From 522380097ea768e7474c0de8195cc0ced03904e8 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Wed, 30 Jul 2014 12:52:48 +0900
Subject: Support Cortex-M0.
---
board/board-stm32f0-discovery.h | 47 ++++++++++++++
entry.c | 123 ++++++++++++++++++++++++++++++++++++-
example-led/sys.c | 131 +++++++++++++++++++++++++++++++++++++++-
3 files changed, 298 insertions(+), 3 deletions(-)
create mode 100644 board/board-stm32f0-discovery.h
diff --git a/board/board-stm32f0-discovery.h b/board/board-stm32f0-discovery.h
new file mode 100644
index 0000000..15b8b51
--- /dev/null
+++ b/board/board-stm32f0-discovery.h
@@ -0,0 +1,47 @@
+/*
+ * Running at 48MHz with HSI as clock source.
+ *
+ */
+#define MCU_STM32F0 1
+/* __ARM_ARCH_6M__ */
+
+
+#define FLASH_PAGE_SIZE 1024
+
+#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
+#define STM32_PLLMUL_VALUE 12
+#define STM32_HSICLK 8000000
+
+#define GPIO_LED_SET_TO_EMIT 8
+
+/*
+ * Port C setup.
+ * PC9 - LED3 (LED 1:ON 0:OFF)
+ * PC8 - LED4 (LED 1:ON 0:OFF)
+ */
+#define VAL_GPIO_MODER 0x00050000 /* Output Pin9 and Pin8 */
+#define VAL_GPIO_OTYPER 0x00000000 /* Push-Pull */
+#define VAL_GPIO_OSPEEDR 0x000f0000 /* High speed: Pin9 and Pin8 */
+#define VAL_GPIO_PUPDR 0x00000000 /* No pull-up/pull-down */
+
+#define GPIO_LED_BASE GPIOC_BASE
+
+#if 0
+#define RCC_ENR_IOP_EN (RCC_AHBENR_IOPAEN | RCC_AHBENR_IOPCEN)
+#define RCC_RSTR_IOP_RST (RCC_AHBRSTR_IOPARST | RCC_AHBRSTR_IOPCRST)
+#else
+#define RCC_ENR_IOP_EN RCC_AHBENR_IOPCEN
+#define RCC_RSTR_IOP_RST RCC_AHBRSTR_IOPCRST
+#endif
+
+/* ??? NeuG settings for ADC2 is default (PA0: Analog IN0, PA1: Analog IN1). */
+
+#define GPIO_OTHER_BASE GPIOA_BASE /* USER BUTTON */
+/*
+ * Port A setup.
+ * PA0 - USER Button
+ */
+#define VAL_GPIO_OTHER_MODER 0x00000000 /* Input Pin0 */
+#define VAL_GPIO_OTHER_OTYPER 0x00000000 /* Push-Pull */
+#define VAL_GPIO_OTHER_OSPEEDR 0x00000000
+#define VAL_GPIO_OTHER_PUPDR 0x00000000 /* No pull-up/pull-down */
diff --git a/entry.c b/entry.c
index 7abde4e..1a8e944 100644
--- a/entry.c
+++ b/entry.c
@@ -60,10 +60,17 @@
#define STM32_MCO_NOCLOCK (0 << 24)
+#if MCU_STM32F0
+#define STM32_PPRE1 STM32_PPRE1_DIV1
+#define STM32_PLLSRC STM32_PLLSRC_HSI
+#define STM32_FLASHBITS 0x00000011
+#define STM32_PLLCLKIN (STM32_HSICLK / 2)
+#else
#define STM32_PPRE1 STM32_PPRE1_DIV2
#define STM32_PLLSRC STM32_PLLSRC_HSE
#define STM32_FLASHBITS 0x00000012
#define STM32_PLLCLKIN (STM32_HSECLK / 1)
+#endif
#define STM32_SW STM32_SW_PLL
#define STM32_HPRE STM32_HPRE_DIV1
@@ -95,6 +102,12 @@ struct RCC {
volatile uint32_t APB1ENR;
volatile uint32_t BDCR;
volatile uint32_t CSR;
+#if MCU_STM32F0
+ volatile uint32_t AHBRSTR;
+ volatile uint32_t CFGR2;
+ volatile uint32_t CFGR3;
+ volatile uint32_t CR2;
+#endif
};
#define RCC_BASE (AHBPERIPH_BASE + 0x1000)
@@ -116,6 +129,22 @@ static struct RCC *const RCC = ((struct RCC *const)RCC_BASE);
#define RCC_AHBENR_CRCEN 0x0040
+#if MCU_STM32F0
+#define RCC_AHBRSTR_IOPARST 0x00020000
+#define RCC_AHBRSTR_IOPBRST 0x00040000
+#define RCC_AHBRSTR_IOPCRST 0x00080000
+#define RCC_AHBRSTR_IOPDRST 0x00100000
+#define RCC_AHBRSTR_IOPFRST 0x00400000
+
+#define RCC_AHBENR_IOPAEN 0x00020000
+#define RCC_AHBENR_IOPBEN 0x00040000
+#define RCC_AHBENR_IOPCEN 0x00080000
+#define RCC_AHBENR_IOPDEN 0x00100000
+#define RCC_AHBENR_IOPFEN 0x00400000
+
+#define RCC_APB2RSTR_SYSCFGRST 0x00000001
+#define RCC_APB2ENR_SYSCFGEN 0x00000001
+#else
#define RCC_APB2RSTR_AFIORST 0x00000001
#define RCC_APB2RSTR_IOPARST 0x00000004
#define RCC_APB2RSTR_IOPBRST 0x00000008
@@ -127,6 +156,20 @@ static struct RCC *const RCC = ((struct RCC *const)RCC_BASE);
#define RCC_APB2ENR_IOPBEN 0x00000008
#define RCC_APB2ENR_IOPCEN 0x00000010
#define RCC_APB2ENR_IOPDEN 0x00000020
+#endif
+
+#if MCU_STM32F0
+struct SYSCFG {
+ volatile uint32_t CFGR1;
+ uint32_t dummy0;
+ volatile uint32_t EXTICR[4];
+ volatile uint32_t CFGR2;
+};
+#define SYSCFG_CFGR1_MEM_MODE 0x03
+
+#define SYSCFG_BASE (APBPERIPH_BASE + 0x00010000)
+static struct SYSCFG *const SYSCFG = ((struct SYSCFG *const) SYSCFG_BASE);
+#endif
struct FLASH {
volatile uint32_t ACR;
@@ -156,10 +199,12 @@ clock_init (void)
while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI)
;
+#if !MCU_STM32F0
/* HSE setup */
RCC->CR |= RCC_CR_HSEON;
while (!(RCC->CR & RCC_CR_HSERDY))
;
+#endif
/* PLL setup */
RCC->CFGR |= STM32_PLLMUL | STM32_PLLXTPRE | STM32_PLLSRC;
@@ -185,9 +230,48 @@ clock_init (void)
RCC->CFGR |= STM32_SW;
while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
;
+
+#if MCU_STM32F0
+ RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN;
+ RCC->APB2RSTR = RCC_APB2RSTR_SYSCFGRST;
+ RCC->APB2RSTR = 0;
+
+ /* Use vectors on RAM */
+ SYSCFG->CFGR1 = (SYSCFG->CFGR1 & ~SYSCFG_CFGR1_MEM_MODE) | 3;
+#endif
}
+#if MCU_STM32F0
+struct GPIO {
+ volatile uint32_t MODER;
+ volatile uint16_t OTYPER;
+ uint16_t dummy0;
+ volatile uint32_t OSPEEDR;
+ volatile uint32_t PUPDR;
+ volatile uint16_t IDR;
+ uint16_t dummy1;
+ volatile uint16_t ODR;
+ uint16_t dummy2;
+ volatile uint16_t BSRR;
+ uint16_t dummy3;
+ volatile uint32_t LCKR;
+ volatile uint32_t AFR[2];
+ volatile uint16_t BRR;
+ uint16_t dummy4;
+};
+
+#define GPIOA_BASE (AHB2PERIPH_BASE + 0x0000)
+#define GPIOA ((struct GPIO *) GPIOA_BASE)
+#define GPIOB_BASE (AHB2PERIPH_BASE + 0x0400)
+#define GPIOB ((struct GPIO *) GPIOB_BASE)
+#define GPIOC_BASE (AHB2PERIPH_BASE + 0x0800)
+#define GPIOC ((struct GPIO *) GPIOC_BASE)
+#define GPIOD_BASE (AHB2PERIPH_BASE + 0x0C00)
+#define GPIOD ((struct GPIO *) GPIOD_BASE)
+#define GPIOF_BASE (AHB2PERIPH_BASE + 0x1400)
+#define GPIOF ((struct GPIO *) GPIOF_BASE)
+#else
struct AFIO
{
volatile uint32_t EVCR;
@@ -203,7 +287,6 @@ static struct AFIO *const AFIO = (struct AFIO *const)AFIO_BASE;
#define AFIO_MAPR_TIM3_REMAP_PARTIALREMAP 0x00000800
#define AFIO_MAPR_SWJ_CFG_DISABLE 0x04000000
-
struct GPIO {
volatile uint32_t CRL;
volatile uint32_t CRH;
@@ -224,6 +307,7 @@ struct GPIO {
#define GPIOD ((struct GPIO *) GPIOD_BASE)
#define GPIOE_BASE (APB2PERIPH_BASE + 0x1800)
#define GPIOE ((struct GPIO *) GPIOE_BASE)
+#endif
static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
#ifdef GPIO_USB_BASE
@@ -237,10 +321,29 @@ static void __attribute__((used))
gpio_init (void)
{
/* Enable GPIO clock. */
+#if MCU_STM32F0
+ RCC->AHBENR |= RCC_ENR_IOP_EN;
+ RCC->AHBRSTR = RCC_RSTR_IOP_RST;
+ RCC->AHBRSTR = 0;
+#else
RCC->APB2ENR |= RCC_ENR_IOP_EN;
RCC->APB2RSTR = RCC_RSTR_IOP_RST;
RCC->APB2RSTR = 0;
+#endif
+#if MCU_STM32F0
+ GPIO_LED->OSPEEDR = VAL_GPIO_OSPEEDR;
+ GPIO_LED->OTYPER = VAL_GPIO_OTYPER;
+ GPIO_LED->MODER = VAL_GPIO_MODER;
+ GPIO_LED->PUPDR = VAL_GPIO_PUPDR;
+
+#ifdef GPIO_OTHER_BASE
+ GPIO_OTHER->OSPEEDR = VAL_GPIO_OTHER_OSPEEDR;
+ GPIO_OTHER->OTYPER = VAL_GPIO_OTHER_OTYPER;
+ GPIO_OTHER->MODER = VAL_GPIO_OTHER_MODER;
+ GPIO_OTHER->PUPDR = VAL_GPIO_OTHER_PUPDR;
+#endif
+#else
#ifdef AFIO_MAPR_SOMETHING
AFIO->MAPR |= AFIO_MAPR_SOMETHING;
#endif
@@ -260,6 +363,7 @@ gpio_init (void)
GPIO_OTHER->CRH = VAL_GPIO_OTHER_CRH;
GPIO_OTHER->CRL = VAL_GPIO_OTHER_CRL;
#endif
+#endif
}
#endif
@@ -302,6 +406,11 @@ static void none (void)
#define C_S_SUB(arg0, arg1, arg2) arg0 #arg1 arg2
#define COMPOSE_STATEMENT(arg0,arg1,arg2) C_S_SUB (arg0, arg1, arg2)
+#if MCU_STM32F0
+__attribute__ ((used,section(".data.startup.0")))
+uint32_t vectors_in_ram[48];
+#endif
+
/*
* This routine only changes PSP and not MSP.
*/
@@ -316,7 +425,12 @@ void entry (void)
"0:\n\t"
"cmp r1, r2\n\t"
"beq 1f\n\t"
+#if __ARM_ARCH_6M__
+ "str r0, [r1]\n\t"
+ "add r1, #4\n\t"
+#else
"str r0, [r1], #4\n\t"
+#endif
"b 0b\n"
"1:\n\t"
/* Copy data section. */
@@ -326,8 +440,15 @@ void entry (void)
"2:\n\t"
"cmp r1, r2\n\t"
"beq 3f\n\t"
+#if __ARM_ARCH_6M__
+ "ldr r0, [r3]\n\t"
+ "str r0, [r1]\n\t"
+ "add r3, #4\n\t"
+ "add r1, #4\n\t"
+#else
"ldr r0, [r3], #4\n\t"
"str r0, [r1], #4\n\t"
+#endif
"b 2b\n"
"3:\n\t"
/* Switch to PSP. */
diff --git a/example-led/sys.c b/example-led/sys.c
index 264df5e..c86a08e 100644
--- a/example-led/sys.c
+++ b/example-led/sys.c
@@ -1,5 +1,5 @@
/*
- * sys.c - system routines for the initial page for STM32F103.
+ * sys.c - system routines for the initial page for STM32F030 / STM32F103.
*
* Copyright (C) 2013, 2014 Flying Stone Technology
* Author: NIIBE Yutaka <gniibe@fsij.org>
@@ -23,7 +23,6 @@
#define USB_LP_CAN1_RX0_IRQn 20
#define STM32_USB_IRQ_PRIORITY 11
-
#define STM32_SW_HSI (0 << 0)
#define STM32_SW_PLL (2 << 0)
#define STM32_PLLSRC_HSI (0 << 16)
@@ -47,10 +46,17 @@
#define STM32_MCO_NOCLOCK (0 << 24)
+#if MCU_STM32F0
+#define STM32_PPRE1 STM32_PPRE1_DIV1
+#define STM32_PLLSRC STM32_PLLSRC_HSI
+#define STM32_FLASHBITS 0x00000011
+#define STM32_PLLCLKIN (STM32_HSICLK / 2)
+#else
#define STM32_PPRE1 STM32_PPRE1_DIV2
#define STM32_PLLSRC STM32_PLLSRC_HSE
#define STM32_FLASHBITS 0x00000012
#define STM32_PLLCLKIN (STM32_HSECLK / 1)
+#endif
#define STM32_SW STM32_SW_PLL
#define STM32_HPRE STM32_HPRE_DIV1
@@ -111,6 +117,12 @@ struct RCC {
volatile uint32_t APB1ENR;
volatile uint32_t BDCR;
volatile uint32_t CSR;
+#if MCU_STM32F0
+ volatile uint32_t AHBRSTR;
+ volatile uint32_t CFGR2;
+ volatile uint32_t CFGR3;
+ volatile uint32_t CR2;
+#endif
};
#define RCC_BASE (AHBPERIPH_BASE + 0x1000)
@@ -132,6 +144,22 @@ static struct RCC *const RCC = ((struct RCC *const)RCC_BASE);
#define RCC_AHBENR_CRCEN 0x0040
+#if MCU_STM32F0
+#define RCC_AHBRSTR_IOPARST 0x00020000
+#define RCC_AHBRSTR_IOPBRST 0x00040000
+#define RCC_AHBRSTR_IOPCRST 0x00080000
+#define RCC_AHBRSTR_IOPDRST 0x00100000
+#define RCC_AHBRSTR_IOPFRST 0x00400000
+
+#define RCC_AHBENR_IOPAEN 0x00020000
+#define RCC_AHBENR_IOPBEN 0x00040000
+#define RCC_AHBENR_IOPCEN 0x00080000
+#define RCC_AHBENR_IOPDEN 0x00100000
+#define RCC_AHBENR_IOPFEN 0x00400000
+
+#define RCC_APB2RSTR_SYSCFGRST 0x00000001
+#define RCC_APB2ENR_SYSCFGEN 0x00000001
+#else
#define RCC_APB2RSTR_AFIORST 0x00000001
#define RCC_APB2RSTR_IOPARST 0x00000004
#define RCC_APB2RSTR_IOPBRST 0x00000008
@@ -143,6 +171,20 @@ static struct RCC *const RCC = ((struct RCC *const)RCC_BASE);
#define RCC_APB2ENR_IOPBEN 0x00000008
#define RCC_APB2ENR_IOPCEN 0x00000010
#define RCC_APB2ENR_IOPDEN 0x00000020
+#endif
+
+#if MCU_STM32F0
+struct SYSCFG {
+ volatile uint32_t CFGR1;
+ uint32_t dummy0;
+ volatile uint32_t EXTICR[4];
+ volatile uint32_t CFGR2;
+};
+#define SYSCFG_CFGR1_MEM_MODE 0x03
+
+#define SYSCFG_BASE (APBPERIPH_BASE + 0x00010000)
+static struct SYSCFG *const SYSCFG = ((struct SYSCFG *const) SYSCFG_BASE);
+#endif
struct FLASH {
volatile uint32_t ACR;
@@ -172,10 +214,12 @@ clock_init (void)
while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI)
;
+#if !MCU_STM32F0
/* HSE setup */
RCC->CR |= RCC_CR_HSEON;
while (!(RCC->CR & RCC_CR_HSERDY))
;
+#endif
/* PLL setup */
RCC->CFGR |= STM32_PLLMUL | STM32_PLLXTPRE | STM32_PLLSRC;
@@ -201,9 +245,48 @@ clock_init (void)
RCC->CFGR |= STM32_SW;
while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
;
+
+#if MCU_STM32F0
+ RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN;
+ RCC->APB2RSTR = RCC_APB2RSTR_SYSCFGRST;
+ RCC->APB2RSTR = 0;
+
+ /* Use vectors on RAM */
+ SYSCFG->CFGR1 = (SYSCFG->CFGR1 & ~SYSCFG_CFGR1_MEM_MODE) | 3;
+#endif
}
+#if MCU_STM32F0
+struct GPIO {
+ volatile uint32_t MODER;
+ volatile uint16_t OTYPER;
+ uint16_t dummy0;
+ volatile uint32_t OSPEEDR;
+ volatile uint32_t PUPDR;
+ volatile uint16_t IDR;
+ uint16_t dummy1;
+ volatile uint16_t ODR;
+ uint16_t dummy2;
+ volatile uint16_t BSRR;
+ uint16_t dummy3;
+ volatile uint32_t LCKR;
+ volatile uint32_t AFR[2];
+ volatile uint16_t BRR;
+ uint16_t dummy4;
+};
+
+#define GPIOA_BASE (AHB2PERIPH_BASE + 0x0000)
+#define GPIOA ((struct GPIO *) GPIOA_BASE)
+#define GPIOB_BASE (AHB2PERIPH_BASE + 0x0400)
+#define GPIOB ((struct GPIO *) GPIOB_BASE)
+#define GPIOC_BASE (AHB2PERIPH_BASE + 0x0800)
+#define GPIOC ((struct GPIO *) GPIOC_BASE)
+#define GPIOD_BASE (AHB2PERIPH_BASE + 0x0C00)
+#define GPIOD ((struct GPIO *) GPIOD_BASE)
+#define GPIOF_BASE (AHB2PERIPH_BASE + 0x1400)
+#define GPIOF ((struct GPIO *) GPIOF_BASE)
+#else
struct AFIO
{
volatile uint32_t EVCR;
@@ -240,6 +323,7 @@ struct GPIO {
#define GPIOD ((struct GPIO *) GPIOD_BASE)
#define GPIOE_BASE (APB2PERIPH_BASE + 0x1800)
#define GPIOE ((struct GPIO *) GPIOE_BASE)
+#endif
static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
#ifdef GPIO_USB_BASE
@@ -253,10 +337,29 @@ static void
gpio_init (void)
{
/* Enable GPIO clock. */
+#if MCU_STM32F0
+ RCC->AHBENR |= RCC_ENR_IOP_EN;
+ RCC->AHBRSTR = RCC_RSTR_IOP_RST;
+ RCC->AHBRSTR = 0;
+#else
RCC->APB2ENR |= RCC_ENR_IOP_EN;
RCC->APB2RSTR = RCC_RSTR_IOP_RST;
RCC->APB2RSTR = 0;
+#endif
+
+#if MCU_STM32F0
+ GPIO_LED->OSPEEDR = VAL_GPIO_OSPEEDR;
+ GPIO_LED->OTYPER = VAL_GPIO_OTYPER;
+ GPIO_LED->MODER = VAL_GPIO_MODER;
+ GPIO_LED->PUPDR = VAL_GPIO_PUPDR;
+#ifdef GPIO_OTHER_BASE
+ GPIO_OTHER->OSPEEDR = VAL_GPIO_OTHER_OSPEEDR;
+ GPIO_OTHER->OTYPER = VAL_GPIO_OTHER_OTYPER;
+ GPIO_OTHER->MODER = VAL_GPIO_OTHER_MODER;
+ GPIO_OTHER->PUPDR = VAL_GPIO_OTHER_PUPDR;
+#endif
+#else
#ifdef AFIO_MAPR_SOMETHING
AFIO->MAPR |= AFIO_MAPR_SOMETHING;
#endif
@@ -276,6 +379,7 @@ gpio_init (void)
GPIO_OTHER->CRH = VAL_GPIO_OTHER_CRH;
GPIO_OTHER->CRL = VAL_GPIO_OTHER_CRL;
#endif
+#endif
}
static void
@@ -594,6 +698,28 @@ reset (void)
* This code may not be at the start of flash ROM, because of DFU.
* So, we take the address from PC.
*/
+#if __ARM_ARCH_6M__
+ asm volatile ("cpsid i\n\t" /* Mask all interrupts. */
+ "ldr r0, 1f\n\t" /* r0 = RAM start */
+ "mov r1, pc\n\t" /* r1 = (PC + 0x0400) & ~0x03ff */
+ "mov r2, #0x04\n\t"
+ "lsl r2, #8\n\t"
+ "add r1, r1, r2\n\t"
+ "sub r2, r2, #1\n\t"
+ "bic r1, r1, r2\n\t"
+ "mov r2, #188\n"
+ "2:\n\t" /* Copy vectors. It will be enabled later by clock_init. */
+ "ldr r3, [r1, r2]\n\t"
+ "str r3, [r0, r2]\n\t"
+ "sub r2, #4\n\t"
+ "bcs 2b\n\t"
+ "msr MSP, r3\n\t" /* Main (exception handler) stack. */
+ "ldr r0, [r1, #4]\n\t" /* Reset handler. */
+ "bx r0\n\t"
+ ".align 2\n"
+ "1: .word 0x20000000"
+ : /* no output */ : /* no input */ : "memory");
+#else
asm volatile ("cpsid i\n\t" /* Mask all interrupts. */
"ldr r0, 1f\n\t" /* r0 = SCR */
"mov r1, pc\n\t" /* r1 = (PC + 0x1000) & ~0x0fff */
@@ -609,6 +735,7 @@ reset (void)
".align 2\n"
"1: .word 0xe000ed00"
: /* no output */ : /* no input */ : "memory");
+#endif
/* Never reach here. */
/* Artificial entry to refer FT0, FT1, and FT2. */
--
cgit v1.2.3
From 5137db82902ded4cabb4667ade17d1732f73c736 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Wed, 30 Jul 2014 16:09:39 +0900
Subject: Cortex-M0 works.
---
chopstx.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++---
entry.c | 16 +++++++++++
example-led/Makefile | 5 ++--
example-led/sample.ld | 13 +++++++++
4 files changed, 106 insertions(+), 6 deletions(-)
diff --git a/chopstx.c b/chopstx.c
index 29bea71..3f27832 100644
--- a/chopstx.c
+++ b/chopstx.c
@@ -61,6 +61,7 @@
#define CPU_EXCEPTION_PRIORITY_CLEAR 0
+#if 0
#define CPU_EXCEPTION_PRIORITY_SVC 0x30
#define CPU_EXCEPTION_PRIORITY_INHIBIT_SCHED 0x40
@@ -68,6 +69,15 @@
#define CPU_EXCEPTION_PRIORITY_SYSTICK CPU_EXCEPTION_PRIORITY_INTERRUPT
#define CPU_EXCEPTION_PRIORITY_INTERRUPT 0xb0
#define CPU_EXCEPTION_PRIORITY_PENDSV 0xc0
+#else
+#define CPU_EXCEPTION_PRIORITY_SVC 0x00
+
+#define CPU_EXCEPTION_PRIORITY_INHIBIT_SCHED 0x40
+/* ... */
+#define CPU_EXCEPTION_PRIORITY_SYSTICK CPU_EXCEPTION_PRIORITY_INTERRUPT
+#define CPU_EXCEPTION_PRIORITY_INTERRUPT 0x80
+#define CPU_EXCEPTION_PRIORITY_PENDSV 0xc0
+#endif
/**
* chx_fatal - Fatal error point.
@@ -184,7 +194,9 @@ static volatile uint32_t *const SYST_CSR = (uint32_t *const)0xE000E010;
static volatile uint32_t *const SYST_RVR = (uint32_t *const)0xE000E014;
static volatile uint32_t *const SYST_CVR = (uint32_t *const)0xE000E018;
+#ifndef MHZ
#define MHZ 72
+#endif
static uint32_t usec_to_ticks (uint32_t usec)
{
@@ -214,8 +226,12 @@ chx_cpu_sched_lock (void)
{
if (running->prio < CHOPSTX_PRIO_INHIBIT_PREEMPTION)
{
+#if __ARM_ARCH_6M__
+ asm volatile ("cpsid i" : : : "memory");
+#else
register uint32_t tmp = CPU_EXCEPTION_PRIORITY_INHIBIT_SCHED;
asm volatile ("msr BASEPRI, %0" : : "r" (tmp) : "memory");
+#endif
}
}
@@ -224,8 +240,12 @@ chx_cpu_sched_unlock (void)
{
if (running->prio < CHOPSTX_PRIO_INHIBIT_PREEMPTION)
{
+#if __ARM_ARCH_6M__
+ asm volatile ("cpsie i" : : : "memory");
+#else
register uint32_t tmp = CPU_EXCEPTION_PRIORITY_CLEAR;
asm volatile ("msr BASEPRI, %0" : : "r" (tmp) : "memory");
+#endif
}
}
@@ -383,22 +403,42 @@ sched (void)
"ldr r1, =running\n\t"
/* Update running. */
"str r0, [r1]\n\t"
+#if __ARM_ARCH_6M__
+ "cmp r0, #0\n\t"
+ "beq 1f\n\t"
+#else
"cbz r0, 1f\n\t"
+#endif
/**/
"add r0, #8\n\t"
"ldm r0!, {r4, r5, r6, r7}\n\t"
+#if __ARM_ARCH_6M__
+ "ldm r0!, {r1, r2, r3}\n\t"
+ "mov r8, r1\n\t"
+ "mov r9, r2\n\t"
+ "mov r10, r3\n\t"
+ "ldm r0!, {r1, r2}\n\t"
+ "mov r11, r1\n\t"
+ "msr PSP, r2\n\t"
+#else
"ldr r8, [r0], #4\n\t"
"ldr r9, [r0], #4\n\t"
"ldr r10, [r0], #4\n\t"
"ldr r11, [r0], #4\n\t"
"ldr r1, [r0], #4\n\t"
"msr PSP, r1\n\t"
+#endif
"ldrb r1, [r0, #3]\n\t" /* ->PRIO field. */
"cmp r1, #247\n\t"
"bhi 0f\n\t" /* Leave interrupt disabled if >= 248 */
/**/
+ /* Unmask interrupts. */
"mov r0, #0\n\t"
- "msr BASEPRI, r0\n" /* Unmask interrupts. */
+#if __ARM_ARCH_6M__
+ "cpsie i\n"
+#else
+ "msr BASEPRI, r0\n"
+#endif
/**/
"0:\n\t"
"sub r0, #3\n\t" /* EXC_RETURN to a thread with PSP */
@@ -410,7 +450,12 @@ sched (void)
"mov r0, #0\n\t"
"mov r1, #0\n\t"
"ldr r2, =idle\n\t" /* PC = idle */
+#if __ARM_ARCH_6M__
+ "mov r3, #0x010\n\t"
+ "lsl r3, r3, #20\n\t" /* xPSR = T-flag set (Thumb) */
+#else
"mov r3, #0x01000000\n\t" /* xPSR = T-flag set (Thumb) */
+#endif
"push {r0, r1, r2, r3}\n\t"
"mov r0, #0\n\t"
"mov r1, #0\n\t"
@@ -418,8 +463,13 @@ sched (void)
"mov r3, #0\n\t"
"push {r0, r1, r2, r3}\n"
/**/
+ /* Unmask interrupts. */
"mov r0, #0\n\t"
- "msr BASEPRI, r0\n\t" /* Unmask interrupts. */
+#if __ARM_ARCH_6M__
+ "cpsie i\n\t"
+#else
+ "msr BASEPRI, r0\n\t"
+#endif
/**/
"sub r0, #7\n\t" /* EXC_RETURN to a thread with MSP */
"bx r0\n"
@@ -430,18 +480,33 @@ void __attribute__ ((naked))
preempt (void)
{
register struct chx_thread *tp asm ("r0");
-
tp = (struct chx_thread *)CPU_EXCEPTION_PRIORITY_INHIBIT_SCHED;
- asm ("msr BASEPRI, r0\n\t"
+
+ asm (
+#if __ARM_ARCH_6M__
+ "cpsid i\n\t"
+#else
+ "msr BASEPRI, r0\n\t"
+#endif
"ldr r1, =running\n\t"
"ldr r0, [r1]\n\t"
+#if __ARM_ARCH_6M__
+ "cmp r0, #0\n\t"
+ "bne 0f\n\t"
+#else
"cbnz r0, 0f\n\t"
+#endif
/* It's idle which was preempted. Discard saved registers on stack. */
"ldr r1, =__main_stack_end__\n\t"
"msr MSP, r1\n\t"
"b sched\n"
"0:\n\t"
+#if __ARM_ARCH_6M__
+ "add r1, r0, #4\n\t"
+ "add r1, #4\n\t"
+#else
"add r1, r0, #8\n\t"
+#endif
/* Save registers onto CHX_THREAD struct. */
"stm r1!, {r4, r5, r6, r7}\n\t"
"mov r2, r8\n\t"
@@ -494,7 +559,12 @@ svc (void)
asm ("ldr r1, =running\n\t"
"ldr r0, [r1]\n\t"
+#if __ARM_ARCH_6M__
+ "add r1, r0, #4\n\t"
+ "add r1, #4\n\t"
+#else
"add r1, r0, #8\n\t"
+#endif
/* Save registers onto CHX_THREAD struct. */
"stm r1!, {r4, r5, r6, r7}\n\t"
"mov r2, r8\n\t"
diff --git a/entry.c b/entry.c
index 1a8e944..0036a3a 100644
--- a/entry.c
+++ b/entry.c
@@ -379,9 +379,22 @@ static void nmi (void)
for (;;);
}
+extern void svc (void);
+
static void hard_fault (void)
{
+#if 1
+ register uint32_t primask;
+
+ asm ("mrs %0, PRIMASK" : "=r" (primask));
+
+ if (primask)
+ asm volatile ("b svc");
+ else
+ for (;;);
+#else
for (;;);
+#endif
}
static void mem_manage (void)
@@ -462,8 +475,11 @@ void entry (void)
"bl chx_systick_init\n\t"
"bl gpio_init\n\t"
/* Enable interrupts. */
+#if __ARM_ARCH_6M__
+#else
"mov r0, #0\n\t"
"msr BASEPRI, r0\n\t"
+#endif
"cpsie i\n\t"
/* Call main. */
"mov r1, r0\n\t"
diff --git a/example-led/Makefile b/example-led/Makefile
index 43c131a..14ff7ff 100644
--- a/example-led/Makefile
+++ b/example-led/Makefile
@@ -12,9 +12,10 @@ CC = $(CROSS)gcc
LD = $(CROSS)gcc
OBJCOPY = $(CROSS)objcopy
-MCU = cortex-m3
+# MCU = cortex-m3
+MCU = cortex-m0 # -save-temps
CWARN = -Wall -Wextra -Wstrict-prototypes
-DEFS = -DHAVE_SYS_H -DFREE_STANDING
+DEFS = -DHAVE_SYS_H -DFREE_STANDING -DMHZ=48
# DEFS = -DFREE_STANDING -DHAVE_SYS_H -DBUSY_LOOP -DCHX_FLAGS_MAIN=CHOPSTX_SCHED_RR
OPT = -O3 -Os -g
LIBS =
diff --git a/example-led/sample.ld b/example-led/sample.ld
index f98d789..07761e0 100644
--- a/example-led/sample.ld
+++ b/example-led/sample.ld
@@ -9,8 +9,12 @@ __process3_stack_size__ = 0x0100; /* third thread program */
MEMORY
{
+/*
flash0 : org = 0x08000000, len = 4k
flash : org = 0x08000000+0x1000, len = 60k
+*/
+ flash0 : org = 0x08000000, len = 1k
+ flash : org = 0x08000000+0x0400, len = 60k
ram : org = 0x20000000, len = 20k
}
@@ -36,9 +40,11 @@ SECTIONS
build/sys.o(.rodata)
build/sys.o(.rodata.*)
. = ALIGN(1024);
+/*
*(.sys.0)
*(.sys.1)
*(.sys.2)
+*/
} > flash0
_text = .;
@@ -78,6 +84,13 @@ SECTIONS
_etext = .;
_textdata = _etext;
+ .vectors_in_ram :
+ {
+ . = ALIGN(8);
+ __vector_ram_addr__ = .;
+ KEEP(*(.data.startup.*))
+ } > ram
+
.process_stack :
{
. = ALIGN(8);
--
cgit v1.2.3
From f865e5149c7c8c82f1b6a62511f5310845803986 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Thu, 31 Jul 2014 14:56:16 +0900
Subject: Add FSM-55.
---
board/board-fsm-55.h | 42 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
create mode 100644 board/board-fsm-55.h
diff --git a/board/board-fsm-55.h b/board/board-fsm-55.h
new file mode 100644
index 0000000..9cb405e
--- /dev/null
+++ b/board/board-fsm-55.h
@@ -0,0 +1,42 @@
+/*
+ * Running at 48MHz with HSI as clock source.
+ *
+ */
+#define MCU_STM32F0 1
+/* __ARM_ARCH_6M__ */
+
+
+#define FLASH_PAGE_SIZE 1024
+
+#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
+#define STM32_PLLMUL_VALUE 12
+#define STM32_HSICLK 8000000
+
+#define GPIO_LED_SET_TO_EMIT 5
+
+/*
+ * Port A setup.
+ * PA5 - ON (LED 1:ON 0:OFF)
+ * PA4 - Pull DOWN
+ */
+#define VAL_GPIO_MODER 0x00145555 /* Output Pin0-7, Pin9 and Pin10 */
+#define VAL_GPIO_OTYPER 0x0000001f /* Open-drain for Pin0-4, Push-Pull*/
+#define VAL_GPIO_OSPEEDR 0x003cffff /* High speed */
+#define VAL_GPIO_PUPDR 0x00000000 /* No pull-up/pull-down */
+
+#define GPIO_LED_BASE GPIOA_BASE
+
+#define RCC_ENR_IOP_EN (RCC_AHBENR_IOPAEN | RCC_AHBENR_IOPFEN)
+#define RCC_RSTR_IOP_RST (RCC_AHBRSTR_IOPARST | RCC_AHBRSTR_IOPFRST)
+
+/* ??? NeuG settings for ADC2 is default (PA0: Analog IN0, PA1: Analog IN1). */
+
+#define GPIO_OTHER_BASE GPIOF_BASE /* USER BUTTON */
+/*
+ * Port F setup.
+ * PF0 - USER Button
+ */
+#define VAL_GPIO_OTHER_MODER 0x00000000 /* Input Pin0 */
+#define VAL_GPIO_OTHER_OTYPER 0x00000000
+#define VAL_GPIO_OTHER_OSPEEDR 0x00000000
+#define VAL_GPIO_OTHER_PUPDR 0x00000001 /* Pull-up Pin0 */
--
cgit v1.2.3
From b05e4030d20d3b595fe9953a669ddf6991fd3874 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Thu, 31 Jul 2014 14:57:05 +0900
Subject: Add example-fsm-55.
---
example-fsm-55/Makefile | 31 ++
example-fsm-55/hacker-emblem.c | 165 +++++++++
example-fsm-55/hacker-emblem.ld | 155 ++++++++
example-fsm-55/sys.c | 770 ++++++++++++++++++++++++++++++++++++++++
example-fsm-55/sys.h | 115 ++++++
5 files changed, 1236 insertions(+)
create mode 100644 example-fsm-55/Makefile
create mode 100644 example-fsm-55/hacker-emblem.c
create mode 100644 example-fsm-55/hacker-emblem.ld
create mode 100644 example-fsm-55/sys.c
create mode 100644 example-fsm-55/sys.h
diff --git a/example-fsm-55/Makefile b/example-fsm-55/Makefile
new file mode 100644
index 0000000..168d50e
--- /dev/null
+++ b/example-fsm-55/Makefile
@@ -0,0 +1,31 @@
+# Makefile for Hacker Emblem application of Chopstx
+
+PROJECT = hacker-emblem
+
+CHOPSTX = ..
+LDSCRIPT= hacker-emblem.ld
+CSRC = sys.c hacker-emblem.c
+
+###################################
+CROSS = arm-none-eabi-
+CC = $(CROSS)gcc
+LD = $(CROSS)gcc
+OBJCOPY = $(CROSS)objcopy
+
+MCU = cortex-m0 # -save-temps
+CWARN = -Wall -Wextra -Wstrict-prototypes
+DEFS = -DHAVE_SYS_H -DFREE_STANDING -DMHZ=48
+OPT = -O3 -Os -g
+LIBS =
+
+####################
+include ../rules.mk
+
+board.h:
+ @echo Please make a symbolic link \'board.h\' to a file in ../board;
+ @exit 1
+
+sys.c: board.h
+
+distclean: clean
+ rm -f board.h
diff --git a/example-fsm-55/hacker-emblem.c b/example-fsm-55/hacker-emblem.c
new file mode 100644
index 0000000..b66fe26
--- /dev/null
+++ b/example-fsm-55/hacker-emblem.c
@@ -0,0 +1,165 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <chopstx.h>
+
+#include "board.h"
+
+#define PERIPH_BASE 0x40000000
+#define APBPERIPH_BASE PERIPH_BASE
+#define APB2PERIPH_BASE (PERIPH_BASE + 0x10000)
+#define AHBPERIPH_BASE (PERIPH_BASE + 0x20000)
+#define AHB2PERIPH_BASE (PERIPH_BASE + 0x08000000)
+
+struct GPIO {
+ volatile uint32_t MODER;
+ volatile uint16_t OTYPER;
+ uint16_t dummy0;
+ volatile uint32_t OSPEEDR;
+ volatile uint32_t PUPDR;
+ volatile uint16_t IDR;
+ uint16_t dummy1;
+ volatile uint16_t ODR;
+ uint16_t dummy2;
+ volatile uint16_t BSRR;
+ uint16_t dummy3;
+ volatile uint32_t LCKR;
+ volatile uint32_t AFR[2];
+ volatile uint16_t BRR;
+ uint16_t dummy4;
+};
+#define GPIOA_BASE (AHB2PERIPH_BASE + 0x0000)
+#define GPIOA ((struct GPIO *) GPIOA_BASE)
+#define GPIOF_BASE (AHB2PERIPH_BASE + 0x1400)
+#define GPIOF ((struct GPIO *) GPIOF_BASE)
+
+static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
+
+static chopstx_mutex_t mtx;
+static chopstx_cond_t cnd0;
+static chopstx_cond_t cnd1;
+
+static uint8_t u;
+
+static uint8_t l_data[5];
+
+static void
+set_led_display (uint32_t data)
+{
+ if (data)
+ {
+ l_data[0] = l_data[1] = l_data[2] = l_data[3] = l_data[4] = 0x1f;
+ }
+ else
+ {
+ l_data[0] = l_data[1] = l_data[2] = l_data[3] = l_data[4] = 0x00;
+ }
+}
+
+
+static void
+wait_for (uint32_t usec)
+{
+ chopstx_usec_wait (usec);
+}
+
+static void
+led_prepare_column (uint8_t data)
+{
+ GPIO_LED->ODR = data;
+}
+
+static void
+led_enable_row (uint8_t row)
+{
+ static const uint8_t row_to_pin[5] = { 5, 6, 7, 9, 10 };
+
+ GPIO_LED->BSRR = (1 << row_to_pin[row]);
+}
+
+static void *
+led (void *arg)
+{
+ (void)arg;
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_wait (&cnd0, &mtx);
+ chopstx_mutex_unlock (&mtx);
+
+ while (1)
+ {
+ int i;
+
+ for (i = 0; i < 5; i++)
+ {
+ led_prepare_column (l_data [i]);
+ led_enable_row (i);
+ wait_for (1000);
+ }
+ }
+
+ return NULL;
+}
+
+static void *
+blk (void *arg)
+{
+ (void)arg;
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_wait (&cnd1, &mtx);
+ chopstx_mutex_unlock (&mtx);
+
+ while (1)
+ {
+ set_led_display (0);
+ wait_for (200*1000);
+ set_led_display (u);
+ wait_for (200*1000);
+ }
+
+ return NULL;
+}
+
+#define PRIO_LED 3
+#define PRIO_BLK 2
+
+extern uint8_t __process1_stack_base__, __process1_stack_size__;
+extern uint8_t __process2_stack_base__, __process2_stack_size__;
+extern uint8_t __process3_stack_base__, __process3_stack_size__;
+
+const uint32_t __stackaddr_led = (uint32_t)&__process1_stack_base__;
+const size_t __stacksize_led = (size_t)&__process1_stack_size__;
+
+const uint32_t __stackaddr_blk = (uint32_t)&__process2_stack_base__;
+const size_t __stacksize_blk = (size_t)&__process2_stack_size__;
+
+
+
+int
+main (int argc, const char *argv[])
+{
+ (void)argc;
+ (void)argv;
+
+ chopstx_mutex_init (&mtx);
+ chopstx_cond_init (&cnd0);
+ chopstx_cond_init (&cnd1);
+
+ chopstx_create (PRIO_LED, __stackaddr_led, __stacksize_led, led, NULL);
+ chopstx_create (PRIO_BLK, __stackaddr_blk, __stacksize_blk, blk, NULL);
+
+ chopstx_usec_wait (200*1000);
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_signal (&cnd0);
+ chopstx_cond_signal (&cnd1);
+ chopstx_mutex_unlock (&mtx);
+
+ while (1)
+ {
+ u ^= 1;
+ wait_for (200*1000*6);
+ }
+
+ return 0;
+}
diff --git a/example-fsm-55/hacker-emblem.ld b/example-fsm-55/hacker-emblem.ld
new file mode 100644
index 0000000..07761e0
--- /dev/null
+++ b/example-fsm-55/hacker-emblem.ld
@@ -0,0 +1,155 @@
+/*
+ * ST32F103 memory setup.
+ */
+__main_stack_size__ = 0x0100; /* Exception handlers */
+__process0_stack_size__ = 0x0100; /* Main program */
+__process1_stack_size__ = 0x0100; /* first thread program */
+__process2_stack_size__ = 0x0100; /* second thread program */
+__process3_stack_size__ = 0x0100; /* third thread program */
+
+MEMORY
+{
+/*
+ flash0 : org = 0x08000000, len = 4k
+ flash : org = 0x08000000+0x1000, len = 60k
+*/
+ flash0 : org = 0x08000000, len = 1k
+ flash : org = 0x08000000+0x0400, len = 60k
+ ram : org = 0x20000000, len = 20k
+}
+
+__flash_start__ = 0x08001000;
+__flash_end__ = 0x08020000;
+
+__ram_start__ = ORIGIN(ram);
+__ram_size__ = 20k;
+__ram_end__ = __ram_start__ + __ram_size__;
+
+SECTIONS
+{
+ . = 0;
+
+ .sys : ALIGN(16) SUBALIGN(16)
+ {
+ _sys = .;
+ KEEP(*(.vectors))
+ . = ALIGN(16);
+ *(.sys.version)
+ build/sys.o(.text)
+ build/sys.o(.text.*)
+ build/sys.o(.rodata)
+ build/sys.o(.rodata.*)
+ . = ALIGN(1024);
+/*
+ *(.sys.0)
+ *(.sys.1)
+ *(.sys.2)
+*/
+ } > flash0
+
+ _text = .;
+
+ .startup : ALIGN(128) SUBALIGN(128)
+ {
+ KEEP(*(.startup.vectors))
+ . = ALIGN (16);
+ } > flash =0xffffffff
+
+ .text : ALIGN(16) SUBALIGN(16)
+ {
+ *(.text.startup.*)
+ *(.text)
+ *(.text.*)
+ *(.rodata)
+ *(.rodata.*)
+ *(.glue_7t)
+ *(.glue_7)
+ *(.gcc*)
+ } > flash
+
+ .ARM.extab : {*(.ARM.extab* .gnu.linkonce.armextab.*)} > flash
+
+ .ARM.exidx : {
+ PROVIDE(__exidx_start = .);
+ *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+ PROVIDE(__exidx_end = .);
+ } > flash
+
+ .eh_frame_hdr : {*(.eh_frame_hdr)} > flash
+
+ .eh_frame : ONLY_IF_RO {*(.eh_frame)} > flash
+
+ .textalign : ONLY_IF_RO { . = ALIGN(8); } > flash
+
+ _etext = .;
+ _textdata = _etext;
+
+ .vectors_in_ram :
+ {
+ . = ALIGN(8);
+ __vector_ram_addr__ = .;
+ KEEP(*(.data.startup.*))
+ } > ram
+
+ .process_stack :
+ {
+ . = ALIGN(8);
+ __process3_stack_base__ = .;
+ . += __process3_stack_size__;
+ . = ALIGN(8);
+ __process_stack3_end__ = .;
+ __process2_stack_base__ = .;
+ . += __process2_stack_size__;
+ . = ALIGN(8);
+ __process_stack2_end__ = .;
+ __process1_stack_base__ = .;
+ . += __process1_stack_size__;
+ . = ALIGN(8);
+ __process_stack1_end__ = .;
+ __process0_stack_base__ = .;
+ . += __process0_stack_size__;
+ . = ALIGN(8);
+ __process0_stack_end__ = .;
+ } > ram
+
+ .main_stack :
+ {
+ . = ALIGN(8);
+ __main_stack_base__ = .;
+ . += __main_stack_size__;
+ . = ALIGN(8);
+ __main_stack_end__ = .;
+ } > ram
+
+ .data :
+ {
+ . = ALIGN(4);
+ PROVIDE(_data = .);
+ *(.data)
+ . = ALIGN(4);
+ *(.data.*)
+ . = ALIGN(4);
+ *(.ramtext)
+ . = ALIGN(4);
+ PROVIDE(_edata = .);
+ } > ram AT > flash
+
+ .bss :
+ {
+ . = ALIGN(4);
+ PROVIDE(_bss_start = .);
+ *(.bss)
+ . = ALIGN(4);
+ *(.bss.*)
+ . = ALIGN(4);
+ *(COMMON)
+ . = ALIGN(4);
+ PROVIDE(_bss_end = .);
+ } > ram
+
+ PROVIDE(end = .);
+ _end = .;
+}
+
+__heap_base__ = _end;
+__heap_end__ = __ram_end__;
diff --git a/example-fsm-55/sys.c b/example-fsm-55/sys.c
new file mode 100644
index 0000000..3171376
--- /dev/null
+++ b/example-fsm-55/sys.c
@@ -0,0 +1,770 @@
+/*
+ * sys.c - system routines for the initial page for STM32F030 / STM32F103.
+ *
+ * Copyright (C) 2013, 2014 Flying Stone Technology
+ * Author: NIIBE Yutaka <gniibe@fsij.org>
+ *
+ * Copying and distribution of this file, with or without modification,
+ * are permitted in any medium without royalty provided the copyright
+ * notice and this notice are preserved. This file is offered as-is,
+ * without any warranty.
+ *
+ * When the flash ROM is protected, we cannot modify the initial page.
+ * We put some system routines (which is useful for any program) here.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include "board.h"
+
+
+#define CORTEX_PRIORITY_BITS 4
+#define CORTEX_PRIORITY_MASK(n) ((n) << (8 - CORTEX_PRIORITY_BITS))
+#define USB_LP_CAN1_RX0_IRQn 20
+#define STM32_USB_IRQ_PRIORITY 11
+
+#define STM32_SW_HSI (0 << 0)
+#define STM32_SW_PLL (2 << 0)
+#define STM32_PLLSRC_HSI (0 << 16)
+#define STM32_PLLSRC_HSE (1 << 16)
+
+#define STM32_PLLXTPRE_DIV1 (0 << 17)
+#define STM32_PLLXTPRE_DIV2 (1 << 17)
+
+#define STM32_HPRE_DIV1 (0 << 4)
+
+#define STM32_PPRE1_DIV1 (0 << 8)
+#define STM32_PPRE1_DIV2 (4 << 8)
+
+#define STM32_PPRE2_DIV1 (0 << 11)
+#define STM32_PPRE2_DIV2 (4 << 11)
+
+#define STM32_ADCPRE_DIV4 (1 << 14)
+#define STM32_ADCPRE_DIV6 (2 << 14)
+
+#define STM32_USBPRE_DIV1P5 (0 << 22)
+
+#define STM32_MCO_NOCLOCK (0 << 24)
+
+#if MCU_STM32F0
+#define STM32_PPRE1 STM32_PPRE1_DIV1
+#define STM32_PLLSRC STM32_PLLSRC_HSI
+#define STM32_FLASHBITS 0x00000011
+#define STM32_PLLCLKIN (STM32_HSICLK / 2)
+#else
+#define STM32_PPRE1 STM32_PPRE1_DIV2
+#define STM32_PLLSRC STM32_PLLSRC_HSE
+#define STM32_FLASHBITS 0x00000012
+#define STM32_PLLCLKIN (STM32_HSECLK / 1)
+#endif
+
+#define STM32_SW STM32_SW_PLL
+#define STM32_HPRE STM32_HPRE_DIV1
+#define STM32_PPRE2 STM32_PPRE2_DIV1
+#define STM32_ADCPRE STM32_ADCPRE_DIV6
+#define STM32_MCOSEL STM32_MCO_NOCLOCK
+#define STM32_USBPRE STM32_USBPRE_DIV1P5
+
+#define STM32_PLLMUL ((STM32_PLLMUL_VALUE - 2) << 18)
+#define STM32_PLLCLKOUT (STM32_PLLCLKIN * STM32_PLLMUL_VALUE)
+#define STM32_SYSCLK STM32_PLLCLKOUT
+#define STM32_HCLK (STM32_SYSCLK / 1)
+
+struct NVIC {
+ uint32_t ISER[8];
+ uint32_t unused1[24];
+ uint32_t ICER[8];
+ uint32_t unused2[24];
+ uint32_t ISPR[8];
+ uint32_t unused3[24];
+ uint32_t ICPR[8];
+ uint32_t unused4[24];
+ uint32_t IABR[8];
+ uint32_t unused5[56];
+ uint32_t IPR[60];
+};
+
+static struct NVIC *const NVICBase = ((struct NVIC *const)0xE000E100);
+#define NVIC_ISER(n) (NVICBase->ISER[n >> 5])
+#define NVIC_ICPR(n) (NVICBase->ICPR[n >> 5])
+#define NVIC_IPR(n) (NVICBase->IPR[n >> 2])
+
+static void
+nvic_enable_vector (uint32_t n, uint32_t prio)
+{
+ unsigned int sh = (n & 3) << 3;
+
+ NVIC_IPR (n) = (NVIC_IPR(n) & ~(0xFF << sh)) | (prio << sh);
+ NVIC_ICPR (n) = 1 << (n & 0x1F);
+ NVIC_ISER (n) = 1 << (n & 0x1F);
+}
+
+
+#define PERIPH_BASE 0x40000000
+#define APBPERIPH_BASE PERIPH_BASE
+#define APB2PERIPH_BASE (PERIPH_BASE + 0x10000)
+#define AHBPERIPH_BASE (PERIPH_BASE + 0x20000)
+#define AHB2PERIPH_BASE (PERIPH_BASE + 0x08000000)
+
+struct RCC {
+ volatile uint32_t CR;
+ volatile uint32_t CFGR;
+ volatile uint32_t CIR;
+ volatile uint32_t APB2RSTR;
+ volatile uint32_t APB1RSTR;
+ volatile uint32_t AHBENR;
+ volatile uint32_t APB2ENR;
+ volatile uint32_t APB1ENR;
+ volatile uint32_t BDCR;
+ volatile uint32_t CSR;
+#if MCU_STM32F0
+ volatile uint32_t AHBRSTR;
+ volatile uint32_t CFGR2;
+ volatile uint32_t CFGR3;
+ volatile uint32_t CR2;
+#endif
+};
+
+#define RCC_BASE (AHBPERIPH_BASE + 0x1000)
+static struct RCC *const RCC = ((struct RCC *const)RCC_BASE);
+
+#define RCC_APB1ENR_USBEN 0x00800000
+#define RCC_APB1RSTR_USBRST 0x00800000
+
+#define RCC_CR_HSION 0x00000001
+#define RCC_CR_HSIRDY 0x00000002
+#define RCC_CR_HSITRIM 0x000000F8
+#define RCC_CR_HSEON 0x00010000
+#define RCC_CR_HSERDY 0x00020000
+#define RCC_CR_PLLON 0x01000000
+#define RCC_CR_PLLRDY 0x02000000
+
+#define RCC_CFGR_SWS 0x0000000C
+#define RCC_CFGR_SWS_HSI 0x00000000
+
+#define RCC_AHBENR_CRCEN 0x0040
+
+#if MCU_STM32F0
+#define RCC_AHBRSTR_IOPARST 0x00020000
+#define RCC_AHBRSTR_IOPBRST 0x00040000
+#define RCC_AHBRSTR_IOPCRST 0x00080000
+#define RCC_AHBRSTR_IOPDRST 0x00100000
+#define RCC_AHBRSTR_IOPFRST 0x00400000
+
+#define RCC_AHBENR_IOPAEN 0x00020000
+#define RCC_AHBENR_IOPBEN 0x00040000
+#define RCC_AHBENR_IOPCEN 0x00080000
+#define RCC_AHBENR_IOPDEN 0x00100000
+#define RCC_AHBENR_IOPFEN 0x00400000
+
+#define RCC_APB2RSTR_SYSCFGRST 0x00000001
+#define RCC_APB2ENR_SYSCFGEN 0x00000001
+#else
+#define RCC_APB2RSTR_AFIORST 0x00000001
+#define RCC_APB2RSTR_IOPARST 0x00000004
+#define RCC_APB2RSTR_IOPBRST 0x00000008
+#define RCC_APB2RSTR_IOPCRST 0x00000010
+#define RCC_APB2RSTR_IOPDRST 0x00000020
+
+#define RCC_APB2ENR_AFIOEN 0x00000001
+#define RCC_APB2ENR_IOPAEN 0x00000004
+#define RCC_APB2ENR_IOPBEN 0x00000008
+#define RCC_APB2ENR_IOPCEN 0x00000010
+#define RCC_APB2ENR_IOPDEN 0x00000020
+#endif
+
+#if MCU_STM32F0
+struct SYSCFG {
+ volatile uint32_t CFGR1;
+ uint32_t dummy0;
+ volatile uint32_t EXTICR[4];
+ volatile uint32_t CFGR2;
+};
+#define SYSCFG_CFGR1_MEM_MODE 0x03
+
+#define SYSCFG_BASE (APBPERIPH_BASE + 0x00010000)
+static struct SYSCFG *const SYSCFG = ((struct SYSCFG *const) SYSCFG_BASE);
+#endif
+
+struct FLASH {
+ volatile uint32_t ACR;
+ volatile uint32_t KEYR;
+ volatile uint32_t OPTKEYR;
+ volatile uint32_t SR;
+ volatile uint32_t CR;
+ volatile uint32_t AR;
+ volatile uint32_t RESERVED;
+ volatile uint32_t OBR;
+ volatile uint32_t WRPR;
+};
+
+#define FLASH_R_BASE (AHBPERIPH_BASE + 0x2000)
+static struct FLASH *const FLASH = ((struct FLASH *const) FLASH_R_BASE);
+
+static void
+clock_init (void)
+{
+ /* HSI setup */
+ RCC->CR |= RCC_CR_HSION;
+ while (!(RCC->CR & RCC_CR_HSIRDY))
+ ;
+ /* Reset HSEON, HSEBYP, CSSON, and PLLON, not touching RCC_CR_HSITRIM */
+ RCC->CR &= (RCC_CR_HSITRIM | RCC_CR_HSION);
+ RCC->CFGR = 0;
+ while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI)
+ ;
+
+#if !MCU_STM32F0
+ /* HSE setup */
+ RCC->CR |= RCC_CR_HSEON;
+ while (!(RCC->CR & RCC_CR_HSERDY))
+ ;
+#endif
+
+ /* PLL setup */
+ RCC->CFGR |= STM32_PLLMUL | STM32_PLLXTPRE | STM32_PLLSRC;
+ RCC->CR |= RCC_CR_PLLON;
+ while (!(RCC->CR & RCC_CR_PLLRDY))
+ ;
+
+ /* Clock settings */
+ RCC->CFGR = STM32_MCOSEL | STM32_USBPRE | STM32_PLLMUL | STM32_PLLXTPRE
+ | STM32_PLLSRC | STM32_ADCPRE | STM32_PPRE2 | STM32_PPRE1 | STM32_HPRE;
+
+ /* Switching on the configured clock source. */
+ RCC->CFGR |= STM32_SW;
+ while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
+ ;
+
+ /*
+ * We don't touch RCC->CR2, RCC->CFGR2, RCC->CFGR3, and RCC->CIR.
+ */
+
+ /* Flash setup */
+ FLASH->ACR = STM32_FLASHBITS;
+
+ /* CRC */
+ RCC->AHBENR |= RCC_AHBENR_CRCEN;
+
+#if MCU_STM32F0
+ RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN;
+ RCC->APB2RSTR = RCC_APB2RSTR_SYSCFGRST;
+ RCC->APB2RSTR = 0;
+
+ /* Use vectors on RAM */
+ SYSCFG->CFGR1 = (SYSCFG->CFGR1 & ~SYSCFG_CFGR1_MEM_MODE) | 3;
+#endif
+}
+
+
+#if MCU_STM32F0
+struct GPIO {
+ volatile uint32_t MODER;
+ volatile uint16_t OTYPER;
+ uint16_t dummy0;
+ volatile uint32_t OSPEEDR;
+ volatile uint32_t PUPDR;
+ volatile uint16_t IDR;
+ uint16_t dummy1;
+ volatile uint16_t ODR;
+ uint16_t dummy2;
+ volatile uint16_t BSRR;
+ uint16_t dummy3;
+ volatile uint32_t LCKR;
+ volatile uint32_t AFR[2];
+ volatile uint16_t BRR;
+ uint16_t dummy4;
+};
+
+#define GPIOA_BASE (AHB2PERIPH_BASE + 0x0000)
+#define GPIOA ((struct GPIO *) GPIOA_BASE)
+#define GPIOB_BASE (AHB2PERIPH_BASE + 0x0400)
+#define GPIOB ((struct GPIO *) GPIOB_BASE)
+#define GPIOC_BASE (AHB2PERIPH_BASE + 0x0800)
+#define GPIOC ((struct GPIO *) GPIOC_BASE)
+#define GPIOD_BASE (AHB2PERIPH_BASE + 0x0C00)
+#define GPIOD ((struct GPIO *) GPIOD_BASE)
+#define GPIOF_BASE (AHB2PERIPH_BASE + 0x1400)
+#define GPIOF ((struct GPIO *) GPIOF_BASE)
+#else
+struct AFIO
+{
+ volatile uint32_t EVCR;
+ volatile uint32_t MAPR;
+ volatile uint32_t EXTICR[4];
+ uint32_t RESERVED0;
+ volatile uint32_t MAPR2;
+};
+
+#define AFIO_BASE 0x40010000
+static struct AFIO *const AFIO = (struct AFIO *const)AFIO_BASE;
+
+#define AFIO_MAPR_TIM3_REMAP_PARTIALREMAP 0x00000800
+#define AFIO_MAPR_SWJ_CFG_DISABLE 0x04000000
+
+struct GPIO {
+ volatile uint32_t CRL;
+ volatile uint32_t CRH;
+ volatile uint32_t IDR;
+ volatile uint32_t ODR;
+ volatile uint32_t BSRR;
+ volatile uint32_t BRR;
+ volatile uint32_t LCKR;
+};
+
+#define GPIOA_BASE (APB2PERIPH_BASE + 0x0800)
+#define GPIOA ((struct GPIO *) GPIOA_BASE)
+#define GPIOB_BASE (APB2PERIPH_BASE + 0x0C00)
+#define GPIOB ((struct GPIO *) GPIOB_BASE)
+#define GPIOC_BASE (APB2PERIPH_BASE + 0x1000)
+#define GPIOC ((struct GPIO *) GPIOC_BASE)
+#define GPIOD_BASE (APB2PERIPH_BASE + 0x1400)
+#define GPIOD ((struct GPIO *) GPIOD_BASE)
+#define GPIOE_BASE (APB2PERIPH_BASE + 0x1800)
+#define GPIOE ((struct GPIO *) GPIOE_BASE)
+#endif
+
+static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
+#ifdef GPIO_USB_BASE
+static struct GPIO *const GPIO_USB = ((struct GPIO *const) GPIO_USB_BASE);
+#endif
+#ifdef GPIO_OTHER_BASE
+static struct GPIO *const GPIO_OTHER = ((struct GPIO *const) GPIO_OTHER_BASE);
+#endif
+
+static void
+gpio_init (void)
+{
+ /* Enable GPIO clock. */
+#if MCU_STM32F0
+ RCC->AHBENR |= RCC_ENR_IOP_EN;
+ RCC->AHBRSTR = RCC_RSTR_IOP_RST;
+ RCC->AHBRSTR = 0;
+#else
+ RCC->APB2ENR |= RCC_ENR_IOP_EN;
+ RCC->APB2RSTR = RCC_RSTR_IOP_RST;
+ RCC->APB2RSTR = 0;
+#endif
+
+#if MCU_STM32F0
+ GPIO_LED->OSPEEDR = VAL_GPIO_OSPEEDR;
+ GPIO_LED->OTYPER = VAL_GPIO_OTYPER;
+ GPIO_LED->MODER = VAL_GPIO_MODER;
+ GPIO_LED->PUPDR = VAL_GPIO_PUPDR;
+
+#ifdef GPIO_OTHER_BASE
+ GPIO_OTHER->OSPEEDR = VAL_GPIO_OTHER_OSPEEDR;
+ GPIO_OTHER->OTYPER = VAL_GPIO_OTHER_OTYPER;
+ GPIO_OTHER->MODER = VAL_GPIO_OTHER_MODER;
+ GPIO_OTHER->PUPDR = VAL_GPIO_OTHER_PUPDR;
+#endif
+#else
+#ifdef AFIO_MAPR_SOMETHING
+ AFIO->MAPR |= AFIO_MAPR_SOMETHING;
+#endif
+
+ GPIO_USB->ODR = VAL_GPIO_ODR;
+ GPIO_USB->CRH = VAL_GPIO_CRH;
+ GPIO_USB->CRL = VAL_GPIO_CRL;
+
+#if GPIO_USB_BASE != GPIO_LED_BASE
+ GPIO_LED->ODR = VAL_GPIO_LED_ODR;
+ GPIO_LED->CRH = VAL_GPIO_LED_CRH;
+ GPIO_LED->CRL = VAL_GPIO_LED_CRL;
+#endif
+
+#ifdef GPIO_OTHER_BASE
+ GPIO_OTHER->ODR = VAL_GPIO_OTHER_ODR;
+ GPIO_OTHER->CRH = VAL_GPIO_OTHER_CRH;
+ GPIO_OTHER->CRL = VAL_GPIO_OTHER_CRL;
+#endif
+#endif
+}
+
+static void
+usb_cable_config (int enable)
+{
+#if defined(GPIO_USB_SET_TO_ENABLE)
+ if (enable)
+ GPIO_USB->BSRR = (1 << GPIO_USB_SET_TO_ENABLE);
+ else
+ GPIO_USB->BRR = (1 << GPIO_USB_SET_TO_ENABLE);
+#elif defined(GPIO_USB_CLEAR_TO_ENABLE)
+ if (enable)
+ GPIO_USB->BRR = (1 << GPIO_USB_CLEAR_TO_ENABLE);
+ else
+ GPIO_USB->BSRR = (1 << GPIO_USB_CLEAR_TO_ENABLE);
+#else
+ (void)enable;
+#endif
+}
+
+void
+set_led (int on)
+{
+#if defined(GPIO_LED_CLEAR_TO_EMIT)
+ if (on)
+ GPIO_LED->BRR = (1 << GPIO_LED_CLEAR_TO_EMIT);
+ else
+ GPIO_LED->BSRR = (1 << GPIO_LED_CLEAR_TO_EMIT);
+#else
+ if (on)
+ GPIO_LED->BSRR = (1 << GPIO_LED_SET_TO_EMIT);
+ else
+ GPIO_LED->BRR = (1 << GPIO_LED_SET_TO_EMIT);
+#endif
+}
+
+static void wait (int count)
+{
+ int i;
+
+ for (i = 0; i < count; i++)
+ asm volatile ("" : : "r" (i) : "memory");
+}
+
+
+static void
+usb_lld_sys_shutdown (void)
+{
+ RCC->APB1ENR &= ~RCC_APB1ENR_USBEN;
+ RCC->APB1RSTR = RCC_APB1RSTR_USBRST;
+ usb_cable_config (0);
+}
+
+static void
+usb_lld_sys_init (void)
+{
+ if ((RCC->APB1ENR & RCC_APB1ENR_USBEN)
+ && (RCC->APB1RSTR & RCC_APB1RSTR_USBRST) == 0)
+ /* Make sure the device is disconnected, even after core reset. */
+ {
+ usb_lld_sys_shutdown ();
+ /* Disconnect requires SE0 (>= 2.5uS). */
+ wait (300);
+ }
+
+ usb_cable_config (1);
+ RCC->APB1ENR |= RCC_APB1ENR_USBEN;
+ nvic_enable_vector (USB_LP_CAN1_RX0_IRQn,
+ CORTEX_PRIORITY_MASK (STM32_USB_IRQ_PRIORITY));
+ /*
+ * Note that we also have other IRQ(s):
+ * USB_HP_CAN1_TX_IRQn (for double-buffered or isochronous)
+ * USBWakeUp_IRQn (suspend/resume)
+ */
+ RCC->APB1RSTR = RCC_APB1RSTR_USBRST;
+ RCC->APB1RSTR = 0;
+}
+
+#define FLASH_KEY1 0x45670123UL
+#define FLASH_KEY2 0xCDEF89ABUL
+
+enum flash_status
+{
+ FLASH_BUSY = 1,
+ FLASH_ERROR_PG,
+ FLASH_ERROR_WRP,
+ FLASH_COMPLETE,
+ FLASH_TIMEOUT
+};
+
+static void __attribute__ ((used))
+flash_unlock (void)
+{
+ FLASH->KEYR = FLASH_KEY1;
+ FLASH->KEYR = FLASH_KEY2;
+}
+
+
+#define intr_disable() asm volatile ("cpsid i" : : : "memory")
+#define intr_enable() asm volatile ("cpsie i" : : : "memory")
+
+#define FLASH_SR_BSY 0x01
+#define FLASH_SR_PGERR 0x04
+#define FLASH_SR_WRPRTERR 0x10
+#define FLASH_SR_EOP 0x20
+
+#define FLASH_CR_PG 0x0001
+#define FLASH_CR_PER 0x0002
+#define FLASH_CR_MER 0x0004
+#define FLASH_CR_OPTPG 0x0010
+#define FLASH_CR_OPTER 0x0020
+#define FLASH_CR_STRT 0x0040
+#define FLASH_CR_LOCK 0x0080
+#define FLASH_CR_OPTWRE 0x0200
+#define FLASH_CR_ERRIE 0x0400
+#define FLASH_CR_EOPIE 0x1000
+
+static int
+flash_wait_for_last_operation (uint32_t timeout)
+{
+ int status;
+
+ do
+ {
+ status = FLASH->SR;
+ if (--timeout == 0)
+ break;
+ }
+ while ((status & FLASH_SR_BSY) != 0);
+
+ return status & (FLASH_SR_BSY|FLASH_SR_PGERR|FLASH_SR_WRPRTERR);
+}
+
+#define FLASH_PROGRAM_TIMEOUT 0x00010000
+#define FLASH_ERASE_TIMEOUT 0x01000000
+
+static int
+flash_program_halfword (uint32_t addr, uint16_t data)
+{
+ int status;
+
+ status = flash_wait_for_last_operation (FLASH_PROGRAM_TIMEOUT);
+
+ intr_disable ();
+ if (status == 0)
+ {
+ FLASH->CR |= FLASH_CR_PG;
+
+ *(volatile uint16_t *)addr = data;
+
+ status = flash_wait_for_last_operation (FLASH_PROGRAM_TIMEOUT);
+ FLASH->CR &= ~FLASH_CR_PG;
+ }
+ intr_enable ();
+
+ return status;
+}
+
+static int
+flash_erase_page (uint32_t addr)
+{
+ int status;
+
+ status = flash_wait_for_last_operation (FLASH_ERASE_TIMEOUT);
+
+ intr_disable ();
+ if (status == 0)
+ {
+ FLASH->CR |= FLASH_CR_PER;
+ FLASH->AR = addr;
+ FLASH->CR |= FLASH_CR_STRT;
+
+ status = flash_wait_for_last_operation (FLASH_ERASE_TIMEOUT);
+ FLASH->CR &= ~FLASH_CR_PER;
+ }
+ intr_enable ();
+
+ return status;
+}
+
+static int
+flash_check_blank (const uint8_t *p_start, size_t size)
+{
+ const uint8_t *p;
+
+ for (p = p_start; p < p_start + size; p++)
+ if (*p != 0xff)
+ return 0;
+
+ return 1;
+}
+
+extern uint8_t __flash_start__, __flash_end__;
+
+static int
+flash_write (uint32_t dst_addr, const uint8_t *src, size_t len)
+{
+ int status;
+ uint32_t flash_start = (uint32_t)&__flash_start__;
+ uint32_t flash_end = (uint32_t)&__flash_end__;
+
+ if (dst_addr < flash_start || dst_addr + len > flash_end)
+ return 0;
+
+ while (len)
+ {
+ uint16_t hw = *src++;
+
+ hw |= (*src++ << 8);
+ status = flash_program_halfword (dst_addr, hw);
+ if (status != 0)
+ return 0; /* error return */
+
+ dst_addr += 2;
+ len -= 2;
+ }
+
+ return 1;
+}
+
+#define OPTION_BYTES_ADDR 0x1ffff800
+
+static int
+flash_protect (void)
+{
+ int status;
+ uint32_t option_bytes_value;
+
+ status = flash_wait_for_last_operation (FLASH_ERASE_TIMEOUT);
+
+ intr_disable ();
+ if (status == 0)
+ {
+ FLASH->OPTKEYR = FLASH_KEY1;
+ FLASH->OPTKEYR = FLASH_KEY2;
+
+ FLASH->CR |= FLASH_CR_OPTER;
+ FLASH->CR |= FLASH_CR_STRT;
+
+ status = flash_wait_for_last_operation (FLASH_ERASE_TIMEOUT);
+ FLASH->CR &= ~FLASH_CR_OPTER;
+ }
+ intr_enable ();
+
+ if (status != 0)
+ return 0;
+
+ option_bytes_value = *(uint32_t *)OPTION_BYTES_ADDR;
+ return (option_bytes_value & 0xff) == 0xff ? 1 : 0;
+}
+
+static void __attribute__((naked))
+flash_erase_all_and_exec (void (*entry)(void))
+{
+ uint32_t addr = (uint32_t)&__flash_start__;
+ uint32_t end = (uint32_t)&__flash_end__;
+ int r;
+
+ while (addr < end)
+ {
+ r = flash_erase_page (addr);
+ if (r != 0)
+ break;
+
+ addr += FLASH_PAGE_SIZE;
+ }
+
+ if (addr >= end)
+ (*entry) ();
+
+ for (;;);
+}
+
+struct SCB
+{
+ volatile uint32_t CPUID;
+ volatile uint32_t ICSR;
+ volatile uint32_t VTOR;
+ volatile uint32_t AIRCR;
+ volatile uint32_t SCR;
+ volatile uint32_t CCR;
+ volatile uint8_t SHP[12];
+ volatile uint32_t SHCSR;
+ volatile uint32_t CFSR;
+ volatile uint32_t HFSR;
+ volatile uint32_t DFSR;
+ volatile uint32_t MMFAR;
+ volatile uint32_t BFAR;
+ volatile uint32_t AFSR;
+ volatile uint32_t PFR[2];
+ volatile uint32_t DFR;
+ volatile uint32_t ADR;
+ volatile uint32_t MMFR[4];
+ volatile uint32_t ISAR[5];
+};
+
+#define SCS_BASE (0xE000E000)
+#define SCB_BASE (SCS_BASE + 0x0D00)
+static struct SCB *const SCB = ((struct SCB *const) SCB_BASE);
+
+#define SYSRESETREQ 0x04
+static void
+nvic_system_reset (void)
+{
+ SCB->AIRCR = (0x05FA0000 | (SCB->AIRCR & 0x70) | SYSRESETREQ);
+ asm volatile ("dsb");
+ for (;;);
+}
+
+static void __attribute__ ((naked))
+reset (void)
+{
+ /*
+ * This code may not be at start of flash ROM, because of DFU.
+ * So, we take the address from PC.
+ */
+#if __ARM_ARCH_6M__
+ asm volatile ("cpsid i\n\t" /* Mask all interrupts. */
+ "ldr r0, 1f\n\t" /* r0 = RAM start */
+ "mov r1, pc\n\t" /* r1 = (PC + 0x0400) & ~0x03ff */
+ "mov r2, #0x04\n\t"
+ "lsl r2, #8\n\t"
+ "add r1, r1, r2\n\t"
+ "sub r2, r2, #1\n\t"
+ "bic r1, r1, r2\n\t"
+ "mov r2, #188\n"
+ "2:\n\t" /* Copy vectors. It will be enabled later by clock_init. */
+ "ldr r3, [r1, r2]\n\t"
+ "str r3, [r0, r2]\n\t"
+ "sub r2, #4\n\t"
+ "bcs 2b\n\t"
+ "msr MSP, r3\n\t" /* Main (exception handler) stack. */
+ "ldr r0, [r1, #4]\n\t" /* Reset handler. */
+ "bx r0\n\t"
+ ".align 2\n"
+ "1: .word 0x20000000"
+ : /* no output */ : /* no input */ : "memory");
+#else
+ extern const unsigned long *FT0, *FT1, *FT2;
+ asm volatile ("cpsid i\n\t" /* Mask all interrupts. */
+ "ldr r0, 1f\n\t" /* r0 = SCR */
+ "mov r1, pc\n\t" /* r1 = (PC + 0x1000) & ~0x0fff */
+ "mov r2, #0x1000\n\t"
+ "add r1, r1, r2\n\t"
+ "sub r2, r2, #1\n\t"
+ "bic r1, r1, r2\n\t"
+ "str r1, [r0, #8]\n\t" /* Set SCR->VCR */
+ "ldr r0, [r1], #4\n\t"
+ "msr MSP, r0\n\t" /* Main (exception handler) stack. */
+ "ldr r0, [r1]\n\t" /* Reset handler. */
+ "bx r0\n\t"
+ ".align 2\n"
+ "1: .word 0xe000ed00"
+ : /* no output */ : /* no input */ : "memory");
+ /* Artificial entry to refer FT0, FT1, and FT2. */
+ asm volatile (""
+ : : "r" (FT0), "r" (FT1), "r" (FT2));
+#endif
+ /* Never reach here. */
+}
+
+typedef void (*handler)(void);
+extern uint8_t __ram_end__;
+
+handler vector[] __attribute__ ((section(".vectors"))) = {
+ (handler)&__ram_end__,
+ reset,
+ (handler)set_led,
+ flash_unlock,
+ (handler)flash_program_halfword,
+ (handler)flash_erase_page,
+ (handler)flash_check_blank,
+ (handler)flash_write,
+ (handler)flash_protect,
+ (handler)flash_erase_all_and_exec,
+ usb_lld_sys_init,
+ usb_lld_sys_shutdown,
+ nvic_system_reset,
+ clock_init,
+ gpio_init,
+ NULL,
+};
+
+const uint8_t sys_version[8] __attribute__((section(".sys.version"))) = {
+ 3*2+2, /* bLength */
+ 0x03, /* bDescriptorType = USB_STRING_DESCRIPTOR_TYPE*/
+ /* sys version: "2.0" */
+ '2', 0, '.', 0, '0', 0,
+};
diff --git a/example-fsm-55/sys.h b/example-fsm-55/sys.h
new file mode 100644
index 0000000..25d33f1
--- /dev/null
+++ b/example-fsm-55/sys.h
@@ -0,0 +1,115 @@
+extern const uint8_t sys_version[8];
+
+typedef void (*handler)(void);
+extern handler vector[16];
+
+static inline const uint8_t *
+unique_device_id (void)
+{
+ /* STM32F103 has 96-bit unique device identifier */
+ const uint8_t *addr = (const uint8_t *)0x1ffff7e8;
+
+ return addr;
+}
+
+static inline void
+set_led (int on)
+{
+ void (*func) (int) = (void (*)(int))vector[2];
+
+ return (*func) (on);
+}
+
+static inline void
+flash_unlock (void)
+{
+ (*vector[3]) ();
+}
+
+static inline int
+flash_program_halfword (uint32_t addr, uint16_t data)
+{
+ int (*func) (uint32_t, uint16_t) = (int (*)(uint32_t, uint16_t))vector[4];
+
+ return (*func) (addr, data);
+}
+
+static inline int
+flash_erase_page (uint32_t addr)
+{
+ int (*func) (uint32_t) = (int (*)(uint32_t))vector[5];
+
+ return (*func) (addr);
+}
+
+static inline int
+flash_check_blank (const uint8_t *p_start, size_t size)
+{
+ int (*func) (const uint8_t *, int) = (int (*)(const uint8_t *, int))vector[6];
+
+ return (*func) (p_start, size);
+}
+
+static inline int
+flash_write (uint32_t dst_addr, const uint8_t *src, size_t len)
+{
+ int (*func) (uint32_t, const uint8_t *, size_t)
+ = (int (*)(uint32_t, const uint8_t *, size_t))vector[7];
+
+ return (*func) (dst_addr, src, len);
+}
+
+static inline int
+flash_protect (void)
+{
+ int (*func) (void) = (int (*)(void))vector[8];
+
+ return (*func) ();
+}
+
+static inline void __attribute__((noreturn))
+flash_erase_all_and_exec (void (*entry)(void))
+{
+ void (*func) (void (*)(void)) = (void (*)(void (*)(void)))vector[9];
+
+ (*func) (entry);
+ for (;;);
+}
+
+static inline void
+usb_lld_sys_init (void)
+{
+ (*vector[10]) ();
+}
+
+static inline void
+usb_lld_sys_shutdown (void)
+{
+ (*vector[11]) ();
+}
+
+static inline void
+nvic_system_reset (void)
+{
+ (*vector[12]) ();
+}
+
+/*
+ * Users can override INLINE by 'attribute((used))' to have an
+ * implementation defined.
+ */
+#if !defined(INLINE)
+#define INLINE __inline__
+#endif
+
+static INLINE void
+clock_init (void)
+{
+ (*vector[13]) ();
+}
+
+static INLINE void
+gpio_init (void)
+{
+ (*vector[14]) ();
+}
--
cgit v1.2.3
From dffcf2d4bf9bf3e78a85fde704659be2b8384d40 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Mon, 4 Aug 2014 11:23:43 +0900
Subject: fix col/row.
---
example-fsm-55/gnu.txt | 179 +++++++++++++++++++++++++
example-fsm-55/hacker-emblem.c | 149 ++++++++++++++-------
example-fsm-55/hh.txt | 59 +++++++++
example-fsm-55/hiroshi-ayumi.c | 217 +++++++++++++++++++++++++++++++
example-fsm-55/l55.txt | 119 +++++++++++++++++
example-fsm-55/name.txt | 287 +++++++++++++++++++++++++++++++++++++++++
6 files changed, 961 insertions(+), 49 deletions(-)
create mode 100644 example-fsm-55/gnu.txt
create mode 100644 example-fsm-55/hh.txt
create mode 100644 example-fsm-55/hiroshi-ayumi.c
create mode 100644 example-fsm-55/l55.txt
create mode 100644 example-fsm-55/name.txt
diff --git a/example-fsm-55/gnu.txt b/example-fsm-55/gnu.txt
new file mode 100644
index 0000000..feb789a
--- /dev/null
+++ b/example-fsm-55/gnu.txt
@@ -0,0 +1,179 @@
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+
+_____ 00
+____* 01
+____* 01
+____* 01
+_____ 00
+
+____* 01
+___*_ 02
+___*_ 02
+___*_ 02
+____* 01
+
+___** 03
+__*__ 04
+__*__ 04
+__*__ 04
+___** 03
+
+__*** 07
+_*___ 08
+_*__* 09
+_*___ 08
+__*** 07
+
+_***_ 0e
+*____ 10
+*__** 13
+*___* 11
+_***_ 0e
+
+***__ 1c
+_____ 00
+__**_ 06
+___*_ 02
+***__ 1c
+
+**__* 19
+____* 01
+_**_* 0d
+__*_* 05
+**__* 19
+
+*__*_ 12
+ __** 03
+**_*_ 1a
+_*_*_ 0a
+*__*_ 12
+
+__*__ 04
+ _**_ 06
+*_*_* 15
+*_*__ 14
+__*__ 04
+
+_*___ 08
+_**__ 0c
+_*_*_ 0a
+_*__* 09
+_*___ 08
+
+*___* 11
+**__* 19
+*_*_* 15
+*__** 13
+*___* 11
+
+___*_ 02
+*__*_ 12
+_*_*_ 0a
+__**_ 06
+___*_ 02
+
+__*_* 05
+__*_* 05
+*_*_* 15
+_**_* 0d
+__*__ 04
+
+_*_*_ 0a
+_*_*_ 0a
+_*_*_ 0a
+**_*_ 1a
+_*__* 09
+
+*_*__ 14
+*_*__ 14
+*_*__ 14
+*_*__ 14
+*__** 13
+
+_*___ 08
+_*___ 08
+_*___ 08
+_*___ 08
+__*** 07
+
+*___* 11
+*___* 11
+*___* 11
+*___* 11
+_***_ 0e
+
+___*_ 02
+___*_ 02
+___*_ 02
+___*_ 02
+***__ 1c
+
+__*__ 04
+__*__ 04
+__*__ 04
+__*__ 04
+**___ 18
+
+_*___ 08
+_*___ 08
+_*___ 08
+_*___ 08
+*____ 10
+
+*___* 11
+*___* 11
+*___* 11
+*____ 10
+____* 01
+
+___** 03
+___** 03
+___** 03
+_____ 00
+___*_ 02
+
+__**_ 06
+__**_ 06
+__**_ 06
+_____ 00
+__*__ 04
+
+_**__ 0c
+_**__ 0c
+_**__ 0c
+_____ 00
+_*___ 08
+
+**___ 18
+**___ 18
+**___ 18
+_____ 00
+*____ 10
+
+*____ 10
+*____ 10
+*____ 10
+_____ 00
+_____ 00
+
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
diff --git a/example-fsm-55/hacker-emblem.c b/example-fsm-55/hacker-emblem.c
index b66fe26..ddf83db 100644
--- a/example-fsm-55/hacker-emblem.c
+++ b/example-fsm-55/hacker-emblem.c
@@ -33,26 +33,27 @@ struct GPIO {
#define GPIOF ((struct GPIO *) GPIOF_BASE)
static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
-
+static struct GPIO *const GPIO_OTHER = ((struct GPIO *const) GPIO_OTHER_BASE);
+
static chopstx_mutex_t mtx;
static chopstx_cond_t cnd0;
-static chopstx_cond_t cnd1;
-static uint8_t u;
+static uint8_t
+user_button (void)
+{
+ return (GPIO_OTHER->IDR & 1) == 0;
+}
static uint8_t l_data[5];
static void
set_led_display (uint32_t data)
{
- if (data)
- {
- l_data[0] = l_data[1] = l_data[2] = l_data[3] = l_data[4] = 0x1f;
- }
- else
- {
- l_data[0] = l_data[1] = l_data[2] = l_data[3] = l_data[4] = 0x00;
- }
+ l_data[0] = (data >> 0) & 0x1f;
+ l_data[1] = (data >> 5) & 0x1f;
+ l_data[2] = (data >> 10) & 0x1f;
+ l_data[3] = (data >> 15) & 0x1f;
+ l_data[4] = (data >> 20) & 0x1f;
}
@@ -63,17 +64,22 @@ wait_for (uint32_t usec)
}
static void
-led_prepare_column (uint8_t data)
+led_prepare_row (uint8_t col)
{
+ uint16_t data = 0x1f;
+
+ data |= ((l_data[0] & (1 << col)) ? 1 : 0) << 5;
+ data |= ((l_data[1] & (1 << col)) ? 1 : 0) << 6;
+ data |= ((l_data[2] & (1 << col)) ? 1 : 0) << 7;
+ data |= ((l_data[3] & (1 << col)) ? 1 : 0) << 9;
+ data |= ((l_data[4] & (1 << col)) ? 1 : 0) << 10;
GPIO_LED->ODR = data;
}
static void
-led_enable_row (uint8_t row)
+led_enable_column (uint8_t col)
{
- static const uint8_t row_to_pin[5] = { 5, 6, 7, 9, 10 };
-
- GPIO_LED->BSRR = (1 << row_to_pin[row]);
+ GPIO_LED->BRR = (1 << col);
}
static void *
@@ -91,8 +97,8 @@ led (void *arg)
for (i = 0; i < 5; i++)
{
- led_prepare_column (l_data [i]);
- led_enable_row (i);
+ led_prepare_row (i);
+ led_enable_column (i);
wait_for (1000);
}
}
@@ -100,65 +106,110 @@ led (void *arg)
return NULL;
}
-static void *
-blk (void *arg)
-{
- (void)arg;
-
- chopstx_mutex_lock (&mtx);
- chopstx_cond_wait (&cnd1, &mtx);
- chopstx_mutex_unlock (&mtx);
-
- while (1)
- {
- set_led_display (0);
- wait_for (200*1000);
- set_led_display (u);
- wait_for (200*1000);
- }
-
- return NULL;
-}
-
#define PRIO_LED 3
-#define PRIO_BLK 2
extern uint8_t __process1_stack_base__, __process1_stack_size__;
-extern uint8_t __process2_stack_base__, __process2_stack_size__;
-extern uint8_t __process3_stack_base__, __process3_stack_size__;
const uint32_t __stackaddr_led = (uint32_t)&__process1_stack_base__;
const size_t __stacksize_led = (size_t)&__process1_stack_size__;
-const uint32_t __stackaddr_blk = (uint32_t)&__process2_stack_base__;
-const size_t __stacksize_blk = (size_t)&__process2_stack_size__;
-
+#define DATA55(x0,x1,x2,x3,x4) (x0<<20)|(x1<<15)|(x2<<10)|(x3<< 5)|(x4<< 0)
+
+static uint32_t l55[20] = {
+ DATA55 (0x08, 0x04, 0x1c, 0x00, 0x00),
+ DATA55 (0x00, 0x14, 0x0c, 0x08, 0x00),
+ DATA55 (0x00, 0x04, 0x14, 0x0c, 0x00),
+ DATA55 (0x00, 0x08, 0x06, 0x0c, 0x00),
+ DATA55 (0x00, 0x04, 0x02, 0x0e, 0x00),
+ DATA55 (0x00, 0x00, 0x0a, 0x06, 0x04),
+ DATA55 (0x00, 0x00, 0x02, 0x0a, 0x06),
+ DATA55 (0x00, 0x00, 0x04, 0x03, 0x06),
+ DATA55 (0x00, 0x00, 0x02, 0x01, 0x07),
+ DATA55 (0x02, 0x00, 0x00, 0x05, 0x03),
+ DATA55 (0x03, 0x00, 0x00, 0x01, 0x05),
+ DATA55 (0x03, 0x00, 0x00, 0x02, 0x11),
+ DATA55 (0x13, 0x00, 0x00, 0x01, 0x10),
+ DATA55 (0x11, 0x01, 0x00, 0x00, 0x12),
+ DATA55 (0x12, 0x11, 0x00, 0x00, 0x10),
+ DATA55 (0x18, 0x11, 0x00, 0x00, 0x01),
+ DATA55 (0x08, 0x19, 0x00, 0x00, 0x10),
+ DATA55 (0x09, 0x18, 0x10, 0x00, 0x00),
+ DATA55 (0x08, 0x09, 0x18, 0x00, 0x00),
+ DATA55 (0x10, 0x0c, 0x18, 0x00, 0x00),
+};
+static uint32_t gnu[30] = {
+ DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
+ DATA55 (0x00, 0x01, 0x01, 0x01, 0x00),
+ DATA55 (0x01, 0x02, 0x02, 0x02, 0x01),
+ DATA55 (0x03, 0x04, 0x04, 0x04, 0x03),
+ DATA55 (0x07, 0x08, 0x09, 0x08, 0x07),
+ DATA55 (0x0e, 0x10, 0x13, 0x11, 0x0e),
+ DATA55 (0x1c, 0x00, 0x06, 0x02, 0x1c),
+ DATA55 (0x19, 0x01, 0x0d, 0x05, 0x19),
+ DATA55 (0x12, 0x03, 0x1a, 0x0a, 0x12),
+ DATA55 (0x04, 0x06, 0x15, 0x14, 0x04),
+ DATA55 (0x08, 0x0c, 0x0a, 0x09, 0x08),
+ DATA55 (0x11, 0x19, 0x15, 0x13, 0x11),
+ DATA55 (0x02, 0x12, 0x0a, 0x06, 0x02),
+ DATA55 (0x05, 0x05, 0x15, 0x0d, 0x04),
+ DATA55 (0x0a, 0x0a, 0x0a, 0x1a, 0x09),
+ DATA55 (0x14, 0x14, 0x14, 0x14, 0x13),
+ DATA55 (0x08, 0x08, 0x08, 0x08, 0x07),
+ DATA55 (0x11, 0x11, 0x11, 0x11, 0x0e),
+ DATA55 (0x02, 0x02, 0x02, 0x02, 0x1c),
+ DATA55 (0x04, 0x04, 0x04, 0x04, 0x18),
+ DATA55 (0x08, 0x08, 0x08, 0x08, 0x10),
+ DATA55 (0x11, 0x11, 0x11, 0x10, 0x01),
+ DATA55 (0x03, 0x03, 0x03, 0x00, 0x02),
+ DATA55 (0x06, 0x06, 0x06, 0x00, 0x04),
+ DATA55 (0x0c, 0x0c, 0x0c, 0x00, 0x08),
+ DATA55 (0x18, 0x18, 0x18, 0x00, 0x10),
+ DATA55 (0x10, 0x10, 0x10, 0x00, 0x00),
+ DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
+ DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
+ DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
+};
int
main (int argc, const char *argv[])
{
+ uint8_t state = 0;
+
(void)argc;
(void)argv;
chopstx_mutex_init (&mtx);
chopstx_cond_init (&cnd0);
- chopstx_cond_init (&cnd1);
chopstx_create (PRIO_LED, __stackaddr_led, __stacksize_led, led, NULL);
- chopstx_create (PRIO_BLK, __stackaddr_blk, __stacksize_blk, blk, NULL);
chopstx_usec_wait (200*1000);
chopstx_mutex_lock (&mtx);
chopstx_cond_signal (&cnd0);
- chopstx_cond_signal (&cnd1);
chopstx_mutex_unlock (&mtx);
while (1)
{
- u ^= 1;
- wait_for (200*1000*6);
+ int i;
+
+ if (state)
+ for (i = 0; i < 20; i++)
+ {
+ if (user_button ())
+ state = 0;
+ set_led_display (l55[i]);
+ wait_for (500*1000);
+ }
+ else
+ for (i = 0; i < 30; i++)
+ {
+ if (user_button ())
+ state = 1;
+ set_led_display (gnu[i]);
+ wait_for (200*1000);
+ }
}
return 0;
diff --git a/example-fsm-55/hh.txt b/example-fsm-55/hh.txt
new file mode 100644
index 0000000..72f51e4
--- /dev/null
+++ b/example-fsm-55/hh.txt
@@ -0,0 +1,59 @@
+o...o
+o...o
+ooooo
+o...o
+o...o
+
+..o.
+.o.o.
+o...o
+ooooo
+o...o
+
+ooooo
+o...o
+oooo.
+o....
+o....
+
+o...o
+o...o
+.ooo.
+..o..
+..o..
+
+.ooo.
+o....
+o....
+o...o
+.ooo.
+
+o..o.
+o.o..
+ooo..
+o..o.
+o...o
+
+ooo
+.o.
+.o.
+.o.
+ooo
+
+o...o 11
+oo..o 19
+o.o.o 15
+o..oo 13
+o...o 11
+
+.ooo. 0e
+o.... 10
+o..oo 13
+o...o 11
+.ooo. 0e
+
+oo
+oo
+oo
+..
+o.
diff --git a/example-fsm-55/hiroshi-ayumi.c b/example-fsm-55/hiroshi-ayumi.c
new file mode 100644
index 0000000..8c47d54
--- /dev/null
+++ b/example-fsm-55/hiroshi-ayumi.c
@@ -0,0 +1,217 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <chopstx.h>
+
+#include "board.h"
+
+#define PERIPH_BASE 0x40000000
+#define APBPERIPH_BASE PERIPH_BASE
+#define APB2PERIPH_BASE (PERIPH_BASE + 0x10000)
+#define AHBPERIPH_BASE (PERIPH_BASE + 0x20000)
+#define AHB2PERIPH_BASE (PERIPH_BASE + 0x08000000)
+
+struct GPIO {
+ volatile uint32_t MODER;
+ volatile uint16_t OTYPER;
+ uint16_t dummy0;
+ volatile uint32_t OSPEEDR;
+ volatile uint32_t PUPDR;
+ volatile uint16_t IDR;
+ uint16_t dummy1;
+ volatile uint16_t ODR;
+ uint16_t dummy2;
+ volatile uint16_t BSRR;
+ uint16_t dummy3;
+ volatile uint32_t LCKR;
+ volatile uint32_t AFR[2];
+ volatile uint16_t BRR;
+ uint16_t dummy4;
+};
+#define GPIOA_BASE (AHB2PERIPH_BASE + 0x0000)
+#define GPIOA ((struct GPIO *) GPIOA_BASE)
+#define GPIOF_BASE (AHB2PERIPH_BASE + 0x1400)
+#define GPIOF ((struct GPIO *) GPIOF_BASE)
+
+static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
+static struct GPIO *const GPIO_OTHER = ((struct GPIO *const) GPIO_OTHER_BASE);
+
+static chopstx_mutex_t mtx;
+static chopstx_cond_t cnd0;
+
+static uint8_t
+user_button (void)
+{
+ return (GPIO_OTHER->IDR & 1) == 0;
+}
+
+static uint8_t l_data[5];
+
+static void
+set_led_display (uint32_t data)
+{
+ l_data[0] = (data >> 0) & 0x1f;
+ l_data[1] = (data >> 5) & 0x1f;
+ l_data[2] = (data >> 10) & 0x1f;
+ l_data[3] = (data >> 15) & 0x1f;
+ l_data[4] = (data >> 20) & 0x1f;
+}
+
+
+static void
+wait_for (uint32_t usec)
+{
+ chopstx_usec_wait (usec);
+}
+
+static void
+led_prepare_row (uint8_t col)
+{
+ uint16_t data = 0x1f;
+
+ data |= ((l_data[0] & (1 << col)) ? 1 : 0) << 5;
+ data |= ((l_data[1] & (1 << col)) ? 1 : 0) << 6;
+ data |= ((l_data[2] & (1 << col)) ? 1 : 0) << 7;
+ data |= ((l_data[3] & (1 << col)) ? 1 : 0) << 9;
+ data |= ((l_data[4] & (1 << col)) ? 1 : 0) << 10;
+ GPIO_LED->ODR = data;
+}
+
+static void
+led_enable_column (uint8_t col)
+{
+ GPIO_LED->BRR = (1 << col);
+}
+
+static void *
+led (void *arg)
+{
+ (void)arg;
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_wait (&cnd0, &mtx);
+ chopstx_mutex_unlock (&mtx);
+
+ while (1)
+ {
+ int i;
+
+ for (i = 0; i < 5; i++)
+ {
+ led_prepare_row (i);
+ led_enable_column (i);
+ wait_for (1000);
+ }
+ }
+
+ return NULL;
+}
+
+#define PRIO_LED 3
+
+extern uint8_t __process1_stack_base__, __process1_stack_size__;
+
+const uint32_t __stackaddr_led = (uint32_t)&__process1_stack_base__;
+const size_t __stacksize_led = (size_t)&__process1_stack_size__;
+
+#define DATA55(x0,x1,x2,x3,x4) (x0<<20)|(x1<<15)|(x2<<10)|(x3<< 5)|(x4<< 0)
+#define SIZE55(img) (sizeof (img) / sizeof (uint32_t))
+
+static uint32_t image0[] = {
+ DATA55 (0x00,0x00,0x00,0x00,0x00),
+ DATA55 (0x00,0x01,0x00,0x00,0x00),
+ DATA55 (0x01,0x03,0x01,0x01,0x00),
+ DATA55 (0x02,0x06,0x02,0x02,0x01),
+ DATA55 (0x05,0x0d,0x05,0x05,0x03),
+ DATA55 (0x0b,0x1a,0x0a,0x0a,0x06),
+ DATA55 (0x16,0x14,0x14,0x14,0x0c),
+ DATA55 (0x0d,0x08,0x09,0x08,0x19),
+ DATA55 (0x1b,0x11,0x12,0x10,0x13),
+ DATA55 (0x17,0x03,0x04,0x00,0x07),
+ DATA55 (0x0f,0x06,0x09,0x01,0x0e),
+ DATA55 (0x1e,0x0c,0x12,0x02,0x1c),
+ DATA55 (0x1d,0x19,0x05,0x05,0x18),
+ DATA55 (0x1a,0x12,0x0a,0x0a,0x11),
+ DATA55 (0x14,0x04,0x14,0x14,0x03),
+ DATA55 (0x08,0x08,0x08,0x09,0x06),
+ DATA55 (0x10,0x10,0x10,0x12,0x0c),
+ DATA55 (0x00,0x00,0x00,0x04,0x18),
+ DATA55 (0x00,0x00,0x00,0x08,0x10),
+ DATA55 (0x00,0x00,0x00,0x10,0x00),
+ DATA55 (0x00,0x00,0x00,0x00,0x00),
+ DATA55 (0x00,0x00,0x00,0x00,0x00),
+ DATA55 (0x00,0x00,0x00,0x00,0x00),
+ DATA55 (0x00,0x00,0x00,0x00,0x00),
+ DATA55 (0x00,0x00,0x00,0x00,0x00),
+};
+
+static uint32_t image1[] = {
+ DATA55 (0x00,0x00,0x00,0x00,0x00),
+ DATA55 (0x01,0x00,0x00,0x00,0x01),
+ DATA55 (0x03,0x00,0x00,0x01,0x03),
+ DATA55 (0x07,0x01,0x01,0x03,0x06),
+ DATA55 (0x0f,0x02,0x02,0x06,0x0c),
+ DATA55 (0x1f,0x05,0x05,0x0c,0x18),
+ DATA55 (0x1e,0x0a,0x0a,0x18,0x11),
+ DATA55 (0x1d,0x14,0x14,0x10,0x03),
+ DATA55 (0x1b,0x08,0x08,0x00,0x07),
+ DATA55 (0x17,0x11,0x11,0x01,0x0f),
+ DATA55 (0x0e,0x02,0x02,0x02,0x1f),
+ DATA55 (0x1c,0x04,0x04,0x04,0x1e),
+ DATA55 (0x19,0x08,0x09,0x08,0x1d),
+ DATA55 (0x13,0x10,0x13,0x10,0x1b),
+ DATA55 (0x07,0x00,0x07,0x00,0x17),
+ DATA55 (0x0f,0x00,0x0f,0x00,0x0f),
+ DATA55 (0x1e,0x00,0x1e,0x00,0x1e),
+ DATA55 (0x1c,0x00,0x1c,0x00,0x1c),
+ DATA55 (0x18,0x00,0x18,0x00,0x18),
+ DATA55 (0x10,0x00,0x10,0x00,0x10),
+ DATA55 (0x00,0x00,0x00,0x00,0x00),
+ DATA55 (0x00,0x00,0x00,0x00,0x00),
+ DATA55 (0x00,0x00,0x00,0x00,0x00),
+ DATA55 (0x00,0x00,0x00,0x00,0x00),
+ DATA55 (0x00,0x00,0x00,0x00,0x00),
+};
+
+int
+main (int argc, const char *argv[])
+{
+ uint8_t state = 0;
+
+ (void)argc;
+ (void)argv;
+
+ chopstx_mutex_init (&mtx);
+ chopstx_cond_init (&cnd0);
+
+ chopstx_create (PRIO_LED, __stackaddr_led, __stacksize_led, led, NULL);
+
+ chopstx_usec_wait (200*1000);
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_signal (&cnd0);
+ chopstx_mutex_unlock (&mtx);
+
+ while (1)
+ {
+ unsigned int i;
+
+ if (state)
+ for (i = 0; i < SIZE55 (image0); i++)
+ {
+ if (user_button ())
+ state = 0;
+ set_led_display (image0[i]);
+ wait_for (200*1000);
+ }
+ else
+ for (i = 0; i < SIZE55 (image1); i++)
+ {
+ if (user_button ())
+ state = 1;
+ set_led_display (image1[i]);
+ wait_for (200*1000);
+ }
+ }
+
+ return 0;
+}
diff --git a/example-fsm-55/l55.txt b/example-fsm-55/l55.txt
new file mode 100644
index 0000000..701248e
--- /dev/null
+++ b/example-fsm-55/l55.txt
@@ -0,0 +1,119 @@
+_*___ 08
+__*__ 04
+***__ 1c
+_____ 00
+_____ 00
+
+_____ 00
+*_*__ 14
+_**__ 0c
+_*___ 08
+_____ 00
+
+_____ 00
+__*__ 04
+*_*__ 14
+_**__ 0c
+_____ 00
+
+_____ 00
+_*__ 08
+__**_ 06
+_**__ 0c
+_____ 00
+
+_____ 00
+__*__ 04
+___*_ 02
+_***_ 0e
+_____ 00
+
+_____ 00
+_____ 00
+_*_*_ 0a
+__**_ 06
+__*__ 04
+
+_____ 00
+_____ 00
+___*_ 02
+_*_*_ 0a
+__**_ 06
+
+_____ 00
+_____ 00
+__*__ 04
+___** 03
+__**_ 06
+
+_____ 00
+_____ 00
+ __*_ 02
+____* 01
+__*** 07
+
+___*_ 02
+_____ 00
+_____ 00
+__*_* 05
+___** 03
+
+___** 03
+_____ 00
+_____ 00
+____* 01
+__*_* 05
+
+___** 03
+_____ 00
+_____ 00
+_ _*_ 02
+*___* 11
+
+*__** 13
+_____ 00
+_____ 00
+____* 01
+*____ 10
+
+*___* 11
+____* 01
+_____ 00
+_____ 00
+*__*_ 12
+
+*__*_ 12
+*___* 11
+_____ 00
+_____ 00
+*____ 10
+
+**___ 18
+*___* 11
+_____ 00
+_____ 00
+____* 01
+
+_*___ 08
+**__* 19
+_____ 00
+_____ 00
+*____ 10
+
+_*__* 09
+**___ 18
+*____ 10
+_____ 00
+_____ 00
+
+_*___ 08
+_*__* 09
+**___ 18
+_____ 00
+_____ 00
+
+*____ 10
+_**__ 0c
+**___ 18
+_____ 00
+_____ 00
diff --git a/example-fsm-55/name.txt b/example-fsm-55/name.txt
new file mode 100644
index 0000000..e54ee58
--- /dev/null
+++ b/example-fsm-55/name.txt
@@ -0,0 +1,287 @@
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+
+_____ 00
+____* 01
+_____ 00
+_____ 00
+_____ 00
+
+____* 01
+___** 03
+____* 01
+____* 01
+_____ 00
+
+___*_ 02
+__**_ 06
+___*_ 02
+___*_ 02
+____* 01
+
+__*_* 05
+_**_* 0d
+__*_* 05
+__*_* 05
+___** 03
+
+_*_** 0b
+**_*_ 1a
+_*_*_ 0a
+_*_*_ 0a
+__**_ 06
+
+*_**_ 16
+*_*__ 14
+*_*__ 14
+*_*__ 14
+_**__ 0c
+
+_**_* 0d
+_*___ 08
+_*__* 09
+_*___ 08
+**__* 19
+
+**_** 1b
+*___* 11
+*__*_ 12
+*____ 10
+*__** 13
+
+*_*** 17
+___** 03
+__*__ 04
+_____ 00
+__*** 07
+
+_**** 0f
+__**_ 06
+_*__* 09
+____* 01
+_***_ 0e
+
+****_ 1e
+_**__ 0c
+*__*_ 12
+___*_ 02
+***__ 1c
+
+***_* 1d
+**__* 19
+__*_* 05
+__*_* 05
+**___ 18
+
+**_*_ 1a
+*__*_ 12
+_*_*_ 0a
+_*_*_ 0a
+*___* 11
+
+*_*__ 14
+__*__ 04
+*_*__ 14
+*_*__ 14
+___** 03
+
+_*___ 08
+_*___ 08
+_*___ 08
+_*__* 09
+__**_ 06
+
+*____ 10
+*____ 10
+*____ 10
+*__*_ 12
+_**__ 0c
+
+_____ 00
+_____ 00
+_____ 00
+__*__ 04
+**___ 18
+
+_____ 00
+_____ 00
+_____ 00
+_*___ 08
+*____ 10
+
+_____ 00
+_____ 00
+_____ 00
+*____ 10
+_____ 00
+
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+
+____* 01
+_____ 00
+_____ 00
+_____ 00
+____* 01
+
+___** 03
+_____ 00
+_____ 00
+____* 01
+___** 03
+
+__*** 07
+____* 01
+____* 01
+___** 03
+__**_ 06
+
+_**** 0f
+___*_ 02
+___*_ 02
+__**_ 06
+_**__ 0c
+
+***** 1f
+__*_* 05
+__*_* 05
+_**__ 0c
+**___ 18
+
+****_ 1e
+_*_*_ 0a
+_*_*_ 0a
+**___ 18
+*___* 11
+
+***_* 1d
+*_*__ 14
+*_*__ 14
+*____ 10
+___** 03
+
+**_** 1b
+_*___ 08
+_*___ 08
+_____ 00
+__*** 07
+
+*_*** 17
+*___* 11
+*___* 11
+____* 01
+_**** 0f
+
+_***_ 0e
+___*_ 02
+___*_ 02
+___*_ 02
+***** 1f
+
+***__ 1c
+__*__ 04
+__*__ 04
+__*__ 04
+****_ 1e
+
+**__* 19
+_*___ 08
+_*__* 09
+_*___ 08
+***_* 1d
+
+*__** 13
+*____ 10
+*__** 13
+*____ 10
+**_** 1b
+
+__*** 07
+_____ 00
+__*** 07
+_____ 00
+*_*** 17
+
+_**** 0f
+_____ 00
+_**** 0f
+_____ 00
+_**** 0f
+
+****_ 1e
+_____ 00
+****_ 1e
+_____ 00
+****_ 1e
+
+***__ 1c
+_____ 00
+***__ 1c
+_____ 00
+***__ 1c
+
+**___ 18
+_____ 00
+**___ 18
+_____ 00
+**___ 18
+
+*____ 10
+_____ 00
+*____ 10
+_____ 00
+*____ 10
+
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+
+_____ 00
+_____ 00
+_____ 00
+_____ 00
+_____ 00
--
cgit v1.2.3
From f4f2afd0ad7e1162b4161a61b15e12eb55e969b7 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Mon, 4 Aug 2014 11:25:53 +0900
Subject: Use SIZE55.
---
example-fsm-55/hacker-emblem.c | 11 +-
example-fsm-55/hacker-emblem.c~ | 216 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 222 insertions(+), 5 deletions(-)
create mode 100644 example-fsm-55/hacker-emblem.c~
diff --git a/example-fsm-55/hacker-emblem.c b/example-fsm-55/hacker-emblem.c
index ddf83db..0f6ccd9 100644
--- a/example-fsm-55/hacker-emblem.c
+++ b/example-fsm-55/hacker-emblem.c
@@ -114,8 +114,9 @@ const uint32_t __stackaddr_led = (uint32_t)&__process1_stack_base__;
const size_t __stacksize_led = (size_t)&__process1_stack_size__;
#define DATA55(x0,x1,x2,x3,x4) (x0<<20)|(x1<<15)|(x2<<10)|(x3<< 5)|(x4<< 0)
+#define SIZE55(img) (sizeof (img) / sizeof (uint32_t))
-static uint32_t l55[20] = {
+static uint32_t l55[] = {
DATA55 (0x08, 0x04, 0x1c, 0x00, 0x00),
DATA55 (0x00, 0x14, 0x0c, 0x08, 0x00),
DATA55 (0x00, 0x04, 0x14, 0x0c, 0x00),
@@ -138,7 +139,7 @@ static uint32_t l55[20] = {
DATA55 (0x10, 0x0c, 0x18, 0x00, 0x00),
};
-static uint32_t gnu[30] = {
+static uint32_t gnu[] = {
DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
DATA55 (0x00, 0x01, 0x01, 0x01, 0x00),
DATA55 (0x01, 0x02, 0x02, 0x02, 0x01),
@@ -192,10 +193,10 @@ main (int argc, const char *argv[])
while (1)
{
- int i;
+ unsigned int i;
if (state)
- for (i = 0; i < 20; i++)
+ for (i = 0; i < SIZE55 (l55); i++)
{
if (user_button ())
state = 0;
@@ -203,7 +204,7 @@ main (int argc, const char *argv[])
wait_for (500*1000);
}
else
- for (i = 0; i < 30; i++)
+ for (i = 0; i < SIZE55 (gnu); i++)
{
if (user_button ())
state = 1;
diff --git a/example-fsm-55/hacker-emblem.c~ b/example-fsm-55/hacker-emblem.c~
new file mode 100644
index 0000000..ddf83db
--- /dev/null
+++ b/example-fsm-55/hacker-emblem.c~
@@ -0,0 +1,216 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <chopstx.h>
+
+#include "board.h"
+
+#define PERIPH_BASE 0x40000000
+#define APBPERIPH_BASE PERIPH_BASE
+#define APB2PERIPH_BASE (PERIPH_BASE + 0x10000)
+#define AHBPERIPH_BASE (PERIPH_BASE + 0x20000)
+#define AHB2PERIPH_BASE (PERIPH_BASE + 0x08000000)
+
+struct GPIO {
+ volatile uint32_t MODER;
+ volatile uint16_t OTYPER;
+ uint16_t dummy0;
+ volatile uint32_t OSPEEDR;
+ volatile uint32_t PUPDR;
+ volatile uint16_t IDR;
+ uint16_t dummy1;
+ volatile uint16_t ODR;
+ uint16_t dummy2;
+ volatile uint16_t BSRR;
+ uint16_t dummy3;
+ volatile uint32_t LCKR;
+ volatile uint32_t AFR[2];
+ volatile uint16_t BRR;
+ uint16_t dummy4;
+};
+#define GPIOA_BASE (AHB2PERIPH_BASE + 0x0000)
+#define GPIOA ((struct GPIO *) GPIOA_BASE)
+#define GPIOF_BASE (AHB2PERIPH_BASE + 0x1400)
+#define GPIOF ((struct GPIO *) GPIOF_BASE)
+
+static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
+static struct GPIO *const GPIO_OTHER = ((struct GPIO *const) GPIO_OTHER_BASE);
+
+static chopstx_mutex_t mtx;
+static chopstx_cond_t cnd0;
+
+static uint8_t
+user_button (void)
+{
+ return (GPIO_OTHER->IDR & 1) == 0;
+}
+
+static uint8_t l_data[5];
+
+static void
+set_led_display (uint32_t data)
+{
+ l_data[0] = (data >> 0) & 0x1f;
+ l_data[1] = (data >> 5) & 0x1f;
+ l_data[2] = (data >> 10) & 0x1f;
+ l_data[3] = (data >> 15) & 0x1f;
+ l_data[4] = (data >> 20) & 0x1f;
+}
+
+
+static void
+wait_for (uint32_t usec)
+{
+ chopstx_usec_wait (usec);
+}
+
+static void
+led_prepare_row (uint8_t col)
+{
+ uint16_t data = 0x1f;
+
+ data |= ((l_data[0] & (1 << col)) ? 1 : 0) << 5;
+ data |= ((l_data[1] & (1 << col)) ? 1 : 0) << 6;
+ data |= ((l_data[2] & (1 << col)) ? 1 : 0) << 7;
+ data |= ((l_data[3] & (1 << col)) ? 1 : 0) << 9;
+ data |= ((l_data[4] & (1 << col)) ? 1 : 0) << 10;
+ GPIO_LED->ODR = data;
+}
+
+static void
+led_enable_column (uint8_t col)
+{
+ GPIO_LED->BRR = (1 << col);
+}
+
+static void *
+led (void *arg)
+{
+ (void)arg;
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_wait (&cnd0, &mtx);
+ chopstx_mutex_unlock (&mtx);
+
+ while (1)
+ {
+ int i;
+
+ for (i = 0; i < 5; i++)
+ {
+ led_prepare_row (i);
+ led_enable_column (i);
+ wait_for (1000);
+ }
+ }
+
+ return NULL;
+}
+
+#define PRIO_LED 3
+
+extern uint8_t __process1_stack_base__, __process1_stack_size__;
+
+const uint32_t __stackaddr_led = (uint32_t)&__process1_stack_base__;
+const size_t __stacksize_led = (size_t)&__process1_stack_size__;
+
+#define DATA55(x0,x1,x2,x3,x4) (x0<<20)|(x1<<15)|(x2<<10)|(x3<< 5)|(x4<< 0)
+
+static uint32_t l55[20] = {
+ DATA55 (0x08, 0x04, 0x1c, 0x00, 0x00),
+ DATA55 (0x00, 0x14, 0x0c, 0x08, 0x00),
+ DATA55 (0x00, 0x04, 0x14, 0x0c, 0x00),
+ DATA55 (0x00, 0x08, 0x06, 0x0c, 0x00),
+ DATA55 (0x00, 0x04, 0x02, 0x0e, 0x00),
+ DATA55 (0x00, 0x00, 0x0a, 0x06, 0x04),
+ DATA55 (0x00, 0x00, 0x02, 0x0a, 0x06),
+ DATA55 (0x00, 0x00, 0x04, 0x03, 0x06),
+ DATA55 (0x00, 0x00, 0x02, 0x01, 0x07),
+ DATA55 (0x02, 0x00, 0x00, 0x05, 0x03),
+ DATA55 (0x03, 0x00, 0x00, 0x01, 0x05),
+ DATA55 (0x03, 0x00, 0x00, 0x02, 0x11),
+ DATA55 (0x13, 0x00, 0x00, 0x01, 0x10),
+ DATA55 (0x11, 0x01, 0x00, 0x00, 0x12),
+ DATA55 (0x12, 0x11, 0x00, 0x00, 0x10),
+ DATA55 (0x18, 0x11, 0x00, 0x00, 0x01),
+ DATA55 (0x08, 0x19, 0x00, 0x00, 0x10),
+ DATA55 (0x09, 0x18, 0x10, 0x00, 0x00),
+ DATA55 (0x08, 0x09, 0x18, 0x00, 0x00),
+ DATA55 (0x10, 0x0c, 0x18, 0x00, 0x00),
+};
+
+static uint32_t gnu[30] = {
+ DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
+ DATA55 (0x00, 0x01, 0x01, 0x01, 0x00),
+ DATA55 (0x01, 0x02, 0x02, 0x02, 0x01),
+ DATA55 (0x03, 0x04, 0x04, 0x04, 0x03),
+ DATA55 (0x07, 0x08, 0x09, 0x08, 0x07),
+ DATA55 (0x0e, 0x10, 0x13, 0x11, 0x0e),
+ DATA55 (0x1c, 0x00, 0x06, 0x02, 0x1c),
+ DATA55 (0x19, 0x01, 0x0d, 0x05, 0x19),
+ DATA55 (0x12, 0x03, 0x1a, 0x0a, 0x12),
+ DATA55 (0x04, 0x06, 0x15, 0x14, 0x04),
+ DATA55 (0x08, 0x0c, 0x0a, 0x09, 0x08),
+ DATA55 (0x11, 0x19, 0x15, 0x13, 0x11),
+ DATA55 (0x02, 0x12, 0x0a, 0x06, 0x02),
+ DATA55 (0x05, 0x05, 0x15, 0x0d, 0x04),
+ DATA55 (0x0a, 0x0a, 0x0a, 0x1a, 0x09),
+ DATA55 (0x14, 0x14, 0x14, 0x14, 0x13),
+ DATA55 (0x08, 0x08, 0x08, 0x08, 0x07),
+ DATA55 (0x11, 0x11, 0x11, 0x11, 0x0e),
+ DATA55 (0x02, 0x02, 0x02, 0x02, 0x1c),
+ DATA55 (0x04, 0x04, 0x04, 0x04, 0x18),
+ DATA55 (0x08, 0x08, 0x08, 0x08, 0x10),
+ DATA55 (0x11, 0x11, 0x11, 0x10, 0x01),
+ DATA55 (0x03, 0x03, 0x03, 0x00, 0x02),
+ DATA55 (0x06, 0x06, 0x06, 0x00, 0x04),
+ DATA55 (0x0c, 0x0c, 0x0c, 0x00, 0x08),
+ DATA55 (0x18, 0x18, 0x18, 0x00, 0x10),
+ DATA55 (0x10, 0x10, 0x10, 0x00, 0x00),
+ DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
+ DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
+ DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
+};
+
+int
+main (int argc, const char *argv[])
+{
+ uint8_t state = 0;
+
+ (void)argc;
+ (void)argv;
+
+ chopstx_mutex_init (&mtx);
+ chopstx_cond_init (&cnd0);
+
+ chopstx_create (PRIO_LED, __stackaddr_led, __stacksize_led, led, NULL);
+
+ chopstx_usec_wait (200*1000);
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_signal (&cnd0);
+ chopstx_mutex_unlock (&mtx);
+
+ while (1)
+ {
+ int i;
+
+ if (state)
+ for (i = 0; i < 20; i++)
+ {
+ if (user_button ())
+ state = 0;
+ set_led_display (l55[i]);
+ wait_for (500*1000);
+ }
+ else
+ for (i = 0; i < 30; i++)
+ {
+ if (user_button ())
+ state = 1;
+ set_led_display (gnu[i]);
+ wait_for (200*1000);
+ }
+ }
+
+ return 0;
+}
--
cgit v1.2.3
From 447b11fd1c1311a6c2619bc57b8b4b334c52fa4d Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Mon, 4 Aug 2014 12:38:20 +0900
Subject: Add Happy Hacking.
---
example-fsm-55/hacker-emblem.c | 86 ++++++++++++++++++++++++++++++++++++++----
example-fsm-55/hh.txt | 22 +++++------
2 files changed, 90 insertions(+), 18 deletions(-)
diff --git a/example-fsm-55/hacker-emblem.c b/example-fsm-55/hacker-emblem.c
index 0f6ccd9..b209ff9 100644
--- a/example-fsm-55/hacker-emblem.c
+++ b/example-fsm-55/hacker-emblem.c
@@ -56,6 +56,16 @@ set_led_display (uint32_t data)
l_data[4] = (data >> 20) & 0x1f;
}
+static void
+scroll_led_display (uint8_t row)
+{
+ l_data[0] = (l_data[0] << 1) | ((row >> 0) & 1);
+ l_data[1] = (l_data[1] << 1) | ((row >> 1) & 1);
+ l_data[2] = (l_data[2] << 1) | ((row >> 2) & 1);
+ l_data[3] = (l_data[3] << 1) | ((row >> 3) & 1);
+ l_data[4] = (l_data[4] << 1) | ((row >> 4) & 1);
+}
+
static void
wait_for (uint32_t usec)
@@ -172,11 +182,71 @@ static uint32_t gnu[] = {
DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
};
+#define DATA55V(x0,x1,x2,x3,x4) (x0<<0)|(x1<<5)|(x2<<10)|(x3<< 15)|(x4<< 20)
+
+#define CHAR_SPC 0
+#define CHAR_H 1
+#define CHAR_A 2
+#define CHAR_P 3
+#define CHAR_Y 4
+#define CHAR_C 5
+#define CHAR_K 6
+#define CHAR_I 7
+#define CHAR_N 8
+#define CHAR_G 9
+#define CHAR_EXC 10
+
+static uint8_t hh[] = {
+ CHAR_H, CHAR_A, CHAR_P, CHAR_P, CHAR_Y,
+ CHAR_SPC,
+ CHAR_H, CHAR_A, CHAR_C, CHAR_K, CHAR_I, CHAR_N, CHAR_G,
+ CHAR_EXC,
+ CHAR_SPC, CHAR_SPC, CHAR_SPC,
+};
+
+struct { uint8_t width; uint32_t data; } chargen[] = {
+ { 5, 0 }, /* SPACE */
+ { 5, DATA55V (0x1f, 0x04, 0x04, 0x04, 0x1f) }, /* H */
+ { 5, DATA55V (0x07, 0x0a, 0x12, 0x0a, 0x07) }, /* A */
+ { 5, DATA55V (0x1f, 0x14, 0x14, 0x14, 0x18) }, /* P */
+ { 5, DATA55V (0x18, 0x04, 0x07, 0x04, 0x18) }, /* Y */
+ { 5, DATA55V (0x0e, 0x11, 0x11, 0x11, 0x02) }, /* C */
+ { 5, DATA55V (0x1f, 0x04, 0x0c, 0x12, 0x01) }, /* K */
+ { 3, DATA55V (0x11, 0x1f, 0x11, 0x00, 0x00) }, /* I */
+ { 5, DATA55V (0x1f, 0x08, 0x04, 0x02, 0x1f) }, /* N */
+ { 5, DATA55V (0x0e, 0x11, 0x11, 0x15, 0x06) }, /* G */
+ { 2, DATA55V (0x1d, 0x1c, 0x00, 0x00, 0x00) }, /* ! */
+};
+
+static uint8_t state = 0;
+
+#define CHECK_USER() if (user_button ()) state = 0
+
+static void
+happy_hacking (void)
+{
+ unsigned int i, j;
+
+ set_led_display (0);
+ for (i = 0; i < sizeof (hh); i++)
+ {
+ for (j = 0; j < chargen[hh[i]].width; j++)
+ {
+ CHECK_USER ();
+ scroll_led_display ((chargen[hh[i]].data >> j * 5) & 0x1f);
+ wait_for (150*1000);
+ }
+
+ CHECK_USER ();
+ scroll_led_display (0);
+ wait_for (200*1000);
+ }
+}
+
+
int
main (int argc, const char *argv[])
{
- uint8_t state = 0;
-
(void)argc;
(void)argv;
@@ -195,22 +265,24 @@ main (int argc, const char *argv[])
{
unsigned int i;
- if (state)
+ if (state == 0)
for (i = 0; i < SIZE55 (l55); i++)
{
if (user_button ())
- state = 0;
+ state = 1;
set_led_display (l55[i]);
wait_for (500*1000);
}
- else
+ else if (state == 1)
for (i = 0; i < SIZE55 (gnu); i++)
{
if (user_button ())
- state = 1;
+ state = 2;
set_led_display (gnu[i]);
- wait_for (200*1000);
+ wait_for (250*1000);
}
+ else
+ happy_hacking ();
}
return 0;
diff --git a/example-fsm-55/hh.txt b/example-fsm-55/hh.txt
index 72f51e4..49493a5 100644
--- a/example-fsm-55/hh.txt
+++ b/example-fsm-55/hh.txt
@@ -40,17 +40,17 @@ ooo
.o.
ooo
-o...o 11
-oo..o 19
-o.o.o 15
-o..oo 13
-o...o 11
-
-.ooo. 0e
-o.... 10
-o..oo 13
-o...o 11
-.ooo. 0e
+o...o
+oo..o
+o.o.o
+o..oo
+o...o
+
+.ooo.
+o....
+o..oo
+o...o
+.ooo.
oo
oo
--
cgit v1.2.3
From aeb8bd5a95051d081edc2423207319f718ae0691 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Mon, 4 Aug 2014 13:38:42 +0900
Subject: l55 and hh only.
---
example-fsm-55/Makefile | 2 +-
example-fsm-55/hacker-emblem.c | 124 +++++++++++++----------
example-fsm-55/hacker-emblem.c~ | 216 ----------------------------------------
example-fsm-55/hh.txt | 92 ++++++++---------
4 files changed, 120 insertions(+), 314 deletions(-)
delete mode 100644 example-fsm-55/hacker-emblem.c~
diff --git a/example-fsm-55/Makefile b/example-fsm-55/Makefile
index 168d50e..755639c 100644
--- a/example-fsm-55/Makefile
+++ b/example-fsm-55/Makefile
@@ -14,7 +14,7 @@ OBJCOPY = $(CROSS)objcopy
MCU = cortex-m0 # -save-temps
CWARN = -Wall -Wextra -Wstrict-prototypes
-DEFS = -DHAVE_SYS_H -DFREE_STANDING -DMHZ=48
+DEFS = -DHAVE_SYS_H -DFREE_STANDING -DMHZ=48 -DUSE_WFI_FOR_IDLE
OPT = -O3 -Os -g
LIBS =
diff --git a/example-fsm-55/hacker-emblem.c b/example-fsm-55/hacker-emblem.c
index b209ff9..bc9594e 100644
--- a/example-fsm-55/hacker-emblem.c
+++ b/example-fsm-55/hacker-emblem.c
@@ -149,39 +149,6 @@ static uint32_t l55[] = {
DATA55 (0x10, 0x0c, 0x18, 0x00, 0x00),
};
-static uint32_t gnu[] = {
- DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
- DATA55 (0x00, 0x01, 0x01, 0x01, 0x00),
- DATA55 (0x01, 0x02, 0x02, 0x02, 0x01),
- DATA55 (0x03, 0x04, 0x04, 0x04, 0x03),
- DATA55 (0x07, 0x08, 0x09, 0x08, 0x07),
- DATA55 (0x0e, 0x10, 0x13, 0x11, 0x0e),
- DATA55 (0x1c, 0x00, 0x06, 0x02, 0x1c),
- DATA55 (0x19, 0x01, 0x0d, 0x05, 0x19),
- DATA55 (0x12, 0x03, 0x1a, 0x0a, 0x12),
- DATA55 (0x04, 0x06, 0x15, 0x14, 0x04),
- DATA55 (0x08, 0x0c, 0x0a, 0x09, 0x08),
- DATA55 (0x11, 0x19, 0x15, 0x13, 0x11),
- DATA55 (0x02, 0x12, 0x0a, 0x06, 0x02),
- DATA55 (0x05, 0x05, 0x15, 0x0d, 0x04),
- DATA55 (0x0a, 0x0a, 0x0a, 0x1a, 0x09),
- DATA55 (0x14, 0x14, 0x14, 0x14, 0x13),
- DATA55 (0x08, 0x08, 0x08, 0x08, 0x07),
- DATA55 (0x11, 0x11, 0x11, 0x11, 0x0e),
- DATA55 (0x02, 0x02, 0x02, 0x02, 0x1c),
- DATA55 (0x04, 0x04, 0x04, 0x04, 0x18),
- DATA55 (0x08, 0x08, 0x08, 0x08, 0x10),
- DATA55 (0x11, 0x11, 0x11, 0x10, 0x01),
- DATA55 (0x03, 0x03, 0x03, 0x00, 0x02),
- DATA55 (0x06, 0x06, 0x06, 0x00, 0x04),
- DATA55 (0x0c, 0x0c, 0x0c, 0x00, 0x08),
- DATA55 (0x18, 0x18, 0x18, 0x00, 0x10),
- DATA55 (0x10, 0x10, 0x10, 0x00, 0x00),
- DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
- DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
- DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
-};
-
#define DATA55V(x0,x1,x2,x3,x4) (x0<<0)|(x1<<5)|(x2<<10)|(x3<< 15)|(x4<< 20)
#define CHAR_SPC 0
@@ -205,16 +172,16 @@ static uint8_t hh[] = {
};
struct { uint8_t width; uint32_t data; } chargen[] = {
- { 5, 0 }, /* SPACE */
- { 5, DATA55V (0x1f, 0x04, 0x04, 0x04, 0x1f) }, /* H */
- { 5, DATA55V (0x07, 0x0a, 0x12, 0x0a, 0x07) }, /* A */
- { 5, DATA55V (0x1f, 0x14, 0x14, 0x14, 0x18) }, /* P */
- { 5, DATA55V (0x18, 0x04, 0x07, 0x04, 0x18) }, /* Y */
- { 5, DATA55V (0x0e, 0x11, 0x11, 0x11, 0x02) }, /* C */
- { 5, DATA55V (0x1f, 0x04, 0x0c, 0x12, 0x01) }, /* K */
+ { 3, 0 }, /* SPACE */
+ { 4, DATA55V (0x1f, 0x04, 0x04, 0x1f, 0x00) }, /* H */
+ { 4, DATA55V (0x02, 0x15, 0x15, 0x0f, 0x00) }, /* A */
+ { 4, DATA55V (0x1f, 0x14, 0x14, 0x08, 0x00) }, /* P */
+ { 4, DATA55V (0x19, 0x05, 0x05, 0x1e, 0x00) }, /* Y */
+ { 4, DATA55V (0x0e, 0x11, 0x11, 0x0a, 0x00) }, /* C */
+ { 4, DATA55V (0x1f, 0x04, 0x0c, 0x13, 0x00) }, /* K */
{ 3, DATA55V (0x11, 0x1f, 0x11, 0x00, 0x00) }, /* I */
- { 5, DATA55V (0x1f, 0x08, 0x04, 0x02, 0x1f) }, /* N */
- { 5, DATA55V (0x0e, 0x11, 0x11, 0x15, 0x06) }, /* G */
+ { 4, DATA55V (0x1f, 0x08, 0x06, 0x1f, 0x00) }, /* N */
+ { 4, DATA55V (0x0e, 0x11, 0x15, 0x07, 0x00) }, /* G */
{ 2, DATA55V (0x1d, 0x1c, 0x00, 0x00, 0x00) }, /* ! */
};
@@ -244,9 +211,14 @@ happy_hacking (void)
}
+#define REPEAT_COUNT 10
+
+static void setup_scr_sleepdeep (void);
+
int
main (int argc, const char *argv[])
{
+ uint8_t count = 0;
(void)argc;
(void)argv;
@@ -264,6 +236,7 @@ main (int argc, const char *argv[])
while (1)
{
unsigned int i;
+ uint8_t state_prev = state;
if (state == 0)
for (i = 0; i < SIZE55 (l55); i++)
@@ -273,17 +246,66 @@ main (int argc, const char *argv[])
set_led_display (l55[i]);
wait_for (500*1000);
}
- else if (state == 1)
- for (i = 0; i < SIZE55 (gnu); i++)
- {
- if (user_button ())
- state = 2;
- set_led_display (gnu[i]);
- wait_for (250*1000);
- }
- else
+ if (state == 1)
happy_hacking ();
+
+ if (state_prev != state)
+ count = 0;
+ else
+ if (++count > REPEAT_COUNT)
+ break;
}
+ setup_scr_sleepdeep ();
+ for (;;)
+ asm volatile ("wfi" : : : "memory");
+
return 0;
}
+
+struct SCB
+{
+ volatile uint32_t CPUID;
+ volatile uint32_t ICSR;
+ volatile uint32_t VTOR;
+ volatile uint32_t AIRCR;
+ volatile uint32_t SCR;
+ volatile uint32_t CCR;
+ volatile uint8_t SHP[12];
+ volatile uint32_t SHCSR;
+ volatile uint32_t CFSR;
+ volatile uint32_t HFSR;
+ volatile uint32_t DFSR;
+ volatile uint32_t MMFAR;
+ volatile uint32_t BFAR;
+ volatile uint32_t AFSR;
+ volatile uint32_t PFR[2];
+ volatile uint32_t DFR;
+ volatile uint32_t ADR;
+ volatile uint32_t MMFR[4];
+ volatile uint32_t ISAR[5];
+};
+
+#define SCS_BASE (0xE000E000)
+#define SCB_BASE (SCS_BASE + 0x0D00)
+static struct SCB *const SCB = ((struct SCB *const) SCB_BASE);
+
+#define SCB_SCR_SLEEPDEEP (1 << 2)
+
+struct PWR
+{
+ volatile uint32_t CR;
+ volatile uint32_t CSR;
+};
+#define PWR_CR_PDDS 0x0002
+#define PWR_CR_CWUF 0x0004
+
+#define PWR_BASE (APBPERIPH_BASE + 0x00007000)
+#define PWR ((struct PWR *) PWR_BASE)
+
+static void setup_scr_sleepdeep (void)
+{
+ PWR->CR |= PWR_CR_CWUF;
+ PWR->CR |= PWR_CR_PDDS;
+ SCB->SCR |= SCB_SCR_SLEEPDEEP;
+}
diff --git a/example-fsm-55/hacker-emblem.c~ b/example-fsm-55/hacker-emblem.c~
deleted file mode 100644
index ddf83db..0000000
--- a/example-fsm-55/hacker-emblem.c~
+++ /dev/null
@@ -1,216 +0,0 @@
-#include <stdint.h>
-#include <stdlib.h>
-#include <chopstx.h>
-
-#include "board.h"
-
-#define PERIPH_BASE 0x40000000
-#define APBPERIPH_BASE PERIPH_BASE
-#define APB2PERIPH_BASE (PERIPH_BASE + 0x10000)
-#define AHBPERIPH_BASE (PERIPH_BASE + 0x20000)
-#define AHB2PERIPH_BASE (PERIPH_BASE + 0x08000000)
-
-struct GPIO {
- volatile uint32_t MODER;
- volatile uint16_t OTYPER;
- uint16_t dummy0;
- volatile uint32_t OSPEEDR;
- volatile uint32_t PUPDR;
- volatile uint16_t IDR;
- uint16_t dummy1;
- volatile uint16_t ODR;
- uint16_t dummy2;
- volatile uint16_t BSRR;
- uint16_t dummy3;
- volatile uint32_t LCKR;
- volatile uint32_t AFR[2];
- volatile uint16_t BRR;
- uint16_t dummy4;
-};
-#define GPIOA_BASE (AHB2PERIPH_BASE + 0x0000)
-#define GPIOA ((struct GPIO *) GPIOA_BASE)
-#define GPIOF_BASE (AHB2PERIPH_BASE + 0x1400)
-#define GPIOF ((struct GPIO *) GPIOF_BASE)
-
-static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
-static struct GPIO *const GPIO_OTHER = ((struct GPIO *const) GPIO_OTHER_BASE);
-
-static chopstx_mutex_t mtx;
-static chopstx_cond_t cnd0;
-
-static uint8_t
-user_button (void)
-{
- return (GPIO_OTHER->IDR & 1) == 0;
-}
-
-static uint8_t l_data[5];
-
-static void
-set_led_display (uint32_t data)
-{
- l_data[0] = (data >> 0) & 0x1f;
- l_data[1] = (data >> 5) & 0x1f;
- l_data[2] = (data >> 10) & 0x1f;
- l_data[3] = (data >> 15) & 0x1f;
- l_data[4] = (data >> 20) & 0x1f;
-}
-
-
-static void
-wait_for (uint32_t usec)
-{
- chopstx_usec_wait (usec);
-}
-
-static void
-led_prepare_row (uint8_t col)
-{
- uint16_t data = 0x1f;
-
- data |= ((l_data[0] & (1 << col)) ? 1 : 0) << 5;
- data |= ((l_data[1] & (1 << col)) ? 1 : 0) << 6;
- data |= ((l_data[2] & (1 << col)) ? 1 : 0) << 7;
- data |= ((l_data[3] & (1 << col)) ? 1 : 0) << 9;
- data |= ((l_data[4] & (1 << col)) ? 1 : 0) << 10;
- GPIO_LED->ODR = data;
-}
-
-static void
-led_enable_column (uint8_t col)
-{
- GPIO_LED->BRR = (1 << col);
-}
-
-static void *
-led (void *arg)
-{
- (void)arg;
-
- chopstx_mutex_lock (&mtx);
- chopstx_cond_wait (&cnd0, &mtx);
- chopstx_mutex_unlock (&mtx);
-
- while (1)
- {
- int i;
-
- for (i = 0; i < 5; i++)
- {
- led_prepare_row (i);
- led_enable_column (i);
- wait_for (1000);
- }
- }
-
- return NULL;
-}
-
-#define PRIO_LED 3
-
-extern uint8_t __process1_stack_base__, __process1_stack_size__;
-
-const uint32_t __stackaddr_led = (uint32_t)&__process1_stack_base__;
-const size_t __stacksize_led = (size_t)&__process1_stack_size__;
-
-#define DATA55(x0,x1,x2,x3,x4) (x0<<20)|(x1<<15)|(x2<<10)|(x3<< 5)|(x4<< 0)
-
-static uint32_t l55[20] = {
- DATA55 (0x08, 0x04, 0x1c, 0x00, 0x00),
- DATA55 (0x00, 0x14, 0x0c, 0x08, 0x00),
- DATA55 (0x00, 0x04, 0x14, 0x0c, 0x00),
- DATA55 (0x00, 0x08, 0x06, 0x0c, 0x00),
- DATA55 (0x00, 0x04, 0x02, 0x0e, 0x00),
- DATA55 (0x00, 0x00, 0x0a, 0x06, 0x04),
- DATA55 (0x00, 0x00, 0x02, 0x0a, 0x06),
- DATA55 (0x00, 0x00, 0x04, 0x03, 0x06),
- DATA55 (0x00, 0x00, 0x02, 0x01, 0x07),
- DATA55 (0x02, 0x00, 0x00, 0x05, 0x03),
- DATA55 (0x03, 0x00, 0x00, 0x01, 0x05),
- DATA55 (0x03, 0x00, 0x00, 0x02, 0x11),
- DATA55 (0x13, 0x00, 0x00, 0x01, 0x10),
- DATA55 (0x11, 0x01, 0x00, 0x00, 0x12),
- DATA55 (0x12, 0x11, 0x00, 0x00, 0x10),
- DATA55 (0x18, 0x11, 0x00, 0x00, 0x01),
- DATA55 (0x08, 0x19, 0x00, 0x00, 0x10),
- DATA55 (0x09, 0x18, 0x10, 0x00, 0x00),
- DATA55 (0x08, 0x09, 0x18, 0x00, 0x00),
- DATA55 (0x10, 0x0c, 0x18, 0x00, 0x00),
-};
-
-static uint32_t gnu[30] = {
- DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
- DATA55 (0x00, 0x01, 0x01, 0x01, 0x00),
- DATA55 (0x01, 0x02, 0x02, 0x02, 0x01),
- DATA55 (0x03, 0x04, 0x04, 0x04, 0x03),
- DATA55 (0x07, 0x08, 0x09, 0x08, 0x07),
- DATA55 (0x0e, 0x10, 0x13, 0x11, 0x0e),
- DATA55 (0x1c, 0x00, 0x06, 0x02, 0x1c),
- DATA55 (0x19, 0x01, 0x0d, 0x05, 0x19),
- DATA55 (0x12, 0x03, 0x1a, 0x0a, 0x12),
- DATA55 (0x04, 0x06, 0x15, 0x14, 0x04),
- DATA55 (0x08, 0x0c, 0x0a, 0x09, 0x08),
- DATA55 (0x11, 0x19, 0x15, 0x13, 0x11),
- DATA55 (0x02, 0x12, 0x0a, 0x06, 0x02),
- DATA55 (0x05, 0x05, 0x15, 0x0d, 0x04),
- DATA55 (0x0a, 0x0a, 0x0a, 0x1a, 0x09),
- DATA55 (0x14, 0x14, 0x14, 0x14, 0x13),
- DATA55 (0x08, 0x08, 0x08, 0x08, 0x07),
- DATA55 (0x11, 0x11, 0x11, 0x11, 0x0e),
- DATA55 (0x02, 0x02, 0x02, 0x02, 0x1c),
- DATA55 (0x04, 0x04, 0x04, 0x04, 0x18),
- DATA55 (0x08, 0x08, 0x08, 0x08, 0x10),
- DATA55 (0x11, 0x11, 0x11, 0x10, 0x01),
- DATA55 (0x03, 0x03, 0x03, 0x00, 0x02),
- DATA55 (0x06, 0x06, 0x06, 0x00, 0x04),
- DATA55 (0x0c, 0x0c, 0x0c, 0x00, 0x08),
- DATA55 (0x18, 0x18, 0x18, 0x00, 0x10),
- DATA55 (0x10, 0x10, 0x10, 0x00, 0x00),
- DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
- DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
- DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
-};
-
-int
-main (int argc, const char *argv[])
-{
- uint8_t state = 0;
-
- (void)argc;
- (void)argv;
-
- chopstx_mutex_init (&mtx);
- chopstx_cond_init (&cnd0);
-
- chopstx_create (PRIO_LED, __stackaddr_led, __stacksize_led, led, NULL);
-
- chopstx_usec_wait (200*1000);
-
- chopstx_mutex_lock (&mtx);
- chopstx_cond_signal (&cnd0);
- chopstx_mutex_unlock (&mtx);
-
- while (1)
- {
- int i;
-
- if (state)
- for (i = 0; i < 20; i++)
- {
- if (user_button ())
- state = 0;
- set_led_display (l55[i]);
- wait_for (500*1000);
- }
- else
- for (i = 0; i < 30; i++)
- {
- if (user_button ())
- state = 1;
- set_led_display (gnu[i]);
- wait_for (200*1000);
- }
- }
-
- return 0;
-}
diff --git a/example-fsm-55/hh.txt b/example-fsm-55/hh.txt
index 49493a5..c9c60fc 100644
--- a/example-fsm-55/hh.txt
+++ b/example-fsm-55/hh.txt
@@ -1,38 +1,38 @@
-o...o
-o...o
-ooooo
-o...o
-o...o
-
-..o.
-.o.o.
-o...o
-ooooo
-o...o
-
-ooooo
-o...o
-oooo.
-o....
-o....
-
-o...o
-o...o
-.ooo.
-..o..
-..o..
-
-.ooo.
-o....
-o....
-o...o
-.ooo.
-
-o..o.
-o.o..
-ooo..
-o..o.
-o...o
+o..o
+o..o
+oooo
+o..o
+o..o
+
+.oo.
+...o
+.ooo
+o..o
+.ooo
+
+ooo.
+o..o
+ooo.
+o...
+o...
+
+o..o
+o..o
+.ooo
+...o
+ooo.
+
+.oo.
+o..o
+o...
+o..o
+.oo.
+
+o..o
+o.o.
+ooo.
+o..o
+o..o
ooo
.o.
@@ -40,17 +40,17 @@ ooo
.o.
ooo
-o...o
-oo..o
-o.o.o
-o..oo
-o...o
-
-.ooo.
-o....
-o..oo
-o...o
-.ooo.
+o..o
+oo.o
+o.oo
+o.oo
+o..o
+
+.oo.
+o...
+o.oo
+o..o
+.ooo
oo
oo
--
cgit v1.2.3
From 98e25c1cb2e2aafdc6d06398883e5d4ef026efe4 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Mon, 4 Aug 2014 14:19:13 +0900
Subject: Add GNU as hidden command.
---
example-fsm-55/gnu.txt | 233 ++++++++++-------------------------------
example-fsm-55/hacker-emblem.c | 70 +++++++++++--
example-fsm-55/hh.txt | 10 +-
3 files changed, 119 insertions(+), 194 deletions(-)
diff --git a/example-fsm-55/gnu.txt b/example-fsm-55/gnu.txt
index feb789a..974c8a8 100644
--- a/example-fsm-55/gnu.txt
+++ b/example-fsm-55/gnu.txt
@@ -1,179 +1,54 @@
-_____ 00
-_____ 00
-_____ 00
-_____ 00
-_____ 00
-
-_____ 00
-____* 01
-____* 01
-____* 01
-_____ 00
-
-____* 01
-___*_ 02
-___*_ 02
-___*_ 02
-____* 01
-
-___** 03
-__*__ 04
-__*__ 04
-__*__ 04
-___** 03
-
-__*** 07
-_*___ 08
-_*__* 09
-_*___ 08
-__*** 07
-
-_***_ 0e
-*____ 10
-*__** 13
-*___* 11
-_***_ 0e
-
-***__ 1c
-_____ 00
-__**_ 06
-___*_ 02
-***__ 1c
-
-**__* 19
-____* 01
-_**_* 0d
-__*_* 05
-**__* 19
-
-*__*_ 12
- __** 03
-**_*_ 1a
-_*_*_ 0a
-*__*_ 12
-
-__*__ 04
- _**_ 06
-*_*_* 15
-*_*__ 14
-__*__ 04
-
-_*___ 08
-_**__ 0c
-_*_*_ 0a
-_*__* 09
-_*___ 08
-
-*___* 11
-**__* 19
-*_*_* 15
-*__** 13
-*___* 11
-
-___*_ 02
-*__*_ 12
-_*_*_ 0a
-__**_ 06
-___*_ 02
-
-__*_* 05
-__*_* 05
-*_*_* 15
-_**_* 0d
-__*__ 04
-
-_*_*_ 0a
-_*_*_ 0a
-_*_*_ 0a
-**_*_ 1a
-_*__* 09
-
-*_*__ 14
-*_*__ 14
-*_*__ 14
-*_*__ 14
-*__** 13
-
-_*___ 08
-_*___ 08
-_*___ 08
-_*___ 08
-__*** 07
-
-*___* 11
-*___* 11
-*___* 11
-*___* 11
-_***_ 0e
-
-___*_ 02
-___*_ 02
-___*_ 02
-___*_ 02
-***__ 1c
-
-__*__ 04
-__*__ 04
-__*__ 04
-__*__ 04
-**___ 18
-
-_*___ 08
-_*___ 08
-_*___ 08
-_*___ 08
-*____ 10
-
-*___* 11
-*___* 11
-*___* 11
-*____ 10
-____* 01
-
-___** 03
-___** 03
-___** 03
-_____ 00
-___*_ 02
-
-__**_ 06
-__**_ 06
-__**_ 06
-_____ 00
-__*__ 04
-
-_**__ 0c
-_**__ 0c
-_**__ 0c
-_____ 00
-_*___ 08
-
-**___ 18
-**___ 18
-**___ 18
-_____ 00
-*____ 10
-
-*____ 10
-*____ 10
-*____ 10
-_____ 00
-_____ 00
-
-_____ 00
-_____ 00
-_____ 00
-_____ 00
-_____ 00
-
-_____ 00
-_____ 00
-_____ 00
-_____ 00
-_____ 00
-
-_____ 00
-_____ 00
-_____ 00
-_____ 00
-_____ 00
+o...o
+o.o.o
+o.o.o
+o.o.o
+.o.o.
+
+o..
+o..
+ooo
+o.o
+o.o
+
+.o..
+oooo
+.o..
+.o..
+..oo
+
+.oo
+.oo
+o..
+...
+...
+
+....
+.ooo
+o...
+.oo.
+...o
+ooo.
+
+o..o
+o..o
+o..o
+o..o
+.oo.
+
+.oo.
+o..o
+..o.
+....
+..o.
+
+....
+.oo.
+o..o
+o..o
+.oo.
+
+o...o
+.o.o.
+..o..
+.o.o.
+o...o
diff --git a/example-fsm-55/hacker-emblem.c b/example-fsm-55/hacker-emblem.c
index bc9594e..bcd5c08 100644
--- a/example-fsm-55/hacker-emblem.c
+++ b/example-fsm-55/hacker-emblem.c
@@ -162,6 +162,15 @@ static uint32_t l55[] = {
#define CHAR_N 8
#define CHAR_G 9
#define CHAR_EXC 10
+#define CHAR_W 11
+#define CHAR_h 12
+#define CHAR_t 13
+#define CHAR_AP 14
+#define CHAR_s 15
+#define CHAR_U 16
+#define CHAR_QT 17
+#define CHAR_o 18
+#define CHAR_X 19
static uint8_t hh[] = {
CHAR_H, CHAR_A, CHAR_P, CHAR_P, CHAR_Y,
@@ -171,10 +180,21 @@ static uint8_t hh[] = {
CHAR_SPC, CHAR_SPC, CHAR_SPC,
};
+static uint8_t gnu[] = {
+ CHAR_W, CHAR_h, CHAR_A, CHAR_t, CHAR_AP, CHAR_s, CHAR_SPC,
+ CHAR_G, CHAR_N, CHAR_U, CHAR_QT,
+ CHAR_SPC, CHAR_SPC,
+ CHAR_G, CHAR_N, CHAR_U, CHAR_AP, CHAR_s, CHAR_SPC,
+ CHAR_N, CHAR_o, CHAR_t, CHAR_SPC,
+ CHAR_U, CHAR_N, CHAR_I, CHAR_X,
+ CHAR_EXC,
+ CHAR_SPC, CHAR_SPC,
+};
+
struct { uint8_t width; uint32_t data; } chargen[] = {
{ 3, 0 }, /* SPACE */
{ 4, DATA55V (0x1f, 0x04, 0x04, 0x1f, 0x00) }, /* H */
- { 4, DATA55V (0x02, 0x15, 0x15, 0x0f, 0x00) }, /* A */
+ { 3, DATA55V (0x17, 0x15, 0x0f, 0x00, 0x00) }, /* A */
{ 4, DATA55V (0x1f, 0x14, 0x14, 0x08, 0x00) }, /* P */
{ 4, DATA55V (0x19, 0x05, 0x05, 0x1e, 0x00) }, /* Y */
{ 4, DATA55V (0x0e, 0x11, 0x11, 0x0a, 0x00) }, /* C */
@@ -183,6 +203,15 @@ struct { uint8_t width; uint32_t data; } chargen[] = {
{ 4, DATA55V (0x1f, 0x08, 0x06, 0x1f, 0x00) }, /* N */
{ 4, DATA55V (0x0e, 0x11, 0x15, 0x07, 0x00) }, /* G */
{ 2, DATA55V (0x1d, 0x1c, 0x00, 0x00, 0x00) }, /* ! */
+ { 5, DATA55V (0x1e, 0x01, 0x0e, 0x01, 0x1e) }, /* W */
+ { 3, DATA55V (0x1f, 0x04, 0x07, 0x00, 0x00) }, /* h */
+ { 4, DATA55V (0x08, 0x1e, 0x09, 0x09, 0x00) }, /* t */
+ { 3, DATA55V (0x04, 0x18, 0x18, 0x00, 0x00) }, /* ' */
+ { 4, DATA55V (0x09, 0x15, 0x15, 0x12, 0x00) }, /* s */
+ { 4, DATA55V (0x1e, 0x01, 0x01, 0x1e, 0x00) }, /* U */
+ { 4, DATA55V (0x08, 0x10, 0x15, 0x08, 0x00) }, /* ? */
+ { 4, DATA55V (0x06, 0x09, 0x09, 0x06, 0x00) }, /* o */
+ { 5, DATA55V (0x11, 0x0a, 0x04, 0x0a, 0x11) }, /* X */
};
static uint8_t state = 0;
@@ -190,23 +219,36 @@ static uint8_t state = 0;
#define CHECK_USER() if (user_button ()) state = 0
static void
-happy_hacking (void)
+text_display (uint8_t kind)
{
unsigned int i, j;
+ uint8_t *text;
+ uint8_t len;
+
+ if (kind)
+ {
+ text = hh;
+ len = sizeof (hh);
+ }
+ else
+ {
+ text = gnu;
+ len = sizeof (gnu);
+ }
set_led_display (0);
- for (i = 0; i < sizeof (hh); i++)
+ for (i = 0; i < len; i++)
{
- for (j = 0; j < chargen[hh[i]].width; j++)
+ for (j = 0; j < chargen[text[i]].width; j++)
{
CHECK_USER ();
- scroll_led_display ((chargen[hh[i]].data >> j * 5) & 0x1f);
- wait_for (150*1000);
+ scroll_led_display ((chargen[text[i]].data >> j * 5) & 0x1f);
+ wait_for (120*1000);
}
CHECK_USER ();
scroll_led_display (0);
- wait_for (200*1000);
+ wait_for (120*1000);
}
}
@@ -219,6 +261,7 @@ int
main (int argc, const char *argv[])
{
uint8_t count = 0;
+ uint8_t happy = 1;
(void)argc;
(void)argv;
@@ -233,6 +276,13 @@ main (int argc, const char *argv[])
chopstx_cond_signal (&cnd0);
chopstx_mutex_unlock (&mtx);
+ if (user_button ())
+ {
+ while (user_button ());
+ happy = 0;
+ state = 1;
+ }
+
while (1)
{
unsigned int i;
@@ -244,10 +294,10 @@ main (int argc, const char *argv[])
if (user_button ())
state = 1;
set_led_display (l55[i]);
- wait_for (500*1000);
+ wait_for (350*1000);
}
- if (state == 1)
- happy_hacking ();
+ else if (state == 1)
+ text_display (happy);
if (state_prev != state)
count = 0;
diff --git a/example-fsm-55/hh.txt b/example-fsm-55/hh.txt
index c9c60fc..95b2bbe 100644
--- a/example-fsm-55/hh.txt
+++ b/example-fsm-55/hh.txt
@@ -4,11 +4,11 @@ oooo
o..o
o..o
-.oo.
-...o
-.ooo
-o..o
-.ooo
+oo.
+..o
+ooo
+o.o
+ooo
ooo.
o..o
--
cgit v1.2.3
From f4fb26a56ae0ce2d09d8245fac3b6023882f27b6 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Mon, 11 Aug 2014 16:00:03 +0900
Subject: add button thread and join on exit.
---
example-fsm-55/hacker-emblem.c | 85 ++++++++++++++++++++++++++++++++++++++----
1 file changed, 78 insertions(+), 7 deletions(-)
diff --git a/example-fsm-55/hacker-emblem.c b/example-fsm-55/hacker-emblem.c
index bcd5c08..c87ff9c 100644
--- a/example-fsm-55/hacker-emblem.c
+++ b/example-fsm-55/hacker-emblem.c
@@ -4,6 +4,8 @@
#include "board.h"
+static uint8_t main_finished;
+
#define PERIPH_BASE 0x40000000
#define APBPERIPH_BASE PERIPH_BASE
#define APB2PERIPH_BASE (PERIPH_BASE + 0x10000)
@@ -36,14 +38,18 @@ static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
static struct GPIO *const GPIO_OTHER = ((struct GPIO *const) GPIO_OTHER_BASE);
static chopstx_mutex_t mtx;
-static chopstx_cond_t cnd0;
+static chopstx_cond_t cnd0, cnd1;
+
+#define BUTTON_PUSHED 1
+static uint8_t button_state;
static uint8_t
user_button (void)
{
- return (GPIO_OTHER->IDR & 1) == 0;
+ return button_state;
}
+
static uint8_t l_data[5];
static void
@@ -86,6 +92,12 @@ led_prepare_row (uint8_t col)
GPIO_LED->ODR = data;
}
+static void
+led_prepare_row_full (void)
+{
+ GPIO_LED->ODR = 0x06ff;
+}
+
static void
led_enable_column (uint8_t col)
{
@@ -101,28 +113,76 @@ led (void *arg)
chopstx_cond_wait (&cnd0, &mtx);
chopstx_mutex_unlock (&mtx);
- while (1)
+ while (!main_finished)
{
int i;
+ int display_full = user_button ();
for (i = 0; i < 5; i++)
{
- led_prepare_row (i);
+ if (display_full)
+ led_prepare_row_full ();
+ else
+ led_prepare_row (i);
led_enable_column (i);
wait_for (1000);
}
}
+ GPIO_LED->ODR = 0x0000; /* Off all LEDs. */
+ GPIO_LED->OSPEEDR = 0;
+ GPIO_LED->OTYPER = 0;
+ GPIO_LED->MODER = 0; /* Input mode. */
+ GPIO_OTHER->PUPDR = 0x0000; /* No pull-up. */
+
+ return NULL;
+}
+
+
+static uint8_t get_button_sw (void) { return (GPIO_OTHER->IDR & 1) == 0; }
+
+static void *
+button (void *arg)
+{
+ uint8_t last_button = 0;
+
+ (void)arg;
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_wait (&cnd1, &mtx);
+ chopstx_mutex_unlock (&mtx);
+
+ while (!main_finished)
+ {
+ uint8_t button = get_button_sw ();
+
+ if (last_button == button && button != button_state)
+ {
+ wait_for (1000);
+ button = get_button_sw ();
+ if (last_button == button)
+ button_state = button;
+ }
+
+ wait_for (2000);
+ last_button = button;
+ }
+
return NULL;
}
#define PRIO_LED 3
+#define PRIO_BUTTON 2
extern uint8_t __process1_stack_base__, __process1_stack_size__;
+extern uint8_t __process2_stack_base__, __process2_stack_size__;
const uint32_t __stackaddr_led = (uint32_t)&__process1_stack_base__;
const size_t __stacksize_led = (size_t)&__process1_stack_size__;
+const uint32_t __stackaddr_button = (uint32_t)&__process2_stack_base__;
+const size_t __stacksize_button = (size_t)&__process2_stack_size__;
+
#define DATA55(x0,x1,x2,x3,x4) (x0<<20)|(x1<<15)|(x2<<10)|(x3<< 5)|(x4<< 0)
#define SIZE55(img) (sizeof (img) / sizeof (uint32_t))
@@ -260,6 +320,8 @@ static void setup_scr_sleepdeep (void);
int
main (int argc, const char *argv[])
{
+ chopstx_t led_thd;
+ chopstx_t button_thd;
uint8_t count = 0;
uint8_t happy = 1;
(void)argc;
@@ -267,18 +329,23 @@ main (int argc, const char *argv[])
chopstx_mutex_init (&mtx);
chopstx_cond_init (&cnd0);
+ chopstx_cond_init (&cnd1);
- chopstx_create (PRIO_LED, __stackaddr_led, __stacksize_led, led, NULL);
+ led_thd = chopstx_create (PRIO_LED, __stackaddr_led,
+ __stacksize_led, led, NULL);
+ button_thd = chopstx_create (PRIO_BUTTON, __stackaddr_button,
+ __stacksize_button, button, NULL);
chopstx_usec_wait (200*1000);
chopstx_mutex_lock (&mtx);
chopstx_cond_signal (&cnd0);
+ chopstx_cond_signal (&cnd1);
chopstx_mutex_unlock (&mtx);
- if (user_button ())
+ if (get_button_sw ())
{
- while (user_button ());
+ while (get_button_sw ());
happy = 0;
state = 1;
}
@@ -306,6 +373,10 @@ main (int argc, const char *argv[])
break;
}
+ main_finished = 1;
+ chopstx_join (button_thd, NULL);
+ chopstx_join (led_thd, NULL);
+
setup_scr_sleepdeep ();
for (;;)
asm volatile ("wfi" : : : "memory");
--
cgit v1.2.3
From 1fcfc846b80f5ac75ca04d6c23effd0add9c0867 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Mon, 18 Aug 2014 14:13:26 +0900
Subject: Button pushed, then another demo.
---
example-fsm-55/hacker-emblem.c | 123 ++++++++++++++++++++++++-----------------
1 file changed, 73 insertions(+), 50 deletions(-)
diff --git a/example-fsm-55/hacker-emblem.c b/example-fsm-55/hacker-emblem.c
index c87ff9c..b8e7409 100644
--- a/example-fsm-55/hacker-emblem.c
+++ b/example-fsm-55/hacker-emblem.c
@@ -51,6 +51,7 @@ user_button (void)
static uint8_t l_data[5];
+#define LED_FULL ((0x1f << 20)|(0x1f << 15)|(0x1f << 10)|(0x1f << 5)|0x1f)
static void
set_led_display (uint32_t data)
@@ -92,11 +93,6 @@ led_prepare_row (uint8_t col)
GPIO_LED->ODR = data;
}
-static void
-led_prepare_row_full (void)
-{
- GPIO_LED->ODR = 0x06ff;
-}
static void
led_enable_column (uint8_t col)
@@ -116,14 +112,10 @@ led (void *arg)
while (!main_finished)
{
int i;
- int display_full = user_button ();
for (i = 0; i < 5; i++)
{
- if (display_full)
- led_prepare_row_full ();
- else
- led_prepare_row (i);
+ led_prepare_row (i);
led_enable_column (i);
wait_for (1000);
}
@@ -274,16 +266,43 @@ struct { uint8_t width; uint32_t data; } chargen[] = {
{ 5, DATA55V (0x11, 0x0a, 0x04, 0x0a, 0x11) }, /* X */
};
-static uint8_t state = 0;
-#define CHECK_USER() if (user_button ()) state = 0
+#define REPEAT_COUNT 10
+
+static int
+life_display (void)
+{
+ unsigned int i;
+ uint8_t count = 0;
+ uint8_t state = 0;
-static void
+ while (count++ < REPEAT_COUNT)
+ for (i = 0; i < SIZE55 (l55); i++)
+ {
+ if (user_button ())
+ {
+ set_led_display (LED_FULL);
+ state = 1;
+ }
+ else if (state == 1)
+ return 0;
+ else
+ set_led_display (l55[i]);
+ wait_for (350*1000);
+ }
+
+ return 1;
+}
+
+
+static int
text_display (uint8_t kind)
{
unsigned int i, j;
uint8_t *text;
uint8_t len;
+ uint8_t count = 0;
+ uint8_t state = 0;
if (kind)
{
@@ -297,24 +316,39 @@ text_display (uint8_t kind)
}
set_led_display (0);
- for (i = 0; i < len; i++)
- {
- for (j = 0; j < chargen[text[i]].width; j++)
- {
- CHECK_USER ();
- scroll_led_display ((chargen[text[i]].data >> j * 5) & 0x1f);
- wait_for (120*1000);
- }
+ while (count++ < REPEAT_COUNT)
+ for (i = 0; i < len; i++)
+ {
+ for (j = 0; j < chargen[text[i]].width; j++)
+ {
+ if (user_button ())
+ {
+ set_led_display (LED_FULL);
+ state = 1;
+ }
+ else if (state == 1)
+ return 0;
+ else
+ scroll_led_display ((chargen[text[i]].data >> j * 5) & 0x1f);
+ wait_for (120*1000);
+ }
- CHECK_USER ();
- scroll_led_display (0);
- wait_for (120*1000);
- }
+ if (user_button ())
+ {
+ set_led_display (LED_FULL);
+ state = 1;
+ }
+ else if (state == 1)
+ return 0;
+ else
+ scroll_led_display (0);
+ wait_for (120*1000);
+ }
+
+ return 1;
}
-#define REPEAT_COUNT 10
-
static void setup_scr_sleepdeep (void);
int
@@ -322,7 +356,6 @@ main (int argc, const char *argv[])
{
chopstx_t led_thd;
chopstx_t button_thd;
- uint8_t count = 0;
uint8_t happy = 1;
(void)argc;
(void)argv;
@@ -343,34 +376,24 @@ main (int argc, const char *argv[])
chopstx_cond_signal (&cnd1);
chopstx_mutex_unlock (&mtx);
- if (get_button_sw ())
+ wait_for (100*1000);
+ if (user_button ())
{
- while (get_button_sw ());
+ /* Wait button release. */
+ while (user_button ())
+ wait_for (100*1000);
+
happy = 0;
- state = 1;
+ goto do_text;
}
while (1)
{
- unsigned int i;
- uint8_t state_prev = state;
-
- if (state == 0)
- for (i = 0; i < SIZE55 (l55); i++)
- {
- if (user_button ())
- state = 1;
- set_led_display (l55[i]);
- wait_for (350*1000);
- }
- else if (state == 1)
- text_display (happy);
-
- if (state_prev != state)
- count = 0;
- else
- if (++count > REPEAT_COUNT)
- break;
+ if (life_display ())
+ break;
+ do_text:
+ if (text_display (happy))
+ break;
}
main_finished = 1;
--
cgit v1.2.3
From 5f4cca00fcd84ee778d2397c700cad8249359486 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Mon, 25 Aug 2014 01:39:26 +0900
Subject: It should be BSS section not to output data to .hex.
---
entry.c | 2 +-
example-fsm-55/hacker-emblem.ld | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/entry.c b/entry.c
index 0036a3a..1170c6a 100644
--- a/entry.c
+++ b/entry.c
@@ -420,7 +420,7 @@ static void none (void)
#define COMPOSE_STATEMENT(arg0,arg1,arg2) C_S_SUB (arg0, arg1, arg2)
#if MCU_STM32F0
-__attribute__ ((used,section(".data.startup.0")))
+__attribute__ ((used,section(".bss.startup.0")))
uint32_t vectors_in_ram[48];
#endif
diff --git a/example-fsm-55/hacker-emblem.ld b/example-fsm-55/hacker-emblem.ld
index 07761e0..bce4e00 100644
--- a/example-fsm-55/hacker-emblem.ld
+++ b/example-fsm-55/hacker-emblem.ld
@@ -88,7 +88,7 @@ SECTIONS
{
. = ALIGN(8);
__vector_ram_addr__ = .;
- KEEP(*(.data.startup.*))
+ KEEP(*(.bss.startup.*))
} > ram
.process_stack :
--
cgit v1.2.3
From b0992073d73408b38baa560c398a9042378b3c7e Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Mon, 25 Aug 2014 10:35:04 +0900
Subject: Add debian-logo.c (from Portland).
---
example-fsm-55/debian-logo.c | 473 ++++++++++++++++++++++++++++++++
example-fsm-55/debian-logo.txt | 594 +++++++++++++++++++++++++++++++++++++++++
example-fsm-55/hacker-emblem.c | 456 +------------------------------
example-fsm-55/hh.c | 461 ++++++++++++++++++++++++++++++++
4 files changed, 1529 insertions(+), 455 deletions(-)
create mode 100644 example-fsm-55/debian-logo.c
create mode 100644 example-fsm-55/debian-logo.txt
mode change 100644 => 120000 example-fsm-55/hacker-emblem.c
create mode 100644 example-fsm-55/hh.c
diff --git a/example-fsm-55/debian-logo.c b/example-fsm-55/debian-logo.c
new file mode 100644
index 0000000..a3f78fd
--- /dev/null
+++ b/example-fsm-55/debian-logo.c
@@ -0,0 +1,473 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <chopstx.h>
+
+#include "board.h"
+
+static uint8_t main_finished;
+
+#define PERIPH_BASE 0x40000000
+#define APBPERIPH_BASE PERIPH_BASE
+#define APB2PERIPH_BASE (PERIPH_BASE + 0x10000)
+#define AHBPERIPH_BASE (PERIPH_BASE + 0x20000)
+#define AHB2PERIPH_BASE (PERIPH_BASE + 0x08000000)
+
+struct GPIO {
+ volatile uint32_t MODER;
+ volatile uint16_t OTYPER;
+ uint16_t dummy0;
+ volatile uint32_t OSPEEDR;
+ volatile uint32_t PUPDR;
+ volatile uint16_t IDR;
+ uint16_t dummy1;
+ volatile uint16_t ODR;
+ uint16_t dummy2;
+ volatile uint16_t BSRR;
+ uint16_t dummy3;
+ volatile uint32_t LCKR;
+ volatile uint32_t AFR[2];
+ volatile uint16_t BRR;
+ uint16_t dummy4;
+};
+#define GPIOA_BASE (AHB2PERIPH_BASE + 0x0000)
+#define GPIOA ((struct GPIO *) GPIOA_BASE)
+#define GPIOF_BASE (AHB2PERIPH_BASE + 0x1400)
+#define GPIOF ((struct GPIO *) GPIOF_BASE)
+
+static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
+static struct GPIO *const GPIO_OTHER = ((struct GPIO *const) GPIO_OTHER_BASE);
+
+static chopstx_mutex_t mtx;
+static chopstx_cond_t cnd0, cnd1;
+
+#define BUTTON_PUSHED 1
+static uint8_t button_state;
+
+static uint8_t
+user_button (void)
+{
+ return button_state;
+}
+
+
+static uint8_t l_data[5];
+#define LED_FULL ((0x1f << 20)|(0x1f << 15)|(0x1f << 10)|(0x1f << 5)|0x1f)
+
+static void
+set_led_display (uint32_t data)
+{
+ l_data[0] = (data >> 0) & 0x1f;
+ l_data[1] = (data >> 5) & 0x1f;
+ l_data[2] = (data >> 10) & 0x1f;
+ l_data[3] = (data >> 15) & 0x1f;
+ l_data[4] = (data >> 20) & 0x1f;
+}
+
+static void
+scroll_led_display (uint8_t row)
+{
+ l_data[0] = (l_data[0] << 1) | ((row >> 0) & 1);
+ l_data[1] = (l_data[1] << 1) | ((row >> 1) & 1);
+ l_data[2] = (l_data[2] << 1) | ((row >> 2) & 1);
+ l_data[3] = (l_data[3] << 1) | ((row >> 3) & 1);
+ l_data[4] = (l_data[4] << 1) | ((row >> 4) & 1);
+}
+
+
+static void
+wait_for (uint32_t usec)
+{
+ chopstx_usec_wait (usec);
+}
+
+static void
+led_prepare_row (uint8_t col)
+{
+ uint16_t data = 0x1f;
+
+ data |= ((l_data[0] & (1 << col)) ? 1 : 0) << 5;
+ data |= ((l_data[1] & (1 << col)) ? 1 : 0) << 6;
+ data |= ((l_data[2] & (1 << col)) ? 1 : 0) << 7;
+ data |= ((l_data[3] & (1 << col)) ? 1 : 0) << 9;
+ data |= ((l_data[4] & (1 << col)) ? 1 : 0) << 10;
+ GPIO_LED->ODR = data;
+}
+
+
+static void
+led_enable_column (uint8_t col)
+{
+ GPIO_LED->BRR = (1 << col);
+}
+
+static void *
+led (void *arg)
+{
+ (void)arg;
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_wait (&cnd0, &mtx);
+ chopstx_mutex_unlock (&mtx);
+
+ while (!main_finished)
+ {
+ int i;
+
+ for (i = 0; i < 5; i++)
+ {
+ led_prepare_row (i);
+ led_enable_column (i);
+ wait_for (1000);
+ }
+ }
+
+ GPIO_LED->ODR = 0x0000; /* Off all LEDs. */
+ GPIO_LED->OSPEEDR = 0;
+ GPIO_LED->OTYPER = 0;
+ GPIO_LED->MODER = 0; /* Input mode. */
+ GPIO_OTHER->PUPDR = 0x0000; /* No pull-up. */
+
+ return NULL;
+}
+
+
+static uint8_t get_button_sw (void) { return (GPIO_OTHER->IDR & 1) == 0; }
+
+static void *
+button (void *arg)
+{
+ uint8_t last_button = 0;
+
+ (void)arg;
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_wait (&cnd1, &mtx);
+ chopstx_mutex_unlock (&mtx);
+
+ while (!main_finished)
+ {
+ uint8_t button = get_button_sw ();
+
+ if (last_button == button && button != button_state)
+ {
+ wait_for (1000);
+ button = get_button_sw ();
+ if (last_button == button)
+ button_state = button;
+ }
+
+ wait_for (2000);
+ last_button = button;
+ }
+
+ return NULL;
+}
+
+#define PRIO_LED 3
+#define PRIO_BUTTON 2
+
+extern uint8_t __process1_stack_base__, __process1_stack_size__;
+extern uint8_t __process2_stack_base__, __process2_stack_size__;
+
+const uint32_t __stackaddr_led = (uint32_t)&__process1_stack_base__;
+const size_t __stacksize_led = (size_t)&__process1_stack_size__;
+
+const uint32_t __stackaddr_button = (uint32_t)&__process2_stack_base__;
+const size_t __stacksize_button = (size_t)&__process2_stack_size__;
+
+#define DATA55(x0,x1,x2,x3,x4) (x0<<20)|(x1<<15)|(x2<<10)|(x3<< 5)|(x4<< 0)
+#define SIZE55(img) (sizeof (img) / sizeof (uint32_t))
+
+static uint32_t logo55[] = {
+ DATA55 (0x00, 0x00, 0x00, 0x00, 0x00),
+ DATA55 (0x00, 0x00, 0x04, 0x00, 0x00),
+ DATA55 (0x00, 0x00, 0x04, 0x02, 0x00),
+ DATA55 (0x00, 0x00, 0x05, 0x02, 0x00),
+ DATA55 (0x00, 0x01, 0x05, 0x02, 0x00),
+ DATA55 (0x02, 0x01, 0x05, 0x02, 0x00),
+ DATA55 (0x06, 0x01, 0x05, 0x02, 0x00),
+ DATA55 (0x0e, 0x01, 0x05, 0x02, 0x00),
+ DATA55 (0x0e, 0x11, 0x05, 0x02, 0x00),
+ DATA55 (0x0e, 0x11, 0x15, 0x02, 0x00),
+ DATA55 (0x0e, 0x11, 0x15, 0x12, 0x00),
+ DATA55 (0x0e, 0x11, 0x15, 0x12, 0x08),
+ DATA55 (0x0e, 0x11, 0x15, 0x12, 0x08),
+ DATA55 (0x0e, 0x11, 0x16, 0x10, 0x0c),
+ DATA55 (0x0e, 0x11, 0x16, 0x10, 0x0c),
+ DATA55 (0x0e, 0x11, 0x16, 0x10, 0x0e),
+ DATA55 (0x0c, 0x12, 0x14, 0x10, 0x0f),
+ DATA55 (0x0c, 0x12, 0x14, 0x11, 0x0e),
+ DATA55 (0x08, 0x14, 0x15, 0x11, 0x0e),
+ DATA55 (0x08, 0x15, 0x15, 0x11, 0x0e),
+ DATA55 (0x01, 0x09, 0x15, 0x11, 0x0e),
+ DATA55 (0x02, 0x09, 0x15, 0x11, 0x0e),
+ DATA55 (0x06, 0x01, 0x0d, 0x11, 0x0e),
+ DATA55 (0x0e, 0x01, 0x0d, 0x11, 0x0e),
+ DATA55 (0x1e, 0x01, 0x0d, 0x11, 0x0e),
+ DATA55 (0x0e, 0x11, 0x05, 0x09, 0x06),
+ DATA55 (0x0e, 0x11, 0x15, 0x05, 0x02),
+ DATA55 (0x0e, 0x11, 0x15, 0x15, 0x02),
+ DATA55 (0x0e, 0x11, 0x15, 0x12, 0x10),
+ DATA55 (0x0e, 0x11, 0x15, 0x12, 0x08),
+ DATA55 (0x0e, 0x11, 0x15, 0x12, 0x08),
+};
+
+#define DATA55V(x0,x1,x2,x3,x4) (x0<<0)|(x1<<5)|(x2<<10)|(x3<< 15)|(x4<< 20)
+
+#define CHAR_SPC 0
+#define CHAR_H 1
+#define CHAR_A 2
+#define CHAR_P 3
+#define CHAR_Y 4
+#define CHAR_C 5
+#define CHAR_K 6
+#define CHAR_I 7
+#define CHAR_N 8
+#define CHAR_G 9
+#define CHAR_EXC 10
+#define CHAR_W 11
+#define CHAR_h 12
+#define CHAR_t 13
+#define CHAR_AP 14
+#define CHAR_s 15
+#define CHAR_U 16
+#define CHAR_QT 17
+#define CHAR_o 18
+#define CHAR_X 19
+#define CHAR_D 20
+#define CHAR_e 21
+#define CHAR_b 22
+#define CHAR_i 23
+#define CHAR_a 24
+#define CHAR_n 25
+
+static uint8_t hh[] = {
+ CHAR_H, CHAR_A, CHAR_P, CHAR_P, CHAR_Y,
+ CHAR_SPC,
+ CHAR_H, CHAR_A, CHAR_C, CHAR_K, CHAR_I, CHAR_N, CHAR_G,
+ CHAR_EXC,
+ CHAR_SPC, CHAR_SPC, CHAR_SPC,
+};
+
+static uint8_t debian[] = {
+ CHAR_SPC,
+ CHAR_D, CHAR_e, CHAR_b, CHAR_i, CHAR_a, CHAR_n,
+ CHAR_SPC, CHAR_SPC,
+};
+
+struct { uint8_t width; uint32_t data; } chargen[] = {
+ { 3, 0 }, /* SPACE */
+ { 4, DATA55V (0x1f, 0x04, 0x04, 0x1f, 0x00) }, /* H */
+ { 3, DATA55V (0x17, 0x15, 0x0f, 0x00, 0x00) }, /* A */
+ { 4, DATA55V (0x1f, 0x14, 0x14, 0x08, 0x00) }, /* P */
+ { 4, DATA55V (0x19, 0x05, 0x05, 0x1e, 0x00) }, /* Y */
+ { 4, DATA55V (0x0e, 0x11, 0x11, 0x0a, 0x00) }, /* C */
+ { 4, DATA55V (0x1f, 0x04, 0x0c, 0x13, 0x00) }, /* K */
+ { 3, DATA55V (0x11, 0x1f, 0x11, 0x00, 0x00) }, /* I */
+ { 4, DATA55V (0x1f, 0x08, 0x06, 0x1f, 0x00) }, /* N */
+ { 4, DATA55V (0x0e, 0x11, 0x15, 0x07, 0x00) }, /* G */
+ { 2, DATA55V (0x1d, 0x1c, 0x00, 0x00, 0x00) }, /* ! */
+ { 5, DATA55V (0x1e, 0x01, 0x0e, 0x01, 0x1e) }, /* W */
+ { 3, DATA55V (0x1f, 0x04, 0x07, 0x00, 0x00) }, /* h */
+ { 4, DATA55V (0x08, 0x1e, 0x09, 0x09, 0x00) }, /* t */
+ { 3, DATA55V (0x04, 0x18, 0x18, 0x00, 0x00) }, /* ' */
+ { 4, DATA55V (0x09, 0x15, 0x15, 0x12, 0x00) }, /* s */
+ { 4, DATA55V (0x1e, 0x01, 0x01, 0x1e, 0x00) }, /* U */
+ { 4, DATA55V (0x08, 0x10, 0x15, 0x08, 0x00) }, /* ? */
+ { 4, DATA55V (0x06, 0x09, 0x09, 0x06, 0x00) }, /* o */
+ { 5, DATA55V (0x11, 0x0a, 0x04, 0x0a, 0x11) }, /* X */
+ { 4, DATA55V (0x1f, 0x11, 0x11, 0x0e, 0x00) }, /* D */
+ { 4, DATA55V (0x0e, 0x15, 0x15, 0x0d, 0x00) }, /* e */
+ { 4, DATA55V (0x1f, 0x05, 0x05, 0x06, 0x00) }, /* b */
+ { 1, DATA55V (0x17, 0x00, 0x00, 0x00, 0x00) }, /* i */
+ { 4, DATA55V (0x02, 0x15, 0x15, 0x0f, 0x00) }, /* a */
+ { 4, DATA55V (0x1f, 0x08, 0x10, 0x1f, 0x00) }, /* n */
+};
+
+
+#define REPEAT_COUNT 10
+
+static int
+logo_display (void)
+{
+ unsigned int i;
+ uint8_t state = 0;
+
+ for (i = 0; i < SIZE55 (logo55); i++)
+ {
+ if (user_button ())
+ {
+ set_led_display (LED_FULL);
+ state = 1;
+ }
+ else if (state == 1)
+ return 0;
+ else
+ set_led_display (logo55[i]);
+ wait_for (350*1000);
+ }
+
+ return 1;
+}
+
+
+static int
+text_display (uint8_t kind)
+{
+ unsigned int i, j;
+ uint8_t *text;
+ uint8_t len;
+ uint8_t state = 0;
+
+ if (kind)
+ {
+ text = debian;
+ len = sizeof (debian);
+ }
+ else
+ {
+ text = hh;
+ len = sizeof (hh);
+ }
+
+#if 0
+ set_led_display (0);
+#endif
+ for (i = 0; i < len; i++)
+ {
+ for (j = 0; j < chargen[text[i]].width; j++)
+ {
+ if (user_button ())
+ {
+ set_led_display (LED_FULL);
+ state = 1;
+ }
+ else if (state == 1)
+ return 0;
+ else
+ scroll_led_display ((chargen[text[i]].data >> j * 5) & 0x1f);
+ wait_for (120*1000);
+ }
+
+ if (user_button ())
+ {
+ set_led_display (LED_FULL);
+ state = 1;
+ }
+ else if (state == 1)
+ return 0;
+ else
+ scroll_led_display (0);
+ wait_for (120*1000);
+ }
+
+ return 1;
+}
+
+
+static void setup_scr_sleepdeep (void);
+
+int
+main (int argc, const char *argv[])
+{
+ chopstx_t led_thd;
+ chopstx_t button_thd;
+ uint8_t happy = 1;
+ uint8_t count = 0;
+
+ (void)argc;
+ (void)argv;
+
+ chopstx_mutex_init (&mtx);
+ chopstx_cond_init (&cnd0);
+ chopstx_cond_init (&cnd1);
+
+ led_thd = chopstx_create (PRIO_LED, __stackaddr_led,
+ __stacksize_led, led, NULL);
+ button_thd = chopstx_create (PRIO_BUTTON, __stackaddr_button,
+ __stacksize_button, button, NULL);
+
+ chopstx_usec_wait (200*1000);
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_signal (&cnd0);
+ chopstx_cond_signal (&cnd1);
+ chopstx_mutex_unlock (&mtx);
+
+ wait_for (100*1000);
+ if (user_button ())
+ {
+ /* Wait button release. */
+ while (user_button ())
+ wait_for (100*1000);
+
+ happy = 0;
+ goto do_text;
+ }
+
+ while (count++ < REPEAT_COUNT)
+ {
+ if (!logo_display ())
+ break;
+ do_text:
+ if (!text_display (happy))
+ break;
+ }
+
+ main_finished = 1;
+ chopstx_join (button_thd, NULL);
+ chopstx_join (led_thd, NULL);
+
+ setup_scr_sleepdeep ();
+ for (;;)
+ asm volatile ("wfi" : : : "memory");
+
+ return 0;
+}
+
+struct SCB
+{
+ volatile uint32_t CPUID;
+ volatile uint32_t ICSR;
+ volatile uint32_t VTOR;
+ volatile uint32_t AIRCR;
+ volatile uint32_t SCR;
+ volatile uint32_t CCR;
+ volatile uint8_t SHP[12];
+ volatile uint32_t SHCSR;
+ volatile uint32_t CFSR;
+ volatile uint32_t HFSR;
+ volatile uint32_t DFSR;
+ volatile uint32_t MMFAR;
+ volatile uint32_t BFAR;
+ volatile uint32_t AFSR;
+ volatile uint32_t PFR[2];
+ volatile uint32_t DFR;
+ volatile uint32_t ADR;
+ volatile uint32_t MMFR[4];
+ volatile uint32_t ISAR[5];
+};
+
+#define SCS_BASE (0xE000E000)
+#define SCB_BASE (SCS_BASE + 0x0D00)
+static struct SCB *const SCB = ((struct SCB *const) SCB_BASE);
+
+#define SCB_SCR_SLEEPDEEP (1 << 2)
+
+struct PWR
+{
+ volatile uint32_t CR;
+ volatile uint32_t CSR;
+};
+#define PWR_CR_PDDS 0x0002
+#define PWR_CR_CWUF 0x0004
+
+#define PWR_BASE (APBPERIPH_BASE + 0x00007000)
+#define PWR ((struct PWR *) PWR_BASE)
+
+static void setup_scr_sleepdeep (void)
+{
+ PWR->CR |= PWR_CR_CWUF;
+ PWR->CR |= PWR_CR_PDDS;
+ SCB->SCR |= SCB_SCR_SLEEPDEEP;
+}
diff --git a/example-fsm-55/debian-logo.txt b/example-fsm-55/debian-logo.txt
new file mode 100644
index 0000000..c540526
--- /dev/null
+++ b/example-fsm-55/debian-logo.txt
@@ -0,0 +1,594 @@
+.....
+.....
+.....
+.....
+.....
+
+.....
+.....
+..o..
+.....
+.....
+
+.....
+.....
+..o..
+...o.
+.....
+
+.....
+.....
+..o.o
+...o.
+.....
+
+.....
+....o
+..o.o
+...o.
+.....
+
+...o.
+....o
+..o.o
+...o.
+.....
+
+..oo.
+....o
+..o.o
+...o.
+.....
+
+.ooo.
+....o
+..o.o
+...o.
+.....
+
+.ooo.
+o...o
+..o.o
+...o.
+.....
+
+.ooo.
+o...o
+o.o.o
+...o.
+.....
+
+.ooo.
+o...o
+o.o.o
+o..o.
+.....
+
+.ooo.
+o...o
+o.o.o
+o..o.
+.o...
+
+.ooo.
+o...o
+o.o.o
+o..o.
+.o...
+
+.ooo.
+o...o
+o.oo.
+o....
+.oo..
+
+.ooo.
+o...o
+o.oo.
+o....
+.ooo.
+
+.oo..
+o..o.
+o.o..
+o....
+.oooo
+
+.oo..
+o..o.
+o.o..
+o...o
+.ooo.
+
+.oo..
+o.o..
+o.o.o
+o...o
+.ooo.
+
+.o...
+o.o.o
+o.o.o
+o...o
+.ooo.
+
+....o
+.o..o
+o.o.o
+o...o
+.ooo.
+
+...o.
+....o
+.oo.o
+o...o
+.ooo.
+
+.ooo.
+....o
+.oo.o
+o...o
+.ooo.
+
+oooo.
+....o
+.oo.o
+o...o
+.ooo.
+
+.ooo.
+o...o
+..o.o
+.o..o
+..oo.
+
+.ooo.
+o...o
+o.o.o
+..o.o
+...o.
+
+.ooo.
+o...o
+o.o.o
+o.o.o
+...o.
+
+.ooo.
+o...o
+o.o.o
+o..o.
+o....
+
+.ooo.
+o...o
+o.o.o
+o..o.
+.o...
+
+.ooo.
+o...o
+o.o.o
+o..o.
+.o...
+
+ooo.
+o..o
+o..o
+o..o
+ooo.
+
+.oo.
+o..o
+oooo
+o...
+.ooo
+
+o...
+o...
+oooo
+o..o
+ooo.
+
+o
+.
+o
+o
+o
+
+.oo.
+...o
+.ooo
+o..o
+oooo
+
+....
+oooo
+o..o
+o..o
+o..o
+
+..... 00
+..... 00
+..... 00
+..... 00
+..... 00
+
+..... 00
+..... 00
+..o.. 04
+..... 00
+..... 00
+
+..... 00
+..... 00
+..o.. 04
+...o. 02
+..... 00
+
+..... 00
+..... 00
+..o.o 05
+...o. 02
+..... 00
+
+..... 00
+....o 01
+..o.o 05
+...o. 02
+..... 00
+
+...o. 02
+....o 01
+..o.o 05
+...o. 02
+..... 00
+
+..oo. 06
+....o 01
+..o.o 05
+...o. 02
+..... 00
+
+.ooo. 0e
+....o 01
+..o.o 05
+...o. 02
+..... 00
+
+.ooo. 0e
+o...o 11
+..o.o 05
+...o. 02
+..... 00
+
+.ooo. 0e
+o...o 11
+o.o.o 15
+...o. 02
+..... 00
+
+.ooo. 0e
+o...o 11
+o.o.o 15
+o..o. 12
+..... 00
+
+.ooo. 0e
+o...o 11
+o.o.o 15
+o..o. 12
+.o... 08
+
+.ooo. 0e
+o...o 11
+o.o.o 15
+o..o. 12
+.o... 08
+
+.ooo. 0e
+o...o 11
+o.oo. 16
+o.... 10
+.oo.. 0c
+
+.ooo. 0e
+o...o 11
+o.oo. 16
+o.... 10
+.ooo. 0e
+
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+.o... 08
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+.oo.
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+o
+.
+o
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+
+.oo.
+...o
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+o.oo
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+
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diff --git a/example-fsm-55/hacker-emblem.c b/example-fsm-55/hacker-emblem.c
deleted file mode 100644
index b8e7409..0000000
--- a/example-fsm-55/hacker-emblem.c
+++ /dev/null
@@ -1,455 +0,0 @@
-#include <stdint.h>
-#include <stdlib.h>
-#include <chopstx.h>
-
-#include "board.h"
-
-static uint8_t main_finished;
-
-#define PERIPH_BASE 0x40000000
-#define APBPERIPH_BASE PERIPH_BASE
-#define APB2PERIPH_BASE (PERIPH_BASE + 0x10000)
-#define AHBPERIPH_BASE (PERIPH_BASE + 0x20000)
-#define AHB2PERIPH_BASE (PERIPH_BASE + 0x08000000)
-
-struct GPIO {
- volatile uint32_t MODER;
- volatile uint16_t OTYPER;
- uint16_t dummy0;
- volatile uint32_t OSPEEDR;
- volatile uint32_t PUPDR;
- volatile uint16_t IDR;
- uint16_t dummy1;
- volatile uint16_t ODR;
- uint16_t dummy2;
- volatile uint16_t BSRR;
- uint16_t dummy3;
- volatile uint32_t LCKR;
- volatile uint32_t AFR[2];
- volatile uint16_t BRR;
- uint16_t dummy4;
-};
-#define GPIOA_BASE (AHB2PERIPH_BASE + 0x0000)
-#define GPIOA ((struct GPIO *) GPIOA_BASE)
-#define GPIOF_BASE (AHB2PERIPH_BASE + 0x1400)
-#define GPIOF ((struct GPIO *) GPIOF_BASE)
-
-static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
-static struct GPIO *const GPIO_OTHER = ((struct GPIO *const) GPIO_OTHER_BASE);
-
-static chopstx_mutex_t mtx;
-static chopstx_cond_t cnd0, cnd1;
-
-#define BUTTON_PUSHED 1
-static uint8_t button_state;
-
-static uint8_t
-user_button (void)
-{
- return button_state;
-}
-
-
-static uint8_t l_data[5];
-#define LED_FULL ((0x1f << 20)|(0x1f << 15)|(0x1f << 10)|(0x1f << 5)|0x1f)
-
-static void
-set_led_display (uint32_t data)
-{
- l_data[0] = (data >> 0) & 0x1f;
- l_data[1] = (data >> 5) & 0x1f;
- l_data[2] = (data >> 10) & 0x1f;
- l_data[3] = (data >> 15) & 0x1f;
- l_data[4] = (data >> 20) & 0x1f;
-}
-
-static void
-scroll_led_display (uint8_t row)
-{
- l_data[0] = (l_data[0] << 1) | ((row >> 0) & 1);
- l_data[1] = (l_data[1] << 1) | ((row >> 1) & 1);
- l_data[2] = (l_data[2] << 1) | ((row >> 2) & 1);
- l_data[3] = (l_data[3] << 1) | ((row >> 3) & 1);
- l_data[4] = (l_data[4] << 1) | ((row >> 4) & 1);
-}
-
-
-static void
-wait_for (uint32_t usec)
-{
- chopstx_usec_wait (usec);
-}
-
-static void
-led_prepare_row (uint8_t col)
-{
- uint16_t data = 0x1f;
-
- data |= ((l_data[0] & (1 << col)) ? 1 : 0) << 5;
- data |= ((l_data[1] & (1 << col)) ? 1 : 0) << 6;
- data |= ((l_data[2] & (1 << col)) ? 1 : 0) << 7;
- data |= ((l_data[3] & (1 << col)) ? 1 : 0) << 9;
- data |= ((l_data[4] & (1 << col)) ? 1 : 0) << 10;
- GPIO_LED->ODR = data;
-}
-
-
-static void
-led_enable_column (uint8_t col)
-{
- GPIO_LED->BRR = (1 << col);
-}
-
-static void *
-led (void *arg)
-{
- (void)arg;
-
- chopstx_mutex_lock (&mtx);
- chopstx_cond_wait (&cnd0, &mtx);
- chopstx_mutex_unlock (&mtx);
-
- while (!main_finished)
- {
- int i;
-
- for (i = 0; i < 5; i++)
- {
- led_prepare_row (i);
- led_enable_column (i);
- wait_for (1000);
- }
- }
-
- GPIO_LED->ODR = 0x0000; /* Off all LEDs. */
- GPIO_LED->OSPEEDR = 0;
- GPIO_LED->OTYPER = 0;
- GPIO_LED->MODER = 0; /* Input mode. */
- GPIO_OTHER->PUPDR = 0x0000; /* No pull-up. */
-
- return NULL;
-}
-
-
-static uint8_t get_button_sw (void) { return (GPIO_OTHER->IDR & 1) == 0; }
-
-static void *
-button (void *arg)
-{
- uint8_t last_button = 0;
-
- (void)arg;
-
- chopstx_mutex_lock (&mtx);
- chopstx_cond_wait (&cnd1, &mtx);
- chopstx_mutex_unlock (&mtx);
-
- while (!main_finished)
- {
- uint8_t button = get_button_sw ();
-
- if (last_button == button && button != button_state)
- {
- wait_for (1000);
- button = get_button_sw ();
- if (last_button == button)
- button_state = button;
- }
-
- wait_for (2000);
- last_button = button;
- }
-
- return NULL;
-}
-
-#define PRIO_LED 3
-#define PRIO_BUTTON 2
-
-extern uint8_t __process1_stack_base__, __process1_stack_size__;
-extern uint8_t __process2_stack_base__, __process2_stack_size__;
-
-const uint32_t __stackaddr_led = (uint32_t)&__process1_stack_base__;
-const size_t __stacksize_led = (size_t)&__process1_stack_size__;
-
-const uint32_t __stackaddr_button = (uint32_t)&__process2_stack_base__;
-const size_t __stacksize_button = (size_t)&__process2_stack_size__;
-
-#define DATA55(x0,x1,x2,x3,x4) (x0<<20)|(x1<<15)|(x2<<10)|(x3<< 5)|(x4<< 0)
-#define SIZE55(img) (sizeof (img) / sizeof (uint32_t))
-
-static uint32_t l55[] = {
- DATA55 (0x08, 0x04, 0x1c, 0x00, 0x00),
- DATA55 (0x00, 0x14, 0x0c, 0x08, 0x00),
- DATA55 (0x00, 0x04, 0x14, 0x0c, 0x00),
- DATA55 (0x00, 0x08, 0x06, 0x0c, 0x00),
- DATA55 (0x00, 0x04, 0x02, 0x0e, 0x00),
- DATA55 (0x00, 0x00, 0x0a, 0x06, 0x04),
- DATA55 (0x00, 0x00, 0x02, 0x0a, 0x06),
- DATA55 (0x00, 0x00, 0x04, 0x03, 0x06),
- DATA55 (0x00, 0x00, 0x02, 0x01, 0x07),
- DATA55 (0x02, 0x00, 0x00, 0x05, 0x03),
- DATA55 (0x03, 0x00, 0x00, 0x01, 0x05),
- DATA55 (0x03, 0x00, 0x00, 0x02, 0x11),
- DATA55 (0x13, 0x00, 0x00, 0x01, 0x10),
- DATA55 (0x11, 0x01, 0x00, 0x00, 0x12),
- DATA55 (0x12, 0x11, 0x00, 0x00, 0x10),
- DATA55 (0x18, 0x11, 0x00, 0x00, 0x01),
- DATA55 (0x08, 0x19, 0x00, 0x00, 0x10),
- DATA55 (0x09, 0x18, 0x10, 0x00, 0x00),
- DATA55 (0x08, 0x09, 0x18, 0x00, 0x00),
- DATA55 (0x10, 0x0c, 0x18, 0x00, 0x00),
-};
-
-#define DATA55V(x0,x1,x2,x3,x4) (x0<<0)|(x1<<5)|(x2<<10)|(x3<< 15)|(x4<< 20)
-
-#define CHAR_SPC 0
-#define CHAR_H 1
-#define CHAR_A 2
-#define CHAR_P 3
-#define CHAR_Y 4
-#define CHAR_C 5
-#define CHAR_K 6
-#define CHAR_I 7
-#define CHAR_N 8
-#define CHAR_G 9
-#define CHAR_EXC 10
-#define CHAR_W 11
-#define CHAR_h 12
-#define CHAR_t 13
-#define CHAR_AP 14
-#define CHAR_s 15
-#define CHAR_U 16
-#define CHAR_QT 17
-#define CHAR_o 18
-#define CHAR_X 19
-
-static uint8_t hh[] = {
- CHAR_H, CHAR_A, CHAR_P, CHAR_P, CHAR_Y,
- CHAR_SPC,
- CHAR_H, CHAR_A, CHAR_C, CHAR_K, CHAR_I, CHAR_N, CHAR_G,
- CHAR_EXC,
- CHAR_SPC, CHAR_SPC, CHAR_SPC,
-};
-
-static uint8_t gnu[] = {
- CHAR_W, CHAR_h, CHAR_A, CHAR_t, CHAR_AP, CHAR_s, CHAR_SPC,
- CHAR_G, CHAR_N, CHAR_U, CHAR_QT,
- CHAR_SPC, CHAR_SPC,
- CHAR_G, CHAR_N, CHAR_U, CHAR_AP, CHAR_s, CHAR_SPC,
- CHAR_N, CHAR_o, CHAR_t, CHAR_SPC,
- CHAR_U, CHAR_N, CHAR_I, CHAR_X,
- CHAR_EXC,
- CHAR_SPC, CHAR_SPC,
-};
-
-struct { uint8_t width; uint32_t data; } chargen[] = {
- { 3, 0 }, /* SPACE */
- { 4, DATA55V (0x1f, 0x04, 0x04, 0x1f, 0x00) }, /* H */
- { 3, DATA55V (0x17, 0x15, 0x0f, 0x00, 0x00) }, /* A */
- { 4, DATA55V (0x1f, 0x14, 0x14, 0x08, 0x00) }, /* P */
- { 4, DATA55V (0x19, 0x05, 0x05, 0x1e, 0x00) }, /* Y */
- { 4, DATA55V (0x0e, 0x11, 0x11, 0x0a, 0x00) }, /* C */
- { 4, DATA55V (0x1f, 0x04, 0x0c, 0x13, 0x00) }, /* K */
- { 3, DATA55V (0x11, 0x1f, 0x11, 0x00, 0x00) }, /* I */
- { 4, DATA55V (0x1f, 0x08, 0x06, 0x1f, 0x00) }, /* N */
- { 4, DATA55V (0x0e, 0x11, 0x15, 0x07, 0x00) }, /* G */
- { 2, DATA55V (0x1d, 0x1c, 0x00, 0x00, 0x00) }, /* ! */
- { 5, DATA55V (0x1e, 0x01, 0x0e, 0x01, 0x1e) }, /* W */
- { 3, DATA55V (0x1f, 0x04, 0x07, 0x00, 0x00) }, /* h */
- { 4, DATA55V (0x08, 0x1e, 0x09, 0x09, 0x00) }, /* t */
- { 3, DATA55V (0x04, 0x18, 0x18, 0x00, 0x00) }, /* ' */
- { 4, DATA55V (0x09, 0x15, 0x15, 0x12, 0x00) }, /* s */
- { 4, DATA55V (0x1e, 0x01, 0x01, 0x1e, 0x00) }, /* U */
- { 4, DATA55V (0x08, 0x10, 0x15, 0x08, 0x00) }, /* ? */
- { 4, DATA55V (0x06, 0x09, 0x09, 0x06, 0x00) }, /* o */
- { 5, DATA55V (0x11, 0x0a, 0x04, 0x0a, 0x11) }, /* X */
-};
-
-
-#define REPEAT_COUNT 10
-
-static int
-life_display (void)
-{
- unsigned int i;
- uint8_t count = 0;
- uint8_t state = 0;
-
- while (count++ < REPEAT_COUNT)
- for (i = 0; i < SIZE55 (l55); i++)
- {
- if (user_button ())
- {
- set_led_display (LED_FULL);
- state = 1;
- }
- else if (state == 1)
- return 0;
- else
- set_led_display (l55[i]);
- wait_for (350*1000);
- }
-
- return 1;
-}
-
-
-static int
-text_display (uint8_t kind)
-{
- unsigned int i, j;
- uint8_t *text;
- uint8_t len;
- uint8_t count = 0;
- uint8_t state = 0;
-
- if (kind)
- {
- text = hh;
- len = sizeof (hh);
- }
- else
- {
- text = gnu;
- len = sizeof (gnu);
- }
-
- set_led_display (0);
- while (count++ < REPEAT_COUNT)
- for (i = 0; i < len; i++)
- {
- for (j = 0; j < chargen[text[i]].width; j++)
- {
- if (user_button ())
- {
- set_led_display (LED_FULL);
- state = 1;
- }
- else if (state == 1)
- return 0;
- else
- scroll_led_display ((chargen[text[i]].data >> j * 5) & 0x1f);
- wait_for (120*1000);
- }
-
- if (user_button ())
- {
- set_led_display (LED_FULL);
- state = 1;
- }
- else if (state == 1)
- return 0;
- else
- scroll_led_display (0);
- wait_for (120*1000);
- }
-
- return 1;
-}
-
-
-static void setup_scr_sleepdeep (void);
-
-int
-main (int argc, const char *argv[])
-{
- chopstx_t led_thd;
- chopstx_t button_thd;
- uint8_t happy = 1;
- (void)argc;
- (void)argv;
-
- chopstx_mutex_init (&mtx);
- chopstx_cond_init (&cnd0);
- chopstx_cond_init (&cnd1);
-
- led_thd = chopstx_create (PRIO_LED, __stackaddr_led,
- __stacksize_led, led, NULL);
- button_thd = chopstx_create (PRIO_BUTTON, __stackaddr_button,
- __stacksize_button, button, NULL);
-
- chopstx_usec_wait (200*1000);
-
- chopstx_mutex_lock (&mtx);
- chopstx_cond_signal (&cnd0);
- chopstx_cond_signal (&cnd1);
- chopstx_mutex_unlock (&mtx);
-
- wait_for (100*1000);
- if (user_button ())
- {
- /* Wait button release. */
- while (user_button ())
- wait_for (100*1000);
-
- happy = 0;
- goto do_text;
- }
-
- while (1)
- {
- if (life_display ())
- break;
- do_text:
- if (text_display (happy))
- break;
- }
-
- main_finished = 1;
- chopstx_join (button_thd, NULL);
- chopstx_join (led_thd, NULL);
-
- setup_scr_sleepdeep ();
- for (;;)
- asm volatile ("wfi" : : : "memory");
-
- return 0;
-}
-
-struct SCB
-{
- volatile uint32_t CPUID;
- volatile uint32_t ICSR;
- volatile uint32_t VTOR;
- volatile uint32_t AIRCR;
- volatile uint32_t SCR;
- volatile uint32_t CCR;
- volatile uint8_t SHP[12];
- volatile uint32_t SHCSR;
- volatile uint32_t CFSR;
- volatile uint32_t HFSR;
- volatile uint32_t DFSR;
- volatile uint32_t MMFAR;
- volatile uint32_t BFAR;
- volatile uint32_t AFSR;
- volatile uint32_t PFR[2];
- volatile uint32_t DFR;
- volatile uint32_t ADR;
- volatile uint32_t MMFR[4];
- volatile uint32_t ISAR[5];
-};
-
-#define SCS_BASE (0xE000E000)
-#define SCB_BASE (SCS_BASE + 0x0D00)
-static struct SCB *const SCB = ((struct SCB *const) SCB_BASE);
-
-#define SCB_SCR_SLEEPDEEP (1 << 2)
-
-struct PWR
-{
- volatile uint32_t CR;
- volatile uint32_t CSR;
-};
-#define PWR_CR_PDDS 0x0002
-#define PWR_CR_CWUF 0x0004
-
-#define PWR_BASE (APBPERIPH_BASE + 0x00007000)
-#define PWR ((struct PWR *) PWR_BASE)
-
-static void setup_scr_sleepdeep (void)
-{
- PWR->CR |= PWR_CR_CWUF;
- PWR->CR |= PWR_CR_PDDS;
- SCB->SCR |= SCB_SCR_SLEEPDEEP;
-}
diff --git a/example-fsm-55/hacker-emblem.c b/example-fsm-55/hacker-emblem.c
new file mode 120000
index 0000000..d2bfd5f
--- /dev/null
+++ b/example-fsm-55/hacker-emblem.c
@@ -0,0 +1 @@
+debian-logo.c
\ No newline at end of file
diff --git a/example-fsm-55/hh.c b/example-fsm-55/hh.c
new file mode 100644
index 0000000..1567c41
--- /dev/null
+++ b/example-fsm-55/hh.c
@@ -0,0 +1,461 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <chopstx.h>
+
+#include "board.h"
+
+static uint8_t main_finished;
+
+#define PERIPH_BASE 0x40000000
+#define APBPERIPH_BASE PERIPH_BASE
+#define APB2PERIPH_BASE (PERIPH_BASE + 0x10000)
+#define AHBPERIPH_BASE (PERIPH_BASE + 0x20000)
+#define AHB2PERIPH_BASE (PERIPH_BASE + 0x08000000)
+
+struct GPIO {
+ volatile uint32_t MODER;
+ volatile uint16_t OTYPER;
+ uint16_t dummy0;
+ volatile uint32_t OSPEEDR;
+ volatile uint32_t PUPDR;
+ volatile uint16_t IDR;
+ uint16_t dummy1;
+ volatile uint16_t ODR;
+ uint16_t dummy2;
+ volatile uint16_t BSRR;
+ uint16_t dummy3;
+ volatile uint32_t LCKR;
+ volatile uint32_t AFR[2];
+ volatile uint16_t BRR;
+ uint16_t dummy4;
+};
+#define GPIOA_BASE (AHB2PERIPH_BASE + 0x0000)
+#define GPIOA ((struct GPIO *) GPIOA_BASE)
+#define GPIOF_BASE (AHB2PERIPH_BASE + 0x1400)
+#define GPIOF ((struct GPIO *) GPIOF_BASE)
+
+static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
+static struct GPIO *const GPIO_OTHER = ((struct GPIO *const) GPIO_OTHER_BASE);
+
+static chopstx_mutex_t mtx;
+static chopstx_cond_t cnd0, cnd1;
+
+#define BUTTON_PUSHED 1
+static uint8_t button_state;
+
+static uint8_t
+user_button (void)
+{
+ return button_state;
+}
+
+
+static uint8_t l_data[5];
+#define LED_FULL ((0x1f << 20)|(0x1f << 15)|(0x1f << 10)|(0x1f << 5)|0x1f)
+
+static void
+set_led_display (uint32_t data)
+{
+ l_data[0] = (data >> 0) & 0x1f;
+ l_data[1] = (data >> 5) & 0x1f;
+ l_data[2] = (data >> 10) & 0x1f;
+ l_data[3] = (data >> 15) & 0x1f;
+ l_data[4] = (data >> 20) & 0x1f;
+}
+
+static void
+scroll_led_display (uint8_t row)
+{
+ l_data[0] = (l_data[0] << 1) | ((row >> 0) & 1);
+ l_data[1] = (l_data[1] << 1) | ((row >> 1) & 1);
+ l_data[2] = (l_data[2] << 1) | ((row >> 2) & 1);
+ l_data[3] = (l_data[3] << 1) | ((row >> 3) & 1);
+ l_data[4] = (l_data[4] << 1) | ((row >> 4) & 1);
+}
+
+
+static void
+wait_for (uint32_t usec)
+{
+ chopstx_usec_wait (usec);
+}
+
+static void
+led_prepare_row (uint8_t col)
+{
+ uint16_t data = 0x1f;
+
+ data |= ((l_data[0] & (1 << col)) ? 1 : 0) << 5;
+ data |= ((l_data[1] & (1 << col)) ? 1 : 0) << 6;
+ data |= ((l_data[2] & (1 << col)) ? 1 : 0) << 7;
+ data |= ((l_data[3] & (1 << col)) ? 1 : 0) << 9;
+ data |= ((l_data[4] & (1 << col)) ? 1 : 0) << 10;
+ GPIO_LED->ODR = data;
+}
+
+
+static void
+led_enable_column (uint8_t col)
+{
+ GPIO_LED->BRR = (1 << col);
+}
+
+static void *
+led (void *arg)
+{
+ (void)arg;
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_wait (&cnd0, &mtx);
+ chopstx_mutex_unlock (&mtx);
+
+ while (!main_finished)
+ {
+ int i;
+
+ for (i = 0; i < 5; i++)
+ {
+ led_prepare_row (i);
+ led_enable_column (i);
+ wait_for (1000);
+ }
+ }
+
+ GPIO_LED->ODR = 0x0000; /* Off all LEDs. */
+ GPIO_LED->OSPEEDR = 0;
+ GPIO_LED->OTYPER = 0;
+ GPIO_LED->MODER = 0; /* Input mode. */
+ GPIO_OTHER->PUPDR = 0x0000; /* No pull-up. */
+
+ return NULL;
+}
+
+
+static uint8_t get_button_sw (void) { return (GPIO_OTHER->IDR & 1) == 0; }
+
+static void *
+button (void *arg)
+{
+ uint8_t last_button = 0;
+
+ (void)arg;
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_wait (&cnd1, &mtx);
+ chopstx_mutex_unlock (&mtx);
+
+ while (!main_finished)
+ {
+ uint8_t button = get_button_sw ();
+
+ if (last_button == button && button != button_state)
+ {
+ wait_for (1000);
+ button = get_button_sw ();
+ if (last_button == button)
+ button_state = button;
+ }
+
+ wait_for (2000);
+ last_button = button;
+ }
+
+ return NULL;
+}
+
+#define PRIO_LED 3
+#define PRIO_BUTTON 2
+
+extern uint8_t __process1_stack_base__, __process1_stack_size__;
+extern uint8_t __process2_stack_base__, __process2_stack_size__;
+
+const uint32_t __stackaddr_led = (uint32_t)&__process1_stack_base__;
+const size_t __stacksize_led = (size_t)&__process1_stack_size__;
+
+const uint32_t __stackaddr_button = (uint32_t)&__process2_stack_base__;
+const size_t __stacksize_button = (size_t)&__process2_stack_size__;
+
+#define DATA55(x0,x1,x2,x3,x4) (x0<<20)|(x1<<15)|(x2<<10)|(x3<< 5)|(x4<< 0)
+#define SIZE55(img) (sizeof (img) / sizeof (uint32_t))
+
+static uint32_t l55[] = {
+ DATA55 (0x08, 0x04, 0x1c, 0x00, 0x00),
+ DATA55 (0x00, 0x14, 0x0c, 0x08, 0x00),
+ DATA55 (0x00, 0x04, 0x14, 0x0c, 0x00),
+ DATA55 (0x00, 0x08, 0x06, 0x0c, 0x00),
+ DATA55 (0x00, 0x04, 0x02, 0x0e, 0x00),
+ DATA55 (0x00, 0x00, 0x0a, 0x06, 0x04),
+ DATA55 (0x00, 0x00, 0x02, 0x0a, 0x06),
+ DATA55 (0x00, 0x00, 0x04, 0x03, 0x06),
+ DATA55 (0x00, 0x00, 0x02, 0x01, 0x07),
+ DATA55 (0x02, 0x00, 0x00, 0x05, 0x03),
+ DATA55 (0x03, 0x00, 0x00, 0x01, 0x05),
+ DATA55 (0x03, 0x00, 0x00, 0x02, 0x11),
+ DATA55 (0x13, 0x00, 0x00, 0x01, 0x10),
+ DATA55 (0x11, 0x01, 0x00, 0x00, 0x12),
+ DATA55 (0x12, 0x11, 0x00, 0x00, 0x10),
+ DATA55 (0x18, 0x11, 0x00, 0x00, 0x01),
+ DATA55 (0x08, 0x19, 0x00, 0x00, 0x10),
+ DATA55 (0x09, 0x18, 0x10, 0x00, 0x00),
+ DATA55 (0x08, 0x09, 0x18, 0x00, 0x00),
+ DATA55 (0x10, 0x0c, 0x18, 0x00, 0x00),
+};
+
+#define DATA55V(x0,x1,x2,x3,x4) (x0<<0)|(x1<<5)|(x2<<10)|(x3<< 15)|(x4<< 20)
+
+#define CHAR_SPC 0
+#define CHAR_H 1
+#define CHAR_A 2
+#define CHAR_P 3
+#define CHAR_Y 4
+#define CHAR_C 5
+#define CHAR_K 6
+#define CHAR_I 7
+#define CHAR_N 8
+#define CHAR_G 9
+#define CHAR_EXC 10
+#define CHAR_W 11
+#define CHAR_h 12
+#define CHAR_t 13
+#define CHAR_AP 14
+#define CHAR_s 15
+#define CHAR_U 16
+#define CHAR_QT 17
+#define CHAR_o 18
+#define CHAR_X 19
+
+static uint8_t hh[] = {
+ CHAR_H, CHAR_A, CHAR_P, CHAR_P, CHAR_Y,
+ CHAR_SPC,
+ CHAR_H, CHAR_A, CHAR_C, CHAR_K, CHAR_I, CHAR_N, CHAR_G,
+ CHAR_EXC,
+ CHAR_SPC, CHAR_SPC, CHAR_SPC,
+};
+
+static uint8_t gnu[] = {
+ CHAR_W, CHAR_h, CHAR_A, CHAR_t, CHAR_AP, CHAR_s, CHAR_SPC,
+ CHAR_G, CHAR_N, CHAR_U, CHAR_QT,
+ CHAR_SPC, CHAR_SPC,
+ CHAR_G, CHAR_N, CHAR_U, CHAR_AP, CHAR_s, CHAR_SPC,
+ CHAR_N, CHAR_o, CHAR_t, CHAR_SPC,
+ CHAR_U, CHAR_N, CHAR_I, CHAR_X,
+ CHAR_EXC,
+ CHAR_SPC, CHAR_SPC,
+};
+
+struct { uint8_t width; uint32_t data; } chargen[] = {
+ { 3, 0 }, /* SPACE */
+ { 4, DATA55V (0x1f, 0x04, 0x04, 0x1f, 0x00) }, /* H */
+ { 3, DATA55V (0x17, 0x15, 0x0f, 0x00, 0x00) }, /* A */
+ { 4, DATA55V (0x1f, 0x14, 0x14, 0x08, 0x00) }, /* P */
+ { 4, DATA55V (0x19, 0x05, 0x05, 0x1e, 0x00) }, /* Y */
+ { 4, DATA55V (0x0e, 0x11, 0x11, 0x0a, 0x00) }, /* C */
+ { 4, DATA55V (0x1f, 0x04, 0x0c, 0x13, 0x00) }, /* K */
+ { 3, DATA55V (0x11, 0x1f, 0x11, 0x00, 0x00) }, /* I */
+ { 4, DATA55V (0x1f, 0x08, 0x06, 0x1f, 0x00) }, /* N */
+ { 4, DATA55V (0x0e, 0x11, 0x15, 0x07, 0x00) }, /* G */
+ { 2, DATA55V (0x1d, 0x1c, 0x00, 0x00, 0x00) }, /* ! */
+ { 5, DATA55V (0x1e, 0x01, 0x0e, 0x01, 0x1e) }, /* W */
+ { 3, DATA55V (0x1f, 0x04, 0x07, 0x00, 0x00) }, /* h */
+ { 4, DATA55V (0x08, 0x1e, 0x09, 0x09, 0x00) }, /* t */
+ { 3, DATA55V (0x04, 0x18, 0x18, 0x00, 0x00) }, /* ' */
+ { 4, DATA55V (0x09, 0x15, 0x15, 0x12, 0x00) }, /* s */
+ { 4, DATA55V (0x1e, 0x01, 0x01, 0x1e, 0x00) }, /* U */
+ { 4, DATA55V (0x08, 0x10, 0x15, 0x08, 0x00) }, /* ? */
+ { 4, DATA55V (0x06, 0x09, 0x09, 0x06, 0x00) }, /* o */
+ { 5, DATA55V (0x11, 0x0a, 0x04, 0x0a, 0x11) }, /* X */
+ { 4, DATA55V (0x1f, 0x11, 0x11, 0x0e, 0x00) }, /* D */
+ { 4, DATA55V (0x0e, 0x15, 0x15, 0x0d, 0x00) }, /* e */
+ { 4, DATA55V (0x1f, 0x05, 0x05, 0x06, 0x00) }, /* b */
+ { 1, DATA55V (0x17, 0x00, 0x00, 0x00, 0x00) }, /* i */
+ { 4, DATA55V (0x02, 0x15, 0x15, 0x0f, 0x00) }, /* a */
+ { 4, DATA55V (0x0f, 0x08, 0x08, 0x0f, 0x00) }, /* n */
+};
+
+
+#define REPEAT_COUNT 10
+
+static int
+life_display (void)
+{
+ unsigned int i;
+ uint8_t count = 0;
+ uint8_t state = 0;
+
+ while (count++ < REPEAT_COUNT)
+ for (i = 0; i < SIZE55 (l55); i++)
+ {
+ if (user_button ())
+ {
+ set_led_display (LED_FULL);
+ state = 1;
+ }
+ else if (state == 1)
+ return 0;
+ else
+ set_led_display (l55[i]);
+ wait_for (350*1000);
+ }
+
+ return 1;
+}
+
+
+static int
+text_display (uint8_t kind)
+{
+ unsigned int i, j;
+ uint8_t *text;
+ uint8_t len;
+ uint8_t count = 0;
+ uint8_t state = 0;
+
+ if (kind)
+ {
+ text = hh;
+ len = sizeof (hh);
+ }
+ else
+ {
+ text = gnu;
+ len = sizeof (gnu);
+ }
+
+ set_led_display (0);
+ while (count++ < REPEAT_COUNT)
+ for (i = 0; i < len; i++)
+ {
+ for (j = 0; j < chargen[text[i]].width; j++)
+ {
+ if (user_button ())
+ {
+ set_led_display (LED_FULL);
+ state = 1;
+ }
+ else if (state == 1)
+ return 0;
+ else
+ scroll_led_display ((chargen[text[i]].data >> j * 5) & 0x1f);
+ wait_for (120*1000);
+ }
+
+ if (user_button ())
+ {
+ set_led_display (LED_FULL);
+ state = 1;
+ }
+ else if (state == 1)
+ return 0;
+ else
+ scroll_led_display (0);
+ wait_for (120*1000);
+ }
+
+ return 1;
+}
+
+
+static void setup_scr_sleepdeep (void);
+
+int
+main (int argc, const char *argv[])
+{
+ chopstx_t led_thd;
+ chopstx_t button_thd;
+ uint8_t happy = 1;
+ (void)argc;
+ (void)argv;
+
+ chopstx_mutex_init (&mtx);
+ chopstx_cond_init (&cnd0);
+ chopstx_cond_init (&cnd1);
+
+ led_thd = chopstx_create (PRIO_LED, __stackaddr_led,
+ __stacksize_led, led, NULL);
+ button_thd = chopstx_create (PRIO_BUTTON, __stackaddr_button,
+ __stacksize_button, button, NULL);
+
+ chopstx_usec_wait (200*1000);
+
+ chopstx_mutex_lock (&mtx);
+ chopstx_cond_signal (&cnd0);
+ chopstx_cond_signal (&cnd1);
+ chopstx_mutex_unlock (&mtx);
+
+ wait_for (100*1000);
+ if (user_button ())
+ {
+ /* Wait button release. */
+ while (user_button ())
+ wait_for (100*1000);
+
+ happy = 0;
+ goto do_text;
+ }
+
+ while (1)
+ {
+ if (life_display ())
+ break;
+ do_text:
+ if (text_display (happy))
+ break;
+ }
+
+ main_finished = 1;
+ chopstx_join (button_thd, NULL);
+ chopstx_join (led_thd, NULL);
+
+ setup_scr_sleepdeep ();
+ for (;;)
+ asm volatile ("wfi" : : : "memory");
+
+ return 0;
+}
+
+struct SCB
+{
+ volatile uint32_t CPUID;
+ volatile uint32_t ICSR;
+ volatile uint32_t VTOR;
+ volatile uint32_t AIRCR;
+ volatile uint32_t SCR;
+ volatile uint32_t CCR;
+ volatile uint8_t SHP[12];
+ volatile uint32_t SHCSR;
+ volatile uint32_t CFSR;
+ volatile uint32_t HFSR;
+ volatile uint32_t DFSR;
+ volatile uint32_t MMFAR;
+ volatile uint32_t BFAR;
+ volatile uint32_t AFSR;
+ volatile uint32_t PFR[2];
+ volatile uint32_t DFR;
+ volatile uint32_t ADR;
+ volatile uint32_t MMFR[4];
+ volatile uint32_t ISAR[5];
+};
+
+#define SCS_BASE (0xE000E000)
+#define SCB_BASE (SCS_BASE + 0x0D00)
+static struct SCB *const SCB = ((struct SCB *const) SCB_BASE);
+
+#define SCB_SCR_SLEEPDEEP (1 << 2)
+
+struct PWR
+{
+ volatile uint32_t CR;
+ volatile uint32_t CSR;
+};
+#define PWR_CR_PDDS 0x0002
+#define PWR_CR_CWUF 0x0004
+
+#define PWR_BASE (APBPERIPH_BASE + 0x00007000)
+#define PWR ((struct PWR *) PWR_BASE)
+
+static void setup_scr_sleepdeep (void)
+{
+ PWR->CR |= PWR_CR_CWUF;
+ PWR->CR |= PWR_CR_PDDS;
+ SCB->SCR |= SCB_SCR_SLEEPDEEP;
+}
--
cgit v1.2.3
From 7c022432d19351dfc9553585ea6614b47fcd0c06 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Wed, 10 Dec 2014 18:53:00 +0900
Subject: fix rebase
---
entry.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/entry.c b/entry.c
index 1170c6a..bd43d48 100644
--- a/entry.c
+++ b/entry.c
@@ -379,8 +379,6 @@ static void nmi (void)
for (;;);
}
-extern void svc (void);
-
static void hard_fault (void)
{
#if 1
--
cgit v1.2.3