diff options
Diffstat (limited to 'example-cdc/usb_stm32f103.c')
| -rw-r--r-- | example-cdc/usb_stm32f103.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/example-cdc/usb_stm32f103.c b/example-cdc/usb_stm32f103.c index 887d69f..b75dfdb 100644 --- a/example-cdc/usb_stm32f103.c +++ b/example-cdc/usb_stm32f103.c @@ -1,16 +1,9 @@ -#ifdef FREE_STANDING #include <stdint.h> #include <stdlib.h> + #define TRUE 1 #define FALSE 0 -#define NULL 0 - -#define __IO volatile -#else -#include "ch.h" -#include "hal.h" -#endif #include "sys.h" #include "usb_lld.h" @@ -90,15 +83,15 @@ static struct DATA_INFO *const data_p = &data_info; #define PMA_ADDR (0x40006000UL) /* USB_IP Packet Memory Area base address */ /* Control register */ -#define CNTR ((__IO uint16_t *)(REG_BASE + 0x40)) +#define CNTR ((volatile uint16_t *)(REG_BASE + 0x40)) /* Interrupt status register */ -#define ISTR ((__IO uint16_t *)(REG_BASE + 0x44)) +#define ISTR ((volatile uint16_t *)(REG_BASE + 0x44)) /* Frame number register */ -#define FNR ((__IO uint16_t *)(REG_BASE + 0x48)) +#define FNR ((volatile uint16_t *)(REG_BASE + 0x48)) /* Device address register */ -#define DADDR ((__IO uint16_t *)(REG_BASE + 0x4C)) +#define DADDR ((volatile uint16_t *)(REG_BASE + 0x4C)) /* Buffer Table address register */ -#define BTABLE ((__IO uint16_t *)(REG_BASE + 0x50)) +#define BTABLE ((volatile uint16_t *)(REG_BASE + 0x50)) #define ISTR_CTR (0x8000) /* Correct TRansfer (clear-only bit) */ #define ISTR_DOVR (0x4000) /* DMA OVeR/underrun (clear-only bit) */ |