diff options
| author | NIIBE Yutaka <gniibe@fsij.org> | 2013-05-22 16:46:45 +0900 |
|---|---|---|
| committer | NIIBE Yutaka <gniibe@fsij.org> | 2013-05-22 16:46:45 +0900 |
| commit | 8880a8b1f9a738e9b1ab17712131279a3dfb6881 (patch) | |
| tree | 1de56a2bae50bd755acc34aeac705c2b3c683345 /example-cdc/usb_lld.h | |
| parent | aa3fd9876abe2131d2ebda9a418ade6a4b89f72c (diff) | |
add cdc example
Diffstat (limited to 'example-cdc/usb_lld.h')
| -rw-r--r-- | example-cdc/usb_lld.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/example-cdc/usb_lld.h b/example-cdc/usb_lld.h new file mode 100644 index 0000000..b98d267 --- /dev/null +++ b/example-cdc/usb_lld.h @@ -0,0 +1,142 @@ +#define USB_DEVICE_DESCRIPTOR_TYPE 0x01 +#define USB_CONFIGURATION_DESCRIPTOR_TYPE 0x02 +#define USB_STRING_DESCRIPTOR_TYPE 0x03 +#define USB_INTERFACE_DESCRIPTOR_TYPE 0x04 +#define USB_ENDPOINT_DESCRIPTOR_TYPE 0x05 + +#define STANDARD_ENDPOINT_DESC_SIZE 0x09 + +/* endpoints enumeration */ +#define ENDP0 ((uint8_t)0) +#define ENDP1 ((uint8_t)1) +#define ENDP2 ((uint8_t)2) +#define ENDP3 ((uint8_t)3) +#define ENDP4 ((uint8_t)4) +#define ENDP5 ((uint8_t)5) +#define ENDP6 ((uint8_t)6) +#define ENDP7 ((uint8_t)7) + +/* EP_TYPE[1:0] EndPoint TYPE */ +#define EP_BULK (0x0000) /* EndPoint BULK */ +#define EP_CONTROL (0x0200) /* EndPoint CONTROL */ +#define EP_ISOCHRONOUS (0x0400) /* EndPoint ISOCHRONOUS */ +#define EP_INTERRUPT (0x0600) /* EndPoint INTERRUPT */ + +enum RECIPIENT_TYPE +{ + DEVICE_RECIPIENT, /* Recipient device */ + INTERFACE_RECIPIENT, /* Recipient interface */ + ENDPOINT_RECIPIENT, /* Recipient endpoint */ + OTHER_RECIPIENT +}; + +enum DESCRIPTOR_TYPE +{ + DEVICE_DESCRIPTOR = 1, + CONFIG_DESCRIPTOR, + STRING_DESCRIPTOR, + INTERFACE_DESCRIPTOR, + ENDPOINT_DESCRIPTOR +}; + +#define REQUEST_DIR 0x80 /* Mask to get request dir */ +#define REQUEST_TYPE 0x60 /* Mask to get request type */ +#define STANDARD_REQUEST 0x00 /* Standard request */ +#define CLASS_REQUEST 0x20 /* Class request */ +#define VENDOR_REQUEST 0x40 /* Vendor request */ +#define RECIPIENT 0x1F /* Mask to get recipient */ + +#define USB_SETUP_SET(req) ((req & REQUEST_DIR) == 0) +#define USB_SETUP_GET(req) ((req & REQUEST_DIR) != 0) + +enum +{ + USB_UNSUPPORT = 0, + USB_SUCCESS = 1, +}; + +void usb_cb_device_reset (void); +void usb_cb_ctrl_write_finish (uint8_t req, uint8_t req_no, + uint16_t value, uint16_t index, uint16_t len); +int usb_cb_setup (uint8_t req, uint8_t req_no, uint16_t value, + uint16_t index, uint16_t len); +int usb_cb_get_descriptor (uint8_t desc_type, uint16_t index, uint16_t value); +int usb_cb_handle_event (uint8_t event_type, uint16_t value); +int usb_cb_interface (uint8_t cmd, uint16_t interface, uint16_t value); + +enum { + USB_EVENT_ADDRESS, + USB_EVENT_CONFIG, + USB_EVENT_SUSPEND, + USB_EVENT_WAKEUP, + USB_EVENT_STALL, +}; + +enum { + USB_SET_INTERFACE, + USB_GET_INTERFACE, + USB_QUERY_INTERFACE, +}; + +enum DEVICE_STATE +{ + UNCONNECTED, + ATTACHED, + POWERED, + SUSPENDED, + ADDRESSED, + CONFIGURED +}; + +extern uint32_t bDeviceState; +extern const uint8_t usb_initial_feature; + +#define STM32_USB_IRQ_PRIORITY 11 + +extern void usb_lld_init (uint8_t feature); + +extern void usb_lld_to_pmabuf (const void *src, uint16_t addr, size_t n); + +extern void usb_lld_from_pmabuf (void *dst, uint16_t addr, size_t n); + +extern void usb_lld_stall_tx (int ep_num); + +extern void usb_lld_stall_rx (int ep_num); + +extern int usb_lld_tx_data_len (int ep_num); + +extern void usb_lld_txcpy (const void *src, int ep_num, int offset, size_t len); + +extern void usb_lld_tx_enable (int ep_num, size_t len); + +extern void usb_lld_write (uint8_t ep_num, const void *buf, size_t len); + +extern void usb_lld_rx_enable (int ep_num); + +extern int usb_lld_rx_data_len (int ep_num); + +extern void usb_lld_rxcpy (uint8_t *dst, int ep_num, int offset, size_t len); + +extern void usb_lld_reset (void); + +extern void usb_lld_setup_endpoint (int ep_num, int ep_type, int ep_kind, + int ep_rx_addr, int ep_tx_addr, + int ep_rx_memory_size); + +extern void usb_lld_set_configuration (uint8_t config); + +extern uint8_t usb_lld_current_configuration (void); + +extern void usb_lld_set_feature (uint8_t feature); + +extern void usb_lld_set_data_to_send (const void *p, size_t len); + +extern inline void usb_lld_set_data_to_recv (void *p, size_t len) +{ + usb_lld_set_data_to_send ((const void *)p, len); +} + +extern void usb_lld_prepare_shutdown (void); +extern void usb_lld_shutdown (void); + +extern void usb_interrupt_handler (void); |