110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
#define STANDARD_ENDPOINT_DESC_SIZE 0x09
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/* endpoints enumeration */
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#define ENDP0 ((uint8_t)0)
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#define ENDP1 ((uint8_t)1)
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#define ENDP2 ((uint8_t)2)
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#define ENDP3 ((uint8_t)3)
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#define ENDP4 ((uint8_t)4)
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#define ENDP5 ((uint8_t)5)
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#define ENDP6 ((uint8_t)6)
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#define ENDP7 ((uint8_t)7)
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enum RECIPIENT_TYPE
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{
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DEVICE_RECIPIENT, /* Recipient device */
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INTERFACE_RECIPIENT, /* Recipient interface */
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ENDPOINT_RECIPIENT, /* Recipient endpoint */
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OTHER_RECIPIENT
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};
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enum DESCRIPTOR_TYPE
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{
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DEVICE_DESCRIPTOR = 1,
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CONFIG_DESCRIPTOR,
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STRING_DESCRIPTOR,
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INTERFACE_DESCRIPTOR,
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ENDPOINT_DESCRIPTOR
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};
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#define REQUEST_DIR 0x80 /* Mask to get request dir */
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#define REQUEST_TYPE 0x60 /* Mask to get request type */
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#define STANDARD_REQUEST 0x00 /* Standard request */
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#define CLASS_REQUEST 0x20 /* Class request */
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#define VENDOR_REQUEST 0x40 /* Vendor request */
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#define RECIPIENT 0x1F /* Mask to get recipient */
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#define USB_SETUP_SET(req) ((req & REQUEST_DIR) == 0)
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#define USB_SETUP_GET(req) ((req & REQUEST_DIR) != 0)
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enum
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{
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USB_UNSUPPORT = 0,
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USB_SUCCESS = 1,
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};
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struct req_args {
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uint16_t value;
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uint16_t index;
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uint16_t len;
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};
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void usb_cb_device_reset (void);
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int usb_cb_setup (uint8_t req, uint8_t req_no, struct req_args *arg);
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int usb_cb_interface (uint8_t cmd, struct req_args *arg);
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int usb_cb_get_descriptor (uint8_t rcp, uint8_t desc_type, uint8_t desc_index,
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struct req_args *arg);
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int usb_cb_handle_event (uint8_t event_type, uint16_t value);
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void usb_cb_ctrl_write_finish (uint8_t req, uint8_t req_no,
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struct req_args *arg);
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void usb_cb_tx_done (uint8_t ep_num);
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void usb_cb_rx_ready (uint8_t ep_num);
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enum {
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USB_EVENT_ADDRESS,
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USB_EVENT_CONFIG,
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USB_EVENT_SUSPEND,
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USB_EVENT_WAKEUP,
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USB_EVENT_STALL,
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};
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enum {
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USB_SET_INTERFACE,
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USB_GET_INTERFACE,
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USB_QUERY_INTERFACE,
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};
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enum DEVICE_STATE
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{
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UNCONNECTED,
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ATTACHED,
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POWERED,
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SUSPENDED,
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ADDRESSED,
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CONFIGURED
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};
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void usb_lld_init (uint8_t feature);
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int usb_lld_reply_request (const void *buf, size_t buflen,
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struct req_args *arg);
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void usb_lld_set_data_to_recv (void *p, size_t len);
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void usb_lld_tx_enable (uint8_t ep_num, const void *buf, size_t len);
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int usb_lld_tx_result (int ep_num);
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void usb_lld_rx_enable (int ep_num, void *buf, size_t len);
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int usb_lld_rx_data_len (int ep_num);
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void usb_lld_stall (int ep_num);
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void usb_lld_reset (uint8_t feature);
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void usb_lld_setup_endpoint (int n, int rx_en, int tx_en);
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void usb_lld_set_configuration (uint8_t config);
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uint8_t usb_lld_current_configuration (void);
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void usb_lld_prepare_shutdown (void);
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void usb_lld_shutdown (void);
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void usb_interrupt_handler (void);
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