mirror of https://github.com/RT-Thread/rt-thread
125 lines
2.7 KiB
C
125 lines
2.7 KiB
C
#include "usbd_core.h"
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/* Endpoint state */
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struct usb_dc_ep_state {
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uint16_t ep_mps; /* Endpoint max packet size */
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uint8_t ep_type; /* Endpoint type */
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uint8_t ep_stalled; /* Endpoint stall flag */
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uint8_t *xfer_buf;
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uint32_t xfer_len;
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uint32_t actual_xfer_len;
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};
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/* Driver state */
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struct xxx_udc {
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volatile uint8_t dev_addr;
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struct usb_dc_ep_state in_ep[CONFIG_USBDEV_EP_NUM]; /*!< IN endpoint parameters*/
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struct usb_dc_ep_state out_ep[CONFIG_USBDEV_EP_NUM]; /*!< OUT endpoint parameters */
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} g_xxx_udc;
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__WEAK void usb_dc_low_level_init(void)
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{
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}
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__WEAK void usb_dc_low_level_deinit(void)
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{
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}
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int usb_dc_init(uint8_t busid)
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{
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memset(&g_xxx_udc, 0, sizeof(struct xxx_udc));
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usb_dc_low_level_init();
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return 0;
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}
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int usb_dc_deinit(uint8_t busid)
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{
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return 0;
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}
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int usbd_set_address(uint8_t busid, const uint8_t addr)
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{
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return 0;
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}
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int usbd_set_remote_wakeup(uint8_t busid)
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{
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return -1;
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}
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uint8_t usbd_get_port_speed(uint8_t busid)
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{
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return USB_SPEED_FULL;
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}
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int usbd_ep_open(uint8_t busid, const struct usb_endpoint_descriptor *ep)
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{
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uint8_t ep_idx = USB_EP_GET_IDX(ep->bEndpointAddress);
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if (USB_EP_DIR_IS_OUT(ep->bEndpointAddress)) {
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g_xxx_udc.out_ep[ep_idx].ep_mps = USB_GET_MAXPACKETSIZE(ep->wMaxPacketSize);
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g_xxx_udc.out_ep[ep_idx].ep_type = USB_GET_ENDPOINT_TYPE(ep->bmAttributes);
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g_xxx_udc.out_ep[ep_idx].ep_enable = true;
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} else {
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g_xxx_udc.in_ep[ep_idx].ep_mps = USB_GET_MAXPACKETSIZE(ep->wMaxPacketSize);
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g_xxx_udc.in_ep[ep_idx].ep_type = USB_GET_ENDPOINT_TYPE(ep->bmAttributes);
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g_xxx_udc.in_ep[ep_idx].ep_enable = true;
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}
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return 0;
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}
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int usbd_ep_close(uint8_t busid, const uint8_t ep)
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{
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return 0;
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}
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int usbd_ep_set_stall(uint8_t busid, const uint8_t ep)
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{
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return 0;
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}
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int usbd_ep_clear_stall(uint8_t busid, const uint8_t ep)
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{
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return 0;
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}
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int usbd_ep_is_stalled(uint8_t busid, const uint8_t ep, uint8_t *stalled)
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{
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return 0;
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}
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int usbd_ep_start_write(uint8_t busid, const uint8_t ep, const uint8_t *data, uint32_t data_len)
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{
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uint8_t ep_idx = USB_EP_GET_IDX(ep);
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uint32_t tmp;
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if (!data && data_len) {
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return -1;
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}
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g_xxx_udc.in_ep[ep_idx].xfer_buf = (uint8_t *)data;
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g_xxx_udc.in_ep[ep_idx].xfer_len = data_len;
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g_xxx_udc.in_ep[ep_idx].actual_xfer_len = 0;
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return 0;
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}
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int usbd_ep_start_read(uint8_t busid, const uint8_t ep, uint8_t *data, uint32_t data_len)
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{
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uint8_t ep_idx = USB_EP_GET_IDX(ep);
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if (!data && data_len) {
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return -1;
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}
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g_xxx_udc.out_ep[ep_idx].xfer_buf = (uint8_t *)data;
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g_xxx_udc.out_ep[ep_idx].xfer_len = data_len;
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g_xxx_udc.out_ep[ep_idx].actual_xfer_len = 0;
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return 0;
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}
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void USBD_IRQHandler(uint8_t busid)
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{
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} |