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