USB_TYPE USBEndpoint::queueTransfer()
{
HCD_HandleTypeDef *hhcd = (HCD_HandleTypeDef *)hced->hhcd;
uint32_t *addr = &((uint32_t *)hhcd->pData)[hced->ch_num];
uint32_t type = HAL_HCD_HC_GetType(hhcd, hced->ch_num);
uint32_t max_size = HAL_HCD_HC_GetMaxPacket(hhcd, hced->ch_num);
/* if a packet is queue on disconnected ; no solution for now */
if (state == USB_TYPE_FREE) {
td_current->state = USB_TYPE_FREE;
return USB_TYPE_FREE;
}
ep_queue.get(0);
MBED_ASSERT(*addr == 0);
transfer_len = td_current->size <= max_size ? td_current->size : max_size;
buf_start = (uint8_t *)td_current->currBufPtr;
//Now add this free TD at this end of the queue
state = USB_TYPE_PROCESSING;
/* one request */
td_current->nextTD = (hcTd *)0;
#if defined(MAX_NYET_RETRY)
td_current->retry = 0;
#endif
td_current->setup = setup;
*addr = (uint32_t)td_current;
/* dir /setup is inverted for ST */
/* token is useful only ctrl endpoint */
/* last parameter is ping ? */
MBED_ASSERT(HAL_HCD_HC_SubmitRequest((HCD_HandleTypeDef *)hced->hhcd, hced->ch_num, dir - 1, type, !setup, (uint8_t *) td_current->currBufPtr, transfer_len, 0) == HAL_OK);
HAL_HCD_EnableInt((HCD_HandleTypeDef *)hced->hhcd, hced->ch_num);
return USB_TYPE_PROCESSING;
}
/**
* @brief USBH_LL_SubmitURB
* Submit a new URB to the low level driver.
* @param phost: Host handle
* @param pipe: Pipe index
* This parameter can be a value from 1 to 15
* @param direction : Channel number
* This parameter can be one of the these values:
* 0 : Output
* 1 : Input
* @param ep_type : Endpoint Type
* This parameter can be one of the these values:
* @arg EP_TYPE_CTRL: Control type
* @arg EP_TYPE_ISOC: Isochrounous type
* @arg EP_TYPE_BULK: Bulk type
* @arg EP_TYPE_INTR: Interrupt type
* @param token : Endpoint Type
* This parameter can be one of the these values:
* @arg 0: PID_SETUP
* @arg 1: PID_DATA
* @param pbuff : pointer to URB data
* @param length : Length of URB data
* @param do_ping : activate do ping protocol (for high speed only)
* This parameter can be one of the these values:
* 0 : do ping inactive
* 1 : do ping active
* @retval Status
*/
USBH_StatusTypeDef USBH_LL_SubmitURB(USBH_HandleTypeDef *phost, uint8_t pipe,
uint8_t direction, uint8_t ep_type,
uint8_t token, uint8_t* pbuff,
uint16_t length, uint8_t do_ping) {
HAL_HCD_HC_SubmitRequest(phost->pData, pipe, direction, ep_type, token, pbuff,
length, do_ping);
return USBH_OK;
}