Ejemplos de PCD_SET_EP_DBUF1_CNT en C++ (Cpp)

Ejemplo n.º 1

Archivo: stm32f0xx_hal_pcd.c Proyecto: bitcraze/lps-node-firmware

/**
  * @brief  Send an amount of data
  * @param  hpcd: PCD handle
  * @param  ep_addr: endpoint address
  * @param  pBuf: pointer to the transmission buffer
  * @param  len: amount of data to be sent
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_PCD_EP_Transmit(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len)
{
  PCD_EPTypeDef *ep;
  uint16_t pmabuffer = 0;

  ep = &hpcd->IN_ep[ep_addr & 0x7F];

  /*setup and start the Xfer */
  ep->xfer_buff = pBuf;
  ep->xfer_len = len;
  ep->xfer_count = 0;
  ep->is_in = 1;
  ep->num = ep_addr & 0x7F;

  __HAL_LOCK(hpcd);

  /*Multi packet transfer*/
  if (ep->xfer_len > ep->maxpacket)
  {
    len=ep->maxpacket;
    ep->xfer_len-=len;
  }
  else
  {
    len=ep->xfer_len;
    ep->xfer_len =0;
  }

  /* configure and validate Tx endpoint */
  if (ep->doublebuffer == 0)
  {
    PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, len);
    PCD_SET_EP_TX_CNT(hpcd->Instance, ep->num, len);
  }
  else
  {
    /*Write the data to the USB endpoint*/
    if (PCD_GET_ENDPOINT(hpcd->Instance, ep->num)& USB_EP_DTOG_TX)
    {
      /*Set the Double buffer counter for pmabuffer1*/
      PCD_SET_EP_DBUF1_CNT(hpcd->Instance, ep->num, ep->is_in, len);
      pmabuffer = ep->pmaaddr1;
    }
    else
    {
      /*Set the Double buffer counter for pmabuffer0*/
      PCD_SET_EP_DBUF0_CNT(hpcd->Instance, ep->num, ep->is_in, len);
      pmabuffer = ep->pmaaddr0;
    }

    PCD_WritePMA(hpcd->Instance, ep->xfer_buff, pmabuffer, len);
    PCD_FreeUserBuffer(hpcd->Instance, ep->num, ep->is_in);
  }

  PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_VALID);

  __HAL_UNLOCK(hpcd);

  return HAL_OK;
}

Ejemplo n.º 2

Archivo: stm32f3xx_hal_pcd.c Proyecto: ramonnr/STM32F303-watchdog-demo

/**
  * @brief  Receive an amount of data  
  * @param  hpcd: PCD handle
  * @param  ep_addr: endpoint address
  * @param  pBuf: pointer to the reception buffer   
  * @param  len: amount of data to be received
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_PCD_EP_Receive(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len)
{
  
 PCD_EPTypeDef *ep;
  
  ep = &hpcd->OUT_ep[ep_addr & 0x7F];
  
  /*setup and start the Xfer */
  ep->xfer_buff = pBuf;  
  ep->xfer_len = len;
  ep->xfer_count = 0;
  ep->is_in = 0;
  ep->num = ep_addr & 0x7F;
   
  __HAL_LOCK(hpcd); 
   
  /* Multi packet transfer*/
  if (ep->xfer_len > ep->maxpacket)
  {
    len=ep->maxpacket;
    ep->xfer_len-=len; 
  }
  else
  {
    len=ep->xfer_len;
    ep->xfer_len =0;
  }
  
  /* configure and validate Rx endpoint */
  if (ep->doublebuffer == 0) 
  {
    /*Set RX buffer count*/
    PCD_SET_EP_RX_CNT(hpcd->Instance, ep->num, len);
  }
  else
  {
    /*Set the Double buffer counter*/
    PCD_SET_EP_DBUF1_CNT(hpcd->Instance, ep->num, ep->is_in, len);
  } 
  
  PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID);
  
  __HAL_UNLOCK(hpcd); 
  
  return HAL_OK;
}