usbd_conf.c

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#include "os_io_seproxyhal.h"
#include "os_helpers.h"
/* Includes ------------------------------------------------------------------*/
#include "usbd_def.h"
#include "usbd_core.h"
 
 
/*******************************************************************************
                       LL Driver Interface (USB Device Library --> PCD)
*******************************************************************************/
unsigned int ep_in_stall;
unsigned int ep_out_stall;
USBD_StatusTypeDef  USBD_LL_Init (USBD_HandleTypeDef *pdev)
{ 
  UNUSED(pdev);
  ep_in_stall = 0;
  ep_out_stall = 0;
  return USBD_OK;
}
 
USBD_StatusTypeDef  USBD_LL_DeInit (USBD_HandleTypeDef *pdev)
{
  uint8_t buffer[4];
  UNUSED(pdev);
 
  // usb off
  buffer[0] = SEPROXYHAL_TAG_USB_CONFIG;
  buffer[1] = 0;
  buffer[2] = 1;
  buffer[3] = SEPROXYHAL_TAG_USB_CONFIG_DISCONNECT;
  io_seproxyhal_spi_send(buffer, 4);
 
  return USBD_OK; 
}
 
USBD_StatusTypeDef  USBD_LL_Start(USBD_HandleTypeDef *pdev)
{
  uint8_t buffer[5];
  UNUSED(pdev);
 
  // reset address
  buffer[0] = SEPROXYHAL_TAG_USB_CONFIG;
  buffer[1] = 0;
  buffer[2] = 2;
  buffer[3] = SEPROXYHAL_TAG_USB_CONFIG_ADDR;
  buffer[4] = 0;
  io_seproxyhal_spi_send(buffer, 5);
  
  // start usb operation
  buffer[0] = SEPROXYHAL_TAG_USB_CONFIG;
  buffer[1] = 0;
  buffer[2] = 1;
  buffer[3] = SEPROXYHAL_TAG_USB_CONFIG_CONNECT;
  io_seproxyhal_spi_send(buffer, 4);
  return USBD_OK; 
}
 
USBD_StatusTypeDef  USBD_LL_Stop (USBD_HandleTypeDef *pdev)
{
  UNUSED(pdev);
  uint8_t buffer[4];
  buffer[0] = SEPROXYHAL_TAG_USB_CONFIG;
  buffer[1] = 0;
  buffer[2] = 1;
  buffer[3] = SEPROXYHAL_TAG_USB_CONFIG_DISCONNECT;
  io_seproxyhal_spi_send(buffer, 4);
  return USBD_OK; 
}
 
USBD_StatusTypeDef  USBD_LL_OpenEP  (USBD_HandleTypeDef *pdev, 
                                      uint8_t  ep_addr,                                      
                                      uint8_t  ep_type,
                                      uint16_t ep_mps)
{
  uint8_t buffer[8];
  UNUSED(pdev);
 
  ep_in_stall = 0;
  ep_out_stall = 0;
 
  buffer[0] = SEPROXYHAL_TAG_USB_CONFIG;
  buffer[1] = 0;
  buffer[2] = 5;
  buffer[3] = SEPROXYHAL_TAG_USB_CONFIG_ENDPOINTS;
  buffer[4] = 1;
  buffer[5] = ep_addr;
  buffer[6] = 0;
  switch(ep_type) {
    case USBD_EP_TYPE_CTRL:
      buffer[6] = SEPROXYHAL_TAG_USB_CONFIG_TYPE_CONTROL;
      break;
    case USBD_EP_TYPE_ISOC:
      buffer[6] = SEPROXYHAL_TAG_USB_CONFIG_TYPE_ISOCHRONOUS;
      break;
    case USBD_EP_TYPE_BULK:
      buffer[6] = SEPROXYHAL_TAG_USB_CONFIG_TYPE_BULK;
      break;
    case USBD_EP_TYPE_INTR:
      buffer[6] = SEPROXYHAL_TAG_USB_CONFIG_TYPE_INTERRUPT;
      break;
  }
  buffer[7] = ep_mps;
  io_seproxyhal_spi_send(buffer, 8);
  return USBD_OK; 
}
 
USBD_StatusTypeDef  USBD_LL_CloseEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr)   
{
  UNUSED(pdev);
  uint8_t buffer[8];
  buffer[0] = SEPROXYHAL_TAG_USB_CONFIG;
  buffer[1] = 0;
  buffer[2] = 5;
  buffer[3] = SEPROXYHAL_TAG_USB_CONFIG_ENDPOINTS;
  buffer[4] = 1;
  buffer[5] = ep_addr;
  buffer[6] = SEPROXYHAL_TAG_USB_CONFIG_TYPE_DISABLED;
  buffer[7] = 0;
  io_seproxyhal_spi_send(buffer, 8);
  return USBD_OK; 
}
 
USBD_StatusTypeDef  USBD_LL_FlushEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr)   
{
  UNUSED(pdev);
  UNUSED(ep_addr);
  //HAL_PCD_EP_Flush(pdev->pData, ep_addr);
  return USBD_OK; 
}
 
USBD_StatusTypeDef  USBD_LL_StallEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr)   
{ 
  UNUSED(pdev);
  uint8_t buffer[6];
  buffer[0] = SEPROXYHAL_TAG_USB_EP_PREPARE;
  buffer[1] = 0;
  buffer[2] = 3;
  buffer[3] = ep_addr;
  buffer[4] = SEPROXYHAL_TAG_USB_EP_PREPARE_DIR_STALL;
  buffer[5] = 0;
  io_seproxyhal_spi_send(buffer, 6);
  if (ep_addr & 0x80) {
    ep_in_stall |= (1<<(ep_addr&0x7F));
  }
  else {
    ep_out_stall |= (1<<(ep_addr&0x7F)); 
  }
  return USBD_OK; 
}
 
USBD_StatusTypeDef  USBD_LL_ClearStallEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr)   
{
  UNUSED(pdev);
  uint8_t buffer[6];
  buffer[0] = SEPROXYHAL_TAG_USB_EP_PREPARE;
  buffer[1] = 0;
  buffer[2] = 3;
  buffer[3] = ep_addr;
  buffer[4] = SEPROXYHAL_TAG_USB_EP_PREPARE_DIR_UNSTALL;
  buffer[5] = 0;
  io_seproxyhal_spi_send(buffer, 6);
  if (ep_addr & 0x80) {
    ep_in_stall &= ~(1<<(ep_addr&0x7F));
  }
  else {
    ep_out_stall &= ~(1<<(ep_addr&0x7F)); 
  }
  return USBD_OK; 
}
 
uint8_t USBD_LL_IsStallEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr)   
{
  UNUSED(pdev);
  if((ep_addr & 0x80) == 0x80)
  {
    return ep_in_stall & (1<<(ep_addr&0x7F));
  }
  else
  {
    return ep_out_stall & (1<<(ep_addr&0x7F));
  }
}
USBD_StatusTypeDef  USBD_LL_SetUSBAddress (USBD_HandleTypeDef *pdev, uint8_t dev_addr)   
{
  UNUSED(pdev);
  uint8_t buffer[5];
  buffer[0] = SEPROXYHAL_TAG_USB_CONFIG;
  buffer[1] = 0;
  buffer[2] = 2;
  buffer[3] = SEPROXYHAL_TAG_USB_CONFIG_ADDR;
  buffer[4] = dev_addr;
  io_seproxyhal_spi_send(buffer, 5);
  return USBD_OK; 
}
 
USBD_StatusTypeDef  USBD_LL_Transmit (USBD_HandleTypeDef *pdev, 
                                      uint8_t  ep_addr,                                      
                                      uint8_t  *pbuf,
                                      uint16_t  size)
{
  UNUSED(pdev);
  uint8_t buffer[6];
  buffer[0] = SEPROXYHAL_TAG_USB_EP_PREPARE;
  buffer[1] = (3+size)>>8;
  buffer[2] = (3+size);
  buffer[3] = ep_addr;
  buffer[4] = SEPROXYHAL_TAG_USB_EP_PREPARE_DIR_IN;
  buffer[5] = size;
  io_seproxyhal_spi_send(buffer, 6);
  io_seproxyhal_spi_send(pbuf, size);
  return USBD_OK;   
}
 
USBD_StatusTypeDef  USBD_LL_PrepareReceive(USBD_HandleTypeDef *pdev, 
                                           uint8_t  ep_addr,
                                           uint16_t  size)
{
  UNUSED(pdev);
  uint8_t buffer[6];
  buffer[0] = SEPROXYHAL_TAG_USB_EP_PREPARE;
  buffer[1] = (3/*+size*/)>>8;
  buffer[2] = (3/*+size*/);
  buffer[3] = ep_addr;
  buffer[4] = SEPROXYHAL_TAG_USB_EP_PREPARE_DIR_OUT;
  buffer[5] = size; // expected size, not transmitted here !
  io_seproxyhal_spi_send(buffer, 6);
  return USBD_OK;   
}
 
 
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/