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/* Includes ------------------------------------------------------------------*/
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/* Includes ------------------------------------------------------------------*/
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#include "usbd_cdc_if.h"
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#include "usbd_cdc_if.h"
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/* USER CODE BEGIN INCLUDE */
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/* USER CODE BEGIN INCLUDE */
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#include "leds.h"
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#include "dmx.h"
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/* USER CODE END INCLUDE */
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/* USER CODE END INCLUDE */
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/* Private typedef -----------------------------------------------------------*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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  * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
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  * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
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  */
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  */
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static int8_t CDC_Receive_FS(uint8_t* Buf, uint32_t *Len)
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static int8_t CDC_Receive_FS(uint8_t* Buf, uint32_t *Len)
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{
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{
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  /* USER CODE BEGIN 6 */
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  /* USER CODE BEGIN 6 */
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  switch (DMX_State)
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  {
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  case  DMX_IDLE:  // nothing happening
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          break;
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  case DMX_BREAK://
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          if(*Len > 0)
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          {
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                  if( Buf[0] != 0)
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                  DMX_State = DMX_IDLE;
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                  else
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                  {
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                          memcpy(DMX_Buffer,Buf+1,*Len-1);
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                          DMX_Pointer = *Len-1;
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                          DMX_State = DMX_BYTES;
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                  }
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          }
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          break;
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  case  DMX_BYTES:
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  {
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      int count = *Len;
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   dmx_state(Buf,Len);
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      int newPointer  = DMX_Pointer + count;
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      if(newPointer >= 512)
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          count = 512-count;
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      memcpy(DMX_Buffer+ DMX_Pointer, Buf, count);
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      DMX_Pointer += count;
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      if (DMX_Pointer == 512)
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      {
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         DMX_State = DMX_DATA;
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      }
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  }
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  break;
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  case DMX_DATA:
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  case DMX_DONE:
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     break;
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  }
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  USBD_CDC_SetRxBuffer(&hUsbDeviceFS, &Buf[0]);
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  USBD_CDC_SetRxBuffer(&hUsbDeviceFS, &Buf[0]);
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  Len =  USBD_CDC_ReceivePacket(&hUsbDeviceFS);
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  Len =  USBD_CDC_ReceivePacket(&hUsbDeviceFS);
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  return (USBD_OK);
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  return (USBD_OK);
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  /* USER CODE END 6 */
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  /* USER CODE END 6 */