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16 October 2015 05:18 AM

Total Posts: 1

Joined 2015-10-16

Hello,

I've recently implemented burst transfer in my app. The problem is im getting TRANSFER_TX_FAILURE after first 8 bytes sent during burst transfer.

This is my transmitter message sending handler:
static void channel_event_handle(uint32_t event)

uint32_t err_code;
    
  static uint8_t burst_wait = 0; 
  err_code = sd_ant_burst_handler_wait_flag_enable(&burst;_wait);
  APP_ERROR_CHECK(err_code);
  if(pause != 0) return;
 
    switch (event)
    {
        // ANT broadcast success.
        // Send a new broadcast and increment the counter.
        case EVENT_TX:

      if(burst == 1) return;
      populate_buffer(m_burst_data, BURST_DATA_BUFFER_SIZE);
     
      do{
      err_code = sd_ant_burst_handler_request(CHANNEL_0, 
                          (sizeof(m_burst_data)),
                          m_burst_data,
                          BURST_SEGMENT_START|BURST_SEGMENT_END);
      } while( err_code != NRF_SUCCESS);
      byte_counter += 8;
      APP_ERROR_CHECK(err_code);
      printf("Burst Transfer request succeed!\n");
      while(burst_wait)
       ;

      err_code = bsp_indication_set(BSP_INDICATE_SENT_OK);
      APP_ERROR_CHECK(err_code);
            break; 

Here is my transmitter event handler:

switch (event)
                {
                    case EVENT_TX:
                        channel_event_handle(event);
                        break;
                    
          case EVENT_TRANSFER_TX_FAILED:
            printf("Burst Transfer failed, bytes sent: %d !!\n",byte_counter);
            burst = 1;
            break;
          case EVENT_TRANSFER_TX_COMPLETED:
            printf("Burst Transfer sent successfuly !!\n");
            burst = 1;
            break;
          case EVENT_TRANSFER_NEXT_DATA_BLOCK:
            printf("Next Data Block Requested\n");       
                        channel_event_handle(event);
            break;
                    default:
                        break;
                }
            } 

And here is my receiver message handler:

uint32_t err_code;
  
   ANT_MESSAGE* antMessage = (ANT_MESSAGE*) p_event_message_buffer;
   uint8_t* payload = NULL;
   uint8_t flag = NULL;

   uint16_t m_last_device_id;
   uint8_t m_last_rssi;
   if(antMessage->ANT_MESSAGE_stExtMesgBF.bANTDeviceID)
    m_last_device_id = (uint16_t)(antMessage->ANT_MESSAGE_aucExtData[0] | ((uint16_t)antMessage->ANT_MESSAGE_aucExtData[1] << 8));
   if(antMessage->ANT_MESSAGE_stExtMesgBF.bANTRssi)
    m_last_rssi = antMessage->ANT_MESSAGE_aucExtData[5];
   
   flag = antMessage ->ANT_MESSAGE_ucExtMesgBF;
   switch (p_event_message_buffer[ANT_MSG_IDX_ID])
   {
       
    case MESG_BURST_DATA_ID:       
       //err_code = bsp_indication_set(BSP_INDICATE_RCV_OK);      
       payload = antMessage->ANT_MESSAGE_aucPayload;
       for(int i=0 ;i<MESSAGE_PAYLOAD;i++)
        {
         m_burst_data[i+byte_counter] = payload[i];
        }
       byte_counter+=8;
       printf("!");
      
      /* printf("Burst Rx@[%d,%d]", m_last_device_id, m_last_rssi);
       for(int i=0; i<MESSAGE_PAYLOAD;i++)
       {
        printf("%d ",payload[i]);
       }
       printf("\n");*/
       //APP_ERROR_CHECK(err_code);
       break;
    
     // Broadcast data recieved.
    case MESG_BROADCAST_DATA_ID:    
       err_code = bsp_indication_set(BSP_INDICATE_RCV_OK);
       byte_counter = 0;
       payload = antMessage->ANT_MESSAGE_aucPayload;
       printf("Rx@[%d,%d] ", m_last_device_id, m_last_rssi);
       for(int i=0; i<MESSAGE_PAYLOAD;i++)
       {
        printf("%d ",payload[i]);
        m_burst_data[i+byte_counter] = payload[i];
       }
       printf("\n");
       byte_counter+=8;
       APP_ERROR_CHECK(err_code);
       break;
    default:      
       break;
   } 

Thanks in advance for any tips.

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