SWRA751 September   2022

 

  1.   Introduction
  2.   Trademarks
  3. 1Command Packet
  4. 2Event Packet
  5. 3HCI Commands
    1. 3.1 HCI Commands List Format
    2. 3.2 Support HCI Commands Detailed Description
      1. 3.2.1  HCI_VS_Write_BD_Addr (0xFC06)
      2. 3.2.2  HCI_VS_Write_CODEC_Config (0xFD06)
      3. 3.2.3  HCI_VS_Write_CODEC_Config_Enhanced (0xFD07)
      4. 3.2.4  HCI_VS_DRP_Read_BER_Meter_Result (0xFD13)
      5. 3.2.5  HCI_VS_DRPb_Tester_Con_RX (0xFD17)
      6. 3.2.6  HCI_VS_LE_Enable (0xFD5B)
      7. 3.2.7  HCI_VS_Set_LE_Test_Mode_Parameters (0xFD77)
      8. 3.2.8  HCI_VS_DRPb_Enable_RF_Calibration (0xFD80)
      9. 3.2.9  HCI_VS_DRPb_Tester_Con_TX (0xFD84)
      10. 3.2.10 HCI_VS_DRPb_Tester_Packet_TX_RX (0xFD85)
      11. 3.2.11 HCI_VS_DRPb_Reset (0xFD88)
      12. 3.2.12 HCI_VS_DRPb_BER_Meter_Start (0xFD8B)
      13. 3.2.13 HCI VS LE Read Ber Test Results (0xFDAE)
      14. 3.2.14 HCI_VS_Read_RSSI (0xFDFC)
      15. 3.2.15 HCI_VS_Write_SCO_Configuration (0xFE10)
      16. 3.2.16 HCI_VS_Set_Pcm_Loopback_Enable (0xFE28)
      17. 3.2.17 HCI_VS_Read_Hardware_Register (0xFF00)
      18. 3.2.18 HCI_VS_Write_Hardware_Register (0xFF01)
      19. 3.2.19 HCI_VS_Update_UART_HCI_Baudrate (0xFF36)
      20. 3.2.20 HCI_VS_Set_Supported_Features (0xFF26)
      21. 3.2.21 HCI_VS_HCILL_Parameters (0xFD2B)
      22. 3.2.22 HCI_VS_Sleep_Mode_Configurations (0xFD0C)
      23. 3.2.23 HCI_VS_Get_System_Status (0xFE1F)
      24. 3.2.24 HCI_VS_Read_Patch_Version (0xFF22)
      25. 3.2.25 HCI_VS_DRPb_Set_Power_Vector (0xFD82)
      26. 3.2.26 HCI_VS_DRPb_Set_Class2_Single_Power (0xFD87)
      27. 3.2.27 HCI_VS_LE_Output_Power (0xFDDD)
      28. 3.2.28 HCI_VS_A3DP_Codec_Configuration (0xFD8E)
      29. 3.2.29 HCI_VS_AVPR_Enable (0xFD92)
      30. 3.2.30 HCI_VS_A3DP_Open_Stream (0xFD8C)
      31. 3.2.31 HCI_VS_A3DP_Close_Stream (0xFD8D)
      32. 3.2.32 HCI_VS_A3DP_Start_Stream (0xFD8F)
      33. 3.2.33 HCI_VS_A3DP_Stop_Stream (0xFD90)
      34. 3.2.34 HCI_VS_A3DP_Sink_Codec_Configuration (0xFD9C)
      35. 3.2.35 HCI_VS_A3DP_Sink_Open_Stream (0xFD9A)
      36. 3.2.36 HCI_VS_A3DP_Sink_Close_Stream (0xFD9B)
      37. 3.2.37 HCI_VS_A3DP_Sink_Start_Stream (0xFD9D)
      38. 3.2.38 HCI_VS_A3DP_Sink_Stop_Stream (0xFD9E)
      39. 3.2.39 HCI_VS_WBS_Associate (0xFD78)
      40. 3.2.40 HCI_VS_WBS_Disassociate (0xFD79)
  6. 4General Hardware Errors
  7. 5Revision History

3.2.15 HCI_VS_Write_SCO_Configuration (0xFE10)

Description:

The command configure SCO/eSCO voice path to either PCM or HCI. Once this command is issued, it is valid for all the following SCO/eSCO channels going to be created. It is used to determine the following parameters: SCO connection type - Host or CODEC TX packet length that will be used for flow control calculations. TX buffer max latency that will determine the value of Latency_Thr that determines how much time data can be in the TX buffer before it is flushed out. This parameter is applicable only if flow control is disabled. If flow control is enabled, then the host is in charge to regulate the data flow to keep the latency within limits. Once this command is used, the next ‘Read Buffer Size Command’ will return the new buffer size and an appropriate number of buffers.

Command Default Values:

  • Connection type = HCI connection (1)
  • TX buffer size = Don’t change
  • TX buffer maximum latency = 511 bytes
  • Accept packet with bad CRC = Don’t change
Table 3-30 Command Parameters HCI_VS_Write_SCO_Configuration (0xFE10), Connection type, TX Buffer Size, TX buffer max latency and Accept packet with bad CRC
Command Parameter Size (bytes) Value Description
Connection type 1 0
1
0xFF		 Codec
Host
Don't change
TX Buffer Size 1 0x0
30-255 bytes		 Keep Current Packet Size
New packet size in bytes
TX buffer max latency 2 0x00
1-720 bytes		 Keep current max latency
New max latency in bytes.
Accept packet with bad CRC 1 0x00
0x01
0xFF		 Reject packet with bad CRC
Accept packet with bad CRC
Don’t change
Table 3-31 Return Parameters
Returned Value Description Size (bytes) Events Generated
0x00
0x01 – 0xFF		 Command succeeded.
Command failed.		 1 Command Complete
0x00
0x01-0xFF		 Illegal value
New TX Buffer size New buffer size in bytes.		 1 Command Complete
0x00-0xFF Number of available buffers. 1 Command Complete