Non-working Case: root@a827c88f2726:~# ./Btool manually USB: PORT OPEN SUCCESSFUL ! Option Code: [0] [Exit Testing] [1] HCIExt_ResetSystemCmd [2] GAP_DeviceInit [3] GapInit_getPhyParam [4] HCIExt_SetMaxDtmTxPowerDbmCmd [5] HCIExt_SetMaxDtmTxPowerCmd [6] HCI_LE_EnhancedTransmitterTest [7] HCI_LE_TransmitterTest [8] HCI_LE_ReceiverTest [9] HCI_LE_TestEnd Input Opcode => 1 [0] : SEND MSG >>> HCIExt_ResetSystemCmd 01 1D FC 01 00 [1] : RECV MSG <<< Input Opcode => 0 USB: PORT CLOSED SUCCESSFUL ! root@a827c88f2726:~# ./Btool auto USB: PORT OPEN SUCCESSFUL ! [0] : SEND MSG >>> HCIExt_ResetSystemCmd 01 1D FC 01 00 [1] : RECV MSG <<< [2] : SEND MSG >>> GAP_DeviceInit 01 00 FE 08 08 00 00 00 00 00 00 00 [3] : RECV MSG <<< [4] : SEND MSG >>> GapInit_getPhyParam 01 61 FE 02 01 02 [5] : RECV MSG <<< [6] : SEND MSG >>> GapInit_getPhyParam 01 61 FE 02 01 03 [7] : RECV MSG <<< [8] : SEND MSG >>> GapInit_getPhyParam 01 61 FE 02 01 04 [9] : RECV MSG <<< [10] : SEND MSG >>> GapInit_getPhyParam 01 61 FE 02 01 05 [11] : RECV MSG <<< [12] : SEND MSG >>> HCIExt_SetMaxDtmTxPowerDbmCmd 01 30 FC 02 08 00 [13] : RECV MSG <<< [14] : SEND MSG >>> HCI_LE_EnhancedTransmitterTest 01 34 20 04 00 25 00 01 [15] : RECV MSG <<< [16] : SEND MSG >>> HCI_LE_TestEnd 01 1F 20 00 [17] : RECV MSG <<< [18] : SEND MSG >>> HCI_LE_EnhancedTransmitterTest 01 34 20 04 00 25 00 01 [19] : RECV MSG <<< ^C Working Case: root@a47d78cbc630:~# ./Btool manually USB: PORT OPEN SUCCESSFUL ! Option Code: [0] [Exit Testing] [1] HCIExt_ResetSystemCmd [2] GAP_DeviceInit [3] GapInit_getPhyParam [4] HCIExt_SetMaxDtmTxPowerDbmCmd [5] HCIExt_SetMaxDtmTxPowerCmd [6] HCI_LE_EnhancedTransmitterTest [7] HCI_LE_TransmitterTest [8] HCI_LE_ReceiverTest [9] HCI_LE_TestEnd Input Opcode => 1 [0] : SEND MSG >>> HCIExt_ResetSystemCmd 01 1D FC 01 00 [1] : RECV MSG <<< 04 FF 05 1D 04 00 1D FC Input Opcode => 0 USB: PORT CLOSED SUCCESSFUL ! root@a47d78cbc630:~# ./Btool auto USB: PORT OPEN SUCCESSFUL ! [0] : SEND MSG >>> HCIExt_ResetSystemCmd 01 1D FC 01 00 [1] : RECV MSG <<< 04 FF 05 1D 04 00 1D FC [2] : SEND MSG >>> GAP_DeviceInit 01 00 FE 08 08 00 00 00 00 00 00 00 [3] : RECV MSG <<< 04 FF 06 7F 06 00 00 FE 00 04 FF 2C 00 06 00 0F 10 EA EF 9C 14 FF 00 05 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FC 07 6E 93 24 20 38 F9 69 C3 C1 8D 5B 86 02 65 [4] : SEND MSG >>> GapInit_getPhyParam 01 61 FE 02 01 02 [5] : RECV MSG <<< 04 FF 09 7F 06 00 61 FE 03 02 50 00 [6] : SEND MSG >>> GapInit_getPhyParam 01 61 FE 02 01 03 [7] : RECV MSG <<< 04 FF 09 7F 06 00 61 FE 03 03 50 00 [8] : SEND MSG >>> GapInit_getPhyParam 01 61 FE 02 01 04 [9] : RECV MSG <<< 04 FF 09 7F 06 00 61 FE 03 04 00 00 [10] : SEND MSG >>> GapInit_getPhyParam 01 61 FE 02 01 05 [11] : RECV MSG <<< 04 FF 09 7F 06 00 61 FE 03 05 D0 07 [12] : SEND MSG >>> HCIExt_SetMaxDtmTxPowerDbmCmd 01 30 FC 02 08 00 [13] : RECV MSG <<< [14] : SEND MSG >>> HCI_LE_EnhancedTransmitterTest 01 34 20 04 00 25 00 01 [15] : RECV MSG <<< 04 0E 04 01 34 20 00 [16] : SEND MSG >>> HCI_LE_TestEnd 01 1F 20 00 [17] : RECV MSG <<< 04 0E 06 01 1F 20 00 00 00 [18] : SEND MSG >>> HCI_LE_EnhancedTransmitterTest 01 34 20 04 00 25 00 01 [19] : RECV MSG <<< 04 0E 04 01 34 20