Not able to get BLE working on STM32WB55CGU6

[Jaws404]

Hello,

I'm trying to get BLE working on my custom STM32WB55CGU6 board. I was following this tutorial since it matches well with my setup: STM32 Bluetooth Firmware Tutorial (Bring-Up) - Phil's Lab #129

However I am not able to see my board using nRF Connect app. Code does not seem to end in any error and keeps looping this part:

  while (1)
  {
    /* USER CODE END WHILE */
    MX_APPE_Process();

    /* USER CODE BEGIN 3 */
  }

I have flashed the FUS and BLE_Stack_full_fw using STM32CubeProgrammer:

I'm new with STM32CubeIDE tool and would appreciate any help in this matter :smiling_face_with_smiling_eyes:

Here is my full program with schematic of the board: https://github.com/nikorainto/STM32WB55CGU6_BLE_TEST

[FilipKremen]

Hello,

can you please place a breakpoint in APPE_SysUserEvtRx function to see the event code? (app_entry.c)

You can start debugging by clicking on the bug button.

Best regards,

FK

[Jaws404]

Thank you for reaching out :smiling_face_with_smiling_eyes: I took a screenshot of the values it shows

[FilipKremen]

The event code seems okay. Can you please step further?

In APPE_SysEvtReadyProcessing function, the code should jump at WIRELESS_FW_RUNNING.

APP_BLE_Init() function must be called to start advertising.

Best regards,

FK

[Jaws404]

It seems not to enter the "wireless firmware running" block but instead this

else if (p_sys_ready_event->sysevt_ready_rsp == FUS_FW_RUNNING)
  {
    /**
    * The FUS firmware is running on the CPU2
    * In the scope of this application, there should be no case when we get here
    */
    APP_DBG_MSG(">>== SHCI_SUB_EVT_CODE_READY - FUS_FW_RUNNING \n\r");

    /* The packet shall not be released as this is not supported by the FUS */
    ((tSHCI_UserEvtRxParam*)pPayload)->status = SHCI_TL_UserEventFlow_Disable;
  }

Red arrow points that the second breakpoint is not reached

[FilipKremen · Accepted solution]

Thank you, currently the MCU is running FUS.

STM32WB Firmware Upgrade Service - stm32mcu

Please connect the board to STM32CubeProgrammer, click on "Start Wireless Stack" button and flash the application again. It should fix the issue.

Best regards,

FK

[Jaws404]

Thank you a lot! Somehow I have missed this step but it seemed to fix and now I'm able to continue!