HAL_StatusTypeDef HAL_TIM_UnRegisterCallback()

in boards/STM32L475_Discovery/STM32L4xx_HAL_Driver/stm32l4xx_hal_tim.c [5175:5360]
140 lines of code
40 McCabe index (conditional complexity)

HAL_StatusTypeDef HAL_TIM_UnRegisterCallback(TIM_HandleTypeDef *htim, HAL_TIM_CallbackIDTypeDef CallbackID)
{
  HAL_StatusTypeDef status = HAL_OK;

  /* Process locked */
  __HAL_LOCK(htim);

  if (htim->State == HAL_TIM_STATE_READY)
  {
    switch (CallbackID)
    {
      case HAL_TIM_BASE_MSPINIT_CB_ID :
        htim->Base_MspInitCallback         = HAL_TIM_Base_MspInit;              /* Legacy weak Base MspInit Callback */
        break;

      case HAL_TIM_BASE_MSPDEINIT_CB_ID :
        htim->Base_MspDeInitCallback       = HAL_TIM_Base_MspDeInit;            /* Legacy weak Base Msp DeInit Callback */
        break;

      case HAL_TIM_IC_MSPINIT_CB_ID :
        htim->IC_MspInitCallback           = HAL_TIM_IC_MspInit;                /* Legacy weak IC Msp Init Callback */
        break;

      case HAL_TIM_IC_MSPDEINIT_CB_ID :
        htim->IC_MspDeInitCallback         = HAL_TIM_IC_MspDeInit;              /* Legacy weak IC Msp DeInit Callback */
        break;

      case HAL_TIM_OC_MSPINIT_CB_ID :
        htim->OC_MspInitCallback           = HAL_TIM_OC_MspInit;                /* Legacy weak OC Msp Init Callback */
        break;

      case HAL_TIM_OC_MSPDEINIT_CB_ID :
        htim->OC_MspDeInitCallback         = HAL_TIM_OC_MspDeInit;              /* Legacy weak OC Msp DeInit Callback */
        break;

      case HAL_TIM_PWM_MSPINIT_CB_ID :
        htim->PWM_MspInitCallback          = HAL_TIM_PWM_MspInit;               /* Legacy weak PWM Msp Init Callback */
        break;

      case HAL_TIM_PWM_MSPDEINIT_CB_ID :
        htim->PWM_MspDeInitCallback        = HAL_TIM_PWM_MspDeInit;             /* Legacy weak PWM Msp DeInit Callback */
        break;

      case HAL_TIM_ONE_PULSE_MSPINIT_CB_ID :
        htim->OnePulse_MspInitCallback     = HAL_TIM_OnePulse_MspInit;          /* Legacy weak One Pulse Msp Init Callback */
        break;

      case HAL_TIM_ONE_PULSE_MSPDEINIT_CB_ID :
        htim->OnePulse_MspDeInitCallback   = HAL_TIM_OnePulse_MspDeInit;        /* Legacy weak One Pulse Msp DeInit Callback */
        break;

      case HAL_TIM_ENCODER_MSPINIT_CB_ID :
        htim->Encoder_MspInitCallback      = HAL_TIM_Encoder_MspInit;           /* Legacy weak Encoder Msp Init Callback */
        break;

      case HAL_TIM_ENCODER_MSPDEINIT_CB_ID :
        htim->Encoder_MspDeInitCallback    = HAL_TIM_Encoder_MspDeInit;         /* Legacy weak Encoder Msp DeInit Callback */
        break;

      case HAL_TIM_HALL_SENSOR_MSPINIT_CB_ID :
        htim->HallSensor_MspInitCallback   = HAL_TIMEx_HallSensor_MspInit;      /* Legacy weak Hall Sensor Msp Init Callback */
        break;

      case HAL_TIM_HALL_SENSOR_MSPDEINIT_CB_ID :
        htim->HallSensor_MspDeInitCallback = HAL_TIMEx_HallSensor_MspDeInit;    /* Legacy weak Hall Sensor Msp DeInit Callback */
        break;

      case HAL_TIM_PERIOD_ELAPSED_CB_ID :
        htim->PeriodElapsedCallback        = HAL_TIM_PeriodElapsedCallback;     /* Legacy weak Period Elapsed Callback */
        break;

      case HAL_TIM_TRIGGER_CB_ID :
        htim->TriggerCallback              = HAL_TIM_TriggerCallback;           /* Legacy weak Trigger Callback */
        break;

      case HAL_TIM_IC_CAPTURE_CB_ID :
        htim->IC_CaptureCallback           = HAL_TIM_IC_CaptureCallback;        /* Legacy weak IC Capture Callback */
        break;

      case HAL_TIM_OC_DELAY_ELAPSED_CB_ID :
        htim->OC_DelayElapsedCallback      = HAL_TIM_OC_DelayElapsedCallback;   /* Legacy weak OC Delay Elapsed Callback */
        break;

      case HAL_TIM_PWM_PULSE_FINISHED_CB_ID :
        htim->PWM_PulseFinishedCallback    = HAL_TIM_PWM_PulseFinishedCallback; /* Legacy weak PWM Pulse Finished Callback */
        break;

      case HAL_TIM_ERROR_CB_ID :
        htim->ErrorCallback                = HAL_TIM_ErrorCallback;             /* Legacy weak Error Callback */
        break;

      case HAL_TIM_COMMUTATION_CB_ID :
        htim->CommutationCallback          = HAL_TIMEx_CommutationCallback;     /* Legacy weak Commutation Callback */
        break;

      case HAL_TIM_BREAK_CB_ID :
        htim->BreakCallback                = HAL_TIMEx_BreakCallback;           /* Legacy weak Break Callback */
        break;

      case HAL_TIM_BREAK2_CB_ID :
        htim->Break2Callback                = HAL_TIMEx_Break2Callback;           /* Legacy weak Break2 Callback */
        break;

      default :
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else if (htim->State == HAL_TIM_STATE_RESET)
  {
    switch (CallbackID)
    {
      case HAL_TIM_BASE_MSPINIT_CB_ID :
        htim->Base_MspInitCallback         = HAL_TIM_Base_MspInit;              /* Legacy weak Base MspInit Callback */
        break;

      case HAL_TIM_BASE_MSPDEINIT_CB_ID :
        htim->Base_MspDeInitCallback       = HAL_TIM_Base_MspDeInit;            /* Legacy weak Base Msp DeInit Callback */
        break;

      case HAL_TIM_IC_MSPINIT_CB_ID :
        htim->IC_MspInitCallback           = HAL_TIM_IC_MspInit;                /* Legacy weak IC Msp Init Callback */
        break;

      case HAL_TIM_IC_MSPDEINIT_CB_ID :
        htim->IC_MspDeInitCallback         = HAL_TIM_IC_MspDeInit;              /* Legacy weak IC Msp DeInit Callback */
        break;

      case HAL_TIM_OC_MSPINIT_CB_ID :
        htim->OC_MspInitCallback           = HAL_TIM_OC_MspInit;                /* Legacy weak OC Msp Init Callback */
        break;

      case HAL_TIM_OC_MSPDEINIT_CB_ID :
        htim->OC_MspDeInitCallback         = HAL_TIM_OC_MspDeInit;              /* Legacy weak OC Msp DeInit Callback */
        break;

      case HAL_TIM_PWM_MSPINIT_CB_ID :
        htim->PWM_MspInitCallback          = HAL_TIM_PWM_MspInit;               /* Legacy weak PWM Msp Init Callback */
        break;

      case HAL_TIM_PWM_MSPDEINIT_CB_ID :
        htim->PWM_MspDeInitCallback        = HAL_TIM_PWM_MspDeInit;             /* Legacy weak PWM Msp DeInit Callback */
        break;

      case HAL_TIM_ONE_PULSE_MSPINIT_CB_ID :
        htim->OnePulse_MspInitCallback     = HAL_TIM_OnePulse_MspInit;          /* Legacy weak One Pulse Msp Init Callback */
        break;

      case HAL_TIM_ONE_PULSE_MSPDEINIT_CB_ID :
        htim->OnePulse_MspDeInitCallback   = HAL_TIM_OnePulse_MspDeInit;        /* Legacy weak One Pulse Msp DeInit Callback */
        break;

      case HAL_TIM_ENCODER_MSPINIT_CB_ID :
        htim->Encoder_MspInitCallback      = HAL_TIM_Encoder_MspInit;           /* Legacy weak Encoder Msp Init Callback */
        break;

      case HAL_TIM_ENCODER_MSPDEINIT_CB_ID :
        htim->Encoder_MspDeInitCallback    = HAL_TIM_Encoder_MspDeInit;         /* Legacy weak Encoder Msp DeInit Callback */
        break;

      case HAL_TIM_HALL_SENSOR_MSPINIT_CB_ID :
        htim->HallSensor_MspInitCallback   = HAL_TIMEx_HallSensor_MspInit;      /* Legacy weak Hall Sensor Msp Init Callback */
        break;

      case HAL_TIM_HALL_SENSOR_MSPDEINIT_CB_ID :
        htim->HallSensor_MspDeInitCallback = HAL_TIMEx_HallSensor_MspDeInit;    /* Legacy weak Hall Sensor Msp DeInit Callback */
        break;

      default :
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else
  {
    /* Return error status */
    status =  HAL_ERROR;
  }

  /* Release Lock */
  __HAL_UNLOCK(htim);

  return status;
}