void HAL_CAN_MspDeInit(CAN_HandleTypeDef* hcan) { if(hcan->Instance==CAN1) { /* USER CODE BEGIN CAN1_MspDeInit 0 */ /* USER CODE END CAN1_MspDeInit 0 */ /* Peripheral clock disable */ HAL_RCC_CAN1_CLK_ENABLED--; if(HAL_RCC_CAN1_CLK_ENABLED==0){ __HAL_RCC_CAN1_CLK_DISABLE(); } /**CAN1 GPIO Configuration PB8 ------> CAN1_RX PB9 ------> CAN1_TX */ HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8|GPIO_PIN_9); /* Peripheral interrupt Deinit*/ HAL_NVIC_DisableIRQ(CAN1_TX_IRQn); HAL_NVIC_DisableIRQ(CAN1_RX0_IRQn); HAL_NVIC_DisableIRQ(CAN1_RX1_IRQn); /* USER CODE BEGIN CAN1_MspDeInit 1 */ /* USER CODE END CAN1_MspDeInit 1 */ } else if(hcan->Instance==CAN2) { /* USER CODE BEGIN CAN2_MspDeInit 0 */ /* USER CODE END CAN2_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_CAN2_CLK_DISABLE(); HAL_RCC_CAN1_CLK_ENABLED--; if(HAL_RCC_CAN1_CLK_ENABLED==0){ __HAL_RCC_CAN1_CLK_DISABLE(); } /**CAN2 GPIO Configuration PB5 ------> CAN2_RX PB6 ------> CAN2_TX */ HAL_GPIO_DeInit(GPIOB, GPIO_PIN_5|GPIO_PIN_6); /* USER CODE BEGIN CAN2_MspDeInit 1 */ /* USER CODE END CAN2_MspDeInit 1 */ } }
void can_free(can_t *obj) { // Reset CAN and disable clock if (obj->can == CAN_1) { __HAL_RCC_CAN1_FORCE_RESET(); __HAL_RCC_CAN1_RELEASE_RESET(); __HAL_RCC_CAN1_CLK_DISABLE(); } if (obj->can == CAN_2) { __HAL_RCC_CAN2_FORCE_RESET(); __HAL_RCC_CAN2_RELEASE_RESET(); __HAL_RCC_CAN2_CLK_DISABLE(); } }
void can_free(can_t *obj) { // Reset CAN and disable clock if (obj->can == CAN_1) { __HAL_RCC_CAN1_FORCE_RESET(); __HAL_RCC_CAN1_RELEASE_RESET(); __HAL_RCC_CAN1_CLK_DISABLE(); } #if defined(CAN2_BASE) && (CAN_NUM == 2) if (obj->can == CAN_2) { __HAL_RCC_CAN2_FORCE_RESET(); __HAL_RCC_CAN2_RELEASE_RESET(); __HAL_RCC_CAN2_CLK_DISABLE(); } #endif }
void can_free(can_t *obj) { CANName can = (CANName) obj->CanHandle.Instance; // Reset CAN and disable clock if (can == CAN_1) { __HAL_RCC_CAN1_FORCE_RESET(); __HAL_RCC_CAN1_RELEASE_RESET(); __HAL_RCC_CAN1_CLK_DISABLE(); } #if defined(CAN2_BASE) && (CAN_NUM > 1) if (can == CAN_2) { __HAL_RCC_CAN2_FORCE_RESET(); __HAL_RCC_CAN2_RELEASE_RESET(); __HAL_RCC_CAN2_CLK_DISABLE(); } #endif #if defined(CAN3_BASE) && (CAN_NUM > 2) if (can == CAN_3) { __HAL_RCC_CAN3_FORCE_RESET(); __HAL_RCC_CAN3_RELEASE_RESET(); __HAL_RCC_CAN3_CLK_DISABLE(); } #endif }