STM32 wakeup from CAN bus - c

Question

I am trying to wake up the CPU from the CAN bus but it fails. Data from the bus processor receive but does not wake it up, for example, an interrupt from GPIO wakes it up and then it responds to the last 3 data from CAN Bus
CPU STM32F103C6
HAL_SuspendTick();
HAL_TIM_Base_Stop(&htim1);
HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
HAL_TIM_Base_Start(&htim1);
HAL_ResumeTick();
tick_sleep = HAL_GetTick();
HAL Config interrupt
CAN Bus config
void MX_CAN_Init(void)
{
/* USER CODE BEGIN CAN_Init 0 */
/* USER CODE END CAN_Init 0 */
/* USER CODE BEGIN CAN_Init 1 */
/* USER CODE END CAN_Init 1 */
hcan.Instance = CAN1;
hcan.Init.Prescaler = 6;
hcan.Init.Mode = CAN_MODE_NORMAL;
hcan.Init.SyncJumpWidth = CAN_SJW_1TQ;
hcan.Init.TimeSeg1 = CAN_BS1_2TQ;
hcan.Init.TimeSeg2 = CAN_BS2_1TQ;
hcan.Init.TimeTriggeredMode = DISABLE;
hcan.Init.AutoBusOff = ENABLE;
hcan.Init.AutoWakeUp = ENABLE;
hcan.Init.AutoRetransmission = ENABLE;
hcan.Init.ReceiveFifoLocked = DISABLE;
hcan.Init.TransmitFifoPriority = DISABLE;
if (HAL_CAN_Init(&hcan) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN CAN_Init 2 */
HAL_CAN_Start(&hcan);
CAN_FilterTypeDef sFilterConfig;
sFilterConfig.FilterIdHigh = 0xFFFF;
sFilterConfig.FilterIdLow = 0xFFFF;
sFilterConfig.FilterMaskIdHigh = 0;
sFilterConfig.FilterMaskIdLow = 0;
sFilterConfig.FilterFIFOAssignment = CAN_RX_FIFO0;
sFilterConfig.FilterBank = 0;
sFilterConfig.FilterMode = CAN_FILTERMODE_IDMASK;
sFilterConfig.FilterScale = CAN_FILTERSCALE_16BIT;
sFilterConfig.FilterActivation = ENABLE;
sFilterConfig.SlaveStartFilterBank = 0;
HAL_CAN_ConfigFilter(&hcan,&sFilterConfig);
/* USER CODE END CAN_Init 2 */
}

Answer 1

I forgot to run interrupts from CAN
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_CAN_Init();
MX_I2C1_Init();
MX_TIM3_Init();
MX_USART2_UART_Init();
MX_TIM1_Init();
/* USER CODE BEGIN 2 */
HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_1);
HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_3);
HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_4);
HAL_TIM_Base_Start_IT(&htim1);
HAL_CAN_ActivateNotification(&hcan, CAN_IT_RX_FIFO0_MSG_PENDING); // CAN interrupts start