| /* USER CODE BEGIN Header */
|
| /**
|
| ******************************************************************************
|
| * @file : main.c
|
| * @brief : Main program body
|
| ******************************************************************************
|
| * @attention
|
| *
|
| * Copyright (c) 2024 STMicroelectronics.
|
| * All rights reserved.
|
| *
|
| * This software is licensed under terms that can be found in the LICENSE file
|
| * in the root directory of this software component.
|
| * If no LICENSE file comes with this software, it is provided AS-IS.
|
| *
|
| ******************************************************************************
|
| */
|
| /* USER CODE END Header */
|
| /* Includes ------------------------------------------------------------------*/
|
| #include "main.h"
|
| #include "stdint.h"
|
| #include "lcd.h"
|
| #include <stdint.h>
|
| #include<stm32f405xx.h>
|
| uint16_t data = 0;
|
|
|
| /* Private includes ----------------------------------------------------------*/
|
| /* USER CODE BEGIN Includes */
|
|
|
| /* USER CODE END Includes */
|
|
|
| /* Private typedef -----------------------------------------------------------*/
|
| /* USER CODE BEGIN PTD */
|
|
|
| /* USER CODE END PTD */
|
|
|
| /* Private define ------------------------------------------------------------*/
|
| /* USER CODE BEGIN PD */
|
| /* USER CODE END PD */
|
|
|
| /* Private macro -------------------------------------------------------------*/
|
| /* USER CODE BEGIN PM */
|
|
|
| /* USER CODE END PM */
|
|
|
| /* Private variables ---------------------------------------------------------*/
|
| CAN_HandleTypeDef hcan1;
|
| CAN_HandleTypeDef hcan2;
|
|
|
| CAN_RxHeaderTypeDef RXHeader;
|
| CAN_TxHeaderTypeDef TXHeader;
|
| CAN_RxHeaderTypeDef RXHeader1;
|
| CAN_TxHeaderTypeDef TXHeader1;
|
| CAN_FilterTypeDef CAN2f;
|
| CAN_FilterTypeDef CAN2f1;
|
|
|
| uint32_t Txmailbox = CAN_TX_MAILBOX0;
|
| uint32_t Rxfifo= CAN_FILTER_FIFO0;
|
| uint8_t Txdata[15]="AIR BAG ";
|
| uint8_t Txdata1[15]="ALL OK";
|
| uint8_t Rxdata[15];
|
| uint8_t Rxdata1[15];
|
|
|
| void Txframe(){
|
| TXHeader.StdId = 0x01;
|
| TXHeader.IDE = CAN_ID_STD;
|
| TXHeader.RTR = CAN_RTR_DATA;
|
| TXHeader.DLC = 15;
|
| /* USER CODE BEGIN PV */
|
| }
|
| void filter2(){
|
| CAN2f.FilterMode = CAN_FILTERMODE_IDLIST;
|
| CAN2f.FilterScale = CAN_FILTERSCALE_32BIT;
|
| CAN2f.FilterIdHigh = 0x01<<5;
|
| CAN2f.FilterIdLow = 0;
|
| CAN2f.FilterActivation = CAN_FILTER_FIFO0;
|
| CAN2f.FilterBank = 0;
|
| CAN2f.FilterActivation = CAN_FILTER_ENABLE;
|
| HAL_CAN_ConfigFilter(&hcan2, &CAN2f);
|
|
|
| }
|
| void Txframe1(){
|
| TXHeader1.StdId = 0x02;
|
| TXHeader1.IDE = CAN_ID_STD;
|
| TXHeader1.RTR = CAN_RTR_DATA;
|
| TXHeader1.DLC = 15;
|
| /* USER CODE BEGIN PV */
|
| }
|
| void filter3(){
|
| CAN2f1.FilterMode = CAN_FILTERMODE_IDLIST;
|
| CAN2f1.FilterScale = CAN_FILTERSCALE_32BIT;
|
| CAN2f1.FilterIdHigh = 0x02<<5;
|
| CAN2f1.FilterIdLow = 0;
|
| CAN2f1.FilterActivation = CAN_FILTER_FIFO0;
|
| CAN2f1.FilterBank = 1;
|
| CAN2f1.FilterActivation = CAN_FILTER_ENABLE;
|
| HAL_CAN_ConfigFilter(&hcan1, &CAN2f1);
|
|
|
| }
|
|
|
| void init_ADC1(){
|
|
|
| RCC->APB2ENR|=(1<<8);//for adc
|
| ADC1->SQR3=12;//select sequence and 12th channel 01100
|
|
|
| ADC1->SQR1&=~(0XF<<20);//for single convertion all bit 0000
|
| }
|
| void enable_ADC1(){
|
|
|
| ADC1->CR2|=(1<<1);//enable ADC
|
| ADC1->CR2|=(1<<0);//1 continue conversion 0 one time convertion
|
|
|
| }
|
| void start_con(){
|
| ADC1->CR2|=(1<<30);
|
| }
|
| uint16_t read_data(){
|
| return ADC1->DR;
|
| }
|
|
|
|
|
|
|
| /* USER CODE END PV */
|
|
|
| /* Private function prototypes -----------------------------------------------*/
|
| void SystemClock_Config(void);
|
| static void MX_GPIO_Init(void);
|
| static void MX_CAN1_Init(void);
|
| static void MX_CAN2_Init(void);
|
| /* USER CODE BEGIN PFP */
|
|
|
| /* USER CODE END PFP */
|
|
|
| /* Private user code ---------------------------------------------------------*/
|
| /* USER CODE BEGIN 0 */
|
|
|
| /* USER CODE END 0 */
|
|
|
| /**
|
| * @brief The application entry point.
|
| * @retval int
|
| */
|
| int main(void)
|
|
|
| {
|
| RCC->AHB1ENR|=(1<<0)|(1<<1)|(1<<2);
|
| GPIOC->MODER&=~(1<<13);//pc6-L1
|
| GPIOC->MODER|=(1<<12);
|
| GPIOB->MODER&=~(1<<27);//pb13-L2
|
| GPIOB->MODER|=(1<<26);
|
| GPIOB->MODER&=~(1<<29);//pb14-L3
|
| GPIOB->MODER|=(1<<28);
|
| GPIOB->MODER&=~(1<<31);//pb15-L4
|
| GPIOB->MODER|=(1<<30);
|
| RCC->AHB1ENR|=(1<<2);
|
| GPIOC->MODER|=(1<<4)|(1<<5);
|
| GPIOC->MODER &= ~(3<<18);
|
| GPIOC->MODER |= (1<<18);
|
|
|
| //initially buzzer is off
|
| GPIOC->ODR &= ~(1<<9);
|
| init_ADC1();
|
| enable_ADC1();
|
|
|
|
|
| init();
|
| /* USER CODE BEGIN 1 */
|
|
|
| /* USER CODE END 1 */
|
|
|
| /* MCU Configuration--------------------------------------------------------*/
|
|
|
| /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
|
| HAL_Init();
|
|
|
| /* USER CODE BEGIN Init */
|
|
|
| /* USER CODE END Init */
|
|
|
| /* Configure the system clock */
|
| SystemClock_Config();
|
|
|
| /* USER CODE BEGIN SysInit */
|
|
|
| /* USER CODE END SysInit */
|
|
|
| /* Initialize all configured peripherals */
|
| MX_GPIO_Init();
|
| MX_CAN1_Init();
|
| MX_CAN2_Init();
|
| filter2();
|
| Txframe();
|
| filter3();
|
| Txframe1();
|
| HAL_CAN_Start(&hcan1);
|
| HAL_CAN_Start(&hcan2);
|
| /* USER CODE BEGIN 2 */
|
|
|
| /* USER CODE END 2 */
|
|
|
| /* Infinite loop */
|
| /* USER CODE BEGIN WHILE */
|
| while (1)
|
| {
|
|
|
| start_con();//start conversion swstart
|
|
|
| while(!(ADC1->SR&(1<<1)));//wait till complete conersion once done comes out from the loop
|
| data=read_data();//data read
|
| for(int i=0;i<100000;i++);
|
| if(data>1000){
|
| GPIOC->ODR |= (1<<9);
|
| for(unsigned int g=0;g<100000;g++);
|
| GPIOC->ODR &= ~(1<<9);
|
| for(unsigned int g=0;g<100000;g++);
|
|
|
|
|
| /* USER CODE END WHILE */
|
| // HAL_CAN_AddTxMessage(&hcan1, &TXHeader, Txdata, &Txmailbox);
|
| // set_cursor(0,1);
|
| // print(Txdata);
|
| HAL_CAN_AddTxMessage(&hcan1, &TXHeader, Txdata, &Txmailbox);
|
| HAL_CAN_GetRxMessage(&hcan2, Rxfifo ,&RXHeader, Rxdata);
|
| set_cursor(0,1);
|
| print(Rxdata);
|
| }
|
| else {
|
| GPIOC->ODR &= ~(1<<9);
|
| for(unsigned int g=0;g<100000;g++);
|
| HAL_CAN_AddTxMessage(&hcan2, &TXHeader1, Txdata1, &Txmailbox);
|
|
|
| HAL_CAN_GetRxMessage(&hcan1, Rxfifo ,&RXHeader1, Rxdata1);
|
| set_cursor(1,1);
|
| print(Rxdata1);
|
| }
|
|
|
|
|
| /* USER CODE BEGIN 3 */
|
| }
|
| /* USER CODE END 3 */
|
| }
|
|
|
| /**
|
| * @brief System Clock Configuration
|
| * @retval None
|
| */
|
| void SystemClock_Config(void)
|
| {
|
| RCC_OscInitTypeDef RCC_OscInitStruct = {0};
|
| RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
|
|
|
| /** Configure the main internal regulator output voltage
|
| */
|
| __HAL_RCC_PWR_CLK_ENABLE();
|
| __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
|
|
|
| /** Initializes the RCC Oscillators according to the specified parameters
|
| * in the RCC_OscInitTypeDef structure.
|
| */
|
| RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
|
| RCC_OscInitStruct.HSIState = RCC_HSI_ON;
|
| RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
|
| RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
|
| if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
| {
|
| Error_Handler();
|
| }
|
|
|
| /** Initializes the CPU, AHB and APB buses clocks
|
| */
|
| RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|
| |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
|
| RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
|
| RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
| RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
|
| RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
|
|
|
| if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
|
| {
|
| Error_Handler();
|
| }
|
| }
|
|
|
| /**
|
| * @brief CAN1 Initialization Function
|
| * @param None
|
| * @retval None
|
| */
|
| static void MX_CAN1_Init(void)
|
| {
|
|
|
| /* USER CODE BEGIN CAN1_Init 0 */
|
|
|
| /* USER CODE END CAN1_Init 0 */
|
|
|
| /* USER CODE BEGIN CAN1_Init 1 */
|
|
|
| /* USER CODE END CAN1_Init 1 */
|
| hcan1.Instance = CAN1;
|
| hcan1.Init.Prescaler = 8;
|
| hcan1.Init.Mode = CAN_MODE_NORMAL;
|
| hcan1.Init.SyncJumpWidth = CAN_SJW_1TQ;
|
| hcan1.Init.TimeSeg1 = CAN_BS1_2TQ;
|
| hcan1.Init.TimeSeg2 = CAN_BS2_1TQ;
|
| hcan1.Init.TimeTriggeredMode = DISABLE;
|
| hcan1.Init.AutoBusOff = DISABLE;
|
| hcan1.Init.AutoWakeUp = DISABLE;
|
| hcan1.Init.AutoRetransmission = DISABLE;
|
| hcan1.Init.ReceiveFifoLocked = DISABLE;
|
| hcan1.Init.TransmitFifoPriority = DISABLE;
|
| if (HAL_CAN_Init(&hcan1) != HAL_OK)
|
| {
|
| Error_Handler();
|
| }
|
| /* USER CODE BEGIN CAN1_Init 2 */
|
|
|
| /* USER CODE END CAN1_Init 2 */
|
|
|
| }
|
|
|
| /**
|
| * @brief CAN2 Initialization Function
|
| * @param None
|
| * @retval None
|
| */
|
| static void MX_CAN2_Init(void)
|
| {
|
|
|
| /* USER CODE BEGIN CAN2_Init 0 */
|
|
|
| /* USER CODE END CAN2_Init 0 */
|
|
|
| /* USER CODE BEGIN CAN2_Init 1 */
|
|
|
| /* USER CODE END CAN2_Init 1 */
|
| hcan2.Instance = CAN2;
|
| hcan2.Init.Prescaler = 8;
|
| hcan2.Init.Mode = CAN_MODE_NORMAL;
|
| hcan2.Init.SyncJumpWidth = CAN_SJW_1TQ;
|
| hcan2.Init.TimeSeg1 = CAN_BS1_2TQ;
|
| hcan2.Init.TimeSeg2 = CAN_BS2_1TQ;
|
| hcan2.Init.TimeTriggeredMode = DISABLE;
|
| hcan2.Init.AutoBusOff = DISABLE;
|
| hcan2.Init.AutoWakeUp = DISABLE;
|
| hcan2.Init.AutoRetransmission = DISABLE;
|
| hcan2.Init.ReceiveFifoLocked = DISABLE;
|
| hcan2.Init.TransmitFifoPriority = DISABLE;
|
| if (HAL_CAN_Init(&hcan2) != HAL_OK)
|
| {
|
| Error_Handler();
|
| }
|
| /* USER CODE BEGIN CAN2_Init 2 */
|
|
|
| /* USER CODE END CAN2_Init 2 */
|
|
|
| }
|
|
|
| /**
|
| * @brief GPIO Initialization Function
|
| * @param None
|
| * @retval None
|
| */
|
| static void MX_GPIO_Init(void)
|
| {
|
| GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|
|
| /* GPIO Ports Clock Enable */
|
| __HAL_RCC_GPIOC_CLK_ENABLE();
|
| __HAL_RCC_GPIOB_CLK_ENABLE();
|
|
|
| /*Configure GPIO pin Output Level */
|
| HAL_GPIO_WritePin(GPIOC, CAN1_STB_Pin|CAN2_STB_Pin, GPIO_PIN_RESET);
|
|
|
| /*Configure GPIO pins : CAN1_STB_Pin CAN2_STB_Pin */
|
| GPIO_InitStruct.Pin = CAN1_STB_Pin|CAN2_STB_Pin;
|
| GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
| GPIO_InitStruct.Pull = GPIO_NOPULL;
|
| GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
| HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
|
|
|
| }
|
|
|
| /* USER CODE BEGIN 4 */
|
|
|
| /* USER CODE END 4 */
|
|
|
| /**
|
| * @brief This function is executed in case of error occurrence.
|
| * @retval None
|
| */
|
| void Error_Handler(void)
|
| {
|
|
|
| /* USER CODE BEGIN Error_Handler_Debug */
|
| /* User can add his own implementation to report the HAL error return state */
|
| __disable_irq();
|
| while (1)
|
| {
|
| }
|
| /* USER CODE END Error_Handler_Debug */
|
| }
|
|
|
|
|
|
|
| #ifdef USE_FULL_ASSERT
|
| /**
|
| * @brief Reports the name of the source file and the source line number
|
| * where the assert_param error has occurred.
|
| * @param file: pointer to the source file name
|
| * @param line: assert_param error line source number
|
| * @retval None
|
| */
|
| void assert_failed(uint8_t *file, uint32_t line)
|
| {
|
| /* USER CODE BEGIN 6 */
|
| /* User can add his own implementation to report the file name and line number,
|
| ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
|
| /* USER CODE END 6 */
|
| }
|
| #endif /* USE_FULL_ASSERT */
|