580 lines
17 KiB
C
580 lines
17 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : main.c
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* @brief : Main program body
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2024 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include "RFID.h"
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#include <stdio.h>
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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/* USER CODE END PTD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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I2C_HandleTypeDef hi2c1;
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SPI_HandleTypeDef hspi1;
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UART_HandleTypeDef huart2;
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/* USER CODE BEGIN PV */
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uint16_t old_keypad_state;
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uint16_t keypad_state;
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uint16_t old_button_state;
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uint16_t button_state;
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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static void MX_GPIO_Init(void);
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static void MX_I2C1_Init(void);
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static void MX_SPI1_Init(void);
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static void MX_USART2_UART_Init(void);
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/* USER CODE BEGIN PFP */
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#ifdef __GNUC__
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/* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
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set to 'Yes') calls __io_putchar() */
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#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
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#else
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#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
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#endif /* __GNUC__ */
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void init_keypad(void);
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void init_buttons(void);
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void scan_keypad(void);
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void scan_buttons(void);
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void send_iterupt(void);
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void printBinary(uint16_t num) {
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for (int i = 15; i >= 0; --i) {
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printf("%d", (num >> i) & 1);
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}
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printf("\r\n");
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}
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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uint8_t data[8] = {0};
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uint16_t recv_cnt = 0;
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/* USER CODE END 0 */
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/**
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* @brief The application entry point.
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* @retval int
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*/
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int main(void)
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{
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_I2C1_Init();
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MX_SPI1_Init();
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MX_USART2_UART_Init();
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/* USER CODE BEGIN 2 */
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init_keypad();
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init_buttons();
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rc522_init();
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printf("Hello, world!\r\n");
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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uint8_t rfid_id[4] = {0};
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while (1)
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{
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HAL_Delay(500);
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// scan_keypad();
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// scan_buttons();
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// printBinary(keypad_state);
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// printf("s: %d\r\n", keypad_state);
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// printf("r: %d\r\n", recv_cnt);
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// printf("d: %d %d %d %d, %d %d %d %d\r\n", data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7]);
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// HAL_I2C_Slave_Receive_IT(&hi2c1, (uint8_t*)&data, 8);
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if(rc522_checkCard(rfid_id)) {
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printf("0x%x 0x%x 0x%x 0x%x\r\n", rfid_id[0], rfid_id[1], rfid_id[2], rfid_id[3]);
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}
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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}
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/* USER CODE END 3 */
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/** Configure the main internal regulator output voltage
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*/
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HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSE;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/**
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* @brief I2C1 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_I2C1_Init(void)
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{
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/* USER CODE BEGIN I2C1_Init 0 */
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/* USER CODE END I2C1_Init 0 */
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/* USER CODE BEGIN I2C1_Init 1 */
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/* USER CODE END I2C1_Init 1 */
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hi2c1.Instance = I2C1;
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hi2c1.Init.Timing = 0x2000090E;
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hi2c1.Init.OwnAddress1 = 252;
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hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
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hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
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hi2c1.Init.OwnAddress2 = 0;
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hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
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hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
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hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
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if (HAL_I2C_Init(&hi2c1) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure Analogue filter
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*/
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if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure Digital filter
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*/
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if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN I2C1_Init 2 */
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/* USER CODE END I2C1_Init 2 */
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}
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/**
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* @brief SPI1 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_SPI1_Init(void)
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{
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/* USER CODE BEGIN SPI1_Init 0 */
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/* USER CODE END SPI1_Init 0 */
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/* USER CODE BEGIN SPI1_Init 1 */
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/* USER CODE END SPI1_Init 1 */
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/* SPI1 parameter configuration*/
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hspi1.Instance = SPI1;
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hspi1.Init.Mode = SPI_MODE_MASTER;
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hspi1.Init.Direction = SPI_DIRECTION_2LINES;
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hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
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hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
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hspi1.Init.NSS = SPI_NSS_SOFT;
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hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
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hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi1.Init.CRCPolynomial = 7;
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hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
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hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
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if (HAL_SPI_Init(&hspi1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN SPI1_Init 2 */
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/* USER CODE END SPI1_Init 2 */
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}
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/**
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* @brief USART2 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_USART2_UART_Init(void)
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{
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/* USER CODE BEGIN USART2_Init 0 */
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/* USER CODE END USART2_Init 0 */
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/* USER CODE BEGIN USART2_Init 1 */
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/* USER CODE END USART2_Init 1 */
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huart2.Instance = USART2;
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huart2.Init.BaudRate = 115200;
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huart2.Init.WordLength = UART_WORDLENGTH_8B;
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huart2.Init.StopBits = UART_STOPBITS_1;
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huart2.Init.Parity = UART_PARITY_NONE;
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huart2.Init.Mode = UART_MODE_TX_RX;
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huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart2.Init.OverSampling = UART_OVERSAMPLING_16;
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huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
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huart2.Init.ClockPrescaler = UART_PRESCALER_DIV1;
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huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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if (HAL_UART_Init(&huart2) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_UARTEx_SetTxFifoThreshold(&huart2, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_UARTEx_SetRxFifoThreshold(&huart2, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_UARTEx_DisableFifoMode(&huart2) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN USART2_Init 2 */
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/* USER CODE END USART2_Init 2 */
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}
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/**
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* @brief GPIO Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* USER CODE BEGIN MX_GPIO_Init_1 */
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/* USER CODE END MX_GPIO_Init_1 */
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOF_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(RFID_CS_GPIO_Port, RFID_CS_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(RFID_RST_GPIO_Port, RFID_RST_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOB, COL1_Pin|KP_C2_Pin|KP_C3_Pin|KP_C4_Pin, GPIO_PIN_SET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(COL2_GPIO_Port, COL2_Pin, GPIO_PIN_SET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOD, COL3_Pin|KP_C1_Pin, GPIO_PIN_SET);
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/*Configure GPIO pin : INT_Pin */
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GPIO_InitStruct.Pin = INT_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF7_EVENTOUT;
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HAL_GPIO_Init(INT_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pin : RFID_CS_Pin */
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GPIO_InitStruct.Pin = RFID_CS_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(RFID_CS_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pins : HALL_Pin CLOSE_Pin */
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GPIO_InitStruct.Pin = HALL_Pin|CLOSE_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/*Configure GPIO pin : RFID_RST_Pin */
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GPIO_InitStruct.Pin = RFID_RST_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(RFID_RST_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pins : SWT1_Pin SWT2_Pin */
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GPIO_InitStruct.Pin = SWT1_Pin|SWT2_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/*Configure GPIO pins : COL1_Pin KP_C2_Pin KP_C3_Pin KP_C4_Pin */
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GPIO_InitStruct.Pin = COL1_Pin|KP_C2_Pin|KP_C3_Pin|KP_C4_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/*Configure GPIO pin : COL2_Pin */
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GPIO_InitStruct.Pin = COL2_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(COL2_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pins : SWT3_Pin SWT4_Pin */
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GPIO_InitStruct.Pin = SWT3_Pin|SWT4_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/*Configure GPIO pins : ROW1_Pin ROW2_Pin ROW3_Pin */
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GPIO_InitStruct.Pin = ROW1_Pin|ROW2_Pin|ROW3_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/*Configure GPIO pins : ROW4_Pin TOUCH_Pin */
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GPIO_InitStruct.Pin = ROW4_Pin|TOUCH_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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/*Configure GPIO pins : COL3_Pin KP_C1_Pin */
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GPIO_InitStruct.Pin = COL3_Pin|KP_C1_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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/*Configure GPIO pins : KP_R1_Pin KP_R2_Pin KP_R3_Pin KP_R4_Pin */
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GPIO_InitStruct.Pin = KP_R1_Pin|KP_R2_Pin|KP_R3_Pin|KP_R4_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* USER CODE BEGIN MX_GPIO_Init_2 */
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/* USER CODE END MX_GPIO_Init_2 */
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}
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/* USER CODE BEGIN 4 */
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PUTCHAR_PROTOTYPE
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{
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/* Place your implementation of fputc here */
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/* e.g. write a character to the USART1 and Loop until the end of transmission */
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HAL_UART_Transmit(&huart2, (uint8_t *)&ch, 1, 0xFFFF);
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return ch;
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}
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void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef* hi2c)
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{
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recv_cnt += 1;
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}
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void init_keypad(void)
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{
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HAL_GPIO_WritePin(KP_C1_GPIO_Port, KP_C1_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(KP_C2_GPIO_Port, KP_C2_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(KP_C3_GPIO_Port, KP_C3_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(KP_C4_GPIO_Port, KP_C4_Pin, GPIO_PIN_SET);
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}
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void init_buttons(void)
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{
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HAL_GPIO_WritePin(COL1_GPIO_Port, COL1_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(COL2_GPIO_Port, COL2_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(COL3_GPIO_Port, COL3_Pin, GPIO_PIN_SET);
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}
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void scan_keypad(void)
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{
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old_keypad_state = keypad_state;
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keypad_state = 0;
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HAL_GPIO_WritePin(KP_C1_GPIO_Port, KP_C1_Pin, GPIO_PIN_RESET);
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keypad_state |= (HAL_GPIO_ReadPin(KP_R1_GPIO_Port, KP_R1_Pin) == GPIO_PIN_RESET) << 0;
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keypad_state |= (HAL_GPIO_ReadPin(KP_R2_GPIO_Port, KP_R2_Pin) == GPIO_PIN_RESET) << 1;
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keypad_state |= (HAL_GPIO_ReadPin(KP_R3_GPIO_Port, KP_R3_Pin) == GPIO_PIN_RESET) << 2;
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keypad_state |= (HAL_GPIO_ReadPin(KP_R4_GPIO_Port, KP_R4_Pin) == GPIO_PIN_RESET) << 3;
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HAL_GPIO_WritePin(KP_C1_GPIO_Port, KP_C1_Pin, GPIO_PIN_SET);
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|
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HAL_GPIO_WritePin(KP_C2_GPIO_Port, KP_C2_Pin, GPIO_PIN_RESET);
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keypad_state |= (HAL_GPIO_ReadPin(KP_R1_GPIO_Port, KP_R1_Pin) == GPIO_PIN_RESET) << 4;
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keypad_state |= (HAL_GPIO_ReadPin(KP_R2_GPIO_Port, KP_R2_Pin) == GPIO_PIN_RESET) << 5;
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keypad_state |= (HAL_GPIO_ReadPin(KP_R3_GPIO_Port, KP_R3_Pin) == GPIO_PIN_RESET) << 6;
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keypad_state |= (HAL_GPIO_ReadPin(KP_R4_GPIO_Port, KP_R4_Pin) == GPIO_PIN_RESET) << 7;
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HAL_GPIO_WritePin(KP_C2_GPIO_Port, KP_C2_Pin, GPIO_PIN_SET);
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|
|
|
HAL_GPIO_WritePin(KP_C3_GPIO_Port, KP_C3_Pin, GPIO_PIN_RESET);
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keypad_state |= (HAL_GPIO_ReadPin(KP_R1_GPIO_Port, KP_R1_Pin) == GPIO_PIN_RESET) << 8;
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keypad_state |= (HAL_GPIO_ReadPin(KP_R2_GPIO_Port, KP_R2_Pin) == GPIO_PIN_RESET) << 9;
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keypad_state |= (HAL_GPIO_ReadPin(KP_R3_GPIO_Port, KP_R3_Pin) == GPIO_PIN_RESET) << 10;
|
|
keypad_state |= (HAL_GPIO_ReadPin(KP_R4_GPIO_Port, KP_R4_Pin) == GPIO_PIN_RESET) << 11;
|
|
HAL_GPIO_WritePin(KP_C3_GPIO_Port, KP_C3_Pin, GPIO_PIN_SET);
|
|
|
|
HAL_GPIO_WritePin(KP_C4_GPIO_Port, KP_C4_Pin, GPIO_PIN_RESET);
|
|
keypad_state |= (HAL_GPIO_ReadPin(KP_R1_GPIO_Port, KP_R1_Pin) == GPIO_PIN_RESET) << 12;
|
|
keypad_state |= (HAL_GPIO_ReadPin(KP_R2_GPIO_Port, KP_R2_Pin) == GPIO_PIN_RESET) << 13;
|
|
keypad_state |= (HAL_GPIO_ReadPin(KP_R3_GPIO_Port, KP_R3_Pin) == GPIO_PIN_RESET) << 14;
|
|
keypad_state |= (HAL_GPIO_ReadPin(KP_R4_GPIO_Port, KP_R4_Pin) == GPIO_PIN_RESET) << 15;
|
|
HAL_GPIO_WritePin(KP_C4_GPIO_Port, KP_C4_Pin, GPIO_PIN_SET);
|
|
}
|
|
|
|
void scan_buttons(void)
|
|
{
|
|
old_button_state = button_state;
|
|
button_state = 0;
|
|
|
|
HAL_GPIO_WritePin(COL1_GPIO_Port, COL1_Pin, GPIO_PIN_SET);
|
|
button_state |= (HAL_GPIO_ReadPin(ROW1_GPIO_Port, ROW1_Pin) == GPIO_PIN_RESET) << 0;
|
|
button_state |= (HAL_GPIO_ReadPin(ROW2_GPIO_Port, ROW2_Pin) == GPIO_PIN_RESET) << 1;
|
|
button_state |= (HAL_GPIO_ReadPin(ROW3_GPIO_Port, ROW3_Pin) == GPIO_PIN_RESET) << 2;
|
|
button_state |= (HAL_GPIO_ReadPin(ROW4_GPIO_Port, ROW4_Pin) == GPIO_PIN_RESET) << 3;
|
|
HAL_GPIO_WritePin(COL1_GPIO_Port, COL1_Pin, GPIO_PIN_RESET);
|
|
|
|
HAL_GPIO_WritePin(COL2_GPIO_Port, COL2_Pin, GPIO_PIN_SET);
|
|
button_state |= (HAL_GPIO_ReadPin(ROW1_GPIO_Port, ROW1_Pin) == GPIO_PIN_RESET) << 4;
|
|
button_state |= (HAL_GPIO_ReadPin(ROW2_GPIO_Port, ROW2_Pin) == GPIO_PIN_RESET) << 5;
|
|
button_state |= (HAL_GPIO_ReadPin(ROW3_GPIO_Port, ROW3_Pin) == GPIO_PIN_RESET) << 6;
|
|
button_state |= (HAL_GPIO_ReadPin(ROW4_GPIO_Port, ROW4_Pin) == GPIO_PIN_RESET) << 7;
|
|
HAL_GPIO_WritePin(COL2_GPIO_Port, COL2_Pin, GPIO_PIN_RESET);
|
|
|
|
HAL_GPIO_WritePin(COL3_GPIO_Port, COL3_Pin, GPIO_PIN_SET);
|
|
button_state |= (HAL_GPIO_ReadPin(ROW1_GPIO_Port, ROW1_Pin) == GPIO_PIN_RESET) << 8;
|
|
button_state |= (HAL_GPIO_ReadPin(ROW2_GPIO_Port, ROW2_Pin) == GPIO_PIN_RESET) << 9;
|
|
button_state |= (HAL_GPIO_ReadPin(ROW3_GPIO_Port, ROW3_Pin) == GPIO_PIN_RESET) << 10;
|
|
button_state |= (HAL_GPIO_ReadPin(ROW4_GPIO_Port, ROW4_Pin) == GPIO_PIN_RESET) << 11;
|
|
HAL_GPIO_WritePin(COL3_GPIO_Port, COL3_Pin, GPIO_PIN_RESET);
|
|
}
|
|
|
|
void send_iterupt(void)
|
|
{
|
|
|
|
}
|
|
/* 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 */
|