518 lines
14 KiB
C
518 lines
14 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) 2025 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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#include "usb_device.h"
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#include <stdbool.h>
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#include <stdint.h>
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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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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#define INACTIVE 0x00
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#define ACTIVE 0x01
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#define MASTER 0x02
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uint8_t MODE = INACTIVE;
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#define PACKET_SIZE 4
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#define DMA_QBUFFER_SIZE 64
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static uint8_t DMA_QBUFFER[DMA_QBUFFER_SIZE][PACKET_SIZE];
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volatile uint16_t q_head = 0;
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volatile uint16_t q_tail = 0;
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UART_HandleTypeDef PARENT; // your parent UART
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static bool PARENT_BUSY = false;
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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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UART_HandleTypeDef huart1;
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UART_HandleTypeDef huart2;
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UART_HandleTypeDef huart3;
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UART_HandleTypeDef huart6;
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DMA_HandleTypeDef hdma_usart1_rx;
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DMA_HandleTypeDef hdma_usart1_tx;
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DMA_HandleTypeDef hdma_usart2_rx;
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DMA_HandleTypeDef hdma_usart2_tx;
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DMA_HandleTypeDef hdma_usart3_rx;
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DMA_HandleTypeDef hdma_usart3_tx;
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DMA_HandleTypeDef hdma_usart6_rx;
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DMA_HandleTypeDef hdma_usart6_tx;
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/* USER CODE BEGIN PV */
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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_DMA_Init(void);
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static void MX_I2C1_Init(void);
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static void MX_USART1_UART_Init(void);
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static void MX_USART2_UART_Init(void);
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static void MX_USART3_UART_Init(void);
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static void MX_USART6_UART_Init(void);
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//UART Forwarder Functions
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bool DMA_BufferPush(uint8_t *packet);
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bool DMA_BufferPop(uint8_t *packet);
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void DMA_TrySend(void);
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/* USER CODE BEGIN PFP */
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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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/* 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_DMA_Init();
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MX_I2C1_Init();
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MX_USART1_UART_Init();
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MX_USART2_UART_Init();
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MX_USB_DEVICE_Init();
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MX_USART3_UART_Init();
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MX_USART6_UART_Init();
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/* USER CODE BEGIN 2 */
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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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while (1)
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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_RCC_PWR_CLK_ENABLE();
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);
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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_HSI;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 4;
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RCC_OscInitStruct.PLL.PLLN = 72;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 3;
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RCC_OscInitStruct.PLL.PLLR = 2;
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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|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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RCC_ClkInitStruct.APB2CLKDivider = 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.ClockSpeed = 100000;
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hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
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hi2c1.Init.OwnAddress1 = 0;
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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.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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/* 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 USART1 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_USART1_UART_Init(void)
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{
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/* USER CODE BEGIN USART1_Init 0 */
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/* USER CODE END USART1_Init 0 */
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/* USER CODE BEGIN USART1_Init 1 */
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/* USER CODE END USART1_Init 1 */
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huart1.Instance = USART1;
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huart1.Init.BaudRate = 115200;
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huart1.Init.WordLength = UART_WORDLENGTH_8B;
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huart1.Init.StopBits = UART_STOPBITS_1;
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huart1.Init.Parity = UART_PARITY_NONE;
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huart1.Init.Mode = UART_MODE_TX_RX;
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huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart1.Init.OverSampling = UART_OVERSAMPLING_16;
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if (HAL_UART_Init(&huart1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN USART1_Init 2 */
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/* USER CODE END USART1_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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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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/* 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 USART3 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_USART3_UART_Init(void)
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{
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/* USER CODE BEGIN USART3_Init 0 */
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/* USER CODE END USART3_Init 0 */
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/* USER CODE BEGIN USART3_Init 1 */
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/* USER CODE END USART3_Init 1 */
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huart3.Instance = USART3;
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huart3.Init.BaudRate = 115200;
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huart3.Init.WordLength = UART_WORDLENGTH_8B;
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huart3.Init.StopBits = UART_STOPBITS_1;
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huart3.Init.Parity = UART_PARITY_NONE;
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huart3.Init.Mode = UART_MODE_TX_RX;
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huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart3.Init.OverSampling = UART_OVERSAMPLING_16;
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if (HAL_UART_Init(&huart3) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN USART3_Init 2 */
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/* USER CODE END USART3_Init 2 */
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}
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/**
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* @brief USART6 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_USART6_UART_Init(void)
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{
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/* USER CODE BEGIN USART6_Init 0 */
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/* USER CODE END USART6_Init 0 */
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/* USER CODE BEGIN USART6_Init 1 */
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/* USER CODE END USART6_Init 1 */
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huart6.Instance = USART6;
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huart6.Init.BaudRate = 115200;
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huart6.Init.WordLength = UART_WORDLENGTH_8B;
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huart6.Init.StopBits = UART_STOPBITS_1;
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huart6.Init.Parity = UART_PARITY_NONE;
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huart6.Init.Mode = UART_MODE_TX_RX;
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huart6.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart6.Init.OverSampling = UART_OVERSAMPLING_16;
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if (HAL_UART_Init(&huart6) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN USART6_Init 2 */
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/* USER CODE END USART6_Init 2 */
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}
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/**
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* Enable DMA controller clock
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*/
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static void MX_DMA_Init(void)
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{
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/* DMA controller clock enable */
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__HAL_RCC_DMA1_CLK_ENABLE();
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__HAL_RCC_DMA2_CLK_ENABLE();
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/* DMA interrupt init */
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/* DMA1_Stream1_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA1_Stream1_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(DMA1_Stream1_IRQn);
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/* DMA1_Stream3_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA1_Stream3_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(DMA1_Stream3_IRQn);
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/* DMA1_Stream5_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA1_Stream5_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(DMA1_Stream5_IRQn);
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/* DMA1_Stream6_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA1_Stream6_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(DMA1_Stream6_IRQn);
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/* DMA2_Stream1_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA2_Stream1_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(DMA2_Stream1_IRQn);
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/* DMA2_Stream2_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA2_Stream2_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(DMA2_Stream2_IRQn);
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/* DMA2_Stream6_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA2_Stream6_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(DMA2_Stream6_IRQn);
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/* DMA2_Stream7_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA2_Stream7_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(DMA2_Stream7_IRQn);
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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_GPIOH_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOC, COL1_Pin|COL2_Pin|COL3_Pin|COL4_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOB, WDebug_Pin|SDebug_Pin|EDebug_Pin|NDebug_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pins : COL1_Pin COL2_Pin COL3_Pin COL4_Pin */
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GPIO_InitStruct.Pin = COL1_Pin|COL2_Pin|COL3_Pin|COL4_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(GPIOC, &GPIO_InitStruct);
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/*Configure GPIO pins : ROW6_Pin ROW5_Pin */
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GPIO_InitStruct.Pin = ROW6_Pin|ROW5_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_PULLDOWN;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/*Configure GPIO pins : ROW4_Pin ROW3_Pin ROW2_Pin ROW1_Pin */
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GPIO_InitStruct.Pin = ROW4_Pin|ROW3_Pin|ROW2_Pin|ROW1_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_PULLDOWN;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/*Configure GPIO pins : WDebug_Pin SDebug_Pin EDebug_Pin NDebug_Pin */
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GPIO_InitStruct.Pin = WDebug_Pin|SDebug_Pin|EDebug_Pin|NDebug_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(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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/**
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* @brief Send the following data to the arent
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* @param data = the data to be sent
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* @retval None
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*/
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//UART Forwarder Functions
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bool DMA_BufferPush(uint8_t *packet){
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uint16_t next = (q_head + 1) % DMA_QBUFFER_SIZE;
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if (next == q_tail) return false; // full
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memcpy(DMA_QBUFFER[q_head], packet, PACKET_SIZE);
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q_head = next;
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return true;
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}
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bool DMA_BufferPop(uint8_t *packet) {
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if (q_head == q_tail) return false; // empty
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memcpy(packet, DMA_QBUFFER[q_tail], PACKET_SIZE);
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q_tail = (q_tail + 1) % DMA_QBUFFER_SIZE;
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return true;
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}
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void DMA_TrySend(void){
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uint8_t pkt[PACKET_SIZE];
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if (!PARENT_BUSY && DMA_BufferPop(pkt)) {
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PARENT_BUSY = true;
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HAL_UART_Transmit_DMA(&PARENT, pkt, PACKET_SIZE);
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}
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}
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/* USER CODE END 4 */
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/**
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* @brief This function is executed in case of error occurrence.
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* @retval None
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*/
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void Error_Handler(void)
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{
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/* USER CODE BEGIN Error_Handler_Debug */
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/* User can add his own implementation to report the HAL error return state */
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__disable_irq();
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while (1)
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{
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}
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/* USER CODE END Error_Handler_Debug */
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
|
|
* @retval None
|
|
*/
|
|
void assert_failed(uint8_t *file, uint32_t line)
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|
{
|
|
/* USER CODE BEGIN 6 */
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|
/* User can add his own implementation to report the file name and line number,
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|
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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|
/* USER CODE END 6 */
|
|
}
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|
#endif /* USE_FULL_ASSERT */
|