312 lines
8.4 KiB
C
312 lines
8.4 KiB
C
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/* 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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/* 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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/* 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_SPI2_Init(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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LL_APB1_GRP2_EnableClock(LL_APB1_GRP2_PERIPH_SYSCFG);
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LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);
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/* SysTick_IRQn interrupt configuration */
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NVIC_SetPriority(SysTick_IRQn, 3);
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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_SPI2_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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LL_FLASH_SetLatency(LL_FLASH_LATENCY_0);
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while(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_0)
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{
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}
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LL_RCC_HSI_Enable();
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/* Wait till HSI is ready */
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while(LL_RCC_HSI_IsReady() != 1)
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{
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}
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LL_RCC_HSI_SetCalibTrimming(16);
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LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
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LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
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LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_HSI);
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/* Wait till System clock is ready */
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while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_HSI)
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{
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}
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LL_Init1msTick(8000000);
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LL_SetSystemCoreClock(8000000);
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}
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/**
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* @brief SPI2 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_SPI2_Init(void)
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{
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/* USER CODE BEGIN SPI2_Init 0 */
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/* USER CODE END SPI2_Init 0 */
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LL_SPI_InitTypeDef SPI_InitStruct = {0};
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LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* Peripheral clock enable */
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LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_SPI2);
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LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOB);
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/**SPI2 GPIO Configuration
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PB13 ------> SPI2_SCK
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PB14 ------> SPI2_MISO
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PB15 ------> SPI2_MOSI
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*/
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GPIO_InitStruct.Pin = LL_GPIO_PIN_13;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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GPIO_InitStruct.Alternate = LL_GPIO_AF_0;
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = LL_GPIO_PIN_14;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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GPIO_InitStruct.Alternate = LL_GPIO_AF_0;
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = LL_GPIO_PIN_15;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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GPIO_InitStruct.Alternate = LL_GPIO_AF_0;
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* USER CODE BEGIN SPI2_Init 1 */
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/* USER CODE END SPI2_Init 1 */
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/* SPI2 parameter configuration*/
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SPI_InitStruct.TransferDirection = LL_SPI_FULL_DUPLEX;
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SPI_InitStruct.Mode = LL_SPI_MODE_MASTER;
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SPI_InitStruct.DataWidth = LL_SPI_DATAWIDTH_4BIT;
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SPI_InitStruct.ClockPolarity = LL_SPI_POLARITY_LOW;
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SPI_InitStruct.ClockPhase = LL_SPI_PHASE_1EDGE;
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SPI_InitStruct.NSS = LL_SPI_NSS_SOFT;
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SPI_InitStruct.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV2;
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SPI_InitStruct.BitOrder = LL_SPI_MSB_FIRST;
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SPI_InitStruct.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE;
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SPI_InitStruct.CRCPoly = 7;
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LL_SPI_Init(SPI2, &SPI_InitStruct);
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LL_SPI_SetStandard(SPI2, LL_SPI_PROTOCOL_MOTOROLA);
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LL_SPI_EnableNSSPulseMgt(SPI2);
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/* USER CODE BEGIN SPI2_Init 2 */
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/* USER CODE END SPI2_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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LL_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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LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOC);
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LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOF);
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LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOB);
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LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
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/**/
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LL_GPIO_ResetOutputPin(GPIOB, LL_GPIO_PIN_10);
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/**/
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LL_GPIO_ResetOutputPin(GPIOB, LL_GPIO_PIN_3);
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/**/
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LL_GPIO_ResetOutputPin(GPIOB, LL_GPIO_PIN_5);
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/**/
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LL_GPIO_ResetOutputPin(GPIOB, LL_GPIO_PIN_6);
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/**/
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GPIO_InitStruct.Pin = LL_GPIO_PIN_10;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/**/
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GPIO_InitStruct.Pin = LL_GPIO_PIN_3;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/**/
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GPIO_InitStruct.Pin = LL_GPIO_PIN_5;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/**/
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GPIO_InitStruct.Pin = LL_GPIO_PIN_6;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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LL_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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/* 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
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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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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}
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#endif /* USE_FULL_ASSERT */
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