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295 lines
7.4 KiB
C
295 lines
7.4 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) 2026 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 "disp7seg.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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/* 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_ICACHE_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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static inline void LD2_On() { LL_GPIO_SetOutputPin( LD2_GPIO_Port, LD2_Pin); }
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static inline void LD2_Off() { LL_GPIO_ResetOutputPin( LD2_GPIO_Port, LD2_Pin); }
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static inline void LD2_Toggle() { LL_GPIO_TogglePin(LD2_GPIO_Port, LD2_Pin); }
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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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/* System interrupt init*/
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NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
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/* SysTick_IRQn interrupt configuration */
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NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),15, 0));
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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_ICACHE_Init();
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/* USER CODE BEGIN 2 */
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LL_Init1msTick(SystemCoreClock);
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DispPutDigit(0, ' ', 0);
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DispPutDigit(1, ' ', 0);
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DispPutDigit(2, ' ', 0);
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DispPutDigit(3, ' ', 0);
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ShiftReg_Update();
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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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LD2_Toggle();
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LL_mDelay(250);
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static uint8_t cnt = 0;
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DispPutDigit(0, '0'+cnt, 0);
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DispPutDigit(1, 'a'+cnt, 1);
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DispPutDigit(2, 'A'+cnt, 0);
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DispPutDigit(3, 'Z'-cnt, 1);
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if (++cnt > 9) cnt = 0;
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ShiftReg_Update();
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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_3);
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while(LL_FLASH_GetLatency()!= LL_FLASH_LATENCY_3)
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{
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}
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LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE3);
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while (LL_PWR_IsActiveFlag_VOS() == 0)
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{
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}
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LL_RCC_HSE_Enable();
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/* Wait till HSE is ready */
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while(LL_RCC_HSE_IsReady() != 1)
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{
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}
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LL_RCC_PLL1_SetSource(LL_RCC_PLL1SOURCE_HSE);
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LL_RCC_PLL1_SetVCOInputRange(LL_RCC_PLLINPUTRANGE_8_16);
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LL_RCC_PLL1_SetVCOOutputRange(LL_RCC_PLLVCORANGE_WIDE);
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LL_RCC_PLL1_SetM(1);
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LL_RCC_PLL1_SetN(20);
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LL_RCC_PLL1_SetP(4);
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LL_RCC_PLL1_SetQ(10);
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LL_RCC_PLL1_SetR(2);
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LL_RCC_PLL1P_Enable();
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LL_RCC_PLL1_Enable();
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/* Wait till PLL is ready */
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while(LL_RCC_PLL1_IsReady() != 1)
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{
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}
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LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL1);
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/* Wait till System clock is ready */
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while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL1)
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{
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}
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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_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
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LL_RCC_SetAPB3Prescaler(LL_RCC_APB3_DIV_1);
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LL_Init1msTick(80000000);
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LL_SetSystemCoreClock(80000000);
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}
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/**
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* @brief ICACHE 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_ICACHE_Init(void)
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{
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/* USER CODE BEGIN ICACHE_Init 0 */
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/* USER CODE END ICACHE_Init 0 */
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/* USER CODE BEGIN ICACHE_Init 1 */
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/* USER CODE END ICACHE_Init 1 */
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/** Enable instruction cache (default 2-ways set associative cache)
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*/
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LL_ICACHE_Enable();
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/* USER CODE BEGIN ICACHE_Init 2 */
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/* USER CODE END ICACHE_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_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOC);
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LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOH);
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LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOA);
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LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOB);
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/**/
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LL_GPIO_ResetOutputPin(GPIOC, SHR_CLK_Pin|SHR_STR_Pin);
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/**/
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LL_GPIO_ResetOutputPin(SHR_DOUT_DISP_GPIO_Port, SHR_DOUT_DISP_Pin);
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/**/
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LL_GPIO_SetOutputPin(LD2_GPIO_Port, LD2_Pin);
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/**/
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GPIO_InitStruct.Pin = SHR_CLK_Pin|SHR_STR_Pin|LD2_Pin;
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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(GPIOC, &GPIO_InitStruct);
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/**/
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GPIO_InitStruct.Pin = SHR_DOUT_DISP_Pin;
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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(SHR_DOUT_DISP_GPIO_Port, &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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