mirror of
https://github.com/IcedRooibos/py32f0-template.git
synced 2025-10-29 08:52:04 -07:00
133 lines
3.4 KiB
C
133 lines
3.4 KiB
C
/**
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******************************************************************************
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* @file main.c
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* @author MCU Application Team
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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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* <h2><center>© Copyright (c) Puya Semiconductor Co.
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* All rights reserved.</center></h2>
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "py32f0xx_bsp_button.h"
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#include "py32f0xx_bsp_led.h"
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#include "py32f0xx_bsp_printf.h"
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/* Private define ------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private user code ---------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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static void APP_SystemClockConfig(void);
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static void APP_GpioConfig(void);
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/**
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* @brief 应用程序入口函数.
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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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/* 配置系统时钟 */
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APP_SystemClockConfig();
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/* 初始化GPIO */
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APP_GpioConfig();
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while (1)
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{
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/* LED灯闪烁 */
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LL_mDelay(500);
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LL_GPIO_TogglePin(GPIOB,LL_GPIO_PIN_5);
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}
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}
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/**
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* @brief 系统时钟配置函数
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* @param 无
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* @retval 无
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*/
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static void APP_SystemClockConfig(void)
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{
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/* 使能HSI */
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LL_RCC_HSI_Enable();
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while(LL_RCC_HSI_IsReady() != 1)
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{
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}
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/* 设置 AHB 分频*/
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LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
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/* 配置HSISYS作为系统时钟源 */
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LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_HSISYS);
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while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_HSISYS)
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{
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}
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/* 设置 APB1 分频*/
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LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
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LL_Init1msTick(8000000);
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/* 更新系统时钟全局变量SystemCoreClock(也可以通过调用SystemCoreClockUpdate函数更新) */
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LL_SetSystemCoreClock(8000000);
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}
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/**
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* @brief 配置GPIO
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* @param 无
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* @retval 无
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*/
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static void APP_GpioConfig(void)
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{
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/* 使能时钟 */
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LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOB);
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/* 将PA5引脚配置为输出 */
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LL_GPIO_SetPinMode(GPIOB, LL_GPIO_PIN_5, LL_GPIO_MODE_OUTPUT);
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}
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/**
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* @brief 错误执行函数
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* @param 无
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* @retval 无
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*/
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void APP_ErrorHandler(void)
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{
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/* 无限循环 */
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while (1)
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{
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}
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief 输出产生断言错误的源文件名及行号
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* @param file：源文件名指针
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* @param line：发生断言错误的行号
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* @retval 无
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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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/* 用户可以根据需要添加自己的打印信息,
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例如: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* 无限循环 */
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while (1)
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{
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}
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT Puya *****END OF FILE******************/
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