70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : main.c
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/06/06
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* Description : Main program body.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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/*
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*@Note
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*GPIO routine:
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*PA0 push-pull output.
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*
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*/
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#include "debug.h"
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/* Global define */
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/* Global Variable */
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/*********************************************************************
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* @fn GPIO_Toggle_INIT
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*
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* @brief Initializes GPIOA.0
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*
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* @return none
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*/
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void GPIO_Toggle_INIT(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure = {0};
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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}
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/*********************************************************************
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* @fn main
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*
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* @brief Main program.
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*
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* @return none
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*/
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int main(void)
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{
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u8 i = 0;
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NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
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SystemCoreClockUpdate();
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Delay_Init();
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USART_Printf_Init(115200);
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printf("SystemClk:%d\r\n", SystemCoreClock);
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printf( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );
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printf("GPIO Toggle TEST\r\n");
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GPIO_Toggle_INIT();
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while(1)
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{
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Delay_Ms(250);
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GPIO_WriteBit(GPIOA, GPIO_Pin_0, (i == 0) ? (i = Bit_SET) : (i = Bit_RESET));
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}
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}
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