66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
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/********************************** (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 : 2023/12/25
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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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*IAP upgrade routine:
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*Support serial port for FLASH burning
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*
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*1. Use the IAP download tool to realize the download PC0 floating (default pull-up input)
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*2. After downloading the APP, connect PC0 to ground (low level input), and press the
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*reset button to run the APP program.
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*3. use WCH-LinkUtility.exe download to BOOT(adr-0x1FFFF000)
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*
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*/
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#include "debug.h"
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#include "string.h"
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#include "iap.h"
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/*********************************************************************
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* @fn IAP_2_APP
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*
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* @brief IAP_2_APP program.
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*
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* @return none
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*/
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void IAP_2_APP(void)
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{
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RCC_ClearFlag();
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SystemReset_StartMode(Start_Mode_USER);
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NVIC_SystemReset();
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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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// Enable GPIOD,USART1, GPIOC clock
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RCC->APB2PCENR |= (RCC_APB2Periph_GPIOD | RCC_APB2Periph_USART1|RCC_APB2Periph_GPIOC);
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USART1_CFG(115200);
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if(!btn2_pushed()) {
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IAP_2_APP();
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while(1);
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}
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while(1) {
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if(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET) {
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UART_Rx_Deal();
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}
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}
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}
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