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Updated example program to be less useless

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Logan G 2023-11-25 23:48:12 -07:00
parent 58b4d4951d
commit d306a7ea53
Signed by: logan
GPG key ID: E328528C921E7A7A
1 changed files with 26 additions and 56 deletions
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80
User/main.c
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@ -7,19 +7,6 @@
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* SPDX-License-Identifier: Apache-2.0
*******************************************************************************/
/*
*@Note
轮询收发模式例程：
Master：USART1_Tx(PD5)、USART1_Rx(PD6)。
本例程演示 USART1 收到CH341发送的数据取反发出（波特率 115200）。
注：
硬件连线：PD5 —— Rx
PD6 —— Tx
*/
#include "debug.h"
@ -27,40 +14,23 @@
/* Global Variable */
vu8 val;
/*********************************************************************
* @fn USARTx_CFG
* @fn GPIO_Toggle_INIT
*
* @brief Initializes the USART2 & USART3 peripheral.
* @brief Initializes GPIOD.4
*
* @return none
*/
void USARTx_CFG(void)
{
void GPIO_LED_Init(void) {
GPIO_InitTypeDef GPIO_InitStructure = {0};
USART_InitTypeDef USART_InitStructure = {0};
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_USART1, ENABLE);
/* USART1 TX-->D.5 RX-->D.6 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOD, &GPIO_InitStructure);
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
USART_Init(USART1, &USART_InitStructure);
USART_Cmd(USART1, ENABLE);
}
/*********************************************************************
@ -70,27 +40,27 @@ void USARTx_CFG(void)
*
* @return none
*/
int main(void)
{
int main(void) {
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
SystemCoreClockUpdate();
Delay_Init();
#if (SDI_PRINT == SDI_PR_OPEN)
SDI_Printf_Enable();
#else
USART_Printf_Init(115200);
printf("SystemClk:%d\r\n",SystemCoreClock);
#endif
printf("SystemClk: %ld\r\n", SystemCoreClock);
printf("DeviceID: %08x\r\n", DBGMCU_GetDEVID());
printf("ChipID: %08x\r\n", DBGMCU_GetCHIPID());
USARTx_CFG();
GPIO_LED_Init();
while(1)
{
while(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET)
{
/* waiting for receiving finish */
}
val = (USART_ReceiveData(USART1));
USART_SendData(USART1, ~val);
while(USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET)
{
/* waiting for sending finish */
}
while(1) {
Delay_Ms(1000);
printf("On\r\n");
GPIO_WriteBit(GPIOD, GPIO_Pin_4, Bit_SET);
Delay_Ms(1000);
printf("Off\r\n");
GPIO_WriteBit(GPIOD, GPIO_Pin_4, Bit_RESET);
}
}