华大单片机HC32L176串口调试问题
近期做个项目用到了华大单片机HC32L176PATA,在做串口通讯的时候遇到收发数据错误的问题，用了2天的时间查遍了所有问题，最后尝试设置端口后问题得到解决，问题也反应给了华大的FAE,希望在后续的代码中得到更改。具体修改的地方如下图所示
红色的框起来的是添加的代码。
完整的代码在下面
/******************************************************************************
* Copyright (C) 2017, Huada Semiconductor Co.,Ltd All rights reserved.
*
* This software is owned and published by:
* Huada Semiconductor Co.,Ltd ("HDSC").
*
* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
*
* This software contains source code for use with HDSC
* components. This software is licensed by HDSC to be adapted only
* for use in systems utilizing HDSC components. HDSC shall not be
* responsible for misuse or illegal use of this software for devices not
* supported herein. HDSC is providing this software "AS IS" and will
* not be responsible for issues arising from incorrect user implementation
* of the software.
*
* Disclaimer:
* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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*
* This software may be replicated in part or whole for the licensed use,
* with the restriction that this Disclaimer and Copyright notice must be
* included with each copy of this software, whether used in part or whole,
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*/
/******************************************************************************/
/** \file main.c
**
** A detailed description is available at
** @link Sample Group Some description @endlink
**
** - 2017-05-17 1.0 cj First version for Device Driver Library of Module.
**
******************************************************************************/
/******************************************************************************
* Include files
******************************************************************************/
#include "ddl.h"
#include "uart.h"
#include "gpio.h"
#include "sysctrl.h"
/******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
/******************************************************************************
* Global variable definitions (declared in header file with 'extern')
******************************************************************************/
/******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
/******************************************************************************
* Local function prototypes ('static')
******************************************************************************/
/******************************************************************************
* Local variable definitions ('static') *
******************************************************************************/
/******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
/*****************************************************************************
* Function implementation - global ('extern') and local ('static')
******************************************************************************/
/**
******************************************************************************
** \brief Main function of project
**
** \return uint32_t return value, if needed
**
** This sample
**
******************************************************************************/
uint8_t u8TxData[2] = {0x00,0x55};
void Uart_PortInit(void)
{
stc_gpio_config_t stcGpioCfg;
DDL_ZERO_STRUCT(stcGpioCfg);
stcGpioCfg.enDir = GpioDirOut;
stcGpioCfg.enPu = GpioPuEnable;
stcGpioCfg.enCtrlMode = GpioAHB;
stcGpioCfg.enDrv = GpioDrvH;
stcGpioCfg.enOD = GpioOdDisable;
stcGpioCfg.enPd = GpioPdDisable;
Gpio_Init(GpioPortE,GpioPin15,&stcGpioCfg);
Gpio_SetAfMode(GpioPortE,GpioPin15,GpioAf3); //配置为UART3 TX
stcGpioCfg.enDir = GpioDirIn;
stcGpioCfg.enPu = GpioPuEnable;
stcGpioCfg.enCtrlMode = GpioAHB;
stcGpioCfg.enDrv = GpioDrvL;
stcGpioCfg.enOD = GpioOdDisable;
stcGpioCfg.enPd = GpioPdDisable;
Gpio_Init(GpioPortE,GpioPin14,&stcGpioCfg);
Gpio_SetAfMode(GpioPortE,GpioPin14,GpioAf3);//配置为UART3 RX
}
int32_t main(void)
{
uint8_t i;
stc_uart_config_t stcConfig;
//stc_uart_multimode_t stcMulti;
//stc_uart_baud_t stcBaud;
DDL_ZERO_STRUCT(stcConfig);
//DDL_ZERO_STRUCT(stcMulti);
//DDL_ZERO_STRUCT(stcBaud);
Sysctrl_SetPeripheralGate(SysctrlPeripheralGpio,TRUE); //GPIO外设模块时钟使能
Sysctrl_SetPeripheralGate(SysctrlPeripheralUart3,TRUE);//UART0外设模块时钟使能
Uart_PortInit();//端口初始化
stcConfig.enRunMode = UartMskMode1; //模式3
stcConfig.enStopBit = UartMsk1bit; //1位停止位
stcConfig.enMmdorCk = UartMskDataOrAddr; //偶校验
stcConfig.stcBaud.u32Baud = 9600; //波特率9600
stcConfig.stcBaud.enClkDiv = UartMsk8Or16Div; //通道采样分频配置
stcConfig.stcBaud.u32Pclk = Sysctrl_GetPClkFreq(); //获得外设时钟（PCLK）频率值
Uart_Init(M0P_UART3, &stcConfig); //串口初始化
Uart_ClrStatus(M0P_UART3,UartRC); //清接收请求
Uart_ClrStatus(M0P_UART3,UartTC); //清发送请求
Uart_DisableIrq(M0P_UART3,UartRxIrq); //使能串口接收中断
Uart_DisableIrq(M0P_UART3,UartTxIrq); //使能串口发送中断
while(1)
{
if((Uart_GetStatus(M0P_UART3, UartFE))||(Uart_GetStatus(M0P_UART3, UartPE)))//错误请求
{
Uart_ClrStatus(M0P_UART3, UartFE); //清除帧错误标记
Uart_ClrStatus(M0P_UART3, UartPE); //清除奇偶校验错误标记
}
if(Uart_GetStatus(M0P_UART3,UartRC)) //接收到数据
{
Uart_ClrStatus(M0P_UART3,UartRC);
u8TxData[0] = Uart_ReceiveData(M0P_UART3);
for(i=0;i<2;i++)
{
Uart_SendDataPoll(M0P_UART3,u8TxData[i]); //查询方式发送数据
}
}
}
}
/******************************************************************************
* EOF (not truncated)
******************************************************************************/