华大HC32F003.UART例程分享

/****************************************************************************/

/ \file main.c

**

** A detailed description is available at

** [url=home.php?mod=space&uid=48136]@link[/url] Sample Group Some description @endlink

**

** - 2017-05-17 1.0 cj First version for Device Driver Library of Module.

**

******************************************************************************/



/******************************************************************************



Include files

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#include “ddl.h”

#include “uart.h”

#include “bt.h”

#include “lpm.h”

#include “gpio.h”

/******************************************************************************



Local pre-processor symbols/macros (’#define’)

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/******************************************************************************



Global variable definitions (declared in header file with ‘extern’)

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/******************************************************************************



Local type definitions (‘typedef’)

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/******************************************************************************



Local function prototypes (‘static’)

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/******************************************************************************



Local variable definitions (‘static’) *

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/******************************************************************************



Local pre-processor symbols/macros (’#define’)

*/

#define T1_PORT (3)

#define T1_PIN (3)

/

Function implementation - global (‘extern’) and local (‘static’)

****************************************************************************/

/

** \brief Main function of project

**

** \return uint32_t return value, if needed

**

** This sample

**

******************************************************************************/

//uint8_t u8TxData[10] = {0x99,0x88,0x77,0x66,0x55,0x44,0x33,0x22,0x11,0x00};//“HUADA MCU!”;

uint8_t u8TxData[10] = {0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55};

uint32_t u32RxData[10];

uint8_t u8TxCnt=0,u8RxCnt=0;



void TxIntCallback(void)

{

if(u8TxCnt<10)

{

    M0P_UART1->SBUF = u32RxData[u8TxCnt];

    u8TxCnt++;

}

else //if(u8TxCnt>10)

{

    u8TxCnt = 0;

    Uart_ClrStatus(UARTCH1,UartTxEmpty);   

    Uart_DisableIrq(UARTCH1,UartTxIrq);

    Uart_EnableIrq(UARTCH1,UartRxIrq);

}

1

}

void RxIntCallback(void)

{

u32RxData[u8RxCnt]=Uart_ReceiveData(UARTCH1);

u8RxCnt++;

if(u8RxCnt>=10)

{

Uart_DisableIrq(UARTCH1,UartRxIrq);

Uart_EnableIrq(UARTCH1,UartTxIrq);

u8RxCnt = 0;

M0P_UART1->SBUF = u32RxData[0];

u8TxCnt = 1;

}



}

void ErrIntCallback(void)

{

}

int32_t main(void)

{

uint16_t timer;

uint32_t pclk;

stc_clk_config_t stcCfg;

stc_uart_config_t stcConfig;

stc_uart_irq_cb_t stcUartIrqCb;

stc_uart_multimode_t stcMulti;

stc_uart_baud_config_t stcBaud;

stc_bt_config_t stcBtConfig;

stc_lpm_config_t stcLpmCfg;

en_uart_mmdorck_t enTb8;



DDL_ZERO_STRUCT(stcConfig);

DDL_ZERO_STRUCT(stcUartIrqCb);

DDL_ZERO_STRUCT(stcMulti);

DDL_ZERO_STRUCT(stcBaud);

DDL_ZERO_STRUCT(stcBtConfig);

DDL_ZERO_STRUCT(stcLpmCfg);



stcLpmCfg.enSLEEPDEEP = SlpDpDisable;



//时钟部分配置

stcCfg.enClkSrc = ClkXTH;

stcCfg.enHClkDiv = ClkDiv1;

stcCfg.enPClkDiv = ClkDiv1;

Clk_Init(&stcCfg);



Gpio_InitIO(T1_PORT,T1_PIN,GpioDirIn); 

Gpio_InitIO(0,3,GpioDirOut);

Gpio_SetIO(0,3,1);



Gpio_InitIOExt(3,5,GpioDirOut,TRUE,FALSE,FALSE,FALSE);   

Gpio_InitIOExt(3,6,GpioDirOut,TRUE,FALSE,FALSE,FALSE); 



//通道端口配置

Gpio_SetFunc_UART1TX_P35();

Gpio_SetFunc_UART1RX_P36();



//外设时钟使能

Clk_SetPeripheralGate(ClkPeripheralBt,TRUE);//模式0/2可以不使能

Clk_SetPeripheralGate(ClkPeripheralUart1,TRUE);







stcUartIrqCb.pfnRxIrqCb = RxIntCallback;

stcUartIrqCb.pfnTxIrqCb = TxIntCallback;

stcUartIrqCb.pfnRxErrIrqCb = ErrIntCallback;

stcConfig.pstcIrqCb = &stcUartIrqCb;

stcConfig.bTouchNvic = TRUE;





stcConfig.enRunMode = UartMode1;//测试项，更改此处来转换4种模式测试





stcMulti.enMulti_mode = UartNormal;//测试项，更改此处来转换多主机模式，mode2/3才有多主机模式

enTb8 = DataOrEven;

Uart_SetMMDOrCk(UARTCH1,enTb8);

stcConfig.pstcMultiMode = &stcMulti;

#if 1

stcBaud.bDbaud = 0u;//双倍波特率功能

stcBaud.u32Baud = 2400u;//更新波特率位置

stcBaud.u8Mode = UartMode1; //计算波特率需要模式参数

pclk = Clk_GetPClkFreq();

timer=Uart_SetBaudRate(UARTCH1,pclk,&stcBaud);

stcBtConfig.enMD = BtMode2;

stcBtConfig.enCT = BtTimer;

Bt_Init(TIM1, &stcBtConfig);//调用basetimer1设置函数产生波特率

Bt_ARRSet(TIM1,timer);

Bt_Cnt16Set(TIM1,timer);

Bt_Run(TIM1);