分享华大CORTEX M0+ 低功耗ARM机串口主机数据发送示例程序

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/*********************************************/
/**本样例主要涉及串口主从机数据收发功能 ******/

/*
配置P35、P36为UART收发端口
**********/
/*
配置波特率38400bps
**********/
/*
配置BaseTime1自动重载周期
**********/
/*
使能UART收发功能
**********/
/********************************************/


#include "uart.h"
#include "bt.h"
#include "gpio.h"

#define
T1_PORT
(3)
#define
T1_PIN
(3)

uint8_t u8TxData[10] ={0x99,0x88,0x77,0x66,0x55,0x44,0x33,0x22,0x11,0x00};
uint32_t u32RxData[10];
uint8_t u8TxCnt=0,u8RxCnt=0;
void SysTick_Handler(void)
{

static uint8_t u8val = 0;

Gpio_SetIO(T1_PORT, T1_PIN, u8val);

u8val = !u8val;
}
void TxIntCallback(void)
{


Uart_SendData(UARTCH1, u8TxData[u8TxCnt]);

u8TxCnt++;


if(u8TxCnt>10)

u8TxCnt=0;
   
   
}
void RxIntCallback(void)
{

u32RxData[u8RxCnt++]=Uart_ReceiveData(UARTCH1);

if(u8RxCnt>9)

u8RxCnt=0;
   
}
void ErrIntCallback(void)
{
  
}
int32_t main(void)
{


uint16_t timer,i=0;

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;


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);
   

stcCfg.enClkSrc = ClkXTH;

stcCfg.enHClkDiv = ClkDiv1;

stcCfg.enPClkDiv = ClkDiv1;

Clk_Init(&stcCfg);
   

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

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

Gpio_SetIO(3,5,1);

Gpio_SetIO(3,6,1);
   

Gpio_SetFunc_UART1TX_P35();

Gpio_SetFunc_UART1RX_P36();


Clk_SetPeripheralGate(ClkPeripheralBt,TRUE);

Clk_SetPeripheralGate(ClkPeripheralUart1,TRUE);




stcUartIrqCb.pfnRxIrqCb = RxIntCallback;

stcUartIrqCb.pfnTxIrqCb = TxIntCallback;

stcUartIrqCb.pfnRxErrIrqCb = ErrIntCallback;

stcConfig.pstcIrqCb = &stcUartIrqCb;

stcConfig.bTouchNvic = TRUE;
  

stcConfig.enRunMode = UartMode3;

stcMulti.enMulti_mode = UartMulti;
enTb8 = AddrOrOdd;
Uart_SetMMDOrCk(UARTCH1,enTb8);
stcConfig.pstcMultiMode = &stcMulti;
stcBaud.u8Dbaud = 0u;

stcBaud.u32Baud = 38400u;
stcBaud.u8Mode =UartMode3;
pclk =Clk_GetPClkFreq();

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

stcBtConfig.enMD = BtMode2;

stcBtConfig.enCT = BtTimer;

Bt_Init(TIM1, &stcBtConfig);

Bt_ARRSet(TIM1,timer);

Bt_Cnt16Set(TIM1,timer);

Bt_Run(TIM1);

Uart_Init(UARTCH1, &stcConfig);
   

Uart_ClrStatus(UARTCH1,UartTxEmpty);

Uart_EnableFunc(UARTCH1,UartRx);
   

Uart_SendData(UARTCH1,0xC0);

while(0 == Uart_GetStatus(UARTCH1,UartTxEmpty));

enTb8 = DataOrEven;

Uart_SetMMDOrCk(UARTCH1,enTb8);

Uart_ClrStatus(UARTCH1,UartTxEmpty);


while(i<10)

{

Uart_SendData(UARTCH1,u8TxData);

while(0 == Uart_GetStatus(UARTCH1,UartTxEmpty));

Uart_ClrStatus(UARTCH1,UartTxEmpty);

i++;

}

while(1);
}

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

*EOF (not truncated)

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

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