MC95FG204 Uart发送程序

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#include "Extent.h"         //
#include "MC95FG204.h"   // peripheral
#include "Const.h"         // constant
#define      MyDef       extern           //
#include "Variable.h"                  // RAM, Bit define
#include "Intrins.h"

//95gf204的串口测试程序 2009-2-14

#define     BAUD_9600   25    // @4MHz
#define     BAUD_19200   12
#define     BAUD_38400 6
#define     BAUD_57600 3
#define     BAUD_115200 1

//======================================================================
// task : Uart0 Packet Communication full-duplex
// input :
// R02 TX0
// R03 RX0
//======================================================================

void Delay(void)
{unsigned char i,j;
for(i=0;i<224;i++);
for(j=0;j<244;j++);

}

void Uart_Initial(void)
{
      UCTRL1 = 0x06;                      // 8bit asyn
      UCTRL2 = 0x8A;                      //?建议只开数据寄存器空中断,只允许发送 0x8A
      UCTRL3 = 0x00;                      //
   UBAUD = BAUD_9600;   // default BAUD = 9600 bps
      USTAT = 0x00;
}

//----------------------------------------------------------------------
// task : Uart0 transmission start
//----------------------------------------------------------------------

void put_c(unsigned char c)
{

UDATA=c;
//USTAT &= 0xbf;
while(!(USTAT&0x40)); //TXC=1 exit

USTAT=0x00;
}

void Uart_Transmit(void)
{

  put_c(0x65);
  //Delay();
  put_c(0x66);
  //Delay();
  put_c(0x67);
  //Delay();
  put_c(0x68);
  //Delay();
  put_c(0x69);

}

void port_initial(void)
{
P0IO=0xFD;
P0=0xFC;
P0OD=0xC0;
P0PU=0xC2;
P0PC=0;

}

void main(void)
{
unsigned char i;

WDTR=0xFF;
BCCR=0x0E;
BCCR=0x0E;
IE3=0x10; // BIT time interrupt
IE=0x80;
SCCR=0x81;
PCON=0x03; // stop1
_nop_();
_nop_();
_nop_();

_nop_();
//SCCR=0x80;
port_initial();

Delay();
Delay();
Delay();
Delay();
Delay();
Delay();
Delay();
Delay();
Delay();
Delay();

Uart_Initial(); //打开使能

for(i=0;i<20;i++)
{
Uart_Transmit();
Delay();
}
while(1);
UCTRL2 = 0x80;
}

void BIT_Int(void) interrupt 22 using 1

{

//P11=~P11;
_nop_();
}

这个程序用uart不断发送efghi 这5个字母给PC,经测试，功能正常。