uart.c

基于ARM[LPC2148]SPI的串口液晶显示器6059B的显示程序

#include<head.h>
extern void IniPcPort(void);
extern void msdelay(uchar);
extern void usdelay(uchar);
extern void saveee(void);
extern ulong  data PARAM[8];

void IniPcPort()
	{
       	PCON=0x00;
       	TMOD=0x20;
       	TH1=0xff;    /*   F6  4800 b/s fb=9600 */
       	TL1=0xff;   
       	SCON=0xd0;   /*   Modle 3       */
		REDE=0;
       	EA=1;
       	ES=0;
  	}

unsigned int SumBit(unsigned int k)
{
	unsigned int sum;
	unsigned int idata temp;
	sum=0;
	sum += k/10000;
	temp = k %10000;

	sum += temp/1000;
	temp = temp %1000;

	sum += temp/100;
	temp = temp %100;

	sum += temp/10;
	sum += temp %10;

	return sum;


}

void send(unsigned int SenMem[])
{
	int idata j,sum;   
    IniPcPort();
	EA=0;	
	TR1=1;

	for(j=0;j<3;j++)
			{
				TB8=1;
				SBUF='*';
				while(TI!=1); TI=0;
			}

	sum=0;
	for(j=0;j<8;j++)
	{

		TB8=1;
		SBUF=(unsigned char)(((SenMem[j]) & 0xff00)>>8);
			while(TI!=1); TI=0;
	
		TB8=1;
		SBUF=(unsigned char)((SenMem[j]) & 0x00ff);
			while(TI!=1); TI=0;	

		sum += SumBit(SenMem[j]);
	}

	TB8=1;
	SBUF=(unsigned char)((sum&0xff00)>>8);
			while(TI!=1); TI=0;

	TB8=1;
	SBUF=(unsigned char)(sum & 0x00ff);
			while(TI!=1); TI=0;	

	TB8=1;
	SBUF='#';
	while(TI!=1); TI=0;	

	TB8=1;
	SBUF='\n';
	while(TI!=1); TI=0;
	usdelay(1);
	msdelay(1);
	EA=1;
}


void ReParam(void)
{
	unsigned long val;
	while(RI==0){;}
		RI=0;
	val=(SBUF)*10000;
	EESET=val;

	saveee();
}