main.c

12位11通道AD转换芯片tlv2553,12位双通道DA转换芯片tlv5638

#include"group.h"

unsigned char code dis1[] = {'0','1','2','3','4','5','6','7','8','9',' ','^','.',0x7f,0x3c,0x3e,'+','-','*','/','N'};
unsigned char code dis2[] = {"WELL"};
unsigned char g_add;


//-----------------------------------------------
void main(void)					    	  //主程序
{
    TMOD=0x01;
    ET0=1;
    EA=1;
    EX1=1;
    TR0=1;
	XBYTE[0x800];
	lcd_init();
//------------------------------
    DA_IN(0xd000);
    g_add=400;
    while(1)
	{ 
        if(g_add<0)g_add=0;
	    if(g_add>800)g_add=800;
	  
	    display_char(2,1,g_add/100+'0');
	    display_char(3,1,g_add%100/10+'0');
        display_char(4,1,g_add%10+'0');
	    DA_IN(0xc000+g_add*0x5);
        AD_main();
	}
//------------------------------
}