利用lcd12864显示实时动态显示温度曲线源代码

#include<lcd12864.h> uchar code table[]="0123456789."; char num=0; uchar x,y; uchar code zuobiao[]={ /*-- 调入了一幅图像：这是您新建的图像 --*/ /*-- 宽度x高度=128x64 --*/ 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0xA8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 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0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01, 0x00,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF }; void delay1ms(uint c) //误差 0us { uchar a,b; for (; c>0; c--) { for (b=199;b>0;b--) { for(a=1;a>0;a--); } } } void lcd_writecom(uchar com) { uchar temp; lcd_rs=0; lcd_rw=1; do //判忙 { lcd_e=1; temp=lcd_date; delay1ms(1); lcd_e=0; } while(temp&0x80); //不忙则退出循环 lcd_rw=0; lcd_date=com; //写命令 lcd_e=1; delay1ms(1); lcd_e=0; } void lcd_writedate(uchar date) { uchar temp; lcd_rs=0; lcd_rw=1; do { lcd_e=1; temp=lcd_date; delay1ms(1); lcd_e=0; } while(temp&0x80); lcd_rs=1; lcd_rw=0; lcd_date=date; lcd_e=1; delay1ms(1); lcd_e=0; } /******判忙***********/ void busy() { lcd_rs=0; lcd_rw=1; lcd_e=1; P0=0xff; while((P0&0x80)==0x80); lcd_e=0; } /******读数据*********/ uchar read() { uchar shuju; busy(); P0=0xff; lcd_rs=1; lcd_rw=1; lcd_e=0; delay1ms(1); lcd_e=1; shuju=P0; delay1ms(1); lcd_e=0; return shuju; } /************增加画点子函数************/ void drawpoint(uchar X,uchar Y,uchar color) { uchar row,tier,tier_bit;//tier_bit的作用：确定该位置是低八位还是高八位 uchar read_old_h,read_old_l; lcd_writecom(0x34);//开启拓展指令集 lcd_writecom(0x36);//开启画图功能指令 tier=X>>4; //算出字地址（每个地址含16位） //X的范围是0~127，即0X7F，tier除以16，获得他的字 //lcd12864定位地址时，只能定位到字 //63,即00111111B，tier：0011B，3 tier_bit=X&0x0f;//算出位于当前字的具体位数 //取得他的低四位 if(Y<32) { row=Y; } else { row=Y-32;//row:0 tier+=8; //tier:处于下半屏幕 } lcd_writecom(row+0x80); lcd_writecom(tier+0x80); read(); //获取以前这个位置（16*16的显示屏）上的数据 read_old_h=read(); read_old_l=read(); lcd_writecom(row+0x80); lcd_writecom(tier+0x80); if(tier_bit<8) //tier_bit=15 { switch(color) { case 0: read_old_h&=(~(0x01<<(7-tier_bit)));break; case 1: read_old_h|=(0x01<<(7-tier_bit));break; case 2: read_old_h^=(0x01<<(7-tier_bit));break; default: break; } lcd_writedate(read_old_h); lcd_writedate(read_old_l); } else { switch(color) { case 0: read_old_l&=(~(0x01<<(15-tier_bit)));break; case 1: read_old_l|=(0x01<<(15-tier_bit));break; case 2: read_old_l^=(0x01<<(15-tier_b