4.8mm点阵屏测试程序.doc

/-/名称：C语言实现汉字显示（12c4052）/作者：wanchun311/日期：2008年12月15日/-#include reg51.h#define uchar unsigned char#define uint unsigned intsbit Red=P17; /红色数据输出引脚低电平有效 sbit CP =P16; /74HC595移时钟 sbit SCK =P15; / 74HC595锁存信号 sbit OE= P14 ; /行扫描地址D（地址第四引脚） void Sendping(); /发送半屏子程序 uchar SendData; /要发送的数据变量 uchar shuzu1; /数组一维变量 uchar shuzu2;/数组二维变量 uchar chang;/改变显示能容（0为欢迎光临；1为停止营业 ） uchar hang;/行扫描变量 （半屏只有16行，所以hang=0到15） uchar code data1432= 0x02,0x20,0x0C,0x20,0x88,0x20,0x69,0x20,0x09,0x20,0x09,0x22,0x89,0x21,0x69,0x7E,0x09,0x60,0x09,0xA0,0x19,0x20,0x28,0x20,0xC8,0x20,0x0A,0x60,0x0C,0x20,0x00,0x00,/ 学 0x04,0x00,0x04,0x02,0x04,0x02,0x04,0x04,0x04,0x08,0x04,0x30,0x05,0xC0,0xFE,0x00,0x05,0x80,0x04,0x60,0x04,0x10,0x04,0x08,0x04,0x04,0x0C,0x06,0x04,0x04,0x00,0x00,/ 大 0x00,0x20,0x02,0x20,0x04,0x20,0x08,0x20, 0x3F,0xA0,0xC0,0x20,0x02,0x20,0x04,0xFF,0x08,0x20,0xFF,0x20,0x10,0xA0,0x20,0xA0,0x60,0xA0,0x03,0xA0,0x00,0x20,0x00,0x00,/华 0x20,0x00,0x23,0xFF,0x22,0x02,0x22,0x0A,0x22,0x12,0x3F,0xE2,0x22,0x02,0x22,0x02,0x22,0x02,0x3F,0xE2,0x22,0x12,0x22,0x12,0x22,0x02,0x67,0xFF,0x22,0x00,0x00,0x00,/西 ;/-/-字发送子程序-void SendByte(void) uchar m; for(m=0;m8;m+) CP = 0; Red = !(SendData & 0x80); /红屏显示 SendData =SendData1;CP = 1; /移位时钟上升沿 /- /-行扫描子程序- void RowsCan(void) uchar scan1; if (hang=0x10) hang =0x00;scan1 =(8+ hang)%16;P1 = P1 & 0xf0;P1 = P1 | scan1;hang+; void SendHang(void) uchar m2,shuzu;shuzu = shuzu1*4; /一维数组变量参数传给数组变量 for(m2 =0;m22;m2+)SendData = data1shuzushuzu2+m2;SendByte();shuzu+;for(m2 =0;m22;m2+)SendData = data1shuzushuzu2+m2;SendByte();shuzu+;for(m2 =0;m22;m2+)SendData = data1shuzushuzu2+m2;SendByte();shuzu+;for(m2 =0;m22;m2+)SendData = data1shuzushuzu2+m2;SendByte();SCK = 0;SCK = 1; /上升沿数据锁存 RowsCan();/行扫描 /-/-发送一屏数据-void Sendping(void) SendHang();shuzu2+ ;shuzu2+ ;if(shuzu2 =32) shuzu2 =0;void initial(void) OE=0;Red = 1;SendData = 0x00;hang = 0x0