175 lines
2.6 KiB
C
175 lines
2.6 KiB
C
#include <reg52.h>
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#include "display.h"
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#include "delay.h"
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// DB P1
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// CTL P3
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sbit RS = P3 ^ 0;
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sbit RW = P3 ^ 1;
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sbit E = P3 ^ 2;
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sbit CSA = P3 ^ 4;
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sbit CSB = P3 ^ 5;
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const unsigned char Z[] =
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{
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/*-- 文字: 江 --*/
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/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/
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0x10, 0x60, 0x02, 0x0C, 0xC0, 0x04, 0x04, 0x04, 0x04, 0xFC, 0x04, 0x04, 0x04, 0x04, 0x00, 0x00,
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/*-- 文字: 一 --*/
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/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00,
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/*-- 文字: 和 --*/
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/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/
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0x20, 0x24, 0x24, 0xA4, 0xFE, 0x23, 0x22, 0x20, 0x00, 0xF8, 0x08, 0x08, 0x08, 0xF8, 0x00, 0x00,
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};
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const unsigned char Z2[] =
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{
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0x04, 0x04, 0x7C, 0x03, 0x20, 0x20, 0x20, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x10, 0x08, 0x06, 0x01, 0xFF, 0x01, 0x06, 0x00, 0x00, 0x3F, 0x10, 0x10, 0x10, 0x3F, 0x00, 0x00
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};
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void selA()
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{
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CSA = 1;
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CSB = 0;
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}
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void selB()
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{
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CSA = 0;
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CSB = 1;
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}
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void writeData(unsigned char d)
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{
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RS = 1;
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RW = 0;
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P1 = d;
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E = 0;
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E = 1;
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delay(3);
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E = 0;
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}
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void writeCommand(unsigned char d)
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{
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RS = 0;
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RW = 0;
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P1 = d;
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E = 0;
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E = 1;
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delay(3);
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E = 0;
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}
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void lcdInit()
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{
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selA();
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writeCommand(0x3f);
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selB();
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writeCommand(0x3f);
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selA();
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}
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void setPage(unsigned char p)
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{
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writeCommand(0xb8 + p);
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}
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void setLine(unsigned char p)
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{
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writeCommand(0xc0 + p);
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}
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void setY(unsigned char p)
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{
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writeCommand(0x40 + p);
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}
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void name(unsigned int i)
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{
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unsigned int line = 0;
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while(line < 48)
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{
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setPage(0);
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setY(i);
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writeData(Z[line]);
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setPage(1);
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setY(i);
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writeData(Z2[line++]);
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}
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}
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void write()
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{
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RW = 0;
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E = 0;
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E = 1;
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delay(2);
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E = 0;
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}
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void clear()
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{
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unsigned int i, j;
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CSA = 1;
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CSB = 0;
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for(i = 0; i < 8; i++)
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{
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RS = 0;
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RW = 0;
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P1 = 0xb8 + i;
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write();
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P1 = 0X40;
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write();
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for(j = 0; j < 64; j++)
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{
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RS = 1;
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RW = 0;
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P1 = 0x00;;
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write();
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}
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}
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CSA = 0;
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CSB = 1;
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for(i = 0; i < 8; i++)
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{
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RS = 0;
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RW = 0;
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P1 = 0xb8 + i;
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write();
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P1 = 0X40;
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write();
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for(j = 0; j < 64; j++)
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{
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RS = 1;
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RW = 0;
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P1 = 0x00;;
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write();
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}
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}
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}
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void init()
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{
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E = 0;
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RS = 1;
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CSA = 1;
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CSB = 0;
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RS = 0;
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P1 = 0X3F;
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write();
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CSA = 0;
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CSB = 1;
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RS = 0;
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P1 = 0XFF;
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write();
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} |