241 lines
No EOL
3.5 KiB
C
241 lines
No EOL
3.5 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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0x10, 0x60, 0x02, 0x0C, 0xC0, 0x04, 0x04, 0x04, 0x04, 0xFC, 0x04, 0x04, 0x04, 0x04, 0x00, 0x00,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00,
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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 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 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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}
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void setCommand(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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}
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void setPage(unsigned char p)
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{
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setCommand(0xb8 + p);
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}
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void setLine(unsigned char p)
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{
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setCommand(0xc0 + p);
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}
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void setY(unsigned char p)
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{
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setCommand(0x40 + p);
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}
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void name(unsigned int line)
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{
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unsigned int j;
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CSA = 1;
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CSB = 0;
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RS = 0;
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RW = 0;
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P1 = 0xb8 + 0;
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write();
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P1 = 0X40;
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write();
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for(j=0; j < 48; j++)
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{
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RS = 1;
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RW = 0;
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P1 = Z[j%48];
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write();
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}
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RS = 0;
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RW = 0;
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P1 = 0xb8 + 1;
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write();
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P1 = 0X40;
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write();
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for(j=0; j < 48; j++)
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{
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RS = 1;
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RW = 0;
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P1 = Z2[j%48];
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write();
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}
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CSA = 0;
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CSB = 1;
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RS = 0;
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RW = 0;
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P1 = 0xb8 + line;
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write();
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P1 = 0X40;
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write();
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for(j=0; j < 48; j++)
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{
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RS = 1;
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RW = 0;
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P1 = Z[j%48];
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write();
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}
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RS = 0;
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RW = 0;
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P1 = 0xb8 + 1;
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write();
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P1 = 0X40;
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write();
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for(j=0; j < 48; j++)
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{
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RS = 1;
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RW = 0;
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P1 = Z2[j%48];
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write();
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}
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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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}
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void test()
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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 = 0x55;
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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 = 0x55;;
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write();
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}
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}
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} |