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pos机lcd液晶显示屏
#include <reg51.h>
#include <stdio.h>
sbit OLED_SCL = P1^0;
sbit OLED_SDA = P1^1;
void OLED_IIC_Start()
{
OLED_SDA = 1;
OLED_SCL = 1;
OLED_SDA = 0;
OLED_SCL = 0;
}
void OLED_IIC_Stop()
{
OLED_SDA = 0;
OLED_SCL = 1;
OLED_SDA = 1;
OLED_SCL = 0;
}
void OLED_IIC_Write_Byte(unsigned char IIC_Byte)
{
unsigned char i;
for (i=0;i<8;i++)
{
OLED_SCL = 0;
if (IIC_Byte & 0x80) OLED_SDA = 1;
else OLED_SDA = 0;
OLED_SCL = 1;
IIC_Byte <<= 1;
}
OLED_SCL = 0;
OLED_SDA = 1;
OLED_SCL = 1;
OLED_SDA = 1;
}
void OLED_Init()
{
OLED_IIC_Start();
OLED_IIC_Write_Byte(0x78);
OLED_IIC_Write_Byte(0x00);
OLED_IIC_Write_Byte(0xD5);
OLED_IIC_Write_Byte(0x80);
OLED_IIC_Write_Byte(0xA8);
OLED_IIC_Write_Byte(0x3F);
OLED_IIC_Write_Byte(0xD3);
OLED_IIC_Write_Byte(0x00);
OLED_IIC_Write_Byte(0x40);
OLED_IIC_Write_Byte(0x8D);
OLED_IIC_Write_Byte(0x14);
OLED_IIC_Write_Byte(0x20);
OLED_IIC_Write_Byte(0x00);
OLED_IIC_Write_Byte(0xA1);
OLED_IIC_Write_Byte(0xC8);
OLED_IIC_Write_Byte(0xDA);
OLED_IIC_Write_Byte(0x12);
OLED_IIC_Write_Byte(0x81);
OLED_IIC_Write_Byte(0xCF);
OLED_IIC_Write_Byte(0xD9);
OLED_IIC_Write_Byte(0xF1);
OLED_IIC_Write_Byte(0xDB);
OLED_IIC_Write_Byte(0x40);
OLED_IIC_Write_Byte(0xA4);
OLED_IIC_Write_Byte(0xA6);
OLED_IIC_Write_Byte(0xAF);
OLED_IIC_Stop();
}
void OLED_Set_Pos(unsigned char x, unsigned char y)
{
OLED_IIC_Start();
OLED_IIC_Write_Byte(0x78);
OLED_IIC_Write_Byte(0x00);
OLED_IIC_Write_Byte(0xB0+y);
OLED_IIC_Write_Byte(((x&0xF0)>>4)|0x10);
OLED_IIC_Write_Byte((x&0x0F)|0x01);
OLED_IIC_Stop();
}
void OLED_Show_Str(unsigned char x,unsigned char y,char *chr)
{
unsigned char c=0,l=0;
while (chr[c]!='\\0')
{
l=chr[c];
OLED_Set_Pos(x,y);
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