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#include "lcd.h"
void Lcd1602_Delay1ms(uint c)
{
uchar a,b;
for (c=0; c>0; c--)
{
for (b=199;b>0;b--)
{
for(a=1;a>0;a--);
}
}
}
#ifndef LCD1602_4PINS
void LcdWriteCom(uchar com)
{
LCD1602_E = 0;
LCD1602_RS = 0;
LCD1602_RW = 0;
LCD1602_DATAPINS = com;
Lcd1602_Delay1ms(1);
LCD1602_E = 1;
Lcd1602_Delay1ms(5);
LCD1602_E = 0;
}
#else
void LcdWriteCom(uchar com)
{
LCD1602_E = 0;
LCD1602_RS = 0;
LCD1602_RW = 0;
LCD1602_DATAPINS = com;
Lcd1602_Delay1ms(1);
LCD1602_E = 1;
Lcd1602_Delay1ms(5);
LCD1602_E = 0;
LCD1602_DATAPINS = com << 4;
Lcd1602_Delay1ms(1);
LCD1602_E = 1;
Lcd1602_Delay1ms(5);
LCD1602_E = 0;
}
#endif
#ifndef LCD1602_4PINS
void LcdWriteData(uchar dat)
{
LCD1602_E = 0;
LCD1602_RS = 1;
LCD1602_RW = 0;
LCD1602_DATAPINS = dat;
Lcd1602_Delay1ms(1);
LCD1602_E = 1;
Lcd1602_Delay1ms(5);
LCD1602_E = 0;
}
#else
void LcdWriteData(uchar dat)
{
LCD1602_E = 0;
LCD1602_RS = 1;
LCD1602_RW = 0;
LCD1602_DATAPINS = dat;
Lcd1602_Delay1ms(1);
LCD1602_E = 1;
Lcd1602_Delay1ms(5);
LCD1602_E = 0;
LCD1602_DATAPINS = dat << 4;
Lcd1602_Delay1ms(1);
LCD1602_E = 1;
Lcd1602_Delay1ms(5);
LCD1602_E = 0;
}
#endif
#ifndef LCD1602_4PINS
void LcdInit()
{
LcdWriteCom(0x38);
LcdWriteCom(0x0c);
LcdWriteCom(0x06);
LcdWriteCom(0x01);
LcdWriteCom(0x80);
}
#else
void LcdInit()
{
LcdWriteCom(0x32);
LcdWriteCom(0x28);
LcdWriteCom(0x0c);
LcdWriteCom(0x06);
LcdWriteCom(0x01);
LcdWriteCom(0x80);
}
#endif |
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