keyestudio
www.keyestudio.cc
128
char str3[]="this is the";
char str4[]="4-bit interface";
void LCD_Command_Write(int command)
{
int i,temp;
digitalWrite( LCD1602_RS,LOW);
digitalWrite( LCD1602_RW,LOW);
digitalWrite( LCD1602_EN,LOW);
temp=command & 0xf0;
for (i=DB[0]; i <= 9; i++)
{
digitalWrite(i,temp & 0x80);
temp <<= 1;
}
digitalWrite( LCD1602_EN,HIGH);
delayMicroseconds(1);
digitalWrite( LCD1602_EN,LOW);
temp=(command & 0x0f)<<4;
for (i=DB[0]; i <= 10; i++)
{
digitalWrite(i,temp & 0x80);
temp <<= 1;
}
digitalWrite( LCD1602_EN,HIGH);
delayMicroseconds(1);
digitalWrite( LCD1602_EN,LOW);
}
void LCD_Data_Write(int dat)
{
int i=0,temp;
digitalWrite( LCD1602_RS,HIGH);
digitalWrite( LCD1602_RW,LOW);
digitalWrite( LCD1602_EN,LOW);
temp=dat & 0xf0;
for (i=DB[0]; i <= 9; i++)
Содержание ARDUINO maker learning kit
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