Keyestudio ARDUINO maker learning kit Manual page 131

{
digitalWrite(i,temp & 0x80);
temp <<= 1;
}
digitalWrite( LCD1602_EN,HIGH);
delayMicroseconds(1);
digitalWrite( LCD1602_EN,LOW);
temp=(dat & 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_SET_XY( int x, int y )
{
int address;
if (y ==0) address = 0x80 + x;
else address = 0xC0 + x;
LCD_Command_Write(address);
}
void LCD_Write_Char( int x,int y,int dat)
{
LCD_SET_XY( x, y );
LCD_Data_Write(dat);
}
void LCD_Write_String(int X,int Y,char *s)
{
LCD_SET_XY( X, Y );
while (*s)
{
LCD_Data_Write(*s);
s ++;
keyestudio
// address setup
// write character string
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