//check busy line
static void LCDwaitUntilNotBusy()
{
#if (USE_BUSY_FLAG == 1)
uint8_t bfst=255;
//make D4-D7 as input
bit_clear(LCD_D4_DDR, BIT(LCD_D4_BIT));
bit_set(LCD_D4_PORT, BIT(LCD_D4_BIT));
bit_clear(LCD_D5_DDR, BIT(LCD_D5_BIT));
bit_set(LCD_D5_PORT, BIT(LCD_D5_BIT));
bit_clear(LCD_D6_DDR, BIT(LCD_D6_BIT));
bit_set(LCD_D6_PORT, BIT(LCD_D6_BIT));
bit_clear(LCD_D7_DDR, BIT(LCD_D7_BIT));
bit_set(LCD_D7_PORT, BIT(LCD_D7_BIT));
//rs=en=0
bit_clear(LCD_EN_PORT, BIT(LCD_EN_BIT));
bit_clear(LCD_RS_PORT, BIT(LCD_RS_BIT));
//rw=1
bit_set(LCD_RW_PORT, BIT(LCD_RW_BIT));
_delay_us(LCD_EN_DELAY);
//check busy flag
do
{
//LCD_PORT |= _BV(LCD_EN);//high
bit_set(LCD_EN_PORT, BIT(LCD_EN_BIT));
_delay_us(LCD_EN_DELAY);
//bfst = LCD_PIN; //ambil bf dr nibble tggi
bfst = bit_get(LCD_D7_PIN, BIT(LCD_D7_BIT));
//LCD_PORT &= ~(_BV(LCD_EN)); //low
bit_clear(LCD_EN_PORT, BIT(LCD_EN_BIT));
_delay_us(LCD_EN_DELAY);
//LCD_PORT |= _BV(LCD_EN);//high
bit_set(LCD_EN_PORT, BIT(LCD_EN_BIT));
_delay_us(LCD_EN_DELAY);
//LCD_PORT &= ~(_BV(LCD_EN)); //low
bit_clear(LCD_EN_PORT, BIT(LCD_EN_BIT));
_delay_us(LCD_EN_DELAY);
} //while ((bfst & 0x80) == 0x80); //loop sampe tdk busy
while(bfst == BIT(LCD_D7_BIT));
//restore as output
//LCD_PORT = 0;
//LCD_DDR = 0xff;
lcd_pin_setup();
#else
//LCD_PORT &= ~(_BV(LCD_RW)); //make as output low state
_delay_ms(LCD_CMD_DELAY);
#endif
}
/*
* description: Set up all GPIO pins needed for LCD
*
*/
static void lcd_pin_setup_All()
{
lcd_pin_setup(LCD_RS_PIN_NUMBER);
lcd_pin_setup(LCD_E_PIN_NUMBER);
lcd_pin_setup(LCD_DB4_PIN_NUMBER);
lcd_pin_setup(LCD_DB5_PIN_NUMBER);
lcd_pin_setup(LCD_DB6_PIN_NUMBER);
lcd_pin_setup(LCD_DB7_PIN_NUMBER);
}
//lcd init
void LCDinit()
{
//setup lcd pin
lcd_pin_setup();
//init lcd
_delay_ms(50);
bit_clear(LCD_RS_PORT, BIT(LCD_RS_BIT));
bit_clear(LCD_EN_PORT, BIT(LCD_EN_BIT));
bit_set(LCD_D4_PORT, BIT(LCD_D4_BIT));
bit_set(LCD_D5_PORT, BIT(LCD_D5_BIT));
LCDtoggleEn();
_delay_ms(10);
//LCD_PORT=0x30; //DB4 = DB5 = 1, RS = RW = 0
LCDtoggleEn();
_delay_ms(5);
//LCD_PORT=0x30; //DB4 = DB5 = 1, RS = RW = 0
LCDtoggleEn();
_delay_ms(5);
//LCD_PORT=0x20; //DB5 = 1, RS = RW = 0
bit_clear(LCD_D4_PORT, BIT(LCD_D4_BIT));
LCDtoggleEn();
_delay_ms(5);
//set setting
LCDsendCommand(0x28); //4bit 2line 5x7font
LCDsendCommand(0x0c); //display on cursor off
LCDsendCommand(0x06); //auto inc display shift off
LCDsendCommand(0x80); //cursor home
//init 8 custom chars
//uint8_t ch=0, chn=0;
//while(ch<64)
//{
//LCDdefinechar((LcdCustomChar+ch),chn++);
//ch=ch+8;
//}
LCDDefineProgressBarChar();
}
