void hd44780_init(void)
{
/* init io pins */
CTRL_OUTPUT();
PIN_CLEAR(HD44780_RS);
PIN_CLEAR(HD44780_EN);
#ifdef HAVE_HD44780_RW
PIN_CLEAR(HD44780_RW);
#endif
PIN_CLEAR(HD44780_D4);
PIN_CLEAR(HD44780_D5);
PIN_CLEAR(HD44780_D6);
PIN_CLEAR(HD44780_D7);
DATA_OUTPUT();
_delay_ms(40);
PIN_SET(HD44780_D4);
PIN_SET(HD44780_D5);
clock_write();
_delay_ms(4);
clock_write();
_delay_ms(1);
clock_write();
/* init done */
_delay_ms(1);
PIN_CLEAR(HD44780_D4);
clock_write();
_delay_ms(1);
/* configure for 4 bit, 2 lines, 5x9 font (datasheet, page 24) */
output_byte(0, CMD_FUNCTIONSET(0, 1, 0));
/* turn on display, cursor and blinking */
hd44780_config(0,0);
/* clear display */
hd44780_clear();
/* set shift and increment */
output_byte(0, CMD_ENTRY_MODE(1, 0));
/* set ddram address */
output_byte(0, CMD_SETDRAMADR(0));
/* open file descriptor */
lcd = fdevopen(hd44780_put, NULL);
/* set current virtual postion */
current_pos = 0;
}
void hd44780_init(void)
{
/* verschiedene Hardware initialisieren */
hd44780_hw_init();
_delay_ms(40);
#if HD44780_TYPE == HD44780_KS0066U
/* Hardware initialisiert -> Standardprozedur KS0066U Datenblatt 4bit Mode */
output_nibble(0, 0x02);
#else
/* Hardware initialisiert -> Standardprozedur HD44780 Datenblatt 4bit Mode */
output_nibble(0, 0x03);
_delay_ms(4);
clock_write();
_delay_ms(1);
clock_write();
_delay_ms(1);
output_nibble(0, 0x02); //4bit mode
_delay_ms(1);
/* init done */
#endif
/* configure for 4 bit, 2 lines, 5x9 font (datasheet, page 24) */
output_byte(0, CMD_FUNCTIONSET(0, 1, 0));
/* turn on display, cursor and blinking */
hd44780_config(0,0);
/* clear display */
hd44780_clear();
/* set shift and increment */
output_byte(0, CMD_ENTRY_MODE(1, 0));
/* set ddram address */
output_byte(0, CMD_SETDRAMADR(0));
/* open file descriptor */
lcd = fdevopen(hd44780_put, NULL);
/* set current virtual postion */
current_pos = 0;
}
void hd44780_init(void)
{
/* verschiedene Hardware initialisieren */
hd44780_hw_init();
_delay_ms(40);
#if CONF_HD44780_TYPE == HD44780_KS0066U
/* Hardware initialisiert -> Standardprozedur KS0066U Datenblatt 4bit Mode */
output_nibble(0, 0x02, 1);
#else
/* Hardware initialisiert -> Standardprozedur HD44780 Datenblatt 4bit Mode */
output_nibble(0, 0x03,1);
_delay_ms(4);
#ifdef HD44780_2WIRE
output_nibble(0, 0x03,1);
#else
clock_write(1);
#endif /*HD44780_2WIRE*/
_delay_ms(1);
#ifdef HD44780_2WIRE
output_nibble(0, 0x03,1);
#else
clock_write(1);
#endif /*HD44780_2WIRE*/
_delay_ms(1);
output_nibble(0, 0x02,1); //4bit mode
_delay_ms(1);
/* init done */
#endif /*CONF_HD44780_TYPE*/
/* configure for 4 bit, 2 lines, 5x8 font (datasheet, page 24) */
output_byte(0, CMD_FUNCTIONSET(0, 1, 0), 1);
/* turn on display, cursor and blinking */
hd44780_config(0,0,1);
/* clear display */
hd44780_clear(1);
/* set shift and increment */
output_byte(0, CMD_ENTRY_MODE(1, 0),1);
/* set ddram address */
output_byte(0, CMD_SETDRAMADR(0),1);
/*Configure Controller 2 */
#ifdef HD44780_MULTIENSUPPORT
/* verschiedene Hardware initialisieren */
hd44780_hw_init();
_delay_ms(40);
#if CONF_HD44780_TYPE == HD44780_KS0066U
/* Hardware initialisiert -> Standardprozedur KS0066U Datenblatt 4bit Mode */
output_nibble(0, 0x02, 2);
#else
/* Hardware initialisiert -> Standardprozedur HD44780 Datenblatt 4bit Mode */
output_nibble(0, 0x03,2);
_delay_ms(4);
clock_write(2);
_delay_ms(1);
clock_write(2);
_delay_ms(1);
output_nibble(0, 0x02,2); //4bit mode
_delay_ms(1);
/* init done */
#endif
/* configure for 4 bit, 2 lines, 5x9 font (datasheet, page 24) */
output_byte(0, CMD_FUNCTIONSET(0, 1, 0), 2);
/* turn on display, cursor and blinking */
hd44780_config(0,0,2);
/* clear display */
hd44780_clear(2);
/* set shift and increment */
output_byte(0, CMD_ENTRY_MODE(1, 0),2);
/* set ddram address */
output_byte(0, CMD_SETDRAMADR(0),2);
#endif
/* set current virtual postion */
current_pos = 0;
}
