You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
991 B
C
53 lines
991 B
C
7 years ago
|
#include "backlight.h"
|
||
|
#include <avr/pgmspace.h>
|
||
|
|
||
|
/* backlighting */
|
||
|
void init_backlight_led(void)
|
||
|
{
|
||
|
DDRC |= (1<<PC2 | 1<<PC7);
|
||
|
DDRD |= (1<<PD5 | 1<<PD6);
|
||
|
DDRB |= (1<<PB0);
|
||
|
}
|
||
|
|
||
|
void backlight_led_off(uint8_t index)
|
||
|
{
|
||
|
switch (index) {
|
||
|
case 0:
|
||
|
PORTC |= (1<<PC2);
|
||
|
break;
|
||
|
case 1:
|
||
|
PORTC |= (1<<PC7);
|
||
|
break;
|
||
|
case 2:
|
||
|
PORTD |= (1<<PD5);
|
||
|
break;
|
||
|
case 3:
|
||
|
PORTD |= (1<<PD6);
|
||
|
break;
|
||
|
case 4:
|
||
|
PORTB |= (1<<PB0);
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void backlight_led_on(uint8_t index)
|
||
|
{
|
||
|
switch (index) {
|
||
|
case 0:
|
||
|
PORTC &= ~(1<<PC2);
|
||
|
break;
|
||
|
case 1:
|
||
|
PORTC &= ~(1<<PC7);
|
||
|
break;
|
||
|
case 2:
|
||
|
PORTD &= ~(1<<PD5);
|
||
|
break;
|
||
|
case 3:
|
||
|
PORTD &= ~(1<<PD6);
|
||
|
break;
|
||
|
case 4:
|
||
|
PORTB &= ~(1<<PB0);
|
||
|
break;
|
||
|
}
|
||
|
}
|