42 lines
971 B
C
42 lines
971 B
C
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#include <avr/io.h>
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#include "backlight.h"
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#include "print.h"
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/* Clueboard 2.0 LED locations:
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*
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* Capslock: B4, pull high to turn on
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* LCtrl: Shared with Capslock, DO NOT INSTALL LED'S IN BOTH
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* Page Up: B7, pull high to turn on
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* Escape: D6, pull high to turn on
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* Arrows: D4, pull high to turn on
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*/
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void init_backlight_pin(void) {
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print("init_backlight_pin()\n");
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// Set our LED pins as output
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DDRD |= (1<<6); // Esc
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DDRB |= (1<<7); // Page Up
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DDRD |= (1<<4); // Arrows
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// Set our LED pins low
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PORTD &= ~(1<<6); // Esc
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PORTB &= ~(1<<7); // Page Up
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PORTD &= ~(1<<4); // Arrows
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}
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void backlight_set(uint8_t level) {
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if ( level == 0 ) {
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// Turn off light
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PORTD |= (1<<6); // Esc
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PORTB |= (1<<7); // Page Up
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PORTD |= (1<<4); // Arrows
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} else {
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// Turn on light
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PORTD &= ~(1<<6); // Esc
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PORTB &= ~(1<<7); // Page Up
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PORTD &= ~(1<<4); // Arrows
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}
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}
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