66 lines
1.2 KiB
C
66 lines
1.2 KiB
C
/*
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* led.c
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*
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* Created on: 26.07.2015
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* Author: Flo
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*/
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#include "led.h"
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// init default configuration
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volatile uint8_t led_flags = LED_ACTIVE_LOW;
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void led_initPorts() {
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// define the following pins as OUTPUT
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LED_DDR |= ((1<<LED_BLUE)|(1<<LED_RED)|(1<<LED_GREEN));
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if (led_flags & LED_ACTIVE_HIGH) {
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// set output state to LOW to disable all leds (leds are active high)
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LED_PORT &= ~((1<<LED_BLUE)|(1<<LED_RED)|(1<<LED_GREEN));
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}
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else {
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// set output state to HIGH to disable all leds (leds are active low)
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LED_PORT |= ((1<<LED_BLUE)|(1<<LED_RED)|(1<<LED_GREEN));
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}
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}
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void led_config(uint8_t flags) {
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led_flags = flags;
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}
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void led_init() {
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led_initPorts();
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}
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void led_off(uint8_t pin) {
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if (led_flags & LED_ACTIVE_HIGH) cbi(LED_PORT,pin);
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else sbi(LED_PORT,pin);
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// sbi(LED_PORT,pin);
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}
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void led_on(uint8_t pin) {
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if (led_flags & LED_ACTIVE_HIGH) sbi(LED_PORT,pin);
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else cbi(LED_PORT,pin);
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// cbi(LED_PORT,pin);
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}
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void led_flash(uint8_t pin) {
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led_on(pin);
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_delay_ms(10);
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led_off(pin);
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_delay_ms(140);
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}
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void led_disco(){
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led_flash(LED_BLUE);
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led_flash(LED_RED);
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led_flash(LED_GREEN);
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}
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