Initial commit

libs/led/led.c

@@ -0,0 +1,62 @@
+/*
+ * led.c
+ *
+ *  Created on: 26.07.2015
+ *      Author: Flo
+ */
+
+#include "led.h"
+
+// init default configuration
+volatile uint8_t led_flags = LED_ACTIVE_LOW;
+
+void led_initPorts() {
+	// define the following pins as OUTPUT
+	LED_DDR |= ((1<<LED_BLUE)|(1<<LED_RED)|(1<<LED_GREEN));
+
+	if (led_flags & LED_ACTIVE_HIGH) {
+		// set output state to LOW to disable all leds (leds are active high)
+		LED_PORT &= ~((1<<LED_BLUE)|(1<<LED_RED)|(1<<LED_GREEN));
+	}
+	if (led_flags & LED_ACTIVE_LOW) {
+		// set output state to HIGH to disable all leds (leds are active low)
+		LED_PORT |= ((1<<LED_BLUE)|(1<<LED_RED)|(1<<LED_GREEN));
+	}
+}
+
+void led_config(uint8_t flags) {
+	led_flags = flags;
+}
+
+void led_init() {
+	led_initPorts();
+}
+
+
+void led_off(uint8_t pin) {
+	if (led_flags & LED_ACTIVE_HIGH) cbi(LED_PORT,pin);
+	if (led_flags & LED_ACTIVE_LOW) sbi(LED_PORT,pin);
+
+}
+
+void led_on(uint8_t pin) {
+	if (led_flags & LED_ACTIVE_HIGH) sbi(LED_PORT,pin);
+	if (led_flags & LED_ACTIVE_LOW) cbi(LED_PORT,pin);
+}
+
+void led_flash(uint8_t pin) {
+	led_on(pin);
+	_delay_ms(10);
+	led_off(pin);
+	_delay_ms(140);
+}
+
+
+
+
+void disco(){
+	led_flash(LED_BLUE);
+	led_flash(LED_RED);
+	led_flash(LED_GREEN);
+}
+

libs/led/led.h

@@ -0,0 +1,64 @@
+/*
+ * led.h
+ *
+ *  Created on: 26.07.2015
+ *      Author: Flo
+ */
+
+#include <util/delay.h>
+#include <avr/io.h>
+
+
+#ifndef LED_H_
+#define LED_H_
+
+
+#ifndef cbi
+	#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
+#endif
+#ifndef sbi
+	#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
+#endif
+
+#define LED_PORT    PORTD
+#define LED_DDR     DDRD
+
+#define LED_ACTIVE_LOW 	0x01
+#define LED_ACTIVE_HIGH 0x02
+
+
+#if defined (__AVR_ATmega8__)
+	#define LED_BLUE	PD5
+	#define LED_RED		PD6
+	#define LED_GREEN	PD7
+#elif defined (__AVR_ATmega168P__)
+	#define LED_BLUE	PD5
+	#define LED_RED		PD6
+	#define LED_GREEN	PD7
+#elif defined (__AVR_ATtiny2313__)
+	#define LED_BLUE	PD3
+	#define LED_RED		PD4
+	#define LED_GREEN	PD5
+#else
+	#if !defined(__COMPILING_AVR_LIBC__)
+		#warning "device type not defined"
+	#endif
+#endif
+
+
+
+extern volatile uint8_t led_flags;
+
+void led_init();
+void led_config(uint8_t flags);
+void led_initPorts();
+
+void led_off(uint8_t pin);
+void led_on(uint8_t pin);
+void led_flash(uint8_t pin);
+
+void disco();
+
+
+
+#endif /* LED_H_ */