seniordesign-firmware Changeset - 0405269c2f4c

Changeset - 0405269c2f4c

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ethanzonca@CL-ENS241-08.cedarville.edu - 12 years ago 2013-02-26 15:05:05
ethanzonca@CL-ENS241-08.cedarville.edu

Added blackout mode for power-saving during actual launches

5 files changed with 55 insertions and 5 deletions:

master/master/config.h

master/master/lib/led.c

master/master/lib/led.h

master/master/lib/looptime.c

master/master/master.c

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master/master/config.h

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@@ @@ -18,12 +18,14 @@ @@
 // --------------------------------------------------------------------------
 // Module config (master.c)
 // --------------------------------------------------------------------------
 //#define DEBUG_OUTPUT
 #define BLACKOUT_ENABLE
 #define F_CPU 11059200
 #define MODULE_ID '1'
 #define BOARDTEMP_ADDR 0x90
 #define HEATER_THRESHOLD 60

master/master/lib/led.c

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@@ @@ -13,73 +13,113 @@ @@
 #include "../config.h"
 #include <avr/io.h>
 #include <util/delay.h>
 #include <stdbool.h>
 #include "led.h"
 bool blackout = false;
 // Configure port direction and initial state of LEDs
 void led_setup()
+{
 	for(int i=0; i<NUM_LEDS; i++)
+	{
 		*(ledList[i].direction) |= (1<<ledList[i].pin); // set pin to output
 		*(ledList[i].port) &= ~(1<<ledList[i].pin); // set pin low
+	}
 	// Beep on startup
 	led_on(LED_POWER);
 	OCR0B = 30; // Power LED
 	led_on(LED_BUZZ);
 	_delay_ms(1);
 	led_off(LED_BUZZ);
+}
 void led_power_toggle()
+{
 	OCR0B ^= 30;
+}
 // Turn the specified LED on
 void led_on(uint8_t led)
+{
 	if(blackout && led != LED_ERROR)
+	{
 		return;
+	}
 	*(ledList[led].port) |= (1<<ledList[led].pin);
+}
-	// Turn the specified LED off
 // Turn the specified LED off
 void led_off(uint8_t led)
+{
 	*(ledList[led].port) &= ~(1<<ledList[led].pin);
+}
 void led_toggle(uint8_t led)
+{
 	if(blackout && led != LED_ERROR)
+	{
 		return;
+	}
 	*(ledList[led].port) ^= (1<<ledList[led].pin);
+}
 void led_blackout() {
 	if(!blackout)
+	{
 		blackout = true;
 		for(int i=0; i<NUM_LEDS; i++)
+		{
 			if(i != LED_ERROR)
+			{
 				*(ledList[i].port) &= ~(1<<ledList[i].pin); // set pin low
+			}
+		}
+	}
+}
 // Flashes error LED a set amount of times, then leaves it on
 void led_errorcode(uint8_t code)
+{
 	led_off(LED_ERROR);
 	_delay_ms(400);
 	for(int i=0; i<code; i++)
+	{
 		// Direct port writing done here to show error LED during blackout
 		led_on(LED_ERROR);
 		_delay_ms(150);
 		led_off(LED_ERROR);
 		_delay_ms(150);
+	}
 	_delay_ms(400);
 	// Direct port writing done here to show error LED during blackout
 	led_on(LED_ERROR);
+}
 void led_alert()
+{
 	if(blackout)
+	{
 		return;
+	}
 	led_on(LED_ACT0);
 	led_on(LED_ACT1);
 	led_on(LED_ACT2);
 	led_on(LED_ACT3);
 	_delay_ms(10);
+}
 uint8_t ctr = 0;
 void led_spin()
+{
 	if(blackout)
+	{
 		return;
+	}
 	if(ctr == 0)
+	{
 		led_on(LED_ACT0);
 		led_off(LED_ACT1);
 		led_off(LED_ACT2);
@@ @@ -110,12 +150,16 @@ void led_spin() @@
+}
 bool pulseUp = true;
 void led_pulsate()
+{
 	if(blackout)
+	{
 		return;
+	}
 	if(OCR0B >= 240 && pulseUp)
 		pulseUp = false;
 	else if(OCR0B <= 12 && !pulseUp);
 		pulseUp = true;
 	if(pulseUp)

master/master/lib/led.h

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@@ @@ -53,14 +53,16 @@ static led_t ledList[] = { @@
 	{&DDRA, &PORTA, PA7}, // BUZZER
 };
 #define NUM_LEDS 12
 void led_setup();
 void led_power_toggle();
 void led_on(uint8_t led);
 void led_off(uint8_t led);
 void led_toggle(uint8_t led);
 void led_blackout();
 void led_errorcode(uint8_t code);
 void led_spin();
 void led_alert();
 #endif /* LED_H_ */

master/master/lib/looptime.c

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@@ @@ -20,15 +20,12 @@ volatile uint32_t millis = 0; // Millise @@
 void time_setup()
+{
 	// Generic microcontroller config options
 	OCR0A = 173; // Approx 172.7969 ticks per ms with 64 prescaler
 	OCR0B = 20; // Power LED
 	TCCR0A |= (1 << WGM01) | (1 << WGM00) | // Count until OCR0A, then overflow (wgm02 in the next line specifies this as well)
 			  (1<< COM0B1); // Non-inverting PWM on OC0B
 	TCCR0B |= (1 << CS01) | (1 << CS00) | (1 << WGM02); // clock div by 64
 	TIFR0 |= ( 1 << TOV0 ); // clear pending interrupts
 	TIMSK0 |= (1 << TOIE0); // enable overflow interrupt
+}

master/master/master.c

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@@ @@ -74,12 +74,13 @@ int main(void) @@
 	while(1)
+    {
 		// Periodic: LED execution indicator
 		if(time_millis() - lastLedCycle > LEDCYCLE_RATE)
+		{
 			led_power_toggle();
 			led_spin();
 			// Enable GPS serial interrupts if we aren't doing AFSK
 			if(!afsk_busy())
 				serial1_ion();
@@ @@ -131,12 +132,16 @@ int main(void) @@
+		}
 		// Periodic: APRS transmission
 		if(time_millis() - lastAprsBroadcast > APRS_TRANSMIT_PERIOD)
+		{
 			#ifdef BLACKOUT_ENABLE
 			led_blackout();
 			#endif
 			// Ensure we aren't already transmitting
 			while(afsk_busy());
 			// Turn off interrupts and transmit APRS sentence
 			serial1_ioff();
 			aprs_send(); // non-blocking

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