seniordesign-firmware Changeset - 2406c449316b

Changeset - 2406c449316b

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ethanzonca@CL-ENS241-08.cedarville.edu - 12 years ago 2013-02-26 16:34:24
ethanzonca@CL-ENS241-08.cedarville.edu

Added buzzer on touchdown support with altitude and failsafe cutoff time. Failsafe is tested and functional, altitude is untested.

5 files changed with 67 insertions and 4 deletions:

master/master/config.h

master/master/lib/led.c

master/master/lib/sensordata.c

master/master/lib/sensordata.h

master/master/master.c

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master/master/config.h

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@@ @@ -26,12 +26,19 @@ @@
 #define F_CPU 11059200
 #define MODULE_ID '1'
 #define BOARDTEMP_ADDR 0x90
 #define HEATER_THRESHOLD 60
 // Touchdown buzzer settings
 #define BUZZER_RATE 3000
 #define BUZZER_DURATION 1
 #define BUZZER_FAILSAFE_DURATION 600000
 #define BUZZER_TRIGGER_MINDURATION 1
 #define BUZZER_TRIGGER_MAXALTITUDE 1
 // --------------------------------------------------------------------------
 // Error Codes config (led.c, used throughout code)
 // --------------------------------------------------------------------------
 // SD Card

master/master/lib/led.c

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@@ @@ -40,13 +40,13 @@ void led_power_toggle() @@
 	OCR0B ^= 30;
+}
 // Turn the specified LED on
 void led_on(uint8_t led)
+{
 	if(blackout && led != LED_ERROR)
+	if(blackout && led != LED_ERROR && led != LED_BUZZ)
+	{
 		return;
+	}
 	*(ledList[led].port) |= (1<<ledList[led].pin);
+}
@@ @@ -55,13 +55,13 @@ void led_off(uint8_t led) @@
+{
 	*(ledList[led].port) &= ~(1<<ledList[led].pin);
+}
 void led_toggle(uint8_t led)
+{
 	if(blackout && led != LED_ERROR)
+	if(blackout && led != LED_ERROR && led != LED_BUZZ)
+	{
 		return;
+	}
 	*(ledList[led].port) ^= (1<<ledList[led].pin);
+}

master/master/lib/sensordata.c

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@@ @@ -201,7 +201,48 @@ void sensordata_logvalues() @@
+		}
 		// End line and write to log
 		snprintf(logbuf + strlen(logbuf),CSV_LOGLINE_SIZE-strlen(logbuf),"\r\n");
 		logger_log(logbuf);
+	}
+}
 bool isTouchdown = false;
 bool sensordata_isTouchdown()
+{
 	return isTouchdown;
+}
 int32_t sensordata_getSensorValue(uint8_t sensorID)
+{
 	// Loop through all slaves
 	for(int i=0; i<MAX_NUM_SLAVES; i++)
+	{
 		uint32_t val = sensordata_get(i, sensorID);
 		if(val != -2111111111) {
 			return val;
+		}
+	}
 	return -2111111111;
+}
 void sensordata_checkTouchdown()
+{
 	// If we have reached touchdown, never get out of this state
 	if(isTouchdown)
+	{
 		return;
+	}
 	if(time_millis() > BUZZER_FAILSAFE_DURATION)
+	{
 		isTouchdown = true;
+	}
 	else
+	{
 		int32_t altitude = sensordata_getSensorValue(SENSOR_ALTITUDE);
 		if(altitude != -2111111111 && altitude < BUZZER_TRIGGER_MAXALTITUDE && time_millis() > BUZZER_TRIGGER_MINDURATION)
+		{
 			isTouchdown = true;
+		}
+	}
+}
@@ \ No newline at end of file @@

master/master/lib/sensordata.h

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Show inline comments

@@ @@ -18,8 +18,10 @@ @@
 void sensordata_setup();
 void sensordata_set(uint8_t nodeID, uint8_t type, int32_t value);
 int32_t sensordata_get(uint8_t nodeID, uint8_t type);
 char* slavesensors_getAPRScomment();
 void sensordata_logvalues();
 bool sensordata_isTouchdown();
 void sensordata_checkTouchdown();
 #endif /* SENSORDATA_H_ */
@@ \ No newline at end of file @@

master/master/master.c

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Show inline comments

@@ @@ -61,22 +61,22 @@ int main(void) @@
 	// Software timers
 	uint32_t lastAprsBroadcast = 0;
 	uint32_t lastLog = 0;
 	uint32_t lastLedCycle = 0;
 	uint32_t lastDataReq = 0;
 	uint32_t lastBuzz = 0;
 	// Result of last parser run
 	int parseResult = PARSERESULT_NODATA;
 	// FIXME: Probably don't need this.
 	serial1_ioff();
 	while(1)
+    {
 		// Periodic: LED execution indicator
 		if(time_millis() - lastLedCycle > LEDCYCLE_RATE)
+		{
 			led_power_toggle();
 			led_spin();
@@ @@ -110,17 +110,26 @@ int main(void) @@
 			sensordata_logvalues();
 			led_off(LED_CYCLE);
 			lastLog = time_millis();
+		}
 		// Periodic: Buzzer
 		if(time_millis() - lastBuzz > BUZZER_RATE) {
 			if(sensordata_isTouchdown())
+			{
 				led_on(LED_BUZZ);
 				_delay_ms(BUZZER_DURATION);
 				led_off(LED_BUZZ);
+			}
 			lastBuzz = time_millis();
+		}
 		// Periodic: Data Request
 		if(time_millis() - lastDataReq > DATAREQUEST_RATE)
+		{
 			// Start getting values for next transmission
 			if(slavesensors_isrequesting())
+			{
 				// TODO: something is terribly wrong. Timeout?
+			}
 			else
@@ @@ -132,12 +141,16 @@ int main(void) @@
+		}
 		// Periodic: APRS transmission
 		if(time_millis() - lastAprsBroadcast > APRS_TRANSMIT_PERIOD)
+		{
 			// Check for touchdown
 			sensordata_checkTouchdown();
 			// LED blackout
 			#ifdef BLACKOUT_ENABLE
 			led_blackout();
 			#endif
 			// Ensure we aren't already transmitting
 			while(afsk_busy());

0 comments (0 inline, 0 general)