pressure += (x1 + x2 + 3791) >> 4;				//This is the final value for our pressure

	pressure = pressure - 20750;	// Linear Offset for actual pressure

	altitude = (float)44330 * (1 - pow(((float) pressure/105225), 0.190295));	// 101325 THIS IS IN METERS

	altitude = altitude * 3.2804;	//THIS IS IN FEET

}

void sensors_readHumid()

{

	//i2c_write(HUMID_ADDR, 0x00, 0x00);		//Measurement Request

	//humid = i2c_read16(HUMID_ADDR);

	//calculations to relative humidity: humid = (humid/((2^14) - 1))*100%       >> is divide by power, << is multiply by power, 2^14-1 = 16383

	 //humid = (humid / 16383) * 100;

	 //humid = (humid / 2500) * 100;

}

void sensors_readLux()

{

	lightH = i2c_read(LIGHT_ADDR, 0x03);

	lightL = i2c_read(LIGHT_ADDR, 0x04);

	exponent = lightH;

 #include <avr/io.h>

 #include <avr/interrupt.h>

 #include "config.h"

 #include <util/delay.h>

 #include "modules.h"

 #include "lib/spi.h"

 #include "lib/i2c.h"

 #include "lib/sensors.h"

 #include "lib/loopTimer.h"

 #include "lib/led.h"

 uint32_t lastPicture;

 void modules_setup(uint8_t id)

 {

	switch(id)

	{

		case 0:

			modules_generic_setup();

			break;

		case 1:

			modules_sensors_setup();

			break;

 void modules_sensors_setup()

 {

	DESELECT_TEMP;

	setup_spi();

	sensors_setupPressure();

 }

 void modules_geiger_setup()

 {

	// Pin setup

	DDRA &= ~(1 << DDA0);	// PA0 is an input

	// Setup for interrupt input on PA0 (PCINT0)

	// Setup for interrupt from Timer2

	ASSR &= ~(1 << EXCLK);	// Disable external clock input (enabling crystal use)

	ASSR |= (1 << AS2);		// Enable timer2 async mode with an external crystal	

	_delay_ms(100);			// Let external 32KHz crystal stabilize

	TCCR2B = 0x05;			// Set the prescaler to 128: 32.768kHz / 128 = 1Hz overflow

	TIFR2 = 0x01;			// Reset timer2 overflow interrupt flag

	TIMSK2 = 0x01;			// Enable interrupt on overflow

 }

 {

	// Gathers data and performs functions for generic daughter board

 }

 void modules_sensors()

 {

	// Gathers data and performs functions for sensor daughter board

	sensors_readBoardTemp();		//Data Read

	sensors_readSpiTemp();			//Data Read	

	sensors_readPressure();			//Data Read

	sensors_readLux();				//Data Read

 }

 void modules_geiger()

 {

	// No data gatering function needed for geiger daughter board

		// This is taken care of in interrupt (See geiger.c)

 }

 void modules_cameras()

 {

	// Gathers data and performs functions for cameras daughter board

		//cameras_readAccelXYZ();

		if ((time_millis() - lastPicture) > CAMERA_FREQ)

		{

	_delay_ms(50);	// Setup hold delay

	if(WDTreset) led_on(1);	// Turn on LED if WDT reset has occurred	

	io_readModuleId();

	modules_setup(io_getModuleId());	// Run setup functions for specific module

	uint32_t lastLoop = 0;	// Time in ms when last loop occurred 

	// Serial output //DEBUG

	char buff[128];						//Buffer for serial output //DEBUG

	serial1_sendString("Starting Slave\r\n");	//DEBUG

    while(1)

    {	

		wdt_reset();	// Resets WDT (to prevent restart)

		// Master communication

		masterComm_checkParser();	//Checks parser for data requests from master

		// Main slave operations

		if ((time_millis() - lastLoop) > SENSOR_LOOP)	// Uses program timer to run every so often. Time interval defined in config.h

		{

			led_on(0);

			sensors_readBatt();				// Read Battery level

			sensors_readBoardTemp();		// Read board temperature sensor (Common on all slaves) (Data Read)

			modules_run(io_getModuleId());	// Runs specific module functions (like data reading)

			io_regulateTemp();			// Gets board temperature and enables heater if below threshold

			serial1_sendString(buff); //DEBUG

			led_off(0);

			lastLoop = time_millis();

// Writes ID to EEPROM, change for all modules and delete after programming

// 0 is for generic setup,	 1 is for sensors,	 2 is for Geiger,	3 is for cameras

//i2c_write(EEPROM_ADDR, 0x05, 0x02);			

		}	// IFloop

    }	// While(1)