/*

 * config.h

 *

 * Created: 10/25/2012 10:00:09 PM

 *  Author: mkanning

 */

 #ifndef CONFIG_H_

 #define CONFIG_H_

 #define F_CPU 11059200				// Clock frequency (used in calculations)

//Serial

#define USART0_BAUDRATE 115200

#define USART1_BAUDRATE 115200 

// Circular serial buffer size. Must be at least MAX_CMD_LEN + 5

#define BUFFER_SIZE 32

// Maximum payload size of command

#define MAX_PAYLOAD_LEN 16

// Number of datatypes to transmit per module type

#define DATATYPES_GENERIC 3

#define DATATYPES_SENSOR 8

#define DATATYPES_GEIGER 4

#define DATATYPES_CAMERA 3

//Sensors and IO

#define SENSOR_LOOP 100				// Frequency of sensor reads (in ms) (should be 200)

#define HEATER_THRESHOLD 40			// Temperature threshold in Fahrenheit where heater is activated

 //I2C Addresses

 #define EEPROM_ADDR 0xA0		// Read 0xA1 - Write 0xA0

 #define BOARDTEMP_ADDR 0x90	// Read 0x91 - Write 0x90

 #define PRESSURE_ADDR 0xEE		// Read 0xEF - Write 0xEE

 #define HUMID_ADDR 0x26		// Read 0x27 - Write 0x26

 #define LIGHT_ADDR 0x94		// Read 0x95 - Write 0x94

 #define RTC_ADDR 0xB2			//DEBUG [Used for testing]      // Read 0xA3 - Write 0xA2

 #endif /* CONFIG_H_ */

/*

 * cameras.c

 *

 * Created: 11/19/2012 9:25:23 PM

 *  Author: kripperger

 */ 

 #include <inttypes.h>

 #include <avr/io.h>

 #include <avr/interrupt.h>

 #include "../config.h"

 #include <util/delay.h>

 #include "cameras.h"

/*

 * cameras.h

 *

 * Created: 11/19/2012 9:25:36 PM

 *  Author: kripperger

 */ 

#ifndef CAMERAS_H_

#define CAMERAS_H_

#endif /* CAMERAS_H_ */

/*

 * io.c

 *

 * Created: 11/7/2012 7:17:52 PM

 *  Author: kripperger

 */ 

#include <avr/io.h>

#include "../config.h"

#include "inputOutput.h"

#include "led.h"

#include "sensors.h"

int8_t	moduleID;	// Slave Module ID from rotary dip switch (or EEPROM)

 void io_configure()

 {

	// Configure ports/pins

	DDRB |= (1 << DDB4);		// Set PB4 to Output for Heater (also allows SCK (on SPI bus) to operate)

	DDRC &= ~(1 << DDC2);		// Set PC2 to input for rotary dip

	DDRC &= ~(1 << DDC3);		// Set PC3 to input for rotary dip

	DDRC &= ~(1 << DDC4);		// Set PC4 to input for rotary dip

	DDRC &= ~(1 << DDC5);		// Set PC5 to input for rotary dip

	DDRA &= ~(1 << DDA7);		// Set PA7 to input for battery voltage divider

	//ADC register configurations for battery level detection on PA7

	ADCSRA |= (1 << ADPS2) | (1 << ADPS1) | (1 << ADPS0);	// Set prescaler for ADC, 128 gives ADC freq of 125 KHz

	ADMUX |= (1 << REFS0);									// Set ADC reference voltage to AVCC

	ADMUX |= (1 << MUX2) | (1 << MUX1) | (1 << MUX0);		// Select ADC7 as the conversion channel

	ADCSRA |= (1 << ADATE);									// Enables auto trigger, determined in ADCSRB bits ADTS

	ADCSRB &= ~((1 << ADTS2) | (1 << ADTS1) | (1 << ADTS0));// Set ADC auto trigger source to free running mode

	ADCSRA |= (1 << ADEN);									// Enable ADC

	ADCSRA |= (1 << ADSC);									// Start ADC measurements.  ADC should now continuously run conversions, which are stored in ADCH 0x79

 }

 void io_readModuleId()

 {

	// Get ID from rotary dip and return it. 

	moduleID = 0;

	// This method is temporary as the next release will read the module ID from EEPROM

	PORTC |= (1 << PC2);	// Pull pins on rotary dip high

	PORTC |= (1 << PC3);	// Pull pins on rotary dip high

	PORTC |= (1 << PC4);	// Pull pins on rotary dip high

	PORTC |= (1 << PC5);	// Pull pins on rotary dip high

	moduleID = ((PINC & 0b00011100) >> 2);		// Read Dip Encoder

	moduleID = ~moduleID;						//Invert Dip reading

	moduleID = (moduleID & 0b0111);				//Mask bits

	while(moduleID==0)

	{

		moduleID = i2c_read(EEPROM_ADDR, 0x05);

	}

 }

 uint8_t io_getModuleId()

 {

	return moduleID;

 }

 void io_heaterOn()

 {		

	PORTB |= (1 << PB4);	//ON

 }

 void io_heaterOff()

 {

	PORTB &= ~(1 << PB4);	//OFF

 }

 uint8_t io_heaterStatus()

 {

	 uint8_t state;

	 state = 0;

	 state = ((PORTB & 0b00010000) >> 4);

	 return state;

 }

  void io_regulateTemp()

  {

	  // Gets board temperature and enables heater if below threshold

	  if (sensors_getBoardTemp() <= HEATER_THRESHOLD)

	  {

		  io_heaterOn();

		  led_on(1);

	  } 

	  else if (sensors_getBoardTemp() > (HEATER_THRESHOLD + 5))

	  {

		  io_heaterOff();

		  led_off(1);

	  }

  }

/*

 * sensors.h

 *

 * Created: 11/19/2012 9:24:50 PM

 *  Author: kripperger

 */ 

#ifndef SENSORS_H_

#define SENSORS_H_

void sensors_setupPressure(void);	// Reads pressure calibration values

void sensors_readSpiTemp(void);		// Reads spi temperature

void sensors_readBoardTemp(void);	// Reads board temperature

void sensors_readPressure(void);	// Reads pressure

void sensors_readHumid(void);		// Reads humidity

void sensors_readLux(void);			// Reads lux

int16_t sensors_getSpiTemp(void);	// Gets spi temperature from variable

int8_t sensors_getBoardTemp(void);	// Gets board temperature from variable

int32_t sensors_getPressure(void);	// Gets pressure from variable

uint16_t sensors_getHumid(void);	// Gets humidity from variable

uint32_t sensors_getLux(void);		// Gets lux from variable

uint16_t sensors_getBatt(void);		// Gets battery voltage from variable

uint32_t sensors_getAltitude(void);	// Gets altitude from variable

#endif /* SENSORS_H_ */

	PCICR |= (1 << PCIE0);		// Enable ioc section PCIF0

	// 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(250);			// 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

	sei();					// Enable all interrupts

 }

 void modules_cameras_setup()

 {

 }

 void modules_generic()

 {

	// 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_readHumid();			//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

 } 

 * Slave Firmware

 *

 * Wireless Observational Modular Aerial Network

 *

 * Kyle Ripperger

 * Ethan Zonca

 * Matthew Kanning

 * Matthew Kroening

 *

 */

#include "config.h"

#include <stdio.h>

#include <inttypes.h>

#include <avr/io.h>

#include <compat/twi.h>

#include <util/delay.h>

#include <avr/cpufunc.h>

#include <avr/interrupt.h>

#include "modules.h"

#include "lib/serial.h"

#include "lib/serparser.h"

#include "lib/led.h"

#include "lib/inputOutput.h"

#include "lib/i2c.h"

#include "lib/spi.h"

#include "lib/geiger.h"

#include "lib/sensors.h"

#include "lib/cameras.h"

#include "lib/loopTimer.h"

#include "lib/masterComm.h"

void micro_setup()

{

	// Generic microcontroller config options

	sei();	// Enable interrupts

}

int main(void)

{

	// 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

	// Initialize		

	micro_setup();			// Generic microcontroller config options

	time_setup();			// Setup loop timer and interrupts (TIMER0)

	led_configure();		// Configure ports and registers for LED operation

	io_configure();			// Configure IO ports and registers

	i2c_init();				// Setup I2C

	serial0_setup();		// Config serial port

	io_readModuleId();

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

	// Serial output //DEBUG

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

	serial0_sendString("Starting Slave\r\n");	//DEBUG

    while(1)

    {	

		// Master communication

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

		// Main slave operations

		if ((time_millis() % SENSOR_LOOP) == 0)	// 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

			_delay_ms(1);		// Delay to prevent the sensor loop from running again before time_millis changes

			led_off(0);

			led_off(2);

		}

    }

	return 0;

}

		/********Examples of data reading and getting******************

		x = geiger_getCpm();				//Data get

		x = sensors_getSpiTemp();			//Data get

		x = sensors_getBoardTemp();			//Data get

		sensors_readSpiTemp();				//Data Read

		sensors_readBoardTemp();			//Data Read

		led_output(0xFF);					//Output value to LED array

		i2c_write(RTC_ADDR, 0x05, 0x3A);	//i2c Write Example

		PORTA &= ~(1 << PA1);	//OFF

		PORTA |= (1 << PA1);	//ON

		PORTB ^= (1 << PB0);	//Toggle

		sprintf(buff, "log: %u,%u,%u,%u\r\n", temp,temp2,temp3,temp4);

		serial0_sendString(buff);

		**************************************************************/