Changeset - 7021dff6a9f0
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kripperger@CL-SEC241-09.cedarville.edu - 12 years ago 2013-04-29 17:17:13
kripperger@CL-SEC241-09.cedarville.edu
Added generic voltage reading function
7 files changed with 39 insertions and 6 deletions:
slave/slave/config.h
1
1
slave/slave/lib/geiger.c
2
slave/slave/lib/inputOutput.c
1
slave/slave/lib/masterComm.c
4
4
slave/slave/lib/sensors.c
28
1
slave/slave/lib/sensors.h
2
slave/slave/modules.c
1
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slave/slave/config.h
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@@ -18,13 +18,13 @@
 
// 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
 
// Number of datatypes to transmit per module type. This should match what is being sent in masterComm.c
 
#define DATATYPES_GENERIC 3
 
#define DATATYPES_SENSOR 8
 
#define DATATYPES_GEIGER 4
 
#define DATATYPES_CAMERA 3
 
 
//Sensors and IO
slave/slave/lib/geiger.c
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@@ -10,12 +10,14 @@
 
#include <avr/io.h>
 
#include <avr/interrupt.h>
 
#include "../config.h"
 
#include <util/delay.h>
 
#include "geiger.h"
 
#include "loopTimer.h"
 
#include "led.h"
 
#include "inputOutput.h"
 
 
volatile uint8_t seconds;		// Counts Seconds from Timer2 interrupt
 
volatile uint16_t counts;		// Counts the pulses
 
volatile uint16_t CPM;			// Counts per Minuite
 
volatile uint32_t countStart = 0;
 
volatile uint8_t CPS[60];		// Counts per Second
slave/slave/lib/inputOutput.c
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@@ -7,12 +7,13 @@
 
 
#include <avr/io.h>
 
#include "../config.h"
 
#include "inputOutput.h"
 
#include "led.h"
 
#include "sensors.h"
 
#include "i2c.h"
 
 
int8_t	moduleID;	// Slave Module ID from rotary dip switch (or EEPROM)
 
 
 void io_configure()
 
 {
 
	// Configure ports/pins
slave/slave/lib/masterComm.c
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@@ -64,22 +64,22 @@ void masterComm_types()
 
			dataTypes = DATATYPES_GENERIC;
 
			break;
 
	}
 
}
 
 
 
void masterComm_packetSend_unsigned(uint8_t id, uint32_t data)
 
void masterComm_packetSend_unsigned(uint8_t id, uint32_t data)	//Sends the data type and data to master for unsigned data
 
{
 
	serial0_sendChar('[');
 
	snprintf(buff2,64,"%u%lu",id,data);
 
	serial0_sendString(buff2);
 
	serial0_sendChar(']');
 
	serial0_sendChar(masterComm_checksum(buff2));
 
}
 
 
void masterComm_packetSend_signed(uint8_t id, int32_t data)
 
void masterComm_packetSend_signed(uint8_t id, int32_t data)	//Sends the data type and data to master for signed data
 
{
 
	serial0_sendChar('[');
 
	snprintf(buff2,64,"%u%ld",id,data);
 
	serial0_sendString(buff2);
 
	serial0_sendChar(']');
 
	serial0_sendChar(masterComm_checksum(buff2));
 
@@ -101,13 +101,13 @@ void masterComm_modules()
 
 
	// Send module specific sensor readings
 
	switch(io_getModuleId())
 
	{
 
		case 0:
 
			// Generic
 
 
 
			break;
 
 
		case 1:
 
			// Sensors
 
 
			// Send SPI Temperature (Air)
 
@@ -149,13 +149,13 @@ void masterComm_modules()
 
void masterComm_send()
 
{
 
	masterComm_types();		// Calculates how many data types to send
 
 
	// Return request with number of data types to be sent
 
	serial0_sendChar('[');						// Send opening bracket
 
	snprintf(buff2,64,"@%u",dataTypes);				// Send package (@ reply and number of data types)
 
	snprintf(buff2,64,"@%u",dataTypes);			// Send package (@ reply and number of data types)
 
	serial0_sendString(buff2);
 
	serial0_sendChar(']');						// Send closing bracket
 
	serial0_sendChar(masterComm_checksum(buff2));	// Calculate and send checksum
 
 
	masterComm_modules();	// Send sensor data
 
}
slave/slave/lib/sensors.c
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@@ -27,12 +27,15 @@ uint8_t exponent;	// Exponent for Lux
 
uint8_t mantissa;	// Mantissa for Lux
 
uint32_t lux;		// Calculated Lux value
 
uint8_t battL;		// Low byte of ADC
 
uint16_t batt;		// Read battery voltage from ADC
 
uint16_t vBatt;		// battery voltage
 
 
int8_t analogL;		// Low byte of ADC
 
int16_t analog;		// Read analog voltage from ADC
 
 
int16_t ac1;		// The following 11 variables are the calibration values for the BMP085
 
int16_t ac2;
 
int16_t ac3;
 
uint16_t ac4;
 
uint16_t ac5;
 
uint16_t ac6;
 
@@ -217,21 +220,40 @@ void sensors_readLux()
 
 
	lux = (float)(pow(2,exponent) * mantissa) * 0.045;
 
}
 
 
void sensors_readBatt()
 
{
 
	ADMUX |= (1 << MUX2) | (1 << MUX1) | (1 << MUX0);		// Select ADC7 as the conversion channel
 
	battL = ADCL;					// Read low battery byte from ADC (all 8 bits)
 
	batt = ADCH;					// Read high battery byte from ADC (only two LSBs)
 
	batt = batt << 8;
 
	batt |= battL;
 
	vBatt = (batt * 10.0) / 67.4;
 
}
 
 
 
 
void sensors_readAnalog(uint8_t pin)
 
{
 
	// Reads analog input on PORTA on the pin (0-7) specified.
 
 
	DDRA &= ~(1 << pin);		// Set pin to input
 
 
	ADMUX &= 0xF8;
 
	ADMUX |= pin;
 
 
	analogL = ADCL;				// Read low battery byte from ADC (all 8 bits)
 
	analog = ADCH;				// Read high battery byte from ADC (only two LSBs)
 
 
	analogL = ADCL;				// Second Read low battery byte from ADC (all 8 bits)
 
	analog = ADCH;				// Second Read high battery byte from ADC (only two LSBs)
 
 
	analog = analog << 8;
 
	analog |= analogL;
 
	analog = (analog * 10.0) / 67.4;
 
}
 
 
 
 
 
 
int16_t sensors_getSpiTemp(void)	// Gets spi temperature from variable
 
@@ -261,10 +283,15 @@ uint32_t sensors_getLux(void)		// Gets l
 
 
uint16_t sensors_getBatt(void)		// Gets battery voltage from variable
 
{
 
	return vBatt;
 
}
 
 
int16_t sensors_getAnalog(void)		// Gets battery voltage from variable
 
{
 
	return analog;
 
}
 
 
uint32_t sensors_getAltitude(void)
 
{
 
	return altitude;
 
}
 
\ No newline at end of file
slave/slave/lib/sensors.h
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@@ -14,16 +14,18 @@ void sensors_setupPressure(void);	// Rea
 
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
 
void sensors_readBatt(void);		// Reads battery voltage from ADC
 
void sensors_readAnalog(uint8_t pin);	// Reads generic analog voltage from ADC
 
 
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
 
int16_t sensors_getAnalog(void);		// Gets battery voltage from variable
 
uint32_t sensors_getAltitude(void);	// Gets altitude from variable
 
 
#endif /* SENSORS_H_ */
 
\ No newline at end of file
slave/slave/modules.c
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@@ -143,12 +143,13 @@
 
 
 void modules_geiger()
 
 {
 
	// No data gatering function needed for geiger daughter board
 
		// This is taken care of in interrupt (See geiger.c)
 
 
 
	//lastRefresh = time_millis();
 
	//if ((time_millis() - lastRefresh) > 1000000)
 
	//{
 
	//	geiger_refresh();	//Refreshes every 1000sec (16min)
 
	//}
 
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