/Designs/Data_loggers/LuxmetrSD/SW/Arduino/luxmetr/luxmetr.pde
20,10 → 20,25
#define chipSelect 4
 
#define address 0x44 // A0 = L
#define SENSE_VIS 0
#define SENSE_IR 1
 
#define LIGHT_ENABLE 1
#define LIGHT_DISABLE 0
 
#define LIGHT_MEASUREMENT_ONETIME 0
#define LIGHT_MEASUREMENT_CONTINUOUS 1
 
#define LIGHT_SENSE_VIS 0
#define LIGHT_SENSE_IR 1
 
#define LIGHT_TIMING_INTERNAL_16 0b000
#define LIGHT_TIMING_INTERNAL_12 0b001
#define LIGHT_TIMING_INTERNAL_8 0b010
#define LIGHT_TIMING_INTERNAL_4 0b011
#define LIGHT_TIMING_EXTERNAL_ADC 0b100
#define LIGHT_TIMING_EXTERNAL_TIMER 0b101
 
#define LIGHT_AUTORANGE 0
 
#define LIGHT_RANGE1 1
#define LIGHT_RANGE2 2
#define LIGHT_RANGE3 3
75,19 → 90,21
delay(500);
}
 
int set_light_sensor(int mode)
int set_light_sensor(int en, int mode, int light, int res, int range)
{
int command;
int command=0;
 
commad= (en << 7 & 0b10000000);
switch (mode)
switch (light)
{
case SENSE_VIS:
case LIGHT_SENSE_VIS:
{
command=0b11000000; // setup (eye light sensing; one time measurement; measurement range 1)
break;
}
 
case SENSE_IR:
case LIGHT_SENSE_IR:
{
command=0b11100000; // setup (eye light sensing; measurement range 2 [4000 lx])
break;
114,11 → 131,12
Wire.requestFrom(address, 1);
if (command != Wire.receive())
{
Serial.println(data, BIN);
return 4;
Serial.print(data, BIN);
}
Wire.endTransmission(); // stop transmitting
light_sensor_setup=command;
return 0;
}
 
float get_light_measurement()
156,13 → 174,13
float luxIR=0;
float time;
 
set_light_sensor(SENSE_VIS); //setup sensor for visible measuring
set_light_sensor(LIGHT_SENSE_VIS); //setup sensor for visible measuring
led_blink(); // Delay for measurement
luxVIS=get_light_measurement();
 
time=millis()/1000.0;
set_light_sensor(SENSE_IR); // setup sensor for infrared measuring
set_light_sensor(LIGHT_SENSE_IR); // setup sensor for infrared measuring
led_blink(); // Delay for measurement
luxIR=get_light_measurement();