/Modules/Sensors/ISL2902001A/SW/Arduino/i2c_light/i2c_light.pde
1,6 → 1,7
// I2C Light Sensor
 
#include <Wire.h>
#include <math.h>
 
#define address 0x44 // A0 = L
#define SENSE_VIS 0
18,6 → 19,7
}
 
int data = 0;
int light_sensor_setup;
 
void led_blink()
{
71,12 → 73,12
Serial.print(data, BIN);
}
Wire.endTransmission(); // stop transmitting
 
light_sensor_setup=command;
}
 
int get_light_measurement()
float get_light_measurement()
{
int lux=0;
int ret=0;
 
// Connect to device and set register address
Wire.beginTransmission(address);
86,9 → 88,8
// Connect to device and request one byte
Wire.beginTransmission(address);
Wire.requestFrom(address, 1);
data = Wire.receive();
ret = Wire.receive();
Wire.endTransmission(); // stop transmitting
lux=data;
// Connect to device and set register address
Wire.beginTransmission(address);
98,11 → 99,10
// Connect to device and request one byte
Wire.beginTransmission(address);
Wire.requestFrom(address, 1);
data = Wire.receive();
ret +=256 * Wire.receive();
Wire.endTransmission(); // stop transmitting
 
lux+=data*256;
return lux;
return (1000.0/pow(2.0,16)*ret);
}
 
void loop()
112,11 → 112,11
set_light_sensor(SENSE_VIS); //setup sensor for visible measuring
led_blink(); // Delay for measurement
Serial.print("lux=");
Serial.println((unsigned)get_light_measurement(), DEC);
Serial.println(get_light_measurement(),2);
 
set_light_sensor(SENSE_IR); // setup sensor for infrared measuring
led_blink(); // Delay for measurement
Serial.print("luxIR=");
Serial.println((unsigned)get_light_measurement(), DEC); // data print
Serial.println(get_light_measurement(), 2); // data print
}