/Modules/Sensors/ISL2902001A/SW/Arduino/i2c_light/i2c_light.pde
0,0 → 1,134
// I2C Light Sensor
 
#include <Wire.h>
 
#define address 0x44 // A0 = L
 
 
void setup()
{
Wire.begin(); // join i2c bus (address optional for master)
// I2C pins PD4, PD5
//
pinMode(3, OUTPUT); // LED pro blikani, aby bylo videt, ze to neco dela
pinMode(5, OUTPUT); // LED pro blikani, aby bylo videt, ze to neco dela
Serial.begin(9600); // Zmerena intenzita osvetleni se bude vypisovat na seriovou linku
}
 
int data = 0;
 
void loop()
{
int lux=0;
 
/* Serial.print("lux=");
 
// Setup device
digitalWrite(5, HIGH);
 
Wire.beginTransmission(address);
Wire.send(0x00); // sends address
Wire.send(0b11000000); // setup (eye light sensing; one time measurement; measurement range 1)
Wire.endTransmission(); // stop transmitting
 
// Delay for measurement
 
digitalWrite(5, LOW); // set the LED off
delay(500);
digitalWrite(5, HIGH); // set the LED on
delay(500);
 
// Connect to device and set register address
Wire.beginTransmission(address);
Wire.send(0x00); // sends address
Wire.endTransmission(); // stop transmitting
// Connect to device and request one byte
Wire.beginTransmission(address);
Wire.requestFrom(address, 1);
data = Wire.receive();
Wire.endTransmission(); // stop transmitting
// Serial.print(data, HEX);
 
// Serial.print(" LSB=");
// Connect to device and set register address
Wire.beginTransmission(address);
Wire.send(0x01); // sends address
Wire.endTransmission(); // stop transmitting
// Connect to device and request one byte
Wire.beginTransmission(address);
Wire.requestFrom(address, 1);
data = Wire.receive();
Wire.endTransmission(); // stop transmitting
// Serial.print(data, HEX);
lux=data;
 
// Serial.print(" MSB=");
// Connect to device and set register address
Wire.beginTransmission(address);
Wire.send(0x02); // sends address
Wire.endTransmission(); // stop transmitting
// Connect to device and request one byte
Wire.beginTransmission(address);
Wire.requestFrom(address, 1);
data = Wire.receive();
Wire.endTransmission(); // stop transmitting
// Serial.print(data, HEX);
lux+=data*256;
*/
 
Serial.print((unsigned)lux, DEC);
Serial.print(" luxIR=");
// Setup device
Wire.beginTransmission(address);
Wire.send(0x00); // sends address
Wire.send(0b11100000); // setup (eye light sensing; measurement range 2 [4000 lx])
Wire.endTransmission(); // stop transmitting
// Delay for measurement
digitalWrite(3, HIGH); // set the LED on
delay(500);
digitalWrite(3, LOW); // set the LED off
delay(500);
// Connect to device and set register address
Wire.beginTransmission(address);
Wire.send(0x00); // sends address
Wire.endTransmission(); // stop transmitting
// Connect to device and request one byte
Wire.beginTransmission(address);
Wire.requestFrom(address, 1);
data = Wire.receive();
Wire.endTransmission(); // stop transmitting
// Serial.print(data, HEX);
// Serial.print(" LSB=");
// Connect to device and set register address
Wire.beginTransmission(address);
Wire.send(0x01); // sends address
Wire.endTransmission(); // stop transmitting
// Connect to device and request one byte
Wire.beginTransmission(address);
Wire.requestFrom(address, 1);
data = Wire.receive();
Wire.endTransmission(); // stop transmitting
// Serial.print(data, HEX);
lux=data;
// Serial.print(" MSB=");
// Connect to device and set register address
Wire.beginTransmission(address);
Wire.send(0x02); // sends address
Wire.endTransmission(); // stop transmitting
// Connect to device and request one byte
Wire.beginTransmission(address);
Wire.requestFrom(address, 1);
data = Wire.receive();
Wire.endTransmission(); // stop transmitting
// Serial.print(data, HEX);
lux+=data*256;
Serial.println((unsigned)lux, DEC);
}