3,6 → 3,8 |
#include <Wire.h> |
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#define address 0x44 // A0 = L |
#define SENSE_VIS 0 |
#define SENSE_IR 1 |
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void setup() |
26,14 → 28,33 |
} |
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int set_light_sensor() |
int set_light_sensor(int mode) |
{ |
// 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 |
int command; |
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switch (mode) |
{ |
case SENSE_VIS: |
{ |
command=0b11000000; // setup (eye light sensing; one time measurement; measurement range 1) |
break; |
} |
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case SENSE_IR: |
{ |
command=0b11100000; // setup (eye light sensing; measurement range 2 [4000 lx]) |
break; |
} |
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default: |
return 3; |
} |
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// Setup device |
Wire.beginTransmission(address); |
Wire.send(0x00); // sends address |
Wire.send(command); // setup (eye light sensing; one time measurement; measurement range 1) |
Wire.endTransmission(); // stop transmitting |
} |
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int get_light_measurement() |
71,80 → 92,34 |
{ |
int lux=0; |
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/* Serial.print("lux="); |
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// Setup device |
digitalWrite(5, HIGH); |
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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 |
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set_light_sensor(SENSE_VIS); |
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// Delay for measurement |
led_blink(); |
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digitalWrite(5, LOW); // set the LED off |
delay(500); |
digitalWrite(5, HIGH); // set the LED on |
delay(500); |
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// Connect to device and set register address |
Wire.beginTransmission(address); |
Wire.send(0x00); // sends address |
Wire.send(0x00); // sends address (command register) |
Wire.endTransmission(); // stop transmitting |
// Connect to device and request one byte |
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// Connect to device and request command register settings |
Wire.beginTransmission(address); |
Wire.requestFrom(address, 1); |
data = Wire.receive(); |
Wire.endTransmission(); // stop transmitting |
// Serial.print(data, HEX); |
Serial.print(data, BIN); |
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// 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("lux="); |
Serial.println((unsigned)get_light_measurement(), DEC); |
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// 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; |
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Serial.print((unsigned)lux, DEC); |
*/ |
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set_light_sensor(); |
set_light_sensor(SENSE_IR); |
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// Delay for measurement |
led_blink(); |
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// 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 |
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// data print |
Serial.print(" luxIR="); |
Serial.print("luxIR="); |
Serial.println((unsigned)get_light_measurement(), DEC); |
} |
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