| 20,7 → 20,6 |
|---|
| // I2C pins PC4 - , PC5 - |
| // |
| 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 |
| } |
| |
| 29,9 → 28,9 |
|---|
| |
| void led_blink() |
| { |
| digitalWrite(3, HIGH); // set the LED on |
| digitalWrite(3, HIGH); // set the LED off |
| delay(500); |
| digitalWrite(3, LOW); // set the LED off |
| digitalWrite(3, LOW); // set the LED on |
| delay(500); |
| } |
| |
| 44,30 → 43,30 |
|---|
| { |
| case SENSE_VIS: |
| { |
| command=0b11000000; // setup (eye light sensing; one time measurement; measurement range 1) |
| command=0b11000001; // setup (eye light sensing; measurement range 2) |
| break; |
| } |
| |
| case SENSE_IR: |
| { |
| command=0b11100000; // setup (eye light sensing; measurement range 2 [4000 lx]) |
| command=0b11100001; // setup (eye light sensing; measurement range 2 [4000 lx]) |
| break; |
| } |
| |
| default: |
| return 3; |
| return 3; |
| } |
| |
| // Setup device |
| Wire.beginTransmission(address); |
| Wire.write(0x00); // sends address |
| Wire.write(command); // setup (eye light sensing; one time measurement; measurement range 1) |
| Wire.write(byte(0x00)); // sends address |
| Wire.write(byte(command)); // setup (eye light sensing; one time measurement; measurement range 1) |
| Wire.endTransmission(); // stop transmitting |
| |
| |
| // Connect to device and set register address |
| Wire.beginTransmission(address); |
| Wire.write(0x00); // sends address (command register) |
| Wire.write(byte(0x00)); // sends address (command register) |
| Wire.endTransmission(); // stop transmitting |
| |
| // verify written command byte |
| 84,11 → 83,11 |
|---|
| |
| float get_light_measurement() |
| { |
| int ret=0; |
| unsigned int ret=0; |
| |
| // Connect to device and set register address |
| Wire.beginTransmission(address); |
| Wire.write(0x01); // sends address of LSB reagister |
| Wire.write(byte(0x01)); // sends address of LSB reagister |
| Wire.endTransmission(); // stop transmitting |
| |
| // Connect to device and request one byte |
| 99,7 → 98,7 |
|---|
| |
| // Connect to device and set register address |
| Wire.beginTransmission(address); |
| Wire.write(0x02); // sends address of MSB register |
| Wire.write(byte(0x02)); // sends address of MSB register |
| Wire.endTransmission(); // stop transmitting |
| |
| // Connect to device and request one byte |
| 108,7 → 107,7 |
|---|
| ret +=256 * Wire.read(); |
| Wire.endTransmission(); // stop transmitting |
| |
| return (1000.0/pow(2.0,16)*ret); |
| return (4000.0/pow(2.0,16)*ret); |
| } |
| |
| void loop() |
| 117,12 → 116,13 |
|---|
| |
| set_light_sensor(SENSE_VIS); //setup sensor for visible measuring |
| led_blink(); // Delay for measurement |
| Serial.print("lux="); |
| Serial.println(get_light_measurement(),2); |
| Serial.print("luxVIS\t"); |
| Serial.print(get_light_measurement(),1); |
| Serial.print("\t"); |
| |
| set_light_sensor(SENSE_IR); // setup sensor for infrared measuring |
| led_blink(); // Delay for measurement |
| Serial.print("luxIR="); |
| Serial.println(get_light_measurement(), 2); // data print |
| Serial.print("luxIR\t"); |
| Serial.println(get_light_measurement(),1); // data print |
| } |
| |