72 lines
1.6 KiB
Arduino
72 lines
1.6 KiB
Arduino
/*
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Vera Arduino BH1750FVI Light sensor
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communicate using I2C Protocol
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this library enable 2 slave device addresses
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Main address 0x23
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secondary address 0x5C
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connect the sensor as follows :
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VCC >>> 5V
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Gnd >>> Gnd
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ADDR >>> NC or GND
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SCL >>> A5
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SDA >>> A4
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Contribution: idefix
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*/
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#include <Sleep_n0m1.h>
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#include <SPI.h>
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#include <RF24.h>
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#include <EEPROM.h>
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#include <Sensor.h>
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#include <BH1750.h>
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#include <Wire.h>
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// Set RADIO_ID to something unique in your sensor network (1-254)
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// or set to AUTO if you want gw to assign a RADIO_ID for you.
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#define RADIO_ID AUTO
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#define CHILD_ID_LIGHT 0
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#define LIGHT_SENSOR_ANALOG_PIN 0
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BH1750 lightSensor;
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unsigned long SLEEP_TIME = 30; // Sleep time between reads (in seconds)
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Sensor gw(9,10);
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int lastlux;
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Sleep sleep;
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void setup()
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{
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Serial.begin(BAUD_RATE); // Used to type in characters
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gw.begin(RADIO_ID);
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// Register all sensors to gateway (they will be created as child devices)
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gw.sendSensorPresentation(CHILD_ID_LIGHT, S_LIGHT_LEVEL);
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lightSensor.begin();
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}
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void loop()
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{
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gw.powerUp(); // Power up radio
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uint16_t lux = lightSensor.readLightLevel();// Get Lux value
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Serial.println(lux);
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if (lux != lastlux) {
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gw.sendVariable(CHILD_ID_LIGHT, V_LIGHT_LEVEL, lux);
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lastlux = lux;
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}
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// Power down the radio. Note that the radio will get powered back up
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// on the next write() call.
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delay(1000); //delay to allow serial to fully print before sleep
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gw.powerDown();
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sleep.pwrDownMode(); //set sleep mode
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sleep.sleepDelay(SLEEP_TIME * 1000); //sleep for: sleepTime
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}
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