void loop() {
unsigned long currentTime = Time.now();
//TODO: if targets -1, don't do any control
//Request time synchronization from the Particle Cloud every 24 hours
if (millis() - lastTimeSync > ONE_DAY_MILLIS) {
Particle.syncTime();
lastTimeSync = millis();
}
//Update time zone at DSTJumpHour incase DST is now in effect
if(Time.hour(currentTime) == DSTJumpHour && Time.minute(currentTime) == 0) {
Time.zone(isDST(Time.day(currentTime), Time.month(currentTime), Time.weekday(currentTime), preferences.DSTRule) ? preferences.timeZone + 1 : preferences.timeZone);
}
//Record data from sensors every minute
if(millis() - lastDataSync > dataSyncFrequency) {
temperature = tempHumidSensor.readTemperature();
humidity = tempHumidSensor.readHumidity();
light = lightSensor.getFullLuminosity();
fullLight = light & 0xFFFF;
irLight = light >> 16;
visibleLight = fullLight - irLight;
lux = lightSensor.calculateLux(fullLight, irLight);
//TODO: soil moisture sensor
if(postToPhant() == 0) {
//Success
} else {
//failed
//TODO: Handle failure
}
}
void sensor_setup() {
bool status;
// BME280 pressure, humidity, temperature
status = bme.begin();
if (!status) {
Serial.println("Could not find a valid BME280 sensor, check wiring!");
while (1);
}
// TSL2591 Lux sensor
if (tsl.begin()) {
Serial.println(F("Found a TSL2591 sensor"));
/* Configure the sensor */
configureTLS2591();
} else {
Serial.println(F("No sensor found ... check your wiring?"));
while (1);
}
#ifdef pmsEnable
pinMode(pmsEnable,OUTPUT);
digitalWrite(pmsEnable,LOW);
#endif
// PMS5003 Particulate sensor
pmsSerial.begin(9600);
}
void setup() {
//Check for current EEPROM data
if(EEPROM.read(0) == 117) {
EEPROM.get(1, preferences);
} else {
preferences = {-8, 1000, -1, -1, -1, -1, -1.0, -1.0, -1.0, "US"};
EEPROM.put(1, preferences);
EEPROM.put(0, 117);
}
//Update settings according to EEPROM data
if(preferences.DSTRule == "US") {
DSTJumpHour = 2;
} else if(preferences.DSTRule == "EU") {
DSTJumpHour = 1 + preferences.timeZone;
} else {
DSTJumpHour = 0;
}
dataSyncFrequency = preferences.dataSyncFrequency;
lightCycleLength = preferences.lightCycleLength;
waterCycleLength = preferences.waterCycleLength;
targetTemperature = preferences.targetTemperature;
targetHumidity = preferences.targetHumidity;
targetSoilMoisture = preferences.targetSoilMoisture;
//Set the proper time zone according to DST status
Time.zone(isDST(Time.day(), Time.month(), Time.weekday(), preferences.DSTRule) ? preferences.timeZone + 1 : preferences.timeZone);
//Setup sensors
tempHumidSensor.begin();
lightSensor.begin();
lightSensor.setGain(TSL2591_GAIN_MED);
lightSensor.setTiming(TSL2591_INTEGRATIONTIME_100MS);
pinMode(pumpPWMPin, OUTPUT);
pinMode(pumpIn1Pin, OUTPUT);
pinMode(pumpIn2Pin, OUTPUT);
pinMode(growLEDPin, OUTPUT);
pinMode(socketPin, OUTPUT);
pinMode(fanPin, OUTPUT);
//TEST ONLY
lightCycleStartHour = Time.hour();
lightCycleStartMinute = Time.minute()+1;
lightCycleLength = 1 * 60 * 1000;
}
void configureTLS2591(void)
{
// You can change the gain on the fly, to adapt to brighter/dimmer light situations
//tsl.setGain(TSL2591_GAIN_LOW); // 1x gain (bright light)
tsl.setGain(TSL2591_GAIN_MED); // 25x gain
//tsl.setGain(TSL2591_GAIN_HIGH); // 428x gain
// Changing the integration time gives you a longer time over which to sense light
// longer timelines are slower, but are good in very low light situtations!
//tsl.setTiming(TSL2591_INTEGRATIONTIME_100MS); // shortest integration time (bright light)
// tsl.setTiming(TSL2591_INTEGRATIONTIME_200MS);
tsl.setTiming(TSL2591_INTEGRATIONTIME_300MS);
// tsl.setTiming(TSL2591_INTEGRATIONTIME_400MS);
// tsl.setTiming(TSL2591_INTEGRATIONTIME_500MS);
// tsl.setTiming(TSL2591_INTEGRATIONTIME_600MS); // longest integration time (dim light)
/* Display the gain and integration time for reference sake */
Serial.println(F("------------------------------------"));
Serial.print (F("Gain: "));
tsl2591Gain_t gain = tsl.getGain();
switch(gain)
{
case TSL2591_GAIN_LOW:
Serial.println(F("1x (Low)"));
break;
case TSL2591_GAIN_MED:
Serial.println(F("25x (Medium)"));
break;
case TSL2591_GAIN_HIGH:
Serial.println(F("428x (High)"));
break;
case TSL2591_GAIN_MAX:
Serial.println(F("9876x (Max)"));
break;
}
Serial.print (F("Timing: "));
Serial.print((tsl.getTiming() + 1) * 100, DEC);
Serial.println(F(" ms"));
Serial.println(F("------------------------------------"));
Serial.println(F(""));
}
void tsl2591_loop(void)
{
// More advanced data read example. Read 32 bits with top 16 bits IR, bottom 16 bits full spectrum
// That way you can do whatever math and comparisons you want!
float lux;
uint32_t lum = tsl.getFullLuminosity();
uint16_t ir, full;
ir = lum >> 16;
full = lum & 0xFFFF;
// the second argument should be IR, but there are some weird faults
// and that results in negative values often. So cheat and just provide
// a 0 there.
lux=tsl.calculateLux(full, 0);
if(false) {
Serial.print(F("[ ")); Serial.print(millis()); Serial.print(F(" ms ] "));
Serial.print(F("IR: ")); Serial.print(ir); Serial.print(F(" "));
Serial.print(F("Full: ")); Serial.print(full); Serial.print(F(" "));
Serial.print(F("Visible: ")); Serial.print(full - ir); Serial.print(F(" "));
Serial.print(F("Lux: ")); Serial.println(lux,6);
}
publish_value("lux",lux,2);
}
