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hw+sw works, now comes the hard part

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This commit is contained in:
Vinzenz Schroeter 2025-04-22 12:44:53 +02:00
commit 06efe8bb02
1 changed files with 59 additions and 30 deletions
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55
drop.ino
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@ -17,40 +17,52 @@ void setup() {
pinMode(PUMP_LED_PIN, OUTPUT);
pinMode(PUMP_PIN, OUTPUT);
pinMode(LED_BUILTIN, OUTPUT);
pinMode(OK_LED_PIN, OUTPUT);
set_pump(false);
// link pots to their config
for (unsigned int i = 0; i < POT_COUNT; i++) {
Pot *pot = &pots[i];
pot->config = &POT_CONFIGS[i];
pot->last_watering = 0;
pinMode(pot->config->valve_pin, OUTPUT);
pinMode(pot->config->led_pin, OUTPUT);
set_valve(pot->config->valve_pin, false);
}
}
void loop() {
delay(LOOP_DELAY_MS);
Serial.println("");
Serial.println("LOOP");
digitalWrite(OK_LED_PIN, HIGH);
delay(100);
digitalWrite(OK_LED_PIN, LOW);
for (unsigned int i = 0; i < POT_COUNT; i++) {
Serial.print("Pot ");
Serial.println(i);
per_pot(pots[i]);
Serial.println("");
}
Serial.println("");
delay(LOOP_DELAY_MS);
}
void per_pot(Pot &pot) {
int percentage = get_humidity(pot.config->sensor);
Serial.print(percentage);
Serial.println(F("%"));
if (pot.last_watering + MIN_WATERING_INTERVAL_MS > millis()) {
Serial.println(F("watered recently -> not watering"));
return;
}
int percentage = get_humidity(pot.config->sensor);
if (percentage > MAX_HUMIDITY_PERCENT) {
Serial.println(F("too wet -> not watering"));
} else if (pot.last_watering + MIN_WATERING_INTERVAL_MS > millis()) {
Serial.println(F("watered recently -> not watering"));
} else if (percentage < MIN_HUMIDITY_PERCENT) {
Serial.println(F("too dry -> watering"));
water_pot(pot);
@ -87,25 +99,40 @@ int get_humidity(Sensor &sensor) {
int sensorVal {0};
for (unsigned int i = 0; i < MEASUREMENT_COUNT; i++) {
sensorVal += analogRead(sensor.pin);
Serial.print(F("Measurement "));
Serial.print(i);
Serial.print(F(" = "));
Serial.println(sensorVal);
delay(MEASUREMENT_DELAY);
}
sensorVal /= MEASUREMENT_COUNT;
Serial.print(F("Average: "));
Serial.println(sensorVal);
// Sensor has a range of e.g. 236 to 520
// We want to translate this to a scale or 0% to 100%
// More info: https://www.arduino.cc/reference/en/language/functions/math/map/
return map(sensorVal, sensor.calibration_wet, sensor.calibration_dry, 100, 0);
sensorVal = map(sensorVal, sensor.calibration_wet, sensor.calibration_dry, 100, 0);
Serial.print(F("Humidity: "));
Serial.print(sensorVal);
Serial.println(F("%"));
return sensorVal;
}
void set_pump(uint8_t state) {
digitalWrite(PUMP_LED_PIN, state);
digitalWrite(PUMP_PIN, state);
void set_pump(bool on) {
Serial.print("setting pump to state ");
Serial.println(on);
digitalWrite(PUMP_LED_PIN, on ? HIGH : LOW);
digitalWrite(PUMP_PIN, on ? LOW : HIGH);
delay(PUMP_DELAY_MS);
}
void set_valve(uint8_t valve, uint8_t state) {
digitalWrite(valve, state);
void set_valve(uint8_t valve, bool open) {
Serial.print("setting pump on pin ");
Serial.print(valve);
Serial.print(" to state ");
Serial.println(open);
digitalWrite(valve, open ? LOW : HIGH);
delay(VALVE_DELAY_MS);
}