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This commit is contained in:
Timo Volkmann 2020-07-30 15:03:14 +02:00
parent 3fdbe940b8
commit 29d22e9c98
3 changed files with 5 additions and 4 deletions
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2
platformio.ini
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@ -18,9 +18,7 @@ monitor_speed = 115200
lib_deps = lib_deps =
439 #ID of Lightsensor library BH1750 439 #ID of Lightsensor library BH1750
19 #DHT sensor library 19 #DHT sensor library
; 31 #Adafruit Unified Sensor
AutoConnect@^1.1.7 AutoConnect@^1.1.7
AsyncMqttClient@^0.8.2
ArduinoJson@^6.15.2 ArduinoJson@^6.15.2
PubSubClient@^2.8 PubSubClient@^2.8
ArduinoNvs@^2.5 ArduinoNvs@^2.5

5
src/capacitiveSoilMoistureSensor.cpp
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@ -5,19 +5,22 @@
const int numReadings = 20; const int numReadings = 20;
// reads soil moisture multiple times and calculates average to eliminate noise
int readCapacitiveSoilMoistureSensor() { int readCapacitiveSoilMoistureSensor() {
int total = 0; // the running total int total = 0; // the running total
// read from the sensor: // read from the sensor
for (int readIndex = 0; readIndex < numReadings; readIndex++) { for (int readIndex = 0; readIndex < numReadings; readIndex++) {
total = total + analogRead(PIN_MS); total = total + analogRead(PIN_MS);
delay(2); delay(2);
} }
int measurement = total / numReadings; int measurement = total / numReadings;
// map measurement to relative soil moisture value in %
int finalRes = map(measurement, VALUE_AIR, VALUE_WATER, 0, 100); int finalRes = map(measurement, VALUE_AIR, VALUE_WATER, 0, 100);
Serial.print("current soil moisture: "); Serial.print("current soil moisture: ");
Serial.println(finalRes); Serial.println(finalRes);
// clamp mesurement to a value between 0 and 100
if (finalRes < 0) { if (finalRes < 0) {
return 0; return 0;
} else if (finalRes > 100) { } else if (finalRes > 100) {

2
src/connections.cpp
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@ -120,7 +120,7 @@ void onMqttMessage(char *topic, byte *payload, unsigned int payload_length) {
Serial.println(); Serial.println();
if (strcmp(topic, MQTT_LIGHT_PROPERTIES) == 0) { if (strcmp(topic, MQTT_LIGHT_PROPERTIES) == 0) {
Serial.println("receiving light treshold..."); Serial.println("receiving light threshold...");
Serial.println(topic); Serial.println(topic);
StaticJsonDocument<1024> doc; StaticJsonDocument<1024> doc;
DeserializationError err = deserializeJson(doc, payload); DeserializationError err = deserializeJson(doc, payload);