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DHT-usage switchable, MQTT authentication optional, soil-sensor-parameter moved to config-file

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Julian Langhoff
2021-05-09 21:19:55 +02:00
parent 8bc1861024
commit 0ae0e76f68
5 changed files with 53 additions and 18 deletions
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7
esp-receiver/src/config.h.example
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@@ -7,5 +7,12 @@
const char *MQTT_BROKER = "192.168.178.74";
const char *MQTT_SENSOR_TOPIC = "living/sensor2";
const char *MQTT_CLIENT_ID = "living_mobile_sensor";
const char *MQTT_LAST_WILL_TOPIC = "living/sensor2/status";
const char *MQTT_LAST_WILL_MSG = "offline";
const char *MQTT_CLIENT_USER = "NULL"; // if NULL, no username or password is used
const char *MQTT_CLIENT_PW = "NULL"; // if NULL, no password is used
const int AirValue = 800; //replace the value with value when placed in air
const int WaterValue = 345; //replace the value with value when placed in water
#endif

18
esp-receiver/src/main.cpp
View File

@@ -36,9 +36,8 @@ uint8_t rh_buf[RH_BUF_LEN];
* */
#include "config.h"
const int AirValue = 800; //replace the value with value when placed in air
const int WaterValue = 345; //replace the value with value when placed in water
// const int AirValue = 800; //replace the value with value when placed in air
// const int WaterValue = 345; //replace the value with value when placed in water
volatile boolean new_value = false;
@@ -55,6 +54,7 @@ RH_ASK driver(RH_SPEED, RH_RX_PIN);
#define MSG_BAT 0x20
#define MSG_TEMPHUM 0x30
#define MSG_ERR 0x40
#define MSG_HUM 0x50
char buff[20];
@@ -170,6 +170,14 @@ void loop()
Serial.println(SoilHumidity);
new_value = true;
break;
case MSG_HUM:
Serial.println("Soil Humidity");
memcpy(&soil, &rh_buf[1], 2);
Serial.println(soil);
SoilHumidity = (float)(map(soil, AirValue, WaterValue, 0, 100));
Serial.println(SoilHumidity);
new_value = true;
break;
case MSG_BAT:
// battery data
digitalWrite(LED_BUILTIN, LOW);
@@ -215,7 +223,9 @@ void reconnect()
{
Serial.println("INFO: Attempting MQTT connection...");
// Attempt to connect
if (mqttClient.connect(MQTT_CLIENT_ID))
// Should work without authentication, if credentials are NULL
if (mqttClient.connect(MQTT_CLIENT_ID, MQTT_CLIENT_USER, MQTT_CLIENT_PW))
{
Serial.println("INFO: connected");
}