41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
#include "config.h"
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#include "wlan.h"
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#include <Arduino.h>
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#include <DHT.h>
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#define DHTTYPE DHT11
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#define DHTPIN 4
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DHT dht(DHTPIN, DHTTYPE);
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const int fc28_pin = A0;
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const char *config_file_path = "/config.json";
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Config *config;
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WiFiClient wifi_client;
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PubSubClient mqtt_client(wifi_client);
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bool check_valid_value(float value) {
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return (!isnan(value) && value >= 0 && value <= 100);
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}
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void setup() {
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Serial.begin(9600);
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dht.begin();
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config = (Config *)malloc(sizeof(Config));
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if (!load_config_file(config_file_path, config))
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Serial.println("ERROR: The config file could not be loaded");
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connect_wlan(config);
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}
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void loop() {
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float temperature = dht.readTemperature();
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float humidity = dht.readHumidity();
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int analog_val = analogRead(fc28_pin);
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int soil_percentage = map(analog_val, 0, 1023, 0, 100);
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float data[3] = {temperature, humidity, static_cast<float>(soil_percentage)};
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if (check_valid_value(temperature) && check_valid_value(humidity)) {
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mqtt_transfer(mqtt_client, config, data);
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}
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disconnect_mqtt(mqtt_client, config->topic);
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enter_deep_sleep(false, config->sleep_time);
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}
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