add examples

examples/rodaiSensorBlynk.ino

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+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+// #define BLYNK_DEBUG        // Optional, this enables more detailed prints
+
+/*Comment #include "config.h"*/
+#include "config.h"
+
+/*Change your parameter*/
+#define BLYNK_TEMPLATE_ID BLYNK_TEMPLATE_ID_OWNER
+#define BLYNK_DEVICE_NAME BLYNK_DEVICE_NAME_OWNER
+#define BLYNK_AUTH_TOKEN BLYNK_AUTH_TOKEN_OWNER
+
+#include <WiFi.h>
+#include <WiFiClient.h>
+#include <BlynkSimpleEsp32.h>
+
+#include "RodaiSensor.h"
+
+#include "esp_log.h"
+
+#define SOIL_SENSOR_1 V5
+#define SOIL_SENSOR_2 V6
+#define SOIL_SENSOR_3 V7
+#define SOIL_SENSOR_4 V8
+
+#define AMBIENT_TEMPERATURE_SENSOR V20
+#define AMBIENT_HUMIDITY_SENSOR V21
+#define LIGHT_SENSOR V25
+
+// You should get Auth Token in the Blynk App.
+// Go to the Project Settings (nut icon).
+char auth[] = BLYNK_AUTH_TOKEN;
+
+/*Change your parameter*/
+// Your WiFi credentials.
+// Set password to "" for open networks.
+char ssid[] = WIFI_SSID;
+char pass[] = WIFI_PASS;
+
+#define RS485_PORT UART_NUM_1
+#define RS485_TX GPIO_NUM_23
+#define RS485_RX GPIO_NUM_22
+#define RS485_DIR GPIO_NUM_4
+#define RS485_CTS UART_PIN_NO_CHANGE
+#define RS485_BAUDRATE 9600
+
+BlynkTimer timer;
+
+RodaiSensor rodaiSensor = RodaiSensor(RS485_PORT, RS485_TX, RS485_RX, RS485_DIR, RS485_CTS, RS485_BAUDRATE);
+
+// This function sends Arduino's up time every second to Virtual Pin (5).
+// In the app, Widget's reading frequency should be set to PUSH. This means
+// that you define how often to send data to Blynk App.
+void myTimerEvent()
+{
+
+    // You can send any value at any time.
+    // Please don't send more that 10 values per second.
+
+    int soil1 = rodaiSensor.getRodaiSoilWaterContentValue(16);
+    ESP_LOGI("MAIN", "soil1= %f", (float)soil1 / 1000.0f);
+    Blynk.virtualWrite(SOIL_SENSOR_1, (float)soil1 / 1000.0f);
+
+    int soil2 = rodaiSensor.getRodaiSoilWaterContentValue(17);
+    ESP_LOGI("MAIN", "soil2= %f", (float)soil2 / 1000.0f);
+    Blynk.virtualWrite(SOIL_SENSOR_2, (float)soil2 / 1000.0f);
+
+    int soil3 = rodaiSensor.getRodaiSoilWaterContentValue(18);
+    ESP_LOGI("MAIN", "soil3= %f", (float)soil3 / 1000.0f);
+    Blynk.virtualWrite(SOIL_SENSOR_3, (float)soil3 / 1000.0f);
+
+    int soil4 = rodaiSensor.getRodaiSoilWaterContentValue(19);
+    ESP_LOGI("MAIN", "soil4= %f", (float)soil4 / 1000.0f);
+    Blynk.virtualWrite(SOIL_SENSOR_4, (float)soil4 / 1000.0f);
+
+    Blynk.virtualWrite(AMBIENT_TEMPERATURE_SENSOR, 35.64f);
+    Blynk.virtualWrite(AMBIENT_HUMIDITY_SENSOR, 75.62f);
+    Blynk.virtualWrite(LIGHT_SENSOR, 4324);
+}
+
+void setup()
+{
+    // Debug console
+    Serial.begin(115200);
+
+    Blynk.begin(auth, ssid, pass);
+
+    // Setup a function to be called every second
+    timer.setInterval(5000L, myTimerEvent);
+}
+
+void loop()
+{
+    Blynk.run();
+    timer.run(); // Initiates BlynkTimer
+}