test lora example

examples/SGP30_demo_lora/.arduino-ci.yml

@@ -0,0 +1,30 @@
+platforms:
+  rpipico:
+    board: rp2040:rp2040:rpipico
+    package: rp2040:rp2040
+    gcc:
+      features:
+      defines:
+        - ARDUINO_ARCH_RP2040
+      warnings:
+      flags:
+
+packages:
+  rp2040:rp2040:
+    url: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
+
+compile:
+  # Choosing to run compilation tests on 2 different Arduino platforms
+  platforms:
+    # - uno
+    # - due
+    # - zero
+    # - leonardo
+    # - m4
+    - esp32
+    # - esp8266
+    # - mega2560
+    # - rpipico
+  libraries:
+    - ArduinoJson
+    - LoRa

examples/SGP30_demo_lora/SGP30_demo_lora.ino

@@ -0,0 +1,107 @@
+
+//
+//    FILE: SGP30_demo_lora.ino
+//  AUTHOR: Rob Tillaart, Anthony Powell
+// PURPOSE: demo SGP30 to LORA
+//     URL: https://github.com/RobTillaart/SGP30
+
+
+#include <SPI.h>
+#include <LoRa.h>
+#include <SGP30.h>
+#include <ArduinoJson.h>
+#include <Wire.h>
+
+
+SGP30 sgp;
+
+// Create a unique ID for the data from each ESP32 running this code
+
+const char* jediID = "Envirodrone";
+
+uint32_t lastTime = 0;
+
+void setup()
+{
+  Serial.begin(9600);
+  Serial.println(F("LoRa Sender"));
+
+  if (!LoRa.begin(868E6))
+  {
+    Serial.println("Error: Starting LoRa failed! reboot system");
+    while (1);
+  }
+  Serial.println(F("Enviro Drone SGP30 Sensor Start"));
+  delay(1000);
+
+  //  Initialize I2C bus
+
+  Wire.begin();
+  Wire.setClock(400000);
+
+  //  Initialize sensor
+  while (! sgp.begin())
+  {
+    Serial.println(F("Error: Could not detect SGP30 sensor"));
+    delay(3000);
+  }
+}
+
+
+void loop()
+{
+  String postData;
+
+  //  send data once every 10 seconds
+  if (millis() - lastTime >= 10000)
+  {
+    uint32_t start = millis();
+    Serial.print("time: \t");
+    Serial.println(start);
+
+
+    Serial.print(millis() - start);
+    Serial.println("Read SGP30 sensor.");
+    sgp.measure(true);
+    float co2  = sgp.getCO2();
+    float tvoc = sgp.getTVOC();
+    float h2   = sgp.getH2();
+    float etha = sgp.getEthanol();
+    Serial.print(co2);
+    Serial.print("\t");
+    Serial.print(tvoc);
+    Serial.print("\t");
+    Serial.print(h2);
+    Serial.print("\t");
+    Serial.print(etha);
+    Serial.println();
+
+
+    Serial.print(millis() - start);
+    Serial.println("Create serialized JSON string.");
+    StaticJsonDocument <200> doc;
+    JsonObject data = doc.createNestedObject("data");
+    data["CO2"] = co2;
+    data["TVOC"] = tvoc;
+    data["H2"] = h2;
+    data["Ethanol"] = etha;
+    serializeJson(doc, postData);
+    Serial.println(postData);
+
+
+    Serial.print(millis() - start);
+    Serial.println("Send LORA packet.");
+    LoRa.beginPacket();
+    LoRa.print(postData);
+    LoRa.endPacket();
+
+
+    uint32_t stop = millis();
+    Serial.print(millis() - start);
+    Serial.print("Duration:\t");
+    Serial.println(stop - start);
+  }
+
+
+}
+//  -- END OF FILE --