add one example

Author: lotousnine

libraries/LoRa/examples/LoRaWAN/LoRaWan_Soilsensor_Waterpump/LoRaWan_Soilsensor_Waterpump.ino

@@ -0,0 +1,183 @@
+#include "LoRaWan_APP.h"
+#include "Arduino.h"
+
+/* OTAA para*/
+uint8_t devEui[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A };
+uint8_t appEui[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+uint8_t appKey[] = { 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88 };
+
+/* ABP para*/
+uint8_t nwkSKey[] = { 0x15, 0xb1, 0xd0, 0xef, 0xa4, 0x63, 0xdf, 0xbe, 0x3d, 0x11, 0x18, 0x1e, 0x1e, 0xc7, 0xda,0x85 };
+uint8_t appSKey[] = { 0xd7, 0x2c, 0x78, 0x75, 0x8c, 0xdc, 0xca, 0xbf, 0x55, 0xee, 0x4a, 0x77, 0x8d, 0x16, 0xef,0x67 };
+uint32_t devAddr =  ( uint32_t )0x007e6ae1;
+
+/*LoraWan channelsmask, default channels 0-7*/ 
+uint16_t userChannelsMask[6]={ 0x00FF,0x0000,0x0000,0x0000,0x0000,0x0000 };
+
+/*LoraWan region, select in arduino IDE tools*/
+LoRaMacRegion_t loraWanRegion = ACTIVE_REGION;
+
+/*LoraWan Class, Class A and Class C are supported*/
+DeviceClass_t  loraWanClass = LORAWAN_CLASS;
+
+/*the application data transmission duty cycle.  value in [ms].*/
+uint32_t appTxDutyCycle = 15000;
+
+/*OTAA or ABP*/
+bool overTheAirActivation = LORAWAN_NETMODE;
+
+/*ADR enable*/
+bool loraWanAdr = LORAWAN_ADR;
+
+/* set LORAWAN_Net_Reserve ON, the node could save the network info to flash, when node reset not need to join again */
+bool keepNet = LORAWAN_NET_RESERVE;
+
+/* Indicates if the node is sending confirmed or unconfirmed messages */
+bool isTxConfirmed = LORAWAN_UPLINKMODE;
+
+/* Application port */
+uint8_t appPort = 2;
+
+uint8_t confirmedNbTrials = 4;
+
+const int soilMoisturePin = 1;  
+
+/* Prepares the payload of the frame */
+static void prepareTxFrame( uint8_t port )
+{
+  int sensorValue = analogRead(soilMoisturePin);  
+  Serial.print("ADC Value: ");
+  Serial.println(sensorValue);
+  
+   appDataSize = 0; 
+   unsigned char*puc;
+   appData[appDataSize++] = 0x00; // parent ID
+   appData[appDataSize++] = 0x00; // parent ID
+   appData[appDataSize++] = 0x05; // sensor length
+   appData[appDataSize++] = 0x00; 
+
+   puc = (unsigned char *)(&sensorValue); 
+   appData[appDataSize++] = puc[3];
+   appData[appDataSize++] = puc[2];
+   appData[appDataSize++] = puc[1];
+   appData[appDataSize++] = puc[0];
+
+   Serial.print("Sending data: ");
+   for (int i = 0; i < appDataSize; i++) {
+     Serial.print(appData[i], HEX);
+     Serial.print(" ");
+        }
+    
+  if (sensorValue < 300) {
+    Serial.println("🌱 The soil is too dry, water it quickly！");
+  } 
+  else if (sensorValue >= 300 && sensorValue <= 700) {
+    Serial.println("🌼 The soil moisture is just right, no watering is needed");
+  } 
+  else {
+    Serial.println("🚫 The soil is too wet, be careful of rotting the roots");
+  }
+
+
+}
+
+bool waterPumpState = false;
+uint8_t command = 0;  // To store received command
+void downLinkDataHandle(McpsIndication_t *mcpsIndication) {
+  if (mcpsIndication->BufferSize > 0) {
+    // Print the received downlink data
+    Serial.print("+Received Buffer: ");
+    for (uint8_t i = 0; i < mcpsIndication->BufferSize; i++) {
+      Serial.printf("0x%02X ", mcpsIndication->Buffer[i]);
+    }
+    Serial.println();
+
+    // Extract the first byte as a command
+    uint8_t command = mcpsIndication->Buffer[0];
+    Serial.print("Received command: 0x");
+    Serial.println(command, HEX);
+
+    // Process according to commands
+    switch (command) {
+      case 0x01:
+        Serial.println("Command 0x01: Turn on the water pump...");
+        waterPumpState = true;
+        break;
+
+      case 0x02:
+        Serial.println("Command 0x02: Turn off the water pump");
+        waterPumpState = false;
+        break;
+
+      default:
+        Serial.println("Unknown command received.");  
+        break;
+    }
+  } else {
+    Serial.println("No data received.");
+  }
+}
+
+void setup() {
+	Serial.begin(115200);
+  pinMode(P0_1, OUTPUT);
+  digitalWrite(P0_1, LOW);
+}
+
+void loop()
+{
+	switch( deviceState )
+	{
+		case DEVICE_STATE_INIT:
+		{
+#if(LORAWAN_DEVEUI_AUTO)
+			LoRaWAN.generateDeveuiByChipID();
+#endif
+#if(AT_SUPPORT)
+			getDevParam();
+#endif
+			printDevParam();
+			LoRaWAN.init(loraWanClass,loraWanRegion);
+			deviceState = DEVICE_STATE_JOIN;
+			break;
+		}
+		case DEVICE_STATE_JOIN:
+		{
+			LoRaWAN.join();
+			break;
+		}
+		case DEVICE_STATE_SEND:
+		{
+			prepareTxFrame( appPort );
+      pinMode(P0_1, OUTPUT);
+      if(waterPumpState) {
+        digitalWrite(P0_1, HIGH);  // Turn on the water pump
+        Serial.println("Water pump is ON.");
+      } else {
+        digitalWrite(P0_1, LOW);   // Turn off the water pump
+        Serial.println("Water pump is OFF.");
+      }
+			LoRaWAN.send();
+			deviceState = DEVICE_STATE_CYCLE;
+			break;
+		}
+		case DEVICE_STATE_CYCLE:
+		{
+			// Schedule next packet transmission
+			txDutyCycleTime = appTxDutyCycle + randr( 0, APP_TX_DUTYCYCLE_RND );
+			LoRaWAN.cycle(txDutyCycleTime);
+			deviceState = DEVICE_STATE_SLEEP;
+			break;
+		}
+		case DEVICE_STATE_SLEEP:
+		{ 
+			LoRaWAN.sleep();
+			break;
+		}
+		default:
+		{
+			deviceState = DEVICE_STATE_INIT;
+			break;
+		}
+	}
+}