initial

sketch/sketch.ino

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+
+#include "LoRaWan_APP.h"
+// #include <ArduinoRS485.h>
+#include <ArduinoModbus.h>
+
+
+
+/* OTAA para*/
+uint8_t devEui[] = { 0x22, 0x32, 0x33, 0x00, 0x00, 0x88, 0x88, 0x02 };
+uint8_t appEui[] = { 0xa0, 0x57, 0x81, 0x00, 0x01, 0x12, 0xaa, 0xf3 };
+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 = CLASS_A;
+
+/*the application data transmission duty cycle.  value in [ms].*/
+uint32_t appTxDutyCycle = 15000;
+
+/*OTAA or ABP*/
+bool overTheAirActivation = true;
+
+/*ADR enable*/
+bool loraWanAdr = true;
+
+/* Indicates if the node is sending confirmed or unconfirmed messages */
+bool isTxConfirmed = true;
+
+/* Application port */
+uint8_t appPort = 2;
+/*!
+* Number of trials to transmit the frame, if the LoRaMAC layer did not
+* receive an acknowledgment. The MAC performs a datarate adaptation,
+* according to the LoRaWAN Specification V1.0.2, chapter 18.4, according
+* to the following table:
+*
+* Transmission nb | Data Rate
+* ----------------|-----------
+* 1 (first)       | DR
+* 2               | DR
+* 3               | max(DR-1,0)
+* 4               | max(DR-1,0)
+* 5               | max(DR-2,0)
+* 6               | max(DR-2,0)
+* 7               | max(DR-3,0)
+* 8               | max(DR-3,0)
+*
+* Note, that if NbTrials is set to 1 or 2, the MAC will not decrease
+* the datarate, in case the LoRaMAC layer did not receive an acknowledgment
+*/
+uint8_t confirmedNbTrials = 4;
+
+RS485Class* pRS485_1; 
+
+/* Prepares the payload of the frame */
+static void prepareTxFrame( uint8_t port )
+{
+  /*appData size is LORAWAN_APP_DATA_MAX_SIZE which is defined in "commissioning.h".
+  *appDataSize max value is LORAWAN_APP_DATA_MAX_SIZE.
+  *if enabled AT, don't modify LORAWAN_APP_DATA_MAX_SIZE, it may cause system hanging or failure.
+  *if disabled AT, LORAWAN_APP_DATA_MAX_SIZE can be modified, the max value is reference to lorawan region and SF.
+  *for example, if use REGION_CN470, 
+  *the max value for different DR can be found in MaxPayloadOfDatarateCN470 refer to DataratesCN470 and BandwidthsCN470 in "RegionCN470.h".
+  */
+    appDataSize = 4;
+    appData[0] = 0x10;
+    appData[1] = 0x21;
+    appData[2] = 0x32;
+    appData[3] = 0x43;
+}
+
+//if true, next uplink will add MOTE_MAC_DEVICE_TIME_REQ 
+
+
+void setup() {
+  Serial.begin(115200);
+  Serial1.begin(9600, SERIAL_8N1, 7, 6);
+  pRS485_1 = new RS485Class(Serial1, 6, 5, 4);
+  ModbusRTUClient.begin(*pRS485_1, 9600, SERIAL_8N1);
+  
+  Mcu.begin();
+  deviceState = DEVICE_STATE_INIT;
+}
+
+void loop()
+{
+#if 1
+  
+  switch( deviceState )
+  {
+    case DEVICE_STATE_INIT:
+    {
+#if(LORAWAN_DEVEUI_AUTO)
+      LoRaWAN.generateDeveuiByChipID();
+#endif
+      LoRaWAN.init(loraWanClass,loraWanRegion);
+      break;
+    }
+    case DEVICE_STATE_JOIN:
+    {
+      LoRaWAN.join();
+      break;
+    }
+    case DEVICE_STATE_SEND:
+    {
+      Serial.println("rs485 writing");
+      pRS485_1->beginTransmission();
+      pRS485_1->write(0xaa);
+      pRS485_1->endTransmission();
+      
+      Serial.println("sending");
+      prepareTxFrame( appPort );
+      LoRaWAN.send();
+      deviceState = DEVICE_STATE_CYCLE;
+      break;
+    }
+    case DEVICE_STATE_CYCLE:
+    {
+      // Schedule next packet transmission
+      txDutyCycleTime = appTxDutyCycle + randr( -APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND );
+      LoRaWAN.cycle(txDutyCycleTime);
+      deviceState = DEVICE_STATE_SLEEP;
+      break;
+    }
+    case DEVICE_STATE_SLEEP:
+    {
+      LoRaWAN.sleep(loraWanClass);
+      break;
+    }
+    default:
+    {
+      deviceState = DEVICE_STATE_INIT;
+      break;
+    }
+  }
+#endif
+
+#if 0
+  // for (slave) id 1: write the value of 0x01, to the coil at address 0x00 
+  if (!ModbusRTUClient.coilWrite(1, 0x00, 0x01)) {
+    Serial.print("Failed to write coil! ");
+    Serial.println(ModbusRTUClient.lastError());
+  }
+
+  // wait for 1 second
+  delay(1000);
+
+  // for (slave) id 1: write the value of 0x00, to the coil at address 0x00 
+  if (!ModbusRTUClient.coilWrite(1, 0x00, 0x00)) {
+    Serial.print("Failed to write coil! ");
+    Serial.println(ModbusRTUClient.lastError());
+  }
+
+  // wait for 1 second
+  delay(1000);
+#endif
+}