169 lines
4.6 KiB
C++
169 lines
4.6 KiB
C++
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#include "LoRaWan_APP.h"
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// #include <ArduinoRS485.h>
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#include <ArduinoModbus.h>
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/* OTAA para*/
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uint8_t devEui[] = { 0x22, 0x32, 0x33, 0x00, 0x00, 0x88, 0x88, 0x02 };
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uint8_t appEui[] = { 0xa0, 0x57, 0x81, 0x00, 0x01, 0x12, 0xaa, 0xf3 };
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uint8_t appKey[] = { 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88 };
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/* ABP para*/
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uint8_t nwkSKey[] = { 0x15, 0xb1, 0xd0, 0xef, 0xa4, 0x63, 0xdf, 0xbe, 0x3d, 0x11, 0x18, 0x1e, 0x1e, 0xc7, 0xda,0x85 };
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uint8_t appSKey[] = { 0xd7, 0x2c, 0x78, 0x75, 0x8c, 0xdc, 0xca, 0xbf, 0x55, 0xee, 0x4a, 0x77, 0x8d, 0x16, 0xef,0x67 };
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uint32_t devAddr = ( uint32_t )0x007e6ae1;
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/*LoraWan channelsmask, default channels 0-7*/
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uint16_t userChannelsMask[6]={ 0x00FF,0x0000,0x0000,0x0000,0x0000,0x0000 };
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/*LoraWan region, select in arduino IDE tools*/
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LoRaMacRegion_t loraWanRegion = ACTIVE_REGION;
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/*LoraWan Class, Class A and Class C are supported*/
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DeviceClass_t loraWanClass = CLASS_A;
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/*the application data transmission duty cycle. value in [ms].*/
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uint32_t appTxDutyCycle = 15000;
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/*OTAA or ABP*/
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bool overTheAirActivation = true;
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/*ADR enable*/
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bool loraWanAdr = true;
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/* Indicates if the node is sending confirmed or unconfirmed messages */
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bool isTxConfirmed = true;
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/* Application port */
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uint8_t appPort = 2;
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/*!
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* Number of trials to transmit the frame, if the LoRaMAC layer did not
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* receive an acknowledgment. The MAC performs a datarate adaptation,
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* according to the LoRaWAN Specification V1.0.2, chapter 18.4, according
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* to the following table:
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*
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* Transmission nb | Data Rate
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* ----------------|-----------
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* 1 (first) | DR
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* 2 | DR
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* 3 | max(DR-1,0)
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* 4 | max(DR-1,0)
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* 5 | max(DR-2,0)
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* 6 | max(DR-2,0)
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* 7 | max(DR-3,0)
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* 8 | max(DR-3,0)
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*
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* Note, that if NbTrials is set to 1 or 2, the MAC will not decrease
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* the datarate, in case the LoRaMAC layer did not receive an acknowledgment
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*/
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uint8_t confirmedNbTrials = 4;
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RS485Class* pRS485_1;
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/* Prepares the payload of the frame */
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static void prepareTxFrame( uint8_t port )
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{
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/*appData size is LORAWAN_APP_DATA_MAX_SIZE which is defined in "commissioning.h".
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*appDataSize max value is LORAWAN_APP_DATA_MAX_SIZE.
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*if enabled AT, don't modify LORAWAN_APP_DATA_MAX_SIZE, it may cause system hanging or failure.
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*if disabled AT, LORAWAN_APP_DATA_MAX_SIZE can be modified, the max value is reference to lorawan region and SF.
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*for example, if use REGION_CN470,
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*the max value for different DR can be found in MaxPayloadOfDatarateCN470 refer to DataratesCN470 and BandwidthsCN470 in "RegionCN470.h".
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*/
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appDataSize = 4;
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appData[0] = 0x10;
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appData[1] = 0x21;
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appData[2] = 0x32;
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appData[3] = 0x43;
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}
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//if true, next uplink will add MOTE_MAC_DEVICE_TIME_REQ
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void setup() {
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Serial.begin(115200);
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Serial1.begin(9600, SERIAL_8N1, 7, 6);
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pRS485_1 = new RS485Class(Serial1, 6, 5, 4);
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ModbusRTUClient.begin(*pRS485_1, 9600, SERIAL_8N1);
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Mcu.begin();
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deviceState = DEVICE_STATE_INIT;
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}
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void loop()
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{
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#if 1
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switch( deviceState )
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{
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case DEVICE_STATE_INIT:
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{
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#if(LORAWAN_DEVEUI_AUTO)
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LoRaWAN.generateDeveuiByChipID();
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#endif
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LoRaWAN.init(loraWanClass,loraWanRegion);
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break;
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}
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case DEVICE_STATE_JOIN:
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{
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LoRaWAN.join();
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break;
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}
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case DEVICE_STATE_SEND:
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{
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Serial.println("rs485 writing");
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pRS485_1->beginTransmission();
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pRS485_1->write(0xaa);
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pRS485_1->endTransmission();
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Serial.println("sending");
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prepareTxFrame( appPort );
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LoRaWAN.send();
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deviceState = DEVICE_STATE_CYCLE;
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break;
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}
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case DEVICE_STATE_CYCLE:
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{
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// Schedule next packet transmission
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txDutyCycleTime = appTxDutyCycle + randr( -APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND );
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LoRaWAN.cycle(txDutyCycleTime);
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deviceState = DEVICE_STATE_SLEEP;
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break;
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}
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case DEVICE_STATE_SLEEP:
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{
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LoRaWAN.sleep(loraWanClass);
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break;
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}
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default:
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{
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deviceState = DEVICE_STATE_INIT;
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break;
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}
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}
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#endif
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#if 0
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// for (slave) id 1: write the value of 0x01, to the coil at address 0x00
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if (!ModbusRTUClient.coilWrite(1, 0x00, 0x01)) {
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Serial.print("Failed to write coil! ");
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Serial.println(ModbusRTUClient.lastError());
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}
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// wait for 1 second
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delay(1000);
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// for (slave) id 1: write the value of 0x00, to the coil at address 0x00
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if (!ModbusRTUClient.coilWrite(1, 0x00, 0x00)) {
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Serial.print("Failed to write coil! ");
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Serial.println(ModbusRTUClient.lastError());
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}
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// wait for 1 second
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delay(1000);
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#endif
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}
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