153 lines
4.4 KiB
C++
153 lines
4.4 KiB
C++
/* Heltec Automation LoRaWAN communication example
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*
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* Function:
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* 1. Upload node data to the server using the standard LoRaWAN protocol.
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*
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* Description:
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* 1. Communicate using LoRaWAN protocol.
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*
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* HelTec AutoMation, Chengdu, China
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* 成都惠利特自动化科技有限公司
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* www.heltec.org
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*
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* */
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#include "LoRaWan_APP.h"
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/* OTAA para*/
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uint8_t devEui[] = {0x70, 0xB3, 0xD5, 0x7E, 0xD0, 0x06, 0x53, 0xC8};
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uint8_t appEui[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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uint8_t appKey[] = {0x74, 0xD6, 0x6E, 0x63, 0x45, 0x82, 0x48, 0x27, 0xFE, 0xC5, 0xB7, 0x70, 0xBA, 0x2B, 0x50, 0x45};
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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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/* 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 = 32;
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// appData[0] = 0x00;
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// appData[1] = 0x01;
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// appData[2] = 0x02;
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// appData[3] = 0x03;
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uint8_t mockData[32] = {0x68, 0X65, 0X6C, 0X6C, 0X6F, 0X20, 0X77, 0X6F, 0X72, 0X6C, 0X64, 0X21};
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memcpy(appData, mockData, appDataSize);
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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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{
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Serial.begin(115200);
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while (!Serial)
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;
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Mcu.begin(HELTEC_BOARD, SLOW_CLK_TPYE);
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Serial.println("HELTEC CT-R2 ready");
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}
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void loop()
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{
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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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Serial.println("Device INIT");
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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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// both set join DR and DR when ADR off
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LoRaWAN.setDefaultDR(3);
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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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Serial.println("Join Network");
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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("Send Data");
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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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Serial.println("Schedule packet transmission");
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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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// Serial.println("Device Sleep");
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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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} |