168 lines
4.3 KiB
C++
168 lines
4.3 KiB
C++
#include "LoRaWan_APP.h"
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#include <ArduinoRS485.h>
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#include <ArduinoModbus.h>
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#include "defines.h"
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#include "config.h"
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#include <string.h>
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// from config.cpp
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extern config_t myConfig;
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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 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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/*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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ModbusRTUClientClass* pModbusClient;
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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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Serial.println("modbus operation");
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appDataSize = 0;
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for (modbus_poll_t *slot = myConfig.modbus_poll_slots; slot->typ != 0; slot++) {
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Serial.printf("Slot: %d, %d, %d\r\n", slot->typ, slot->id, slot->address);
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switch (slot->typ) {
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case HOLDING_REGISTERS:
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{
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long v;
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if (appDataSize + sizeof(v) < LORAWAN_APP_DATA_MAX_SIZE) {
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v = pModbusClient->holdingRegisterRead(slot->id, slot->address);
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Serial.println(v);
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memcpy(appData + appDataSize, &v, sizeof(v));
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appDataSize += sizeof(v);
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} else {
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Serial.println("too much data for LoRaWAN packet");
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}
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}
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break;
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case INPUT_REGISTERS:
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{
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long v;
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if (appDataSize + sizeof(v) < LORAWAN_APP_DATA_MAX_SIZE) {
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v = pModbusClient->inputRegisterRead(slot->id, slot->address);
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Serial.println(v);
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memcpy(appData + appDataSize, &v, sizeof(v));
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appDataSize += sizeof(v);
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} else {
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Serial.println("too much data for LoRaWAN packet");
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}
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}
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break;
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default:
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Serial.println("unknown typ, doing nothing");
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break;
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}
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}
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}
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RTC_DATA_ATTR bool firstrun = true;
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void productionSetup() {
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Serial1.begin(9600, SERIAL_8N1, RX_PIN, TX_PIN);
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pRS485_1 = new RS485Class(Serial1, TX_PIN, RE_PIN, DE_PIN);
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pModbusClient = new ModbusRTUClientClass(*pRS485_1);
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pModbusClient->begin(9600, SERIAL_8N1);
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Mcu.begin();
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if(firstrun) {
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LoRaWAN.displayMcuInit();
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firstrun = false;
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}
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deviceState = DEVICE_STATE_INIT;
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}
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void productionLoop()
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{
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digitalWrite(LED_GREEN, HIGH);
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switch( deviceState )
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{
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case DEVICE_STATE_INIT:
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digitalWrite(LED_GREEN, LOW);
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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.displayJoining();
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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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digitalWrite(LED_BLUE, HIGH);
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{
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LoRaWAN.displaySending();
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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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digitalWrite(LED_BLUE, LOW);
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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.displayAck();
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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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}
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