168 lines
4.3 KiB
C++

#include "LoRaWan_APP.h"
#include <ArduinoRS485.h>
#include <ArduinoModbus.h>
#include "defines.h"
#include "config.h"
#include <string.h>
// from config.cpp
extern config_t myConfig;
/*LoraWan channelsmask, default channels 0-7*/
uint16_t userChannelsMask[6]={ 0x00FF,0x0000,0x0000,0x0000,0x0000,0x0000 };
/*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;
/*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;
ModbusRTUClientClass* pModbusClient;
/* Prepares the payload of the frame */
static void prepareTxFrame( uint8_t port )
{
Serial.println("modbus operation");
appDataSize = 0;
for (modbus_poll_t *slot = myConfig.modbus_poll_slots; slot->typ != 0; slot++) {
Serial.printf("Slot: %d, %d, %d\r\n", slot->typ, slot->id, slot->address);
switch (slot->typ) {
case HOLDING_REGISTERS:
{
long v;
if (appDataSize + sizeof(v) < LORAWAN_APP_DATA_MAX_SIZE) {
v = pModbusClient->holdingRegisterRead(slot->id, slot->address);
Serial.println(v);
memcpy(appData + appDataSize, &v, sizeof(v));
appDataSize += sizeof(v);
} else {
Serial.println("too much data for LoRaWAN packet");
}
}
break;
case INPUT_REGISTERS:
{
long v;
if (appDataSize + sizeof(v) < LORAWAN_APP_DATA_MAX_SIZE) {
v = pModbusClient->inputRegisterRead(slot->id, slot->address);
Serial.println(v);
memcpy(appData + appDataSize, &v, sizeof(v));
appDataSize += sizeof(v);
} else {
Serial.println("too much data for LoRaWAN packet");
}
}
break;
default:
Serial.println("unknown typ, doing nothing");
break;
}
}
}
RTC_DATA_ATTR bool firstrun = true;
void productionSetup() {
Serial1.begin(9600, SERIAL_8N1, RX_PIN, TX_PIN);
pRS485_1 = new RS485Class(Serial1, TX_PIN, RE_PIN, DE_PIN);
pModbusClient = new ModbusRTUClientClass(*pRS485_1);
pModbusClient->begin(9600, SERIAL_8N1);
Mcu.begin();
if(firstrun) {
LoRaWAN.displayMcuInit();
firstrun = false;
}
deviceState = DEVICE_STATE_INIT;
}
void productionLoop()
{
digitalWrite(LED_GREEN, HIGH);
switch( deviceState )
{
case DEVICE_STATE_INIT:
digitalWrite(LED_GREEN, LOW);
{
#if(LORAWAN_DEVEUI_AUTO)
LoRaWAN.generateDeveuiByChipID();
#endif
LoRaWAN.init(loraWanClass,loraWanRegion);
break;
}
case DEVICE_STATE_JOIN:
{
LoRaWAN.displayJoining();
LoRaWAN.join();
break;
}
case DEVICE_STATE_SEND:
digitalWrite(LED_BLUE, HIGH);
{
LoRaWAN.displaySending();
Serial.println("sending");
prepareTxFrame( appPort );
LoRaWAN.send();
deviceState = DEVICE_STATE_CYCLE;
break;
}
case DEVICE_STATE_CYCLE:
digitalWrite(LED_BLUE, LOW);
{
// 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.displayAck();
LoRaWAN.sleep(loraWanClass);
break;
}
default:
{
deviceState = DEVICE_STATE_INIT;
break;
}
}
}