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101 lines
2.1 KiB
Arduino
101 lines
2.1 KiB
Arduino
7 months ago
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#include <LoRa.h>
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#include <Wire.h>
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#include "boards.h"
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#include <PN532_I2C.h>
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#include <PN532.h>
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#include <NfcAdapter.h>
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PN532_I2C pn532_i2c(Wire);
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NfcAdapter nfc = NfcAdapter(pn532_i2c);
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String tagId = "None";
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String cleanString = "";
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void setup()
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{
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Serial.begin(9600);
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Serial.println("System initialized");
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nfc.begin();
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initLoRa();
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}
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void loop()
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{
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readNFC();
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if (!cleanString.isEmpty()) {
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sendLoRaData(cleanString);
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}
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}
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void initLoRa()
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{
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Serial.println("Initializing LoRa...");
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LoRa.setPins(RADIO_CS_PIN, RADIO_RST_PIN, RADIO_DI0_PIN);
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if (!LoRa.begin(LoRa_frequency))
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{
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Serial.println("Starting LoRa failed!");
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while (1);
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}
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Serial.println("LoRa initialized successfully!");
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}
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void sendLoRaData(String data)
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{
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String message = "node3 " + data; // Concatenate "node3 " with the value of cleanString
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LoRa.beginPacket();
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LoRa.print(message);
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LoRa.endPacket();
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}
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void readNFC()
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{
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if (nfc.tagPresent())
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{
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NfcTag tag = nfc.read();
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tagId = tag.getUidString();
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Serial.print("Tag ID: ");
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Serial.println(tagId);
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if (tag.hasNdefMessage())
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{
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NdefMessage message = tag.getNdefMessage();
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int recordCount = message.getRecordCount();
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Serial.print("Number of NDEF records: ");
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Serial.println(recordCount);
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for (int i = 0; i < recordCount; i++)
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{
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NdefRecord record = message.getRecord(i);
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int payloadLength = record.getPayloadLength();
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byte payload[payloadLength];
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record.getPayload(payload);
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String payloadAsString = "";
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for (int c = 0; c < payloadLength; c++)
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{
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payloadAsString += (char)payload[c];
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}
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cleanString = payloadAsString;
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cleanString.remove(0, 3);
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Serial.print("Payload: ");
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Serial.println(cleanString);
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String uid = record.getId();
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if (uid != "")
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{
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Serial.print("Record ID: ");
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Serial.println(uid);
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}
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}
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}
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else
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{
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Serial.println("No NDEF message found on the tag.");
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}
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delay(2000);
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}
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}
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