:) duino

arduino/LoRareceiver/LoRaReceiver.ino

@@ -0,0 +1,57 @@
+
+#include <LoRa.h>
+#include "boards.h"
+
+void setup()
+{
+
+    initBoard();
+    // When the power is turned on, a delay is required.
+    delay(1500);
+
+    Serial.println("LoRa Receiver");
+
+    LoRa.setPins(RADIO_CS_PIN, RADIO_RST_PIN, RADIO_DI0_PIN);
+    if (!LoRa.begin(LoRa_frequency)) {
+        Serial.println("Starting LoRa failed!");
+        while (1);
+    }
+
+}
+
+void loop()
+{
+    // try to parse packet
+    int packetSize = LoRa.parsePacket();
+    if (packetSize) {
+        // received a packet
+//        Serial.print("Received packet '");
+
+        String recv = "";
+        // read packet
+        while (LoRa.available()) {
+            recv += (char)LoRa.read();
+        }
+
+        Serial.println(recv);
+
+//        // print RSSI of packet
+//        Serial.print("' with RSSI ");
+//        Serial.println(LoRa.packetRssi());
+////
+        
+#ifdef HAS_DISPLAY
+        if (u8g2) {
+            u8g2->clearBuffer();
+            char buf[256];
+            u8g2->drawStr(0, 12, "Received OK!");
+            u8g2->drawStr(0, 26, recv.c_str());
+            snprintf(buf, sizeof(buf), "RSSI:%i", LoRa.packetRssi());
+            u8g2->drawStr(0, 40, buf);
+            snprintf(buf, sizeof(buf), "SNR:%.1f", LoRa.packetSnr());
+            u8g2->drawStr(0, 56, buf);
+            u8g2->sendBuffer();
+        }
+#endif
+    }
+}

arduino/LoRareceiver/boards.h

@@ -0,0 +1,171 @@
+#include <Arduino.h>
+#include <SPI.h>
+#include <Wire.h>
+#include "utilities.h"
+
+#ifdef HAS_SDCARD
+#include <SD.h>
+#include <FS.h>
+#endif
+
+#ifdef HAS_DISPLAY
+#include <U8g2lib.h>
+U8G2_SSD1306_128X64_NONAME_F_HW_I2C *u8g2 = nullptr;
+#endif
+
+#if defined(LILYGO_TBeam_V1_0) || defined(LILYGO_TBeam_V1_1)
+#include <axp20x.h>
+AXP20X_Class PMU;
+
+bool initPMU()
+{
+    if (PMU.begin(Wire, AXP192_SLAVE_ADDRESS) == AXP_FAIL) {
+        return false;
+    }
+    /*
+     * The charging indicator can be turned on or off
+     * * * */
+    // PMU.setChgLEDMode(LED_BLINK_4HZ);
+
+    /*
+    * The default ESP32 power supply has been turned on,
+    * no need to set, please do not set it, if it is turned off,
+    * it will not be able to program
+    *
+    *   PMU.setDCDC3Voltage(3300);
+    *   PMU.setPowerOutPut(AXP192_DCDC3, AXP202_ON);
+    *
+    * * * */
+
+    /*
+     *   Turn off unused power sources to save power
+     * **/
+
+    PMU.setPowerOutPut(AXP192_DCDC1, AXP202_OFF);
+    PMU.setPowerOutPut(AXP192_DCDC2, AXP202_OFF);
+    PMU.setPowerOutPut(AXP192_LDO2, AXP202_OFF);
+    PMU.setPowerOutPut(AXP192_LDO3, AXP202_OFF);
+    PMU.setPowerOutPut(AXP192_EXTEN, AXP202_OFF);
+
+    /*
+     * Set the power of LoRa and GPS module to 3.3V
+     **/
+    PMU.setLDO2Voltage(3300);   //LoRa VDD
+    PMU.setLDO3Voltage(3300);   //GPS  VDD
+    PMU.setDCDC1Voltage(3300);  //3.3V Pin next to 21 and 22 is controlled by DCDC1
+
+    PMU.setPowerOutPut(AXP192_DCDC1, AXP202_ON);
+    PMU.setPowerOutPut(AXP192_LDO2, AXP202_ON);
+    PMU.setPowerOutPut(AXP192_LDO3, AXP202_ON);
+
+    pinMode(PMU_IRQ, INPUT_PULLUP);
+    attachInterrupt(PMU_IRQ, [] {
+        // pmu_irq = true;
+    }, FALLING);
+
+    PMU.adc1Enable(AXP202_VBUS_VOL_ADC1 |
+                   AXP202_VBUS_CUR_ADC1 |
+                   AXP202_BATT_CUR_ADC1 |
+                   AXP202_BATT_VOL_ADC1,
+                   AXP202_ON);
+
+    PMU.enableIRQ(AXP202_VBUS_REMOVED_IRQ |
+                  AXP202_VBUS_CONNECT_IRQ |
+                  AXP202_BATT_REMOVED_IRQ |
+                  AXP202_BATT_CONNECT_IRQ,
+                  AXP202_ON);
+    PMU.clearIRQ();
+
+    return true;
+}
+
+void disablePeripherals()
+{
+    PMU.setPowerOutPut(AXP192_DCDC1, AXP202_OFF);
+    PMU.setPowerOutPut(AXP192_LDO2, AXP202_OFF);
+    PMU.setPowerOutPut(AXP192_LDO3, AXP202_OFF);
+}
+#else
+#define initPMU()
+#define disablePeripherals()
+#endif
+
+SPIClass SDSPI(HSPI);
+
+
+void initBoard()
+{
+    Serial.begin(115200);
+    Serial.println("initBoard");
+    SPI.begin(RADIO_SCLK_PIN, RADIO_MISO_PIN, RADIO_MOSI_PIN);
+    Wire.begin(I2C_SDA, I2C_SCL);
+
+#ifdef HAS_GPS
+    Serial1.begin(GPS_BAUD_RATE, SERIAL_8N1, GPS_RX_PIN, GPS_TX_PIN);
+#endif
+
+#if OLED_RST
+    pinMode(OLED_RST, OUTPUT);
+    digitalWrite(OLED_RST, HIGH); delay(20);
+    digitalWrite(OLED_RST, LOW);  delay(20);
+    digitalWrite(OLED_RST, HIGH); delay(20);
+#endif
+
+    initPMU();
+
+#ifdef HAS_SDCARD
+    SDSPI.begin(SDCARD_SCLK, SDCARD_MISO, SDCARD_MOSI, SDCARD_CS);
+    if (!SD.begin(SDCARD_CS, SDSPI)) {
+        Serial.println("setupSDCard FAIL");
+    } else {
+        uint32_t cardSize = SD.cardSize() / (1024 * 1024);
+        Serial.print("setupSDCard PASS . SIZE = ");
+        Serial.print(cardSize);
+        Serial.println(" MB");
+    }
+#endif
+
+#ifdef BOARD_LED
+    /*
+    * T-BeamV1.0, V1.1 LED defaults to low level as trun on,
+    * so it needs to be forced to pull up
+    * * * * */
+#if LED_ON == LOW
+    gpio_hold_dis(GPIO_NUM_4);
+#endif
+    pinMode(BOARD_LED, OUTPUT);
+    digitalWrite(BOARD_LED, LED_ON);
+#endif
+
+
+#ifdef HAS_DISPLAY
+    Wire.beginTransmission(0x3C);
+    if (Wire.endTransmission() == 0) {
+        Serial.println("Started OLED");
+        u8g2 = new U8G2_SSD1306_128X64_NONAME_F_HW_I2C(U8G2_R0, U8X8_PIN_NONE);
+        u8g2->begin();
+        u8g2->clearBuffer();
+        u8g2->setFlipMode(0);
+        u8g2->setFontMode(1); // Transparent
+        u8g2->setDrawColor(1);
+        u8g2->setFontDirection(0);
+        u8g2->firstPage();
+        do {
+            u8g2->setFont(u8g2_font_inb19_mr);
+            u8g2->drawStr(0, 30, "LilyGo");
+            u8g2->drawHLine(2, 35, 47);
+            u8g2->drawHLine(3, 36, 47);
+            u8g2->drawVLine(45, 32, 12);
+            u8g2->drawVLine(46, 33, 12);
+            u8g2->setFont(u8g2_font_inb19_mf);
+            u8g2->drawStr(58, 60, "LoRa");
+        } while ( u8g2->nextPage() );
+        u8g2->sendBuffer();
+        u8g2->setFont(u8g2_font_fur11_tf);
+        delay(5000);
+    }
+#endif
+
+}
+
+

arduino/LoRareceiver/sketch_may11a.ino

@@ -0,0 +1,100 @@
+#include <LoRa.h>
+#include <Wire.h>
+#include "boards.h"
+#include <PN532_I2C.h>
+#include <PN532.h>
+#include <NfcAdapter.h>
+
+PN532_I2C pn532_i2c(Wire);
+NfcAdapter nfc = NfcAdapter(pn532_i2c);
+String tagId = "None";
+String cleanString = "";
+
+
+void setup()
+{
+  Serial.begin(9600);
+  Serial.println("System initialized");
+  nfc.begin();
+
+  initLoRa();
+}
+
+void loop()
+{
+  readNFC();
+  if (!cleanString.isEmpty()) {
+    sendLoRaData(cleanString);
+  }
+}
+
+void initLoRa()
+{
+  Serial.println("Initializing LoRa...");
+  LoRa.setPins(RADIO_CS_PIN, RADIO_RST_PIN, RADIO_DI0_PIN);
+  if (!LoRa.begin(LoRa_frequency))
+  {
+    Serial.println("Starting LoRa failed!");
+    while (1);
+  }
+  Serial.println("LoRa initialized successfully!");
+}
+
+void sendLoRaData(String data)
+{
+  String message = "node3 " + data; // Concatenate "node3 " with the value of cleanString
+
+  LoRa.beginPacket();
+  LoRa.print(message);
+  LoRa.endPacket();
+}
+
+void readNFC() 
+{
+  if (nfc.tagPresent())
+  {
+    NfcTag tag = nfc.read();
+    tagId = tag.getUidString();
+    Serial.print("Tag ID: ");
+    Serial.println(tagId);
+    
+    if (tag.hasNdefMessage())
+    {
+      NdefMessage message = tag.getNdefMessage();
+      int recordCount = message.getRecordCount();
+      Serial.print("Number of NDEF records: ");
+      Serial.println(recordCount);
+      
+      for (int i = 0; i < recordCount; i++)
+      {
+        NdefRecord record = message.getRecord(i);
+        int payloadLength = record.getPayloadLength();
+        byte payload[payloadLength];
+        record.getPayload(payload);
+        
+        String payloadAsString = "";
+        for (int c = 0; c < payloadLength; c++) 
+        {
+          payloadAsString += (char)payload[c];
+        }
+        
+        cleanString = payloadAsString;
+        cleanString.remove(0, 3);
+        Serial.print("Payload: ");
+        Serial.println(cleanString);
+        
+        String uid = record.getId();
+        if (uid != "") 
+        {
+          Serial.print("Record ID: ");
+          Serial.println(uid);
+        }
+      }
+    }
+    else
+    {
+      Serial.println("No NDEF message found on the tag.");
+    }
+    delay(2000);
+  }
+}

arduino/LoRareceiver/utilities.h

@@ -0,0 +1,167 @@
+
+#pragma once
+
+/*
+* arduinoLoRa Library just only support SX1276/Sx1278,Not support SX1262
+* */
+// #define LILYGO_TBeam_V0_7
+#define LILYGO_TBeam_V1_0
+// #define LILYGO_TBeam_V1_1
+// #define LILYGO_T3_V1_0
+// #define LILYGO_T3_V1_6
+// #define LILYGO_T3_V2_0
+// #define LILYGO_T95_V1_0
+
+/*
+* if you need to change it,
+* please open this note and change to the frequency you need to test
+* Option: 433E6,470E6,868E6,915E6
+* */
+
+#define LoRa_frequency      868E6
+
+
+#define UNUSE_PIN                   (0)
+
+#if defined(LILYGO_TBeam_V0_7)
+#define GPS_RX_PIN                  12
+#define GPS_TX_PIN                  15
+#define BUTTON_PIN                  39
+#define BUTTON_PIN_MASK             GPIO_SEL_39
+#define I2C_SDA                     21
+#define I2C_SCL                     22
+
+#define RADIO_SCLK_PIN               5
+#define RADIO_MISO_PIN              19
+#define RADIO_MOSI_PIN              27
+#define RADIO_CS_PIN                18
+#define RADIO_DI0_PIN               26
+#define RADIO_RST_PIN               23
+#define RADIO_DIO1_PIN              33
+#define RADIO_BUSY_PIN              32
+
+#define BOARD_LED                   14
+#define LED_ON                      HIGH
+#define LED_OFF                     LOW
+
+#define GPS_BAUD_RATE               9600
+#define HAS_GPS
+#define HAS_DISPLAY                 //Optional, bring your own board, no OLED !!
+
+#elif defined(LILYGO_TBeam_V1_0) || defined(LILYGO_TBeam_V1_1)
+
+#define GPS_RX_PIN                  34
+#define GPS_TX_PIN                  12
+#define BUTTON_PIN                  38
+#define BUTTON_PIN_MASK             GPIO_SEL_38
+#define I2C_SDA                     21
+#define I2C_SCL                     22
+#define PMU_IRQ                     35
+
+#define RADIO_SCLK_PIN               5
+#define RADIO_MISO_PIN              19
+#define RADIO_MOSI_PIN              27
+#define RADIO_CS_PIN                18
+#define RADIO_DI0_PIN               26
+#define RADIO_RST_PIN               23
+#define RADIO_DIO1_PIN              33
+#define RADIO_BUSY_PIN              32
+
+#define BOARD_LED                   4
+#define LED_ON                      LOW
+#define LED_OFF                     HIGH
+
+#define GPS_BAUD_RATE               9600
+#define HAS_GPS
+#define HAS_DISPLAY                 //Optional, bring your own board, no OLED !!
+
+#elif defined(LILYGO_T3_V1_0)
+#define I2C_SDA                     4
+#define I2C_SCL                     15
+#define OLED_RST                    16
+
+#define RADIO_SCLK_PIN              5
+#define RADIO_MISO_PIN              19
+#define RADIO_MOSI_PIN              27
+#define RADIO_CS_PIN                18
+#define RADIO_DI0_PIN               26
+#define RADIO_RST_PIN               14
+#define RADIO_DIO1_PIN              33
+#define RADIO_BUSY_PIN              32
+
+#define HAS_DISPLAY
+
+#elif defined(LILYGO_T3_V1_6)
+#define I2C_SDA                     21
+#define I2C_SCL                     22
+#define OLED_RST                    UNUSE_PIN
+
+#define RADIO_SCLK_PIN              5
+#define RADIO_MISO_PIN              19
+#define RADIO_MOSI_PIN              27
+#define RADIO_CS_PIN                18
+#define RADIO_DI0_PIN               26
+#define RADIO_RST_PIN               23
+#define RADIO_DIO1_PIN              33
+#define RADIO_BUSY_PIN              32
+
+#define SDCARD_MOSI                 15
+#define SDCARD_MISO                 2
+#define SDCARD_SCLK                 14
+#define SDCARD_CS                   13
+
+#define BOARD_LED                   25
+#define LED_ON                      HIGH
+
+#define ADC_PIN                     35
+
+#define HAS_SDCARD
+#define HAS_DISPLAY
+
+#elif defined(LILYGO_T3_V2_0)
+#define I2C_SDA                     21
+#define I2C_SCL                     22
+#define OLED_RST                    UNUSE_PIN
+
+#define RADIO_SCLK_PIN              5
+#define RADIO_MISO_PIN              19
+#define RADIO_MOSI_PIN              27
+#define RADIO_CS_PIN                18
+#define RADIO_DI0_PIN               26
+#define RADIO_RST_PIN               14
+#define RADIO_DIO1_PIN              UNUSE_PIN
+#define RADIO_BUSY_PIN              UNUSE_PIN
+
+#define SDCARD_MOSI                 15
+#define SDCARD_MISO                 2
+#define SDCARD_SCLK                 14
+#define SDCARD_CS                   13
+
+#define BOARD_LED                   0
+#define LED_ON                      LOW
+
+#define HAS_DISPLAY
+#define HAS_SDCARD
+
+#elif defined(LILYGO_T95_V1_0)
+
+#define I2C_SDA                     21
+#define I2C_SCL                     22
+#define OLED_RST                    UNUSE_PIN
+
+#define RADIO_SCLK_PIN              18
+#define RADIO_MISO_PIN              19
+#define RADIO_MOSI_PIN              23
+#define RADIO_CS_PIN                5
+#define RADIO_DI0_PIN               26
+#define RADIO_RST_PIN               4
+#define RADIO_DIO1_PIN              33
+#define RADIO_DIO2_PIN              32
+#define RADIO_BUSY_PIN              UNUSE_PIN
+
+#define ADC_PIN                     35
+#define HAS_DISPLAY
+
+#else
+#error "Please select the version you purchased in utilities.h"
+#endif