lor温湿度光照采集代码

以下是一个简单的LORAWAN温湿度光照采集代码示例，使用DHT11传感器和BH1750光照传感器：

#include <lmic.h>
#include <hal/hal.h>
#include <DHT.h>
#include <BH1750.h>

// Pin definitions
#define DHTPIN 2
#define DHTTYPE DHT11
#define BH1750_ADDRESS 0x23

// Sensor objects
DHT dht(DHTPIN, DHTTYPE);
BH1750 lightMeter(BH1750_ADDRESS);

// LoRaWAN keys
static const u1_t PROGMEM DEVEUI[8]={ /* Device EUI */ };
static const u1_t PROGMEM APPEUI[8]={ /* Application EUI */ };
static const u1_t PROGMEM APPKEY[16]={ /* App Key */ };

// LoRaWAN configuration
static uint8_t devAddr[4] = { /* Device Address */ };
static uint8_t nwkSKey[16] = { /* Network Session Key */ };
static uint8_t appSKey[16] = { /* Application Session Key */ };

// LoRaWAN send interval
#define INTERVAL 300 // seconds

void os_getArtEui (u1_t* buf) { memcpy_P(buf, APPEUI, 8); }
void os_getDevEui (u1_t* buf) { memcpy_P(buf, DEVEUI, 8); }
void os_getDevKey (u1_t* buf) { memcpy_P(buf, APPKEY, 16); }

static osjob_t sendjob;

// LoRaWAN send function
void send() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();
  float lux = lightMeter.readLightLevel();

  uint8_t buffer[12];
  buffer[0] = (uint8_t)(temperature * 10);
  buffer[1] = (uint8_t)(humidity * 2);
  buffer[2] = (uint8_t)(lux / 256);
  buffer[3] = (uint8_t)(lux % 256);

  LMIC_setTxData2(1, buffer, sizeof(buffer), 0);
}

// LoRaWAN event function
void onEvent (ev_t ev) {
  switch(ev) {
    case EV_JOINING:
      Serial.println(F("Joining..."));
      break;
    case EV_JOINED:
      Serial.println(F("Joined!"));
      break;
    case EV_TXCOMPLETE:
      Serial.println(F("Transmission complete."));
      os_setTimedCallback(&sendjob, os_getTime() + sec2osticks(INTERVAL), send);
      break;
    default:
      break;
  }
}

void setup() {
  Serial.begin(9600);

  // Initialize LoRaWAN
  os_init();
  LMIC_reset();
  LMIC_setSession(0x1, devAddr, nwkSKey, appSKey);
  LMIC_setLinkCheckMode(0);
  LMIC_setDrTxpow(DR_SF7,14);
  LMIC_selectSubBand(1);

  // Start sensor objects
  dht.begin();
  lightMeter.begin(BH1750::CONTINUOUS_HIGH_RES_MODE);

  // Start LoRaWAN job
  os_setCallback(&sendjob, send);
}

void loop() {
  os_runloop_once();
}

注意，此代码仅供参考，并且需要根据您的实际硬件和LoRaWAN网络进行相应的修改。