// References: // [feather] adafruit-feather-m0-radio-with-lora-module.pdf #include #include #include // cam bien nhiet do nuoc mat #include DS18B20 ds(25); // cam bien khoang cach #include HCSR04 hc(12, 13); //initialisation class HCSR04 (trig pin , echo pin) // GPS #include #include #include #include // Oled //On ESP32: GPIO-21(SDA), GPIO-22(SCL) #define SCREEN_ADDRESS 0x3C //See datasheet for Address Adafruit_SH1106 display(0x3C,21,22); #define RXD2 16 #define TXD2 17 HardwareSerial neogps(1); TinyGPSPlus gps; // analog dien ap int analogInput = 33; float vout = 0.0; float vin = 0.0; float R1 = 100000.0; // resistance of R1 (100K) float R2 = 10000.0; // resistance of R2 (10K) int value = 0; // // For normal use, we require that you edit the sketch to replace FILLMEIN // with values assigned by the TTN console. However, for regression tests, // we want to be able to compile these scripts. The regression tests define // COMPILE_REGRESSION_TEST, and in that case we define FILLMEIN to a non- // working but innocuous value. // #ifdef COMPILE_REGRESSION_TEST # define FILLMEIN 0 #else # warning "You must replace the values marked FILLMEIN with real values from the TTN control panel!" # define FILLMEIN (#dont edit this, edit the lines that use FILLMEIN) #endif // LoRaWAN NwkSKey, network session key // This should be in big-endian (aka msb). static const PROGMEM u1_t NWKSKEY[16] = {0x62, 0xC1, 0x35, 0x33, 0x1E, 0xC2, 0x72, 0xB3, 0xD9, 0xC3, 0x9C, 0xCA, 0xEB, 0x63, 0x27, 0x29}; // LoRaWAN AppSKey, application session key // This should also be in big-endian (aka msb). static const u1_t PROGMEM APPSKEY[16] = {0x3B, 0x4C, 0x26, 0x20, 0xC4, 0x23, 0x93, 0x8E, 0x19, 0x78, 0xDB, 0x3D, 0x9B, 0x58, 0xEB, 0xE9}; // LoRaWAN end-device address (DevAddr) // See http://thethingsnetwork.org/wiki/AddressSpace // The library converts the address to network byte order as needed, so this should be in big-endian (aka msb) too. static const u4_t DEVADDR =0x260B0783; // <-- Change this address for every node! // These callbacks are only used in over-the-air activation, so they are // left empty here (we cannot leave them out completely unless // DISABLE_JOIN is set in arduino-lmic/project_config/lmic_project_config.h, // otherwise the linker will complain). void os_getArtEui (u1_t* buf) { } void os_getDevEui (u1_t* buf) { } void os_getDevKey (u1_t* buf) { } static uint8_t payload[12]; static osjob_t sendjob; // Schedule TX every this many seconds (might become longer due to duty // cycle limitations). const unsigned TX_INTERVAL = 30; // Pin mapping // Adapted for Feather M0 per p.10 of [feather] const lmic_pinmap lmic_pins = { .nss = 5, // chip select on feather (rf95module) CS .rxtx = LMIC_UNUSED_PIN, .rst = 4, // reset pin .dio = {32, 35,34 }, // assumes external jumpers [feather_lora_jumper] // DIO1 is on JP1-1: is io1 - we connect to GPO6 // DIO1 is on JP5-3: is D2 - we connect to GPO5 }; void onEvent (ev_t ev) { Serial.print(os_getTime()); Serial.print(": "); switch(ev) { case EV_SCAN_TIMEOUT: Serial.println(F("EV_SCAN_TIMEOUT")); break; case EV_BEACON_FOUND: Serial.println(F("EV_BEACON_FOUND")); break; case EV_BEACON_MISSED: Serial.println(F("EV_BEACON_MISSED")); break; case EV_BEACON_TRACKED: Serial.println(F("EV_BEACON_TRACKED")); break; case EV_JOINING: Serial.println(F("EV_JOINING")); break; case EV_JOINED: Serial.println(F("EV_JOINED")); break; /* || This event is defined but not used in the code. No || point in wasting codespace on it. || || case EV_RFU1: || Serial.println(F("EV_RFU1")); || break; */ case EV_JOIN_FAILED: Serial.println(F("EV_JOIN_FAILED")); break; case EV_REJOIN_FAILED: Serial.println(F("EV_REJOIN_FAILED")); break; case EV_TXCOMPLETE: Serial.println(F("EV_TXCOMPLETE (includes waiting for RX windows)")); if (LMIC.txrxFlags & TXRX_ACK) Serial.println(F("Received ack")); if (LMIC.dataLen) { Serial.println(F("Received ")); Serial.println(LMIC.dataLen); Serial.println(F(" bytes of payload")); } // Schedule next transmission os_setTimedCallback(&sendjob, os_getTime()+sec2osticks(TX_INTERVAL), do_send); break; case EV_LOST_TSYNC: Serial.println(F("EV_LOST_TSYNC")); break; case EV_RESET: Serial.println(F("EV_RESET")); break; case EV_RXCOMPLETE: // data received in ping slot Serial.println(F("EV_RXCOMPLETE")); break; case EV_LINK_DEAD: Serial.println(F("EV_LINK_DEAD")); break; case EV_LINK_ALIVE: Serial.println(F("EV_LINK_ALIVE")); break; /* || This event is defined but not used in the code. No || point in wasting codespace on it. || || case EV_SCAN_FOUND: || Serial.println(F("EV_SCAN_FOUND")); || break; */ case EV_TXSTART: Serial.println(F("EV_TXSTART")); break; case EV_TXCANCELED: Serial.println(F("EV_TXCANCELED")); break; case EV_RXSTART: /* do not print anything -- it wrecks timing */ break; case EV_JOIN_TXCOMPLETE: Serial.println(F("EV_JOIN_TXCOMPLETE: no JoinAccept")); break; default: Serial.print(F("Unknown event: ")); Serial.println((unsigned) ev); break; } } void do_send(osjob_t* j){ // Check if there is not a current TX/RX job running if (LMIC.opmode & OP_TXRXPEND) { Serial.println(F("OP_TXRXPEND, not sending")); } else { Serial.println(gps.location.lng(),6); Serial.println(gps.location.lat(),6); int32_t lati = gps.location.lat()* 10000; int32_t lngi = gps.location.lng()* 10000; //thuat toan khoang cach int16_t distance= hc.dist()*100 ; Serial.println(hc.dist()); //thuat toan do nhiet do nuoc lam mat int16_t temp = ds.getTempC()*100; Serial.println(ds.getTempC()); //thuat toan do dien ap value= analogRead(analogInput); vout = (value * 5) / 4096; vin = vout / (R2 / (R1 + R2)); if( vin<5.0){ vin=0.0; } int16_t voltage= vin*100; Serial.println(vin); //gui du lieu len TTN payload[0] = ( lati >> 16 ); payload[1] = ( lati >> 8 ); payload[2] = lati; payload[3] = ( lngi >> 16 ); payload[4] = ( lngi >> 8 ); payload[5] = lngi; payload[6] = ( distance >> 8 ); payload[7] = distance; payload[8] = ( temp >> 8 ); payload[9] = temp; payload[10] = ( voltage >> 8 ); payload[11] = voltage; // Prepare upstream data transmission at the next possible time. LMIC_setTxData2(1, payload, sizeof(payload)-1, 0); Serial.println(F("Packet queued")); } // Next TX is scheduled after TX_COMPLETE event. } void setup() { // pinMode(13, OUTPUT); while (!Serial); // wait for Serial to be initialized Serial.begin(9600); delay(100); // per sample code on RF_95 test Serial.println(F("Starting")); neogps.begin(9600, SERIAL_8N1, RXD2, TXD2); // dien ap pinMode(analogInput, INPUT); display.begin(SH1106_SWITCHCAPVCC, 0x3C); display.clearDisplay(); display.display(); // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally #ifdef VCC_ENABLE // For Pinoccio Scout boards pinMode(VCC_ENABLE, OUTPUT); digitalWrite(VCC_ENABLE, HIGH); delay(1000); #endif // LMIC init os_init(); // Reset the MAC state. Session and pending data transfers will be discarded. LMIC_reset(); // Set static session parameters. Instead of dynamically establishing a session // by joining the network, precomputed session parameters are be provided. #ifdef PROGMEM // On AVR, these values are stored in flash and only copied to RAM // once. Copy them to a temporary buffer here, LMIC_setSession will // copy them into a buffer of its own again. uint8_t appskey[sizeof(APPSKEY)]; uint8_t nwkskey[sizeof(NWKSKEY)]; memcpy_P(appskey, APPSKEY, sizeof(APPSKEY)); memcpy_P(nwkskey, NWKSKEY, sizeof(NWKSKEY)); LMIC_setSession (0x13, DEVADDR, nwkskey, appskey); #else // If not running an AVR with PROGMEM, just use the arrays directly LMIC_setSession (0x13, DEVADDR, NWKSKEY, APPSKEY); #endif #if defined(CFG_eu868) // Set up the channels used by the Things Network, which corresponds // to the defaults of most gateways. Without this, only three base // channels from the LoRaWAN specification are used, which certainly // works, so it is good for debugging, but can overload those // frequencies, so be sure to configure the full frequency range of // your network here (unless your network autoconfigures them). // Setting up channels should happen after LMIC_setSession, as that // configures the minimal channel set. The LMIC doesn't let you change // the three basic settings, but we show them here. LMIC_setupChannel(0, 868100000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band LMIC_setupChannel(1, 868300000, DR_RANGE_MAP(DR_SF12, DR_SF7B), BAND_CENTI); // g-band LMIC_setupChannel(2, 868500000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band LMIC_setupChannel(3, 867100000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band LMIC_setupChannel(4, 867300000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band LMIC_setupChannel(5, 867500000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band LMIC_setupChannel(6, 867700000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band LMIC_setupChannel(7, 867900000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band LMIC_setupChannel(8, 868800000, DR_RANGE_MAP(DR_FSK, DR_FSK), BAND_MILLI); // g2-band // TTN defines an additional channel at 869.525Mhz using SF9 for class B // devices' ping slots. LMIC does not have an easy way to define set this // frequency and support for class B is spotty and untested, so this // frequency is not configured here. #elif defined(CFG_us915) || defined(CFG_au915) // NA-US and AU channels 0-71 are configured automatically // but only one group of 8 should (a subband) should be active // TTN recommends the second sub band, 1 in a zero based count. // https://github.com/TheThingsNetwork/gateway-conf/blob/master/US-global_conf.json LMIC_selectSubBand(1); #elif defined(CFG_as923) // Set up the channels used in your country. Only two are defined by default, // and they cannot be changed. Use BAND_CENTI to indicate 1% duty cycle. LMIC_setupChannel(0, 923200000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // LMIC_setupChannel(1, 923400000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // ... extra definitions for channels 2..n here #elif defined(CFG_kr920) // Set up the channels used in your country. Three are defined by default, // and they cannot be changed. Duty cycle doesn't matter, but is conventionally // BAND_MILLI. // LMIC_setupChannel(0, 922100000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_MILLI); // LMIC_setupChannel(1, 922300000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_MILLI); // LMIC_setupChannel(2, 922500000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_MILLI); // ... extra definitions for channels 3..n here. #elif defined(CFG_in866) // Set up the channels used in your country. Three are defined by default, // and they cannot be changed. Duty cycle doesn't matter, but is conventionally // BAND_MILLI. // LMIC_setupChannel(0, 865062500, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_MILLI); // LMIC_setupChannel(1, 865402500, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_MILLI); // LMIC_setupChannel(2, 865985000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_MILLI); // ... extra definitions for channels 3..n here. #else # error Region not supported #endif // Disable link check validation LMIC_setLinkCheckMode(0); // TTN uses SF9 for its RX2 window. LMIC.dn2Dr = DR_SF9; // Set data rate and transmit power for uplink LMIC_setDrTxpow(DR_SF7,14); // Start job do_send(&sendjob); delay(500); display.setTextSize(2); display.setTextColor(WHITE); display.setCursor(0, 20); // Display static text display.println("Giam sat"); display.display(); display.setTextSize(2); display.setTextColor(WHITE); display.setCursor(0, 35); // Display static text display.println("xe"); display.display(); delay(1000); } void loop() { unsigned long now; now = millis(); if ((now & 512) != 0) { digitalWrite(13, HIGH); } else { digitalWrite(13, LOW); } os_runloop_once(); //gps boolean newData = false; for (unsigned long start = millis(); millis() - start < 1000;) { while (neogps.available()) { if (gps.encode(neogps.read())) { newData = true; } } } //If newData is true if(newData == true) { newData = false; } float t=ds.getTempC(); float h=hc.dist(); float v=vin; display.clearDisplay(); display.setTextColor(WHITE); // hien thi khoang cach display.setTextSize(2); display.setCursor(0,0); display.println("khoang cach"); display.setTextSize(2); display.setCursor(0,16); display.println(h,30); display.setCursor(115,16); display.println("CM"); // hien thi dien ap display.setTextSize(2); display.setCursor(0,32); display.println("dien ap"); display.setTextSize(2); /* Select font size of text. Increases with size of argument. */ display.setCursor(90,32); display.println(v,30); display.setCursor(115,32); display.println("V"); // hien thi nhiet do nuoc mat display.setTextSize(2); /* Select font size of text. Increases with size of argument. */ display.setCursor(0,48); display.println("tempC nuoc"); display.setTextSize(2); /* Select font size of text. Increases with size of argument. */ display.setCursor(90,48); display.println(t,30); display.setCursor(115,48); display.println("C"); display.display(); delay(200); }