Added new Sketch
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Joachim Hummel
parent
cedc869411
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c591066f96
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235
bme280-lorawan-sensor.ino
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235
bme280-lorawan-sensor.ino
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/*******************************************************************************
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Copyright (c) 2015 Thomas Telkamp and Matthijs Kooijman
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Copyright (c) 2019 Severin Schols
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Permission is hereby granted, free of charge, to anyone
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obtaining a copy of this document and accompanying files,
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to do whatever they want with them without any restriction,
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including, but not limited to, copying, modification and redistribution.
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NO WARRANTY OF ANY KIND IS PROVIDED.
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This example reads a BME280 or BMP280 sensor and sends a valid LoRaWAN
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packet with the readings alongside the current input voltage, using
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frequency and encryption settings matching those of the The Things Network.
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This uses OTAA (Over-the-air activation), where where a DevEUI and
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application key is configured, which are used in an over-the-air
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activation procedure where a DevAddr and session keys are
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assigned/generated for use with all further communication.
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Note: LoRaWAN per sub-band duty-cycle limitation is enforced (1% in
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g1, 0.1% in g2), but not the TTN fair usage policy (which is probably
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violated by this sketch when left running for longer)!
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To use this sketch, first register your application and device with
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the things network, to set or generate an AppEUI, DevEUI and AppKey.
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Multiple devices can use the same AppEUI, but each device has its own
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DevEUI and AppKey.
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Do not forget to define the radio type correctly in config.h.
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*******************************************************************************/
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#include <lmic.h>
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#include <hal/hal.h>
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#include <SPI.h>
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#include <BME280I2C.h>
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#include <Wire.h>
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#include <CayenneLPP.h>
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#include "config.h"
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void os_getArtEui (u1_t* buf) {
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memcpy_P(buf, APPEUI, 8);
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}
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void os_getDevEui (u1_t* buf) {
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memcpy_P(buf, DEVEUI, 8);
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}
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void os_getDevKey (u1_t* buf) {
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memcpy_P(buf, APPKEY, 16);
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}
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static osjob_t sendjob;
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// Schedule TX every this many seconds (might become longer due to duty
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// cycle limitations).
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const unsigned TX_INTERVAL = 30;
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const lmic_pinmap lmic_pins = {
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.nss = 4,
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.rxtx = LMIC_UNUSED_PIN,
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.rst = LMIC_UNUSED_PIN, // hardwired to AtMega RESET
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.dio = {12, 13, LMIC_UNUSED_PIN} // .dio = {4, 5, LMIC_UNUSED_PIN},
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};
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CayenneLPP lpp(51);
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BME280I2C bme;
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// https://provideyourown.com/2012/secret-arduino-voltmeter-measure-battery-voltage/
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long readVcc() {
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// Read 1.1V reference against AVcc
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// set the reference to Vcc and the measurement to the internal 1.1V reference
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#if defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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ADMUX = _BV(REFS0) | _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
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#elif defined (__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
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ADMUX = _BV(MUX5) | _BV(MUX0);
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#elif defined (__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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ADMUX = _BV(MUX3) | _BV(MUX2);
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#else
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ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
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#endif
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delay(2); // Wait for Vref to settle
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ADCSRA |= _BV(ADSC); // Start conversion
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while (bit_is_set(ADCSRA, ADSC)); // measuring
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uint8_t low = ADCL; // must read ADCL first - it then locks ADCH
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uint8_t high = ADCH; // unlocks both
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long result = (high << 8) | low;
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result = 1125300L / result; // Calculate Vcc (in mV); 1125300 = 1.1*1023*1000
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return result; // Vcc in millivolts
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}
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void onEvent (ev_t ev) {
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Serial.print(os_getTime());
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Serial.print(": ");
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switch (ev) {
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case EV_SCAN_TIMEOUT:
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Serial.println(F("EV_SCAN_TIMEOUT"));
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break;
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case EV_BEACON_FOUND:
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Serial.println(F("EV_BEACON_FOUND"));
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break;
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case EV_BEACON_MISSED:
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Serial.println(F("EV_BEACON_MISSED"));
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break;
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case EV_BEACON_TRACKED:
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Serial.println(F("EV_BEACON_TRACKED"));
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break;
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case EV_JOINING:
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Serial.println(F("EV_JOINING"));
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break;
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case EV_JOINED:
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Serial.println(F("EV_JOINED"));
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// Disable link check validation (automatically enabled
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// during join, but not supported by TTN at this time).
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LMIC_setLinkCheckMode(0);
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break;
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case EV_RFU1:
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Serial.println(F("EV_RFU1"));
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break;
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case EV_JOIN_FAILED:
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Serial.println(F("EV_JOIN_FAILED"));
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break;
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case EV_REJOIN_FAILED:
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Serial.println(F("EV_REJOIN_FAILED"));
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break;
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break;
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case EV_TXCOMPLETE:
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Serial.println(F("EV_TXCOMPLETE (includes waiting for RX windows)"));
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if (LMIC.txrxFlags & TXRX_ACK)
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Serial.println(F("Received ack"));
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if (LMIC.dataLen) {
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Serial.println(F("Received "));
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Serial.println(LMIC.dataLen);
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Serial.println(F(" bytes of payload"));
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}
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/*Serial.print(F("Frequency: "));
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Serial.println(LMIC.freq);
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Serial.print(F("RSSI: "));
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Serial.println(LMIC.rssi);
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Serial.print(F("SNR: "));
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Serial.println(LMIC.snr);
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Serial.print(F("txpow: "));
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Serial.println(LMIC.txpow);*/
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Serial.print(F("adrTxPow: "));
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Serial.println(LMIC.adrTxPow);
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Serial.print(F("txChnl: "));
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Serial.println(LMIC.txChnl);
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Serial.println();
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// Schedule next transmission
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os_setTimedCallback(&sendjob, os_getTime() + sec2osticks(TX_INTERVAL), do_send);
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break;
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case EV_LOST_TSYNC:
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Serial.println(F("EV_LOST_TSYNC"));
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break;
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case EV_RESET:
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Serial.println(F("EV_RESET"));
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break;
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case EV_RXCOMPLETE:
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// data received in ping slot
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Serial.println(F("EV_RXCOMPLETE"));
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break;
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case EV_LINK_DEAD:
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Serial.println(F("EV_LINK_DEAD"));
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break;
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case EV_LINK_ALIVE:
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Serial.println(F("EV_LINK_ALIVE"));
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break;
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default:
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Serial.println(F("Unknown event"));
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break;
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}
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}
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void do_send(osjob_t* j) {
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// Check if there is not a current TX/RX job running
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if (LMIC.opmode & OP_TXRXPEND) {
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Serial.println(F("OP_TXRXPEND, not sending"));
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} else {
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float temp(NAN), hum(NAN), pres(NAN), voltage(NAN);
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BME280::TempUnit tempUnit(BME280::TempUnit_Celcius);
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BME280::PresUnit presUnit(BME280::PresUnit_hPa);
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// Read BME280/BMP280 sensor
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bme.read(pres, temp, hum, tempUnit, presUnit);
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voltage = readVcc() / 1000.0 ;
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// Build CayenneLPP message
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lpp.reset();
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lpp.addTemperature(1, temp);
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lpp.addRelativeHumidity(2, hum);
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lpp.addBarometricPressure(3, pres);
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lpp.addAnalogInput(4, voltage);
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// Prepare upstream data transmission at the next possible time.
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LMIC_setTxData2(1, lpp.getBuffer(), lpp.getSize(), 0);
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Serial.println(F("Packet queued"));
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}
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// Next TX is scheduled after TX_COMPLETE event.
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}
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void setup() {
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Serial.begin(9600);
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Serial.println(F("Starting TTN Muc Sensor 4"));
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Wire.begin();
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while (!bme.begin()) {
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Serial.println("Could not find BME280 sensor!");
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delay(1000);
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}
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// LMIC init
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os_init();
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// Reset the MAC state. Session and pending data transfers will be discarded.
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LMIC_reset();
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// Let LMIC compensate for +/- 1% clock error
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LMIC_setClockError(MAX_CLOCK_ERROR * 1 / 100);
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// Start job (sending automatically starts OTAA too)
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do_send(&sendjob);
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}
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void loop() {
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os_runloop_once();
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}
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@ -1,223 +0,0 @@
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/*******************************************************************************
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* Copyright (c) 2015 Thomas Telkamp and Matthijs Kooijman
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*
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* Permission is hereby granted, free of charge, to anyone
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* obtaining a copy of this document and accompanying files,
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* to do whatever they want with them without any restriction,
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* including, but not limited to, copying, modification and redistribution.
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* NO WARRANTY OF ANY KIND IS PROVIDED.
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*
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* This example sends a valid LoRaWAN packet with payload "Hello,
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* world!", using frequency and encryption settings matching those of
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* the The Things Network.
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*
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* This uses OTAA (Over-the-air activation), where where a DevEUI and
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* application key is configured, which are used in an over-the-air
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* activation procedure where a DevAddr and session keys are
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* assigned/generated for use with all further communication.
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*
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* Note: LoRaWAN per sub-band duty-cycle limitation is enforced (1% in
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* g1, 0.1% in g2), but not the TTN fair usage policy (which is probably
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* violated by this sketch when left running for longer)!
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* To use this sketch, first register your application and device with
|
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* the things network, to set or generate an AppEUI, DevEUI and AppKey.
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* Multiple devices can use the same AppEUI, but each device has its own
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* DevEUI and AppKey.
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*
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* Do not forget to define the radio type correctly in config.h.
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*
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*******************************************************************************/
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#include <lmic.h>
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#include <hal/hal.h>
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#include <SPI.h>
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#include <BME280I2C.h>
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#include <Wire.h>
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#include <CayenneLPP.h>
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#include <LowPower.h>
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#include "config.h"
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void os_getArtEui (u1_t* buf) { memcpy_P(buf, APPEUI, 8);}
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void os_getDevEui (u1_t* buf) { memcpy_P(buf, DEVEUI, 8);}
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void os_getDevKey (u1_t* buf) { memcpy_P(buf, APPKEY, 16);}
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static uint8_t mydata[] = "ping";
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static osjob_t sendjob;
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// Schedule TX every this many seconds (might become longer due to duty
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// cycle limitations).
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const unsigned TX_INTERVAL = 30;
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const lmic_pinmap lmic_pins = {
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.nss = 10,
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.rxtx = LMIC_UNUSED_PIN,
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.rst = LMIC_UNUSED_PIN, // hardwired to AtMega RESET
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.dio = {4,5,LMIC_UNUSED_PIN}// .dio = {4, 5, LMIC_UNUSED_PIN},
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};
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CayenneLPP lpp(51);
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BME280I2C bme;
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long readVcc() {
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// Read 1.1V reference against AVcc
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// set the reference to Vcc and the measurement to the internal 1.1V reference
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#if defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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ADMUX = _BV(REFS0) | _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
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#elif defined (__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
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ADMUX = _BV(MUX5) | _BV(MUX0);
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#elif defined (__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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ADMUX = _BV(MUX3) | _BV(MUX2);
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#else
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ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
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#endif
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delay(2); // Wait for Vref to settle
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ADCSRA |= _BV(ADSC); // Start conversion
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while (bit_is_set(ADCSRA,ADSC)); // measuring
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uint8_t low = ADCL; // must read ADCL first - it then locks ADCH
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uint8_t high = ADCH; // unlocks both
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long result = (high<<8) | low;
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result = 1125300L / result; // Calculate Vcc (in mV); 1125300 = 1.1*1023*1000
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return result; // Vcc in millivolts
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}
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void onEvent (ev_t ev) {
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Serial.print(os_getTime());
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Serial.print(": ");
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switch(ev) {
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case EV_SCAN_TIMEOUT:
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Serial.println(F("EV_SCAN_TIMEOUT"));
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break;
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case EV_BEACON_FOUND:
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Serial.println(F("EV_BEACON_FOUND"));
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break;
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case EV_BEACON_MISSED:
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Serial.println(F("EV_BEACON_MISSED"));
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break;
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case EV_BEACON_TRACKED:
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Serial.println(F("EV_BEACON_TRACKED"));
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break;
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case EV_JOINING:
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Serial.println(F("EV_JOINING"));
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break;
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case EV_JOINED:
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Serial.println(F("EV_JOINED"));
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// Disable link check validation (automatically enabled
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// during join, but not supported by TTN at this time).
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LMIC_setLinkCheckMode(0);
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break;
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case EV_RFU1:
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Serial.println(F("EV_RFU1"));
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break;
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case EV_JOIN_FAILED:
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Serial.println(F("EV_JOIN_FAILED"));
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break;
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case EV_REJOIN_FAILED:
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Serial.println(F("EV_REJOIN_FAILED"));
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break;
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break;
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case EV_TXCOMPLETE:
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Serial.println(F("EV_TXCOMPLETE (includes waiting for RX windows)"));
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if (LMIC.txrxFlags & TXRX_ACK)
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Serial.println(F("Received ack"));
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|
||||||
if (LMIC.dataLen) {
|
|
||||||
Serial.println(F("Received "));
|
|
||||||
Serial.println(LMIC.dataLen);
|
|
||||||
Serial.println(F(" bytes of payload"));
|
|
||||||
}
|
|
||||||
/*Serial.print(F("Frequency: "));
|
|
||||||
Serial.println(LMIC.freq);
|
|
||||||
Serial.print(F("RSSI: "));
|
|
||||||
Serial.println(LMIC.rssi);
|
|
||||||
Serial.print(F("SNR: "));
|
|
||||||
Serial.println(LMIC.snr);
|
|
||||||
Serial.print(F("txpow: "));
|
|
||||||
Serial.println(LMIC.txpow);*/
|
|
||||||
Serial.print(F("adrTxPow: "));
|
|
||||||
Serial.println(LMIC.adrTxPow);
|
|
||||||
Serial.print(F("txChnl: "));
|
|
||||||
Serial.println(LMIC.txChnl);
|
|
||||||
Serial.println();
|
|
||||||
// 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;
|
|
||||||
default:
|
|
||||||
Serial.println(F("Unknown event"));
|
|
||||||
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 {
|
|
||||||
float temp(NAN), hum(NAN), pres(NAN);
|
|
||||||
|
|
||||||
BME280::TempUnit tempUnit(BME280::TempUnit_Celsius);
|
|
||||||
BME280::PresUnit presUnit(BME280::PresUnit_hPa);
|
|
||||||
|
|
||||||
bme.read(pres, temp, hum, tempUnit, presUnit);
|
|
||||||
|
|
||||||
float voltage = readVcc() / 1000.0 ;
|
|
||||||
|
|
||||||
lpp.reset();
|
|
||||||
lpp.addTemperature(1, temp);
|
|
||||||
lpp.addRelativeHumidity(2, hum);
|
|
||||||
lpp.addBarometricPressure(3, pres);
|
|
||||||
lpp.addAnalogInput(4, voltage);
|
|
||||||
// Prepare upstream data transmission at the next possible time.
|
|
||||||
LMIC_setTxData2(1, lpp.getBuffer(), lpp.getSize(), 0);
|
|
||||||
Serial.println(F("Packet queued"));
|
|
||||||
}
|
|
||||||
// Next TX is scheduled after TX_COMPLETE event.
|
|
||||||
}
|
|
||||||
|
|
||||||
void setup() {
|
|
||||||
Serial.begin(9600);
|
|
||||||
Serial.println(F("Starting TTN Muc Cayenne Sensor 1"));
|
|
||||||
|
|
||||||
while(!bme.begin())
|
|
||||||
{
|
|
||||||
Serial.println("Could not find BME280 sensor!");
|
|
||||||
delay(1000);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
// LMIC init
|
|
||||||
os_init();
|
|
||||||
|
|
||||||
// Reset the MAC state. Session and pending data transfers will be discarded.
|
|
||||||
LMIC_reset();
|
|
||||||
|
|
||||||
// Let LMIC compensate for +/- 1% clock error
|
|
||||||
LMIC_setClockError(MAX_CLOCK_ERROR * 1 / 100);
|
|
||||||
|
|
||||||
// Start job (sending automatically starts OTAA too)
|
|
||||||
do_send(&sendjob);
|
|
||||||
}
|
|
||||||
|
|
||||||
void loop() {
|
|
||||||
os_runloop_once();
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue
Block a user