kopia lustrzana https://github.com/helium/longfi-arduino
321 wiersze
9.6 KiB
C++
321 wiersze
9.6 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015 Thomas Telkamp and Matthijs Kooijman
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* Copyright (c) 2018 Terry Moore, MCCI
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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. It's pre-configured for the Adafruit
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* Feather M0 LoRa.
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*
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*******************************************************************************/
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/*******************************************************************************
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*
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* For Helium developers, follow the Arduino Quickstart guide:
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* https://developer.helium.com/device/arduino-quickstart
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* TLDR: register your device on the console:
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* https://console.helium.com/devices
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*
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* The App EUI (as lsb) and App Key (as msb) get inserted below.
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*
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*******************************************************************************/
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#include <SPI.h>
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#include <arduino_lmic.h>
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#include <arduino_lmic_hal_boards.h>
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#include <arduino_lmic_hal_configuration.h>
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#include <arduino_lmic_lorawan_compliance.h>
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#include <arduino_lmic_user_configuration.h>
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#include <hal/hal.h>
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#include <lmic.h>
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// This is the "App EUI" in Helium. Make sure it is little-endian (lsb).
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static const u1_t PROGMEM APPEUI[8] = {FILL_ME_IN};
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void os_getArtEui(u1_t *buf) { memcpy_P(buf, APPEUI, 8); }
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// This should also be in little endian format
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// These are user configurable values and Helium console permits anything
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static const u1_t PROGMEM DEVEUI[8] = {FILL_ME_IN};
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void os_getDevEui(u1_t *buf) { memcpy_P(buf, DEVEUI, 8); }
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// This is the "App Key" in Helium. It is big-endian (msb).
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static const u1_t PROGMEM APPKEY[16] = {FILL_ME_IN};
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void os_getDevKey(u1_t *buf) { memcpy_P(buf, APPKEY, 16); }
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static uint8_t mydata[] = "Hello, world!";
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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 = 60;
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// Pin mapping
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//
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// Adafruit BSPs are not consistent -- m0 express defs ARDUINO_SAMD_FEATHER_M0,
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// m0 defs ADAFRUIT_FEATHER_M0
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//
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#if defined(ARDUINO_SAMD_FEATHER_M0) || defined(ADAFRUIT_FEATHER_M0)
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// Pin mapping for Adafruit Feather M0 LoRa, etc.
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const lmic_pinmap lmic_pins = {
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.nss = 8,
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.rxtx = LMIC_UNUSED_PIN,
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.rst = 4,
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.dio = {3, 6, LMIC_UNUSED_PIN},
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.rxtx_rx_active = 0,
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.rssi_cal = 8, // LBT cal for the Adafruit Feather M0 LoRa, in dB
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.spi_freq = 8000000,
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};
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#elif defined(ARDUINO_AVR_FEATHER32U4)
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// Pin mapping for Adafruit Feather 32u4 LoRa, etc.
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// Just like Feather M0 LoRa, but uses SPI at 1MHz; and that's only
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// because MCCI doesn't have a test board; probably higher frequencies
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// will work.
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const lmic_pinmap lmic_pins = {
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.nss = 8,
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.rxtx = LMIC_UNUSED_PIN,
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.rst = 4,
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.dio = {7, 6, LMIC_UNUSED_PIN},
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.rxtx_rx_active = 0,
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.rssi_cal = 8, // LBT cal for the Adafruit Feather 32U4 LoRa, in dB
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.spi_freq = 1000000,
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};
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#elif defined(ARDUINO_CATENA_4551)
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// Pin mapping for Murata module / Catena 4551
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const lmic_pinmap lmic_pins = {
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.nss = 7,
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.rxtx = 29,
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.rst = 8,
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.dio =
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{
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25, // DIO0 (IRQ) is D25
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26, // DIO1 is D26
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27, // DIO2 is D27
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},
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.rxtx_rx_active = 1,
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.rssi_cal = 10,
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.spi_freq = 8000000 // 8MHz
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};
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#elif defined(MCCI_CATENA_4610)
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#include "arduino_lmic_hal_boards.h"
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const lmic_pinmap lmic_pins = *Arduino_LMIC::GetPinmap_Catena4610();
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#elif defined(ARDUINO_DISCO_L072CZ_LRWAN1)
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const lmic_pinmap lmic_pins = *Arduino_LMIC::GetPinmap_Disco_L072cz_Lrwan1();
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#else
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#error "Unknown target"
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#endif
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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_JOIN_TXCOMPLETE:
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Serial.println(F("EV_JOIN_TXCOMPLETE"));
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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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{
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u4_t netid = 0;
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devaddr_t devaddr = 0;
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u1_t nwkKey[16];
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u1_t artKey[16];
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LMIC_getSessionKeys(&netid, &devaddr, nwkKey, artKey);
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Serial.print("netid: ");
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Serial.println(netid, DEC);
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Serial.print("devaddr: ");
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Serial.println(devaddr, HEX);
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Serial.print("artKey: ");
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for (size_t i = 0; i < sizeof(artKey); ++i) {
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if (i != 0)
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Serial.print("-");
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Serial.print(artKey[i], HEX);
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}
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Serial.println("");
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Serial.print("nwkKey: ");
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for (size_t i = 0; i < sizeof(nwkKey); ++i) {
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if (i != 0)
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Serial.print("-");
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Serial.print(nwkKey[i], HEX);
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}
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Serial.println("");
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}
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// Disable link check validation (automatically enabled
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// during join, but because slow data rates change max TX
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// size, we don't use it in this example.
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LMIC_setLinkCheckMode(0);
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break;
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/*
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|| This event is defined but not used in the code. No
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|| point in wasting codespace on it.
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||
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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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*/
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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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// Schedule next transmission
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os_setTimedCallback(&sendjob, os_getTime() + sec2osticks(TX_INTERVAL),
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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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/*
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|| This event is defined but not used in the code. No
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|| point in wasting codespace on it.
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||
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|| case EV_SCAN_FOUND:
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|| Serial.println(F("EV_SCAN_FOUND"));
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|| break;
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*/
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case EV_TXSTART:
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Serial.println(F("EV_TXSTART"));
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break;
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default:
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Serial.print(F("Unknown event: "));
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Serial.println((unsigned)ev);
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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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// Prepare upstream data transmission at the next possible time.
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LMIC_setTxData2(1, mydata, sizeof(mydata) - 1, 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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delay(5000);
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while (!Serial)
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;
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Serial.begin(9600);
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Serial.println(F("Starting"));
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#if defined(ARDUINO_DISCO_L072CZ_LRWAN1)
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SPI.setMOSI(RADIO_MOSI_PORT);
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SPI.setMISO(RADIO_MISO_PORT);
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SPI.setSCLK(RADIO_SCLK_PORT);
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SPI.setSSEL(RADIO_NSS_PORT);
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// SPI.begin();
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#endif
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#ifdef VCC_ENABLE
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// For Pinoccio Scout boards
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pinMode(VCC_ENABLE, OUTPUT);
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digitalWrite(VCC_ENABLE, HIGH);
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delay(1000);
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#endif
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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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// allow much more clock error than the X/1000 default. See:
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// https://github.com/mcci-catena/arduino-lorawan/issues/74#issuecomment-462171974
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// https://github.com/mcci-catena/arduino-lmic/commit/42da75b56#diff-16d75524a9920f5d043fe731a27cf85aL633
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// the X/1000 means an error rate of 0.1%; the above issue discusses using
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// values up to 10%. so, values from 10 (10% error, the most lax) to 1000
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// (0.1% error, the most strict) can be used.
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LMIC_setClockError(1 * MAX_CLOCK_ERROR / 40);
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LMIC_setLinkCheckMode(0);
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LMIC_setDrTxpow(DR_SF8, 20);
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// Sub-band 2 - Helium Network
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LMIC_selectSubBand(1); // zero indexed
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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() { os_runloop_once(); }
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namespace Arduino_LMIC {
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class HalConfiguration_Disco_L072cz_Lrwan1_t : public HalConfiguration_t {
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public:
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enum DIGITAL_PINS : uint8_t {
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PIN_SX1276_NSS = 37,
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PIN_SX1276_NRESET = 33,
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PIN_SX1276_DIO0 = 38,
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PIN_SX1276_DIO1 = 39,
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PIN_SX1276_DIO2 = 40,
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PIN_SX1276_RXTX = 21,
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};
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virtual bool queryUsingTcxo(void) override { return false; };
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};
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// save some typing by bringing the pin numbers into scope
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static HalConfiguration_Disco_L072cz_Lrwan1_t myConfig;
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static const HalPinmap_t myPinmap = {
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.nss = HalConfiguration_Disco_L072cz_Lrwan1_t::PIN_SX1276_NSS,
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.rxtx = HalConfiguration_Disco_L072cz_Lrwan1_t::PIN_SX1276_RXTX,
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.rst = HalConfiguration_Disco_L072cz_Lrwan1_t::PIN_SX1276_NRESET,
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.dio =
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{
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HalConfiguration_Disco_L072cz_Lrwan1_t::PIN_SX1276_DIO0,
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HalConfiguration_Disco_L072cz_Lrwan1_t::PIN_SX1276_DIO1,
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HalConfiguration_Disco_L072cz_Lrwan1_t::PIN_SX1276_DIO2,
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},
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.rxtx_rx_active = 1,
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.rssi_cal = 10,
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.spi_freq = 8000000, /* 8MHz */
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.pConfig = &myConfig};
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}; // end namespace Arduino_LMIC
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