kopia lustrzana https://github.com/helium/longfi-arduino
updated example working
Kent Wiliams
rodzic
20fad3aa59
commit
215e4b4cbf
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@ -1,31 +1,30 @@
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#include <MicroNMEA.h>
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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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#include "LoRaWAN.h"
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#include "TimerMillis.h"
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#include <CayenneLPP.h>
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#include <MicroNMEA.h>
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const char *devEui = "FILL_ME_IN";
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const char *appEui = "FILL_ME_IN";
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const char *appKey = "FILL_ME_IN";
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const uint32_t TX_INTERVAL = 10000;
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TimerMillis timer_send;
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// Sensors
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float longitude_mdeg;
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float latitude_mdeg;
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long alt;
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// Define Serial1 for STM32 Nucleo boards
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#ifdef ARDUINO_ARCH_STM32
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HardwareSerial Serial1(PA10, PA9);
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#endif
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#define RESET_PIN 7
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// Refer to serial devices by use
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HardwareSerial &console = Serial;
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HardwareSerial &gps = Serial1;
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CayenneLPP lpp(51);
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static volatile bool uplink_attempted;
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// MicroNMEA library structures
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char nmeaBuffer[100];
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MicroNMEA nmea(nmeaBuffer, sizeof(nmeaBuffer));
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@ -51,212 +50,39 @@ void gpsHardwareReset() {
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delay(2000);
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}
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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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void setupGPS() {
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delay(3000);
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console.begin(115200); // console
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Serial.println("Starting GPS Example...");
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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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gps.begin(9600); // gps
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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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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, ledState);
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CayenneLPP lpp(51);
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static osjob_t sendjob;
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void do_send(osjob_t *j);
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// Start the module
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pinMode(RESET_PIN, OUTPUT);
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digitalWrite(RESET_PIN, HIGH);
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Serial.println();
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Serial.println("Resetting GPS module ...");
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gpsHardwareReset();
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Serial.println("done.");
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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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// Change the echoing messages to the ones recognized by the MicroNMEA library
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MicroNMEA::sendSentence(gps, "$PSTMSETPAR,1201,0x00000042");
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MicroNMEA::sendSentence(gps, "$PSTMSAVEPAR");
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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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#include "arduino_lmic_hal_boards.h"
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// Pin mapping Discovery
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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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// Reset the device so that the changes could take plaace
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MicroNMEA::sendSentence(gps, "$PSTMSRR");
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void printHex2(unsigned v) {
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v &= 0xff;
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if (v < 16)
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Serial.print('0');
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Serial.print(v, HEX);
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}
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delay(4000);
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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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{
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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("AppSKey: ");
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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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printHex2(artKey[i]);
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}
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Serial.println("");
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Serial.print("NwkSKey: ");
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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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printHex2(nwkKey[i]);
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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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|| case EV_RFU1:
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|| DEBUG_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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|| case EV_SCAN_FOUND:
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|| DEBUG_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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case EV_TXCANCELED:
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Serial.println(F("EV_TXCANCELED"));
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break;
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case EV_RXSTART:
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/* do not print anything -- it wrecks timing */
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break;
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case EV_JOIN_TXCOMPLETE:
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Serial.println(F("EV_JOIN_TXCOMPLETE: no JoinAccept"));
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break;
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// clear serial buffer
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while (gps.available())
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gps.read();
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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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pinMode(6, INPUT);
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attachInterrupt(digitalPinToInterrupt(6), ppsHandler, RISING);
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}
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void readGPS() {
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@ -336,82 +162,65 @@ void readGPS() {
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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, lpp.getBuffer(), lpp.getSize(), 0);
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Serial.println(F("Packet queued"));
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void async_timer_send() {
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if (LoRaWAN.joined() && !LoRaWAN.busy()) {
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Serial.println("Timer Send");
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// Send Packet
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LoRaWAN.sendPacket(1, lpp.getBuffer(), lpp.getSize());
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uplink_attempted = true;
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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(void) {
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delay(3000);
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console.begin(115200); // console
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Serial.println("Starting #IoTForGood GPS Example...");
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setupGPS();
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gps.begin(9600); // gps
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Serial.begin(9600);
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, ledState);
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while (!Serial) {
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}
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// Start the module
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pinMode(RESET_PIN, OUTPUT);
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digitalWrite(RESET_PIN, HIGH);
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Serial.println();
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Serial.println("Resetting GPS module ...");
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gpsHardwareReset();
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Serial.println("done.");
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// US Region
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LoRaWAN.begin(US915);
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// Helium SubBand
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LoRaWAN.setSubBand(2);
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// Disable Adaptive Data Rate
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LoRaWAN.setADR(false);
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// Device IDs and Key
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LoRaWAN.joinOTAA(appEui, appKey, devEui);
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// Change the echoing messages to the ones recognized by the MicroNMEA library
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MicroNMEA::sendSentence(gps, "$PSTMSETPAR,1201,0x00000042");
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MicroNMEA::sendSentence(gps, "$PSTMSAVEPAR");
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Serial.println("JOIN( )");
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// Reset the device so that the changes could take plaace
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MicroNMEA::sendSentence(gps, "$PSTMSRR");
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while (!LoRaWAN.joined() && LoRaWAN.busy()) {
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Serial.println("JOINING( )");
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delay(5000);
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}
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Serial.println("JOINED( )");
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delay(4000);
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// clear serial buffer
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while (gps.available())
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gps.read();
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pinMode(6, INPUT);
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attachInterrupt(digitalPinToInterrupt(6), ppsHandler, RISING);
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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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#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_SF7, 14);
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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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// Start Continuous Uplink Timer
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timer_send.start(async_timer_send, 0, TX_INTERVAL);
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}
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void loop(void) {
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os_runloop_once();
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if (uplink_attempted) {
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Serial.print("TRANSMIT( ");
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Serial.print("TimeOnAir: ");
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Serial.print(LoRaWAN.getTimeOnAir());
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Serial.print(", NextTxTime: ");
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Serial.print(LoRaWAN.getNextTxTime());
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Serial.print(", MaxPayloadSize: ");
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Serial.print(LoRaWAN.getMaxPayloadSize());
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Serial.print(", DR: ");
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Serial.print(LoRaWAN.getDataRate());
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Serial.print(", TxPower: ");
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Serial.print(LoRaWAN.getTxPower(), 1);
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Serial.print("dbm, UpLinkCounter: ");
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Serial.print(LoRaWAN.getUpLinkCounter());
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Serial.print(", DownLinkCounter: ");
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Serial.print(LoRaWAN.getDownLinkCounter());
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Serial.println(" )");
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uplink_attempted = false;
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}
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readGPS();
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}
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}
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