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helium_mems.ino
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helium_mems.ino
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#include <SPI.h>
#include <arduino_lmic.h>
#include <arduino_lmic_hal_boards.h>
#include <arduino_lmic_hal_configuration.h>
#include <arduino_lmic_lorawan_compliance.h>
#include <arduino_lmic_user_configuration.h>
#include <hal/hal.h>
#include <lmic.h>
#include <CayenneLPP.h>
#include <LSM6DSOSensor.h>
#include <LIS2DW12Sensor.h>
#include <LIS2MDLSensor.h>
#include <LPS22HHSensor.h>
#include <STTS751Sensor.h>
#include <HTS221Sensor.h>
// This is the "App EUI" in Helium. Make sure it is little-endian (lsb).
static const u1_t PROGMEM APPEUI[8] = {FILL_ME_IN};
void os_getArtEui(u1_t *buf) { memcpy_P(buf, APPEUI, 8); }
// This should also be in little endian format
// These are user configurable values and Helium console permits anything
static const u1_t PROGMEM DEVEUI[8] = {FILL_ME_IN};
void os_getDevEui(u1_t *buf) { memcpy_P(buf, DEVEUI, 8); }
// This is the "App Key" in Helium. It is big-endian (msb).
static const u1_t PROGMEM APPKEY[16] = {FILL_ME_IN};
void os_getDevKey(u1_t *buf) { memcpy_P(buf, APPKEY, 16); }
static uint8_t mydata[] = "Hello, world!";
static osjob_t sendjob;
// Schedule TX every this many seconds (might become longer due to duty
// cycle limitations).
const unsigned TX_INTERVAL = 60;
// Pin mapping
//
// Adafruit BSPs are not consistent -- m0 express defs ARDUINO_SAMD_FEATHER_M0,
// m0 defs ADAFRUIT_FEATHER_M0
//
#if defined(ARDUINO_SAMD_FEATHER_M0) || defined(ADAFRUIT_FEATHER_M0)
// Pin mapping for Adafruit Feather M0 LoRa, etc.
const lmic_pinmap lmic_pins = {
.nss = 8,
.rxtx = LMIC_UNUSED_PIN,
.rst = 4,
.dio = {3, 6, LMIC_UNUSED_PIN},
.rxtx_rx_active = 0,
.rssi_cal = 8, // LBT cal for the Adafruit Feather M0 LoRa, in dB
.spi_freq = 8000000,
};
#elif defined(ARDUINO_AVR_FEATHER32U4)
// Pin mapping for Adafruit Feather 32u4 LoRa, etc.
// Just like Feather M0 LoRa, but uses SPI at 1MHz; and that's only
// because MCCI doesn't have a test board; probably higher frequencies
// will work.
const lmic_pinmap lmic_pins = {
.nss = 8,
.rxtx = LMIC_UNUSED_PIN,
.rst = 4,
.dio = {7, 6, LMIC_UNUSED_PIN},
.rxtx_rx_active = 0,
.rssi_cal = 8, // LBT cal for the Adafruit Feather 32U4 LoRa, in dB
.spi_freq = 1000000,
};
#elif defined(ARDUINO_CATENA_4551)
// Pin mapping for Murata module / Catena 4551
const lmic_pinmap lmic_pins = {
.nss = 7,
.rxtx = 29,
.rst = 8,
.dio =
{
25, // DIO0 (IRQ) is D25
26, // DIO1 is D26
27, // DIO2 is D27
},
.rxtx_rx_active = 1,
.rssi_cal = 10,
.spi_freq = 8000000 // 8MHz
};
#elif defined(MCCI_CATENA_4610)
#include "arduino_lmic_hal_boards.h"
const lmic_pinmap lmic_pins = *Arduino_LMIC::GetPinmap_Catena4610();
#elif defined(ARDUINO_DISCO_L072CZ_LRWAN1)
const lmic_pinmap lmic_pins = *Arduino_LMIC::GetPinmap_Disco_L072cz_Lrwan1();
#else
#error "Unknown target"
#endif
CayenneLPP lpp(24);
#ifdef ARDUINO_SAM_DUE
#define DEV_I2C Wire1
#elif defined(ARDUINO_ARCH_STM32)
#define DEV_I2C Wire
#elif defined(ARDUINO_ARCH_AVR)
#define DEV_I2C Wire
#else
#define DEV_I2C Wire
#endif
#define SerialPort Serial
// Components
LSM6DSOSensor *AccGyr;
LIS2DW12Sensor *Acc2;
LIS2MDLSensor *Mag;
LPS22HHSensor *PressTemp;
HTS221Sensor *HumTemp;
STTS751Sensor *Temp3;
#ifdef ARDUINO_ARCH_STM32
HardwareSerial Serial1(PA10, PA9);
#endif
#define MSG_SZ 256
#define waitForRequest 0
#define waitForAnswer 1
#ifdef ARDUINO_SAM_DUE
#include <avr/dtostrf.h>
#endif
void setup()
{
//Initialize serial port for user communication
Serial.begin(115200);
//Initialize serial port for device communication
Serial1.begin(9600);
Serial.println("Setup begin");
//Create the device object passing to it the serial interface
// Initialize I2C bus.
DEV_I2C.begin();
AccGyr = new LSM6DSOSensor (&DEV_I2C);
AccGyr->Enable_X();
AccGyr->Enable_G();
Acc2 = new LIS2DW12Sensor (&DEV_I2C);
Acc2->Enable_X();
Mag = new LIS2MDLSensor (&DEV_I2C);
Mag->Enable();
PressTemp = new LPS22HHSensor(&DEV_I2C);
PressTemp->Enable();
HumTemp = new HTS221Sensor (&DEV_I2C);
HumTemp->Enable();
Temp3 = new STTS751Sensor (&DEV_I2C);
Temp3->Enable();
delay(5000);
Serial.println(F("Starting"));
#if defined(ARDUINO_DISCO_L072CZ_LRWAN1)
SPI.setMOSI(RADIO_MOSI_PORT);
SPI.setMISO(RADIO_MISO_PORT);
SPI.setSCLK(RADIO_SCLK_PORT);
SPI.setSSEL(RADIO_NSS_PORT);
// SPI.begin();
#endif
#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();
// allow much more clock error than the X/1000 default. See:
// https://github.com/mcci-catena/arduino-lorawan/issues/74#issuecomment-462171974
// https://github.com/mcci-catena/arduino-lmic/commit/42da75b56#diff-16d75524a9920f5d043fe731a27cf85aL633
// the X/1000 means an error rate of 0.1%; the above issue discusses using
// values up to 10%. so, values from 10 (10% error, the most lax) to 1000
// (0.1% error, the most strict) can be used.
LMIC_setClockError(1 * MAX_CLOCK_ERROR / 40);
LMIC_setLinkCheckMode(0);
LMIC_setDrTxpow(DR_SF8, 20);
// Sub-band 2 - Helium Network
LMIC_selectSubBand(1); // zero indexed
// Start job (sending automatically starts OTAA too)
do_send(&sendjob);
}
void loop()
{
os_runloop_once();
}
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_JOIN_TXCOMPLETE:
Serial.println(F("EV_JOIN_TXCOMPLETE"));
break;
case EV_JOINED:
Serial.println(F("EV_JOINED"));
{
u4_t netid = 0;
devaddr_t devaddr = 0;
u1_t nwkKey[16];
u1_t artKey[16];
LMIC_getSessionKeys(&netid, &devaddr, nwkKey, artKey);
Serial.print("netid: ");
Serial.println(netid, DEC);
Serial.print("devaddr: ");
Serial.println(devaddr, HEX);
Serial.print("artKey: ");
for (size_t i = 0; i < sizeof(artKey); ++i) {
if (i != 0)
Serial.print("-");
Serial.print(artKey[i], HEX);
}
Serial.println("");
Serial.print("nwkKey: ");
for (size_t i = 0; i < sizeof(nwkKey); ++i) {
if (i != 0)
Serial.print("-");
Serial.print(nwkKey[i], HEX);
}
Serial.println("");
}
// Disable link check validation (automatically enabled
// during join, but because slow data rates change max TX
// size, we don't use it in this example.
LMIC_setLinkCheckMode(0);
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;
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;
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 {
float humidity = 0, temperature = 0;
HumTemp->GetHumidity(&humidity);
HumTemp->GetTemperature(&temperature);
// Read pressure and temperature.
float pressure = 0;
PressTemp->GetPressure(&pressure);
lpp.reset();
lpp.addTemperature(1, temperature);
lpp.addBarometricPressure(2, pressure);
lpp.addRelativeHumidity(3, humidity);
//LMIC_setTxData2(1, mydata, sizeof(mydata) - 1, 0);
LMIC_setTxData2(1, lpp.getBuffer(), lpp.getSize(), 0);
Serial.println(F("Packet queued"));
}
// Next TX is scheduled after TX_COMPLETE event.
}
namespace Arduino_LMIC {
class HalConfiguration_Disco_L072cz_Lrwan1_t : public HalConfiguration_t {
public:
enum DIGITAL_PINS : uint8_t {
PIN_SX1276_NSS = 37,
PIN_SX1276_NRESET = 33,
PIN_SX1276_DIO0 = 38,
PIN_SX1276_DIO1 = 39,
PIN_SX1276_DIO2 = 40,
PIN_SX1276_RXTX = 21,
};
virtual bool queryUsingTcxo(void) override { return false; };
};
// save some typing by bringing the pin numbers into scope
static HalConfiguration_Disco_L072cz_Lrwan1_t myConfig;
static const HalPinmap_t myPinmap = {
.nss = HalConfiguration_Disco_L072cz_Lrwan1_t::PIN_SX1276_NSS,
.rxtx = HalConfiguration_Disco_L072cz_Lrwan1_t::PIN_SX1276_RXTX,
.rst = HalConfiguration_Disco_L072cz_Lrwan1_t::PIN_SX1276_NRESET,
.dio =
{
HalConfiguration_Disco_L072cz_Lrwan1_t::PIN_SX1276_DIO0,
HalConfiguration_Disco_L072cz_Lrwan1_t::PIN_SX1276_DIO1,
HalConfiguration_Disco_L072cz_Lrwan1_t::PIN_SX1276_DIO2,
},
.rxtx_rx_active = 1,
.rssi_cal = 10,
.spi_freq = 8000000, /* 8MHz */
.pConfig = &myConfig};
}; // end namespace Arduino_LMIC