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changed to serial comm for gps

pull/22/head
Kent Wiliams 2020-05-20 10:53:39 -07:00
rodzic 09b9968f4b
commit f578dadbd0
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ST-B-L072Z-LRWAN1/longfi-us915-cayenne-gnss/longfi-us915-cayenne-gnss.ino
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@ -1,72 +1,37 @@
/*******************************************************************************
* Copyright (c) 2015 Thomas Telkamp and Matthijs Kooijman
* Copyright (c) 2018 Terry Moore, MCCI
*
* Permission is hereby granted, free of charge, to anyone
* obtaining a copy of this document and accompanying files,
* to do whatever they want with them without any restriction,
* including, but not limited to, copying, modification and redistribution.
* NO WARRANTY OF ANY KIND IS PROVIDED.
*
* This example sends a valid LoRaWAN packet with payload "Hello,
* world!", using frequency and encryption settings matching those of
* the The Things Network. It's pre-configured for the Adafruit
* Feather M0 LoRa.
*
*******************************************************************************/
/*******************************************************************************
*
* For Helium developers, follow the Arduino Quickstart guide:
* https://developer.helium.com/device/arduino-quickstart
* TLDR: register your device on the Serial:
* https://Serial.helium.com/devices
*
* The App EUI (as lsb) and App Key (as msb) get inserted below.
*
*******************************************************************************/
#include <MicroNMEA.h>
#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 <MicroNMEA.h>
#include <Wire.h>
// I2C communication parameters
#define DEFAULT_DEVICE_ADDRESS 0x3A
#define DEFAULT_DEVICE_PORT 0xFF
#define I2C_DELAY 1
#define DEBUG
#ifdef DEBUG
#define DEBUG_PRINT(x) Serial.print(x)
#define DEBUG_PRINTLN(x) Serial.println(x)
#else
#define DEBUG_PRINT(x)
#define DEBUG_PRINTLN(x)
#endif
// Sensors
long longitude_mdeg;
long latitude_mdeg;
long alt;
// Define Serial1 for STM32 Nucleo boards
#ifdef ARDUINO_ARCH_STM32
HardwareSerial Serial1(PA10, PA9);
#endif
#define RESET_PIN 7
#define DEV_I2C Wire
// This is the "App EUI" in Helium. Make sure it is little-endian (lsb).
static const u1_t PROGMEM APPEUI[8] = {0};
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 Serial permits anything
static const u1_t PROGMEM DEVEUI[8] = {0};
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] = {0};
void os_getDevKey(u1_t *buf) { memcpy_P(buf, APPKEY, 16); }
CayenneLPP lpp(51);
TwoWire &gps = DEV_I2C;
// I2C read data structures
char buff[32];
int idx = 0;
// Refer to serial devices by use
HardwareSerial &console = Serial;
HardwareSerial &gps = Serial1;
// MicroNMEA library structures
char nmeaBuffer[100];
MicroNMEA nmea(nmeaBuffer, sizeof(nmeaBuffer));
@ -74,12 +39,74 @@ bool ledState = LOW;
volatile bool ppsTriggered = false;
void ppsHandler(void);
void ppsHandler(void) { ppsTriggered = true; }
void gpsHardwareReset() {
// Empty input buffer
while (gps.available())
gps.read();
// reset the device
digitalWrite(RESET_PIN, LOW);
delay(50);
digitalWrite(RESET_PIN, HIGH);
// wait for reset to apply
delay(2000);
}
//
// For normal use, we require that you edit the sketch to replace FILLMEIN
// with values assigned by the TTN console. However, for regression tests,
// we want to be able to compile these scripts. The regression tests define
// COMPILE_REGRESSION_TEST, and in that case we define FILLMEIN to a non-
// working but innocuous value.
//
#ifdef COMPILE_REGRESSION_TEST
#define FILLMEIN 0
#else
#warning \
"You must replace the values marked FILLMEIN with real values from the TTN control panel!"
#define FILLMEIN (#dont edit this, edit the lines that use FILLMEIN)
#endif
// This EUI must be in little-endian format, so least-significant-byte
// first. When copying an EUI from ttnctl output, this means to reverse
// the bytes. For TTN issued EUIs the last bytes should be 0xD5, 0xB3,
// 0x70.
static const u1_t PROGMEM APPEUI[8] = {FILL_ME_IN};
void os_getArtEui(u1_t *buf) { memcpy_P(buf, APPEUI, 8); }
//// 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, see above.
static const u1_t PROGMEM DEVEUI[8] = {FILL_ME_IN};
void os_getDevEui(u1_t *buf) { memcpy_P(buf, DEVEUI, 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 key should be in big endian format (or, since it is not really a
// number but a block of memory, endianness does not really apply). In
// practice, a key taken from the TTN console can be copied as-is.
static const u1_t PROGMEM APPKEY[16] = {FILL_ME_IN};
void os_getDevKey(u1_t *buf) { memcpy_P(buf, APPKEY, 16); }
//// 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); }
CayenneLPP lpp(51);
static osjob_t sendjob;
void do_send(osjob_t *j);
// Schedule TX every this many seconds (might become longer due to duty
// cycle limitations).
const unsigned TX_INTERVAL = 60;
const unsigned TX_INTERVAL = 10;
// Pin mapping
//
@ -131,65 +158,38 @@ const lmic_pinmap lmic_pins = {
#include "arduino_lmic_hal_boards.h"
const lmic_pinmap lmic_pins = *Arduino_LMIC::GetPinmap_Catena4610();
#elif defined(ARDUINO_DISCO_L072CZ_LRWAN1)
#include "arduino_lmic_hal_boards.h"
// Pin mapping Discovery
const lmic_pinmap lmic_pins = *Arduino_LMIC::GetPinmap_Disco_L072cz_Lrwan1();
#else
#error "Unknown target"
#endif
void ppsHandler(void) { ppsTriggered = true; }
void gpsHardwareReset() {
// reset the device
digitalWrite(RESET_PIN, LOW);
delay(50);
digitalWrite(RESET_PIN, HIGH);
// wait for reset to apply
delay(2000);
}
// Read 32 bytes from I2C
void readI2C(char *inBuff) {
gps.beginTransmission(DEFAULT_DEVICE_ADDRESS);
gps.write((uint8_t)DEFAULT_DEVICE_PORT);
gps.endTransmission(false);
gps.requestFrom((uint8_t)DEFAULT_DEVICE_ADDRESS, (uint8_t)32);
int i = 0;
while (gps.available()) {
inBuff[i] = gps.read();
i++;
}
}
// Send a NMEA command via I2C
void sendCommand(char *cmd) {
gps.beginTransmission(DEFAULT_DEVICE_ADDRESS);
gps.write((uint8_t)DEFAULT_DEVICE_PORT);
MicroNMEA::sendSentence(gps, cmd);
gps.endTransmission(true);
void printHex2(unsigned v) {
v &= 0xff;
if (v < 16)
Serial.print('0');
Serial.print(v, HEX);
}
void onEvent(ev_t ev) {
Serial.print(os_getTime());
Serial.print(": ");
DEBUG_PRINT(os_getTime());
DEBUG_PRINT(": ");
switch (ev) {
case EV_SCAN_TIMEOUT:
Serial.println(F("EV_SCAN_TIMEOUT"));
DEBUG_PRINTLN(F("EV_SCAN_TIMEOUT"));
break;
case EV_BEACON_FOUND:
Serial.println(F("EV_BEACON_FOUND"));
DEBUG_PRINTLN(F("EV_BEACON_FOUND"));
break;
case EV_BEACON_MISSED:
Serial.println(F("EV_BEACON_MISSED"));
DEBUG_PRINTLN(F("EV_BEACON_MISSED"));
break;
case EV_BEACON_TRACKED:
Serial.println(F("EV_BEACON_TRACKED"));
DEBUG_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"));
DEBUG_PRINTLN(F("EV_JOINING"));
break;
case EV_JOINED:
Serial.println(F("EV_JOINED"));
@ -203,20 +203,20 @@ void onEvent(ev_t ev) {
Serial.println(netid, DEC);
Serial.print("devaddr: ");
Serial.println(devaddr, HEX);
Serial.print("artKey: ");
Serial.print("AppSKey: ");
for (size_t i = 0; i < sizeof(artKey); ++i) {
if (i != 0)
Serial.print("-");
Serial.print(artKey[i], HEX);
printHex2(artKey[i]);
}
Serial.println("");
Serial.print("nwkKey: ");
Serial.print("NwkSKey: ");
for (size_t i = 0; i < sizeof(nwkKey); ++i) {
if (i != 0)
Serial.print("-");
Serial.print(nwkKey[i], HEX);
printHex2(nwkKey[i]);
}
Serial.println("");
Serial.println();
}
// Disable link check validation (automatically enabled
// during join, but because slow data rates change max TX
@ -224,12 +224,12 @@ void onEvent(ev_t ev) {
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;
|| This event is defined but not used in the code. No
|| point in wasting codespace on it.
||
|| case EV_RFU1:
|| DEBUG_PRINTLN(F("EV_RFU1"));
|| break;
*/
case EV_JOIN_FAILED:
Serial.println(F("EV_JOIN_FAILED"));
@ -268,16 +268,26 @@ void onEvent(ev_t ev) {
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;
|| This event is defined but not used in the code. No
|| point in wasting codespace on it.
||
|| case EV_SCAN_FOUND:
|| DEBUG_PRINTLN(F("EV_SCAN_FOUND"));
|| break;
*/
case EV_TXSTART:
Serial.println(F("EV_TXSTART"));
break;
case EV_TXCANCELED:
Serial.println(F("EV_TXCANCELED"));
break;
case EV_RXSTART:
/* do not print anything -- it wrecks timing */
break;
case EV_JOIN_TXCOMPLETE:
Serial.println(F("EV_JOIN_TXCOMPLETE: no JoinAccept"));
break;
default:
Serial.print(F("Unknown event: "));
Serial.println((unsigned)ev);
@ -286,7 +296,7 @@ void onEvent(ev_t ev) {
}
void readGPS() {
// If a message is recieved print all the informations
// If a message is received, print all the info
if (ppsTriggered) {
ppsTriggered = false;
ledState = !ledState;
@ -296,99 +306,90 @@ void readGPS() {
lpp.reset();
// Output GPS information from previous second
Serial.print("Valid fix: ");
Serial.println(nmea.isValid() ? "yes" : "no");
DEBUG_PRINT("Valid fix: ");
DEBUG_PRINTLN(nmea.isValid() ? "yes" : "no");
Serial.print("Nav. system: ");
DEBUG_PRINT("Nav. system: ");
if (nmea.getNavSystem())
Serial.println(nmea.getNavSystem());
DEBUG_PRINTLN(nmea.getNavSystem());
else
Serial.println("none");
DEBUG_PRINTLN("none");
Serial.print("Num. satellites: ");
Serial.println(nmea.getNumSatellites());
DEBUG_PRINT("Num. satellites: ");
DEBUG_PRINTLN(nmea.getNumSatellites());
Serial.print("HDOP: ");
Serial.println(nmea.getHDOP() / 10., 1);
DEBUG_PRINT("HDOP: ");
DEBUG_PRINTLN(nmea.getHDOP() / 10.); //, 1);
Serial.print("Date/time: ");
Serial.print(nmea.getYear());
Serial.print('-');
Serial.print(int(nmea.getMonth()));
Serial.print('-');
Serial.print(int(nmea.getDay()));
Serial.print('T');
Serial.print(int(nmea.getHour()));
Serial.print(':');
Serial.print(int(nmea.getMinute()));
Serial.print(':');
Serial.println(int(nmea.getSecond()));
DEBUG_PRINT("Date/time: ");
DEBUG_PRINT(nmea.getYear());
DEBUG_PRINT('-');
DEBUG_PRINT(int(nmea.getMonth()));
DEBUG_PRINT('-');
DEBUG_PRINT(int(nmea.getDay()));
DEBUG_PRINT('T');
DEBUG_PRINT(int(nmea.getHour()));
DEBUG_PRINT(':');
DEBUG_PRINT(int(nmea.getMinute()));
DEBUG_PRINT(':');
DEBUG_PRINTLN(int(nmea.getSecond()));
long latitude_mdeg = nmea.getLatitude();
long longitude_mdeg = nmea.getLongitude();
Serial.print("Latitude (deg): ");
Serial.println(latitude_mdeg / 1000000., 6);
latitude_mdeg = nmea.getLatitude();
longitude_mdeg = nmea.getLongitude();
Serial.print("Longitude (deg): ");
Serial.println(longitude_mdeg / 1000000., 6);
DEBUG_PRINT("Latitude (deg): ");
DEBUG_PRINTLN(latitude_mdeg / 1000000.); //, 6);
long alt;
Serial.print("Altitude (m): ");
DEBUG_PRINT("Longitude (deg): ");
DEBUG_PRINTLN(longitude_mdeg / 1000000.); //, 6);
// long alt;
DEBUG_PRINT("Altitude (m): ");
if (nmea.getAltitude(alt))
Serial.println(alt / 1000., 3);
DEBUG_PRINTLN(alt / 1000.); //, 3);
else
Serial.println("not available");
DEBUG_PRINTLN("not available");
// Pack CayenneLPP Payload
lpp.addGPS(1, latitude_mdeg, longitude_mdeg, alt);
lpp.addGPS(1, latitude_mdeg / 1000000, longitude_mdeg / 1000000,
alt / 1000);
Serial.print("Speed: ");
Serial.println(nmea.getSpeed() / 1000., 3);
Serial.print("Course: ");
Serial.println(nmea.getCourse() / 1000., 3);
Serial.println("-----------------------");
DEBUG_PRINT("Speed: ");
DEBUG_PRINTLN(nmea.getSpeed() / 1000.); //, 3);
DEBUG_PRINT("Course: ");
DEBUG_PRINTLN(nmea.getCourse() / 1000.); //, 3);
DEBUG_PRINTLN("-----------------------");
nmea.clear();
}
while (!ppsTriggered) {
char c;
if (idx == 0) {
readI2C(buff);
delay(I2C_DELAY);
}
// While the message isn't complete
while (!ppsTriggered && gps.available()) {
// Fetch the character one by one
c = buff[idx];
idx++;
idx %= 32;
// If we have a valid character pass it to the library
if ((uint8_t)c != 0xFF) {
Serial.print(c);
nmea.process(c);
}
char c = gps.read();
DEBUG_PRINT(c);
// Pass the character to the library
nmea.process(c);
}
}
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"));
DEBUG_PRINTLN(F("OP_TXRXPEND, not sending"));
} else {
// Prepare upstream data transmission at the next possible time.
LMIC_setTxData2(1, lpp.getBuffer(), lpp.getSize(), 0);
Serial.println(F("Packet queued"));
DEBUG_PRINTLN(F("Packet queued"));
}
// Next TX is scheduled after TX_COMPLETE event.
}
void setup() {
delay(2000);
while (!Serial)
;
Serial.begin(9600);
Serial.println(F("Starting"));
void setup(void) {
delay(3000);
console.begin(115200); // console
DEBUG_PRINTLN("Starting #IoTForGood GPS Example...");
// Start GPS Setup
gps.begin();
gps.begin(9600); // gps
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, ledState);
@ -396,44 +397,32 @@ void setup() {
// Start the module
pinMode(RESET_PIN, OUTPUT);
digitalWrite(RESET_PIN, HIGH);
Serial.println("Resetting GPS module ...");
DEBUG_PRINTLN("Resetting GPS module ...");
gpsHardwareReset();
Serial.println("... done");
DEBUG_PRINTLN("... done");
// Change the echoing messages to the ones recognized by the MicroNMEA library
sendCommand((char *)"$PSTMSETPAR,1231,0x00000042");
sendCommand((char *)"$PSTMSAVEPAR");
MicroNMEA::sendSentence(gps, "$PSTMSETPAR,1201,0x00000042");
MicroNMEA::sendSentence(gps, "$PSTMSAVEPAR");
// Reset the device so that the changes could take plaace
sendCommand((char *)"$PSTMSRR");
MicroNMEA::sendSentence(gps, "$PSTMSRR");
delay(4000);
// Reinitialize I2C after the reset
gps.begin();
// clear serial buffer
while (gps.available())
gps.read();
// clear i2c buffer
char c;
idx = 0;
memset(buff, 0, 32);
do {
if (idx == 0) {
readI2C(buff);
delay(I2C_DELAY);
}
c = buff[idx];
idx++;
idx %= 32;
} while ((uint8_t)c != 0xFF);
pinMode(2, INPUT);
attachInterrupt(digitalPinToInterrupt(2), ppsHandler, RISING);
// End GPS Setup
pinMode(6, INPUT);
attachInterrupt(digitalPinToInterrupt(6), ppsHandler, RISING);
#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);
#endif
// LMIC init
os_init();
@ -449,7 +438,7 @@ void setup() {
LMIC_setClockError(1 * MAX_CLOCK_ERROR / 40);
LMIC_setLinkCheckMode(0);
LMIC_setDrTxpow(DR_SF8, 20);
LMIC_setDrTxpow(DR_SF7, 14);
// Sub-band 2 - Helium Network
LMIC_selectSubBand(1); // zero indexed
@ -457,43 +446,7 @@ void setup() {
do_send(&sendjob);
}
void loop() {
void loop(void) {
os_runloop_once();
readGPS();
}
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
}