unixweb/ttgo-t-beam-gps-ttn-tracker
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #2 from Scobber/master

Browse Source 
Add LPP option for GPS data,
This commit is contained in:
Kyle Gabriel 2019-08-23 09:43:47 -04:00 committed by GitHub
commit a2b2d3411d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 192 additions and 130 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
main/configuration.h
View File

@ -26,7 +26,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <Arduino.h>
#include <lmic.h>
void ttn_register(void (*callback)(uint8_t message));
// -----------------------------------------------------------------------------
@ -40,10 +39,11 @@ void ttn_register(void (*callback)(uint8_t message));
// Configuration
// -----------------------------------------------------------------------------
#define USE_CAYENNE
#define DEBUG_PORT Serial // Serial debug port
#define SERIAL_BAUD 115200 // Serial debug baud rate
#define SLEEP_BETWEEN_MESSAGES 0 // Do sleep between messages
#define SEND_INTERVAL 30000 // Sleep for these many millis
#define SEND_INTERVAL 10000 // Sleep for these many millis
#define MESSAGE_TO_SLEEP_DELAY 5000 // Time after message before going to sleep
#define LOGO_DELAY 5000 // Time to show logo on first boot
#define LORAWAN_PORT 10 // Port the messages will be sent to
@ -94,6 +94,7 @@ void ttn_register(void (*callback)(uint8_t message));
#define GPS_RX_PIN 12
#define GPS_TX_PIN 15
#define GPS_BAUDRATE 9600
#define USE_GPS 1
// -----------------------------------------------------------------------------
// LoRa SPI

40
main/gps.ino
View File

@ -62,6 +62,44 @@ static void gps_loop() {
_gps.encode(_serial_gps.read());
}
}
#ifdef USE_CAYENNE
// CAYENNE DF
void buildPacket(uint8_t txBuffer[11])
{
sprintf(t, "Lat: %f", _gps.location.lat());
Serial.println(t);
sprintf(t, "Lng: %f", _gps.location.lng());
Serial.println(t);
sprintf(t, "Alt: %f", _gps.altitude.meters());
Serial.println(t);
int32_t lat = _gps.location.lat() * 10000;
int32_t lon = _gps.location.lng() * 10000;
int32_t alt = _gps.altitude.meters() * 100;
txBuffer[2] = lat >> 16;
txBuffer[3] = lat >> 8;
txBuffer[4] = lat;
txBuffer[5] = lon >> 16;
txBuffer[6] = lon >> 8;
txBuffer[7] = lon;
txBuffer[8] = alt >> 16;
txBuffer[9] = alt >> 8;
txBuffer[10] = alt;
/*
txBuffer[2] = ( LatitudeBinary >> 16 );// & 0xFF;
txBuffer[3] = ( LatitudeBinary >> 8 );// & 0xFF;
txBuffer[4] = LatitudeBinary;// & 0xFF;
txBuffer[5] = ( LongitudeBinary >> 16 ) & 0xFF;
txBuffer[6] = ( LongitudeBinary >> 8 ) & 0xFF;
txBuffer[7] = LongitudeBinary & 0xFF;
txBuffer[8] = Height >> 16;
txBuffer[9] = Height >> 8;
txBuffer[10] = Height;*/
}
#else
uint8_t txBuffer[9];
void buildPacket(uint8_t txBuffer[9])
{
@ -89,3 +127,5 @@ void buildPacket(uint8_t txBuffer[9])
hdopGps = _gps.hdop.value()/10;
txBuffer[8] = hdopGps & 0xFF;
}
#endif

3
main/lmic_project_config.h
View File

@ -6,7 +6,8 @@
// inside the project_config folder.
// Make sure only one of the following is defined (CFG_us915 or CFG_eu868)
#define CFG_us915 1
#define CFG_au915 1
//#define CFG_au923 1
//#define CFG_eu868 1
#define CFG_sx1276_radio 1

265
main/main.ino
View File

@ -1,185 +1,196 @@
/*
Main module
Main module
# Modified by Kyle T. Gabriel to fix issue with incorrect GPS data for TTNMapper
# Modified by Kyle T. Gabriel to fix issue with incorrect GPS data for TTNMapper
Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "configuration.h"
#include <rom/rtc.h>
#include "rom/rtc.h"
uint8_t txBuffer[9];
// Message counter, stored in RTC memory, survives deep sleep
RTC_DATA_ATTR uint32_t count = 0;
// -----------------------------------------------------------------------------
// Submodules
// -----------------------------------------------------------------------------
#include <TinyGPS++.h>
#ifdef USE_CAYENNE
// CAYENNE DF
static uint8_t txBuffer[11] = {0x03, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
#else
uint8_t txBuffer[9];
#endif
// -----------------------------------------------------------------------------
// Application
// -----------------------------------------------------------------------------
void send() {
char buffer[40];
snprintf(buffer, sizeof(buffer), "Latitude: %10.6f\n", gps_latitude());
screen_print(buffer);
snprintf(buffer, sizeof(buffer), "Longitude: %10.6f\n", gps_longitude());
screen_print(buffer);
snprintf(buffer, sizeof(buffer), "Error: %4.2fm\n", gps_hdop());
screen_print(buffer);
char buffer[40];
snprintf(buffer, sizeof(buffer), "Latitude: %10.6f\n", gps_latitude());
screen_print(buffer);
snprintf(buffer, sizeof(buffer), "Longitude: %10.6f\n", gps_longitude());
screen_print(buffer);
snprintf(buffer, sizeof(buffer), "Error: %4.2fm\n", gps_hdop());
screen_print(buffer);
buildPacket(txBuffer);
buildPacket(txBuffer);
#if LORAWAN_CONFIRMED_EVERY > 0
bool confirmed = (count % LORAWAN_CONFIRMED_EVERY == 0);
#else
bool confirmed = false;
#endif
#if LORAWAN_CONFIRMED_EVERY > 0
bool confirmed = (count % LORAWAN_CONFIRMED_EVERY == 0);
#else
bool confirmed = false;
#endif
ttn_cnt(count);
ttn_send(txBuffer, sizeof(txBuffer), LORAWAN_PORT, confirmed);
ttn_cnt(count);
ttn_send(txBuffer, sizeof(txBuffer), LORAWAN_PORT, confirmed);
count++;
count++;
}
void sleep() {
#if SLEEP_BETWEEN_MESSAGES
#if SLEEP_BETWEEN_MESSAGES
// Show the going to sleep message on the screen
char buffer[20];
snprintf(buffer, sizeof(buffer), "Sleeping in %3.1fs\n", (MESSAGE_TO_SLEEP_DELAY / 1000.0));
screen_print(buffer);
// Show the going to sleep message on the screen
char buffer[20];
snprintf(buffer, sizeof(buffer), "Sleeping in %3.1fs\n", (MESSAGE_TO_SLEEP_DELAY / 1000.0));
screen_print(buffer);
// Wait for MESSAGE_TO_SLEEP_DELAY millis to sleep
delay(MESSAGE_TO_SLEEP_DELAY);
// Wait for MESSAGE_TO_SLEEP_DELAY millis to sleep
delay(MESSAGE_TO_SLEEP_DELAY);
// Turn off screen
screen_off();
// Turn off screen
screen_off();
// Set the user button to wake the board
sleep_interrupt(BUTTON_PIN, LOW);
// Set the user button to wake the board
sleep_interrupt(BUTTON_PIN, LOW);
// We sleep for the interval between messages minus the current millis
// this way we distribute the messages evenly every SEND_INTERVAL millis
uint32_t sleep_for = (millis() < SEND_INTERVAL) ? SEND_INTERVAL - millis() : SEND_INTERVAL;
sleep_millis(sleep_for);
// We sleep for the interval between messages minus the current millis
// this way we distribute the messages evenly every SEND_INTERVAL millis
uint32_t sleep_for = (millis() < SEND_INTERVAL) ? SEND_INTERVAL - millis() : SEND_INTERVAL;
sleep_millis(sleep_for);
#endif
#endif
}
void callback(uint8_t message) {
if (EV_JOINING == message) screen_print("Joining TTN...\n");
if (EV_JOINED == message) screen_print("TTN joined!\n");
if (EV_JOIN_FAILED == message) screen_print("TTN join failed\n");
if (EV_REJOIN_FAILED == message) screen_print("TTN rejoin failed\n");
if (EV_RESET == message) screen_print("Reset TTN connection\n");
if (EV_LINK_DEAD == message) screen_print("TTN link dead\n");
if (EV_ACK == message) screen_print("ACK received\n");
if (EV_PENDING == message) screen_print("Message discarded\n");
if (EV_QUEUED == message) screen_print("Message queued\n");
if (EV_JOINING == message) screen_print("Joining TTN...\n");
if (EV_JOINED == message) screen_print("TTN joined!\n");
if (EV_JOIN_FAILED == message) screen_print("TTN join failed\n");
if (EV_REJOIN_FAILED == message) screen_print("TTN rejoin failed\n");
if (EV_RESET == message) screen_print("Reset TTN connection\n");
if (EV_LINK_DEAD == message) screen_print("TTN link dead\n");
if (EV_ACK == message) screen_print("ACK received\n");
if (EV_PENDING == message) screen_print("Message discarded\n");
if (EV_QUEUED == message) screen_print("Message queued\n");
if (EV_TXCOMPLETE == message) {
screen_print("Message sent\n");
sleep();
}
if (EV_RESPONSE == message) {
screen_print("[TTN] Response: ");
size_t len = ttn_response_len();
uint8_t data[len];
ttn_response(data, len);
char buffer[6];
for (uint8_t i=0; i<len; i++) {
snprintf(buffer, sizeof(buffer), "%02X", data[i]);
screen_print(buffer);
}
screen_print("\n");
if (EV_TXCOMPLETE == message) {
screen_print("Message sent\n");
sleep();
}
if (EV_RESPONSE == message) {
screen_print("[TTN] Response: ");
size_t len = ttn_response_len();
uint8_t data[len];
ttn_response(data, len);
char buffer[6];
for (uint8_t i = 0; i < len; i++) {
snprintf(buffer, sizeof(buffer), "%02X", data[i]);
screen_print(buffer);
}
screen_print("\n");
}
}
uint32_t get_count() {
return count;
return count;
}
void setup() {
// Debug
#ifdef DEBUG_PORT
DEBUG_PORT.begin(SERIAL_BAUD);
#endif
// Debug
#ifdef DEBUG_PORT
DEBUG_PORT.begin(SERIAL_BAUD);
#endif
// Buttons & LED
pinMode(BUTTON_PIN, INPUT_PULLUP);
pinMode(LED_PIN, OUTPUT);
// Buttons & LED
pinMode(BUTTON_PIN, INPUT_PULLUP);
pinMode(LED_PIN, OUTPUT);
// Hello
DEBUG_MSG(APP_NAME " " APP_VERSION "\n");
// Hello
DEBUG_MSG(APP_NAME " " APP_VERSION "\n");
// Display
screen_setup();
// Display
screen_setup();
// Init GPS
gps_setup();
// Init GPS
gps_setup();
// Show logo on first boot
if (0 == count) {
screen_print(APP_NAME " " APP_VERSION, 0, 0);
screen_show_logo();
screen_update();
delay(LOGO_DELAY);
}
// Show logo on first boot
if (0 == count) {
screen_print(APP_NAME " " APP_VERSION, 0, 0);
screen_show_logo();
screen_update();
delay(LOGO_DELAY);
}
// TTN setup
if (!ttn_setup()) {
screen_print("[ERR] Radio module not found!\n");
delay(MESSAGE_TO_SLEEP_DELAY);
screen_off();
sleep_forever();
}
// TTN setup
if (!ttn_setup()) {
screen_print("[ERR] Radio module not found!\n");
delay(MESSAGE_TO_SLEEP_DELAY);
screen_off();
sleep_forever();
}
ttn_register(callback);
ttn_join();
ttn_sf(LORAWAN_SF);
ttn_adr(LORAWAN_ADR);
ttn_register(callback);
ttn_join();
ttn_sf(LORAWAN_SF);
ttn_adr(LORAWAN_ADR);
}
void loop() {
gps_loop();
ttn_loop();
screen_loop();
gps_loop();
ttn_loop();
screen_loop();
// Send every SEND_INTERVAL millis
static uint32_t last = 0;
static bool first = true;
if (0 == last || millis() - last > SEND_INTERVAL) {
if (0 < gps_hdop() && gps_hdop() < 50 && gps_latitude() != 0 && gps_longitude() != 0) {
last = millis();
first = false;
send();
} else {
if (first) {
screen_print("Waiting GPS lock\n");
first = false;
}
if (millis() > GPS_WAIT_FOR_LOCK) {
sleep();
}
}
// Send every SEND_INTERVAL millis
static uint32_t last = 0;
static bool first = true;
if (0 == last || millis() - last > SEND_INTERVAL) {
if (0 < gps_hdop() && gps_hdop() < 50 && gps_latitude() != 0 && gps_longitude() != 0) {
last = millis();
first = false;
Serial.println("TRANSMITTING");
send();
} else {
if (first) {
screen_print("Waiting GPS lock\n");
first = false;
}
if (millis() > GPS_WAIT_FOR_LOCK) {
sleep();
}
}
}
}

9
main/ttn.ino
View File

@ -155,6 +155,14 @@ void ttn_join() {
// https://github.com/TheThingsNetwork/gateway-conf/blob/master/US-global_conf.json
LMIC_selectSubBand(1);
#elif defined(CFG_au915)
Serial.println("AU_915");
// NA-US channels 0-71 are configured automatically
// but only one group of 8 should (a subband) should be active
// TTN recommends the second sub band, 1 in a zero based count.
// https://github.com/TheThingsNetwork/gateway-conf/blob/master/US-global_conf.json
LMIC_selectSubBand(1);
#endif
// If using a mono-channel gateway disable all channels
@ -210,6 +218,7 @@ void ttn_send(uint8_t * data, uint8_t data_size, uint8_t port, bool confirmed){
// Prepare upstream data transmission at the next possible time.
// Parameters are port, data, length, confirmed
LMIC_setTxData2(port, data, data_size, confirmed ? 1 : 0);
_ttn_callback(EV_QUEUED);