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Merge pull request #2 from Scobber/master

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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
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 192 additions and 130 deletions
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5
main/configuration.h
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@ -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
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@ -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
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@ -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

15
main/main.ino
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@ -22,12 +22,22 @@ 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
@ -171,6 +181,7 @@ void loop() {
if (0 < gps_hdop() && gps_hdop() < 50 && gps_latitude() != 0 && gps_longitude() != 0) {
last = millis();
first = false;
Serial.println("TRANSMITTING");
send();
} else {
if (first) {

9
main/ttn.ino
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@ -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);