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Tasmota/tasmota/tasmota_xsns_sensor/xsns_60_GPS.ino

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/*
xsns_60_GPS.ino - GPS UBLOX support for Tasmota
Copyright (C) 2021 Theo Arends, Christian Baars and Adrian Scillato
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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef USE_GPS
#if defined(ESP32) && defined(USE_FLOG)
#undef USE_FLOG
#warning FLOG deactivated on ESP32
#endif //ESP32
/*********************************************************************************************\
--------------------------------------------------------------------------------------------
Version Date Action Description
--------------------------------------------------------------------------------------------
0.9.3.0 20200214 integrate - fix set lat/lon via commandd 13, V-Port now works parallel
---
0.9.2.0 20200110 integrate - Added UART-over-TCP/IP-bridge (virtual serial port). Minor tweaks.
---
0.9.1.0 20191216 integrate - Added pin specifications from Tasmota WEB UI. Minor tweaks.
---
0.9.0.0 20190817 started - further development by Christian Baars - https://github.com/Staars/Sonoff-Tasmota
forked - from arendst/tasmota - https://github.com/arendst/Sonoff-Tasmota
base - code base from arendst and - https://www.youtube.com/watch?v=TwhCX0c8Xe0
## GPS-driver for the Ublox-series 6-8
Driver is tested on a NEO-6m and a Beitian-220. Series 7 should work too. This adds only about 6kb to the program size, because the efficient UBX-protocol is used. These modules are quite cheap, starting at about 3.50€ for the NEO-6m.
## Features:
- get position and time data
- sets system time automatically and Settings->latitude and Settings->longitude via command
- can log postion data with timestamp to flash with a small memory footprint of only 12 Bytes per record
- constructs a GPX-file for download of this data
- Web-UI
- simplified NTP-server and UART-over-TCP/IP-bridge (virtual serial port)
- command interface
## Usage:
The serial pins are GPS_RX and GPS_TX, no further installation steps needed. To get more debug information compile it with option "DEBUG_TASMOTA_SENSOR".
## Commands:
+ sensor60 0
write to all available sectors, then restart and overwrite the older ones
+ sensor60 1
write to all available sectors, then restart and overwrite the older ones
+ sensor60 2
filter out horizontal drift noise
+ sensor60 3
turn off noise filter
+ sensor60 4
start recording, new data will be appended
+ sensor60 5
start new recording, old data will lost
+ sensor60 6
stop recording, download link will be visible in Web-UI
+ sensor60 7
send mqtt on new postion + TELE -> consider to set TELE to a very high value
+ sensor60 8
only TELE message
+ sensor60 9
start NTP-server
+ sensor60 10
deactivate NTP-server
+ sensor60 11
force update of Tasmota-system-UTC with every new GPS-time-message
+ sensor60 12
do not update of Tasmota-system-UTC with every new GPS-time-message
+ sensor60 13
set latitude and longitude in settings
+ sensor60 14
open virtual serial port over TCP, usable for u-center
+ sensor60 15
pause virtual serial port over TCP
## Rules examples for SSD1306 32x128
rule1 on tele-GPS#lat do DisplayText [s1p21c1l01f1]LAT: %value% endon on tele-GPS#lon do DisplayText [s1p21c1l2]LON: %value% endon on switch1#state==3 do sensor60 4 endon on switch1#state==2 do sensor60 6 endon
rule2 on tele-GPS#int>9 do DisplayText [f0c9l4]I%value% endon on tele-GPS#int<10 do DisplayText [f0c9l4]I0%value% endon on tele-GPS#fil==1 do DisplayText [f0c18l4]F endon on tele-GPS#fil==0 do DisplayText [f0c18l4]N endon
rule3 on tele-FLOG#sec do DisplayText [f0c1l4]SAV:%value% endon on tele-FLOG#rec==1 do DisplayText [f0c1l4]REC: endon on tele-FLOG#mode do DisplayText [f0c14l4]M%value% endon
\*********************************************************************************************/
#define XSNS_60 60
#include "NTPServer.h"
#include "NTPPacket.h"
/*********************************************************************************************\
* constants
\*********************************************************************************************/
#define D_CMND_UBX "UBX"
const char S_JSON_UBX_COMMAND_NVALUE[] PROGMEM = "{\"" D_CMND_UBX "%s\":%d}";
const char kUBXTypes[] PROGMEM = "UBX";
#define UBX_LAT_LON_THRESHOLD 1000 // filter out some noise of local drift
#define UBX_SERIAL_BUFFER_SIZE 256
#define UBX_TCP_PORT 1234
#define NTP_MILLIS_OFFSET 50 // estimated latency in milliseconds
/********************************************************************************************\
| *globals
\*********************************************************************************************/
const char UBLOX_INIT[] PROGMEM = {
// Disable NMEA
0xB5,0x62,0x06,0x01,0x08,0x00,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x24, // GxGGA off
0xB5,0x62,0x06,0x01,0x08,0x00,0xF0,0x01,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x2B, // GxGLL off
0xB5,0x62,0x06,0x01,0x08,0x00,0xF0,0x02,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x32, // GxGSA off
0xB5,0x62,0x06,0x01,0x08,0x00,0xF0,0x03,0x00,0x00,0x00,0x00,0x00,0x01,0x03,0x39, // GxGSV off
0xB5,0x62,0x06,0x01,0x08,0x00,0xF0,0x04,0x00,0x00,0x00,0x00,0x00,0x01,0x04,0x40, // GxRMC off
0xB5,0x62,0x06,0x01,0x08,0x00,0xF0,0x05,0x00,0x00,0x00,0x00,0x00,0x01,0x05,0x47, // GxVTG off
// Disable UBX
0xB5,0x62,0x06,0x01,0x08,0x00,0x01,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x17,0xDC, //NAV-PVT off
0xB5,0x62,0x06,0x01,0x08,0x00,0x01,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x12,0xB9, //NAV-POSLLH off
0xB5,0x62,0x06,0x01,0x08,0x00,0x01,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x13,0xC0, //NAV-STATUS off
0xB5,0x62,0x06,0x01,0x08,0x00,0x01,0x21,0x00,0x00,0x00,0x00,0x00,0x00,0x31,0x92, //NAV-TIMEUTC off
// Enable UBX
// 0xB5,0x62,0x06,0x01,0x08,0x00,0x01,0x07,0x00,0x01,0x00,0x00,0x00,0x00,0x18,0xE1, //NAV-PVT on
0xB5,0x62,0x06,0x01,0x08,0x00,0x01,0x02,0x00,0x01,0x00,0x00,0x00,0x00,0x13,0xBE, //NAV-POSLLH on
0xB5,0x62,0x06,0x01,0x08,0x00,0x01,0x03,0x00,0x01,0x00,0x00,0x00,0x00,0x14,0xC5, //NAV-STATUS on
0xB5,0x62,0x06,0x01,0x08,0x00,0x01,0x21,0x00,0x01,0x00,0x00,0x00,0x00,0x32,0x97, //NAV-TIMEUTC on
// Rate - we will not reset it for the moment after restart
// 0xB5,0x62,0x06,0x08,0x06,0x00,0x64,0x00,0x01,0x00,0x01,0x00,0x7A,0x12, //(10Hz)
// 0xB5,0x62,0x06,0x08,0x06,0x00,0xC8,0x00,0x01,0x00,0x01,0x00,0xDE,0x6A, //(5Hz)
// 0xB5,0x62,0x06,0x08,0x06,0x00,0xE8,0x03,0x01,0x00,0x01,0x00,0x01,0x39 //(1Hz)
// 0xB5,0x62,0x06,0x08,0x06,0x00,0xD0,0x07,0x01,0x00,0x01,0x00,0xED,0xBD //(0.5Hz)
};
char UBX_name[4];
struct UBX_t {
const char UBX_HEADER[2] = { 0xB5, 0x62 }; // TODO: Check if we really save space here inside the struct
const char NAV_POSLLH_HEADER[2] = { 0x01, 0x02 };
const char NAV_STATUS_HEADER[2] = { 0x01, 0x03 };
const char NAV_TIME_HEADER[2] = { 0x01, 0x21 };
struct entry_t {
int32_t lat; //raw sensor value
int32_t lon; //raw sensor value
uint32_t time; //local time from system (maybe provided by the sensor)
};
union {
entry_t values;
uint8_t bytes[sizeof(entry_t)];
} rec_buffer;
struct POLL_MSG {
uint8_t cls;
uint8_t id;
uint16_t zero;
};
struct NAV_POSLLH {
uint8_t cls;
uint8_t id;
uint16_t len;
uint32_t iTOW;
int32_t lon;
int32_t lat;
int32_t alt;
int32_t hMSL;
uint32_t hAcc;
uint32_t vAcc;
};
struct NAV_STATUS {
uint8_t cls;
uint8_t id;
uint16_t len;
uint32_t iTOW;
uint8_t gpsFix;
uint8_t flags; //bit 0 - gpsfix valid
uint8_t fixStat;
uint8_t flags2;
uint32_t ttff;
uint32_t msss;
};
struct NAV_TIME_UTC {
uint8_t cls;
uint8_t id;
uint16_t len;
uint32_t iTOW;
uint32_t tAcc;
int32_t nano; // Nanoseconds of second, range -1e9 .. 1e9 (UTC)
uint16_t year;
uint8_t month;
uint8_t day;
uint8_t hour;
uint8_t min;
uint8_t sec;
struct {
uint8_t UTC:1;
uint8_t WKN:1; // week number
uint8_t TOW:1; // time of week
uint8_t padding:5;
} valid;
};
struct CFG_RATE {
uint8_t cls; //0x06
uint8_t id; //0x08
uint16_t len; // 6 bytes
uint16_t measRate; // in every ms -> 1 Hz = 1000 ms; 10 Hz = 100 ms -> x = 1000 ms / Hz
uint16_t navRate; // x measurements for 1 navigation event
uint16_t timeRef; // align to time system: 0= UTC, 1 = GPS, 2 = GLONASS, ...
char CK[2]; // checksum
};
struct {
uint32_t last_iTOW;
int32_t last_alt;
uint32_t last_hAcc;
uint32_t last_vAcc;
uint8_t gpsFix;
uint8_t non_empty_loops; // in case of an unintended reset of the GPS, the serial interface will get flooded with NMEA
uint16_t log_interval; // in tenth of seconds
int32_t timeOffset; // roughly computed offset millis() - iTOW
} state;
struct {
uint32_t init:1;
uint32_t filter_noise:1;
uint32_t send_when_new:1; // no teleinterval
uint32_t send_UI_only:1;
uint32_t runningNTP:1;
// uint32_t blockedNTP:1;
uint32_t forceUTCupdate:1;
uint32_t runningVPort:1;
// TODO: more to come
} mode;
union {
NAV_POSLLH navPosllh;
NAV_STATUS navStatus;
NAV_TIME_UTC navTime;
POLL_MSG pollMsg;
CFG_RATE cfgRate;
} Message;
uint32_t utc_time;
uint8_t TCPbuf[UBX_SERIAL_BUFFER_SIZE];
size_t TCPbufSize;
} UBX;
enum UBXMsgType {
MT_NONE,
MT_NAV_POSLLH,
MT_NAV_STATUS,
MT_NAV_TIME,
MT_POLL
};
#ifdef USE_FLOG
FLOG *Flog = nullptr;
#endif //USE_FLOG
TasmotaSerial *UBXSerial;
NtpServer timeServer(PortUdp);
WiFiServer vPortServer(UBX_TCP_PORT);
WiFiClient vPortClient;
/*********************************************************************************************\
* helper function
\*********************************************************************************************/
void UBXcalcChecksum(char* CK, size_t msgSize)
{
memset(CK, 0, 2);
for (int i = 0; i < msgSize; i++) {
CK[0] += ((char*)(&UBX.Message))[i];
CK[1] += CK[0];
}
}
bool UBXcompareMsgHeader(const char* msgHeader)
{
char* ptr = (char*)(&UBX.Message);
return ptr[0] == msgHeader[0] && ptr[1] == msgHeader[1];
}
void UBXinitCFG(void)
{
for (uint32_t i = 0; i < sizeof(UBLOX_INIT); i++) {
UBXSerial->write( pgm_read_byte(UBLOX_INIT+i) );
}
DEBUG_SENSOR_LOG(PSTR("UBX: turn off NMEA"));
}
void UBXsendCFGLine(uint8_t _line)
{
if (_line>sizeof(UBLOX_INIT)/16) return;
for (uint32_t i = 0; i < 16; i++) {
UBXSerial->write( pgm_read_byte(UBLOX_INIT+i+(_line*16)) );
}
DEBUG_SENSOR_LOG(PSTR("UBX: send line %u of UBLOX_INIT"), _line);
}
/********************************************************************************************/
void UBXDetect(void)
{
UBX.mode.init = 0;
if (PinUsed(GPIO_GPS_RX) && PinUsed(GPIO_GPS_TX)) {
UBXSerial = new TasmotaSerial(Pin(GPIO_GPS_RX), Pin(GPIO_GPS_TX), 1, 0, UBX_SERIAL_BUFFER_SIZE); // 64 byte buffer is NOT enough
if (UBXSerial->begin(9600)) {
DEBUG_SENSOR_LOG(PSTR("UBX: started serial"));
if (UBXSerial->hardwareSerial()) {
ClaimSerial();
DEBUG_SENSOR_LOG(PSTR("UBX: claim HW"));
}
}
}
else {
return;
}
UBXinitCFG(); // turn off NMEA, only use "our" UBX-messages
UBX.mode.init = 1;
#ifdef USE_FLOG
if (!Flog) {
Flog = new FLOG; // init Flash Log
Flog->init();
}
#endif // USE_FLOG
UBX.state.log_interval = 10; // 1 second
UBX.mode.send_UI_only = true; // send UI data ...
// MqttPublishTeleperiodSensor(); // ... once at after start (No MQTT ready yet so do NOT try to send)
}
uint32_t UBXprocessGPS()
{
static uint32_t fpos = 0;
static char checksum[2];
static uint8_t currentMsgType = MT_NONE;
static size_t payloadSize = sizeof(UBX.Message);
// DEBUG_SENSOR_LOG(PSTR("UBX: check for serial data"));
uint32_t data_bytes = 0;
while ( UBXSerial->available() ) {
data_bytes++;
byte c = UBXSerial->read();
if (UBX.mode.runningVPort){
UBX.TCPbuf[data_bytes-1] = c; // immediately copy byte to TCP-buf
UBX.TCPbufSize = data_bytes;
}
if ( fpos < 2 ) {
// For the first two bytes we are simply looking for a match with the UBX header bytes (0xB5,0x62)
if ( c == UBX.UBX_HEADER[fpos] ) {
fpos++;
} else {
fpos = 0; // Reset to beginning state.
}
} else {
// If we come here then fpos >= 2, which means we have found a match with the UBX_HEADER
// and we are now reading in the bytes that make up the payload.
// Place the incoming byte into the ubxMessage struct. The position is fpos-2 because
// the struct does not include the initial two-byte header (UBX_HEADER).
if ( (fpos-2) < payloadSize ) {
((char*)(&UBX.Message))[fpos-2] = c;
}
fpos++;
if ( fpos == 4 ) {
// We have just received the second byte of the message type header,
// so now we can check to see what kind of message it is.
if ( UBXcompareMsgHeader(UBX.NAV_POSLLH_HEADER) ) {
currentMsgType = MT_NAV_POSLLH;
payloadSize = sizeof(UBX_t::NAV_POSLLH);
DEBUG_SENSOR_LOG(PSTR("UBX: got NAV_POSLLH"));
}
else if ( UBXcompareMsgHeader(UBX.NAV_STATUS_HEADER) ) {
currentMsgType = MT_NAV_STATUS;
payloadSize = sizeof(UBX_t::NAV_STATUS);
DEBUG_SENSOR_LOG(PSTR("UBX: got NAV_STATUS"));
}
else if ( UBXcompareMsgHeader(UBX.NAV_TIME_HEADER) ) {
currentMsgType = MT_NAV_TIME;
payloadSize = sizeof(UBX_t::NAV_TIME_UTC);
DEBUG_SENSOR_LOG(PSTR("UBX: got NAV_TIME_UTC"));
}
else {
// unknown message type, bail
fpos = 0;
continue;
}
}
if ( fpos == (payloadSize+2) ) {
// All payload bytes have now been received, so we can calculate the
// expected checksum value to compare with the next two incoming bytes.
UBXcalcChecksum(checksum, payloadSize);
}
else if ( fpos == (payloadSize+3) ) {
// First byte after the payload, ie. first byte of the checksum.
// Does it match the first byte of the checksum we calculated?
if ( c != checksum[0] ) {
// Checksum doesn't match, reset to beginning state and try again.
fpos = 0;
}
}
else if ( fpos == (payloadSize+4) ) {
// Second byte after the payload, ie. second byte of the checksum.
// Does it match the second byte of the checksum we calculated?
fpos = 0; // We will reset the state regardless of whether the checksum matches.
if ( c == checksum[1] ) {
// Checksum matches, we have a valid message.
return currentMsgType;
}
}
else if ( fpos > (payloadSize+4) ) {
// We have now read more bytes than both the expected payload and checksum
// together, so something went wrong. Reset to beginning state and try again.
fpos = 0;
}
}
}
// DEBUG_SENSOR_LOG(PSTR("UBX: got none or unknown Message"));
if (data_bytes!=0) {
UBX.state.non_empty_loops++;
DEBUG_SENSOR_LOG(PSTR("UBX: got %u bytes, non-empty-loop: %u"), data_bytes, UBX.state.non_empty_loops);
} else {
UBX.state.non_empty_loops = 0; // now a hidden GPS-device reset is unlikely
}
return MT_NONE;
}
/********************************************************************************************\
| * callback functions for the download
\*********************************************************************************************/
#ifdef USE_FLOG
void UBXsendHeader(void)
{
Webserver->setContentLength(CONTENT_LENGTH_UNKNOWN);
Webserver->sendHeader(F("Content-Disposition"), F("attachment; filename=TASMOTA.gpx"));
WSSend(200, CT_APP_STREAM, F(
"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?>\r\n"
"<GPX version=\"1.1\" creator=\"TASMOTA\" xmlns=\"http://www.topografix.com/GPX/1/1\" \r\n"
"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n"
"xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd\">\r\n"
"<trk>\r\n<trkseg>\r\n"));
}
void UBXsendRecord(uint8_t *buf)
{
char record[100];
char stime[32];
UBX_t::entry_t *entry = (UBX_t::entry_t*)buf;
snprintf_P(stime, sizeof(stime), GetDT(entry->time).c_str());
char lat[12];
char lon[12];
dtostrfd((double)entry->lat/10000000.0f,7,lat);
dtostrfd((double)entry->lon/10000000.0f,7,lon);
snprintf_P(record, sizeof(record),PSTR("<trkpt\n\t lat=\"%s\" lon=\"%s\">\n\t<time>%s</time>\n</trkpt>\n"),lat ,lon, stime);
// DEBUG_SENSOR_LOG(PSTR("FLOG: DL %u %u"), Flog->sector.dword_buffer[k+j],Flog->sector.dword_buffer[k+j+1]);
Webserver->sendContent_P(record);
}
void UBXsendFooter(void)
{
Webserver->sendContent(F("</trkseg>\n</trk>\n</gpx>"));
Webserver->sendContent("");
Rtc.user_time_entry = false; // we have blocked the main loop and want a new valid time
}
/********************************************************************************************/
void UBXsendFile(void)
{
if (!HttpCheckPriviledgedAccess()) { return; }
Flog->startDownload(sizeof(UBX.rec_buffer),UBXsendHeader,UBXsendRecord,UBXsendFooter);
}
#endif //USE_FLOG
/********************************************************************************************/
void UBXSetRate(uint16_t interval)
{
UBX.Message.cfgRate.cls = 0x06;
UBX.Message.cfgRate.id = 0x08;
UBX.Message.cfgRate.len = 6;
uint32_t measRate = (1000*(uint32_t)interval); //seconds to milliseconds
if (measRate > 0xffff) {
measRate = 0xffff; // max. 65535 ms interval
}
UBX.Message.cfgRate.measRate = (uint16_t)measRate;
UBX.Message.cfgRate.navRate = 1;
UBX.Message.cfgRate.timeRef = 1;
UBXcalcChecksum(UBX.Message.cfgRate.CK, sizeof(UBX.Message.cfgRate)-sizeof(UBX.Message.cfgRate.CK));
DEBUG_SENSOR_LOG(PSTR("UBX: requested interval: %u seconds measRate: %u ms"), interval, UBX.Message.cfgRate.measRate);
UBXSerial->write(UBX.UBX_HEADER[0]);
UBXSerial->write(UBX.UBX_HEADER[1]);
for (uint32_t i =0; i<sizeof(UBX.Message.cfgRate); i++) {
UBXSerial->write(((uint8_t*)(&UBX.Message.cfgRate))[i]);
DEBUG_SENSOR_LOG(PSTR("UBX: cfgRate byte %u: %x"), i, ((uint8_t*)(&UBX.Message.cfgRate))[i]);
}
UBX.state.log_interval = 10*interval;
}
void UBXSelectMode(uint16_t mode)
{
DEBUG_SENSOR_LOG(PSTR("UBX: set mode to %u"),mode);
switch(mode){
#ifdef USE_FLOG
case 0:
Flog->mode = 0; // write once to all available sectors, then stop
break;
case 1:
Flog->mode = 1; // write to all available sectors, then restart and overwrite the older ones
break;
case 2:
UBX.mode.filter_noise = true; // filter out horizontal drift noise, TODO: find useful values
break;
case 3:
UBX.mode.filter_noise = false;
break;
case 4:
Flog->startRecording(true);
AddLog(LOG_LEVEL_INFO, PSTR("UBX: start recording - appending"));
break;
case 5:
Flog->startRecording(false);
AddLog(LOG_LEVEL_INFO, PSTR("UBX: start recording - new log"));
break;
case 6:
if(Flog->recording == true){
Flog->stopRecording();
}
AddLog(LOG_LEVEL_INFO, PSTR("UBX: stop recording"));
break;
#endif //USE_FLOG
case 7:
UBX.mode.send_when_new = 1; // send mqtt on new postion + TELE -> consider to set TELE to a very high value
break;
case 8:
UBX.mode.send_when_new = 0; // only TELE
break;
case 9:
if (timeServer.beginListening()) {
UBX.mode.runningNTP = true;
}
break;
case 10:
UBX.mode.runningNTP = false;
UBXsendCFGLine(10); //NAV-POSLLH on
UBXsendCFGLine(11); //NAV-STATUS on
break;
case 11:
UBX.mode.forceUTCupdate = true;
break;
case 12:
UBX.mode.forceUTCupdate = false;
break;
case 13:
Settings->latitude = UBX.rec_buffer.values.lat/10;
Settings->longitude = UBX.rec_buffer.values.lon/10;
break;
case 14:
vPortServer.begin();
UBX.mode.runningVPort = 1;
break;
case 15:
// vPortServer.stop(); // seems not to work reliably
UBX.mode.runningVPort = 0;
break;
default:
if (mode>1000 && mode <1066) {
UBXSetRate(mode-1000); // set interval between measurements in seconds from 1 to 65
}
break;
}
UBX.mode.send_UI_only = true;
MqttPublishTeleperiodSensor();
}
/********************************************************************************************/
bool UBXHandlePOSLLH()
{
DEBUG_SENSOR_LOG(PSTR("UBX: iTOW: %u"),UBX.Message.navPosllh.iTOW);
if (UBX.state.gpsFix>1) {
if (UBX.mode.filter_noise) {
if ((UBX.Message.navPosllh.lat-UBX.rec_buffer.values.lat<abs(UBX_LAT_LON_THRESHOLD))||(UBX.Message.navPosllh.lon-UBX.rec_buffer.values.lon<abs(UBX_LAT_LON_THRESHOLD))) {
DEBUG_SENSOR_LOG(PSTR("UBX: Diff lat: %u lon: %u "),UBX.Message.navPosllh.lat-UBX.rec_buffer.values.lat, UBX.Message.navPosllh.lon-UBX.rec_buffer.values.lon);
return false; //no new position
}
}
UBX.rec_buffer.values.lat = UBX.Message.navPosllh.lat;
UBX.rec_buffer.values.lon = UBX.Message.navPosllh.lon;
DEBUG_SENSOR_LOG(PSTR("UBX: lat/lon: %i / %i"), UBX.rec_buffer.values.lat, UBX.rec_buffer.values.lon);
DEBUG_SENSOR_LOG(PSTR("UBX: hAcc: %d"), UBX.Message.navPosllh.hAcc);
UBX.state.last_alt = UBX.Message.navPosllh.alt;
UBX.state.last_vAcc = UBX.Message.navPosllh.vAcc;
UBX.state.last_hAcc = UBX.Message.navPosllh.hAcc;
if (UBX.mode.send_when_new) {
MqttPublishTeleperiodSensor();
}
if (UBX.mode.runningNTP){ // after receiving pos-data at least once -> go to pure NTP-mode
UBXsendCFGLine(7); //NAV-POSLLH off
UBXsendCFGLine(8); //NAV-STATUS off
}
return true; // new position
} else {
DEBUG_SENSOR_LOG(PSTR("UBX: no valid position data"));
}
return false; // no GPS-fix
}
void UBXHandleSTATUS()
{
DEBUG_SENSOR_LOG(PSTR("UBX: gpsFix: %u, valid: %u"), UBX.Message.navStatus.gpsFix, (UBX.Message.navStatus.flags)&1);
if ((UBX.Message.navStatus.flags)&1) {
UBX.state.gpsFix = UBX.Message.navStatus.gpsFix; //only store fixed status if flag is valid
} else {
UBX.state.gpsFix = 0; // without valid flag, everything is "no fix"
}
}
void UBXHandleTIME()
{
DEBUG_SENSOR_LOG(PSTR("UBX: UTC-Time: %u-%u-%u %u:%u:%u"), UBX.Message.navTime.year, UBX.Message.navTime.month ,UBX.Message.navTime.day,UBX.Message.navTime.hour,UBX.Message.navTime.min,UBX.Message.navTime.sec);
if (UBX.Message.navTime.valid.UTC == 1) {
UBX.state.timeOffset = millis(); // iTOW%1000 should be 0 here, when NTP-server is enabled and in "pure mode"
DEBUG_SENSOR_LOG(PSTR("UBX: UTC-Time is valid"));
bool resync = (Rtc.utc_time > UBX.utc_time); // Sync local time every hour
if (Rtc.user_time_entry == false || UBX.mode.forceUTCupdate || UBX.mode.runningNTP || resync) {
TIME_T gpsTime;
gpsTime.year = UBX.Message.navTime.year - 1970;
gpsTime.month = UBX.Message.navTime.month;
gpsTime.day_of_month = UBX.Message.navTime.day;
gpsTime.hour = UBX.Message.navTime.hour;
gpsTime.minute = UBX.Message.navTime.min;
gpsTime.second = UBX.Message.navTime.sec;
UBX.rec_buffer.values.time = MakeTime(gpsTime);
if (UBX.mode.forceUTCupdate || (Rtc.user_time_entry == false) || resync) {
// AddLog(LOG_LEVEL_INFO, PSTR("UBX: UTC-Time is valid, set system time"));
UBX.utc_time = UBX.rec_buffer.values.time + 3600;
Rtc.utc_time = UBX.rec_buffer.values.time;
RtcSync("UBX");
}
Rtc.user_time_entry = true;
}
}
}
void UBXHandleOther(void)
{
if (UBX.state.non_empty_loops>6) { // we expect only 4-5 non-empty loops in a row, could change with other sensor speed (Hz)
if(UBX.mode.runningVPort) return;
UBXinitCFG(); // this should only happen with lots of NMEA-messages, but it is only a guess!!
AddLog(LOG_LEVEL_ERROR, PSTR("UBX: possible device-reset, will re-init"));
UBXSerial->flush();
UBX.state.non_empty_loops = 0;
}
}
/********************************************************************************************/
void UBXLoop50msec(void)
{
// handle virtual serial port
if (UBX.mode.runningVPort){
if(!vPortClient.connected()) {
vPortClient = vPortServer.available();
}
while(vPortClient.available()) {
byte _newByte = vPortClient.read();
UBXSerial->write(_newByte);
}
if (UBX.TCPbufSize!=0){
vPortClient.write((char*)UBX.TCPbuf, UBX.TCPbufSize);
UBX.TCPbufSize = 0;
}
}
// handle NTP-server
if(UBX.mode.runningNTP){
timeServer.processOneRequest(UBX.rec_buffer.values.time, UBX.state.timeOffset - NTP_MILLIS_OFFSET);
}
}
void UBXLoop(void)
{
static uint16_t counter; //count up every 100 msec
static bool new_position;
uint32_t msgType = UBXprocessGPS();
switch(msgType){
case MT_NAV_POSLLH:
new_position = UBXHandlePOSLLH();
break;
case MT_NAV_STATUS:
UBXHandleSTATUS();
break;
case MT_NAV_TIME:
UBXHandleTIME();
break;
default:
UBXHandleOther();
break;
}
#ifdef USE_FLOG
if (counter>UBX.state.log_interval) {
if (Flog->recording && new_position) {
UBX.rec_buffer.values.time = Rtc.local_time;
Flog->addToBuffer(UBX.rec_buffer.bytes, sizeof(UBX.rec_buffer.bytes));
counter = 0;
}
}
#endif // USE_FLOG
counter++;
}
/********************************************************************************************/
// normaly in i18n.h
#ifdef USE_WEBSERVER
// {s} = <tr><th>, {m} = </th><td>, {e} = </td></tr>
#ifdef USE_FLOG
#ifdef DEBUG_TASMOTA_SENSOR
const char HTTP_SNS_FLOGVER[] PROGMEM = "{s}<hr>{m}<hr>{e}{s} FLOG with %u sectors: {m}%u bytes{e}"
"{s} FLOG next sector for REC: {m} %u {e}"
"{s} %u sector(s) with data at sector: {m} %u {e}";
const char HTTP_SNS_FLOGREC[] PROGMEM = "{s} RECORDING (bytes in buffer) {m}%u{e}";
#endif // DEBUG_TASMOTA_SENSOR
const char HTTP_SNS_FLOG[] PROGMEM = "{s}<hr>{m}<hr>{e}{s} Flash-Log {m} %s{e}";
const char kFLOG_STATE0[] PROGMEM = "ready";
const char kFLOG_STATE1[] PROGMEM = "recording";
const char * kFLOG_STATE[] ={kFLOG_STATE0, kFLOG_STATE1};
const char HTTP_BTN_FLOG_DL[] PROGMEM = "<button><a href='/UBX'>Download GPX-File</a></button>";
#endif //USE_FLOG
const char HTTP_SNS_NTPSERVER[] PROGMEM = "{s} NTP server {m}active{e}";
const char HTTP_SNS_GPS[] PROGMEM = "{s} GPS latitude {m}%s{e}"
"{s} GPS longitude {m}%s{e}"
"{s} GPS altitude {m}%s m{e}"
"{s} GPS hor. Accuracy {m}%s m{e}"
"{s} GPS vert. Accuracy {m}%s m{e}"
"{s} GPS sat-fix status {m}%s{e}";
const char kGPSFix0[] PROGMEM = "no fix";
const char kGPSFix1[] PROGMEM = "dead reckoning only";
const char kGPSFix2[] PROGMEM = "2D-fix";
const char kGPSFix3[] PROGMEM = "3D-fix";
const char kGPSFix4[] PROGMEM = "GPS + dead reckoning combined";
const char kGPSFix5[] PROGMEM = "Time only fix";
const char * kGPSFix[] PROGMEM ={kGPSFix0, kGPSFix1, kGPSFix2, kGPSFix3, kGPSFix4, kGPSFix5};
// const char UBX_GOOGLE_MAPS[] ="<iframe width='100%%' src='https://maps.google.com/maps?width=&amp;height=&amp;hl=en&amp;q=%s %s+(Tasmota)&amp;ie=UTF8&amp;t=&amp;z=10&amp;iwloc=B&amp;output=embed' frameborder='0' scrolling='no' marginheight='0' marginwidth='0'></iframe>";
#endif // USE_WEBSERVER
/********************************************************************************************/
void UBXShow(bool json)
{
char lat[12];
char lon[12];
char alt[12];
char hAcc[12];
char vAcc[12];
dtostrfd((double)UBX.rec_buffer.values.lat/10000000.0f,7,lat);
dtostrfd((double)UBX.rec_buffer.values.lon/10000000.0f,7,lon);
dtostrfd((double)UBX.state.last_alt/1000.0f,3,alt);
dtostrfd((double)UBX.state.last_vAcc/1000.0f,3,hAcc);
dtostrfd((double)UBX.state.last_hAcc/1000.0f,3,vAcc);
if (json) {
ResponseAppend_P(PSTR(",\"GPS\":{"));
if (UBX.mode.send_UI_only) {
uint32_t i = UBX.state.log_interval / 10;
ResponseAppend_P(PSTR("\"fil\":%u,\"int\":%u}"), UBX.mode.filter_noise, i);
} else {
ResponseAppend_P(PSTR("\"lat\":%s,\"lon\":%s,\"alt\":%s,\"hAcc\":%s,\"vAcc\":%s}"), lat, lon, alt, hAcc, vAcc);
}
#ifdef USE_FLOG
ResponseAppend_P(PSTR(",\"FLOG\":{\"rec\":%u,\"mode\":%u,\"sec\":%u}"), Flog->recording, Flog->mode, Flog->sectors_left);
#endif //USE_FLOG
UBX.mode.send_UI_only = false;
#ifdef USE_WEBSERVER
} else {
WSContentSend_PD(HTTP_SNS_GPS, lat, lon, alt, hAcc, vAcc, kGPSFix[UBX.state.gpsFix]);
//WSContentSend_P(UBX_GOOGLE_MAPS, lat, lon);
#ifdef DEBUG_TASMOTA_SENSOR
#ifdef USE_FLOG
WSContentSend_PD(HTTP_SNS_FLOGVER, Flog->num_sectors, Flog->size, Flog->current_sector, Flog->sectors_left, Flog->sector.header.physical_start_sector);
if (Flog->recording) {
WSContentSend_PD(HTTP_SNS_FLOGREC, Flog->sector.header.buf_pointer - 8);
}
#endif //USE_FLOG
#endif // DEBUG_TASMOTA_SENSOR
#ifdef USE_FLOG
if (Flog->ready) {
WSContentSend_P(HTTP_SNS_FLOG,kFLOG_STATE[Flog->recording]);
}
if (!Flog->recording && Flog->found_saved_data) {
WSContentSend_P(HTTP_BTN_FLOG_DL);
}
#endif //USE_FLOG
if (UBX.mode.runningNTP) {
WSContentSend_P(HTTP_SNS_NTPSERVER);
}
#endif // USE_WEBSERVER
}
}
/*********************************************************************************************\
* check the UBX commands
\*********************************************************************************************/
bool UBXCmd(void)
{
bool serviced = true;
if (XdrvMailbox.data_len > 0) {
UBXSelectMode(XdrvMailbox.payload);
Response_P(S_JSON_UBX_COMMAND_NVALUE, XdrvMailbox.command, XdrvMailbox.payload);
}
return serviced;
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xsns60(uint32_t function)
{
bool result = false;
if (FUNC_INIT == function) {
UBXDetect();
}
if (UBX.mode.init) {
switch (function) {
case FUNC_COMMAND_SENSOR:
if (XSNS_60 == XdrvMailbox.index) {
result = UBXCmd();
}
break;
case FUNC_EVERY_50_MSECOND:
UBXLoop50msec(); // handles virtual serial port and NTP server
break;
case FUNC_EVERY_100_MSECOND:
#ifdef USE_FLOG
if (!Flog->running_download)
#endif //USE_FLOG
{
UBXLoop();
}
break;
#ifdef USE_FLOG
case FUNC_WEB_ADD_HANDLER:
WebServer_on(PSTR("/UBX"), UBXsendFile);
break;
#endif //USE_FLOG
case FUNC_JSON_APPEND:
UBXShow(1);
break;
#ifdef USE_WEBSERVER
case FUNC_WEB_SENSOR:
#ifdef USE_FLOG
if (!Flog->running_download)
#endif //USE_FLOG
{
UBXShow(0);
}
break;
#endif // USE_WEBSERVER
}
}
return result;
}
#endif // USE_GPS
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