Tobias Jansen / Mbed OS Lorawan_Version_0_1

This is an example application based on Mbed-OS LoRaWAN protocol APIs. The Mbed-OS LoRaWAN stack implementation is compliant with LoRaWAN v1.0.2 specification.

Dependencies:   Lorawan_Version_0_1

Dependents:   Lorawan_Version_0_1

GPS/GPS.cpp@68:41fff9c3fb4f, 2020-01-17 (annotated)

Committer:
jacktractive
Date:
Fri Jan 17 13:46:31 2020 +0000
Revision:
68:41fff9c3fb4f
Parent:
67:7bb75ed97500
Child:
69:316fee01f5d9
Events an funktionen uebergeben

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jacktractive 61:2b30d8e75fe7 1 /* mbed GPS Module Library
jacktractive 61:2b30d8e75fe7 2 * Copyright (c) 2008-2010, sford
jacktractive 61:2b30d8e75fe7 3 * Copyright (c) 2013, B.Adryan
jacktractive 61:2b30d8e75fe7 4 *
jacktractive 61:2b30d8e75fe7 5 * Permission is hereby granted, free of charge, to any person obtaining a copy
jacktractive 61:2b30d8e75fe7 6 * of this software and associated documentation files (the "Software"), to deal
jacktractive 61:2b30d8e75fe7 7 * in the Software without restriction, including without limitation the rights
jacktractive 61:2b30d8e75fe7 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
jacktractive 61:2b30d8e75fe7 9 * copies of the Software, and to permit persons to whom the Software is
jacktractive 61:2b30d8e75fe7 10 * furnished to do so, subject to the following conditions:
jacktractive 61:2b30d8e75fe7 11 *
jacktractive 61:2b30d8e75fe7 12 * The above copyright notice and this permission notice shall be included in
jacktractive 61:2b30d8e75fe7 13 * all copies or substantial portions of the Software.
jacktractive 61:2b30d8e75fe7 14 *
jacktractive 61:2b30d8e75fe7 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
jacktractive 61:2b30d8e75fe7 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
jacktractive 61:2b30d8e75fe7 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
jacktractive 61:2b30d8e75fe7 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
jacktractive 61:2b30d8e75fe7 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jacktractive 61:2b30d8e75fe7 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
jacktractive 61:2b30d8e75fe7 21 * THE SOFTWARE.
jacktractive 61:2b30d8e75fe7 22 */
jacktractive 61:2b30d8e75fe7 23
jacktractive 61:2b30d8e75fe7 24 #include "GPS.h"
jacktractive 62:35d41c8b9419 25 int i ;
jacktractive 61:2b30d8e75fe7 26 GPS::GPS(PinName tx, PinName rx, int Baud) : _gps(tx, rx)
jacktractive 61:2b30d8e75fe7 27 {
jacktractive 61:2b30d8e75fe7 28 _gps.baud(Baud);
jacktractive 61:2b30d8e75fe7 29 longitude = 0.0;
jacktractive 61:2b30d8e75fe7 30 latitude = 0.0;
jacktractive 66:a11c79073f1f 31 //_gps.printf("$$PMTK161,0*28\r\n"); //sleep
jacktractive 64:85fa08519e1e 32 //_gps.printf("$$PMTK161,1*28\r\n"); //wake up
jacktractive 61:2b30d8e75fe7 33 }
jacktractive 61:2b30d8e75fe7 34
jacktractive 66:a11c79073f1f 35
jacktractive 66:a11c79073f1f 36 void GPS::GPS_OFF()
jacktractive 66:a11c79073f1f 37 {
jacktractive 66:a11c79073f1f 38
jacktractive 66:a11c79073f1f 39
jacktractive 66:a11c79073f1f 40
jacktractive 66:a11c79073f1f 41 uint8_t GPSoff[] = {0xB5, 0x62, 0x06, 0x04, 0x04, 0x00, 0x00, 0x00,0x08, 0x00, 0x16, 0x74};
jacktractive 66:a11c79073f1f 42 uint8_t GPSon[] = {0xB5, 0x62, 0x06, 0x04, 0x04, 0x00, 0x00, 0x00,0x09, 0x00, 0x17, 0x76};
jacktractive 66:a11c79073f1f 43 uint8_t GPS_Powersafemode[] = {0xB5, 0x62, 0x06, 0x11, 0x02, 0x00, 0x08, 0x01, 0x22, 0x92};
jacktractive 66:a11c79073f1f 44
jacktractive 66:a11c79073f1f 45 uint8_t GPS_MaxPerformance[] = {0xB5, 0x62, 0x06, 0x11, 0x02, 0x00, 0x08, 0x00, 0x21, 0x91};
jacktractive 66:a11c79073f1f 46
jacktractive 66:a11c79073f1f 47 uint8_t GPS_10s_Period[] ={0xB5, 0x62, 0x06, 0x3B, 0x2C, 0x00, 0x01, 0x06, 0x00, 0x00, 0x00, 0x90, 0x03, 0x00, 0x10, 0x27, 0x00, 0x00, 0x10, 0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x2C, 0x01, 0x00, 0x00, 0x4F, 0xC1, 0x03, 0x00, 0x87, 0x02, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x64, 0x40, 0x01, 0x00, 0xE4, 0x8B};
jacktractive 66:a11c79073f1f 48 //_gps.printf((GPSoff, sizeof(GPSoff)/sizeof(uint8_t));
jacktractive 66:a11c79073f1f 49
jacktractive 66:a11c79073f1f 50 _gps.printf("%c",GPSoff);
jacktractive 66:a11c79073f1f 51
jacktractive 66:a11c79073f1f 52 //
jacktractive 66:a11c79073f1f 53 // uint8_t GPSon[] = {0xB5, 0x62, 0x06, 0x04, 0x04, 0x00, 0x00, 0x00,0x09, 0x00, 0x17, 0x76};
jacktractive 66:a11c79073f1f 54 // sendUBX(GPSon, sizeof(GPSon)/sizeof(uint8_t));
jacktractive 66:a11c79073f1f 55 }
jacktractive 64:85fa08519e1e 56
jacktractive 61:2b30d8e75fe7 57 int GPS::sample()
jacktractive 61:2b30d8e75fe7 58 {
jacktractive 61:2b30d8e75fe7 59
jacktractive 61:2b30d8e75fe7 60 int lock;
jacktractive 63:2bfceda4c30c 61 int h;
jacktractive 61:2b30d8e75fe7 62
jacktractive 66:a11c79073f1f 63
jacktractive 67:7bb75ed97500 64 for (h = 0; h < 10; h++)
jacktractive 66:a11c79073f1f 65 {
jacktractive 68:41fff9c3fb4f 66 //printf("\n[GPS] Line %i:",h);
jacktractive 66:a11c79073f1f 67 getline();
jacktractive 63:2bfceda4c30c 68
jacktractive 63:2bfceda4c30c 69 if(sscanf(msg, "GPGGA,%f,%f,%c,%f,%c,%d,%d,%f,%f,%c,%f", &time, &latitude, &ns, &longitude, &ew, &lock, &sats, &hdop, &alt, &unit, &geoid)>0) {
jacktractive 66:a11c79073f1f 70 if(!lock) {
jacktractive 66:a11c79073f1f 71 printf("[GPS] Kein Lock: %f %ih %im %is\n",time,hour,minute,seconed);
jacktractive 66:a11c79073f1f 72 time = 0.0;
jacktractive 66:a11c79073f1f 73 longitude = 0.0;
jacktractive 66:a11c79073f1f 74 latitude = 0.0;
jacktractive 66:a11c79073f1f 75 sats = 0;
jacktractive 66:a11c79073f1f 76 //hdop = 0.0;
jacktractive 66:a11c79073f1f 77 alt = 0.0;
jacktractive 66:a11c79073f1f 78 geoid = 0.0;
jacktractive 61:2b30d8e75fe7 79 } else {
jacktractive 61:2b30d8e75fe7 80 //GPGGA format according http://aprs.gids.nl/nmea/#gga
jacktractive 61:2b30d8e75fe7 81 // time (float), lat (f), (N/S) (c), long (f), (E/W) (c), fix (d), sats (d),
jacktractive 61:2b30d8e75fe7 82 // hdop (float), altitude (float), M, geoid (float), M, , ,
jacktractive 61:2b30d8e75fe7 83 //GPGGA,092010.000,5210.9546,N,00008.8913,E,1,07,1.3,9.7,M,47.0,M,,0000*5D
jacktractive 61:2b30d8e75fe7 84
jacktractive 61:2b30d8e75fe7 85 //format utc time to beijing time,add 8 time zone
jacktractive 67:7bb75ed97500 86
jacktractive 61:2b30d8e75fe7 87 hour = int(time) / 10000;
jacktractive 61:2b30d8e75fe7 88 minute = (int(time) % 10000) / 100;
jacktractive 61:2b30d8e75fe7 89 seconed = int(time) % 100;
jacktractive 63:2bfceda4c30c 90
jacktractive 67:7bb75ed97500 91 printf("\n[GPS] Lock: %ih %im %is\n",hour,minute,seconed);
jacktractive 63:2bfceda4c30c 92
jacktractive 66:a11c79073f1f 93 }//endiflock
jacktractive 66:a11c79073f1f 94 } //endifscan
jacktractive 63:2bfceda4c30c 95
jacktractive 66:a11c79073f1f 96 } //endfor
jacktractive 63:2bfceda4c30c 97
jacktractive 66:a11c79073f1f 98 return lock ;
jacktractive 63:2bfceda4c30c 99
jacktractive 63:2bfceda4c30c 100
jacktractive 61:2b30d8e75fe7 101 }
jacktractive 61:2b30d8e75fe7 102
jacktractive 66:a11c79073f1f 103
jacktractive 61:2b30d8e75fe7 104 float GPS::trunc(float v)
jacktractive 61:2b30d8e75fe7 105 {
jacktractive 61:2b30d8e75fe7 106 if(v < 0.0) {
jacktractive 61:2b30d8e75fe7 107 v*= -1.0;
jacktractive 61:2b30d8e75fe7 108 v = floor(v);
jacktractive 61:2b30d8e75fe7 109 v*=-1.0;
jacktractive 61:2b30d8e75fe7 110 } else {
jacktractive 61:2b30d8e75fe7 111 v = floor(v);
jacktractive 61:2b30d8e75fe7 112 }
jacktractive 61:2b30d8e75fe7 113 return v;
jacktractive 61:2b30d8e75fe7 114 }
jacktractive 61:2b30d8e75fe7 115
jacktractive 61:2b30d8e75fe7 116 void GPS::getline()
jacktractive 61:2b30d8e75fe7 117 {
jacktractive 63:2bfceda4c30c 118
jacktractive 61:2b30d8e75fe7 119 while(_gps.getc() != '$'); // wait for the start of a line
jacktractive 61:2b30d8e75fe7 120 for(int i=0; i<256; i++) {
jacktractive 61:2b30d8e75fe7 121 msg[i] = _gps.getc();
jacktractive 63:2bfceda4c30c 122 printf("%c",msg[i]);
jacktractive 61:2b30d8e75fe7 123 if(msg[i] == '\r') {
jacktractive 66:a11c79073f1f 124 msg[i] = 0;
jacktractive 61:2b30d8e75fe7 125 return;
jacktractive 61:2b30d8e75fe7 126 }
jacktractive 61:2b30d8e75fe7 127 }
jacktractive 64:85fa08519e1e 128 error("GPS::getline Overflowed message limit");
jacktractive 61:2b30d8e75fe7 129 }