Library is based on mlee350's library (MBed_Adafruit-GPS-Library) for Adafruit's GPS module (GlobalTop's MTK3339). Includes two CRITIAL bug fixes, as well as minor updates from Adafruit's Arduino library.
Fork of MBed_Adafruit-GPS-Library by
MBed_Adafruit_GPS.cpp@2:d8e1e37eea36, 2018-01-13 (annotated)
- Committer:
- hobbyguy77
- Date:
- Sat Jan 13 14:03:41 2018 +0000
- Revision:
- 2:d8e1e37eea36
- Parent:
- 1:96d7d157b384
Renamed waitForSentence param to be a bit more intuitive.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mlee350 | 0:a23e3099bb0a | 1 | /*********************************** |
mlee350 | 0:a23e3099bb0a | 2 | This is our GPS library |
mlee350 | 0:a23e3099bb0a | 3 | |
mlee350 | 0:a23e3099bb0a | 4 | Adafruit invests time and resources providing this open source code, |
mlee350 | 0:a23e3099bb0a | 5 | please support Adafruit and open-source hardware by purchasing |
mlee350 | 0:a23e3099bb0a | 6 | products from Adafruit! |
mlee350 | 0:a23e3099bb0a | 7 | |
mlee350 | 0:a23e3099bb0a | 8 | Written by Limor Fried/Ladyada for Adafruit Industries. |
mlee350 | 0:a23e3099bb0a | 9 | BSD license, check license.txt for more information |
mlee350 | 0:a23e3099bb0a | 10 | All text above must be included in any redistribution |
mlee350 | 0:a23e3099bb0a | 11 | ****************************************/ |
mlee350 | 0:a23e3099bb0a | 12 | |
mlee350 | 0:a23e3099bb0a | 13 | #include "MBed_Adafruit_GPS.h" |
mlee350 | 0:a23e3099bb0a | 14 | |
mlee350 | 0:a23e3099bb0a | 15 | // how long are max NMEA lines to parse? |
mlee350 | 0:a23e3099bb0a | 16 | #define MAXLINELENGTH 120 |
mlee350 | 0:a23e3099bb0a | 17 | |
mlee350 | 0:a23e3099bb0a | 18 | // we double buffer: read one line in and leave one for the main program |
mlee350 | 0:a23e3099bb0a | 19 | volatile char line1[MAXLINELENGTH]; |
mlee350 | 0:a23e3099bb0a | 20 | volatile char line2[MAXLINELENGTH]; |
mlee350 | 0:a23e3099bb0a | 21 | // our index into filling the current line |
mlee350 | 0:a23e3099bb0a | 22 | volatile uint16_t lineidx=0; |
mlee350 | 0:a23e3099bb0a | 23 | // pointers to the double buffers |
mlee350 | 0:a23e3099bb0a | 24 | volatile char *currentline; |
mlee350 | 0:a23e3099bb0a | 25 | volatile char *lastline; |
mlee350 | 0:a23e3099bb0a | 26 | volatile bool recvdflag; |
mlee350 | 0:a23e3099bb0a | 27 | volatile bool inStandbyMode; |
mlee350 | 0:a23e3099bb0a | 28 | |
mlee350 | 0:a23e3099bb0a | 29 | |
hobbyguy77 | 1:96d7d157b384 | 30 | bool Adafruit_GPS::parse(char *nmea) |
hobbyguy77 | 1:96d7d157b384 | 31 | { |
hobbyguy77 | 1:96d7d157b384 | 32 | // do checksum check |
hobbyguy77 | 1:96d7d157b384 | 33 | |
hobbyguy77 | 1:96d7d157b384 | 34 | // first look if we even have one |
hobbyguy77 | 1:96d7d157b384 | 35 | if (nmea[strlen(nmea)-4] == '*') { |
hobbyguy77 | 1:96d7d157b384 | 36 | uint16_t sum = parseHex(nmea[strlen(nmea)-3]) * 16; |
hobbyguy77 | 1:96d7d157b384 | 37 | sum += parseHex(nmea[strlen(nmea)-2]); |
mlee350 | 0:a23e3099bb0a | 38 | |
hobbyguy77 | 1:96d7d157b384 | 39 | // check checksum |
hobbyguy77 | 1:96d7d157b384 | 40 | for (uint8_t i=1; i < (strlen(nmea)-4); i++) { |
hobbyguy77 | 1:96d7d157b384 | 41 | sum ^= nmea[i]; |
hobbyguy77 | 1:96d7d157b384 | 42 | } |
hobbyguy77 | 1:96d7d157b384 | 43 | if (sum != 0) { |
hobbyguy77 | 1:96d7d157b384 | 44 | // bad checksum :( |
hobbyguy77 | 1:96d7d157b384 | 45 | //return false; |
hobbyguy77 | 1:96d7d157b384 | 46 | } |
mlee350 | 0:a23e3099bb0a | 47 | } |
mlee350 | 0:a23e3099bb0a | 48 | |
hobbyguy77 | 1:96d7d157b384 | 49 | // look for a few common sentences |
hobbyguy77 | 1:96d7d157b384 | 50 | if (strstr(nmea, "$GPGGA")) { |
hobbyguy77 | 1:96d7d157b384 | 51 | // found GGA |
hobbyguy77 | 1:96d7d157b384 | 52 | char *p = nmea; |
hobbyguy77 | 1:96d7d157b384 | 53 | // get time |
hobbyguy77 | 1:96d7d157b384 | 54 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 55 | float timef = atof(p); |
hobbyguy77 | 1:96d7d157b384 | 56 | uint32_t time = timef; |
hobbyguy77 | 1:96d7d157b384 | 57 | hour = time / 10000; |
hobbyguy77 | 1:96d7d157b384 | 58 | minute = (time % 10000) / 100; |
hobbyguy77 | 1:96d7d157b384 | 59 | seconds = (time % 100); |
mlee350 | 0:a23e3099bb0a | 60 | |
hobbyguy77 | 1:96d7d157b384 | 61 | milliseconds = fmod((double) timef, 1.0) * 1000; |
mlee350 | 0:a23e3099bb0a | 62 | |
hobbyguy77 | 1:96d7d157b384 | 63 | // parse out latitude |
hobbyguy77 | 1:96d7d157b384 | 64 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 65 | latitude = atof(p); |
mlee350 | 0:a23e3099bb0a | 66 | |
hobbyguy77 | 1:96d7d157b384 | 67 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 68 | if (p[0] == 'N') lat = 'N'; |
hobbyguy77 | 1:96d7d157b384 | 69 | else if (p[0] == 'S') lat = 'S'; |
hobbyguy77 | 1:96d7d157b384 | 70 | else if (p[0] == ',') lat = 0; |
hobbyguy77 | 1:96d7d157b384 | 71 | else return false; |
mlee350 | 0:a23e3099bb0a | 72 | |
hobbyguy77 | 1:96d7d157b384 | 73 | // parse out longitude |
hobbyguy77 | 1:96d7d157b384 | 74 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 75 | longitude = atof(p); |
mlee350 | 0:a23e3099bb0a | 76 | |
hobbyguy77 | 1:96d7d157b384 | 77 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 78 | if (p[0] == 'W') lon = 'W'; |
hobbyguy77 | 1:96d7d157b384 | 79 | else if (p[0] == 'E') lon = 'E'; |
hobbyguy77 | 1:96d7d157b384 | 80 | else if (p[0] == ',') lon = 0; |
hobbyguy77 | 1:96d7d157b384 | 81 | else return false; |
mlee350 | 0:a23e3099bb0a | 82 | |
hobbyguy77 | 1:96d7d157b384 | 83 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 84 | fixquality = atoi(p); |
mlee350 | 0:a23e3099bb0a | 85 | |
hobbyguy77 | 1:96d7d157b384 | 86 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 87 | satellites = atoi(p); |
mlee350 | 0:a23e3099bb0a | 88 | |
hobbyguy77 | 1:96d7d157b384 | 89 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 90 | HDOP = atof(p); |
mlee350 | 0:a23e3099bb0a | 91 | |
hobbyguy77 | 1:96d7d157b384 | 92 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 93 | altitude = atof(p); |
hobbyguy77 | 1:96d7d157b384 | 94 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 95 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 96 | geoidheight = atof(p); |
hobbyguy77 | 1:96d7d157b384 | 97 | return true; |
hobbyguy77 | 1:96d7d157b384 | 98 | } |
hobbyguy77 | 1:96d7d157b384 | 99 | if (strstr(nmea, "$GPRMC")) { |
hobbyguy77 | 1:96d7d157b384 | 100 | // found RMC |
hobbyguy77 | 1:96d7d157b384 | 101 | char *p = nmea; |
mlee350 | 0:a23e3099bb0a | 102 | |
hobbyguy77 | 1:96d7d157b384 | 103 | // get time |
hobbyguy77 | 1:96d7d157b384 | 104 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 105 | float timef = atof(p); |
hobbyguy77 | 1:96d7d157b384 | 106 | uint32_t time = timef; |
hobbyguy77 | 1:96d7d157b384 | 107 | hour = time / 10000; |
hobbyguy77 | 1:96d7d157b384 | 108 | minute = (time % 10000) / 100; |
hobbyguy77 | 1:96d7d157b384 | 109 | seconds = (time % 100); |
mlee350 | 0:a23e3099bb0a | 110 | |
hobbyguy77 | 1:96d7d157b384 | 111 | milliseconds = fmod((double) timef, 1.0) * 1000; |
mlee350 | 0:a23e3099bb0a | 112 | |
hobbyguy77 | 1:96d7d157b384 | 113 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 114 | // Serial.println(p); |
hobbyguy77 | 1:96d7d157b384 | 115 | if (p[0] == 'A') |
hobbyguy77 | 1:96d7d157b384 | 116 | fix = true; |
hobbyguy77 | 1:96d7d157b384 | 117 | else if (p[0] == 'V') |
hobbyguy77 | 1:96d7d157b384 | 118 | fix = false; |
hobbyguy77 | 1:96d7d157b384 | 119 | else |
hobbyguy77 | 1:96d7d157b384 | 120 | return false; |
mlee350 | 0:a23e3099bb0a | 121 | |
hobbyguy77 | 1:96d7d157b384 | 122 | // parse out latitude |
hobbyguy77 | 1:96d7d157b384 | 123 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 124 | latitude = atof(p); |
mlee350 | 0:a23e3099bb0a | 125 | |
hobbyguy77 | 1:96d7d157b384 | 126 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 127 | if (p[0] == 'N') lat = 'N'; |
hobbyguy77 | 1:96d7d157b384 | 128 | else if (p[0] == 'S') lat = 'S'; |
hobbyguy77 | 1:96d7d157b384 | 129 | else if (p[0] == ',') lat = 0; |
hobbyguy77 | 1:96d7d157b384 | 130 | else return false; |
mlee350 | 0:a23e3099bb0a | 131 | |
hobbyguy77 | 1:96d7d157b384 | 132 | // parse out longitude |
hobbyguy77 | 1:96d7d157b384 | 133 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 134 | longitude = atof(p); |
mlee350 | 0:a23e3099bb0a | 135 | |
hobbyguy77 | 1:96d7d157b384 | 136 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 137 | if (p[0] == 'W') lon = 'W'; |
hobbyguy77 | 1:96d7d157b384 | 138 | else if (p[0] == 'E') lon = 'E'; |
hobbyguy77 | 1:96d7d157b384 | 139 | else if (p[0] == ',') lon = 0; |
hobbyguy77 | 1:96d7d157b384 | 140 | else return false; |
mlee350 | 0:a23e3099bb0a | 141 | |
hobbyguy77 | 1:96d7d157b384 | 142 | // speed |
hobbyguy77 | 1:96d7d157b384 | 143 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 144 | speed = atof(p); |
mlee350 | 0:a23e3099bb0a | 145 | |
hobbyguy77 | 1:96d7d157b384 | 146 | // angle |
hobbyguy77 | 1:96d7d157b384 | 147 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 148 | angle = atof(p); |
mlee350 | 0:a23e3099bb0a | 149 | |
hobbyguy77 | 1:96d7d157b384 | 150 | p = strchr(p, ',')+1; |
hobbyguy77 | 1:96d7d157b384 | 151 | uint32_t fulldate = atof(p); |
hobbyguy77 | 1:96d7d157b384 | 152 | day = fulldate / 10000; |
hobbyguy77 | 1:96d7d157b384 | 153 | month = (fulldate % 10000) / 100; |
hobbyguy77 | 1:96d7d157b384 | 154 | year = (fulldate % 100); |
mlee350 | 0:a23e3099bb0a | 155 | |
hobbyguy77 | 1:96d7d157b384 | 156 | // we dont parse the remaining, yet! |
hobbyguy77 | 1:96d7d157b384 | 157 | return true; |
hobbyguy77 | 1:96d7d157b384 | 158 | } |
mlee350 | 0:a23e3099bb0a | 159 | |
hobbyguy77 | 1:96d7d157b384 | 160 | return false; |
mlee350 | 0:a23e3099bb0a | 161 | } |
mlee350 | 0:a23e3099bb0a | 162 | |
hobbyguy77 | 1:96d7d157b384 | 163 | char Adafruit_GPS::read(void) |
hobbyguy77 | 1:96d7d157b384 | 164 | { |
hobbyguy77 | 1:96d7d157b384 | 165 | char c = 0; |
hobbyguy77 | 1:96d7d157b384 | 166 | |
hobbyguy77 | 1:96d7d157b384 | 167 | if (paused) return c; |
mlee350 | 0:a23e3099bb0a | 168 | |
mlee350 | 0:a23e3099bb0a | 169 | if(!gpsSerial->readable()) return c; |
mlee350 | 0:a23e3099bb0a | 170 | c = gpsSerial->getc(); |
mlee350 | 0:a23e3099bb0a | 171 | |
hobbyguy77 | 1:96d7d157b384 | 172 | //Serial.print(c); |
hobbyguy77 | 1:96d7d157b384 | 173 | |
hobbyguy77 | 1:96d7d157b384 | 174 | // if (c == '$') { //please don't eat the dollar sign - rdl 9/15/14 |
hobbyguy77 | 1:96d7d157b384 | 175 | // currentline[lineidx] = 0; |
hobbyguy77 | 1:96d7d157b384 | 176 | // lineidx = 0; |
hobbyguy77 | 1:96d7d157b384 | 177 | // } |
hobbyguy77 | 1:96d7d157b384 | 178 | if (c == '\n') { |
hobbyguy77 | 1:96d7d157b384 | 179 | currentline[lineidx] = 0; |
mlee350 | 0:a23e3099bb0a | 180 | |
hobbyguy77 | 1:96d7d157b384 | 181 | if (currentline == line1) { |
hobbyguy77 | 1:96d7d157b384 | 182 | currentline = line2; |
hobbyguy77 | 1:96d7d157b384 | 183 | lastline = line1; |
hobbyguy77 | 1:96d7d157b384 | 184 | } else { |
hobbyguy77 | 1:96d7d157b384 | 185 | currentline = line1; |
hobbyguy77 | 1:96d7d157b384 | 186 | lastline = line2; |
hobbyguy77 | 1:96d7d157b384 | 187 | } |
mlee350 | 0:a23e3099bb0a | 188 | |
hobbyguy77 | 1:96d7d157b384 | 189 | lineidx = 0; |
hobbyguy77 | 1:96d7d157b384 | 190 | recvdflag = true; |
mlee350 | 0:a23e3099bb0a | 191 | } |
mlee350 | 0:a23e3099bb0a | 192 | |
hobbyguy77 | 1:96d7d157b384 | 193 | currentline[lineidx++] = c; |
hobbyguy77 | 1:96d7d157b384 | 194 | if (lineidx >= MAXLINELENGTH) |
hobbyguy77 | 1:96d7d157b384 | 195 | lineidx = MAXLINELENGTH-1; |
mlee350 | 0:a23e3099bb0a | 196 | |
hobbyguy77 | 1:96d7d157b384 | 197 | return c; |
mlee350 | 0:a23e3099bb0a | 198 | } |
mlee350 | 0:a23e3099bb0a | 199 | |
mlee350 | 0:a23e3099bb0a | 200 | Adafruit_GPS::Adafruit_GPS (Serial *ser) |
mlee350 | 0:a23e3099bb0a | 201 | { |
hobbyguy77 | 1:96d7d157b384 | 202 | common_init(); // Set everything to common state, then... |
hobbyguy77 | 1:96d7d157b384 | 203 | gpsSerial = ser; // ...override gpsSwSerial with value passed. |
mlee350 | 0:a23e3099bb0a | 204 | } |
mlee350 | 0:a23e3099bb0a | 205 | |
mlee350 | 0:a23e3099bb0a | 206 | // Initialization code used by all constructor types |
hobbyguy77 | 1:96d7d157b384 | 207 | void Adafruit_GPS::common_init(void) |
hobbyguy77 | 1:96d7d157b384 | 208 | { |
hobbyguy77 | 1:96d7d157b384 | 209 | gpsSerial = NULL; |
hobbyguy77 | 1:96d7d157b384 | 210 | recvdflag = false; |
hobbyguy77 | 1:96d7d157b384 | 211 | paused = false; |
hobbyguy77 | 1:96d7d157b384 | 212 | lineidx = 0; |
hobbyguy77 | 1:96d7d157b384 | 213 | currentline = line1; |
hobbyguy77 | 1:96d7d157b384 | 214 | lastline = line2; |
mlee350 | 0:a23e3099bb0a | 215 | |
hobbyguy77 | 1:96d7d157b384 | 216 | hour = minute = seconds = year = month = day = |
hobbyguy77 | 1:96d7d157b384 | 217 | fixquality = satellites = 0; // uint8_t |
hobbyguy77 | 1:96d7d157b384 | 218 | lat = lon = mag = 0; // char |
hobbyguy77 | 1:96d7d157b384 | 219 | fix = false; // bool |
hobbyguy77 | 1:96d7d157b384 | 220 | milliseconds = 0; // uint16_t |
hobbyguy77 | 1:96d7d157b384 | 221 | latitude = longitude = geoidheight = altitude = |
hobbyguy77 | 1:96d7d157b384 | 222 | speed = angle = magvariation = HDOP = 0.0; // float |
mlee350 | 0:a23e3099bb0a | 223 | } |
mlee350 | 0:a23e3099bb0a | 224 | |
mlee350 | 0:a23e3099bb0a | 225 | void Adafruit_GPS::begin(int baud) |
mlee350 | 0:a23e3099bb0a | 226 | { |
hobbyguy77 | 1:96d7d157b384 | 227 | gpsSerial->baud(baud); |
hobbyguy77 | 1:96d7d157b384 | 228 | wait_ms(10); |
mlee350 | 0:a23e3099bb0a | 229 | } |
mlee350 | 0:a23e3099bb0a | 230 | |
hobbyguy77 | 1:96d7d157b384 | 231 | void Adafruit_GPS::sendCommand(char *str) |
hobbyguy77 | 1:96d7d157b384 | 232 | { |
hobbyguy77 | 1:96d7d157b384 | 233 | gpsSerial->printf("%s\r\n",str); |
mlee350 | 0:a23e3099bb0a | 234 | } |
mlee350 | 0:a23e3099bb0a | 235 | |
hobbyguy77 | 1:96d7d157b384 | 236 | bool Adafruit_GPS::newNMEAreceived(void) |
hobbyguy77 | 1:96d7d157b384 | 237 | { |
hobbyguy77 | 1:96d7d157b384 | 238 | return recvdflag; |
mlee350 | 0:a23e3099bb0a | 239 | } |
mlee350 | 0:a23e3099bb0a | 240 | |
hobbyguy77 | 1:96d7d157b384 | 241 | void Adafruit_GPS::pause(bool p) |
hobbyguy77 | 1:96d7d157b384 | 242 | { |
hobbyguy77 | 1:96d7d157b384 | 243 | paused = p; |
mlee350 | 0:a23e3099bb0a | 244 | } |
mlee350 | 0:a23e3099bb0a | 245 | |
hobbyguy77 | 1:96d7d157b384 | 246 | char *Adafruit_GPS::lastNMEA(void) |
hobbyguy77 | 1:96d7d157b384 | 247 | { |
hobbyguy77 | 1:96d7d157b384 | 248 | recvdflag = false; |
hobbyguy77 | 1:96d7d157b384 | 249 | return (char *)lastline; |
mlee350 | 0:a23e3099bb0a | 250 | } |
mlee350 | 0:a23e3099bb0a | 251 | |
mlee350 | 0:a23e3099bb0a | 252 | // read a Hex value and return the decimal equivalent |
hobbyguy77 | 1:96d7d157b384 | 253 | uint8_t Adafruit_GPS::parseHex(char c) |
hobbyguy77 | 1:96d7d157b384 | 254 | { |
mlee350 | 0:a23e3099bb0a | 255 | if (c < '0') |
hobbyguy77 | 1:96d7d157b384 | 256 | return 0; |
mlee350 | 0:a23e3099bb0a | 257 | if (c <= '9') |
hobbyguy77 | 1:96d7d157b384 | 258 | return c - '0'; |
mlee350 | 0:a23e3099bb0a | 259 | if (c < 'A') |
hobbyguy77 | 1:96d7d157b384 | 260 | return 0; |
mlee350 | 0:a23e3099bb0a | 261 | if (c <= 'F') |
hobbyguy77 | 1:96d7d157b384 | 262 | return (c - 'A')+10; |
hobbyguy77 | 1:96d7d157b384 | 263 | // if (c > 'F') |
hobbyguy77 | 1:96d7d157b384 | 264 | return 0; |
mlee350 | 0:a23e3099bb0a | 265 | } |
mlee350 | 0:a23e3099bb0a | 266 | |
hobbyguy77 | 2:d8e1e37eea36 | 267 | //max = MAXWAITSENTENCE from .h file |
hobbyguy77 | 2:d8e1e37eea36 | 268 | bool Adafruit_GPS::waitForSentence(const char *sentence, uint8_t max) |
hobbyguy77 | 1:96d7d157b384 | 269 | { |
hobbyguy77 | 1:96d7d157b384 | 270 | char str[20]; |
mlee350 | 0:a23e3099bb0a | 271 | |
hobbyguy77 | 1:96d7d157b384 | 272 | uint8_t i=0; |
hobbyguy77 | 1:96d7d157b384 | 273 | while (i < max) { |
hobbyguy77 | 1:96d7d157b384 | 274 | read(); |
hobbyguy77 | 1:96d7d157b384 | 275 | if (newNMEAreceived()) { |
hobbyguy77 | 1:96d7d157b384 | 276 | char *nmea = lastNMEA(); |
hobbyguy77 | 1:96d7d157b384 | 277 | strncpy(str, nmea, 20); |
hobbyguy77 | 1:96d7d157b384 | 278 | str[19] = 0; |
hobbyguy77 | 1:96d7d157b384 | 279 | i++; |
mlee350 | 0:a23e3099bb0a | 280 | |
hobbyguy77 | 2:d8e1e37eea36 | 281 | if (strstr(str, sentence)) |
hobbyguy77 | 1:96d7d157b384 | 282 | return true; |
hobbyguy77 | 1:96d7d157b384 | 283 | } |
mlee350 | 0:a23e3099bb0a | 284 | } |
mlee350 | 0:a23e3099bb0a | 285 | |
hobbyguy77 | 1:96d7d157b384 | 286 | return false; |
mlee350 | 0:a23e3099bb0a | 287 | } |
mlee350 | 0:a23e3099bb0a | 288 | |
hobbyguy77 | 1:96d7d157b384 | 289 | bool Adafruit_GPS::LOCUS_StartLogger(void) |
hobbyguy77 | 1:96d7d157b384 | 290 | { |
hobbyguy77 | 1:96d7d157b384 | 291 | sendCommand(PMTK_LOCUS_STARTLOG); |
hobbyguy77 | 1:96d7d157b384 | 292 | recvdflag = false; |
hobbyguy77 | 1:96d7d157b384 | 293 | return waitForSentence(PMTK_LOCUS_LOGSTARTED); |
mlee350 | 0:a23e3099bb0a | 294 | } |
mlee350 | 0:a23e3099bb0a | 295 | |
hobbyguy77 | 1:96d7d157b384 | 296 | bool Adafruit_GPS::LOCUS_ReadStatus(void) |
hobbyguy77 | 1:96d7d157b384 | 297 | { |
hobbyguy77 | 1:96d7d157b384 | 298 | sendCommand(PMTK_LOCUS_QUERY_STATUS); |
hobbyguy77 | 1:96d7d157b384 | 299 | |
hobbyguy77 | 1:96d7d157b384 | 300 | if (! waitForSentence("$PMTKLOG")) |
hobbyguy77 | 1:96d7d157b384 | 301 | return false; |
hobbyguy77 | 1:96d7d157b384 | 302 | |
hobbyguy77 | 1:96d7d157b384 | 303 | char *response = lastNMEA(); |
hobbyguy77 | 1:96d7d157b384 | 304 | uint16_t parsed[10]; |
hobbyguy77 | 1:96d7d157b384 | 305 | uint8_t i; |
hobbyguy77 | 1:96d7d157b384 | 306 | |
hobbyguy77 | 1:96d7d157b384 | 307 | for (i=0; i<10; i++) parsed[i] = -1; |
mlee350 | 0:a23e3099bb0a | 308 | |
hobbyguy77 | 1:96d7d157b384 | 309 | response = strchr(response, ','); |
hobbyguy77 | 1:96d7d157b384 | 310 | for (i=0; i<10; i++) { |
hobbyguy77 | 1:96d7d157b384 | 311 | if (!response || (response[0] == 0) || (response[0] == '*')) |
hobbyguy77 | 1:96d7d157b384 | 312 | break; |
hobbyguy77 | 1:96d7d157b384 | 313 | response++; |
hobbyguy77 | 1:96d7d157b384 | 314 | parsed[i]=0; |
hobbyguy77 | 1:96d7d157b384 | 315 | while ((response[0] != ',') && |
hobbyguy77 | 1:96d7d157b384 | 316 | (response[0] != '*') && (response[0] != 0)) { |
hobbyguy77 | 1:96d7d157b384 | 317 | parsed[i] *= 10; |
hobbyguy77 | 1:96d7d157b384 | 318 | char c = response[0]; |
hobbyguy77 | 1:96d7d157b384 | 319 | if (isdigit(c)) |
hobbyguy77 | 1:96d7d157b384 | 320 | parsed[i] += c - '0'; |
hobbyguy77 | 1:96d7d157b384 | 321 | else |
hobbyguy77 | 1:96d7d157b384 | 322 | parsed[i] = c; |
hobbyguy77 | 1:96d7d157b384 | 323 | response++; |
hobbyguy77 | 1:96d7d157b384 | 324 | } |
mlee350 | 0:a23e3099bb0a | 325 | } |
hobbyguy77 | 1:96d7d157b384 | 326 | LOCUS_serial = parsed[0]; |
hobbyguy77 | 1:96d7d157b384 | 327 | LOCUS_type = parsed[1]; |
hobbyguy77 | 1:96d7d157b384 | 328 | if (isalpha(parsed[2])) { |
hobbyguy77 | 1:96d7d157b384 | 329 | parsed[2] = parsed[2] - 'a' + 10; |
hobbyguy77 | 1:96d7d157b384 | 330 | } |
hobbyguy77 | 1:96d7d157b384 | 331 | LOCUS_mode = parsed[2]; |
hobbyguy77 | 1:96d7d157b384 | 332 | LOCUS_config = parsed[3]; |
hobbyguy77 | 1:96d7d157b384 | 333 | LOCUS_interval = parsed[4]; |
hobbyguy77 | 1:96d7d157b384 | 334 | LOCUS_distance = parsed[5]; |
hobbyguy77 | 1:96d7d157b384 | 335 | LOCUS_speed = parsed[6]; |
hobbyguy77 | 1:96d7d157b384 | 336 | LOCUS_status = !parsed[7]; |
hobbyguy77 | 1:96d7d157b384 | 337 | LOCUS_records = parsed[8]; |
hobbyguy77 | 1:96d7d157b384 | 338 | LOCUS_percent = parsed[9]; |
mlee350 | 0:a23e3099bb0a | 339 | |
hobbyguy77 | 1:96d7d157b384 | 340 | return true; |
mlee350 | 0:a23e3099bb0a | 341 | } |
mlee350 | 0:a23e3099bb0a | 342 | |
mlee350 | 0:a23e3099bb0a | 343 | // Standby Mode Switches |
hobbyguy77 | 1:96d7d157b384 | 344 | bool Adafruit_GPS::standby(void) |
hobbyguy77 | 1:96d7d157b384 | 345 | { |
hobbyguy77 | 1:96d7d157b384 | 346 | if (inStandbyMode) { |
hobbyguy77 | 1:96d7d157b384 | 347 | return false; // Returns false if already in standby mode, so that you do not wake it up by sending commands to GPS |
hobbyguy77 | 1:96d7d157b384 | 348 | } else { |
hobbyguy77 | 1:96d7d157b384 | 349 | inStandbyMode = true; |
hobbyguy77 | 1:96d7d157b384 | 350 | sendCommand(PMTK_STANDBY); |
hobbyguy77 | 1:96d7d157b384 | 351 | //return waitForSentence(PMTK_STANDBY_SUCCESS); // don't seem to be fast enough to catch the message, or something else just is not working |
hobbyguy77 | 1:96d7d157b384 | 352 | return true; |
hobbyguy77 | 1:96d7d157b384 | 353 | } |
mlee350 | 0:a23e3099bb0a | 354 | } |
mlee350 | 0:a23e3099bb0a | 355 | |
hobbyguy77 | 1:96d7d157b384 | 356 | bool Adafruit_GPS::wakeup(void) |
hobbyguy77 | 1:96d7d157b384 | 357 | { |
hobbyguy77 | 1:96d7d157b384 | 358 | if (inStandbyMode) { |
hobbyguy77 | 1:96d7d157b384 | 359 | inStandbyMode = false; |
hobbyguy77 | 1:96d7d157b384 | 360 | sendCommand(""); // send byte to wake it up |
hobbyguy77 | 1:96d7d157b384 | 361 | return waitForSentence(PMTK_AWAKE); |
hobbyguy77 | 1:96d7d157b384 | 362 | } else { |
hobbyguy77 | 1:96d7d157b384 | 363 | return false; // Returns false if not in standby mode, nothing to wakeup |
hobbyguy77 | 1:96d7d157b384 | 364 | } |
mlee350 | 0:a23e3099bb0a | 365 | } |