basic lightning detector with gps and sd card logging
Dependencies: AS3935 AdafruitGPS SDFileSystem TSI mbed ConfigFile
main.cpp@4:4d26ba1ae0f7, 2015-06-24 (annotated)
- Committer:
- cmkachur
- Date:
- Wed Jun 24 16:36:55 2015 +0000
- Revision:
- 4:4d26ba1ae0f7
- Parent:
- 3:e3974328d808
- Child:
- 5:1d4fd419cfb7
Store all configuration register values and firmware version to config_data.csv file at startup. Delete obsolete code.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ftagius | 0:3328df4c3116 | 1 | #include "mbed.h" |
ftagius | 0:3328df4c3116 | 2 | #include "GPS.h" |
ftagius | 0:3328df4c3116 | 3 | #include "main.h" |
ftagius | 0:3328df4c3116 | 4 | #include "TSISensor.h" |
ftagius | 0:3328df4c3116 | 5 | #include "SDFileSystem.h" |
ftagius | 0:3328df4c3116 | 6 | #include "AS3935.h" |
ftagius | 0:3328df4c3116 | 7 | |
cmkachur | 4:4d26ba1ae0f7 | 8 | #define FW_VER 1 |
cmkachur | 4:4d26ba1ae0f7 | 9 | |
ftagius | 3:e3974328d808 | 10 | // frdm-kl25z as3935 connections for spi1 |
ftagius | 0:3328df4c3116 | 11 | // ------------------------------------------------ |
ftagius | 0:3328df4c3116 | 12 | // Header -- kl25z -- SD/MMC |
ftagius | 0:3328df4c3116 | 13 | // J2-20 -- PTE1 -- MOSI |
ftagius | 0:3328df4c3116 | 14 | // J9-13 -- PTE4 -- CS |
ftagius | 0:3328df4c3116 | 15 | // J2-14 -- GND -- Vss (GND) |
ftagius | 0:3328df4c3116 | 16 | // J9-9 -- PTE2 -- SCK |
ftagius | 0:3328df4c3116 | 17 | // J9-11 -- PTE3 -- MISO |
ftagius | 0:3328df4c3116 | 18 | |
ftagius | 0:3328df4c3116 | 19 | AS3935 ld(PTE1, PTE3, PTE2, PTE4, "ld", 1000000); // MOSI, MISO, SCK, CS, SPI bus freq (hz) |
ftagius | 0:3328df4c3116 | 20 | InterruptIn IntLightning(PTA12); //IRQ AS3935 |
ftagius | 0:3328df4c3116 | 21 | |
ftagius | 0:3328df4c3116 | 22 | |
ftagius | 0:3328df4c3116 | 23 | // frdm-kl25z sd card connections spi0 |
ftagius | 0:3328df4c3116 | 24 | // ------------------------------------------------ |
ftagius | 0:3328df4c3116 | 25 | // Header -- kl25z -- SPI |
ftagius | 0:3328df4c3116 | 26 | // J2-8 -- PTD2 -- MOSI |
ftagius | 0:3328df4c3116 | 27 | // J2-6 -- PTD0 -- CS |
ftagius | 0:3328df4c3116 | 28 | // J9-12 -- GND -- Vss (GND) |
ftagius | 0:3328df4c3116 | 29 | // J9-4 -- P3V3 -- Vdd (+3.3v) |
ftagius | 0:3328df4c3116 | 30 | // J2-12 -- PTD1 -- SCK |
ftagius | 0:3328df4c3116 | 31 | // J9-14 -- GND -- Vss (GND) |
ftagius | 0:3328df4c3116 | 32 | // J2-10 -- PTD3 -- MISO |
ftagius | 0:3328df4c3116 | 33 | |
ftagius | 0:3328df4c3116 | 34 | SDFileSystem sd(PTD2, PTD3, PTD1, PTD0, "sd"); // MOSI, MISO, SCK, CS |
ftagius | 0:3328df4c3116 | 35 | |
ftagius | 0:3328df4c3116 | 36 | Serial pc(USBTX, USBRX); |
ftagius | 0:3328df4c3116 | 37 | GPS gpsd(PTE20, PTE21); |
ftagius | 0:3328df4c3116 | 38 | DigitalOut red(LED_RED); |
ftagius | 0:3328df4c3116 | 39 | DigitalOut green(LED_GREEN); |
ftagius | 0:3328df4c3116 | 40 | //DigitalOut blue(LED_BLUE); don't use the blue led, due to a board error, writing to the blue led kills spi |
ftagius | 3:e3974328d808 | 41 | bool debug=false; |
ftagius | 0:3328df4c3116 | 42 | int day, month,year,hour,minute,seconds; |
cmkachur | 2:3edb129c60b2 | 43 | void writeLogFile(int interruptSource, int distance, long energy); |
ftagius | 1:10d2a051285e | 44 | char logName[]="lightning_data.csv"; |
ftagius | 1:10d2a051285e | 45 | int rdistance, rinterrupt; |
ftagius | 1:10d2a051285e | 46 | char directory[]="/sd/lightning_data"; |
ftagius | 3:e3974328d808 | 47 | int OriginInt=-1; |
ftagius | 3:e3974328d808 | 48 | int distance=-1; |
ftagius | 3:e3974328d808 | 49 | long energy=-1; |
ftagius | 0:3328df4c3116 | 50 | |
ftagius | 0:3328df4c3116 | 51 | void DetectLightning() |
ftagius | 0:3328df4c3116 | 52 | { |
ftagius | 0:3328df4c3116 | 53 | OriginInt = ld.interruptSource(); |
ftagius | 3:e3974328d808 | 54 | distance = ld.lightningDistanceKm(); |
ftagius | 3:e3974328d808 | 55 | energy = ld.getEnergy(); |
ftagius | 0:3328df4c3116 | 56 | } |
ftagius | 0:3328df4c3116 | 57 | |
cmkachur | 2:3edb129c60b2 | 58 | void writeLogFile(int interruptSource, int distance, long energy) |
ftagius | 0:3328df4c3116 | 59 | { |
ftagius | 1:10d2a051285e | 60 | char logFilePath[128]; |
ftagius | 0:3328df4c3116 | 61 | static bool header=false; |
ftagius | 0:3328df4c3116 | 62 | FILE *fp; |
ftagius | 1:10d2a051285e | 63 | |
ftagius | 1:10d2a051285e | 64 | sprintf(logFilePath, "%s/%s", directory,logName); |
ftagius | 0:3328df4c3116 | 65 | sd.mount(); |
ftagius | 1:10d2a051285e | 66 | fp = fopen(logFilePath, "a"); |
ftagius | 0:3328df4c3116 | 67 | if(fp == NULL) { |
ftagius | 0:3328df4c3116 | 68 | // retry |
ftagius | 3:e3974328d808 | 69 | wait_ms(200); |
ftagius | 1:10d2a051285e | 70 | fp = fopen(logFilePath, "a"); |
ftagius | 0:3328df4c3116 | 71 | if (fp == NULL) |
ftagius | 0:3328df4c3116 | 72 | { |
ftagius | 1:10d2a051285e | 73 | printf("Could not open file %s for writing\r\n",logFilePath); |
ftagius | 0:3328df4c3116 | 74 | sd.unmount(); |
ftagius | 1:10d2a051285e | 75 | printf("unmount sd card \r\n"); |
ftagius | 0:3328df4c3116 | 76 | return; |
ftagius | 0:3328df4c3116 | 77 | } |
ftagius | 0:3328df4c3116 | 78 | } |
ftagius | 3:e3974328d808 | 79 | if (debug) |
ftagius | 3:e3974328d808 | 80 | pc.printf("Opened log file %s\r\n",logFilePath); |
ftagius | 0:3328df4c3116 | 81 | // write the log file header |
ftagius | 0:3328df4c3116 | 82 | if (header == false) |
ftagius | 0:3328df4c3116 | 83 | { |
cmkachur | 2:3edb129c60b2 | 84 | fprintf(fp,"# date,time,raw timestamp,latitude,longitude,distance,interrupt,energy\r\n"); |
ftagius | 0:3328df4c3116 | 85 | header = true; |
ftagius | 0:3328df4c3116 | 86 | } |
ftagius | 0:3328df4c3116 | 87 | // write to the current log file |
ftagius | 0:3328df4c3116 | 88 | fprintf(fp,"%02d/%02d/20%02d,", gpsd.month, gpsd.day, gpsd.year); |
ftagius | 0:3328df4c3116 | 89 | fprintf(fp,"%02d:%02d:%02d,", gpsd.hour, gpsd.minute, gpsd.seconds); |
ftagius | 0:3328df4c3116 | 90 | fprintf(fp,"%7.0f,",gpsd.timef); |
ftagius | 0:3328df4c3116 | 91 | fprintf(fp,"%5.7f,%5.7f,", gpsd.lat_deg, gpsd.lon_deg); |
ftagius | 1:10d2a051285e | 92 | fprintf(fp,"%d,",distance); |
cmkachur | 2:3edb129c60b2 | 93 | fprintf(fp,"%d,",interruptSource); |
cmkachur | 2:3edb129c60b2 | 94 | fprintf(fp,"%ld",energy); |
ftagius | 0:3328df4c3116 | 95 | fprintf(fp,"\r\n"); |
ftagius | 0:3328df4c3116 | 96 | fflush(fp); |
ftagius | 0:3328df4c3116 | 97 | f_sync((FIL*)fp); |
ftagius | 0:3328df4c3116 | 98 | fclose(fp); |
ftagius | 0:3328df4c3116 | 99 | sd.unmount(); |
ftagius | 3:e3974328d808 | 100 | pc.printf("Event: "); |
ftagius | 3:e3974328d808 | 101 | switch (interruptSource) |
ftagius | 3:e3974328d808 | 102 | { |
ftagius | 3:e3974328d808 | 103 | case 1: |
ftagius | 3:e3974328d808 | 104 | pc.printf("Noise level too high\r\n"); |
ftagius | 3:e3974328d808 | 105 | break; |
ftagius | 3:e3974328d808 | 106 | case 4: |
ftagius | 3:e3974328d808 | 107 | pc.printf("Disturber\r\n"); |
ftagius | 3:e3974328d808 | 108 | break; |
ftagius | 3:e3974328d808 | 109 | case 8: |
ftagius | 3:e3974328d808 | 110 | pc.printf("Lightning detection, distance=%dkm energy=%ld\r\n", distance, energy); |
ftagius | 3:e3974328d808 | 111 | ld.clearStats(); |
ftagius | 3:e3974328d808 | 112 | break; |
ftagius | 3:e3974328d808 | 113 | default: |
ftagius | 3:e3974328d808 | 114 | pc.printf("Unknown interrupt %d\r\n", OriginInt); |
ftagius | 3:e3974328d808 | 115 | |
ftagius | 3:e3974328d808 | 116 | } |
ftagius | 3:e3974328d808 | 117 | |
ftagius | 3:e3974328d808 | 118 | if (debug) |
ftagius | 3:e3974328d808 | 119 | pc.printf("Closed log file %s\r\n",logFilePath); |
ftagius | 0:3328df4c3116 | 120 | } |
ftagius | 0:3328df4c3116 | 121 | |
cmkachur | 4:4d26ba1ae0f7 | 122 | |
cmkachur | 4:4d26ba1ae0f7 | 123 | void writeCfgFile(unsigned char *pBuff, unsigned char buffLen, unsigned char fwVer) |
cmkachur | 4:4d26ba1ae0f7 | 124 | { |
cmkachur | 4:4d26ba1ae0f7 | 125 | char cfgFilePath[128]; |
cmkachur | 4:4d26ba1ae0f7 | 126 | FILE *fp; |
cmkachur | 4:4d26ba1ae0f7 | 127 | unsigned char cnt = 0; |
cmkachur | 4:4d26ba1ae0f7 | 128 | |
cmkachur | 4:4d26ba1ae0f7 | 129 | sprintf(cfgFilePath, "%s/%s", directory, "config_data.csv"); |
cmkachur | 4:4d26ba1ae0f7 | 130 | sd.mount(); |
cmkachur | 4:4d26ba1ae0f7 | 131 | fp = fopen(cfgFilePath, "w"); |
cmkachur | 4:4d26ba1ae0f7 | 132 | if(fp == NULL) { |
cmkachur | 4:4d26ba1ae0f7 | 133 | // retry |
cmkachur | 4:4d26ba1ae0f7 | 134 | wait_ms(200); |
cmkachur | 4:4d26ba1ae0f7 | 135 | fp = fopen(cfgFilePath, "w"); |
cmkachur | 4:4d26ba1ae0f7 | 136 | if (fp == NULL) |
cmkachur | 4:4d26ba1ae0f7 | 137 | { |
cmkachur | 4:4d26ba1ae0f7 | 138 | printf("Could not open file %s for writing\r\n",cfgFilePath); |
cmkachur | 4:4d26ba1ae0f7 | 139 | sd.unmount(); |
cmkachur | 4:4d26ba1ae0f7 | 140 | printf("unmount sd card \r\n"); |
cmkachur | 4:4d26ba1ae0f7 | 141 | return; |
cmkachur | 4:4d26ba1ae0f7 | 142 | } |
cmkachur | 4:4d26ba1ae0f7 | 143 | } |
cmkachur | 4:4d26ba1ae0f7 | 144 | if (debug) |
cmkachur | 4:4d26ba1ae0f7 | 145 | pc.printf("Opened log file %s\r\n",cfgFilePath); |
cmkachur | 4:4d26ba1ae0f7 | 146 | |
cmkachur | 4:4d26ba1ae0f7 | 147 | // write the header |
cmkachur | 4:4d26ba1ae0f7 | 148 | fprintf(fp,"# FW_VER,REG0,REG1,REG2,REG3,REG4,REG5,REG6,REG7,REG8\r\n"); |
cmkachur | 4:4d26ba1ae0f7 | 149 | |
cmkachur | 4:4d26ba1ae0f7 | 150 | // write the firmware version |
cmkachur | 4:4d26ba1ae0f7 | 151 | fprintf(fp,"%d,", fwVer); |
cmkachur | 4:4d26ba1ae0f7 | 152 | |
cmkachur | 4:4d26ba1ae0f7 | 153 | // write all the configuration registers |
cmkachur | 4:4d26ba1ae0f7 | 154 | for (cnt = 0; cnt < buffLen && cnt < MAX_CONFIG_REGS; ++cnt) |
cmkachur | 4:4d26ba1ae0f7 | 155 | fprintf(fp,"0x%x,", pBuff[cnt]); |
cmkachur | 4:4d26ba1ae0f7 | 156 | |
cmkachur | 4:4d26ba1ae0f7 | 157 | fflush(fp); |
cmkachur | 4:4d26ba1ae0f7 | 158 | f_sync((FIL*)fp); |
cmkachur | 4:4d26ba1ae0f7 | 159 | fclose(fp); |
cmkachur | 4:4d26ba1ae0f7 | 160 | sd.unmount(); |
cmkachur | 4:4d26ba1ae0f7 | 161 | |
cmkachur | 4:4d26ba1ae0f7 | 162 | if (debug) |
cmkachur | 4:4d26ba1ae0f7 | 163 | pc.printf("Closed cfg file %s\r\n",cfgFilePath); |
cmkachur | 4:4d26ba1ae0f7 | 164 | } |
cmkachur | 4:4d26ba1ae0f7 | 165 | |
cmkachur | 4:4d26ba1ae0f7 | 166 | |
cmkachur | 4:4d26ba1ae0f7 | 167 | |
ftagius | 0:3328df4c3116 | 168 | int main() |
ftagius | 0:3328df4c3116 | 169 | { |
cmkachur | 4:4d26ba1ae0f7 | 170 | unsigned char regBuff[MAX_CONFIG_REGS]; |
ftagius | 0:3328df4c3116 | 171 | char c; |
ftagius | 0:3328df4c3116 | 172 | Timer refresh_Timer; //sets up a timer for use in loop; how often do we print GPS info? |
ftagius | 0:3328df4c3116 | 173 | const int refresh_Time = 1000; //refresh time in ms |
ftagius | 0:3328df4c3116 | 174 | TSISensor tsi; // touch slider |
ftagius | 0:3328df4c3116 | 175 | unsigned long measFreq; |
ftagius | 1:10d2a051285e | 176 | rdistance=-1; |
ftagius | 1:10d2a051285e | 177 | rinterrupt=-1; |
ftagius | 0:3328df4c3116 | 178 | pc.baud(9600); |
ftagius | 0:3328df4c3116 | 179 | // initializations for gps |
ftagius | 0:3328df4c3116 | 180 | green = 1; |
ftagius | 0:3328df4c3116 | 181 | gpsd.setBaud(9600); |
ftagius | 0:3328df4c3116 | 182 | gpsd.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA); |
ftagius | 0:3328df4c3116 | 183 | gpsd.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ); |
ftagius | 0:3328df4c3116 | 184 | gpsd.sendCommand(PGCMD_ANTENNA); |
ftagius | 0:3328df4c3116 | 185 | gpsd.day=01; |
ftagius | 0:3328df4c3116 | 186 | gpsd.month=01; |
ftagius | 0:3328df4c3116 | 187 | gpsd.year=15; |
ftagius | 0:3328df4c3116 | 188 | gpsd.hour=1; |
ftagius | 0:3328df4c3116 | 189 | gpsd.minute=1; |
ftagius | 0:3328df4c3116 | 190 | gpsd.seconds=1; |
ftagius | 0:3328df4c3116 | 191 | red = 1; |
ftagius | 0:3328df4c3116 | 192 | green = 1; |
ftagius | 3:e3974328d808 | 193 | pc.printf("Touch slider to start lightning detector application\r\n"); |
ftagius | 0:3328df4c3116 | 194 | while(1) { |
ftagius | 0:3328df4c3116 | 195 | green = 1; // turn led off |
ftagius | 0:3328df4c3116 | 196 | wait_ms(200); |
ftagius | 0:3328df4c3116 | 197 | if (tsi.readPercentage()) |
ftagius | 0:3328df4c3116 | 198 | break; |
ftagius | 0:3328df4c3116 | 199 | green = 0; // turn led on |
ftagius | 0:3328df4c3116 | 200 | wait_ms(200); |
ftagius | 0:3328df4c3116 | 201 | if (tsi.readPercentage()) |
ftagius | 0:3328df4c3116 | 202 | break; |
ftagius | 0:3328df4c3116 | 203 | } |
ftagius | 0:3328df4c3116 | 204 | |
ftagius | 3:e3974328d808 | 205 | pc.printf("\r\nInitialize lightning detector\r\n"); |
ftagius | 0:3328df4c3116 | 206 | //initializations for lightning detector |
ftagius | 0:3328df4c3116 | 207 | ld.init(); |
ftagius | 0:3328df4c3116 | 208 | ld.clearStats(); |
ftagius | 1:10d2a051285e | 209 | |
cmkachur | 2:3edb129c60b2 | 210 | ld.calibrateRCOs(IntLightning); |
ftagius | 0:3328df4c3116 | 211 | measFreq = ld.tuneAntenna(IntLightning); |
ftagius | 1:10d2a051285e | 212 | |
ftagius | 1:10d2a051285e | 213 | ld.setOutdoors(); |
ftagius | 0:3328df4c3116 | 214 | ld.setMinimumLightnings(0); |
ftagius | 0:3328df4c3116 | 215 | ld.setSpikeRejection(2); |
ftagius | 0:3328df4c3116 | 216 | ld.setNoiseFloor(2); |
cmkachur | 4:4d26ba1ae0f7 | 217 | |
ftagius | 0:3328df4c3116 | 218 | ld.enableDisturbers(); |
ftagius | 0:3328df4c3116 | 219 | ld.setWatchdogThreshold(4); |
ftagius | 0:3328df4c3116 | 220 | IntLightning.rise(&DetectLightning); |
ftagius | 0:3328df4c3116 | 221 | int MinBlysk = ld.getMinimumLightnings(); |
ftagius | 0:3328df4c3116 | 222 | int Noise = ld.getNoiseFloor(); |
ftagius | 0:3328df4c3116 | 223 | int TuneCap = ld.getTuneCap(); |
ftagius | 0:3328df4c3116 | 224 | int SpikeRej = ld.getSpikeRejection(); |
ftagius | 0:3328df4c3116 | 225 | int WatchDog = ld.getWatchdogThreshold(); |
ftagius | 0:3328df4c3116 | 226 | |
ftagius | 3:e3974328d808 | 227 | pc.printf("\r\n Min wylad: %i", MinBlysk); |
ftagius | 0:3328df4c3116 | 228 | pc.printf("\r\n"); |
ftagius | 0:3328df4c3116 | 229 | pc.printf(" Gain: 0x%02x\r\n",ld.getGain()); |
ftagius | 0:3328df4c3116 | 230 | pc.printf(" Noise: %i", Noise); |
ftagius | 0:3328df4c3116 | 231 | pc.printf("\r\n"); |
ftagius | 0:3328df4c3116 | 232 | pc.printf(" Tune CAP: %i", TuneCap); |
ftagius | 0:3328df4c3116 | 233 | pc.printf("\r\n"); |
ftagius | 0:3328df4c3116 | 234 | pc.printf(" Spike rej: %i", SpikeRej); |
ftagius | 0:3328df4c3116 | 235 | pc.printf("\r\n"); |
ftagius | 0:3328df4c3116 | 236 | pc.printf(" Watchdog: %i", WatchDog); |
ftagius | 0:3328df4c3116 | 237 | pc.printf("\r\n"); |
ftagius | 0:3328df4c3116 | 238 | pc.printf(" LCO calibration: %ld Hz\n\r", measFreq); |
ftagius | 0:3328df4c3116 | 239 | |
ftagius | 0:3328df4c3116 | 240 | |
ftagius | 0:3328df4c3116 | 241 | refresh_Timer.start(); //starts the clock on the timer |
ftagius | 0:3328df4c3116 | 242 | //Mount the filesystem |
ftagius | 0:3328df4c3116 | 243 | sd.mount(); |
ftagius | 0:3328df4c3116 | 244 | mkdir(directory, 0777); |
ftagius | 1:10d2a051285e | 245 | sd.unmount(); |
cmkachur | 4:4d26ba1ae0f7 | 246 | |
cmkachur | 4:4d26ba1ae0f7 | 247 | // get a copy of all config registers |
cmkachur | 4:4d26ba1ae0f7 | 248 | ld.getConfigRegisters(regBuff, sizeof(regBuff)); |
cmkachur | 4:4d26ba1ae0f7 | 249 | |
cmkachur | 4:4d26ba1ae0f7 | 250 | // write to the config file |
cmkachur | 4:4d26ba1ae0f7 | 251 | writeCfgFile(regBuff, sizeof(regBuff), FW_VER); |
ftagius | 1:10d2a051285e | 252 | |
ftagius | 0:3328df4c3116 | 253 | bool gpsFix=false; |
ftagius | 0:3328df4c3116 | 254 | while (1) |
ftagius | 0:3328df4c3116 | 255 | { |
ftagius | 3:e3974328d808 | 256 | if (OriginInt != -1) |
ftagius | 3:e3974328d808 | 257 | { |
ftagius | 3:e3974328d808 | 258 | // the ld detector generated an interrupt, log the event |
ftagius | 3:e3974328d808 | 259 | IntLightning.disable_irq(); |
ftagius | 3:e3974328d808 | 260 | writeLogFile(OriginInt,distance, energy); |
ftagius | 3:e3974328d808 | 261 | ld.clearStats(); |
ftagius | 3:e3974328d808 | 262 | OriginInt = -1; |
ftagius | 3:e3974328d808 | 263 | distance = -1; |
ftagius | 3:e3974328d808 | 264 | energy = -1; |
ftagius | 3:e3974328d808 | 265 | IntLightning.enable_irq(); |
ftagius | 3:e3974328d808 | 266 | } |
ftagius | 3:e3974328d808 | 267 | |
ftagius | 0:3328df4c3116 | 268 | c = gpsd.read(); //queries the GPS |
ftagius | 0:3328df4c3116 | 269 | if (debug) |
ftagius | 0:3328df4c3116 | 270 | { |
ftagius | 0:3328df4c3116 | 271 | if (c) { |
ftagius | 0:3328df4c3116 | 272 | printf("%c", c); //this line will echo the GPS data if not paused |
ftagius | 0:3328df4c3116 | 273 | continue; |
ftagius | 0:3328df4c3116 | 274 | } |
ftagius | 0:3328df4c3116 | 275 | } |
ftagius | 0:3328df4c3116 | 276 | |
ftagius | 0:3328df4c3116 | 277 | //check if we recieved a new message from GPS, if so, attempt to parse it, |
ftagius | 0:3328df4c3116 | 278 | if ( gpsd.newNMEAreceived() ) { |
ftagius | 0:3328df4c3116 | 279 | if ( !gpsd.parse(gpsd.lastNMEA()) ) { |
ftagius | 0:3328df4c3116 | 280 | continue; |
ftagius | 0:3328df4c3116 | 281 | } |
ftagius | 0:3328df4c3116 | 282 | } |
ftagius | 0:3328df4c3116 | 283 | |
ftagius | 0:3328df4c3116 | 284 | // update globals with the lastest gps time stamp |
ftagius | 0:3328df4c3116 | 285 | day=gpsd.day; |
ftagius | 0:3328df4c3116 | 286 | month=gpsd.month; |
ftagius | 0:3328df4c3116 | 287 | year=gpsd.year; |
ftagius | 0:3328df4c3116 | 288 | hour=gpsd.hour; |
ftagius | 0:3328df4c3116 | 289 | minute=gpsd.minute; |
ftagius | 0:3328df4c3116 | 290 | seconds=gpsd.seconds; |
ftagius | 0:3328df4c3116 | 291 | |
ftagius | 0:3328df4c3116 | 292 | //check if enough time has passed to warrant printing GPS info to screen |
ftagius | 0:3328df4c3116 | 293 | //note if refresh_Time is too low or pc.baud is too low, GPS data may be lost during printing |
ftagius | 0:3328df4c3116 | 294 | if (refresh_Timer.read_ms() >= refresh_Time) |
ftagius | 0:3328df4c3116 | 295 | { |
ftagius | 0:3328df4c3116 | 296 | if (gpsd.fix) { |
ftagius | 0:3328df4c3116 | 297 | // got a gps fix |
ftagius | 0:3328df4c3116 | 298 | if (gpsFix == false) |
ftagius | 0:3328df4c3116 | 299 | { |
ftagius | 0:3328df4c3116 | 300 | // first time fix obtained |
ftagius | 0:3328df4c3116 | 301 | gpsFix = true; |
ftagius | 0:3328df4c3116 | 302 | pc.printf("GPS fix obtained on %02d/%02d/20%02d_%02d:%02d:%02d (UTC)\r\n",gpsd.month,gpsd.day,gpsd.year,gpsd.hour,gpsd.minute,gpsd.seconds); |
ftagius | 1:10d2a051285e | 303 | //pc.printf("Touch slider to suspend application\r\n"); |
ftagius | 0:3328df4c3116 | 304 | pc.printf("Waiting for lighting detection...\r\n"); |
ftagius | 0:3328df4c3116 | 305 | } |
ftagius | 0:3328df4c3116 | 306 | |
ftagius | 0:3328df4c3116 | 307 | //red = 1; // turn led off |
ftagius | 0:3328df4c3116 | 308 | //pc.printf("turn green on\r\n"); |
ftagius | 0:3328df4c3116 | 309 | green = 0; // turn led on |
ftagius | 0:3328df4c3116 | 310 | wait_ms(50); |
ftagius | 0:3328df4c3116 | 311 | } |
ftagius | 0:3328df4c3116 | 312 | else |
ftagius | 0:3328df4c3116 | 313 | { |
ftagius | 3:e3974328d808 | 314 | gpsFix = false; |
ftagius | 0:3328df4c3116 | 315 | pc.printf("Waiting for GPS FIX\r\n"); |
ftagius | 0:3328df4c3116 | 316 | red = 0; // turn led on |
ftagius | 0:3328df4c3116 | 317 | } |
ftagius | 0:3328df4c3116 | 318 | |
ftagius | 0:3328df4c3116 | 319 | // restart the timer for the gps print loop |
ftagius | 0:3328df4c3116 | 320 | // writeLogFile(-2); |
ftagius | 0:3328df4c3116 | 321 | refresh_Timer.reset(); |
ftagius | 0:3328df4c3116 | 322 | } |
ftagius | 0:3328df4c3116 | 323 | else |
ftagius | 0:3328df4c3116 | 324 | { |
ftagius | 0:3328df4c3116 | 325 | //red = 0; // turn led on |
ftagius | 0:3328df4c3116 | 326 | //pc.printf("turn green off\r\n"); |
ftagius | 0:3328df4c3116 | 327 | green = 1; // turn green led off |
ftagius | 0:3328df4c3116 | 328 | } // end else refresh timer |
ftagius | 0:3328df4c3116 | 329 | } |
ftagius | 0:3328df4c3116 | 330 | |
ftagius | 0:3328df4c3116 | 331 | } |