CaryCoders / Mbed 2 deprecated zeus

basic lightning detector with gps and sd card logging

Dependencies:   AS3935 AdafruitGPS SDFileSystem TSI mbed ConfigFile

main.cpp@6:96b0dbe76357, 2015-06-30 (annotated)

Committer:
cmkachur
Date:
Tue Jun 30 16:21:39 2015 +0000
Revision:
6:96b0dbe76357
Parent:
5:1d4fd419cfb7
Child:
8:f8830b6c6d9b
Add ability to read a zeus.cfg configuration file used for setting registers in the AS3935. If the file does not exist, create the file with default parameters.

Who changed what in which revision?

UserRevisionLine numberNew 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"
cmkachur 6:96b0dbe76357 7 #include "ConfigFile.h"
cmkachur 6:96b0dbe76357 8 #include <string>
ftagius 0:3328df4c3116 9
cmkachur 6:96b0dbe76357 10 #define FW_VER 3
cmkachur 4:4d26ba1ae0f7 11
ftagius 3:e3974328d808 12 // frdm-kl25z as3935 connections for spi1
ftagius 0:3328df4c3116 13 // ------------------------------------------------
ftagius 0:3328df4c3116 14 // Header -- kl25z -- SD/MMC
ftagius 0:3328df4c3116 15 // J2-20 -- PTE1 -- MOSI
ftagius 0:3328df4c3116 16 // J9-13 -- PTE4 -- CS
ftagius 0:3328df4c3116 17 // J2-14 -- GND -- Vss (GND)
ftagius 0:3328df4c3116 18 // J9-9 -- PTE2 -- SCK
ftagius 0:3328df4c3116 19 // J9-11 -- PTE3 -- MISO
ftagius 0:3328df4c3116 20
ftagius 0:3328df4c3116 21 AS3935 ld(PTE1, PTE3, PTE2, PTE4, "ld", 1000000); // MOSI, MISO, SCK, CS, SPI bus freq (hz)
ftagius 0:3328df4c3116 22 InterruptIn IntLightning(PTA12); //IRQ AS3935
ftagius 0:3328df4c3116 23
ftagius 0:3328df4c3116 24
ftagius 0:3328df4c3116 25 // frdm-kl25z sd card connections spi0
ftagius 0:3328df4c3116 26 // ------------------------------------------------
ftagius 0:3328df4c3116 27 // Header -- kl25z -- SPI
ftagius 0:3328df4c3116 28 // J2-8 -- PTD2 -- MOSI
ftagius 0:3328df4c3116 29 // J2-6 -- PTD0 -- CS
ftagius 0:3328df4c3116 30 // J9-12 -- GND -- Vss (GND)
ftagius 0:3328df4c3116 31 // J9-4 -- P3V3 -- Vdd (+3.3v)
ftagius 0:3328df4c3116 32 // J2-12 -- PTD1 -- SCK
ftagius 0:3328df4c3116 33 // J9-14 -- GND -- Vss (GND)
ftagius 0:3328df4c3116 34 // J2-10 -- PTD3 -- MISO
ftagius 0:3328df4c3116 35
ftagius 0:3328df4c3116 36 SDFileSystem sd(PTD2, PTD3, PTD1, PTD0, "sd"); // MOSI, MISO, SCK, CS
ftagius 0:3328df4c3116 37
ftagius 0:3328df4c3116 38 Serial pc(USBTX, USBRX);
ftagius 0:3328df4c3116 39 GPS gpsd(PTE20, PTE21);
ftagius 0:3328df4c3116 40 DigitalOut red(LED_RED);
ftagius 0:3328df4c3116 41 DigitalOut green(LED_GREEN);
ftagius 0:3328df4c3116 42 //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 43 bool debug=false;
ftagius 0:3328df4c3116 44 int day, month,year,hour,minute,seconds;
cmkachur 2:3edb129c60b2 45 void writeLogFile(int interruptSource, int distance, long energy);
ftagius 1:10d2a051285e 46 char logName[]="lightning_data.csv";
ftagius 1:10d2a051285e 47 int rdistance, rinterrupt;
ftagius 1:10d2a051285e 48 char directory[]="/sd/lightning_data";
ftagius 3:e3974328d808 49 int OriginInt=-1;
cmkachur 6:96b0dbe76357 50 int gDistance=-1;
ftagius 3:e3974328d808 51 long energy=-1;
ftagius 0:3328df4c3116 52
cmkachur 6:96b0dbe76357 53 typedef struct
cmkachur 6:96b0dbe76357 54 {
cmkachur 6:96b0dbe76357 55 unsigned int bOutdoorMode;
cmkachur 6:96b0dbe76357 56 unsigned int noiseFloor;
cmkachur 6:96b0dbe76357 57 unsigned int wdogThresh;
cmkachur 6:96b0dbe76357 58 unsigned int bClrStat;
cmkachur 6:96b0dbe76357 59 unsigned int minNumLight;
cmkachur 6:96b0dbe76357 60 unsigned int spikeRej;
cmkachur 6:96b0dbe76357 61 unsigned int maskDisturber;
cmkachur 6:96b0dbe76357 62 }sys_cfg_t;
cmkachur 6:96b0dbe76357 63
cmkachur 6:96b0dbe76357 64 // default configuration values
cmkachur 6:96b0dbe76357 65 sys_cfg_t sysCfg = { .bOutdoorMode = 1,
cmkachur 6:96b0dbe76357 66 .noiseFloor = 2,
cmkachur 6:96b0dbe76357 67 .wdogThresh = 2,
cmkachur 6:96b0dbe76357 68 .bClrStat = 0,
cmkachur 6:96b0dbe76357 69 .minNumLight = 0,
cmkachur 6:96b0dbe76357 70 .spikeRej = 2,
cmkachur 6:96b0dbe76357 71 .maskDisturber = 0,
cmkachur 6:96b0dbe76357 72 };
cmkachur 6:96b0dbe76357 73
cmkachur 6:96b0dbe76357 74
ftagius 0:3328df4c3116 75 void DetectLightning()
ftagius 0:3328df4c3116 76 {
ftagius 0:3328df4c3116 77 OriginInt = ld.interruptSource();
cmkachur 6:96b0dbe76357 78 gDistance = ld.lightningDistanceKm();
ftagius 3:e3974328d808 79 energy = ld.getEnergy();
ftagius 0:3328df4c3116 80 }
ftagius 0:3328df4c3116 81
cmkachur 2:3edb129c60b2 82 void writeLogFile(int interruptSource, int distance, long energy)
ftagius 0:3328df4c3116 83 {
ftagius 1:10d2a051285e 84 char logFilePath[128];
ftagius 0:3328df4c3116 85 static bool header=false;
ftagius 0:3328df4c3116 86 FILE *fp;
ftagius 1:10d2a051285e 87
ftagius 1:10d2a051285e 88 sprintf(logFilePath, "%s/%s", directory,logName);
ftagius 0:3328df4c3116 89 sd.mount();
ftagius 1:10d2a051285e 90 fp = fopen(logFilePath, "a");
ftagius 0:3328df4c3116 91 if(fp == NULL) {
ftagius 0:3328df4c3116 92 // retry
ftagius 3:e3974328d808 93 wait_ms(200);
ftagius 1:10d2a051285e 94 fp = fopen(logFilePath, "a");
ftagius 0:3328df4c3116 95 if (fp == NULL)
ftagius 0:3328df4c3116 96 {
ftagius 1:10d2a051285e 97 printf("Could not open file %s for writing\r\n",logFilePath);
ftagius 0:3328df4c3116 98 sd.unmount();
ftagius 1:10d2a051285e 99 printf("unmount sd card \r\n");
ftagius 0:3328df4c3116 100 return;
ftagius 0:3328df4c3116 101 }
ftagius 0:3328df4c3116 102 }
ftagius 3:e3974328d808 103 if (debug)
ftagius 3:e3974328d808 104 pc.printf("Opened log file %s\r\n",logFilePath);
ftagius 0:3328df4c3116 105 // write the log file header
ftagius 0:3328df4c3116 106 if (header == false)
ftagius 0:3328df4c3116 107 {
cmkachur 2:3edb129c60b2 108 fprintf(fp,"# date,time,raw timestamp,latitude,longitude,distance,interrupt,energy\r\n");
ftagius 0:3328df4c3116 109 header = true;
ftagius 0:3328df4c3116 110 }
ftagius 0:3328df4c3116 111 // write to the current log file
ftagius 0:3328df4c3116 112 fprintf(fp,"%02d/%02d/20%02d,", gpsd.month, gpsd.day, gpsd.year);
ftagius 0:3328df4c3116 113 fprintf(fp,"%02d:%02d:%02d,", gpsd.hour, gpsd.minute, gpsd.seconds);
ftagius 0:3328df4c3116 114 fprintf(fp,"%7.0f,",gpsd.timef);
ftagius 0:3328df4c3116 115 fprintf(fp,"%5.7f,%5.7f,", gpsd.lat_deg, gpsd.lon_deg);
ftagius 1:10d2a051285e 116 fprintf(fp,"%d,",distance);
cmkachur 2:3edb129c60b2 117 fprintf(fp,"%d,",interruptSource);
cmkachur 2:3edb129c60b2 118 fprintf(fp,"%ld",energy);
ftagius 0:3328df4c3116 119 fprintf(fp,"\r\n");
ftagius 0:3328df4c3116 120 fflush(fp);
ftagius 0:3328df4c3116 121 f_sync((FIL*)fp);
ftagius 0:3328df4c3116 122 fclose(fp);
ftagius 0:3328df4c3116 123 sd.unmount();
ftagius 3:e3974328d808 124 pc.printf("Event: ");
ftagius 3:e3974328d808 125 switch (interruptSource)
ftagius 3:e3974328d808 126 {
ftagius 3:e3974328d808 127 case 1:
ftagius 3:e3974328d808 128 pc.printf("Noise level too high\r\n");
ftagius 3:e3974328d808 129 break;
ftagius 3:e3974328d808 130 case 4:
ftagius 3:e3974328d808 131 pc.printf("Disturber\r\n");
ftagius 3:e3974328d808 132 break;
ftagius 3:e3974328d808 133 case 8:
ftagius 3:e3974328d808 134 pc.printf("Lightning detection, distance=%dkm energy=%ld\r\n", distance, energy);
cmkachur 6:96b0dbe76357 135
cmkachur 6:96b0dbe76357 136 if (sysCfg.bClrStat)
cmkachur 6:96b0dbe76357 137 ld.clearStats();
ftagius 3:e3974328d808 138 break;
ftagius 3:e3974328d808 139 default:
ftagius 3:e3974328d808 140 pc.printf("Unknown interrupt %d\r\n", OriginInt);
ftagius 3:e3974328d808 141
ftagius 3:e3974328d808 142 }
ftagius 3:e3974328d808 143
ftagius 3:e3974328d808 144 if (debug)
ftagius 3:e3974328d808 145 pc.printf("Closed log file %s\r\n",logFilePath);
ftagius 0:3328df4c3116 146 }
ftagius 0:3328df4c3116 147
cmkachur 4:4d26ba1ae0f7 148
cmkachur 4:4d26ba1ae0f7 149 void writeCfgFile(unsigned char *pBuff, unsigned char buffLen, unsigned char fwVer)
cmkachur 4:4d26ba1ae0f7 150 {
cmkachur 4:4d26ba1ae0f7 151 char cfgFilePath[128];
cmkachur 4:4d26ba1ae0f7 152 FILE *fp;
cmkachur 4:4d26ba1ae0f7 153 unsigned char cnt = 0;
cmkachur 4:4d26ba1ae0f7 154
cmkachur 4:4d26ba1ae0f7 155 sprintf(cfgFilePath, "%s/%s", directory, "config_data.csv");
cmkachur 4:4d26ba1ae0f7 156 sd.mount();
cmkachur 4:4d26ba1ae0f7 157 fp = fopen(cfgFilePath, "w");
cmkachur 4:4d26ba1ae0f7 158 if(fp == NULL) {
cmkachur 4:4d26ba1ae0f7 159 // retry
cmkachur 4:4d26ba1ae0f7 160 wait_ms(200);
cmkachur 4:4d26ba1ae0f7 161 fp = fopen(cfgFilePath, "w");
cmkachur 4:4d26ba1ae0f7 162 if (fp == NULL)
cmkachur 4:4d26ba1ae0f7 163 {
cmkachur 4:4d26ba1ae0f7 164 printf("Could not open file %s for writing\r\n",cfgFilePath);
cmkachur 4:4d26ba1ae0f7 165 sd.unmount();
cmkachur 4:4d26ba1ae0f7 166 printf("unmount sd card \r\n");
cmkachur 4:4d26ba1ae0f7 167 return;
cmkachur 4:4d26ba1ae0f7 168 }
cmkachur 4:4d26ba1ae0f7 169 }
cmkachur 4:4d26ba1ae0f7 170 if (debug)
cmkachur 4:4d26ba1ae0f7 171 pc.printf("Opened log file %s\r\n",cfgFilePath);
cmkachur 4:4d26ba1ae0f7 172
cmkachur 4:4d26ba1ae0f7 173 // write the header
cmkachur 4:4d26ba1ae0f7 174 fprintf(fp,"# FW_VER,REG0,REG1,REG2,REG3,REG4,REG5,REG6,REG7,REG8\r\n");
cmkachur 4:4d26ba1ae0f7 175
cmkachur 4:4d26ba1ae0f7 176 // write the firmware version
cmkachur 4:4d26ba1ae0f7 177 fprintf(fp,"%d,", fwVer);
cmkachur 4:4d26ba1ae0f7 178
cmkachur 4:4d26ba1ae0f7 179 // write all the configuration registers
cmkachur 4:4d26ba1ae0f7 180 for (cnt = 0; cnt < buffLen && cnt < MAX_CONFIG_REGS; ++cnt)
cmkachur 4:4d26ba1ae0f7 181 fprintf(fp,"0x%x,", pBuff[cnt]);
cmkachur 4:4d26ba1ae0f7 182
cmkachur 4:4d26ba1ae0f7 183 fflush(fp);
cmkachur 4:4d26ba1ae0f7 184 f_sync((FIL*)fp);
cmkachur 4:4d26ba1ae0f7 185 fclose(fp);
cmkachur 4:4d26ba1ae0f7 186 sd.unmount();
cmkachur 4:4d26ba1ae0f7 187
cmkachur 4:4d26ba1ae0f7 188 if (debug)
cmkachur 4:4d26ba1ae0f7 189 pc.printf("Closed cfg file %s\r\n",cfgFilePath);
cmkachur 4:4d26ba1ae0f7 190 }
cmkachur 4:4d26ba1ae0f7 191
cmkachur 4:4d26ba1ae0f7 192
cmkachur 6:96b0dbe76357 193 bool readCfgFile(char *paDirectory, sys_cfg_t *paSysCfg)
cmkachur 6:96b0dbe76357 194 {
cmkachur 6:96b0dbe76357 195 bool bRetVal = false;
cmkachur 6:96b0dbe76357 196 sys_cfg_t lSysCfg;
cmkachur 6:96b0dbe76357 197 typedef struct
cmkachur 6:96b0dbe76357 198 {
cmkachur 6:96b0dbe76357 199 const char *token;
cmkachur 6:96b0dbe76357 200 unsigned int *value;
cmkachur 6:96b0dbe76357 201 }token_map_t;
cmkachur 6:96b0dbe76357 202
cmkachur 6:96b0dbe76357 203 token_map_t tokenMap[] = { {"outdoor_mode", &lSysCfg.bOutdoorMode},
cmkachur 6:96b0dbe76357 204 {"noise_floor", &lSysCfg.noiseFloor},
cmkachur 6:96b0dbe76357 205 {"watchdog_threshold", &lSysCfg.wdogThresh},
cmkachur 6:96b0dbe76357 206 {"clear_stat", &lSysCfg.bClrStat},
cmkachur 6:96b0dbe76357 207 {"minimum_num_light", &lSysCfg.minNumLight},
cmkachur 6:96b0dbe76357 208 {"spike_reject", &lSysCfg.spikeRej},
cmkachur 6:96b0dbe76357 209 {"mask_disturber", &lSysCfg.maskDisturber},
cmkachur 6:96b0dbe76357 210 };
cmkachur 6:96b0dbe76357 211 ConfigFile *plCfgFile;
cmkachur 6:96b0dbe76357 212 string fileName;
cmkachur 6:96b0dbe76357 213 int count = sizeof(tokenMap) / sizeof(token_map_t);
cmkachur 6:96b0dbe76357 214 char szValue[8];
cmkachur 6:96b0dbe76357 215
cmkachur 6:96b0dbe76357 216 if ((NULL == paDirectory) || (NULL == paSysCfg))
cmkachur 6:96b0dbe76357 217 return false;
cmkachur 6:96b0dbe76357 218
cmkachur 6:96b0dbe76357 219 // start with whatever configuration params are passed in, in case some params are not found in the file
cmkachur 6:96b0dbe76357 220 lSysCfg = *paSysCfg;
cmkachur 6:96b0dbe76357 221
cmkachur 6:96b0dbe76357 222 plCfgFile = new ConfigFile();
cmkachur 6:96b0dbe76357 223 fileName = paDirectory;
cmkachur 6:96b0dbe76357 224 fileName += "/";
cmkachur 6:96b0dbe76357 225 fileName += "zeus.cfg";
cmkachur 6:96b0dbe76357 226
cmkachur 6:96b0dbe76357 227 sd.mount();
cmkachur 6:96b0dbe76357 228 printf ("\n\rReading configuration file[%s]\n\r", fileName.c_str());
cmkachur 6:96b0dbe76357 229
cmkachur 6:96b0dbe76357 230 // try to read values from the configuration file
cmkachur 6:96b0dbe76357 231 if (plCfgFile->read((char *)fileName.c_str()))
cmkachur 6:96b0dbe76357 232 {
cmkachur 6:96b0dbe76357 233 for (int i = 0; i < count; ++i)
cmkachur 6:96b0dbe76357 234 {
cmkachur 6:96b0dbe76357 235 if (plCfgFile->getValue((char *)tokenMap[i].token, szValue, sizeof(szValue)))
cmkachur 6:96b0dbe76357 236 {
cmkachur 6:96b0dbe76357 237 if (1 == sscanf(szValue, "%d", tokenMap[i].value))
cmkachur 6:96b0dbe76357 238 {
cmkachur 6:96b0dbe76357 239 printf ("Convert success %s[%d]\n\r", tokenMap[i].token, *(tokenMap[i].value));
cmkachur 6:96b0dbe76357 240 }
cmkachur 6:96b0dbe76357 241 }
cmkachur 6:96b0dbe76357 242 }
cmkachur 6:96b0dbe76357 243
cmkachur 6:96b0dbe76357 244 // copy out the new found values
cmkachur 6:96b0dbe76357 245 *paSysCfg = lSysCfg;
cmkachur 6:96b0dbe76357 246 bRetVal = true;
cmkachur 6:96b0dbe76357 247 }
cmkachur 6:96b0dbe76357 248 else
cmkachur 6:96b0dbe76357 249 {
cmkachur 6:96b0dbe76357 250 printf ("Failed to read configuration file[%s]\n\r", fileName.c_str());
cmkachur 6:96b0dbe76357 251
cmkachur 6:96b0dbe76357 252 // try to create a default configuration file
cmkachur 6:96b0dbe76357 253 for (int i = 0; i < count; ++i)
cmkachur 6:96b0dbe76357 254 {
cmkachur 6:96b0dbe76357 255 if (snprintf(szValue, sizeof(szValue), "%d", *(tokenMap[i].value)))
cmkachur 6:96b0dbe76357 256 {
cmkachur 6:96b0dbe76357 257 if (plCfgFile->setValue((char *)tokenMap[i].token, szValue))
cmkachur 6:96b0dbe76357 258 {
cmkachur 6:96b0dbe76357 259 printf ("Token creation success %s[%s]\n\r", tokenMap[i].token, szValue);
cmkachur 6:96b0dbe76357 260 }
cmkachur 6:96b0dbe76357 261 }
cmkachur 6:96b0dbe76357 262 }
cmkachur 6:96b0dbe76357 263 if (plCfgFile->write((char *)fileName.c_str(), NULL, DOS))
cmkachur 6:96b0dbe76357 264 printf ("Success: Created default configuration file [%s]\n\r", fileName.c_str());
cmkachur 6:96b0dbe76357 265 else
cmkachur 6:96b0dbe76357 266 printf ("Failed to create default configuration file [%s]\n\r", fileName.c_str());
cmkachur 6:96b0dbe76357 267 }
cmkachur 6:96b0dbe76357 268
cmkachur 6:96b0dbe76357 269 if (plCfgFile)
cmkachur 6:96b0dbe76357 270 delete plCfgFile;
cmkachur 6:96b0dbe76357 271
cmkachur 6:96b0dbe76357 272 sd.unmount();
cmkachur 6:96b0dbe76357 273 return bRetVal;
cmkachur 6:96b0dbe76357 274 }
cmkachur 6:96b0dbe76357 275
cmkachur 4:4d26ba1ae0f7 276
ftagius 0:3328df4c3116 277 int main()
ftagius 0:3328df4c3116 278 {
cmkachur 6:96b0dbe76357 279
cmkachur 4:4d26ba1ae0f7 280 unsigned char regBuff[MAX_CONFIG_REGS];
ftagius 0:3328df4c3116 281 char c;
ftagius 0:3328df4c3116 282 Timer refresh_Timer; //sets up a timer for use in loop; how often do we print GPS info?
ftagius 0:3328df4c3116 283 const int refresh_Time = 1000; //refresh time in ms
ftagius 0:3328df4c3116 284 TSISensor tsi; // touch slider
ftagius 0:3328df4c3116 285 unsigned long measFreq;
ftagius 1:10d2a051285e 286 rdistance=-1;
ftagius 1:10d2a051285e 287 rinterrupt=-1;
ftagius 0:3328df4c3116 288 pc.baud(9600);
ftagius 0:3328df4c3116 289 // initializations for gps
ftagius 0:3328df4c3116 290 green = 1;
ftagius 0:3328df4c3116 291 gpsd.setBaud(9600);
ftagius 0:3328df4c3116 292 gpsd.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
ftagius 0:3328df4c3116 293 gpsd.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
ftagius 0:3328df4c3116 294 gpsd.sendCommand(PGCMD_ANTENNA);
ftagius 0:3328df4c3116 295 gpsd.day=01;
ftagius 0:3328df4c3116 296 gpsd.month=01;
ftagius 0:3328df4c3116 297 gpsd.year=15;
ftagius 0:3328df4c3116 298 gpsd.hour=1;
ftagius 0:3328df4c3116 299 gpsd.minute=1;
ftagius 0:3328df4c3116 300 gpsd.seconds=1;
ftagius 0:3328df4c3116 301 red = 1;
ftagius 0:3328df4c3116 302 green = 1;
ftagius 3:e3974328d808 303 pc.printf("Touch slider to start lightning detector application\r\n");
ftagius 0:3328df4c3116 304 while(1) {
ftagius 0:3328df4c3116 305 green = 1; // turn led off
ftagius 0:3328df4c3116 306 wait_ms(200);
ftagius 0:3328df4c3116 307 if (tsi.readPercentage())
ftagius 0:3328df4c3116 308 break;
ftagius 0:3328df4c3116 309 green = 0; // turn led on
ftagius 0:3328df4c3116 310 wait_ms(200);
ftagius 0:3328df4c3116 311 if (tsi.readPercentage())
ftagius 0:3328df4c3116 312 break;
ftagius 0:3328df4c3116 313 }
cmkachur 6:96b0dbe76357 314 //Mount the filesystem
cmkachur 6:96b0dbe76357 315 sd.mount();
cmkachur 6:96b0dbe76357 316 mkdir(directory, 0777);
cmkachur 6:96b0dbe76357 317 sd.unmount();
cmkachur 6:96b0dbe76357 318
cmkachur 6:96b0dbe76357 319 // read configuration values fro SD file system to allow override of defaults in sysCfg
cmkachur 6:96b0dbe76357 320 readCfgFile(directory, &sysCfg);
cmkachur 6:96b0dbe76357 321
ftagius 0:3328df4c3116 322
ftagius 3:e3974328d808 323 pc.printf("\r\nInitialize lightning detector\r\n");
ftagius 0:3328df4c3116 324 //initializations for lightning detector
ftagius 0:3328df4c3116 325 ld.init();
ftagius 0:3328df4c3116 326 ld.clearStats();
ftagius 1:10d2a051285e 327
cmkachur 5:1d4fd419cfb7 328 /* The precision of the calibration will depend on the
cmkachur 5:1d4fd419cfb7 329 accuracy of the resonance frequency of the antenna. It is
cmkachur 5:1d4fd419cfb7 330 recommended to first trim the receiver antenna before the
cmkachur 5:1d4fd419cfb7 331 calibration of both oscillators is done.
cmkachur 5:1d4fd419cfb7 332 */
cmkachur 5:1d4fd419cfb7 333 measFreq = ld.tuneAntenna(IntLightning);
cmkachur 2:3edb129c60b2 334 ld.calibrateRCOs(IntLightning);
ftagius 1:10d2a051285e 335
cmkachur 6:96b0dbe76357 336 if (sysCfg.bOutdoorMode)
cmkachur 6:96b0dbe76357 337 ld.setOutdoors();
cmkachur 6:96b0dbe76357 338 else
cmkachur 6:96b0dbe76357 339 ld.setIndoors();
cmkachur 6:96b0dbe76357 340
cmkachur 6:96b0dbe76357 341 ld.setMinimumLightnings(sysCfg.minNumLight);
cmkachur 6:96b0dbe76357 342 ld.setSpikeRejection(sysCfg.spikeRej);
cmkachur 6:96b0dbe76357 343 ld.setNoiseFloor(sysCfg.noiseFloor);
cmkachur 4:4d26ba1ae0f7 344
cmkachur 6:96b0dbe76357 345 if (sysCfg.maskDisturber)
cmkachur 6:96b0dbe76357 346 ld.disableDisturbers();
cmkachur 6:96b0dbe76357 347 else
cmkachur 6:96b0dbe76357 348 ld.enableDisturbers();
cmkachur 6:96b0dbe76357 349
cmkachur 6:96b0dbe76357 350 ld.setWatchdogThreshold(sysCfg.wdogThresh);
ftagius 0:3328df4c3116 351 IntLightning.rise(&DetectLightning);
cmkachur 6:96b0dbe76357 352
cmkachur 6:96b0dbe76357 353 int MinLight = ld.getMinimumLightnings();
cmkachur 6:96b0dbe76357 354 int Noise = ld.getNoiseFloor();
cmkachur 6:96b0dbe76357 355 int TuneCap = ld.getTuneCap();
cmkachur 6:96b0dbe76357 356 int SpikeRej = ld.getSpikeRejection();
cmkachur 6:96b0dbe76357 357 int WatchDog = ld.getWatchdogThreshold();
ftagius 0:3328df4c3116 358
cmkachur 6:96b0dbe76357 359 pc.printf("\r\n Min lightning: %i", MinLight);
ftagius 0:3328df4c3116 360 pc.printf("\r\n");
ftagius 0:3328df4c3116 361 pc.printf(" Gain: 0x%02x\r\n",ld.getGain());
ftagius 0:3328df4c3116 362 pc.printf(" Noise: %i", Noise);
ftagius 0:3328df4c3116 363 pc.printf("\r\n");
ftagius 0:3328df4c3116 364 pc.printf(" Tune CAP: %i", TuneCap);
ftagius 0:3328df4c3116 365 pc.printf("\r\n");
ftagius 0:3328df4c3116 366 pc.printf(" Spike rej: %i", SpikeRej);
ftagius 0:3328df4c3116 367 pc.printf("\r\n");
ftagius 0:3328df4c3116 368 pc.printf(" Watchdog: %i", WatchDog);
ftagius 0:3328df4c3116 369 pc.printf("\r\n");
ftagius 0:3328df4c3116 370 pc.printf(" LCO calibration: %ld Hz\n\r", measFreq);
ftagius 0:3328df4c3116 371
ftagius 0:3328df4c3116 372 refresh_Timer.start(); //starts the clock on the timer
cmkachur 4:4d26ba1ae0f7 373
cmkachur 4:4d26ba1ae0f7 374 // get a copy of all config registers
cmkachur 4:4d26ba1ae0f7 375 ld.getConfigRegisters(regBuff, sizeof(regBuff));
cmkachur 4:4d26ba1ae0f7 376
cmkachur 6:96b0dbe76357 377 pc.printf("\n\rSystem Registers:\n\r");
cmkachur 6:96b0dbe76357 378 for (int i = 0; i < sizeof(regBuff); ++i)
cmkachur 6:96b0dbe76357 379 pc.printf("REG%d [0x%02x]:\n\r", i, regBuff[i]);
cmkachur 6:96b0dbe76357 380 pc.printf("\n\r");
cmkachur 6:96b0dbe76357 381
cmkachur 4:4d26ba1ae0f7 382 // write to the config file
cmkachur 4:4d26ba1ae0f7 383 writeCfgFile(regBuff, sizeof(regBuff), FW_VER);
ftagius 1:10d2a051285e 384
ftagius 0:3328df4c3116 385 bool gpsFix=false;
ftagius 0:3328df4c3116 386 while (1)
ftagius 0:3328df4c3116 387 {
ftagius 3:e3974328d808 388 if (OriginInt != -1)
ftagius 3:e3974328d808 389 {
ftagius 3:e3974328d808 390 // the ld detector generated an interrupt, log the event
ftagius 3:e3974328d808 391 IntLightning.disable_irq();
cmkachur 6:96b0dbe76357 392 writeLogFile(OriginInt,gDistance, energy);
cmkachur 6:96b0dbe76357 393 //ld.clearStats();
ftagius 3:e3974328d808 394 OriginInt = -1;
cmkachur 6:96b0dbe76357 395 gDistance = -1;
ftagius 3:e3974328d808 396 energy = -1;
ftagius 3:e3974328d808 397 IntLightning.enable_irq();
ftagius 3:e3974328d808 398 }
ftagius 3:e3974328d808 399
ftagius 0:3328df4c3116 400 c = gpsd.read(); //queries the GPS
ftagius 0:3328df4c3116 401 if (debug)
ftagius 0:3328df4c3116 402 {
ftagius 0:3328df4c3116 403 if (c) {
ftagius 0:3328df4c3116 404 printf("%c", c); //this line will echo the GPS data if not paused
ftagius 0:3328df4c3116 405 continue;
ftagius 0:3328df4c3116 406 }
ftagius 0:3328df4c3116 407 }
ftagius 0:3328df4c3116 408
ftagius 0:3328df4c3116 409 //check if we recieved a new message from GPS, if so, attempt to parse it,
ftagius 0:3328df4c3116 410 if ( gpsd.newNMEAreceived() ) {
ftagius 0:3328df4c3116 411 if ( !gpsd.parse(gpsd.lastNMEA()) ) {
ftagius 0:3328df4c3116 412 continue;
ftagius 0:3328df4c3116 413 }
ftagius 0:3328df4c3116 414 }
ftagius 0:3328df4c3116 415
ftagius 0:3328df4c3116 416 // update globals with the lastest gps time stamp
ftagius 0:3328df4c3116 417 day=gpsd.day;
ftagius 0:3328df4c3116 418 month=gpsd.month;
ftagius 0:3328df4c3116 419 year=gpsd.year;
ftagius 0:3328df4c3116 420 hour=gpsd.hour;
ftagius 0:3328df4c3116 421 minute=gpsd.minute;
ftagius 0:3328df4c3116 422 seconds=gpsd.seconds;
ftagius 0:3328df4c3116 423
ftagius 0:3328df4c3116 424 //check if enough time has passed to warrant printing GPS info to screen
ftagius 0:3328df4c3116 425 //note if refresh_Time is too low or pc.baud is too low, GPS data may be lost during printing
ftagius 0:3328df4c3116 426 if (refresh_Timer.read_ms() >= refresh_Time)
ftagius 0:3328df4c3116 427 {
ftagius 0:3328df4c3116 428 if (gpsd.fix) {
ftagius 0:3328df4c3116 429 // got a gps fix
ftagius 0:3328df4c3116 430 if (gpsFix == false)
ftagius 0:3328df4c3116 431 {
ftagius 0:3328df4c3116 432 // first time fix obtained
ftagius 0:3328df4c3116 433 gpsFix = true;
ftagius 0:3328df4c3116 434 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 435 //pc.printf("Touch slider to suspend application\r\n");
ftagius 0:3328df4c3116 436 pc.printf("Waiting for lighting detection...\r\n");
ftagius 0:3328df4c3116 437 }
ftagius 0:3328df4c3116 438
ftagius 0:3328df4c3116 439 //red = 1; // turn led off
ftagius 0:3328df4c3116 440 //pc.printf("turn green on\r\n");
ftagius 0:3328df4c3116 441 green = 0; // turn led on
ftagius 0:3328df4c3116 442 wait_ms(50);
ftagius 0:3328df4c3116 443 }
ftagius 0:3328df4c3116 444 else
ftagius 0:3328df4c3116 445 {
ftagius 3:e3974328d808 446 gpsFix = false;
ftagius 0:3328df4c3116 447 pc.printf("Waiting for GPS FIX\r\n");
ftagius 0:3328df4c3116 448 red = 0; // turn led on
ftagius 0:3328df4c3116 449 }
ftagius 0:3328df4c3116 450
ftagius 0:3328df4c3116 451 // restart the timer for the gps print loop
ftagius 0:3328df4c3116 452 // writeLogFile(-2);
ftagius 0:3328df4c3116 453 refresh_Timer.reset();
ftagius 0:3328df4c3116 454 }
ftagius 0:3328df4c3116 455 else
ftagius 0:3328df4c3116 456 {
ftagius 0:3328df4c3116 457 //red = 0; // turn led on
ftagius 0:3328df4c3116 458 //pc.printf("turn green off\r\n");
ftagius 0:3328df4c3116 459 green = 1; // turn green led off
ftagius 0:3328df4c3116 460 } // end else refresh timer
ftagius 0:3328df4c3116 461 }
ftagius 0:3328df4c3116 462
ftagius 0:3328df4c3116 463 }