Greg Voronin / Mbed OS gammaCanary02

This version is the one to be submitted as a part the Hackster.io contest, Unleash Invisible Intelligence

main.cpp@0:a761fba7f8a8, 2018-07-31 (annotated)

Committer:
gov1
Date:
Tue Jul 31 16:30:32 2018 +0000
Revision:
0:a761fba7f8a8
complete version with emer. batt low check

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gov1 0:a761fba7f8a8 1 #include "mbed.h"
gov1 0:a761fba7f8a8 2 #include "LoRa.h"
gov1 0:a761fba7f8a8 3 #include "MBed_Adafruit_GPS.h"
gov1 0:a761fba7f8a8 4 #include "MAX17055.h"
gov1 0:a761fba7f8a8 5
gov1 0:a761fba7f8a8 6 Serial pc (USBTX, USBRX); // debug serial port
gov1 0:a761fba7f8a8 7 DigitalOut led1(LED1); // debug blinker
gov1 0:a761fba7f8a8 8
gov1 0:a761fba7f8a8 9 /******************************************************************************/
gov1 0:a761fba7f8a8 10 /*************************** Power & Fuel Gauge *******************************/
gov1 0:a761fba7f8a8 11 /******************************************************************************/
gov1 0:a761fba7f8a8 12 DigitalOut powerHLD(P2_2, 1); //keep power on when connected to battery
gov1 0:a761fba7f8a8 13 I2C i2c(I2C2_SDA, I2C2_SCL);
gov1 0:a761fba7f8a8 14 MAX17055 max17055(i2c);
gov1 0:a761fba7f8a8 15 int gaugeStatus;
gov1 0:a761fba7f8a8 16 int stateOfCharge, timeToEmpty;
gov1 0:a761fba7f8a8 17 float batteryVoltage, batteryCurrent, boardTemperature, tteReport;
gov1 0:a761fba7f8a8 18 #define FUEL_REFRESH 30 // 120 secs, 2 minutes for now, testing . . .
gov1 0:a761fba7f8a8 19
gov1 0:a761fba7f8a8 20 Timer fuelTimer;
gov1 0:a761fba7f8a8 21 Timer batteryEmergencyPause; // avoid sending alert right after starting unit up!
gov1 0:a761fba7f8a8 22 bool startBatteryEmergency;
gov1 0:a761fba7f8a8 23 bool inBatteryEmergencyState;
gov1 0:a761fba7f8a8 24 #define EMERBEGIN 180000 // 3 minutes in millissecond after setup runs
gov1 0:a761fba7f8a8 25 void readFuelGauge(void);
gov1 0:a761fba7f8a8 26 /************************* End Power & Fuel Guage *****************************/
gov1 0:a761fba7f8a8 27
gov1 0:a761fba7f8a8 28 /******************************************************************************/
gov1 0:a761fba7f8a8 29 /***************************** LoRa TxRx **************************************/
gov1 0:a761fba7f8a8 30 /******************************************************************************/
gov1 0:a761fba7f8a8 31 #define GATEWAYID 0x30 // LoRa Gateway ID
gov1 0:a761fba7f8a8 32 #define LOCALADDRESSID 0x31 // this gamma canary ID
gov1 0:a761fba7f8a8 33 #define GPSDATA 0x40
gov1 0:a761fba7f8a8 34 #define CPMDATA 0x41
gov1 0:a761fba7f8a8 35 #define FUELDATA 0x42
gov1 0:a761fba7f8a8 36 #define LOWBATTERY 0x43
gov1 0:a761fba7f8a8 37 // #define CPMALERT 0x44
gov1 0:a761fba7f8a8 38
gov1 0:a761fba7f8a8 39 // data transmission/report intervals
gov1 0:a761fba7f8a8 40 // #define LOCATION_INTERVAL 15.0 // GPS location every 120 secs
gov1 0:a761fba7f8a8 41 // #define CPM_INTERVAL 60.0 // CPM every 60 secs
gov1 0:a761fba7f8a8 42 // #define FUEL_INTERVAL 90.0 // Fuel Gauge every 90 secs
gov1 0:a761fba7f8a8 43
gov1 0:a761fba7f8a8 44 // data transmission/report intervals
gov1 0:a761fba7f8a8 45 float LOCATION_INTERVAL = 15.0; // GPS location every 120 secs
gov1 0:a761fba7f8a8 46 float CPM_INTERVAL = 60.0; // CPM every 60 secs
gov1 0:a761fba7f8a8 47 float FUEL_INTERVAL = 90.0; // Fuel Gauge every 90 secs
gov1 0:a761fba7f8a8 48
gov1 0:a761fba7f8a8 49 volatile int locationCountDown, cpmCountDown, fuelCountDown;
gov1 0:a761fba7f8a8 50
gov1 0:a761fba7f8a8 51 Ticker transmissionTicker;
gov1 0:a761fba7f8a8 52 void transmitLoRaTicker(void)
gov1 0:a761fba7f8a8 53 {
gov1 0:a761fba7f8a8 54 if (locationCountDown > 0) locationCountDown--;
gov1 0:a761fba7f8a8 55 if (cpmCountDown > 0) cpmCountDown--;
gov1 0:a761fba7f8a8 56 if (fuelCountDown >0) fuelCountDown--;
gov1 0:a761fba7f8a8 57 }
gov1 0:a761fba7f8a8 58
gov1 0:a761fba7f8a8 59 void transmitLocation(void);
gov1 0:a761fba7f8a8 60 void transmitCPM(void);
gov1 0:a761fba7f8a8 61 void transmitFuel(void);
gov1 0:a761fba7f8a8 62 void batteryLowTransmit();
gov1 0:a761fba7f8a8 63 void onReceive(int packetSize);
gov1 0:a761fba7f8a8 64 /*************************** End LoRa *****************************************/
gov1 0:a761fba7f8a8 65
gov1 0:a761fba7f8a8 66 /******************************************************************************/
gov1 0:a761fba7f8a8 67 /******************************** GPS *****************************************/
gov1 0:a761fba7f8a8 68 /******************************************************************************/
gov1 0:a761fba7f8a8 69 double currentLatitude, currentLongitude, previousLatitude, previousLongitude;
gov1 0:a761fba7f8a8 70 Serial * _gpsSerial;
gov1 0:a761fba7f8a8 71
gov1 0:a761fba7f8a8 72 #define GPS_REFRESH 5000 // 2000 millisecs???
gov1 0:a761fba7f8a8 73 Timer gpsTimer; // GPS data collection/refresh timer
gov1 0:a761fba7f8a8 74
gov1 0:a761fba7f8a8 75 void transformGPSData(double lat, char p, double lon, char m);
gov1 0:a761fba7f8a8 76 // GPS command list at http://www.adafruit.com/datasheets/PMTK_A08.pdf
gov1 0:a761fba7f8a8 77 /**************************** End GPS *****************************************/
gov1 0:a761fba7f8a8 78
gov1 0:a761fba7f8a8 79 /******************************************************************************/
gov1 0:a761fba7f8a8 80 /*********************** Begin Radiation Monitoring ***************************/
gov1 0:a761fba7f8a8 81 /******************************************************************************/
gov1 0:a761fba7f8a8 82 // PMOD Port 1 pins for radiation sensor
gov1 0:a761fba7f8a8 83 volatile int signalCounter, noiseCounter;
gov1 0:a761fba7f8a8 84 InterruptIn signalPin(P1_0);
gov1 0:a761fba7f8a8 85 InterruptIn noisePin(P1_1);
gov1 0:a761fba7f8a8 86 // interrupt service routines(ISR) which count are called whenever signal or noise pins are triggered
gov1 0:a761fba7f8a8 87 void signalISR(){ signalCounter++; led1 = !led1;}
gov1 0:a761fba7f8a8 88 void noiseISR(){ noiseCounter++; }
gov1 0:a761fba7f8a8 89
gov1 0:a761fba7f8a8 90 // #define CPMALERTLEVEL 50 // set very low or testing purposes.
gov1 0:a761fba7f8a8 91 // #DEFINE CPMMAXALERTS 3 // only three at a time to not bomb SMS network!
gov1 0:a761fba7f8a8 92 #define CPM_REFRESH 60 // 60 seconds in a minute
gov1 0:a761fba7f8a8 93 Timer cpmTimer; // CPM data collection, determine total current counts per minute
gov1 0:a761fba7f8a8 94
gov1 0:a761fba7f8a8 95 int currentSignalCount, currentNoiseCount, previousCPM, currentCPM;
gov1 0:a761fba7f8a8 96 int previousTotalSignalCount, previousTotalNoiseCount;
gov1 0:a761fba7f8a8 97
gov1 0:a761fba7f8a8 98 void calculateCPM();
gov1 0:a761fba7f8a8 99 /*********************** End Radiation Monitoring *****************************/
gov1 0:a761fba7f8a8 100
gov1 0:a761fba7f8a8 101
gov1 0:a761fba7f8a8 102 int main()
gov1 0:a761fba7f8a8 103 {
gov1 0:a761fba7f8a8 104 /****************************** Setup *************************************/
gov1 0:a761fba7f8a8 105 pc.printf(" ********* gamma canary v001 ********* \n");
gov1 0:a761fba7f8a8 106
gov1 0:a761fba7f8a8 107 /** 0. Confirm running on battery power **/
gov1 0:a761fba7f8a8 108 if (powerHLD.is_connected()) {pc.printf("Battery power connected...\n");}
gov1 0:a761fba7f8a8 109
gov1 0:a761fba7f8a8 110 /** 1. LoRa TxRx initialization **/
gov1 0:a761fba7f8a8 111 if (!LoRa.begin(915E6)) {pc.printf("LoRa not found!");}
gov1 0:a761fba7f8a8 112 else { pc.printf("LoRa started...\n");}
gov1 0:a761fba7f8a8 113 // LoRa.onReceive(onReceive);
gov1 0:a761fba7f8a8 114 // LoRa.receive();
gov1 0:a761fba7f8a8 115 transmissionTicker.attach(&transmitLoRaTicker,1.0);
gov1 0:a761fba7f8a8 116
gov1 0:a761fba7f8a8 117 /** 2. GPS/NMEA Initialization **/
gov1 0:a761fba7f8a8 118 currentLongitude = 0.00;
gov1 0:a761fba7f8a8 119 previousLongitude = currentLongitude;
gov1 0:a761fba7f8a8 120 currentLatitude = 0.00;
gov1 0:a761fba7f8a8 121 previousLatitude = currentLatitude;
gov1 0:a761fba7f8a8 122
gov1 0:a761fba7f8a8 123 _gpsSerial = new Serial(P3_1,P3_0); //serial object for use w/ GPS
gov1 0:a761fba7f8a8 124 Adafruit_GPS myGPS(_gpsSerial);
gov1 0:a761fba7f8a8 125 myGPS.begin(9600);
gov1 0:a761fba7f8a8 126 char c;
gov1 0:a761fba7f8a8 127 myGPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA); //these commands are defined in MBed_Adafruit_GPS.h; a link is provided there for command creation
gov1 0:a761fba7f8a8 128 myGPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
gov1 0:a761fba7f8a8 129 myGPS.sendCommand(PGCMD_ANTENNA);
gov1 0:a761fba7f8a8 130 gpsTimer.start();
gov1 0:a761fba7f8a8 131 pc.printf("GPS setup done...\n");
gov1 0:a761fba7f8a8 132
gov1 0:a761fba7f8a8 133 //** 3. Radiation Detecton - CPM(Counts Per Minute)
gov1 0:a761fba7f8a8 134 currentSignalCount = 0;
gov1 0:a761fba7f8a8 135 previousTotalSignalCount = 0;
gov1 0:a761fba7f8a8 136 currentNoiseCount = 0;
gov1 0:a761fba7f8a8 137 previousTotalNoiseCount = 0;
gov1 0:a761fba7f8a8 138 currentCPM = 0;
gov1 0:a761fba7f8a8 139 previousCPM = 0;
gov1 0:a761fba7f8a8 140 signalPin.rise(&signalISR); // attach ISR function to the rising edge
gov1 0:a761fba7f8a8 141 noisePin.rise(&noiseISR); // attach ISR function to the rising edge
gov1 0:a761fba7f8a8 142 cpmTimer.start();
gov1 0:a761fba7f8a8 143 pc.printf("Starting radiation monitoring...\n");
gov1 0:a761fba7f8a8 144
gov1 0:a761fba7f8a8 145 /** 4. Fuel Gauge/Battery Monitoring **/
gov1 0:a761fba7f8a8 146 max17055.init(0.05f);
gov1 0:a761fba7f8a8 147 max17055.status(&gaugeStatus);
gov1 0:a761fba7f8a8 148 fuelTimer.start();
gov1 0:a761fba7f8a8 149 startBatteryEmergency = false;
gov1 0:a761fba7f8a8 150 inBatteryEmergencyState = false;
gov1 0:a761fba7f8a8 151 batteryEmergencyPause.start();
gov1 0:a761fba7f8a8 152 pc.printf("MAX17055 status: %04X\r\n", (uint16_t)gaugeStatus);
gov1 0:a761fba7f8a8 153 wait(3.0);
gov1 0:a761fba7f8a8 154 pc.printf("Setup complete...\n");
gov1 0:a761fba7f8a8 155
gov1 0:a761fba7f8a8 156 /***************************** End Setup **********************************/
gov1 0:a761fba7f8a8 157 // loop()
gov1 0:a761fba7f8a8 158 while(1)
gov1 0:a761fba7f8a8 159 {
gov1 0:a761fba7f8a8 160
gov1 0:a761fba7f8a8 161 /** GPS/Location Data Collection"loop" here **/
gov1 0:a761fba7f8a8 162 c = myGPS.read(); //queries the GPS
gov1 0:a761fba7f8a8 163 if ( myGPS.newNMEAreceived() )
gov1 0:a761fba7f8a8 164 {
gov1 0:a761fba7f8a8 165 if ( !myGPS.parse(myGPS.lastNMEA()) ) {
gov1 0:a761fba7f8a8 166 continue;
gov1 0:a761fba7f8a8 167 }
gov1 0:a761fba7f8a8 168 }
gov1 0:a761fba7f8a8 169
gov1 0:a761fba7f8a8 170 //check if enough time has passed to warrant printing GPS info to screen
gov1 0:a761fba7f8a8 171 //note if refresh_Time is too low or pc.baud is too low, GPS data may be lost during printing
gov1 0:a761fba7f8a8 172 if (gpsTimer.read_ms() >= GPS_REFRESH)
gov1 0:a761fba7f8a8 173 {
gov1 0:a761fba7f8a8 174 gpsTimer.reset();
gov1 0:a761fba7f8a8 175 if (myGPS.fix) {
gov1 0:a761fba7f8a8 176 // pc.printf("Location: %5.2f%c, %5.2f%c\n", myGPS.latitude, myGPS.lat, myGPS.longitude, myGPS.lon);
gov1 0:a761fba7f8a8 177 // previousLatitude = currentLatitude;
gov1 0:a761fba7f8a8 178 // previousLongitude = currentLongitude;
gov1 0:a761fba7f8a8 179 // currentLatitude = myGPS.latitude;
gov1 0:a761fba7f8a8 180 // currentLongitude = myGPS.longitude;
gov1 0:a761fba7f8a8 181 transformGPSData(myGPS.latitude, myGPS.lat, myGPS.longitude, myGPS.lon);
gov1 0:a761fba7f8a8 182 }
gov1 0:a761fba7f8a8 183 }
gov1 0:a761fba7f8a8 184
gov1 0:a761fba7f8a8 185 if (cpmTimer.read() >= CPM_REFRESH)
gov1 0:a761fba7f8a8 186 {
gov1 0:a761fba7f8a8 187 cpmTimer.reset();
gov1 0:a761fba7f8a8 188 calculateCPM();
gov1 0:a761fba7f8a8 189 }
gov1 0:a761fba7f8a8 190
gov1 0:a761fba7f8a8 191 if (fuelTimer.read() >= FUEL_REFRESH)
gov1 0:a761fba7f8a8 192 {
gov1 0:a761fba7f8a8 193 fuelTimer.reset();
gov1 0:a761fba7f8a8 194 readFuelGauge();
gov1 0:a761fba7f8a8 195 }
gov1 0:a761fba7f8a8 196
gov1 0:a761fba7f8a8 197 // special 1 time timer to begin battery monitoring for emergency lo battery warning
gov1 0:a761fba7f8a8 198
gov1 0:a761fba7f8a8 199 if( batteryEmergencyPause.read_ms() >= EMERBEGIN )
gov1 0:a761fba7f8a8 200 {
gov1 0:a761fba7f8a8 201 batteryEmergencyPause.stop();
gov1 0:a761fba7f8a8 202 startBatteryEmergency = true;
gov1 0:a761fba7f8a8 203 }
gov1 0:a761fba7f8a8 204
gov1 0:a761fba7f8a8 205 /** LoRa Data Transmision **/
gov1 0:a761fba7f8a8 206 if (locationCountDown == 0)
gov1 0:a761fba7f8a8 207 {
gov1 0:a761fba7f8a8 208 locationCountDown = LOCATION_INTERVAL;
gov1 0:a761fba7f8a8 209 transmitLocation();
gov1 0:a761fba7f8a8 210 }
gov1 0:a761fba7f8a8 211 if (cpmCountDown == 0)
gov1 0:a761fba7f8a8 212 {
gov1 0:a761fba7f8a8 213 cpmCountDown = CPM_INTERVAL;
gov1 0:a761fba7f8a8 214 transmitCPM();
gov1 0:a761fba7f8a8 215 }
gov1 0:a761fba7f8a8 216 if (fuelCountDown == 0)
gov1 0:a761fba7f8a8 217 {
gov1 0:a761fba7f8a8 218 fuelCountDown = FUEL_INTERVAL;
gov1 0:a761fba7f8a8 219 transmitFuel();
gov1 0:a761fba7f8a8 220 }
gov1 0:a761fba7f8a8 221
gov1 0:a761fba7f8a8 222 } // end loop
gov1 0:a761fba7f8a8 223
gov1 0:a761fba7f8a8 224 }
gov1 0:a761fba7f8a8 225
gov1 0:a761fba7f8a8 226 /** GPS Functions **/
gov1 0:a761fba7f8a8 227 void transformGPSData(double lat, char parallel, double lon, char meridian)
gov1 0:a761fba7f8a8 228 {
gov1 0:a761fba7f8a8 229 float degrees = floor(lat/100.00);
gov1 0:a761fba7f8a8 230 double minutes = lat - (100.00*degrees);
gov1 0:a761fba7f8a8 231 minutes /= 60.00;
gov1 0:a761fba7f8a8 232 degrees += minutes;
gov1 0:a761fba7f8a8 233 if (parallel=='S') { degrees *= -1.00; }
gov1 0:a761fba7f8a8 234
gov1 0:a761fba7f8a8 235 double dLatitude = degrees;
gov1 0:a761fba7f8a8 236
gov1 0:a761fba7f8a8 237 degrees = floor(lon/100.00);
gov1 0:a761fba7f8a8 238 minutes = lon - (100.00*degrees);
gov1 0:a761fba7f8a8 239 minutes /= 60.00;
gov1 0:a761fba7f8a8 240 degrees += minutes;
gov1 0:a761fba7f8a8 241 if (meridian == 'W') { degrees *= -1.00; }
gov1 0:a761fba7f8a8 242
gov1 0:a761fba7f8a8 243 double dLongitude = degrees;
gov1 0:a761fba7f8a8 244 currentLatitude = dLatitude;
gov1 0:a761fba7f8a8 245 currentLongitude = dLongitude;
gov1 0:a761fba7f8a8 246 pc.printf("LAT: %f ", dLatitude);
gov1 0:a761fba7f8a8 247 pc.printf("LON: %f\n", dLongitude);
gov1 0:a761fba7f8a8 248 }
gov1 0:a761fba7f8a8 249
gov1 0:a761fba7f8a8 250 /** CPM functions **/
gov1 0:a761fba7f8a8 251 void calculateCPM()
gov1 0:a761fba7f8a8 252 {
gov1 0:a761fba7f8a8 253
gov1 0:a761fba7f8a8 254 currentSignalCount = signalCounter - previousTotalSignalCount;
gov1 0:a761fba7f8a8 255 previousTotalSignalCount = signalCounter;
gov1 0:a761fba7f8a8 256
gov1 0:a761fba7f8a8 257 currentNoiseCount = noiseCounter - previousTotalNoiseCount;
gov1 0:a761fba7f8a8 258 previousTotalNoiseCount = noiseCounter;
gov1 0:a761fba7f8a8 259
gov1 0:a761fba7f8a8 260 previousCPM = currentCPM;
gov1 0:a761fba7f8a8 261 currentCPM = currentSignalCount - currentNoiseCount;
gov1 0:a761fba7f8a8 262
gov1 0:a761fba7f8a8 263 pc.printf("signal: %d, noise: %d, ", currentSignalCount, currentNoiseCount);
gov1 0:a761fba7f8a8 264 pc.printf("Current CPM: %d\n", currentCPM);
gov1 0:a761fba7f8a8 265
gov1 0:a761fba7f8a8 266 }
gov1 0:a761fba7f8a8 267
gov1 0:a761fba7f8a8 268 /** Fuel Guage Functions **/
gov1 0:a761fba7f8a8 269 void readFuelGauge()
gov1 0:a761fba7f8a8 270 {
gov1 0:a761fba7f8a8 271 max17055.v_cell(&batteryVoltage);
gov1 0:a761fba7f8a8 272 printf("%6.3fV ", batteryVoltage);
gov1 0:a761fba7f8a8 273
gov1 0:a761fba7f8a8 274 max17055.current(&batteryCurrent);
gov1 0:a761fba7f8a8 275 printf("%6.3fI ", batteryCurrent);
gov1 0:a761fba7f8a8 276
gov1 0:a761fba7f8a8 277 max17055.temp(&boardTemperature);
gov1 0:a761fba7f8a8 278 printf("%6.3fC ", boardTemperature);
gov1 0:a761fba7f8a8 279
gov1 0:a761fba7f8a8 280 max17055.reportSOC(&stateOfCharge);
gov1 0:a761fba7f8a8 281 if (startBatteryEmergency and !inBatteryEmergencyState)
gov1 0:a761fba7f8a8 282 {
gov1 0:a761fba7f8a8 283 pc.printf("emergency battery monitoring set\n");
gov1 0:a761fba7f8a8 284 if (stateOfCharge < 51.0)
gov1 0:a761fba7f8a8 285 {
gov1 0:a761fba7f8a8 286 inBatteryEmergencyState = true; // prevents sending messages over and over again, future versions to reset this when bat > 50 again;
gov1 0:a761fba7f8a8 287 batteryLowTransmit();
gov1 0:a761fba7f8a8 288 }
gov1 0:a761fba7f8a8 289 }
gov1 0:a761fba7f8a8 290 printf(" SOC:%d\\% ",stateOfCharge);
gov1 0:a761fba7f8a8 291
gov1 0:a761fba7f8a8 292 // max17055.tte1(&timeToEmpty);
gov1 0:a761fba7f8a8 293 // tteReport = ((5.625)*timeToEmpty)/120.0;
gov1 0:a761fba7f8a8 294 // printf(" TTE:%6.2fhours \n", tteReport);
gov1 0:a761fba7f8a8 295
gov1 0:a761fba7f8a8 296 }
gov1 0:a761fba7f8a8 297
gov1 0:a761fba7f8a8 298 /** LoRa TxRx Functions **/
gov1 0:a761fba7f8a8 299 void transmitLocation()
gov1 0:a761fba7f8a8 300 {
gov1 0:a761fba7f8a8 301 // transmite GPS/Location data, lat/lon
gov1 0:a761fba7f8a8 302 LoRa.beginPacket();
gov1 0:a761fba7f8a8 303
gov1 0:a761fba7f8a8 304 // Packet Header
gov1 0:a761fba7f8a8 305 LoRa.printf("%c",LOCALADDRESSID); LoRa.printf("**");
gov1 0:a761fba7f8a8 306 LoRa.printf("%c",GPSDATA); LoRa.printf("**");
gov1 0:a761fba7f8a8 307
gov1 0:a761fba7f8a8 308 // Packet Contents
gov1 0:a761fba7f8a8 309 LoRa.printf("%f",currentLatitude);LoRa.printf("**");
gov1 0:a761fba7f8a8 310 LoRa.printf("%f",currentLongitude);LoRa.printf("**");
gov1 0:a761fba7f8a8 311
gov1 0:a761fba7f8a8 312 LoRa.endPacket();
gov1 0:a761fba7f8a8 313 pc.printf("LoRa GPS Packet Sent\n");
gov1 0:a761fba7f8a8 314 }
gov1 0:a761fba7f8a8 315
gov1 0:a761fba7f8a8 316 void transmitCPM()
gov1 0:a761fba7f8a8 317 {
gov1 0:a761fba7f8a8 318 // Transmit Radiation data: CPM = Counts Per Minute, current reading
gov1 0:a761fba7f8a8 319 LoRa.beginPacket();
gov1 0:a761fba7f8a8 320
gov1 0:a761fba7f8a8 321 // Packet Header
gov1 0:a761fba7f8a8 322 LoRa.printf("%c",LOCALADDRESSID); LoRa.printf("**");
gov1 0:a761fba7f8a8 323 LoRa.printf("%c",CPMDATA); LoRa.printf("**");
gov1 0:a761fba7f8a8 324
gov1 0:a761fba7f8a8 325 // Packet Contents
gov1 0:a761fba7f8a8 326 LoRa.printf("%d",currentCPM);LoRa.printf("**");
gov1 0:a761fba7f8a8 327 LoRa.printf("%d", "-1");LoRa.printf("**");
gov1 0:a761fba7f8a8 328
gov1 0:a761fba7f8a8 329 LoRa.endPacket();
gov1 0:a761fba7f8a8 330 pc.printf("LoRa CPM Packet Sent\n");
gov1 0:a761fba7f8a8 331 }
gov1 0:a761fba7f8a8 332 void transmitFuel()
gov1 0:a761fba7f8a8 333 {
gov1 0:a761fba7f8a8 334 // Transimet Battery/Fuel Gauge data: voltage, current, temp
gov1 0:a761fba7f8a8 335 LoRa.beginPacket();
gov1 0:a761fba7f8a8 336
gov1 0:a761fba7f8a8 337 // Packet Header
gov1 0:a761fba7f8a8 338 LoRa.printf("%c",LOCALADDRESSID); LoRa.printf("**");
gov1 0:a761fba7f8a8 339 LoRa.printf("%c",FUELDATA); LoRa.printf("**");
gov1 0:a761fba7f8a8 340
gov1 0:a761fba7f8a8 341 LoRa.printf("%d",stateOfCharge);LoRa.printf("**");
gov1 0:a761fba7f8a8 342 LoRa.printf("%f",tteReport);LoRa.printf("**"); // time to empty in hours
gov1 0:a761fba7f8a8 343 LoRa.printf("%f",boardTemperature);LoRa.printf("**");
gov1 0:a761fba7f8a8 344
gov1 0:a761fba7f8a8 345 // Packet Contents
gov1 0:a761fba7f8a8 346
gov1 0:a761fba7f8a8 347 LoRa.endPacket();
gov1 0:a761fba7f8a8 348 pc.printf("LoRa Fuel Gauge Packet Sent\n");
gov1 0:a761fba7f8a8 349 }
gov1 0:a761fba7f8a8 350
gov1 0:a761fba7f8a8 351 void batteryLowTransmit()
gov1 0:a761fba7f8a8 352 {
gov1 0:a761fba7f8a8 353 /** broadcast warning low battery/increased transmisson intervals **/
gov1 0:a761fba7f8a8 354
gov1 0:a761fba7f8a8 355 // extend transmission intervals to conserve power
gov1 0:a761fba7f8a8 356 LOCATION_INTERVAL = 150.0;
gov1 0:a761fba7f8a8 357 CPM_INTERVAL = 600.0;
gov1 0:a761fba7f8a8 358 FUEL_INTERVAL = 900.0;
gov1 0:a761fba7f8a8 359
gov1 0:a761fba7f8a8 360 // Transimet Battery/Fuel Gauge data: voltage, current, temp
gov1 0:a761fba7f8a8 361 LoRa.beginPacket();
gov1 0:a761fba7f8a8 362
gov1 0:a761fba7f8a8 363 // Packet Header
gov1 0:a761fba7f8a8 364 LoRa.printf("%c",LOCALADDRESSID); LoRa.printf("**");
gov1 0:a761fba7f8a8 365 LoRa.printf("%c",LOWBATTERY); LoRa.printf("**");
gov1 0:a761fba7f8a8 366
gov1 0:a761fba7f8a8 367 LoRa.printf("%d",stateOfCharge);LoRa.printf("**");
gov1 0:a761fba7f8a8 368
gov1 0:a761fba7f8a8 369 LoRa.endPacket();
gov1 0:a761fba7f8a8 370 pc.printf("LoRa Low Battery Packet Sent\n");
gov1 0:a761fba7f8a8 371
gov1 0:a761fba7f8a8 372 }
gov1 0:a761fba7f8a8 373
gov1 0:a761fba7f8a8 374 void onReceive(int packetSize)
gov1 0:a761fba7f8a8 375 {
gov1 0:a761fba7f8a8 376 char msg[45];
gov1 0:a761fba7f8a8 377 pc.printf("PACKET RECEIVED, SIZE:%d \n", packetSize);
gov1 0:a761fba7f8a8 378 for (int i = 0; i<packetSize; i++)
gov1 0:a761fba7f8a8 379 { if ( i < 45)
gov1 0:a761fba7f8a8 380 {
gov1 0:a761fba7f8a8 381 msg[i] = (char)LoRa._getc();
gov1 0:a761fba7f8a8 382 }
gov1 0:a761fba7f8a8 383 }
gov1 0:a761fba7f8a8 384 pc.printf("RSSI: %d, ", LoRa.packetRssi()); pc.printf("MSG:%s \n",msg);
gov1 0:a761fba7f8a8 385 if (msg[0] == LOCALADDRESSID)
gov1 0:a761fba7f8a8 386 {
gov1 0:a761fba7f8a8 387 pc.printf("received from %x\n", msg[0]);
gov1 0:a761fba7f8a8 388 }
gov1 0:a761fba7f8a8 389 else {
gov1 0:a761fba7f8a8 390 pc.printf("dont know who, %x is, ignore msg\n", msg[0]);
gov1 0:a761fba7f8a8 391 }
gov1 0:a761fba7f8a8 392 }