JEK changes enabling proper recording of IMU/GPS datastrams - 02-APR-2013
Fork of GPS_Incremental by
PCMessaging.h@9:b45feb91ba38, 2013-04-19 (annotated)
- Committer:
- jekain314
- Date:
- Fri Apr 19 16:21:27 2013 +0000
- Revision:
- 9:b45feb91ba38
- Parent:
- 8:13724ed3f825
update to allow better imu gps data collection
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jekain314 | 6:2a8486283198 | 1 | //these are defines for the messages that are sent from the PC across the USB |
jekain314 | 6:2a8486283198 | 2 | //these messages produce reactions on the mbed |
jekain314 | 7:2e20e4cf53e6 | 3 | const unsigned char STATUS_MSG =0; |
jekain314 | 7:2e20e4cf53e6 | 4 | const unsigned char POSVEL_MSG =1; |
jekain314 | 6:2a8486283198 | 5 | const unsigned char STARTDATA_MSG =2; |
jekain314 | 6:2a8486283198 | 6 | const unsigned char STOPDATA_MSG =3; |
jekain314 | 6:2a8486283198 | 7 | const unsigned char STARTSTREAM_MSG =4; |
jekain314 | 6:2a8486283198 | 8 | const unsigned char STOPSTREAM_MSG =5; |
jekain314 | 6:2a8486283198 | 9 | const unsigned char STARTLOGINFO_MSG =6; |
jekain314 | 6:2a8486283198 | 10 | const unsigned char STOPLOGINFO_MSG =7; |
jekain314 | 6:2a8486283198 | 11 | |
jekain314 | 6:2a8486283198 | 12 | const double DEGREES_TO_RADIANS = acos(-1.0)/180.0; |
jekain314 | 6:2a8486283198 | 13 | const double eccen = 0.0818191908426; //WGS84 earth eccentricity |
jekain314 | 6:2a8486283198 | 14 | const double earthRadius = 6378137; //WGS84 earthRadius in meters |
jekain314 | 6:2a8486283198 | 15 | |
jekain314 | 6:2a8486283198 | 16 | char serBuf[128]; |
jekain314 | 6:2a8486283198 | 17 | int serBufChars=0; |
jekain314 | 6:2a8486283198 | 18 | |
jekain314 | 6:2a8486283198 | 19 | //flags to control the PC command actions |
jekain314 | 6:2a8486283198 | 20 | bool sendPosVel =false; |
jekain314 | 6:2a8486283198 | 21 | bool sendStatus =false; |
jekain314 | 6:2a8486283198 | 22 | bool sendRecData =false; |
jekain314 | 6:2a8486283198 | 23 | bool streamPos =false; |
jekain314 | 6:2a8486283198 | 24 | bool sendStreamPos =false; |
jekain314 | 6:2a8486283198 | 25 | bool logMsgInfo =false; |
jekain314 | 6:2a8486283198 | 26 | bool sendLogMsgInfo =false; |
jekain314 | 6:2a8486283198 | 27 | bool recordData =false; |
jekain314 | 6:2a8486283198 | 28 | |
jekain314 | 6:2a8486283198 | 29 | |
jekain314 | 6:2a8486283198 | 30 | const unsigned char numMessages = 8; //number of potential messages |
jekain314 | 6:2a8486283198 | 31 | char msgList[numMessages][32]; //text array storing the command messages from the PC |
jekain314 | 7:2e20e4cf53e6 | 32 | char minMessageSize = 11; //minimum size of a text message |
jekain314 | 6:2a8486283198 | 33 | unsigned char CR = 0x0d; //ASCII Carriage Return |
jekain314 | 6:2a8486283198 | 34 | unsigned char LF = 0x0a; //ASCII Line Feed |
jekain314 | 6:2a8486283198 | 35 | |
jekain314 | 6:2a8486283198 | 36 | void setUpMessages(void) |
jekain314 | 6:2a8486283198 | 37 | { |
jekain314 | 6:2a8486283198 | 38 | //set up the ASCII text records that are candidates to be passed from the PC |
jekain314 | 6:2a8486283198 | 39 | sprintf(msgList[STATUS_MSG], "WMsg STATUS"); |
jekain314 | 6:2a8486283198 | 40 | sprintf(msgList[POSVEL_MSG], "WMsg POSVEL"); |
jekain314 | 6:2a8486283198 | 41 | sprintf(msgList[STARTDATA_MSG], "WMsg RECORDDATA Y"); |
jekain314 | 6:2a8486283198 | 42 | sprintf(msgList[STOPDATA_MSG], "WMsg RECORDDATA N"); |
jekain314 | 6:2a8486283198 | 43 | sprintf(msgList[STARTSTREAM_MSG], "WMsg POSSTREAM Y"); |
jekain314 | 6:2a8486283198 | 44 | sprintf(msgList[STOPSTREAM_MSG], "WMsg POSSTREAM N"); |
jekain314 | 6:2a8486283198 | 45 | sprintf(msgList[STARTLOGINFO_MSG], "WMsg LOGINFO Y"); |
jekain314 | 6:2a8486283198 | 46 | sprintf(msgList[STOPLOGINFO_MSG], "WMsg LOGINFO N"); |
jekain314 | 6:2a8486283198 | 47 | //message length is from 10 to 16 chars |
jekain314 | 6:2a8486283198 | 48 | |
jekain314 | 6:2a8486283198 | 49 | toPC.printf(" finished setting up messages \n"); |
jekain314 | 6:2a8486283198 | 50 | } |
jekain314 | 6:2a8486283198 | 51 | |
jekain314 | 6:2a8486283198 | 52 | void readFromPC() |
jekain314 | 6:2a8486283198 | 53 | { |
jekain314 | 6:2a8486283198 | 54 | //The received commands only occur at the initialization stage -- time is not that critical there. |
jekain314 | 6:2a8486283198 | 55 | //during the real-time action, we will never pass the followong if test ( no characters received) |
jekain314 | 6:2a8486283198 | 56 | if (toPC.readable()) //read a PC serial byte and test it for a command |
jekain314 | 6:2a8486283198 | 57 | { |
jekain314 | 6:2a8486283198 | 58 | |
jekain314 | 6:2a8486283198 | 59 | // Read in next character |
jekain314 | 6:2a8486283198 | 60 | char inChar = toPC.getc(); //read char from the USB serial link to the PC |
jekain314 | 7:2e20e4cf53e6 | 61 | //toPC.printf("%02x ",inChar); |
jekain314 | 6:2a8486283198 | 62 | |
jekain314 | 6:2a8486283198 | 63 | //incoming messages will end witb a CR / LF -- disregard these chars |
jekain314 | 7:2e20e4cf53e6 | 64 | if (inChar == CR || inChar == LF) return; //CR is a 0x0a |
jekain314 | 6:2a8486283198 | 65 | |
jekain314 | 6:2a8486283198 | 66 | serBuf[serBufChars++] = inChar; //set this char in a char array |
jekain314 | 6:2a8486283198 | 67 | |
jekain314 | 6:2a8486283198 | 68 | //no need to continue if numChars are less than the shortest candidate message |
jekain314 | 7:2e20e4cf53e6 | 69 | //if (serBufChars < minMessageSize) return; |
jekain314 | 7:2e20e4cf53e6 | 70 | |
jekain314 | 6:2a8486283198 | 71 | // Append end of string |
jekain314 | 6:2a8486283198 | 72 | //We always assume we have a complete message string and test for this below |
jekain314 | 6:2a8486283198 | 73 | serBuf[serBufChars] = '\0'; |
jekain314 | 6:2a8486283198 | 74 | |
jekain314 | 6:2a8486283198 | 75 | bool validMessage = false; |
jekain314 | 6:2a8486283198 | 76 | |
jekain314 | 7:2e20e4cf53e6 | 77 | |
jekain314 | 6:2a8486283198 | 78 | // Check for valid message -- there are numMessages possible messages |
jekain314 | 6:2a8486283198 | 79 | for (int m = 0; m < numMessages && !validMessage; m++) //check for all messages ... |
jekain314 | 6:2a8486283198 | 80 | { |
jekain314 | 6:2a8486283198 | 81 | //toPC.printf(" \n\n found chars to test %3d %3d %s \n\n\n ", serBufChars, strlen(msgList[m]), serBuf ); |
jekain314 | 6:2a8486283198 | 82 | |
jekain314 | 6:2a8486283198 | 83 | //check the current partial message against ALL possible messages |
jekain314 | 6:2a8486283198 | 84 | //messages must match in both strength length and text |
jekain314 | 6:2a8486283198 | 85 | if (serBufChars == strlen(msgList[m]) && strncmp(serBuf, msgList[m], serBufChars) == 0 ) |
jekain314 | 6:2a8486283198 | 86 | { |
jekain314 | 6:2a8486283198 | 87 | |
jekain314 | 7:2e20e4cf53e6 | 88 | //toPC.printf( "\n found valid message %s \n\n", serBuf); |
jekain314 | 6:2a8486283198 | 89 | |
jekain314 | 6:2a8486283198 | 90 | validMessage = true; |
jekain314 | 6:2a8486283198 | 91 | serBufChars = 0; //reset the character count to reset for next message |
jekain314 | 6:2a8486283198 | 92 | |
jekain314 | 6:2a8486283198 | 93 | //set programmatic action flags based on the message |
jekain314 | 6:2a8486283198 | 94 | switch(m) |
jekain314 | 6:2a8486283198 | 95 | { |
jekain314 | 6:2a8486283198 | 96 | case STATUS_MSG: |
jekain314 | 6:2a8486283198 | 97 | sendStatus = true; //send a status message back to PC |
jekain314 | 6:2a8486283198 | 98 | break; |
jekain314 | 6:2a8486283198 | 99 | case POSVEL_MSG: |
jekain314 | 6:2a8486283198 | 100 | sendPosVel = true; //send a posvel message back to PC |
jekain314 | 6:2a8486283198 | 101 | break; |
jekain314 | 6:2a8486283198 | 102 | case STARTDATA_MSG: //start the data recording to the SD card |
jekain314 | 6:2a8486283198 | 103 | recordData = true; |
jekain314 | 6:2a8486283198 | 104 | sendRecData = true; |
jekain314 | 6:2a8486283198 | 105 | break; |
jekain314 | 6:2a8486283198 | 106 | case STOPDATA_MSG: //stop the data recording to the SD card |
jekain314 | 6:2a8486283198 | 107 | recordData = false; |
jekain314 | 6:2a8486283198 | 108 | sendRecData = true; |
jekain314 | 6:2a8486283198 | 109 | break; |
jekain314 | 6:2a8486283198 | 110 | case STARTSTREAM_MSG: |
jekain314 | 6:2a8486283198 | 111 | case STOPSTREAM_MSG: |
jekain314 | 6:2a8486283198 | 112 | streamPos = (m == STARTSTREAM_MSG); |
jekain314 | 6:2a8486283198 | 113 | sendStreamPos = true; |
jekain314 | 6:2a8486283198 | 114 | break; |
jekain314 | 6:2a8486283198 | 115 | case STARTLOGINFO_MSG: |
jekain314 | 6:2a8486283198 | 116 | case STOPLOGINFO_MSG: |
jekain314 | 6:2a8486283198 | 117 | logMsgInfo = (m == STARTLOGINFO_MSG); |
jekain314 | 6:2a8486283198 | 118 | sendLogMsgInfo = true; |
jekain314 | 6:2a8486283198 | 119 | break; |
jekain314 | 6:2a8486283198 | 120 | } //end Switch statement |
jekain314 | 6:2a8486283198 | 121 | break; |
jekain314 | 6:2a8486283198 | 122 | } //end test for a valid message |
jekain314 | 6:2a8486283198 | 123 | } //end message text loop |
jekain314 | 6:2a8486283198 | 124 | } //end pc.readable |
jekain314 | 6:2a8486283198 | 125 | }; |
jekain314 | 6:2a8486283198 | 126 | |
jekain314 | 6:2a8486283198 | 127 | void earthCoefficients(double latitudeRad, double longitudeRad, double height, double &latRateFac, double &lonRateFac) |
jekain314 | 6:2a8486283198 | 128 | { |
jekain314 | 6:2a8486283198 | 129 | //compute the lat and lon factors for use in the interpolation of the lat and lon between 1 sec epochs |
jekain314 | 6:2a8486283198 | 130 | //latRateFac & lonRateFac multiplied by Vnorth or VEast to get latRate and lonRate |
jekain314 | 6:2a8486283198 | 131 | //see this document (page 32) www.fas.org/spp/military/program/nav/basicnav.pdf |
jekain314 | 6:2a8486283198 | 132 | |
jekain314 | 6:2a8486283198 | 133 | double eccenSinLat = eccen * sin(latitudeRad); |
jekain314 | 6:2a8486283198 | 134 | double temp1 = 1.0 - eccenSinLat*eccenSinLat; |
jekain314 | 6:2a8486283198 | 135 | double temp2 = sqrt(temp1); |
jekain314 | 6:2a8486283198 | 136 | double r_meridian = earthRadius * ( 1.0 - eccen*eccen)/ (temp1 * temp2); |
jekain314 | 6:2a8486283198 | 137 | double r_normal = earthRadius / temp2; |
jekain314 | 6:2a8486283198 | 138 | |
jekain314 | 6:2a8486283198 | 139 | //divide Vnorth by latRateFac to get the latitude rate in deg per sec |
jekain314 | 6:2a8486283198 | 140 | latRateFac = (r_meridian + height)* DEGREES_TO_RADIANS; |
jekain314 | 6:2a8486283198 | 141 | |
jekain314 | 6:2a8486283198 | 142 | //divide VEast by lonRateFac to get the longitude rate in deg per sec |
jekain314 | 6:2a8486283198 | 143 | lonRateFac = (r_normal + height) * cos(latitudeRad)* DEGREES_TO_RADIANS; |
jekain314 | 6:2a8486283198 | 144 | } |
jekain314 | 6:2a8486283198 | 145 | |
jekain314 | 6:2a8486283198 | 146 | void sendPosVelMessageToPC(OEM615BESTPOS posMsg, OEM615BESTVEL velMsg) |
jekain314 | 6:2a8486283198 | 147 | { |
jekain314 | 6:2a8486283198 | 148 | //north and east velocity from the horizontal speed and heading |
jekain314 | 6:2a8486283198 | 149 | //velMsg may not be the "current" message --- but is the one also associated with a position message |
jekain314 | 6:2a8486283198 | 150 | double nVel = velMsg.horizontalSpeed*cos(velMsg.heading*DEGREES_TO_RADIANS); |
jekain314 | 6:2a8486283198 | 151 | double eVel = velMsg.horizontalSpeed*sin(velMsg.heading*DEGREES_TO_RADIANS); |
jekain314 | 6:2a8486283198 | 152 | |
jekain314 | 6:2a8486283198 | 153 | double latRateFac; |
jekain314 | 6:2a8486283198 | 154 | double lonRateFac; |
jekain314 | 6:2a8486283198 | 155 | |
jekain314 | 6:2a8486283198 | 156 | earthCoefficients( posMsg.latitude*DEGREES_TO_RADIANS, |
jekain314 | 6:2a8486283198 | 157 | posMsg.longitude*DEGREES_TO_RADIANS, |
jekain314 | 6:2a8486283198 | 158 | posMsg.height, |
jekain314 | 6:2a8486283198 | 159 | latRateFac, lonRateFac); |
jekain314 | 6:2a8486283198 | 160 | |
jekain314 | 6:2a8486283198 | 161 | //commented calculations are for a spherical earth (Chris's original computation) |
jekain314 | 6:2a8486283198 | 162 | // For the 1 second deltas with which we are dealing |
jekain314 | 6:2a8486283198 | 163 | // This calculation should be close enough for now |
jekain314 | 6:2a8486283198 | 164 | // Approximately 1 nautical mile / minute latitude, 60 minutes/degree, 1852 meters/nautical mile |
jekain314 | 6:2a8486283198 | 165 | //double latMetersPerDeg = 60.0*1852.0; |
jekain314 | 6:2a8486283198 | 166 | // longitude separation is approximately equal to latitude separation * cosine of latitude |
jekain314 | 6:2a8486283198 | 167 | //double lonMetersPerDeg = latMetersPerDeg*cos(posMsg.latitude*DEGREES_TO_RADIANS); |
jekain314 | 6:2a8486283198 | 168 | |
jekain314 | 6:2a8486283198 | 169 | // Elapsed time since last known GPS position |
jekain314 | 6:2a8486283198 | 170 | //PPSTimeOffset is a result of possibly missing a prior GPS position message |
jekain314 | 6:2a8486283198 | 171 | // timeFromPPS.read() is always the time from the moset recent 1PPS |
jekain314 | 6:2a8486283198 | 172 | double elTime = (double)PPSTimeOffset + timeFromPPS.read(); |
jekain314 | 6:2a8486283198 | 173 | |
jekain314 | 6:2a8486283198 | 174 | // Position time -- GPSTime is the time of the last valid GPS position message |
jekain314 | 6:2a8486283198 | 175 | double posTime = GPSTime + elTime; |
jekain314 | 6:2a8486283198 | 176 | |
jekain314 | 6:2a8486283198 | 177 | //toPC.printf(" elTime = %6.3f PPSimeOffset = %6.3f \n", elTime, PPSTimeOffset); |
jekain314 | 6:2a8486283198 | 178 | //toPC.printf(" latRateFac = %10.3f lonRateFac = %10.3f \n", latRateFac, lonRateFac); |
jekain314 | 6:2a8486283198 | 179 | //toPC.printf(" latRateFac = %10.3f lonRateFac = %10.3f \n", latMetersPerDeg, lonMetersPerDeg); |
jekain314 | 6:2a8486283198 | 180 | |
jekain314 | 6:2a8486283198 | 181 | // Estimated position based on previous position and velocity |
jekain314 | 6:2a8486283198 | 182 | // posMsg is the last time when the BESTVEL and BESTPOS messages had identical times |
jekain314 | 6:2a8486283198 | 183 | //double latPos = posMsg.latitude + (nVel/latMetersPerDeg)*elTime; |
jekain314 | 6:2a8486283198 | 184 | //double lonPos = posMsg.longitude + (eVel/lonMetersPerDeg)*elTime; |
jekain314 | 6:2a8486283198 | 185 | |
jekain314 | 6:2a8486283198 | 186 | double latPos = posMsg.latitude + (nVel/latRateFac)*elTime; |
jekain314 | 6:2a8486283198 | 187 | double lonPos = posMsg.longitude + (eVel/lonRateFac)*elTime; |
jekain314 | 6:2a8486283198 | 188 | double htPos = posMsg.height + velMsg.verticalSpeed/(60*1852)*elTime; |
jekain314 | 6:2a8486283198 | 189 | |
jekain314 | 7:2e20e4cf53e6 | 190 | char solReady = 'N'; |
jekain314 | 7:2e20e4cf53e6 | 191 | //solStatus |
jekain314 | 7:2e20e4cf53e6 | 192 | if (posMsg.solStatus == 0) //see description of solution status in OEMV615.h |
jekain314 | 7:2e20e4cf53e6 | 193 | { |
jekain314 | 7:2e20e4cf53e6 | 194 | solReady = 'Y'; |
jekain314 | 7:2e20e4cf53e6 | 195 | } |
jekain314 | 7:2e20e4cf53e6 | 196 | |
jekain314 | 7:2e20e4cf53e6 | 197 | toPC.printf("WMsg POSVEL %5.3lf %1d %c %8.5lf %9.5lf %4.3lf %4.3lf %4.3lf %4.3lf\n", |
jekain314 | 6:2a8486283198 | 198 | posTime, |
jekain314 | 6:2a8486283198 | 199 | posMsg.numSolSV, |
jekain314 | 7:2e20e4cf53e6 | 200 | solReady, |
jekain314 | 6:2a8486283198 | 201 | latPos, |
jekain314 | 6:2a8486283198 | 202 | lonPos, |
jekain314 | 6:2a8486283198 | 203 | htPos, |
jekain314 | 6:2a8486283198 | 204 | nVel, |
jekain314 | 6:2a8486283198 | 205 | eVel, |
jekain314 | 6:2a8486283198 | 206 | velMsg.verticalSpeed |
jekain314 | 6:2a8486283198 | 207 | ); |
jekain314 | 6:2a8486283198 | 208 | } |
jekain314 | 6:2a8486283198 | 209 | |
jekain314 | 6:2a8486283198 | 210 | void processPCmessages(FILE* &fpNav, OEM615BESTPOS posMsg, OEM615BESTVEL velMsg) |
jekain314 | 6:2a8486283198 | 211 | { |
jekain314 | 6:2a8486283198 | 212 | |
jekain314 | 6:2a8486283198 | 213 | //we should put the below stuff into the readPC() procedure. |
jekain314 | 6:2a8486283198 | 214 | //only do these actions in response to a command so no need for the tests w/o an inoput byte from the PC |
jekain314 | 6:2a8486283198 | 215 | //perform the activities as a response to the commands |
jekain314 | 6:2a8486283198 | 216 | if (sendPosVel) //true if we want to return a position solution |
jekain314 | 6:2a8486283198 | 217 | { |
jekain314 | 6:2a8486283198 | 218 | sendPosVel=false; //set to true if a POSVEL is requested from the PC |
jekain314 | 6:2a8486283198 | 219 | sendPosVelMessageToPC(posMsg, velMsg); |
jekain314 | 6:2a8486283198 | 220 | } |
jekain314 | 6:2a8486283198 | 221 | |
jekain314 | 6:2a8486283198 | 222 | //all this does is assess the GPS convergence -- really available in the above |
jekain314 | 6:2a8486283198 | 223 | if (sendStatus) //send the status message to the PC |
jekain314 | 6:2a8486283198 | 224 | { |
jekain314 | 6:2a8486283198 | 225 | sendStatus=false; |
jekain314 | 6:2a8486283198 | 226 | char solReady = 'N'; |
jekain314 | 6:2a8486283198 | 227 | //solStatus |
jekain314 | 6:2a8486283198 | 228 | if (posMsg.solStatus == 0) //see description of solution status in OEMV615.h |
jekain314 | 6:2a8486283198 | 229 | { |
jekain314 | 6:2a8486283198 | 230 | solReady = 'Y'; |
jekain314 | 6:2a8486283198 | 231 | } |
jekain314 | 6:2a8486283198 | 232 | toPC.printf("WMsg STATUS %5.3lf %c\n", |
jekain314 | 6:2a8486283198 | 233 | GPSTime, |
jekain314 | 6:2a8486283198 | 234 | solReady |
jekain314 | 6:2a8486283198 | 235 | ); |
jekain314 | 6:2a8486283198 | 236 | } |
jekain314 | 6:2a8486283198 | 237 | |
jekain314 | 6:2a8486283198 | 238 | //should just record ALL the data -- can pick over it in the post-processing |
jekain314 | 6:2a8486283198 | 239 | if (sendRecData) //begin to (or stop) record the serial data |
jekain314 | 6:2a8486283198 | 240 | { |
jekain314 | 6:2a8486283198 | 241 | sendRecData=false; |
jekain314 | 6:2a8486283198 | 242 | char recChar = 'N'; |
jekain314 | 6:2a8486283198 | 243 | if (recordData) |
jekain314 | 6:2a8486283198 | 244 | { |
jekain314 | 6:2a8486283198 | 245 | if ((fpNav == NULL)) |
jekain314 | 6:2a8486283198 | 246 | { |
jekain314 | 6:2a8486283198 | 247 | fpNav = fopen("/sd/Data/NAV.bin", "wb"); |
jekain314 | 6:2a8486283198 | 248 | //toPC.printf("\n opened the SD card file recordData=%10d \n\n", fpNav); |
jekain314 | 6:2a8486283198 | 249 | } |
jekain314 | 6:2a8486283198 | 250 | if (fpNav != NULL) |
jekain314 | 6:2a8486283198 | 251 | { |
jekain314 | 6:2a8486283198 | 252 | recChar = 'Y'; |
jekain314 | 6:2a8486283198 | 253 | } |
jekain314 | 6:2a8486283198 | 254 | else |
jekain314 | 6:2a8486283198 | 255 | { |
jekain314 | 6:2a8486283198 | 256 | toPC.printf(" Could not open the SD card \n\n"); |
jekain314 | 6:2a8486283198 | 257 | } |
jekain314 | 6:2a8486283198 | 258 | } |
jekain314 | 6:2a8486283198 | 259 | else |
jekain314 | 6:2a8486283198 | 260 | { |
jekain314 | 6:2a8486283198 | 261 | if (fpNav != NULL) |
jekain314 | 6:2a8486283198 | 262 | { |
jekain314 | 6:2a8486283198 | 263 | toPC.printf(" closing the SD card file \n\n"); |
jekain314 | 6:2a8486283198 | 264 | fclose(fpNav); |
jekain314 | 8:13724ed3f825 | 265 | wait(1.0); |
jekain314 | 8:13724ed3f825 | 266 | //toPC.printf("\n after closing the SD card file \n\n"); |
jekain314 | 6:2a8486283198 | 267 | recordData = false; |
jekain314 | 6:2a8486283198 | 268 | fpNav = NULL; |
jekain314 | 6:2a8486283198 | 269 | } |
jekain314 | 6:2a8486283198 | 270 | } |
jekain314 | 6:2a8486283198 | 271 | toPC.printf("WMsg RECORDDATA %c\n", |
jekain314 | 6:2a8486283198 | 272 | recChar |
jekain314 | 6:2a8486283198 | 273 | ); |
jekain314 | 6:2a8486283198 | 274 | } |
jekain314 | 6:2a8486283198 | 275 | |
jekain314 | 6:2a8486283198 | 276 | if (sendStreamPos) //stream the position data to the PC |
jekain314 | 6:2a8486283198 | 277 | { |
jekain314 | 6:2a8486283198 | 278 | sendStreamPos=false; |
jekain314 | 6:2a8486283198 | 279 | char streamChar = 'N'; |
jekain314 | 6:2a8486283198 | 280 | if (streamPos) |
jekain314 | 6:2a8486283198 | 281 | { |
jekain314 | 6:2a8486283198 | 282 | streamChar = 'Y'; |
jekain314 | 6:2a8486283198 | 283 | } |
jekain314 | 6:2a8486283198 | 284 | toPC.printf("WMsg POSSTREAM %c\n", |
jekain314 | 6:2a8486283198 | 285 | streamChar |
jekain314 | 6:2a8486283198 | 286 | ); |
jekain314 | 6:2a8486283198 | 287 | } |
jekain314 | 6:2a8486283198 | 288 | |
jekain314 | 6:2a8486283198 | 289 | //not sure this is ever used .. |
jekain314 | 6:2a8486283198 | 290 | if (sendLogMsgInfo) //send log info to the PC |
jekain314 | 6:2a8486283198 | 291 | { |
jekain314 | 6:2a8486283198 | 292 | sendLogMsgInfo=false; |
jekain314 | 6:2a8486283198 | 293 | char logChar = 'N'; |
jekain314 | 6:2a8486283198 | 294 | if (logMsgInfo) |
jekain314 | 6:2a8486283198 | 295 | { |
jekain314 | 6:2a8486283198 | 296 | logChar = 'Y'; |
jekain314 | 6:2a8486283198 | 297 | } |
jekain314 | 6:2a8486283198 | 298 | toPC.printf("WMsg LOGINFO %c\n", |
jekain314 | 6:2a8486283198 | 299 | logChar |
jekain314 | 6:2a8486283198 | 300 | ); |
jekain314 | 6:2a8486283198 | 301 | } |
jekain314 | 6:2a8486283198 | 302 | |
jekain314 | 6:2a8486283198 | 303 | |
jekain314 | 6:2a8486283198 | 304 | } |