Changes to allow hardware camera trigger
Fork of GPS_Incremental by
PCMessaging.h@10:078891935385, 2013-04-18 (annotated)
- Committer:
- dannyman939
- Date:
- Thu Apr 18 00:59:49 2013 +0000
- Revision:
- 10:078891935385
- Parent:
- 9:13724ed3f825
Hardware trigger camera using the DigitalOut of Pin 2
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 | 8:2e20e4cf53e6 | 3 | const unsigned char STATUS_MSG =0; |
jekain314 | 8:2e20e4cf53e6 | 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; |
dannyman939 | 10:078891935385 | 11 | const unsigned char SEND_TRIG =8; |
jekain314 | 6:2a8486283198 | 12 | |
jekain314 | 6:2a8486283198 | 13 | const double DEGREES_TO_RADIANS = acos(-1.0)/180.0; |
jekain314 | 6:2a8486283198 | 14 | const double eccen = 0.0818191908426; //WGS84 earth eccentricity |
jekain314 | 6:2a8486283198 | 15 | const double earthRadius = 6378137; //WGS84 earthRadius in meters |
jekain314 | 6:2a8486283198 | 16 | |
jekain314 | 6:2a8486283198 | 17 | char serBuf[128]; |
jekain314 | 6:2a8486283198 | 18 | int serBufChars=0; |
jekain314 | 6:2a8486283198 | 19 | |
jekain314 | 6:2a8486283198 | 20 | //flags to control the PC command actions |
jekain314 | 6:2a8486283198 | 21 | bool sendPosVel =false; |
jekain314 | 6:2a8486283198 | 22 | bool sendStatus =false; |
jekain314 | 6:2a8486283198 | 23 | bool sendRecData =false; |
jekain314 | 6:2a8486283198 | 24 | bool streamPos =false; |
jekain314 | 6:2a8486283198 | 25 | bool sendStreamPos =false; |
jekain314 | 6:2a8486283198 | 26 | bool logMsgInfo =false; |
jekain314 | 6:2a8486283198 | 27 | bool sendLogMsgInfo =false; |
jekain314 | 6:2a8486283198 | 28 | bool recordData =false; |
dannyman939 | 10:078891935385 | 29 | bool camtrg =false; |
jekain314 | 6:2a8486283198 | 30 | |
jekain314 | 6:2a8486283198 | 31 | |
dannyman939 | 10:078891935385 | 32 | const unsigned char numMessages = 9; //number of potential messages |
jekain314 | 6:2a8486283198 | 33 | char msgList[numMessages][32]; //text array storing the command messages from the PC |
jekain314 | 8:2e20e4cf53e6 | 34 | char minMessageSize = 11; //minimum size of a text message |
jekain314 | 6:2a8486283198 | 35 | unsigned char CR = 0x0d; //ASCII Carriage Return |
jekain314 | 6:2a8486283198 | 36 | unsigned char LF = 0x0a; //ASCII Line Feed |
jekain314 | 6:2a8486283198 | 37 | |
jekain314 | 6:2a8486283198 | 38 | void setUpMessages(void) |
jekain314 | 6:2a8486283198 | 39 | { |
jekain314 | 6:2a8486283198 | 40 | //set up the ASCII text records that are candidates to be passed from the PC |
jekain314 | 6:2a8486283198 | 41 | sprintf(msgList[STATUS_MSG], "WMsg STATUS"); |
jekain314 | 6:2a8486283198 | 42 | sprintf(msgList[POSVEL_MSG], "WMsg POSVEL"); |
jekain314 | 6:2a8486283198 | 43 | sprintf(msgList[STARTDATA_MSG], "WMsg RECORDDATA Y"); |
jekain314 | 6:2a8486283198 | 44 | sprintf(msgList[STOPDATA_MSG], "WMsg RECORDDATA N"); |
jekain314 | 6:2a8486283198 | 45 | sprintf(msgList[STARTSTREAM_MSG], "WMsg POSSTREAM Y"); |
jekain314 | 6:2a8486283198 | 46 | sprintf(msgList[STOPSTREAM_MSG], "WMsg POSSTREAM N"); |
jekain314 | 6:2a8486283198 | 47 | sprintf(msgList[STARTLOGINFO_MSG], "WMsg LOGINFO Y"); |
jekain314 | 6:2a8486283198 | 48 | sprintf(msgList[STOPLOGINFO_MSG], "WMsg LOGINFO N"); |
dannyman939 | 10:078891935385 | 49 | sprintf(msgList[SEND_TRIG], "WMsg SEND_TRIG"); |
jekain314 | 6:2a8486283198 | 50 | //message length is from 10 to 16 chars |
jekain314 | 6:2a8486283198 | 51 | |
jekain314 | 6:2a8486283198 | 52 | toPC.printf(" finished setting up messages \n"); |
jekain314 | 6:2a8486283198 | 53 | } |
jekain314 | 6:2a8486283198 | 54 | |
jekain314 | 6:2a8486283198 | 55 | void readFromPC() |
jekain314 | 6:2a8486283198 | 56 | { |
jekain314 | 6:2a8486283198 | 57 | //The received commands only occur at the initialization stage -- time is not that critical there. |
jekain314 | 6:2a8486283198 | 58 | //during the real-time action, we will never pass the followong if test ( no characters received) |
jekain314 | 6:2a8486283198 | 59 | if (toPC.readable()) //read a PC serial byte and test it for a command |
jekain314 | 6:2a8486283198 | 60 | { |
jekain314 | 6:2a8486283198 | 61 | |
jekain314 | 6:2a8486283198 | 62 | // Read in next character |
jekain314 | 6:2a8486283198 | 63 | char inChar = toPC.getc(); //read char from the USB serial link to the PC |
jekain314 | 8:2e20e4cf53e6 | 64 | //toPC.printf("%02x ",inChar); |
jekain314 | 6:2a8486283198 | 65 | |
jekain314 | 6:2a8486283198 | 66 | //incoming messages will end witb a CR / LF -- disregard these chars |
jekain314 | 8:2e20e4cf53e6 | 67 | if (inChar == CR || inChar == LF) return; //CR is a 0x0a |
jekain314 | 6:2a8486283198 | 68 | |
jekain314 | 6:2a8486283198 | 69 | serBuf[serBufChars++] = inChar; //set this char in a char array |
jekain314 | 6:2a8486283198 | 70 | |
jekain314 | 6:2a8486283198 | 71 | //no need to continue if numChars are less than the shortest candidate message |
jekain314 | 8:2e20e4cf53e6 | 72 | //if (serBufChars < minMessageSize) return; |
jekain314 | 8:2e20e4cf53e6 | 73 | |
jekain314 | 6:2a8486283198 | 74 | // Append end of string |
jekain314 | 6:2a8486283198 | 75 | //We always assume we have a complete message string and test for this below |
jekain314 | 6:2a8486283198 | 76 | serBuf[serBufChars] = '\0'; |
jekain314 | 6:2a8486283198 | 77 | |
jekain314 | 6:2a8486283198 | 78 | bool validMessage = false; |
jekain314 | 6:2a8486283198 | 79 | |
jekain314 | 8:2e20e4cf53e6 | 80 | |
jekain314 | 6:2a8486283198 | 81 | // Check for valid message -- there are numMessages possible messages |
jekain314 | 6:2a8486283198 | 82 | for (int m = 0; m < numMessages && !validMessage; m++) //check for all messages ... |
jekain314 | 6:2a8486283198 | 83 | { |
jekain314 | 6:2a8486283198 | 84 | //toPC.printf(" \n\n found chars to test %3d %3d %s \n\n\n ", serBufChars, strlen(msgList[m]), serBuf ); |
jekain314 | 6:2a8486283198 | 85 | |
jekain314 | 6:2a8486283198 | 86 | //check the current partial message against ALL possible messages |
jekain314 | 6:2a8486283198 | 87 | //messages must match in both strength length and text |
jekain314 | 6:2a8486283198 | 88 | if (serBufChars == strlen(msgList[m]) && strncmp(serBuf, msgList[m], serBufChars) == 0 ) |
jekain314 | 6:2a8486283198 | 89 | { |
jekain314 | 6:2a8486283198 | 90 | |
jekain314 | 8:2e20e4cf53e6 | 91 | //toPC.printf( "\n found valid message %s \n\n", serBuf); |
jekain314 | 6:2a8486283198 | 92 | |
jekain314 | 6:2a8486283198 | 93 | validMessage = true; |
jekain314 | 6:2a8486283198 | 94 | serBufChars = 0; //reset the character count to reset for next message |
jekain314 | 6:2a8486283198 | 95 | |
jekain314 | 6:2a8486283198 | 96 | //set programmatic action flags based on the message |
jekain314 | 6:2a8486283198 | 97 | switch(m) |
jekain314 | 6:2a8486283198 | 98 | { |
jekain314 | 6:2a8486283198 | 99 | case STATUS_MSG: |
jekain314 | 6:2a8486283198 | 100 | sendStatus = true; //send a status message back to PC |
jekain314 | 6:2a8486283198 | 101 | break; |
jekain314 | 6:2a8486283198 | 102 | case POSVEL_MSG: |
jekain314 | 6:2a8486283198 | 103 | sendPosVel = true; //send a posvel message back to PC |
jekain314 | 6:2a8486283198 | 104 | break; |
jekain314 | 6:2a8486283198 | 105 | case STARTDATA_MSG: //start the data recording to the SD card |
jekain314 | 6:2a8486283198 | 106 | recordData = true; |
jekain314 | 6:2a8486283198 | 107 | sendRecData = true; |
jekain314 | 6:2a8486283198 | 108 | break; |
jekain314 | 6:2a8486283198 | 109 | case STOPDATA_MSG: //stop the data recording to the SD card |
jekain314 | 6:2a8486283198 | 110 | recordData = false; |
jekain314 | 6:2a8486283198 | 111 | sendRecData = true; |
jekain314 | 6:2a8486283198 | 112 | break; |
jekain314 | 6:2a8486283198 | 113 | case STARTSTREAM_MSG: |
jekain314 | 6:2a8486283198 | 114 | case STOPSTREAM_MSG: |
jekain314 | 6:2a8486283198 | 115 | streamPos = (m == STARTSTREAM_MSG); |
jekain314 | 6:2a8486283198 | 116 | sendStreamPos = true; |
jekain314 | 6:2a8486283198 | 117 | break; |
jekain314 | 6:2a8486283198 | 118 | case STARTLOGINFO_MSG: |
jekain314 | 6:2a8486283198 | 119 | case STOPLOGINFO_MSG: |
jekain314 | 6:2a8486283198 | 120 | logMsgInfo = (m == STARTLOGINFO_MSG); |
jekain314 | 6:2a8486283198 | 121 | sendLogMsgInfo = true; |
dannyman939 | 10:078891935385 | 122 | break; |
dannyman939 | 10:078891935385 | 123 | case SEND_TRIG: |
dannyman939 | 10:078891935385 | 124 | camtrg = true; //send a posvel message back to PC |
dannyman939 | 10:078891935385 | 125 | break; |
jekain314 | 6:2a8486283198 | 126 | } //end Switch statement |
jekain314 | 6:2a8486283198 | 127 | break; |
jekain314 | 6:2a8486283198 | 128 | } //end test for a valid message |
jekain314 | 6:2a8486283198 | 129 | } //end message text loop |
jekain314 | 6:2a8486283198 | 130 | } //end pc.readable |
jekain314 | 6:2a8486283198 | 131 | }; |
jekain314 | 6:2a8486283198 | 132 | |
jekain314 | 6:2a8486283198 | 133 | void earthCoefficients(double latitudeRad, double longitudeRad, double height, double &latRateFac, double &lonRateFac) |
jekain314 | 6:2a8486283198 | 134 | { |
jekain314 | 6:2a8486283198 | 135 | //compute the lat and lon factors for use in the interpolation of the lat and lon between 1 sec epochs |
jekain314 | 6:2a8486283198 | 136 | //latRateFac & lonRateFac multiplied by Vnorth or VEast to get latRate and lonRate |
jekain314 | 6:2a8486283198 | 137 | //see this document (page 32) www.fas.org/spp/military/program/nav/basicnav.pdf |
jekain314 | 6:2a8486283198 | 138 | |
jekain314 | 6:2a8486283198 | 139 | double eccenSinLat = eccen * sin(latitudeRad); |
jekain314 | 6:2a8486283198 | 140 | double temp1 = 1.0 - eccenSinLat*eccenSinLat; |
jekain314 | 6:2a8486283198 | 141 | double temp2 = sqrt(temp1); |
jekain314 | 6:2a8486283198 | 142 | double r_meridian = earthRadius * ( 1.0 - eccen*eccen)/ (temp1 * temp2); |
jekain314 | 6:2a8486283198 | 143 | double r_normal = earthRadius / temp2; |
jekain314 | 6:2a8486283198 | 144 | |
jekain314 | 6:2a8486283198 | 145 | //divide Vnorth by latRateFac to get the latitude rate in deg per sec |
jekain314 | 6:2a8486283198 | 146 | latRateFac = (r_meridian + height)* DEGREES_TO_RADIANS; |
jekain314 | 6:2a8486283198 | 147 | |
jekain314 | 6:2a8486283198 | 148 | //divide VEast by lonRateFac to get the longitude rate in deg per sec |
jekain314 | 6:2a8486283198 | 149 | lonRateFac = (r_normal + height) * cos(latitudeRad)* DEGREES_TO_RADIANS; |
jekain314 | 6:2a8486283198 | 150 | } |
jekain314 | 6:2a8486283198 | 151 | |
jekain314 | 6:2a8486283198 | 152 | void sendPosVelMessageToPC(OEM615BESTPOS posMsg, OEM615BESTVEL velMsg) |
jekain314 | 6:2a8486283198 | 153 | { |
jekain314 | 6:2a8486283198 | 154 | //north and east velocity from the horizontal speed and heading |
jekain314 | 6:2a8486283198 | 155 | //velMsg may not be the "current" message --- but is the one also associated with a position message |
jekain314 | 6:2a8486283198 | 156 | double nVel = velMsg.horizontalSpeed*cos(velMsg.heading*DEGREES_TO_RADIANS); |
jekain314 | 6:2a8486283198 | 157 | double eVel = velMsg.horizontalSpeed*sin(velMsg.heading*DEGREES_TO_RADIANS); |
jekain314 | 6:2a8486283198 | 158 | |
jekain314 | 6:2a8486283198 | 159 | double latRateFac; |
jekain314 | 6:2a8486283198 | 160 | double lonRateFac; |
jekain314 | 6:2a8486283198 | 161 | |
jekain314 | 6:2a8486283198 | 162 | earthCoefficients( posMsg.latitude*DEGREES_TO_RADIANS, |
jekain314 | 6:2a8486283198 | 163 | posMsg.longitude*DEGREES_TO_RADIANS, |
jekain314 | 6:2a8486283198 | 164 | posMsg.height, |
jekain314 | 6:2a8486283198 | 165 | latRateFac, lonRateFac); |
jekain314 | 6:2a8486283198 | 166 | |
jekain314 | 6:2a8486283198 | 167 | //commented calculations are for a spherical earth (Chris's original computation) |
jekain314 | 6:2a8486283198 | 168 | // For the 1 second deltas with which we are dealing |
jekain314 | 6:2a8486283198 | 169 | // This calculation should be close enough for now |
jekain314 | 6:2a8486283198 | 170 | // Approximately 1 nautical mile / minute latitude, 60 minutes/degree, 1852 meters/nautical mile |
jekain314 | 6:2a8486283198 | 171 | //double latMetersPerDeg = 60.0*1852.0; |
jekain314 | 6:2a8486283198 | 172 | // longitude separation is approximately equal to latitude separation * cosine of latitude |
jekain314 | 6:2a8486283198 | 173 | //double lonMetersPerDeg = latMetersPerDeg*cos(posMsg.latitude*DEGREES_TO_RADIANS); |
jekain314 | 6:2a8486283198 | 174 | |
jekain314 | 6:2a8486283198 | 175 | // Elapsed time since last known GPS position |
jekain314 | 6:2a8486283198 | 176 | //PPSTimeOffset is a result of possibly missing a prior GPS position message |
jekain314 | 6:2a8486283198 | 177 | // timeFromPPS.read() is always the time from the moset recent 1PPS |
jekain314 | 6:2a8486283198 | 178 | double elTime = (double)PPSTimeOffset + timeFromPPS.read(); |
jekain314 | 6:2a8486283198 | 179 | |
jekain314 | 6:2a8486283198 | 180 | // Position time -- GPSTime is the time of the last valid GPS position message |
jekain314 | 6:2a8486283198 | 181 | double posTime = GPSTime + elTime; |
jekain314 | 6:2a8486283198 | 182 | |
jekain314 | 6:2a8486283198 | 183 | //toPC.printf(" elTime = %6.3f PPSimeOffset = %6.3f \n", elTime, PPSTimeOffset); |
jekain314 | 6:2a8486283198 | 184 | //toPC.printf(" latRateFac = %10.3f lonRateFac = %10.3f \n", latRateFac, lonRateFac); |
jekain314 | 6:2a8486283198 | 185 | //toPC.printf(" latRateFac = %10.3f lonRateFac = %10.3f \n", latMetersPerDeg, lonMetersPerDeg); |
jekain314 | 6:2a8486283198 | 186 | |
jekain314 | 6:2a8486283198 | 187 | // Estimated position based on previous position and velocity |
jekain314 | 6:2a8486283198 | 188 | // posMsg is the last time when the BESTVEL and BESTPOS messages had identical times |
jekain314 | 6:2a8486283198 | 189 | //double latPos = posMsg.latitude + (nVel/latMetersPerDeg)*elTime; |
jekain314 | 6:2a8486283198 | 190 | //double lonPos = posMsg.longitude + (eVel/lonMetersPerDeg)*elTime; |
jekain314 | 6:2a8486283198 | 191 | |
jekain314 | 6:2a8486283198 | 192 | double latPos = posMsg.latitude + (nVel/latRateFac)*elTime; |
jekain314 | 6:2a8486283198 | 193 | double lonPos = posMsg.longitude + (eVel/lonRateFac)*elTime; |
jekain314 | 6:2a8486283198 | 194 | double htPos = posMsg.height + velMsg.verticalSpeed/(60*1852)*elTime; |
jekain314 | 6:2a8486283198 | 195 | |
jekain314 | 8:2e20e4cf53e6 | 196 | char solReady = 'N'; |
jekain314 | 8:2e20e4cf53e6 | 197 | //solStatus |
jekain314 | 8:2e20e4cf53e6 | 198 | if (posMsg.solStatus == 0) //see description of solution status in OEMV615.h |
jekain314 | 8:2e20e4cf53e6 | 199 | { |
jekain314 | 8:2e20e4cf53e6 | 200 | solReady = 'Y'; |
jekain314 | 8:2e20e4cf53e6 | 201 | } |
jekain314 | 8:2e20e4cf53e6 | 202 | |
jekain314 | 8:2e20e4cf53e6 | 203 | toPC.printf("WMsg POSVEL %5.3lf %1d %c %8.5lf %9.5lf %4.3lf %4.3lf %4.3lf %4.3lf\n", |
jekain314 | 6:2a8486283198 | 204 | posTime, |
jekain314 | 6:2a8486283198 | 205 | posMsg.numSolSV, |
jekain314 | 8:2e20e4cf53e6 | 206 | solReady, |
jekain314 | 6:2a8486283198 | 207 | latPos, |
jekain314 | 6:2a8486283198 | 208 | lonPos, |
jekain314 | 6:2a8486283198 | 209 | htPos, |
jekain314 | 6:2a8486283198 | 210 | nVel, |
jekain314 | 6:2a8486283198 | 211 | eVel, |
jekain314 | 6:2a8486283198 | 212 | velMsg.verticalSpeed |
jekain314 | 6:2a8486283198 | 213 | ); |
jekain314 | 6:2a8486283198 | 214 | } |
jekain314 | 6:2a8486283198 | 215 | |
jekain314 | 6:2a8486283198 | 216 | void processPCmessages(FILE* &fpNav, OEM615BESTPOS posMsg, OEM615BESTVEL velMsg) |
jekain314 | 6:2a8486283198 | 217 | { |
jekain314 | 6:2a8486283198 | 218 | |
jekain314 | 6:2a8486283198 | 219 | //we should put the below stuff into the readPC() procedure. |
jekain314 | 6:2a8486283198 | 220 | //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 | 221 | //perform the activities as a response to the commands |
dannyman939 | 10:078891935385 | 222 | |
dannyman939 | 10:078891935385 | 223 | if (camtrg) //true if camera trigger command sent from PC |
dannyman939 | 10:078891935385 | 224 | { |
dannyman939 | 10:078891935385 | 225 | camera1EventDetected=true; |
dannyman939 | 10:078891935385 | 226 | |
dannyman939 | 10:078891935385 | 227 | } |
jekain314 | 6:2a8486283198 | 228 | if (sendPosVel) //true if we want to return a position solution |
jekain314 | 6:2a8486283198 | 229 | { |
jekain314 | 6:2a8486283198 | 230 | sendPosVel=false; //set to true if a POSVEL is requested from the PC |
jekain314 | 6:2a8486283198 | 231 | sendPosVelMessageToPC(posMsg, velMsg); |
jekain314 | 6:2a8486283198 | 232 | } |
jekain314 | 6:2a8486283198 | 233 | |
jekain314 | 6:2a8486283198 | 234 | //all this does is assess the GPS convergence -- really available in the above |
jekain314 | 6:2a8486283198 | 235 | if (sendStatus) //send the status message to the PC |
jekain314 | 6:2a8486283198 | 236 | { |
jekain314 | 6:2a8486283198 | 237 | sendStatus=false; |
jekain314 | 6:2a8486283198 | 238 | char solReady = 'N'; |
jekain314 | 6:2a8486283198 | 239 | //solStatus |
jekain314 | 6:2a8486283198 | 240 | if (posMsg.solStatus == 0) //see description of solution status in OEMV615.h |
jekain314 | 6:2a8486283198 | 241 | { |
jekain314 | 6:2a8486283198 | 242 | solReady = 'Y'; |
jekain314 | 6:2a8486283198 | 243 | } |
jekain314 | 6:2a8486283198 | 244 | toPC.printf("WMsg STATUS %5.3lf %c\n", |
jekain314 | 6:2a8486283198 | 245 | GPSTime, |
jekain314 | 6:2a8486283198 | 246 | solReady |
jekain314 | 6:2a8486283198 | 247 | ); |
jekain314 | 6:2a8486283198 | 248 | } |
jekain314 | 6:2a8486283198 | 249 | |
jekain314 | 6:2a8486283198 | 250 | //should just record ALL the data -- can pick over it in the post-processing |
jekain314 | 6:2a8486283198 | 251 | if (sendRecData) //begin to (or stop) record the serial data |
jekain314 | 6:2a8486283198 | 252 | { |
jekain314 | 6:2a8486283198 | 253 | sendRecData=false; |
jekain314 | 6:2a8486283198 | 254 | char recChar = 'N'; |
jekain314 | 6:2a8486283198 | 255 | if (recordData) |
jekain314 | 6:2a8486283198 | 256 | { |
jekain314 | 6:2a8486283198 | 257 | if ((fpNav == NULL)) |
jekain314 | 6:2a8486283198 | 258 | { |
jekain314 | 6:2a8486283198 | 259 | fpNav = fopen("/sd/Data/NAV.bin", "wb"); |
jekain314 | 6:2a8486283198 | 260 | //toPC.printf("\n opened the SD card file recordData=%10d \n\n", fpNav); |
jekain314 | 6:2a8486283198 | 261 | } |
jekain314 | 6:2a8486283198 | 262 | if (fpNav != NULL) |
jekain314 | 6:2a8486283198 | 263 | { |
jekain314 | 6:2a8486283198 | 264 | recChar = 'Y'; |
jekain314 | 6:2a8486283198 | 265 | } |
jekain314 | 6:2a8486283198 | 266 | else |
jekain314 | 6:2a8486283198 | 267 | { |
jekain314 | 6:2a8486283198 | 268 | toPC.printf(" Could not open the SD card \n\n"); |
jekain314 | 6:2a8486283198 | 269 | } |
jekain314 | 6:2a8486283198 | 270 | } |
jekain314 | 6:2a8486283198 | 271 | else |
jekain314 | 6:2a8486283198 | 272 | { |
jekain314 | 6:2a8486283198 | 273 | if (fpNav != NULL) |
jekain314 | 6:2a8486283198 | 274 | { |
jekain314 | 6:2a8486283198 | 275 | toPC.printf(" closing the SD card file \n\n"); |
jekain314 | 6:2a8486283198 | 276 | fclose(fpNav); |
jekain314 | 9:13724ed3f825 | 277 | wait(1.0); |
jekain314 | 9:13724ed3f825 | 278 | //toPC.printf("\n after closing the SD card file \n\n"); |
jekain314 | 6:2a8486283198 | 279 | recordData = false; |
jekain314 | 6:2a8486283198 | 280 | fpNav = NULL; |
jekain314 | 6:2a8486283198 | 281 | } |
jekain314 | 6:2a8486283198 | 282 | } |
jekain314 | 6:2a8486283198 | 283 | toPC.printf("WMsg RECORDDATA %c\n", |
jekain314 | 6:2a8486283198 | 284 | recChar |
jekain314 | 6:2a8486283198 | 285 | ); |
jekain314 | 6:2a8486283198 | 286 | } |
jekain314 | 6:2a8486283198 | 287 | |
jekain314 | 6:2a8486283198 | 288 | if (sendStreamPos) //stream the position data to the PC |
jekain314 | 6:2a8486283198 | 289 | { |
jekain314 | 6:2a8486283198 | 290 | sendStreamPos=false; |
jekain314 | 6:2a8486283198 | 291 | char streamChar = 'N'; |
jekain314 | 6:2a8486283198 | 292 | if (streamPos) |
jekain314 | 6:2a8486283198 | 293 | { |
jekain314 | 6:2a8486283198 | 294 | streamChar = 'Y'; |
jekain314 | 6:2a8486283198 | 295 | } |
jekain314 | 6:2a8486283198 | 296 | toPC.printf("WMsg POSSTREAM %c\n", |
jekain314 | 6:2a8486283198 | 297 | streamChar |
jekain314 | 6:2a8486283198 | 298 | ); |
jekain314 | 6:2a8486283198 | 299 | } |
jekain314 | 6:2a8486283198 | 300 | |
jekain314 | 6:2a8486283198 | 301 | //not sure this is ever used .. |
jekain314 | 6:2a8486283198 | 302 | if (sendLogMsgInfo) //send log info to the PC |
jekain314 | 6:2a8486283198 | 303 | { |
jekain314 | 6:2a8486283198 | 304 | sendLogMsgInfo=false; |
jekain314 | 6:2a8486283198 | 305 | char logChar = 'N'; |
jekain314 | 6:2a8486283198 | 306 | if (logMsgInfo) |
jekain314 | 6:2a8486283198 | 307 | { |
jekain314 | 6:2a8486283198 | 308 | logChar = 'Y'; |
jekain314 | 6:2a8486283198 | 309 | } |
jekain314 | 6:2a8486283198 | 310 | toPC.printf("WMsg LOGINFO %c\n", |
jekain314 | 6:2a8486283198 | 311 | logChar |
jekain314 | 6:2a8486283198 | 312 | ); |
jekain314 | 6:2a8486283198 | 313 | } |
jekain314 | 6:2a8486283198 | 314 | |
jekain314 | 6:2a8486283198 | 315 | |
jekain314 | 6:2a8486283198 | 316 | } |