Flying Sea Glider / Mbed 2 deprecated 2019_19feb19_jcw_noSD

modifications to run via legfile.txt and then exit, manage logfile versions, diagnostics file

Dependencies:   mbed MODSERIAL FATFileSystem

MbedLogger/MbedLogger.cpp@67:c86a4b464682, 2018-06-25 (annotated)

Committer:
tnhnrl
Date:
Mon Jun 25 15:44:00 2018 +0000
Revision:
67:c86a4b464682
Parent:
63:6cb0405fc6e6
Child:
68:8f549749b8ce
fix timing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tnhnrl 62:d502889e74f1 1 #include "MbedLogger.hpp"
tnhnrl 62:d502889e74f1 2 #include "StaticDefs.hpp"
tnhnrl 62:d502889e74f1 3
tnhnrl 62:d502889e74f1 4 //Timer t; //used to test time to create packet //timing debug
tnhnrl 62:d502889e74f1 5
tnhnrl 62:d502889e74f1 6 MbedLogger::MbedLogger(string file_system_input_string) {
tnhnrl 62:d502889e74f1 7 _file_system_string = file_system_input_string;
tnhnrl 62:d502889e74f1 8 _full_file_path_string = _file_system_string + "LOG000.csv"; //use multiple logs in the future? (after file size is too large)
tnhnrl 62:d502889e74f1 9 _file_number = 0;
tnhnrl 62:d502889e74f1 10 _file_transmission = true;
tnhnrl 62:d502889e74f1 11 _confirmed_packet_number = 0; //must set this to zero
tnhnrl 62:d502889e74f1 12 _transmit_counter = 0;
tnhnrl 62:d502889e74f1 13 _file_transmission_state = -1;
tnhnrl 62:d502889e74f1 14 _total_number_of_packets = 0;
tnhnrl 62:d502889e74f1 15 _mbed_transmit_loop = false;
tnhnrl 62:d502889e74f1 16 _received_filename = "";
tnhnrl 63:6cb0405fc6e6 17
tnhnrl 63:6cb0405fc6e6 18 _log_file_line_counter = 0; //used to set timer in finite state machine based on size of log
tnhnrl 67:c86a4b464682 19
tnhnrl 67:c86a4b464682 20 _heading_string = "state_string,state_ID,timer,depth_cmd,depth_ft,pitch_cmd,pitch_deg,bce_cmd,bce_mm,batt_cmd,batt_mm,pitchRate_degs,depthRate_fps,sys_amps,sys_volts,int_press\n";
tnhnrl 62:d502889e74f1 21 }
tnhnrl 62:d502889e74f1 22
tnhnrl 62:d502889e74f1 23 //this function has to be called for the time to function correctly
tnhnrl 62:d502889e74f1 24 void MbedLogger::setLogTime() {
tnhnrl 62:d502889e74f1 25 pc().printf("\n%s log time set.\n\r", _file_system_string.c_str());
tnhnrl 62:d502889e74f1 26 set_time(1518467832); // Set RTC time to Mon, 12 FEB 2018 15:37
tnhnrl 62:d502889e74f1 27 }
tnhnrl 62:d502889e74f1 28
tnhnrl 62:d502889e74f1 29 //in the future create the ability to set the start time
tnhnrl 62:d502889e74f1 30 int MbedLogger::getSystemTime() {
tnhnrl 62:d502889e74f1 31 time_t seconds = time(NULL); // Time as seconds since January 1, 1970
tnhnrl 62:d502889e74f1 32
tnhnrl 62:d502889e74f1 33 return seconds;
tnhnrl 62:d502889e74f1 34 }
tnhnrl 62:d502889e74f1 35
tnhnrl 62:d502889e74f1 36 void MbedLogger::recordData(int current_state) {
tnhnrl 62:d502889e74f1 37 int data_log_int = mbedLogger().getSystemTime(); //read the system timer to get unix timestamp
tnhnrl 62:d502889e74f1 38 //_data_log[0] = mbedLogger().getSystemTime(); //read the system timer to get unix timestamp
tnhnrl 62:d502889e74f1 39 _data_log[1] = depthLoop().getCommand(); //depth command
tnhnrl 62:d502889e74f1 40 _data_log[2] = depthLoop().getPosition(); //depth reading
tnhnrl 62:d502889e74f1 41 _data_log[3] = pitchLoop().getCommand(); //pitch command
tnhnrl 62:d502889e74f1 42 _data_log[4] = pitchLoop().getPosition(); //pitch reading
tnhnrl 62:d502889e74f1 43 _data_log[5] = bce().getSetPosition_mm(); //BCE command
tnhnrl 62:d502889e74f1 44 _data_log[6] = bce().getPosition_mm(); //BCE reading
tnhnrl 62:d502889e74f1 45 _data_log[7] = batt().getSetPosition_mm(); //Batt command
tnhnrl 62:d502889e74f1 46 _data_log[8] = batt().getPosition_mm(); //Batt reading
tnhnrl 62:d502889e74f1 47 _data_log[9] = pitchLoop().getVelocity(); // pitchRate_degs (degrees per second)
tnhnrl 62:d502889e74f1 48 _data_log[10] = depthLoop().getVelocity(); // depthRate_fps (feet per second)
tnhnrl 62:d502889e74f1 49
tnhnrl 67:c86a4b464682 50 float internal_pressure = 5.0 * ((0.009 * adc().readCh5()) - 0.095); // Press_Xducer (on-board)
tnhnrl 67:c86a4b464682 51 float voltage_input = 7.8 * adc().readCh6(); //Vin_Mon on PCB schematic (system input voltage from power supply)
tnhnrl 67:c86a4b464682 52
tnhnrl 67:c86a4b464682 53 float current_input = adc().readCh7(); // I_mon (appears to be one-to-one from the schematic)
tnhnrl 67:c86a4b464682 54
tnhnrl 67:c86a4b464682 55 // presssure onboard
tnhnrl 67:c86a4b464682 56
tnhnrl 67:c86a4b464682 57
tnhnrl 67:c86a4b464682 58 _data_log[11] = current_input; // i_in
tnhnrl 67:c86a4b464682 59 _data_log[12] = voltage_input; // v_in
tnhnrl 67:c86a4b464682 60 _data_log[13] = internal_pressure; // vac_per
tnhnrl 67:c86a4b464682 61
tnhnrl 62:d502889e74f1 62 //check what the current state is and create that string
tnhnrl 62:d502889e74f1 63 string string_state;
tnhnrl 62:d502889e74f1 64 if (current_state == SIT_IDLE)
tnhnrl 62:d502889e74f1 65 string_state = "SIT_IDLE";
tnhnrl 62:d502889e74f1 66 else if (current_state == FIND_NEUTRAL)
tnhnrl 62:d502889e74f1 67 string_state = "FIND_NEUTRAL";
tnhnrl 62:d502889e74f1 68 else if (current_state == DIVE)
tnhnrl 62:d502889e74f1 69 string_state = "DIVE";
tnhnrl 62:d502889e74f1 70 else if (current_state == RISE)
tnhnrl 62:d502889e74f1 71 string_state = "RISE";
tnhnrl 62:d502889e74f1 72 else if (current_state == FLOAT_LEVEL)
tnhnrl 62:d502889e74f1 73 string_state = "FLOAT_LEVEL";
tnhnrl 62:d502889e74f1 74 else if (current_state == FLOAT_BROADCAST)
tnhnrl 62:d502889e74f1 75 string_state = "FLOAT_BROADCAST";
tnhnrl 62:d502889e74f1 76 else if (current_state == EMERGENCY_CLIMB)
tnhnrl 62:d502889e74f1 77 string_state = "EMERGENCY_CLIMB";
tnhnrl 62:d502889e74f1 78 else if (current_state == MULTI_DIVE)
tnhnrl 62:d502889e74f1 79 string_state = "MULTI_DIVE";
tnhnrl 62:d502889e74f1 80 else if (current_state == MULTI_RISE)
tnhnrl 62:d502889e74f1 81 string_state = "MULTI_RISE";
tnhnrl 62:d502889e74f1 82 else if (current_state == KEYBOARD)
tnhnrl 62:d502889e74f1 83 string_state = "KEYBOARD";
tnhnrl 62:d502889e74f1 84 else if (current_state == CHECK_TUNING)
tnhnrl 63:6cb0405fc6e6 85 string_state = "CHECK_TUNING";
tnhnrl 63:6cb0405fc6e6 86 else if (current_state == POSITION_DIVE)
tnhnrl 63:6cb0405fc6e6 87 string_state = "POSITION_DIVE";
tnhnrl 63:6cb0405fc6e6 88 else if (current_state == POSITION_RISE)
tnhnrl 63:6cb0405fc6e6 89 string_state = "POSITION_RISE";
tnhnrl 67:c86a4b464682 90
tnhnrl 67:c86a4b464682 91 string blank_space = ""; //to get consistent spacing in the file
tnhnrl 62:d502889e74f1 92
tnhnrl 62:d502889e74f1 93 //record the string state, integer state, and then the data
tnhnrl 67:c86a4b464682 94 fprintf(_fp, "%16s,%.2d,",string_state.c_str(),current_state);
tnhnrl 67:c86a4b464682 95 fprintf(_fp, "%11d,",data_log_int); //length 10
tnhnrl 67:c86a4b464682 96 fprintf(_fp, "%6.1f,%6.1f,%6.1f,%6.1f,%6.1f,%6.1f,%6.1f,%6.1f,%6.1f,%6.1f,%6.1f,%6.1f,%6.1f%34s\n",_data_log[1],
tnhnrl 67:c86a4b464682 97 _data_log[2],_data_log[3],_data_log[4],_data_log[5],_data_log[6],_data_log[7],_data_log[8],_data_log[9],_data_log[10],_data_log[11],_data_log[12],_data_log[13],blank_space.c_str());
tnhnrl 67:c86a4b464682 98
tnhnrl 67:c86a4b464682 99 //each line in the file is 160 characters long text-wise, check this with a file read
tnhnrl 62:d502889e74f1 100 }
tnhnrl 62:d502889e74f1 101
tnhnrl 62:d502889e74f1 102 void MbedLogger::printMbedDirectory() {
tnhnrl 62:d502889e74f1 103 DIR *dir;
tnhnrl 62:d502889e74f1 104 struct dirent *dp; //dirent.h is the format of directory entries
tnhnrl 62:d502889e74f1 105 int log_found =0,loop=0;
tnhnrl 62:d502889e74f1 106 long int temp=0;
tnhnrl 62:d502889e74f1 107
tnhnrl 62:d502889e74f1 108 //char * char_pointer;
tnhnrl 62:d502889e74f1 109 char * numstart;
tnhnrl 62:d502889e74f1 110 //char *numstop;
tnhnrl 62:d502889e74f1 111
tnhnrl 62:d502889e74f1 112 pc().printf("\n\rPrinting out the directory of device %s\n\r", _file_system_string.c_str());
tnhnrl 62:d502889e74f1 113
tnhnrl 62:d502889e74f1 114 if ( NULL == (dir = opendir( _file_system_string.c_str() )) ) {
tnhnrl 62:d502889e74f1 115 pc().printf("MBED directory could not be opened\r\n");
tnhnrl 62:d502889e74f1 116 }
tnhnrl 62:d502889e74f1 117 else
tnhnrl 62:d502889e74f1 118 {
tnhnrl 62:d502889e74f1 119 while ( NULL != (dp = readdir( dir )) )
tnhnrl 62:d502889e74f1 120 {
tnhnrl 62:d502889e74f1 121 if(strncmp(dp->d_name,"LOG",3)==0)
tnhnrl 62:d502889e74f1 122 {
tnhnrl 62:d502889e74f1 123 log_found=1;
tnhnrl 62:d502889e74f1 124 /*numstart = dp->d_name; //Look for third character (do safety)
tnhnrl 62:d502889e74f1 125 numstop = strchr(dp->d_name,'.');
tnhnrl 62:d502889e74f1 126 if(numstart!=NULL&&numstop!=NULL)
tnhnrl 62:d502889e74f1 127 {
tnhnrl 62:d502889e74f1 128 temp=numstop-numstart;
tnhnrl 62:d502889e74f1 129 }
tnhnrl 62:d502889e74f1 130 else
tnhnrl 62:d502889e74f1 131 log_found=0; //Something is not right. Ignore
tnhnrl 62:d502889e74f1 132 */
tnhnrl 62:d502889e74f1 133 numstart=dp->d_name+3;
tnhnrl 62:d502889e74f1 134 temp=strtol(numstart,NULL,10); //add in check to see if this is null (start logs at one)
tnhnrl 62:d502889e74f1 135 }
tnhnrl 62:d502889e74f1 136 else
tnhnrl 62:d502889e74f1 137 log_found=0;
tnhnrl 62:d502889e74f1 138 pc().printf( "%d. %s (log file: %d, %d)\r\n", loop, dp->d_name,log_found,temp);
tnhnrl 62:d502889e74f1 139
tnhnrl 62:d502889e74f1 140 loop++;
tnhnrl 62:d502889e74f1 141 }
tnhnrl 62:d502889e74f1 142 }
tnhnrl 62:d502889e74f1 143 }
tnhnrl 62:d502889e74f1 144
tnhnrl 62:d502889e74f1 145 void MbedLogger::printCurrentLogFile() {
tnhnrl 62:d502889e74f1 146 //open the file for reading
tnhnrl 62:d502889e74f1 147 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 148
tnhnrl 63:6cb0405fc6e6 149 _log_file_line_counter = 0;
tnhnrl 62:d502889e74f1 150
tnhnrl 62:d502889e74f1 151 _fp = fopen(file_name_string.c_str(), "r");
tnhnrl 62:d502889e74f1 152
tnhnrl 62:d502889e74f1 153 char buffer[500];
tnhnrl 62:d502889e74f1 154
tnhnrl 62:d502889e74f1 155 //read the file line-by-line and print that to the screen
tnhnrl 62:d502889e74f1 156 pc().printf("\n\rCURRENT MBED LOG FILE /local/Log%03d.csv:\n\n\r",_file_number);
tnhnrl 62:d502889e74f1 157 while (!feof(_fp)) {
tnhnrl 62:d502889e74f1 158 // read in the line and make sure it was successful
tnhnrl 62:d502889e74f1 159 if (fgets(buffer,500,_fp) != NULL) { //stops at new line
tnhnrl 62:d502889e74f1 160 pc().printf("%s\r",buffer);
tnhnrl 63:6cb0405fc6e6 161 _log_file_line_counter++;
tnhnrl 62:d502889e74f1 162 }
tnhnrl 62:d502889e74f1 163 }
tnhnrl 62:d502889e74f1 164
tnhnrl 62:d502889e74f1 165 //fgets stops when either (n-1) characters are read, the newline character is read,
tnhnrl 62:d502889e74f1 166 // or the end-of-file is reached
tnhnrl 62:d502889e74f1 167
tnhnrl 62:d502889e74f1 168 //close the file
tnhnrl 62:d502889e74f1 169 closeLogFile();
tnhnrl 63:6cb0405fc6e6 170 pc().printf("\n\rLog file closed. Lines in log file: %d.\n\r", _log_file_line_counter);
tnhnrl 62:d502889e74f1 171 }
tnhnrl 62:d502889e74f1 172
tnhnrl 62:d502889e74f1 173 void MbedLogger::openFileForTransmit() {
tnhnrl 62:d502889e74f1 174 pc().printf("\n\ropenFileForTransmit\n\r");
tnhnrl 62:d502889e74f1 175 //open the current file to read the contents
tnhnrl 62:d502889e74f1 176 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 177
tnhnrl 62:d502889e74f1 178 _fp = fopen(file_name_string.c_str(), "r");
tnhnrl 62:d502889e74f1 179
tnhnrl 62:d502889e74f1 180 _file_transmission = true;
tnhnrl 62:d502889e74f1 181 }
tnhnrl 62:d502889e74f1 182
tnhnrl 62:d502889e74f1 183 void MbedLogger::transmitCurrentLogFileLine(bool next_line) {
tnhnrl 62:d502889e74f1 184 vector <int> current_packet;
tnhnrl 62:d502889e74f1 185
tnhnrl 62:d502889e74f1 186 pc().printf("\n\rtransmitCurrentLogFile\n\r");
tnhnrl 62:d502889e74f1 187
tnhnrl 62:d502889e74f1 188 //while not end of file, read through line by line???
tnhnrl 62:d502889e74f1 189
tnhnrl 62:d502889e74f1 190 //transmit the file line by line (reads one line)
tnhnrl 62:d502889e74f1 191 //if you get the command to send a new line, go to the next line
tnhnrl 62:d502889e74f1 192 if (next_line) {
tnhnrl 62:d502889e74f1 193 if (fgets(_line_buffer,256,_fp) != NULL) {
tnhnrl 62:d502889e74f1 194 pc().printf("%s\r",_line_buffer);
tnhnrl 62:d502889e74f1 195 }
tnhnrl 62:d502889e74f1 196 }
tnhnrl 62:d502889e74f1 197
tnhnrl 62:d502889e74f1 198 // GET BUFFER LENGTH
tnhnrl 62:d502889e74f1 199 _current_line_length = strlen(_line_buffer);
tnhnrl 62:d502889e74f1 200
tnhnrl 62:d502889e74f1 201 //DEBUG PRINT TO SCREEN
tnhnrl 62:d502889e74f1 202 pc().printf("line_buffer size: %d %<%s>\r",_current_line_length,_line_buffer);
tnhnrl 62:d502889e74f1 203 }
tnhnrl 62:d502889e74f1 204
tnhnrl 62:d502889e74f1 205 void MbedLogger::createDataPacket() {
tnhnrl 62:d502889e74f1 206 // packet is 7565 0001 FFFF EEEE CC DATA DATA DATA ... CRC1 CRC2
tnhnrl 62:d502889e74f1 207
tnhnrl 62:d502889e74f1 208 //CLEAR: Removes all elements from the vector (which are destroyed), leaving the container with a size of 0.
tnhnrl 62:d502889e74f1 209 _data_packet.clear();
tnhnrl 62:d502889e74f1 210
tnhnrl 62:d502889e74f1 211 //DATA PACKET HEADER
tnhnrl 62:d502889e74f1 212 _data_packet.push_back(117); //0x75
tnhnrl 62:d502889e74f1 213 _data_packet.push_back(101); //0x65
tnhnrl 62:d502889e74f1 214
tnhnrl 62:d502889e74f1 215 _data_packet.push_back(_packet_number/256); //current packet number in 0x#### form
tnhnrl 62:d502889e74f1 216 _data_packet.push_back(_packet_number%256); //current packet number in 0x#### form
tnhnrl 62:d502889e74f1 217
tnhnrl 62:d502889e74f1 218 _data_packet.push_back(_total_number_of_packets/256); //total number of packets, 0x#### form
tnhnrl 62:d502889e74f1 219 _data_packet.push_back(_total_number_of_packets%256); //total number of packets, 0x#### form
tnhnrl 62:d502889e74f1 220
tnhnrl 62:d502889e74f1 221 _data_packet.push_back(_current_line_length);
tnhnrl 62:d502889e74f1 222
tnhnrl 62:d502889e74f1 223 pc().printf("DEBUG: Current line buffer: %s\n\r", _line_buffer); //debug
tnhnrl 62:d502889e74f1 224
tnhnrl 62:d502889e74f1 225 //DATA FROM LINE READ (read string character by chracter)
tnhnrl 62:d502889e74f1 226 for (int i = 0; i < _current_line_length; i++) {
tnhnrl 62:d502889e74f1 227 _data_packet.push_back(_line_buffer[i]);
tnhnrl 62:d502889e74f1 228 }
tnhnrl 62:d502889e74f1 229
tnhnrl 62:d502889e74f1 230 //CRC CALCULATIONS BELOW
tnhnrl 62:d502889e74f1 231 //character version of calculation screws up on null character 0x00, scrapped and using vector of integers
tnhnrl 62:d502889e74f1 232
tnhnrl 62:d502889e74f1 233 int crc_one = calcCrcOne();
tnhnrl 62:d502889e74f1 234 int crc_two = calcCrcTwo();
tnhnrl 62:d502889e74f1 235
tnhnrl 62:d502889e74f1 236 //place the crc bytes into the data packet that is transmitted
tnhnrl 62:d502889e74f1 237 _data_packet.push_back(crc_one);
tnhnrl 62:d502889e74f1 238 _data_packet.push_back(crc_two);
tnhnrl 62:d502889e74f1 239 }
tnhnrl 62:d502889e74f1 240
tnhnrl 62:d502889e74f1 241 //should i save it as a string and transmit the string? next iteration maybe
tnhnrl 62:d502889e74f1 242
tnhnrl 62:d502889e74f1 243 void MbedLogger::transmitDataPacket() {
tnhnrl 62:d502889e74f1 244 //WRITE the data (in bytes) to the serial port
tnhnrl 62:d502889e74f1 245 for (_it=_data_packet.begin(); _it < _data_packet.end(); _it++) {
tnhnrl 62:d502889e74f1 246 pc().putc(*_it); //send integers over serial port one byte at a time
tnhnrl 62:d502889e74f1 247 }
tnhnrl 62:d502889e74f1 248 }
tnhnrl 62:d502889e74f1 249
tnhnrl 62:d502889e74f1 250 // test to see if transmitDataPacket is working slower than you think.
tnhnrl 62:d502889e74f1 251
tnhnrl 62:d502889e74f1 252 // REACH ONE CHAR AT A TIME (EACH ITERATION OF STATE MACHINE...)
tnhnrl 62:d502889e74f1 253
tnhnrl 63:6cb0405fc6e6 254 void MbedLogger::readTransmitPacketOneChar() {
tnhnrl 63:6cb0405fc6e6 255 led2() = !led2();
tnhnrl 63:6cb0405fc6e6 256
tnhnrl 62:d502889e74f1 257 static int transmit_state = HEADER_117; //state in switch statement
tnhnrl 62:d502889e74f1 258 int incoming_byte = -1; //reset each time a character is read
tnhnrl 62:d502889e74f1 259 int requested_packet_number = -1; //reset each time a character is read
tnhnrl 62:d502889e74f1 260 static int input_packet[4]; //changed from char in previous iteration 03/28/2018
tnhnrl 62:d502889e74f1 261 static int transmit_crc_one = 0; //hold crc values until they're reset with calculations
tnhnrl 62:d502889e74f1 262 static int transmit_crc_two = 0;
tnhnrl 62:d502889e74f1 263
tnhnrl 62:d502889e74f1 264
tnhnrl 63:6cb0405fc6e6 265 while (pc().readable()) {
tnhnrl 63:6cb0405fc6e6 266 incoming_byte = pc().getc();
tnhnrl 63:6cb0405fc6e6 267
tnhnrl 63:6cb0405fc6e6 268 led3() = !led3();
tnhnrl 62:d502889e74f1 269
tnhnrl 63:6cb0405fc6e6 270 switch(transmit_state) {
tnhnrl 63:6cb0405fc6e6 271 case HEADER_117:
tnhnrl 63:6cb0405fc6e6 272 //continue processing
tnhnrl 63:6cb0405fc6e6 273 if (incoming_byte == 30){ //1E
tnhnrl 63:6cb0405fc6e6 274 transmit_state = HEADER_101;
tnhnrl 63:6cb0405fc6e6 275 }
tnhnrl 63:6cb0405fc6e6 276 //did not receive byte 1
tnhnrl 63:6cb0405fc6e6 277 else {
tnhnrl 63:6cb0405fc6e6 278 transmit_state = HEADER_117; //go back to checking the first packet
tnhnrl 63:6cb0405fc6e6 279 }
tnhnrl 63:6cb0405fc6e6 280 break;
tnhnrl 63:6cb0405fc6e6 281
tnhnrl 63:6cb0405fc6e6 282 case HEADER_101:
tnhnrl 63:6cb0405fc6e6 283 if(incoming_byte == 31) { //1F
tnhnrl 63:6cb0405fc6e6 284 transmit_state = TRANSMIT_PACKET_1;
tnhnrl 63:6cb0405fc6e6 285 }
tnhnrl 63:6cb0405fc6e6 286 break;
tnhnrl 62:d502889e74f1 287
tnhnrl 63:6cb0405fc6e6 288 case TRANSMIT_PACKET_1:
tnhnrl 63:6cb0405fc6e6 289 if (incoming_byte >= 0) {
tnhnrl 63:6cb0405fc6e6 290 input_packet[0] = 30;
tnhnrl 63:6cb0405fc6e6 291 input_packet[1] = 31;
tnhnrl 63:6cb0405fc6e6 292 input_packet[2] = incoming_byte;
tnhnrl 63:6cb0405fc6e6 293
tnhnrl 63:6cb0405fc6e6 294 transmit_state = TRANSMIT_PACKET_2;
tnhnrl 63:6cb0405fc6e6 295 //_reply_byte3 = incoming_byte;
tnhnrl 63:6cb0405fc6e6 296 }
tnhnrl 63:6cb0405fc6e6 297 break;
tnhnrl 63:6cb0405fc6e6 298
tnhnrl 63:6cb0405fc6e6 299 case TRANSMIT_PACKET_2:
tnhnrl 62:d502889e74f1 300
tnhnrl 63:6cb0405fc6e6 301 if (incoming_byte >= 0) {
tnhnrl 63:6cb0405fc6e6 302 input_packet[3] = incoming_byte;
tnhnrl 63:6cb0405fc6e6 303 //_reply_byte4 = incoming_byte;
tnhnrl 63:6cb0405fc6e6 304 }
tnhnrl 63:6cb0405fc6e6 305 transmit_state = PACKET_CRC_ONE;
tnhnrl 62:d502889e74f1 306
tnhnrl 63:6cb0405fc6e6 307 break;
tnhnrl 62:d502889e74f1 308
tnhnrl 63:6cb0405fc6e6 309 case (PACKET_CRC_ONE):
tnhnrl 63:6cb0405fc6e6 310 transmit_crc_one = calcCrcOneArray(input_packet, 4); //calc CRC 1 from the input packet (size 4)
tnhnrl 63:6cb0405fc6e6 311
tnhnrl 63:6cb0405fc6e6 312 if (incoming_byte == transmit_crc_one) {
tnhnrl 63:6cb0405fc6e6 313 transmit_state = PACKET_CRC_TWO;
tnhnrl 62:d502889e74f1 314 }
tnhnrl 62:d502889e74f1 315
tnhnrl 62:d502889e74f1 316 else
tnhnrl 63:6cb0405fc6e6 317 transmit_state = HEADER_117;
tnhnrl 63:6cb0405fc6e6 318 //or state remains the same?
tnhnrl 62:d502889e74f1 319
tnhnrl 63:6cb0405fc6e6 320 break;
tnhnrl 62:d502889e74f1 321
tnhnrl 63:6cb0405fc6e6 322 case (PACKET_CRC_TWO):
tnhnrl 63:6cb0405fc6e6 323 transmit_state = HEADER_117;
tnhnrl 63:6cb0405fc6e6 324 transmit_crc_two = calcCrcTwoArray(input_packet, 4); //calc CRC 2 from the input packet (size 4)
tnhnrl 63:6cb0405fc6e6 325
tnhnrl 63:6cb0405fc6e6 326 //check if CRC TWO is correct (then send full packet)
tnhnrl 63:6cb0405fc6e6 327 if (incoming_byte == transmit_crc_two) {
tnhnrl 63:6cb0405fc6e6 328 requested_packet_number = input_packet[2] * 256 + input_packet[3]; //compute the numbers 0 through 65535 with the two bytes
tnhnrl 63:6cb0405fc6e6 329
tnhnrl 63:6cb0405fc6e6 330 if (requested_packet_number != _previous_reply_byte) { //CHANGE THE NAME TO SOMETHING NOT BYTE!
tnhnrl 63:6cb0405fc6e6 331 //MUST SET THE PACKET NUMBER
tnhnrl 63:6cb0405fc6e6 332 _packet_number = requested_packet_number;
tnhnrl 63:6cb0405fc6e6 333
tnhnrl 63:6cb0405fc6e6 334 // DO NOT READ IF THE CURRENT REQUEST IS PAST THE TOTAL # OF PACKETS (lines of the file)
tnhnrl 63:6cb0405fc6e6 335 if (_packet_number <= _total_number_of_packets) {
tnhnrl 63:6cb0405fc6e6 336 readPacketInSeries();
tnhnrl 63:6cb0405fc6e6 337 createDataPacket();
tnhnrl 63:6cb0405fc6e6 338 }
tnhnrl 63:6cb0405fc6e6 339
tnhnrl 63:6cb0405fc6e6 340 _previous_reply_byte = requested_packet_number; //RECORD THIS BYTE to prevent new packets being created
tnhnrl 63:6cb0405fc6e6 341
tnhnrl 63:6cb0405fc6e6 342 transmitDataPacket(); //continuously transmit current packet until it tells you to do the next packet (response from Python program)
tnhnrl 63:6cb0405fc6e6 343 }
tnhnrl 63:6cb0405fc6e6 344
tnhnrl 63:6cb0405fc6e6 345 else
tnhnrl 63:6cb0405fc6e6 346 transmitDataPacket(); //if you get the same packet request, send the same packet
tnhnrl 63:6cb0405fc6e6 347
tnhnrl 63:6cb0405fc6e6 348 } //end of checksum (incoming_byte) if statement
tnhnrl 63:6cb0405fc6e6 349
tnhnrl 63:6cb0405fc6e6 350 break;
tnhnrl 63:6cb0405fc6e6 351 } //switch statement complete
tnhnrl 63:6cb0405fc6e6 352 } //while statement complete
tnhnrl 62:d502889e74f1 353 }
tnhnrl 62:d502889e74f1 354
tnhnrl 62:d502889e74f1 355 int MbedLogger::readTransmitPacket() {
tnhnrl 62:d502889e74f1 356 _file_transmission = true;
tnhnrl 62:d502889e74f1 357 _file_transmission_state = 0;
tnhnrl 62:d502889e74f1 358
tnhnrl 62:d502889e74f1 359 //first check if you're receiving data, then read four bytes
tnhnrl 62:d502889e74f1 360
tnhnrl 62:d502889e74f1 361 int transmit_state = 0; //for state machine
tnhnrl 62:d502889e74f1 362
tnhnrl 62:d502889e74f1 363 int incoming_byte = -1;
tnhnrl 62:d502889e74f1 364
tnhnrl 62:d502889e74f1 365 int requested_packet_number = -1;
tnhnrl 62:d502889e74f1 366
tnhnrl 62:d502889e74f1 367 static int inside_while_loop = 1;
tnhnrl 62:d502889e74f1 368
tnhnrl 62:d502889e74f1 369 while (inside_while_loop) {
tnhnrl 62:d502889e74f1 370 if (pc().readable()) { //don't rely on pc readable being open all the time
tnhnrl 62:d502889e74f1 371
tnhnrl 62:d502889e74f1 372 incoming_byte = pc().getc();
tnhnrl 62:d502889e74f1 373
tnhnrl 62:d502889e74f1 374 switch(transmit_state) {
tnhnrl 62:d502889e74f1 375
tnhnrl 62:d502889e74f1 376 case (HEADER_117):
tnhnrl 62:d502889e74f1 377 //continue processing
tnhnrl 62:d502889e74f1 378 if (incoming_byte == 117){
tnhnrl 62:d502889e74f1 379 transmit_state = HEADER_101;
tnhnrl 62:d502889e74f1 380 }
tnhnrl 62:d502889e74f1 381 //end transmission
tnhnrl 62:d502889e74f1 382 else if (incoming_byte == 16) {
tnhnrl 62:d502889e74f1 383 transmit_state = END_TRANSMISSION;
tnhnrl 62:d502889e74f1 384 }
tnhnrl 62:d502889e74f1 385 else {
tnhnrl 62:d502889e74f1 386 transmit_state = HEADER_117;
tnhnrl 62:d502889e74f1 387 }
tnhnrl 62:d502889e74f1 388 break;
tnhnrl 62:d502889e74f1 389
tnhnrl 62:d502889e74f1 390 case (HEADER_101):
tnhnrl 62:d502889e74f1 391 if(incoming_byte == 101) {
tnhnrl 62:d502889e74f1 392 transmit_state = TRANSMIT_PACKET_1;
tnhnrl 62:d502889e74f1 393 }
tnhnrl 62:d502889e74f1 394 break;
tnhnrl 62:d502889e74f1 395
tnhnrl 62:d502889e74f1 396 case (TRANSMIT_PACKET_1):
tnhnrl 62:d502889e74f1 397 if (incoming_byte >= 0) {
tnhnrl 62:d502889e74f1 398 transmit_state = TRANSMIT_PACKET_2;
tnhnrl 62:d502889e74f1 399 _reply_byte3 = incoming_byte;
tnhnrl 62:d502889e74f1 400 }
tnhnrl 62:d502889e74f1 401 break;
tnhnrl 62:d502889e74f1 402
tnhnrl 62:d502889e74f1 403 case (TRANSMIT_PACKET_2):
tnhnrl 62:d502889e74f1 404 if (incoming_byte >= 0) {
tnhnrl 62:d502889e74f1 405 _reply_byte4 = incoming_byte;
tnhnrl 62:d502889e74f1 406 }
tnhnrl 62:d502889e74f1 407
tnhnrl 62:d502889e74f1 408 requested_packet_number = _reply_byte3 * 256 + _reply_byte4; //compute the numbers 0 through 65535 with the two bytes
tnhnrl 62:d502889e74f1 409
tnhnrl 62:d502889e74f1 410 if (requested_packet_number != _previous_reply_byte) { //CHANGE THE NAME TO SOMETHING NOT BYTE!
tnhnrl 62:d502889e74f1 411 //MUST SET THE PACKET NUMBER
tnhnrl 62:d502889e74f1 412 _packet_number = requested_packet_number;
tnhnrl 62:d502889e74f1 413
tnhnrl 62:d502889e74f1 414 readPacketInSeries();
tnhnrl 62:d502889e74f1 415 createDataPacket();
tnhnrl 62:d502889e74f1 416 _previous_reply_byte = requested_packet_number; //RECORD THIS BYTE to prevent new packets being created
tnhnrl 62:d502889e74f1 417 }
tnhnrl 62:d502889e74f1 418
tnhnrl 62:d502889e74f1 419 //continuously transmit current packet until it tells you to do the next packet (response from Python program)
tnhnrl 62:d502889e74f1 420 transmitDataPacket();
tnhnrl 62:d502889e74f1 421
tnhnrl 62:d502889e74f1 422 //TRANSMIT_PACKET_2
tnhnrl 62:d502889e74f1 423 inside_while_loop = 0; //exit the while loop with this
tnhnrl 62:d502889e74f1 424 pc().printf("(TRANSMIT_PACKET_2)reached inside_while_loop = 0\n\r"); //DEBUG
tnhnrl 62:d502889e74f1 425 break;
tnhnrl 62:d502889e74f1 426 } //end of switch statement
tnhnrl 62:d502889e74f1 427 } //end of while loop
tnhnrl 62:d502889e74f1 428
tnhnrl 62:d502889e74f1 429 // else {
tnhnrl 62:d502889e74f1 430 // //pc().printf("pc not readable \n\r");
tnhnrl 62:d502889e74f1 431 // }
tnhnrl 62:d502889e74f1 432 //
tnhnrl 62:d502889e74f1 433 }
tnhnrl 62:d502889e74f1 434
tnhnrl 62:d502889e74f1 435 //once you're outside of the while loop
tnhnrl 62:d502889e74f1 436 inside_while_loop = true; //for next iteration
tnhnrl 62:d502889e74f1 437
tnhnrl 62:d502889e74f1 438 pc().printf("DEBUG: (readTransmitPacket) Outside of while loop\n\r");
tnhnrl 62:d502889e74f1 439 return false;
tnhnrl 62:d502889e74f1 440 }
tnhnrl 62:d502889e74f1 441
tnhnrl 62:d502889e74f1 442 void MbedLogger::reOpenLineReader() {
tnhnrl 62:d502889e74f1 443 //open a new one
tnhnrl 62:d502889e74f1 444 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 445
tnhnrl 62:d502889e74f1 446 _fp = fopen(file_name_string.c_str(), "r"); //open the log file to read
tnhnrl 62:d502889e74f1 447
tnhnrl 62:d502889e74f1 448 //check if this actually worked...
tnhnrl 62:d502889e74f1 449 if (!_fp) {
tnhnrl 62:d502889e74f1 450 pc().printf("ERROR: Log file could not be opened\n\r");
tnhnrl 62:d502889e74f1 451 }
tnhnrl 62:d502889e74f1 452 else {
tnhnrl 62:d502889e74f1 453 pc().printf("Current Log file (LOG000.csv) was opened.\n\r");
tnhnrl 62:d502889e74f1 454 }
tnhnrl 62:d502889e74f1 455 }
tnhnrl 62:d502889e74f1 456
tnhnrl 62:d502889e74f1 457 bool MbedLogger::openLineReader() {
tnhnrl 62:d502889e74f1 458 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 459
tnhnrl 62:d502889e74f1 460 _fp = fopen(file_name_string.c_str(), "r"); //open the log file to read
tnhnrl 62:d502889e74f1 461
tnhnrl 62:d502889e74f1 462 //check if this actually worked...
tnhnrl 62:d502889e74f1 463 if (!_fp) {
tnhnrl 62:d502889e74f1 464 //pc().printf("ERROR: Log file could not be opened\n\r");
tnhnrl 62:d502889e74f1 465 return false;
tnhnrl 62:d502889e74f1 466 }
tnhnrl 62:d502889e74f1 467 else {
tnhnrl 62:d502889e74f1 468 //pc().printf("Current Log file (LOG000.csv) was opened.\n\r");
tnhnrl 62:d502889e74f1 469 return true;
tnhnrl 62:d502889e74f1 470 }
tnhnrl 62:d502889e74f1 471 }
tnhnrl 62:d502889e74f1 472
tnhnrl 62:d502889e74f1 473 //VERIFIED THIS IS WORKING
tnhnrl 62:d502889e74f1 474 void MbedLogger::readPacketInSeries(){
tnhnrl 62:d502889e74f1 475 memset(&_line_buffer[0], 0, sizeof(_line_buffer)); //clear buffer each time, start at the address, fill with zeroes, go to the end of the char array
tnhnrl 62:d502889e74f1 476
tnhnrl 62:d502889e74f1 477 //read the current line in the file
tnhnrl 62:d502889e74f1 478 fgets(_line_buffer, 256, _fp); //reads the line of characters until you reach a newline character
tnhnrl 62:d502889e74f1 479
tnhnrl 62:d502889e74f1 480 //RECORD THE STRING LENGTH
tnhnrl 62:d502889e74f1 481 _current_line_length = strlen(_line_buffer);
tnhnrl 62:d502889e74f1 482 }
tnhnrl 62:d502889e74f1 483
tnhnrl 62:d502889e74f1 484 void MbedLogger::getNumberOfPacketsInCurrentLog() {
tnhnrl 62:d502889e74f1 485 _packet_number = 0;
tnhnrl 62:d502889e74f1 486
tnhnrl 62:d502889e74f1 487 int ch;
tnhnrl 62:d502889e74f1 488
tnhnrl 62:d502889e74f1 489 _total_number_of_packets = 0; //clear this each time you read the file
tnhnrl 62:d502889e74f1 490
tnhnrl 62:d502889e74f1 491 //if this is null, use the default, else use the new file
tnhnrl 62:d502889e74f1 492
tnhnrl 62:d502889e74f1 493 if (_fp == NULL) {
tnhnrl 62:d502889e74f1 494 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 495
tnhnrl 62:d502889e74f1 496 _fp = fopen(file_name_string.c_str(), "r"); //open the log file to read
tnhnrl 62:d502889e74f1 497 }
tnhnrl 62:d502889e74f1 498 else { //else, use the file that is already open...
tnhnrl 62:d502889e74f1 499 fseek(_fp, 0, SEEK_SET); // SEEK_SET is the beginning of file
tnhnrl 62:d502889e74f1 500 }
tnhnrl 62:d502889e74f1 501
tnhnrl 67:c86a4b464682 502 //counts the number of newline characters to generate the packet size
tnhnrl 62:d502889e74f1 503 while (EOF != (ch=getc(_fp))) {
tnhnrl 62:d502889e74f1 504 if ('\n' == ch)
tnhnrl 62:d502889e74f1 505 _total_number_of_packets++; // records the number of new lines to determine how many packets to send
tnhnrl 62:d502889e74f1 506 }
tnhnrl 62:d502889e74f1 507
tnhnrl 62:d502889e74f1 508 //move the FILE pointer back to the start
tnhnrl 62:d502889e74f1 509 fseek(_fp, 0, SEEK_SET); // SEEK_SET is the beginning of file
tnhnrl 62:d502889e74f1 510
tnhnrl 62:d502889e74f1 511 _file_transmission = true; //preparing to transmit files from MBED to Python
tnhnrl 62:d502889e74f1 512 }
tnhnrl 62:d502889e74f1 513
tnhnrl 62:d502889e74f1 514 void MbedLogger::endTransmissionCloseFile() {
tnhnrl 62:d502889e74f1 515 // if the file pointer is null, the file was not opened in the first place
tnhnrl 62:d502889e74f1 516 if (!_fp) {
tnhnrl 62:d502889e74f1 517 pc().printf("\n endTransmissionCloseFile: FILE WAS NOT OPENED!\n\r");
tnhnrl 62:d502889e74f1 518 }
tnhnrl 62:d502889e74f1 519 else {
tnhnrl 62:d502889e74f1 520 pc().printf("\n endTransmissionCloseFile: FILE FOUND AND CLOSED!\n\r");
tnhnrl 62:d502889e74f1 521 closeLogFile();
tnhnrl 62:d502889e74f1 522 }
tnhnrl 62:d502889e74f1 523
tnhnrl 62:d502889e74f1 524 _file_transmission = false;
tnhnrl 62:d502889e74f1 525 }
tnhnrl 62:d502889e74f1 526
tnhnrl 62:d502889e74f1 527 void MbedLogger::openWriteFile() {
tnhnrl 62:d502889e74f1 528 pc().printf("Opening file for reception.\n\r");
tnhnrl 62:d502889e74f1 529
tnhnrl 62:d502889e74f1 530 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 531
tnhnrl 62:d502889e74f1 532 _fp = fopen(file_name_string.c_str(), "w");
tnhnrl 62:d502889e74f1 533 }
tnhnrl 62:d502889e74f1 534
tnhnrl 62:d502889e74f1 535
tnhnrl 62:d502889e74f1 536 //weird bug noticed on 5/25/2018 where if you're not sending data the function is not completing
tnhnrl 62:d502889e74f1 537
tnhnrl 62:d502889e74f1 538
tnhnrl 62:d502889e74f1 539
tnhnrl 62:d502889e74f1 540
tnhnrl 62:d502889e74f1 541 // function checks for incoming data (receiver function) from a Python program that transmits a file
tnhnrl 62:d502889e74f1 542 // current limit is a file that has 255 lines of data
tnhnrl 62:d502889e74f1 543 bool MbedLogger::checkForIncomingData() {
tnhnrl 62:d502889e74f1 544 led1() = !led1();
tnhnrl 62:d502889e74f1 545
tnhnrl 62:d502889e74f1 546 int receive_packet_number;
tnhnrl 62:d502889e74f1 547 int receive_total_number_packets;
tnhnrl 62:d502889e74f1 548 int receive_packet_size;
tnhnrl 62:d502889e74f1 549
tnhnrl 62:d502889e74f1 550 bool data_transmission_complete = false;
tnhnrl 62:d502889e74f1 551
tnhnrl 62:d502889e74f1 552 int incoming_byte;
tnhnrl 62:d502889e74f1 553
tnhnrl 62:d502889e74f1 554 char char_buffer[256] = {}; //create empty buffer
tnhnrl 62:d502889e74f1 555
tnhnrl 62:d502889e74f1 556 //starting state
tnhnrl 62:d502889e74f1 557 int process_state = HEADER_117;
tnhnrl 62:d502889e74f1 558
tnhnrl 62:d502889e74f1 559 //variables for processing data below
tnhnrl 62:d502889e74f1 560 int checksum_one = -1;
tnhnrl 62:d502889e74f1 561 int checksum_two = -1;
tnhnrl 62:d502889e74f1 562
tnhnrl 62:d502889e74f1 563 int i = 5;
tnhnrl 62:d502889e74f1 564 int serial_timeout = 0;
tnhnrl 62:d502889e74f1 565
tnhnrl 62:d502889e74f1 566 while (pc().readable() && !data_transmission_complete) {
tnhnrl 62:d502889e74f1 567 incoming_byte = pc().getc(); //getc returns an unsigned char cast to an int
tnhnrl 62:d502889e74f1 568 //pc().printf("DEBUG: State 0\n\r");
tnhnrl 62:d502889e74f1 569
tnhnrl 62:d502889e74f1 570 switch(process_state) {
tnhnrl 62:d502889e74f1 571 case HEADER_117:
tnhnrl 62:d502889e74f1 572 //continue processing
tnhnrl 62:d502889e74f1 573 if (incoming_byte == 117){
tnhnrl 62:d502889e74f1 574 process_state = HEADER_101;
tnhnrl 62:d502889e74f1 575 //pc().printf("DEBUG: Case 117\n\r");
tnhnrl 62:d502889e74f1 576 }
tnhnrl 62:d502889e74f1 577 //end transmission
tnhnrl 62:d502889e74f1 578 else if (incoming_byte == 16) {
tnhnrl 62:d502889e74f1 579 process_state = END_TRANSMISSION;
tnhnrl 62:d502889e74f1 580 pc().printf("DEBUG: State 16 (END_TRANSMISSION)\n\r");
tnhnrl 62:d502889e74f1 581 }
tnhnrl 62:d502889e74f1 582 else {
tnhnrl 62:d502889e74f1 583 process_state = HEADER_117; // ???
tnhnrl 62:d502889e74f1 584 //pc().printf("DEBUG: State Header 117\n\r");
tnhnrl 62:d502889e74f1 585 }
tnhnrl 62:d502889e74f1 586 break;
tnhnrl 62:d502889e74f1 587
tnhnrl 62:d502889e74f1 588 case HEADER_101:
tnhnrl 62:d502889e74f1 589 if(incoming_byte == 101) {
tnhnrl 62:d502889e74f1 590 process_state = PACKET_NUM;
tnhnrl 62:d502889e74f1 591 //pc().printf("DEBUG: Case 101\n\r");
tnhnrl 62:d502889e74f1 592 }
tnhnrl 62:d502889e74f1 593 break;
tnhnrl 62:d502889e74f1 594
tnhnrl 62:d502889e74f1 595 case PACKET_NUM:
tnhnrl 62:d502889e74f1 596 receive_packet_number = incoming_byte;
tnhnrl 62:d502889e74f1 597 process_state = TOTAL_NUM_PACKETS;
tnhnrl 62:d502889e74f1 598 //pc().printf("DEBUG: Case PACKET_NUM\n\r");
tnhnrl 62:d502889e74f1 599 break;
tnhnrl 62:d502889e74f1 600
tnhnrl 62:d502889e74f1 601 case TOTAL_NUM_PACKETS:
tnhnrl 62:d502889e74f1 602 receive_total_number_packets = incoming_byte;
tnhnrl 62:d502889e74f1 603 process_state = PACKET_SIZE;
tnhnrl 62:d502889e74f1 604 //pc().printf("DEBUG: Case TOTAL_NUM_PACKETS\n\r");
tnhnrl 62:d502889e74f1 605 break;
tnhnrl 62:d502889e74f1 606
tnhnrl 62:d502889e74f1 607 case PACKET_SIZE:
tnhnrl 62:d502889e74f1 608 receive_packet_size = incoming_byte;
tnhnrl 62:d502889e74f1 609 //pc().printf("DEBUG: Case PACKET_SIZE\n\r");
tnhnrl 62:d502889e74f1 610
tnhnrl 62:d502889e74f1 611 //write the header stuff to it
tnhnrl 62:d502889e74f1 612 char_buffer[0] = 117;
tnhnrl 62:d502889e74f1 613 char_buffer[1] = 101;
tnhnrl 62:d502889e74f1 614 char_buffer[2] = receive_packet_number;
tnhnrl 62:d502889e74f1 615 char_buffer[3] = receive_total_number_packets;
tnhnrl 62:d502889e74f1 616 char_buffer[4] = receive_packet_size;
tnhnrl 62:d502889e74f1 617
tnhnrl 62:d502889e74f1 618 // tests confirmed that packet number is zero, number of packets is 12, packet size is 12
tnhnrl 62:d502889e74f1 619 //pc().printf("char_buffer 2/3/4: %d %d %d\n\r", receive_packet_number,receive_total_number_packets,receive_packet_size);
tnhnrl 62:d502889e74f1 620
tnhnrl 62:d502889e74f1 621 led4() = !led4();
tnhnrl 62:d502889e74f1 622
tnhnrl 62:d502889e74f1 623 //process packet data, future version will append for larger data sizes, 0xFFFF
tnhnrl 62:d502889e74f1 624
tnhnrl 62:d502889e74f1 625 // IF YOU GET AN INTERRUPTED DATA STREAM YOU NEED TO BREAK OUT OF THE LOOP
tnhnrl 62:d502889e74f1 626 i = 5;
tnhnrl 62:d502889e74f1 627 serial_timeout = 0;
tnhnrl 62:d502889e74f1 628
tnhnrl 62:d502889e74f1 629 while (true) {
tnhnrl 62:d502889e74f1 630 if (pc().readable()) {
tnhnrl 62:d502889e74f1 631 char_buffer[i] = pc().getc(); //read all of the data packets
tnhnrl 62:d502889e74f1 632 i++;
tnhnrl 62:d502889e74f1 633
tnhnrl 62:d502889e74f1 634 serial_timeout = 0; //reset the timeout
tnhnrl 62:d502889e74f1 635 }
tnhnrl 62:d502889e74f1 636 else {
tnhnrl 62:d502889e74f1 637 serial_timeout++;
tnhnrl 62:d502889e74f1 638 }
tnhnrl 62:d502889e74f1 639
tnhnrl 62:d502889e74f1 640 // When full data packet is received...
tnhnrl 62:d502889e74f1 641 if (i >= receive_packet_size+5) { //cannot do this properly with a for loop
tnhnrl 62:d502889e74f1 642 //get checksum bytes
tnhnrl 62:d502889e74f1 643 checksum_one = pc().getc();
tnhnrl 62:d502889e74f1 644 checksum_two = pc().getc();
tnhnrl 62:d502889e74f1 645
tnhnrl 62:d502889e74f1 646 //calculate the CRC from the header and data bytes using _data_packet (vector)
tnhnrl 62:d502889e74f1 647 //found out calculating crc with string was dropping empty or null spaces
tnhnrl 62:d502889e74f1 648 _data_packet.clear(); //clear it just in case
tnhnrl 62:d502889e74f1 649
tnhnrl 62:d502889e74f1 650 for (int a = 0; a < receive_packet_size+5; a++) {
tnhnrl 62:d502889e74f1 651 _data_packet.push_back(char_buffer[a]); //push the character array into the buffer
tnhnrl 62:d502889e74f1 652 }
tnhnrl 62:d502889e74f1 653
tnhnrl 62:d502889e74f1 654 //calculate the CRC using the vector (strings will cut off null characters)
tnhnrl 62:d502889e74f1 655 int calc_crc_one = calcCrcOne();
tnhnrl 62:d502889e74f1 656 int calc_crc_two = calcCrcTwo();
tnhnrl 62:d502889e74f1 657
tnhnrl 62:d502889e74f1 658 //pc().printf("DEBUG: calc crc 1: %d, crc 2: %d\n\r", calc_crc_one, calc_crc_two);
tnhnrl 62:d502889e74f1 659
tnhnrl 62:d502889e74f1 660 // first confirm that the checksum is correct
tnhnrl 62:d502889e74f1 661 if ((calc_crc_one == checksum_one) and (calc_crc_two == checksum_two)) {
tnhnrl 62:d502889e74f1 662 // CHECKSUM CORRECT & get the filename from the first packet (check that you receive first packet)
tnhnrl 62:d502889e74f1 663 if (receive_packet_number == 0) {
tnhnrl 62:d502889e74f1 664 char temp_char[receive_packet_size+1]; //temp array for memcpy
tnhnrl 62:d502889e74f1 665 memset(&temp_char[0], 0, sizeof(temp_char)); //clear full array (or get random characters)
tnhnrl 62:d502889e74f1 666 strncpy(temp_char, char_buffer + 5 /* Offset */, receive_packet_size*sizeof(char) /* Length */); //memcpy introduced random characters
tnhnrl 62:d502889e74f1 667
tnhnrl 62:d502889e74f1 668 //have to terminate the string with '\0'
tnhnrl 62:d502889e74f1 669 temp_char[receive_packet_size] = '\0';
tnhnrl 62:d502889e74f1 670
tnhnrl 62:d502889e74f1 671 //pc().printf("\n\rDEBUG: ------ Filename? <<%s>>\n\r", temp_char);
tnhnrl 62:d502889e74f1 672 _received_filename = temp_char;
tnhnrl 62:d502889e74f1 673
tnhnrl 62:d502889e74f1 674 //pc().printf("\n\rDEBUG: _received_filename <<%s>>\n\r", _received_filename);
tnhnrl 62:d502889e74f1 675
tnhnrl 62:d502889e74f1 676 //open a file for writing
tnhnrl 62:d502889e74f1 677 openReceiveFile(_received_filename);
tnhnrl 62:d502889e74f1 678
tnhnrl 62:d502889e74f1 679 //send a reply to Python transmit program
tnhnrl 62:d502889e74f1 680 sendReply();
tnhnrl 62:d502889e74f1 681
tnhnrl 62:d502889e74f1 682 led3() = 1;
tnhnrl 62:d502889e74f1 683
tnhnrl 62:d502889e74f1 684 // even if correct CRC, counter prevents the program from writing the same packet twice
tnhnrl 62:d502889e74f1 685 _confirmed_packet_number++;
tnhnrl 62:d502889e74f1 686 }
tnhnrl 62:d502889e74f1 687
tnhnrl 62:d502889e74f1 688 // check if the packet that you're receiving (receive_packet_number) has been received already...
tnhnrl 62:d502889e74f1 689
tnhnrl 62:d502889e74f1 690 //CHECKSUM CORRECT & packet numbers that are 1 through N packets
tnhnrl 62:d502889e74f1 691 else if (receive_packet_number == _confirmed_packet_number){
tnhnrl 62:d502889e74f1 692 //save the data (char buffer) to the file if both checksums work...
tnhnrl 62:d502889e74f1 693
tnhnrl 62:d502889e74f1 694 // when a packet is received (successfully) send a reply
tnhnrl 62:d502889e74f1 695 sendReply();
tnhnrl 62:d502889e74f1 696
tnhnrl 62:d502889e74f1 697 // write correct data to file
tnhnrl 62:d502889e74f1 698 fprintf(_fp, "%s", char_buffer+5);
tnhnrl 62:d502889e74f1 699
tnhnrl 62:d502889e74f1 700 // even if correct CRC, counter prevents the program from writing the same packet twice
tnhnrl 62:d502889e74f1 701 _confirmed_packet_number++;
tnhnrl 62:d502889e74f1 702 }
tnhnrl 62:d502889e74f1 703
tnhnrl 62:d502889e74f1 704 //clear the variables
tnhnrl 62:d502889e74f1 705 checksum_one = -1;
tnhnrl 62:d502889e74f1 706 checksum_two = -1;
tnhnrl 62:d502889e74f1 707 }
tnhnrl 62:d502889e74f1 708
tnhnrl 62:d502889e74f1 709 process_state = HEADER_117;
tnhnrl 62:d502889e74f1 710
tnhnrl 62:d502889e74f1 711 break;
tnhnrl 62:d502889e74f1 712 }
tnhnrl 62:d502889e74f1 713
tnhnrl 62:d502889e74f1 714 //counter breaks out of the loop if no data received
tnhnrl 62:d502889e74f1 715 if (serial_timeout >= 10000) {
tnhnrl 62:d502889e74f1 716 //pc().printf("break serial_timeout %d\n\r", serial_timeout);
tnhnrl 62:d502889e74f1 717 break;
tnhnrl 62:d502889e74f1 718 }
tnhnrl 62:d502889e74f1 719 }
tnhnrl 62:d502889e74f1 720 break;
tnhnrl 62:d502889e74f1 721
tnhnrl 62:d502889e74f1 722 case END_TRANSMISSION:
tnhnrl 62:d502889e74f1 723 if (pc().getc() == 16) {
tnhnrl 62:d502889e74f1 724 pc().printf("DEBUG: END_TRANSMISSION REACHED: 1. \n\r");
tnhnrl 62:d502889e74f1 725
tnhnrl 62:d502889e74f1 726 if (pc().getc() == 16) {
tnhnrl 62:d502889e74f1 727 pc().printf("DEBUG: END_TRANSMISSION REACHED: 2. \n\r");
tnhnrl 62:d502889e74f1 728
tnhnrl 62:d502889e74f1 729 endReceiveData();
tnhnrl 62:d502889e74f1 730 }
tnhnrl 62:d502889e74f1 731 }
tnhnrl 62:d502889e74f1 732
tnhnrl 62:d502889e74f1 733 pc().printf("DEBUG: END_TRANSMISSION REACHED: 5. \n\r");
tnhnrl 62:d502889e74f1 734
tnhnrl 62:d502889e74f1 735 //process_state = HEADER_117; //don't do this unless the check is wrong
tnhnrl 62:d502889e74f1 736 pc().printf("END_TRANSMISSION process_state is %d\n\r", process_state); //should be 5 (debug) 02/06/2018
tnhnrl 62:d502889e74f1 737 data_transmission_complete = true;
tnhnrl 62:d502889e74f1 738 break;
tnhnrl 62:d502889e74f1 739 }//END OF SWITCH
tnhnrl 62:d502889e74f1 740
tnhnrl 62:d502889e74f1 741 if (data_transmission_complete) {
tnhnrl 62:d502889e74f1 742 pc().printf("DEBUG: checkForIncomingData data_transmission_complete \n\r");
tnhnrl 62:d502889e74f1 743 break; //out of while loop
tnhnrl 62:d502889e74f1 744 }
tnhnrl 62:d502889e74f1 745 } // while loop
tnhnrl 62:d502889e74f1 746
tnhnrl 62:d502889e74f1 747 led3() = !led3();
tnhnrl 62:d502889e74f1 748
tnhnrl 62:d502889e74f1 749 if (data_transmission_complete)
tnhnrl 62:d502889e74f1 750 return false; //tell state machine class that this is done (not transmitting, false)
tnhnrl 62:d502889e74f1 751 else {
tnhnrl 62:d502889e74f1 752 return true;
tnhnrl 62:d502889e74f1 753 }
tnhnrl 62:d502889e74f1 754 }
tnhnrl 62:d502889e74f1 755
tnhnrl 62:d502889e74f1 756 int MbedLogger::sendReply() {
tnhnrl 62:d502889e74f1 757 //being explicit in what's being transmitted
tnhnrl 62:d502889e74f1 758
tnhnrl 62:d502889e74f1 759 //change this method to be more explicit later
tnhnrl 62:d502889e74f1 760
tnhnrl 62:d502889e74f1 761 //integer vector _data_packet is used here, cleared fist just in case
tnhnrl 62:d502889e74f1 762
tnhnrl 62:d502889e74f1 763 _data_packet.clear(); //same data packet for transmission
tnhnrl 62:d502889e74f1 764 _data_packet.push_back(117);
tnhnrl 62:d502889e74f1 765 _data_packet.push_back(101);
tnhnrl 62:d502889e74f1 766
tnhnrl 62:d502889e74f1 767 //_confirmed_packet_number comes from the packet number that is sent from the Python program
tnhnrl 62:d502889e74f1 768 _data_packet.push_back(_confirmed_packet_number / 256); //packet number only changed when confirmed
tnhnrl 62:d502889e74f1 769 _data_packet.push_back(_confirmed_packet_number % 256); //split into first and second byte
tnhnrl 62:d502889e74f1 770
tnhnrl 62:d502889e74f1 771 //compute checksums
tnhnrl 62:d502889e74f1 772
tnhnrl 62:d502889e74f1 773 int receiver_crc_one = calcCrcOne();
tnhnrl 62:d502889e74f1 774 int receiver_crc_two = calcCrcTwo();
tnhnrl 62:d502889e74f1 775
tnhnrl 62:d502889e74f1 776 _data_packet.push_back(receiver_crc_one);
tnhnrl 62:d502889e74f1 777 _data_packet.push_back(receiver_crc_two);
tnhnrl 62:d502889e74f1 778
tnhnrl 62:d502889e74f1 779 //transmit this packet
tnhnrl 62:d502889e74f1 780 for (_it=_data_packet.begin(); _it < _data_packet.end(); _it++) {
tnhnrl 62:d502889e74f1 781 pc().putc(*_it); //send integers over serial port one byte at a time
tnhnrl 62:d502889e74f1 782 }
tnhnrl 62:d502889e74f1 783
tnhnrl 62:d502889e74f1 784 //change process methodology later...
tnhnrl 62:d502889e74f1 785
tnhnrl 62:d502889e74f1 786 return _confirmed_packet_number;
tnhnrl 62:d502889e74f1 787 }
tnhnrl 62:d502889e74f1 788
tnhnrl 62:d502889e74f1 789 void MbedLogger::endReceiveData() { //DLE character * 4 ==> 10 10 10 10
tnhnrl 62:d502889e74f1 790 closeLogFile(); //close the file here
tnhnrl 62:d502889e74f1 791 pc().printf("endReceiveData closed the file and ended transmission\n\r");
tnhnrl 62:d502889e74f1 792 }
tnhnrl 62:d502889e74f1 793
tnhnrl 62:d502889e74f1 794 //calculate the crc with an integer array
tnhnrl 62:d502889e74f1 795 int MbedLogger::calcCrcOneArray(int *input_array, int array_length) {
tnhnrl 62:d502889e74f1 796 //can't initialize the table in the constructor in c++
tnhnrl 62:d502889e74f1 797 int crc_table [256] = {0, 49345, 49537, 320, 49921, 960, 640, 49729, 50689, 1728, 1920, 51009, 1280, 50625, 50305, 1088, 52225, 3264, 3456, 52545, 3840, 53185, 52865, 3648, 2560, 51905, 52097, 2880, 51457, 2496, 2176, 51265, 55297, 6336, 6528, 55617, 6912, 56257, 55937, 6720, 7680, 57025, 57217, 8000, 56577, 7616, 7296, 56385, 5120, 54465, 54657, 5440, 55041, 6080, 5760, 54849, 53761, 4800, 4992, 54081, 4352, 53697, 53377, 4160, 61441, 12480, 12672, 61761, 13056, 62401, 62081, 12864, 13824, 63169, 63361, 14144, 62721, 13760, 13440, 62529, 15360, 64705, 64897, 15680, 65281, 16320, 16000, 65089, 64001, 15040, 15232, 64321, 14592, 63937, 63617, 14400, 10240, 59585, 59777, 10560, 60161, 11200, 10880, 59969, 60929, 11968, 12160, 61249, 11520, 60865, 60545, 11328, 58369, 9408, 9600, 58689, 9984, 59329, 59009, 9792, 8704, 58049, 58241, 9024, 57601, 8640, 8320, 57409, 40961, 24768, 24960, 41281, 25344, 41921, 41601, 25152, 26112, 42689, 42881, 26432, 42241, 26048, 25728, 42049, 27648, 44225, 44417, 27968, 44801, 28608, 28288, 44609, 43521, 27328, 27520, 43841, 26880, 43457, 43137, 26688, 30720, 47297, 47489, 31040, 47873, 31680, 31360, 47681, 48641, 32448, 32640, 48961, 32000, 48577, 48257, 31808, 46081, 29888, 30080, 46401, 30464, 47041, 46721, 30272, 29184, 45761, 45953, 29504, 45313, 29120, 28800, 45121, 20480, 37057, 37249, 20800, 37633, 21440, 21120, 37441, 38401, 22208, 22400, 38721, 21760, 38337, 38017, 21568, 39937, 23744, 23936, 40257, 24320, 40897, 40577, 24128, 23040, 39617, 39809, 23360, 39169, 22976, 22656, 38977, 34817, 18624, 18816, 35137, 19200, 35777, 35457, 19008, 19968, 36545, 36737, 20288, 36097, 19904, 19584, 35905, 17408, 33985, 34177, 17728, 34561, 18368, 18048, 34369, 33281, 17088, 17280, 33601, 16640, 33217, 32897, 16448};
tnhnrl 62:d502889e74f1 798 int crc = 0;
tnhnrl 62:d502889e74f1 799 for (int z = 0; z < array_length; z++) {
tnhnrl 62:d502889e74f1 800 crc = (crc_table[(input_array[z] ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF;
tnhnrl 62:d502889e74f1 801 }
tnhnrl 62:d502889e74f1 802 return crc / 256; //second-to-last byte
tnhnrl 62:d502889e74f1 803 }
tnhnrl 62:d502889e74f1 804
tnhnrl 62:d502889e74f1 805 int MbedLogger::calcCrcTwoArray(int *input_array, int array_length) {
tnhnrl 62:d502889e74f1 806 //can't initialize the table in the constructor in c++
tnhnrl 62:d502889e74f1 807 int crc_table [256] = {0, 49345, 49537, 320, 49921, 960, 640, 49729, 50689, 1728, 1920, 51009, 1280, 50625, 50305, 1088, 52225, 3264, 3456, 52545, 3840, 53185, 52865, 3648, 2560, 51905, 52097, 2880, 51457, 2496, 2176, 51265, 55297, 6336, 6528, 55617, 6912, 56257, 55937, 6720, 7680, 57025, 57217, 8000, 56577, 7616, 7296, 56385, 5120, 54465, 54657, 5440, 55041, 6080, 5760, 54849, 53761, 4800, 4992, 54081, 4352, 53697, 53377, 4160, 61441, 12480, 12672, 61761, 13056, 62401, 62081, 12864, 13824, 63169, 63361, 14144, 62721, 13760, 13440, 62529, 15360, 64705, 64897, 15680, 65281, 16320, 16000, 65089, 64001, 15040, 15232, 64321, 14592, 63937, 63617, 14400, 10240, 59585, 59777, 10560, 60161, 11200, 10880, 59969, 60929, 11968, 12160, 61249, 11520, 60865, 60545, 11328, 58369, 9408, 9600, 58689, 9984, 59329, 59009, 9792, 8704, 58049, 58241, 9024, 57601, 8640, 8320, 57409, 40961, 24768, 24960, 41281, 25344, 41921, 41601, 25152, 26112, 42689, 42881, 26432, 42241, 26048, 25728, 42049, 27648, 44225, 44417, 27968, 44801, 28608, 28288, 44609, 43521, 27328, 27520, 43841, 26880, 43457, 43137, 26688, 30720, 47297, 47489, 31040, 47873, 31680, 31360, 47681, 48641, 32448, 32640, 48961, 32000, 48577, 48257, 31808, 46081, 29888, 30080, 46401, 30464, 47041, 46721, 30272, 29184, 45761, 45953, 29504, 45313, 29120, 28800, 45121, 20480, 37057, 37249, 20800, 37633, 21440, 21120, 37441, 38401, 22208, 22400, 38721, 21760, 38337, 38017, 21568, 39937, 23744, 23936, 40257, 24320, 40897, 40577, 24128, 23040, 39617, 39809, 23360, 39169, 22976, 22656, 38977, 34817, 18624, 18816, 35137, 19200, 35777, 35457, 19008, 19968, 36545, 36737, 20288, 36097, 19904, 19584, 35905, 17408, 33985, 34177, 17728, 34561, 18368, 18048, 34369, 33281, 17088, 17280, 33601, 16640, 33217, 32897, 16448};
tnhnrl 62:d502889e74f1 808 int crc = 0;
tnhnrl 62:d502889e74f1 809 for (int z = 0; z < array_length; z++) {
tnhnrl 62:d502889e74f1 810 crc = (crc_table[(input_array[z] ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF;
tnhnrl 62:d502889e74f1 811 }
tnhnrl 62:d502889e74f1 812 return crc % 256; //second-to-last byte
tnhnrl 62:d502889e74f1 813 }
tnhnrl 62:d502889e74f1 814
tnhnrl 62:d502889e74f1 815 int MbedLogger::calcCrcOne() {
tnhnrl 62:d502889e74f1 816 //can't initialize the table in the constructor in c++
tnhnrl 62:d502889e74f1 817 int crc_table [256] = {0, 49345, 49537, 320, 49921, 960, 640, 49729, 50689, 1728, 1920, 51009, 1280, 50625, 50305, 1088, 52225, 3264, 3456, 52545, 3840, 53185, 52865, 3648, 2560, 51905, 52097, 2880, 51457, 2496, 2176, 51265, 55297, 6336, 6528, 55617, 6912, 56257, 55937, 6720, 7680, 57025, 57217, 8000, 56577, 7616, 7296, 56385, 5120, 54465, 54657, 5440, 55041, 6080, 5760, 54849, 53761, 4800, 4992, 54081, 4352, 53697, 53377, 4160, 61441, 12480, 12672, 61761, 13056, 62401, 62081, 12864, 13824, 63169, 63361, 14144, 62721, 13760, 13440, 62529, 15360, 64705, 64897, 15680, 65281, 16320, 16000, 65089, 64001, 15040, 15232, 64321, 14592, 63937, 63617, 14400, 10240, 59585, 59777, 10560, 60161, 11200, 10880, 59969, 60929, 11968, 12160, 61249, 11520, 60865, 60545, 11328, 58369, 9408, 9600, 58689, 9984, 59329, 59009, 9792, 8704, 58049, 58241, 9024, 57601, 8640, 8320, 57409, 40961, 24768, 24960, 41281, 25344, 41921, 41601, 25152, 26112, 42689, 42881, 26432, 42241, 26048, 25728, 42049, 27648, 44225, 44417, 27968, 44801, 28608, 28288, 44609, 43521, 27328, 27520, 43841, 26880, 43457, 43137, 26688, 30720, 47297, 47489, 31040, 47873, 31680, 31360, 47681, 48641, 32448, 32640, 48961, 32000, 48577, 48257, 31808, 46081, 29888, 30080, 46401, 30464, 47041, 46721, 30272, 29184, 45761, 45953, 29504, 45313, 29120, 28800, 45121, 20480, 37057, 37249, 20800, 37633, 21440, 21120, 37441, 38401, 22208, 22400, 38721, 21760, 38337, 38017, 21568, 39937, 23744, 23936, 40257, 24320, 40897, 40577, 24128, 23040, 39617, 39809, 23360, 39169, 22976, 22656, 38977, 34817, 18624, 18816, 35137, 19200, 35777, 35457, 19008, 19968, 36545, 36737, 20288, 36097, 19904, 19584, 35905, 17408, 33985, 34177, 17728, 34561, 18368, 18048, 34369, 33281, 17088, 17280, 33601, 16640, 33217, 32897, 16448};
tnhnrl 62:d502889e74f1 818
tnhnrl 62:d502889e74f1 819 int crc = 0;
tnhnrl 62:d502889e74f1 820 for (_it=_data_packet.begin(); _it < _data_packet.end(); _it++)
tnhnrl 62:d502889e74f1 821 crc = (crc_table[(*_it ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF;
tnhnrl 62:d502889e74f1 822
tnhnrl 62:d502889e74f1 823 return crc / 256; //second-to-last byte
tnhnrl 62:d502889e74f1 824 }
tnhnrl 62:d502889e74f1 825
tnhnrl 62:d502889e74f1 826 int MbedLogger::calcCrcTwo() {
tnhnrl 62:d502889e74f1 827 int crc_table [256] = {0, 49345, 49537, 320, 49921, 960, 640, 49729, 50689, 1728, 1920, 51009, 1280, 50625, 50305, 1088, 52225, 3264, 3456, 52545, 3840, 53185, 52865, 3648, 2560, 51905, 52097, 2880, 51457, 2496, 2176, 51265, 55297, 6336, 6528, 55617, 6912, 56257, 55937, 6720, 7680, 57025, 57217, 8000, 56577, 7616, 7296, 56385, 5120, 54465, 54657, 5440, 55041, 6080, 5760, 54849, 53761, 4800, 4992, 54081, 4352, 53697, 53377, 4160, 61441, 12480, 12672, 61761, 13056, 62401, 62081, 12864, 13824, 63169, 63361, 14144, 62721, 13760, 13440, 62529, 15360, 64705, 64897, 15680, 65281, 16320, 16000, 65089, 64001, 15040, 15232, 64321, 14592, 63937, 63617, 14400, 10240, 59585, 59777, 10560, 60161, 11200, 10880, 59969, 60929, 11968, 12160, 61249, 11520, 60865, 60545, 11328, 58369, 9408, 9600, 58689, 9984, 59329, 59009, 9792, 8704, 58049, 58241, 9024, 57601, 8640, 8320, 57409, 40961, 24768, 24960, 41281, 25344, 41921, 41601, 25152, 26112, 42689, 42881, 26432, 42241, 26048, 25728, 42049, 27648, 44225, 44417, 27968, 44801, 28608, 28288, 44609, 43521, 27328, 27520, 43841, 26880, 43457, 43137, 26688, 30720, 47297, 47489, 31040, 47873, 31680, 31360, 47681, 48641, 32448, 32640, 48961, 32000, 48577, 48257, 31808, 46081, 29888, 30080, 46401, 30464, 47041, 46721, 30272, 29184, 45761, 45953, 29504, 45313, 29120, 28800, 45121, 20480, 37057, 37249, 20800, 37633, 21440, 21120, 37441, 38401, 22208, 22400, 38721, 21760, 38337, 38017, 21568, 39937, 23744, 23936, 40257, 24320, 40897, 40577, 24128, 23040, 39617, 39809, 23360, 39169, 22976, 22656, 38977, 34817, 18624, 18816, 35137, 19200, 35777, 35457, 19008, 19968, 36545, 36737, 20288, 36097, 19904, 19584, 35905, 17408, 33985, 34177, 17728, 34561, 18368, 18048, 34369, 33281, 17088, 17280, 33601, 16640, 33217, 32897, 16448};
tnhnrl 62:d502889e74f1 828
tnhnrl 62:d502889e74f1 829 int crc = 0;
tnhnrl 62:d502889e74f1 830 for (_it=_data_packet.begin(); _it < _data_packet.end(); _it++)
tnhnrl 62:d502889e74f1 831 crc = (crc_table[(*_it ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF;
tnhnrl 62:d502889e74f1 832
tnhnrl 62:d502889e74f1 833 //pc().printf("DEBUG: calcCrcTwo string length: %d crc: %d\n\r", input_array.length(), crc % 256);
tnhnrl 62:d502889e74f1 834
tnhnrl 62:d502889e74f1 835 return crc % 256; //last byte
tnhnrl 62:d502889e74f1 836 }
tnhnrl 62:d502889e74f1 837
tnhnrl 62:d502889e74f1 838 void MbedLogger::resetReplyPacket() {
tnhnrl 62:d502889e74f1 839 _confirmed_packet_number = 0;
tnhnrl 62:d502889e74f1 840 }
tnhnrl 62:d502889e74f1 841
tnhnrl 62:d502889e74f1 842 void MbedLogger::openNewMissionFile() {
tnhnrl 62:d502889e74f1 843 pc().printf("Opening Mission file (sequence.txt) for reception.\n\r");
tnhnrl 62:d502889e74f1 844 string filename_string = _file_system_string + "sequence.txt";
tnhnrl 62:d502889e74f1 845
tnhnrl 62:d502889e74f1 846 pc().printf("openNewMissionFile: %s\n\r", filename_string.c_str());
tnhnrl 62:d502889e74f1 847
tnhnrl 62:d502889e74f1 848 _fp = fopen(filename_string.c_str(), "w");
tnhnrl 62:d502889e74f1 849 }
tnhnrl 62:d502889e74f1 850
tnhnrl 62:d502889e74f1 851 void MbedLogger::openReceiveFile(string filename) {
tnhnrl 62:d502889e74f1 852 string filename_string = _file_system_string + filename; //example "sequence.txt"
tnhnrl 62:d502889e74f1 853
tnhnrl 62:d502889e74f1 854 _fp = fopen(filename_string.c_str(), "w"); //open a file for writing
tnhnrl 62:d502889e74f1 855 }
tnhnrl 62:d502889e74f1 856
tnhnrl 62:d502889e74f1 857 void MbedLogger::setDataCounter(int input_counter) {
tnhnrl 62:d502889e74f1 858 _transmit_counter = input_counter;
tnhnrl 62:d502889e74f1 859 }
tnhnrl 62:d502889e74f1 860
tnhnrl 62:d502889e74f1 861 void MbedLogger::closeIncompleteFile() {
tnhnrl 62:d502889e74f1 862 fprintf(_fp, "TRANSMISSION INTERRUPTED!"); //write this warning to the file
tnhnrl 62:d502889e74f1 863 closeLogFile(); //close file
tnhnrl 62:d502889e74f1 864 }
tnhnrl 62:d502889e74f1 865
tnhnrl 62:d502889e74f1 866 void MbedLogger::appendLogFile(int current_state, int option) {
tnhnrl 62:d502889e74f1 867 //option one means write to file
tnhnrl 62:d502889e74f1 868
tnhnrl 62:d502889e74f1 869 if (option == 1) {
tnhnrl 62:d502889e74f1 870 if (!_fp) { //if not present
tnhnrl 62:d502889e74f1 871 _fp = fopen(_full_file_path_string.c_str(), "a");
tnhnrl 62:d502889e74f1 872 }
tnhnrl 62:d502889e74f1 873
tnhnrl 62:d502889e74f1 874 //record data using the recordData function (takes in the state integer)
tnhnrl 62:d502889e74f1 875 recordData(current_state);
tnhnrl 62:d502889e74f1 876 }
tnhnrl 62:d502889e74f1 877
tnhnrl 62:d502889e74f1 878 else {
tnhnrl 62:d502889e74f1 879 closeLogFile();
tnhnrl 62:d502889e74f1 880 }
tnhnrl 62:d502889e74f1 881 }
tnhnrl 62:d502889e74f1 882
tnhnrl 62:d502889e74f1 883 // initialize and close the file
tnhnrl 62:d502889e74f1 884 // log file freezes at 0x0000006c
tnhnrl 62:d502889e74f1 885 void MbedLogger::initializeLogFile() {
tnhnrl 62:d502889e74f1 886 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 887 pc().printf("%s file system init\n\r", _file_system_string.c_str());
tnhnrl 62:d502889e74f1 888
tnhnrl 62:d502889e74f1 889 //try to open this file...
tnhnrl 62:d502889e74f1 890 _fp = fopen(file_name_string.c_str(), "r");
tnhnrl 62:d502889e74f1 891
tnhnrl 62:d502889e74f1 892 //if the file is empty, create this.
tnhnrl 62:d502889e74f1 893 if (!_fp) {
tnhnrl 62:d502889e74f1 894 _fp = fopen(file_name_string.c_str(), "w"); //write,print,close
tnhnrl 67:c86a4b464682 895 //fprintf(_fp,"state_string,state_ID,timer,depth_cmd,depth_ft,pitch_cmd,pitch_deg,bce_cmd,bce_mm,batt_cmd,batt_mm,pitchRate_degs,depthRate_fps\nempty log file!\n");
tnhnrl 67:c86a4b464682 896 fprintf(_fp,_heading_string.c_str());
tnhnrl 62:d502889e74f1 897 closeLogFile();
tnhnrl 62:d502889e74f1 898 }
tnhnrl 62:d502889e74f1 899 else
tnhnrl 62:d502889e74f1 900 closeLogFile(); //close the opened read file
tnhnrl 62:d502889e74f1 901 }
tnhnrl 62:d502889e74f1 902
tnhnrl 62:d502889e74f1 903 int MbedLogger::fileTransmitState() {
tnhnrl 62:d502889e74f1 904 return _file_transmission_state;
tnhnrl 62:d502889e74f1 905 }
tnhnrl 62:d502889e74f1 906
tnhnrl 62:d502889e74f1 907 int MbedLogger::calcCrcOneString (string input_string) {
tnhnrl 62:d502889e74f1 908 int crc_table [256] = {0, 49345, 49537, 320, 49921, 960, 640, 49729, 50689, 1728, 1920, 51009, 1280, 50625, 50305, 1088, 52225, 3264, 3456, 52545, 3840, 53185, 52865, 3648, 2560, 51905, 52097, 2880, 51457, 2496, 2176, 51265, 55297, 6336, 6528, 55617, 6912, 56257, 55937, 6720, 7680, 57025, 57217, 8000, 56577, 7616, 7296, 56385, 5120, 54465, 54657, 5440, 55041, 6080, 5760, 54849, 53761, 4800, 4992, 54081, 4352, 53697, 53377, 4160, 61441, 12480, 12672, 61761, 13056, 62401, 62081, 12864, 13824, 63169, 63361, 14144, 62721, 13760, 13440, 62529, 15360, 64705, 64897, 15680, 65281, 16320, 16000, 65089, 64001, 15040, 15232, 64321, 14592, 63937, 63617, 14400, 10240, 59585, 59777, 10560, 60161, 11200, 10880, 59969, 60929, 11968, 12160, 61249, 11520, 60865, 60545, 11328, 58369, 9408, 9600, 58689, 9984, 59329, 59009, 9792, 8704, 58049, 58241, 9024, 57601, 8640, 8320, 57409, 40961, 24768, 24960, 41281, 25344, 41921, 41601, 25152, 26112, 42689, 42881, 26432, 42241, 26048, 25728, 42049, 27648, 44225, 44417, 27968, 44801, 28608, 28288, 44609, 43521, 27328, 27520, 43841, 26880, 43457, 43137, 26688, 30720, 47297, 47489, 31040, 47873, 31680, 31360, 47681, 48641, 32448, 32640, 48961, 32000, 48577, 48257, 31808, 46081, 29888, 30080, 46401, 30464, 47041, 46721, 30272, 29184, 45761, 45953, 29504, 45313, 29120, 28800, 45121, 20480, 37057, 37249, 20800, 37633, 21440, 21120, 37441, 38401, 22208, 22400, 38721, 21760, 38337, 38017, 21568, 39937, 23744, 23936, 40257, 24320, 40897, 40577, 24128, 23040, 39617, 39809, 23360, 39169, 22976, 22656, 38977, 34817, 18624, 18816, 35137, 19200, 35777, 35457, 19008, 19968, 36545, 36737, 20288, 36097, 19904, 19584, 35905, 17408, 33985, 34177, 17728, 34561, 18368, 18048, 34369, 33281, 17088, 17280, 33601, 16640, 33217, 32897, 16448};
tnhnrl 62:d502889e74f1 909
tnhnrl 62:d502889e74f1 910 int crc = 0;
tnhnrl 62:d502889e74f1 911 for (unsigned int i = 0; i < input_string.length(); i++) {
tnhnrl 62:d502889e74f1 912 //convert each character to an integer
tnhnrl 62:d502889e74f1 913 int character_to_integer = input_string[i]; //correct
tnhnrl 62:d502889e74f1 914
tnhnrl 62:d502889e74f1 915 crc = (crc_table[(character_to_integer ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF;
tnhnrl 62:d502889e74f1 916 }
tnhnrl 62:d502889e74f1 917
tnhnrl 62:d502889e74f1 918 //pc().printf("DEBUG: calcCrcOne string length: %d crc: %d\n\r", input_string.length(), crc/256);
tnhnrl 62:d502889e74f1 919
tnhnrl 62:d502889e74f1 920 return crc / 256; //second-to-last byte
tnhnrl 62:d502889e74f1 921 }
tnhnrl 62:d502889e74f1 922
tnhnrl 62:d502889e74f1 923 int MbedLogger::calcCrcTwoString (string input_string) {
tnhnrl 62:d502889e74f1 924 int crc_table [256] = {0, 49345, 49537, 320, 49921, 960, 640, 49729, 50689, 1728, 1920, 51009, 1280, 50625, 50305, 1088, 52225, 3264, 3456, 52545, 3840, 53185, 52865, 3648, 2560, 51905, 52097, 2880, 51457, 2496, 2176, 51265, 55297, 6336, 6528, 55617, 6912, 56257, 55937, 6720, 7680, 57025, 57217, 8000, 56577, 7616, 7296, 56385, 5120, 54465, 54657, 5440, 55041, 6080, 5760, 54849, 53761, 4800, 4992, 54081, 4352, 53697, 53377, 4160, 61441, 12480, 12672, 61761, 13056, 62401, 62081, 12864, 13824, 63169, 63361, 14144, 62721, 13760, 13440, 62529, 15360, 64705, 64897, 15680, 65281, 16320, 16000, 65089, 64001, 15040, 15232, 64321, 14592, 63937, 63617, 14400, 10240, 59585, 59777, 10560, 60161, 11200, 10880, 59969, 60929, 11968, 12160, 61249, 11520, 60865, 60545, 11328, 58369, 9408, 9600, 58689, 9984, 59329, 59009, 9792, 8704, 58049, 58241, 9024, 57601, 8640, 8320, 57409, 40961, 24768, 24960, 41281, 25344, 41921, 41601, 25152, 26112, 42689, 42881, 26432, 42241, 26048, 25728, 42049, 27648, 44225, 44417, 27968, 44801, 28608, 28288, 44609, 43521, 27328, 27520, 43841, 26880, 43457, 43137, 26688, 30720, 47297, 47489, 31040, 47873, 31680, 31360, 47681, 48641, 32448, 32640, 48961, 32000, 48577, 48257, 31808, 46081, 29888, 30080, 46401, 30464, 47041, 46721, 30272, 29184, 45761, 45953, 29504, 45313, 29120, 28800, 45121, 20480, 37057, 37249, 20800, 37633, 21440, 21120, 37441, 38401, 22208, 22400, 38721, 21760, 38337, 38017, 21568, 39937, 23744, 23936, 40257, 24320, 40897, 40577, 24128, 23040, 39617, 39809, 23360, 39169, 22976, 22656, 38977, 34817, 18624, 18816, 35137, 19200, 35777, 35457, 19008, 19968, 36545, 36737, 20288, 36097, 19904, 19584, 35905, 17408, 33985, 34177, 17728, 34561, 18368, 18048, 34369, 33281, 17088, 17280, 33601, 16640, 33217, 32897, 16448};
tnhnrl 62:d502889e74f1 925
tnhnrl 62:d502889e74f1 926 int crc = 0;
tnhnrl 62:d502889e74f1 927 for (unsigned int i = 0; i < input_string.length(); i++) {
tnhnrl 62:d502889e74f1 928 //convert each character to an integer
tnhnrl 62:d502889e74f1 929 int character_to_integer = input_string[i]; //correct
tnhnrl 62:d502889e74f1 930
tnhnrl 62:d502889e74f1 931 crc = (crc_table[(character_to_integer ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF;
tnhnrl 62:d502889e74f1 932 }
tnhnrl 62:d502889e74f1 933
tnhnrl 62:d502889e74f1 934 //pc().printf("DEBUG: calcCrcTwo string length: %d crc: %d\n\r", input_string.length(), crc % 256);
tnhnrl 62:d502889e74f1 935
tnhnrl 62:d502889e74f1 936 return crc % 256; //last byte
tnhnrl 62:d502889e74f1 937 }
tnhnrl 62:d502889e74f1 938
tnhnrl 67:c86a4b464682 939 //delete
tnhnrl 67:c86a4b464682 940 //int MbedLogger::testGetFileSize() {
tnhnrl 67:c86a4b464682 941 // string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 67:c86a4b464682 942 //
tnhnrl 67:c86a4b464682 943 // _fp = fopen(file_name_string.c_str(), "rb"); //open the file for reading as a binary file
tnhnrl 67:c86a4b464682 944 //
tnhnrl 67:c86a4b464682 945 // fseek(_fp, 0, SEEK_END); //SEEK_END is a constant in cstdio (end of the file)
tnhnrl 67:c86a4b464682 946 // unsigned int file_size = ftell(_fp); //For binary streams, this is the number of bytes from the beginning of the file.
tnhnrl 67:c86a4b464682 947 // fseek(_fp, 0, SEEK_SET); //SEEK_SET is hte beginning of the file, not sure this is necessary
tnhnrl 67:c86a4b464682 948 //
tnhnrl 67:c86a4b464682 949 // closeLogFile(); //can probably just close the file pointer and not worry about position
tnhnrl 67:c86a4b464682 950 //
tnhnrl 67:c86a4b464682 951 // pc().printf("(%s) LOG000.csv file size is %d\n\r", _file_system_string.c_str(), file_size);
tnhnrl 67:c86a4b464682 952 //
tnhnrl 67:c86a4b464682 953 // if (file_size == 0)
tnhnrl 67:c86a4b464682 954 // createEmptyLog(); //this is not actually a completely empty log
tnhnrl 67:c86a4b464682 955 //
tnhnrl 67:c86a4b464682 956 // return file_size;
tnhnrl 67:c86a4b464682 957 //
tnhnrl 67:c86a4b464682 958 // // http://www.cplusplus.com/reference/cstdio/ftell/
tnhnrl 67:c86a4b464682 959 // // https://os.mbed.com/questions/1260/How-to-read-the-LocalFileSystem-filesize/
tnhnrl 67:c86a4b464682 960 //}
tnhnrl 67:c86a4b464682 961 //delete
tnhnrl 62:d502889e74f1 962
tnhnrl 62:d502889e74f1 963 void MbedLogger::createEmptyLog() {
tnhnrl 62:d502889e74f1 964 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 67:c86a4b464682 965 string empty_log = "EMPTY LOG";
tnhnrl 62:d502889e74f1 966
tnhnrl 62:d502889e74f1 967 _fp = fopen(file_name_string.c_str(), "w");
tnhnrl 67:c86a4b464682 968
tnhnrl 67:c86a4b464682 969 fprintf(_fp, "%.25s\n",empty_log.c_str()); //just write this string to the log (processing needs a file size that is not zero)
tnhnrl 62:d502889e74f1 970 closeLogFile();
tnhnrl 62:d502889e74f1 971 }
tnhnrl 62:d502889e74f1 972
tnhnrl 62:d502889e74f1 973 int MbedLogger::getFileSize(string filename) {
tnhnrl 62:d502889e74f1 974 // fixed the const char * errror:
tnhnrl 62:d502889e74f1 975 // https://stackoverflow.com/questions/347949/how-to-convert-a-stdstring-to-const-char-or-char
tnhnrl 62:d502889e74f1 976 const char * char_filename = filename.c_str(); // Returns a pointer to an array that contains a null-terminated sequence of characters (i.e., a C-string) representing the current value of the string object.
tnhnrl 62:d502889e74f1 977 //http://www.cplusplus.com/reference/string/string/c_str/
tnhnrl 62:d502889e74f1 978
tnhnrl 62:d502889e74f1 979 _fp = fopen(filename.c_str(), "rb"); //open the file for reading as a binary file
tnhnrl 62:d502889e74f1 980
tnhnrl 62:d502889e74f1 981 fseek(_fp, 0, SEEK_END); //SEEK_END is a constant in cstdio (end of the file)
tnhnrl 62:d502889e74f1 982 unsigned int file_size = ftell(_fp); //For binary streams, this is the number of bytes from the beginning of the file.
tnhnrl 62:d502889e74f1 983 fseek(_fp, 0, SEEK_SET); //SEEK_SET is hte beginning of the file, not sure this is necessary
tnhnrl 62:d502889e74f1 984
tnhnrl 62:d502889e74f1 985 closeLogFile(); //can probably just close the file pointer and not worry about position
tnhnrl 62:d502889e74f1 986
tnhnrl 62:d502889e74f1 987 pc().printf("%s file size is %d\n\r", filename.c_str(), file_size);
tnhnrl 62:d502889e74f1 988
tnhnrl 62:d502889e74f1 989 return file_size;
tnhnrl 62:d502889e74f1 990 }
tnhnrl 62:d502889e74f1 991
tnhnrl 62:d502889e74f1 992 int MbedLogger::debugFileState() {
tnhnrl 62:d502889e74f1 993 pc().printf("What is _fp right now? %p\n\r", _fp); //pointer notation
tnhnrl 62:d502889e74f1 994
tnhnrl 62:d502889e74f1 995 if (_fp)
tnhnrl 62:d502889e74f1 996 return 1; //file pointer does exist
tnhnrl 62:d502889e74f1 997 else
tnhnrl 62:d502889e74f1 998 return 0; //file pointer does not exist
tnhnrl 62:d502889e74f1 999 }
tnhnrl 62:d502889e74f1 1000
tnhnrl 62:d502889e74f1 1001 void MbedLogger::specifyFileForTransmit(string input_string) {
tnhnrl 62:d502889e74f1 1002 pc().printf("specifyFileForTransmit\n\r");
tnhnrl 62:d502889e74f1 1003
tnhnrl 62:d502889e74f1 1004 string file_string = _file_system_string + input_string;
tnhnrl 62:d502889e74f1 1005
tnhnrl 62:d502889e74f1 1006 pc().printf("file_string is <%s>\n\r", file_string.c_str());
tnhnrl 62:d502889e74f1 1007
tnhnrl 62:d502889e74f1 1008 //open this file to read
tnhnrl 62:d502889e74f1 1009 _fp = fopen(file_string.c_str(), "r");
tnhnrl 62:d502889e74f1 1010
tnhnrl 62:d502889e74f1 1011 //transmit that file
tnhnrl 62:d502889e74f1 1012 //transmitDataWithTicker(); //replaced ticker
tnhnrl 62:d502889e74f1 1013
tnhnrl 62:d502889e74f1 1014 _file_transmission = true;
tnhnrl 62:d502889e74f1 1015 }
tnhnrl 62:d502889e74f1 1016
tnhnrl 62:d502889e74f1 1017 void MbedLogger::transmitFileFromDirectory( int file_number ) {
tnhnrl 62:d502889e74f1 1018 file_number = file_number + 1; //to get the correct number
tnhnrl 62:d502889e74f1 1019
tnhnrl 62:d502889e74f1 1020 DIR *dir;
tnhnrl 62:d502889e74f1 1021 struct dirent *dp; //dirent.h is the format of directory entries
tnhnrl 62:d502889e74f1 1022 int log_found =0, loop=1; //start file numbers at 1
tnhnrl 62:d502889e74f1 1023 long int temp=0;
tnhnrl 62:d502889e74f1 1024
tnhnrl 62:d502889e74f1 1025 // char * char_pointer;
tnhnrl 62:d502889e74f1 1026 // char * numstart, *numstop;
tnhnrl 62:d502889e74f1 1027
tnhnrl 62:d502889e74f1 1028 if ( NULL == (dir = opendir( _file_system_string.c_str() )) ) {
tnhnrl 62:d502889e74f1 1029 pc().printf("MBED directory could not be opened\r\n");
tnhnrl 62:d502889e74f1 1030 }
tnhnrl 62:d502889e74f1 1031 else
tnhnrl 62:d502889e74f1 1032 {
tnhnrl 62:d502889e74f1 1033 while ( NULL != (dp = readdir( dir )) )
tnhnrl 62:d502889e74f1 1034 {
tnhnrl 62:d502889e74f1 1035 pc().printf( "%d. %s (log file: %d, %d)\r\n", loop, dp->d_name,log_found,temp);
tnhnrl 62:d502889e74f1 1036
tnhnrl 62:d502889e74f1 1037 //process current file if it matches the file number
tnhnrl 62:d502889e74f1 1038 if (file_number == loop) {
tnhnrl 62:d502889e74f1 1039 char * current_file_name = dp->d_name; //pointer to this char array
tnhnrl 62:d502889e74f1 1040
tnhnrl 62:d502889e74f1 1041 specifyFileForTransmit(current_file_name);
tnhnrl 62:d502889e74f1 1042
tnhnrl 62:d502889e74f1 1043 break;
tnhnrl 62:d502889e74f1 1044 }
tnhnrl 62:d502889e74f1 1045
tnhnrl 62:d502889e74f1 1046 loop++;
tnhnrl 62:d502889e74f1 1047 }
tnhnrl 62:d502889e74f1 1048 }
tnhnrl 62:d502889e74f1 1049 }
tnhnrl 62:d502889e74f1 1050
tnhnrl 62:d502889e74f1 1051 void MbedLogger::accessMbedDirectory() {
tnhnrl 62:d502889e74f1 1052 printMbedDirectory();
tnhnrl 62:d502889e74f1 1053
tnhnrl 62:d502889e74f1 1054 pc().printf("Type in the number of the file you want to transmit.\n\r");
tnhnrl 62:d502889e74f1 1055
tnhnrl 62:d502889e74f1 1056 char message[42];
tnhnrl 62:d502889e74f1 1057
tnhnrl 62:d502889e74f1 1058 pc().scanf("%41s", message);
tnhnrl 62:d502889e74f1 1059
tnhnrl 62:d502889e74f1 1060 pc().printf("Input received!\n\r");
tnhnrl 62:d502889e74f1 1061
tnhnrl 62:d502889e74f1 1062 //check if char array is an integer
tnhnrl 62:d502889e74f1 1063 char* conversion_pointer;
tnhnrl 62:d502889e74f1 1064 long converted = strtol(message, &conversion_pointer, 10);
tnhnrl 62:d502889e74f1 1065
tnhnrl 62:d502889e74f1 1066 if (*conversion_pointer) {
tnhnrl 62:d502889e74f1 1067 //conversion failed because the input was not a number
tnhnrl 62:d502889e74f1 1068 pc().printf("NOT A VALID FILE NUMBER!\n\r");
tnhnrl 62:d502889e74f1 1069 }
tnhnrl 62:d502889e74f1 1070 else {
tnhnrl 62:d502889e74f1 1071 //conversion worked!
tnhnrl 62:d502889e74f1 1072 pc().printf("You chose file number: %d\n\r", converted);
tnhnrl 62:d502889e74f1 1073
tnhnrl 62:d502889e74f1 1074 // transmit the file
tnhnrl 62:d502889e74f1 1075 transmitFileFromDirectory(converted);
tnhnrl 62:d502889e74f1 1076 }
tnhnrl 62:d502889e74f1 1077 }
tnhnrl 62:d502889e74f1 1078
tnhnrl 62:d502889e74f1 1079 void MbedLogger::closeLogFile() {
tnhnrl 62:d502889e74f1 1080 if (_fp == NULL){
tnhnrl 62:d502889e74f1 1081 pc().printf("MbedLogger: (%s) LOG FILE WAS ALREADY CLOSED!\n\r", _file_system_string.c_str());
tnhnrl 62:d502889e74f1 1082 }
tnhnrl 62:d502889e74f1 1083
tnhnrl 62:d502889e74f1 1084 else {
tnhnrl 62:d502889e74f1 1085 pc().printf("MbedLogger: (%s) CLOSING LOG FILE!\n\r", _file_system_string.c_str());
tnhnrl 62:d502889e74f1 1086
tnhnrl 62:d502889e74f1 1087 //close file
tnhnrl 62:d502889e74f1 1088 fclose(_fp);
tnhnrl 62:d502889e74f1 1089
tnhnrl 62:d502889e74f1 1090 _fp = NULL; //set pointer to zero
tnhnrl 62:d502889e74f1 1091 }
tnhnrl 62:d502889e74f1 1092 }
tnhnrl 62:d502889e74f1 1093
tnhnrl 62:d502889e74f1 1094 void MbedLogger::activateReceivePacket() {
tnhnrl 62:d502889e74f1 1095 _mbed_receive_loop = true;
tnhnrl 62:d502889e74f1 1096 }
tnhnrl 62:d502889e74f1 1097
tnhnrl 62:d502889e74f1 1098 void MbedLogger::receiveMissionDataWithFSM() {
tnhnrl 62:d502889e74f1 1099 led4() = !led4();
tnhnrl 62:d502889e74f1 1100
tnhnrl 62:d502889e74f1 1101 checkForIncomingData();
tnhnrl 62:d502889e74f1 1102
tnhnrl 62:d502889e74f1 1103 // Example: send reply 75 65 00 00
tnhnrl 62:d502889e74f1 1104 // Example: send reply 75 65 00 01
tnhnrl 62:d502889e74f1 1105 }
tnhnrl 62:d502889e74f1 1106
tnhnrl 62:d502889e74f1 1107 void MbedLogger::receiveMissionDataWithTicker() {
tnhnrl 62:d502889e74f1 1108 openNewMissionFile(); //sequence.txt file opened
tnhnrl 62:d502889e74f1 1109
tnhnrl 62:d502889e74f1 1110 _mbed_receive_ticker.attach(callback(this, &MbedLogger::activateReceivePacket), 0.5);
tnhnrl 62:d502889e74f1 1111
tnhnrl 62:d502889e74f1 1112 pc().printf("\n\r02/09/2018 MbedLogger receiveMissionData Beginning to receive sequence data...\n\r");
tnhnrl 62:d502889e74f1 1113
tnhnrl 62:d502889e74f1 1114 resetReplyPacket(); //reset the reply packet
tnhnrl 62:d502889e74f1 1115
tnhnrl 62:d502889e74f1 1116 //idea for stopping this if data not being received
tnhnrl 62:d502889e74f1 1117 int current_packet_number = 0;
tnhnrl 62:d502889e74f1 1118 int last_packet_number = -1;
tnhnrl 62:d502889e74f1 1119 int break_transmission = 0;
tnhnrl 62:d502889e74f1 1120
tnhnrl 62:d502889e74f1 1121 while(1) {
tnhnrl 62:d502889e74f1 1122 //runs at 10 hz
tnhnrl 62:d502889e74f1 1123 if (_mbed_receive_loop) {
tnhnrl 62:d502889e74f1 1124 if (!checkForIncomingData()) { // run this until it finishes
tnhnrl 62:d502889e74f1 1125 //when you complete data reception, this will become false
tnhnrl 62:d502889e74f1 1126 pc().printf("\n\rMbedLogger: Data RECEPTION complete.\n\r");
tnhnrl 62:d502889e74f1 1127 _mbed_receive_ticker.detach();
tnhnrl 62:d502889e74f1 1128 break;
tnhnrl 62:d502889e74f1 1129 }
tnhnrl 62:d502889e74f1 1130 else {
tnhnrl 62:d502889e74f1 1131
tnhnrl 62:d502889e74f1 1132 // SEND REPLY 75 65 00 00
tnhnrl 62:d502889e74f1 1133 // SEND REPLY 75 65 00 01
tnhnrl 62:d502889e74f1 1134
tnhnrl 62:d502889e74f1 1135 //check if you keep getting the same thing
tnhnrl 62:d502889e74f1 1136 current_packet_number = sendReply();
tnhnrl 62:d502889e74f1 1137
tnhnrl 62:d502889e74f1 1138 //pc().printf("DEBUG: current packet number %d (last packet number %d) \n\r", current_packet_number, last_packet_number); //debug
tnhnrl 62:d502889e74f1 1139
tnhnrl 62:d502889e74f1 1140 //let this count up a few times before it exits
tnhnrl 62:d502889e74f1 1141 if (current_packet_number == last_packet_number) {
tnhnrl 62:d502889e74f1 1142 break_transmission++;
tnhnrl 62:d502889e74f1 1143
tnhnrl 62:d502889e74f1 1144 //break transmission after 50 failed attempts (was 100)
tnhnrl 62:d502889e74f1 1145 if (break_transmission >= 50) {
tnhnrl 62:d502889e74f1 1146 closeIncompleteFile(); //close the file
tnhnrl 62:d502889e74f1 1147 _mbed_receive_ticker.detach();
tnhnrl 62:d502889e74f1 1148 pc().printf("MbedLogger: TRANSMISSION INTERRUPTED!\n\r");
tnhnrl 62:d502889e74f1 1149 break;
tnhnrl 62:d502889e74f1 1150 }
tnhnrl 62:d502889e74f1 1151 }
tnhnrl 62:d502889e74f1 1152 else
tnhnrl 62:d502889e74f1 1153 last_packet_number = current_packet_number;
tnhnrl 62:d502889e74f1 1154 }
tnhnrl 62:d502889e74f1 1155 _mbed_receive_loop = false; // wait until the loop rate timer fires again
tnhnrl 62:d502889e74f1 1156 }
tnhnrl 62:d502889e74f1 1157 }
tnhnrl 62:d502889e74f1 1158 }
tnhnrl 62:d502889e74f1 1159
tnhnrl 62:d502889e74f1 1160 int MbedLogger::getFilePointerState() {
tnhnrl 62:d502889e74f1 1161 if (_fp)
tnhnrl 62:d502889e74f1 1162 return 1; //file is not null (has an address), open
tnhnrl 62:d502889e74f1 1163 else
tnhnrl 62:d502889e74f1 1164 return 0; //file is null, closed
tnhnrl 62:d502889e74f1 1165 }
tnhnrl 62:d502889e74f1 1166
tnhnrl 62:d502889e74f1 1167 void MbedLogger::testToggleFilePointer() {
tnhnrl 62:d502889e74f1 1168 pc().printf("testToggleFilePointer\n\r");
tnhnrl 62:d502889e74f1 1169
tnhnrl 62:d502889e74f1 1170 string file_name_string = _file_system_string + "example99.txt";
tnhnrl 62:d502889e74f1 1171
tnhnrl 62:d502889e74f1 1172 if (_fp)
tnhnrl 62:d502889e74f1 1173 _fp = NULL;
tnhnrl 62:d502889e74f1 1174 else
tnhnrl 62:d502889e74f1 1175 _fp = fopen(file_name_string.c_str(), "w");
tnhnrl 62:d502889e74f1 1176 }
tnhnrl 62:d502889e74f1 1177
tnhnrl 62:d502889e74f1 1178 int MbedLogger::getNumberOfPackets() {
tnhnrl 62:d502889e74f1 1179 return _total_number_of_packets;
tnhnrl 62:d502889e74f1 1180 }
tnhnrl 62:d502889e74f1 1181
tnhnrl 62:d502889e74f1 1182 int MbedLogger::currentPacketNumber() {
tnhnrl 62:d502889e74f1 1183 return _packet_number;
tnhnrl 62:d502889e74f1 1184 }
tnhnrl 62:d502889e74f1 1185
tnhnrl 62:d502889e74f1 1186 //only do this for the MBED because of the limited file size
tnhnrl 62:d502889e74f1 1187 //write one line to the file (open to write, this will erase all other data) and close it.
tnhnrl 62:d502889e74f1 1188 void MbedLogger::eraseFile() {
tnhnrl 62:d502889e74f1 1189 _fp = fopen(_full_file_path_string.c_str(), "w"); // LOG000.csv
tnhnrl 62:d502889e74f1 1190
tnhnrl 67:c86a4b464682 1191 fprintf(_fp,_heading_string.c_str());
tnhnrl 67:c86a4b464682 1192
tnhnrl 67:c86a4b464682 1193 // _heading_string = "state_string,state_ID,timer,depth_cmd,depth_ft,pitch_cmd,pitch_deg,bce_cmd,bce_mm,batt_cmd,batt_mm,pitchRate_degs,depthRate_fps,sys_amps,sys_volts\n(file erased)"
tnhnrl 62:d502889e74f1 1194
tnhnrl 62:d502889e74f1 1195 closeLogFile();
tnhnrl 62:d502889e74f1 1196 }
tnhnrl 62:d502889e74f1 1197
tnhnrl 62:d502889e74f1 1198 void MbedLogger::intCreateDataPacket(int data_buffer[],int payload_length) {
tnhnrl 62:d502889e74f1 1199 // packet is 7565 0001 FFFF EEEE CC DATA DATA DATA ... CRC1 CRC2
tnhnrl 62:d502889e74f1 1200
tnhnrl 62:d502889e74f1 1201 //check here https://www.rapidtables.com/convert/number/hex-to-decimal.html?x=01c0
tnhnrl 62:d502889e74f1 1202 // ieee 754: http://www6.uniovi.es/~antonio/uned/ieee754/IEEE-754hex32.html
tnhnrl 62:d502889e74f1 1203
tnhnrl 62:d502889e74f1 1204 //CLEAR: Removes all elements from the vector (which are destroyed), leaving the container with a size of 0.
tnhnrl 62:d502889e74f1 1205 _data_packet.clear();
tnhnrl 62:d502889e74f1 1206
tnhnrl 62:d502889e74f1 1207 //DATA PACKET HEADER
tnhnrl 62:d502889e74f1 1208 _data_packet.push_back(117); //0x75
tnhnrl 62:d502889e74f1 1209 _data_packet.push_back(101); //0x65
tnhnrl 62:d502889e74f1 1210
tnhnrl 62:d502889e74f1 1211 _data_packet.push_back(_packet_number/256); //current packet number in 0x#### form
tnhnrl 62:d502889e74f1 1212 _data_packet.push_back(_packet_number%256); //current packet number in 0x#### form
tnhnrl 62:d502889e74f1 1213
tnhnrl 62:d502889e74f1 1214 _data_packet.push_back(_total_number_of_packets/256); //total number of packets, 0x#### form
tnhnrl 62:d502889e74f1 1215 _data_packet.push_back(_total_number_of_packets%256); //total number of packets, 0x#### form
tnhnrl 62:d502889e74f1 1216
tnhnrl 62:d502889e74f1 1217 _data_packet.push_back(_current_line_length);
tnhnrl 62:d502889e74f1 1218
tnhnrl 62:d502889e74f1 1219 //DATA FROM INTEGER ARRAY (read the array)
tnhnrl 62:d502889e74f1 1220 for (int i = 0; i < payload_length; i++) {
tnhnrl 62:d502889e74f1 1221 _data_packet.push_back(data_buffer[i]);
tnhnrl 62:d502889e74f1 1222 }
tnhnrl 62:d502889e74f1 1223
tnhnrl 62:d502889e74f1 1224 //CRC CALCULATIONS BELOW, character version of calculation screws up on null character 0x00, scrapped and using vector of integers
tnhnrl 62:d502889e74f1 1225 int crc_one = calcCrcOne();
tnhnrl 62:d502889e74f1 1226 int crc_two = calcCrcTwo();
tnhnrl 62:d502889e74f1 1227
tnhnrl 62:d502889e74f1 1228 //place the crc bytes into the data packet that is transmitted
tnhnrl 62:d502889e74f1 1229 _data_packet.push_back(crc_one);
tnhnrl 62:d502889e74f1 1230 _data_packet.push_back(crc_two);
tnhnrl 62:d502889e74f1 1231 }
tnhnrl 62:d502889e74f1 1232
tnhnrl 62:d502889e74f1 1233 void MbedLogger::sendStatus() {
tnhnrl 62:d502889e74f1 1234 led3() = !led3();
tnhnrl 62:d502889e74f1 1235 //readPacketInSeries() //uses this functionality
tnhnrl 62:d502889e74f1 1236
tnhnrl 62:d502889e74f1 1237 //get data depth, pitch, heading, timer
tnhnrl 62:d502889e74f1 1238
tnhnrl 62:d502889e74f1 1239 //store the data as a hex char array
tnhnrl 62:d502889e74f1 1240 char hex_char_depth[256];
tnhnrl 62:d502889e74f1 1241 char hex_char_pitch[256];
tnhnrl 62:d502889e74f1 1242 char hex_char_heading[256];
tnhnrl 62:d502889e74f1 1243 char hex_char_timer[256];
tnhnrl 62:d502889e74f1 1244
tnhnrl 62:d502889e74f1 1245 string string_hex_buffer = ""; //buffer to store the hex data as a string
tnhnrl 62:d502889e74f1 1246 string string_temp; // ELIMINATE THIS ASAP
tnhnrl 62:d502889e74f1 1247
tnhnrl 62:d502889e74f1 1248 float depth_value = depthLoop().getPosition();
tnhnrl 62:d502889e74f1 1249 float pitch_value = imu().getPitch();
tnhnrl 62:d502889e74f1 1250 float heading_value = imu().getHeading();
tnhnrl 63:6cb0405fc6e6 1251 //float timer_value = stateMachine().getTimer();
tnhnrl 63:6cb0405fc6e6 1252 float timer_value = 123.123;
tnhnrl 62:d502889e74f1 1253
tnhnrl 62:d502889e74f1 1254 sprintf(hex_char_depth, "%08X" , *(unsigned int*)&depth_value);
tnhnrl 62:d502889e74f1 1255 sprintf(hex_char_pitch, "%08X" , *(unsigned int*)&pitch_value);
tnhnrl 62:d502889e74f1 1256 sprintf(hex_char_heading, "%08X" , *(unsigned int*)&heading_value);
tnhnrl 62:d502889e74f1 1257 sprintf(hex_char_timer, "%08X" , *(unsigned int*)&timer_value);
tnhnrl 62:d502889e74f1 1258
tnhnrl 62:d502889e74f1 1259 //store the integer values
tnhnrl 62:d502889e74f1 1260 int hex_to_int[128];
tnhnrl 62:d502889e74f1 1261
tnhnrl 62:d502889e74f1 1262 //read through hex string and break apart into chunks and save the decimal values
tnhnrl 62:d502889e74f1 1263 int hex_counter = 0;
tnhnrl 62:d502889e74f1 1264
tnhnrl 62:d502889e74f1 1265 //////////////////////////
tnhnrl 62:d502889e74f1 1266 string_hex_buffer = hex_char_depth;
tnhnrl 62:d502889e74f1 1267
tnhnrl 62:d502889e74f1 1268 for (int i = 0; i < 8; i = i+2) {
tnhnrl 62:d502889e74f1 1269 //substring starts at x substr(x, length of substring)
tnhnrl 62:d502889e74f1 1270 string_temp = string_hex_buffer.substr(i,2); // get substring from string (converted from char array)
tnhnrl 62:d502889e74f1 1271
tnhnrl 62:d502889e74f1 1272 //convoluted, fix this!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tnhnrl 62:d502889e74f1 1273 // copying the contents of the string to char array
tnhnrl 62:d502889e74f1 1274 char temp_char_array[256];
tnhnrl 62:d502889e74f1 1275 strcpy(temp_char_array, string_temp.c_str());
tnhnrl 62:d502889e74f1 1276
tnhnrl 62:d502889e74f1 1277 //store char array hex value as decimal value
tnhnrl 62:d502889e74f1 1278 int decimal_value;
tnhnrl 62:d502889e74f1 1279 sscanf(temp_char_array,"%x",&decimal_value);
tnhnrl 62:d502889e74f1 1280
tnhnrl 62:d502889e74f1 1281 hex_to_int[hex_counter] = decimal_value;
tnhnrl 62:d502889e74f1 1282 hex_counter++; //iterate to keep up with for loop
tnhnrl 62:d502889e74f1 1283
tnhnrl 62:d502889e74f1 1284 //clear the string each time
tnhnrl 62:d502889e74f1 1285 //string_temp = "";
tnhnrl 62:d502889e74f1 1286 //cout << "string_temp CLEARED? is " << string_temp << endl;
tnhnrl 62:d502889e74f1 1287 //cout << "string_temp is " << string_temp << " and the value is " << decimal_value << endl;
tnhnrl 62:d502889e74f1 1288 }
tnhnrl 62:d502889e74f1 1289
tnhnrl 62:d502889e74f1 1290 string_hex_buffer = hex_char_pitch;
tnhnrl 62:d502889e74f1 1291
tnhnrl 62:d502889e74f1 1292 for (int i = 0; i < 8; i = i+2) {
tnhnrl 62:d502889e74f1 1293 //substring starts at x substr(x, length of substring)
tnhnrl 62:d502889e74f1 1294 string_temp = string_hex_buffer.substr(i,2);
tnhnrl 62:d502889e74f1 1295
tnhnrl 62:d502889e74f1 1296 //convoluted, fix this!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tnhnrl 62:d502889e74f1 1297 // copying the contents of the string to char array
tnhnrl 62:d502889e74f1 1298 char temp_char_array[256];
tnhnrl 62:d502889e74f1 1299 strcpy(temp_char_array, string_temp.c_str());
tnhnrl 62:d502889e74f1 1300
tnhnrl 62:d502889e74f1 1301 //store char array hex value as decimal value
tnhnrl 62:d502889e74f1 1302 int decimal_value;
tnhnrl 62:d502889e74f1 1303 sscanf(temp_char_array,"%x",&decimal_value);
tnhnrl 62:d502889e74f1 1304
tnhnrl 62:d502889e74f1 1305 hex_to_int[hex_counter] = decimal_value;
tnhnrl 62:d502889e74f1 1306 hex_counter++; //iterate to keep up with for loop
tnhnrl 62:d502889e74f1 1307
tnhnrl 62:d502889e74f1 1308 //clear the string each time
tnhnrl 62:d502889e74f1 1309 //string_temp = "";
tnhnrl 62:d502889e74f1 1310 //cout << "string_temp CLEARED? is " << string_temp << endl;
tnhnrl 62:d502889e74f1 1311 //cout << "string_temp is " << string_temp << " and the value is " << decimal_value << endl;
tnhnrl 62:d502889e74f1 1312 }
tnhnrl 62:d502889e74f1 1313
tnhnrl 62:d502889e74f1 1314 string_hex_buffer = hex_char_heading;
tnhnrl 62:d502889e74f1 1315
tnhnrl 62:d502889e74f1 1316 for (int i = 0; i < 8; i = i+2) {
tnhnrl 62:d502889e74f1 1317 //substring starts at x substr(x, length of substring)
tnhnrl 62:d502889e74f1 1318 string_temp = string_hex_buffer.substr(i,2);
tnhnrl 62:d502889e74f1 1319
tnhnrl 62:d502889e74f1 1320 //convoluted, fix this!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tnhnrl 62:d502889e74f1 1321 // copying the contents of the string to char array
tnhnrl 62:d502889e74f1 1322 char temp_char_array[256];
tnhnrl 62:d502889e74f1 1323 strcpy(temp_char_array, string_temp.c_str());
tnhnrl 62:d502889e74f1 1324
tnhnrl 62:d502889e74f1 1325 //store char array hex value as decimal value
tnhnrl 62:d502889e74f1 1326 int decimal_value;
tnhnrl 62:d502889e74f1 1327 sscanf(temp_char_array,"%x",&decimal_value);
tnhnrl 62:d502889e74f1 1328
tnhnrl 62:d502889e74f1 1329 hex_to_int[hex_counter] = decimal_value;
tnhnrl 62:d502889e74f1 1330 hex_counter++; //iterate to keep up with for loop
tnhnrl 62:d502889e74f1 1331
tnhnrl 62:d502889e74f1 1332 //clear the string each time
tnhnrl 62:d502889e74f1 1333 //string_temp = "";
tnhnrl 62:d502889e74f1 1334 //cout << "string_temp CLEARED? is " << string_temp << endl;
tnhnrl 62:d502889e74f1 1335 //cout << "string_temp is " << string_temp << " and the value is " << decimal_value << endl;
tnhnrl 62:d502889e74f1 1336 }
tnhnrl 62:d502889e74f1 1337
tnhnrl 62:d502889e74f1 1338 string_hex_buffer = hex_char_timer;
tnhnrl 62:d502889e74f1 1339
tnhnrl 62:d502889e74f1 1340 for (int i = 0; i < 8; i = i+2) {
tnhnrl 62:d502889e74f1 1341 //substring starts at x substr(x, length of substring)
tnhnrl 62:d502889e74f1 1342 string_temp = string_hex_buffer.substr(i,2);
tnhnrl 62:d502889e74f1 1343
tnhnrl 62:d502889e74f1 1344 //convoluted, fix this!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tnhnrl 62:d502889e74f1 1345 // copying the contents of the string to char array
tnhnrl 62:d502889e74f1 1346 char temp_char_array[256];
tnhnrl 62:d502889e74f1 1347 strcpy(temp_char_array, string_temp.c_str());
tnhnrl 62:d502889e74f1 1348
tnhnrl 62:d502889e74f1 1349 //store char array hex value as decimal value
tnhnrl 62:d502889e74f1 1350 int decimal_value;
tnhnrl 62:d502889e74f1 1351 sscanf(temp_char_array,"%x",&decimal_value);
tnhnrl 62:d502889e74f1 1352
tnhnrl 62:d502889e74f1 1353 hex_to_int[hex_counter] = decimal_value;
tnhnrl 62:d502889e74f1 1354 hex_counter++; //iterate to keep up with for loop
tnhnrl 62:d502889e74f1 1355
tnhnrl 62:d502889e74f1 1356 //clear the string each time
tnhnrl 62:d502889e74f1 1357 //string_temp = "";
tnhnrl 62:d502889e74f1 1358 //cout << "string_temp CLEARED? is " << string_temp << endl;
tnhnrl 62:d502889e74f1 1359 //cout << "string_temp is " << string_temp << " and the value is " << decimal_value << endl;
tnhnrl 62:d502889e74f1 1360 }
tnhnrl 62:d502889e74f1 1361 //////////////////////////
tnhnrl 62:d502889e74f1 1362
tnhnrl 62:d502889e74f1 1363 //create new packet based on int array
tnhnrl 62:d502889e74f1 1364 _packet_number = 1; // TEST, FIX THIS
tnhnrl 62:d502889e74f1 1365 _total_number_of_packets = 1;
tnhnrl 62:d502889e74f1 1366 _current_line_length = 16;
tnhnrl 62:d502889e74f1 1367
tnhnrl 62:d502889e74f1 1368 intCreateDataPacket(hex_to_int,16);
tnhnrl 62:d502889e74f1 1369
tnhnrl 62:d502889e74f1 1370
tnhnrl 62:d502889e74f1 1371 transmitDataPacket();
tnhnrl 63:6cb0405fc6e6 1372 }
tnhnrl 63:6cb0405fc6e6 1373
tnhnrl 63:6cb0405fc6e6 1374 int MbedLogger::getLogSize() {
tnhnrl 67:c86a4b464682 1375 return _log_file_line_counter; //number accurate after running getNumberOfPacketsInCurrentLog
tnhnrl 62:d502889e74f1 1376 }