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@73:f6f378311c8d, 2018-07-30 (annotated)

Committer:
tnhnrl
Date:
Mon Jul 30 16:48:48 2018 +0000
Revision:
73:f6f378311c8d
Parent:
72:250b2665755c
Child:
74:d281aaef9766
work in progress 7/30 12:48 pm

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 73:f6f378311c8d 20 //NEXT VERSION WILL ELIMINATE LENGTH REQUIREMENT
tnhnrl 73:f6f378311c8d 21 //_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_PSI\n";
tnhnrl 73:f6f378311c8d 22
tnhnrl 73:f6f378311c8d 23 //NEW ALTIMETER READINGS!
tnhnrl 73:f6f378311c8d 24
tnhnrl 73:f6f378311c8d 25 _heading_string = "state_string,state_number,timer_sec,depth_cmd,depth_ft,pitch_cmd,pitch_deg,rudder_cmd_deg,heading_deg,bce_cmd,bce_mm,batt_cmd,batt_mm,pitch_rate_degs,depth_rate_fps,system_amps,system_volts,altimeter_or_intPSI,BCE_p,i,d,BATT_p,i,d,DEPTH_p,i,d,PITCH_p,i,d\n";
tnhnrl 68:8f549749b8ce 26
tnhnrl 68:8f549749b8ce 27 _transmit_packet_num = 0;
tnhnrl 69:919ac8d7e023 28
tnhnrl 69:919ac8d7e023 29 _fsm_transmit_complete = false;
tnhnrl 73:f6f378311c8d 30
tnhnrl 73:f6f378311c8d 31 _end_transmit_packet = false;
tnhnrl 62:d502889e74f1 32 }
tnhnrl 62:d502889e74f1 33
tnhnrl 62:d502889e74f1 34 //this function has to be called for the time to function correctly
tnhnrl 62:d502889e74f1 35 void MbedLogger::setLogTime() {
tnhnrl 62:d502889e74f1 36 pc().printf("\n%s log time set.\n\r", _file_system_string.c_str());
tnhnrl 62:d502889e74f1 37 set_time(1518467832); // Set RTC time to Mon, 12 FEB 2018 15:37
tnhnrl 62:d502889e74f1 38 }
tnhnrl 62:d502889e74f1 39
tnhnrl 62:d502889e74f1 40 //in the future create the ability to set the start time
tnhnrl 62:d502889e74f1 41 int MbedLogger::getSystemTime() {
tnhnrl 62:d502889e74f1 42 time_t seconds = time(NULL); // Time as seconds since January 1, 1970
tnhnrl 62:d502889e74f1 43
tnhnrl 62:d502889e74f1 44 return seconds;
tnhnrl 62:d502889e74f1 45 }
tnhnrl 62:d502889e74f1 46
tnhnrl 62:d502889e74f1 47 void MbedLogger::recordData(int current_state) {
tnhnrl 62:d502889e74f1 48 int data_log_int = mbedLogger().getSystemTime(); //read the system timer to get unix timestamp
tnhnrl 73:f6f378311c8d 49
tnhnrl 62:d502889e74f1 50 _data_log[1] = depthLoop().getCommand(); //depth command
tnhnrl 73:f6f378311c8d 51 _data_log[2] = depthLoop().getPosition(); //depth reading (filtered depth)
tnhnrl 62:d502889e74f1 52 _data_log[3] = pitchLoop().getCommand(); //pitch command
tnhnrl 73:f6f378311c8d 53 _data_log[4] = pitchLoop().getPosition(); //pitch reading (filtered pitch)
tnhnrl 73:f6f378311c8d 54 _data_log[5] = rudder().getPosition_deg(); //rudder command
tnhnrl 73:f6f378311c8d 55 _data_log[6] = headingLoop().getPosition(); //heading reading (filtered heading)
tnhnrl 73:f6f378311c8d 56
tnhnrl 73:f6f378311c8d 57 _data_log[7] = bce().getSetPosition_mm(); //BCE command
tnhnrl 73:f6f378311c8d 58 _data_log[8] = bce().getPosition_mm(); //BCE reading
tnhnrl 73:f6f378311c8d 59 _data_log[9] = batt().getSetPosition_mm(); //Batt command
tnhnrl 73:f6f378311c8d 60 _data_log[10] = batt().getPosition_mm(); //Batt reading
tnhnrl 73:f6f378311c8d 61 _data_log[11] = pitchLoop().getVelocity(); // pitchRate_degs (degrees per second)
tnhnrl 73:f6f378311c8d 62 _data_log[12] = depthLoop().getVelocity(); // depthRate_fps (feet per second)
tnhnrl 62:d502889e74f1 63
tnhnrl 73:f6f378311c8d 64 _data_log[13] = sensors().getCurrentInput(); // i_in
tnhnrl 73:f6f378311c8d 65 _data_log[14] = sensors().getVoltageInput(); // v_in
tnhnrl 73:f6f378311c8d 66 _data_log[15] = sensors().getInternalPressurePSI(); // int_press_PSI
tnhnrl 73:f6f378311c8d 67
tnhnrl 73:f6f378311c8d 68 //BCE_p,i,d
tnhnrl 73:f6f378311c8d 69 _data_log[16] = bce().getControllerP();
tnhnrl 73:f6f378311c8d 70 _data_log[17] = bce().getControllerI();
tnhnrl 73:f6f378311c8d 71 _data_log[18] = bce().getControllerD();
tnhnrl 67:c86a4b464682 72
tnhnrl 73:f6f378311c8d 73 _data_log[19] = batt().getControllerP();
tnhnrl 73:f6f378311c8d 74 _data_log[20] = batt().getControllerI();
tnhnrl 73:f6f378311c8d 75 _data_log[21] = batt().getControllerD();
tnhnrl 67:c86a4b464682 76
tnhnrl 73:f6f378311c8d 77 _data_log[22] = depthLoop().getControllerP();
tnhnrl 73:f6f378311c8d 78 _data_log[23] = depthLoop().getControllerI();
tnhnrl 73:f6f378311c8d 79 _data_log[24] = depthLoop().getControllerD();
tnhnrl 67:c86a4b464682 80
tnhnrl 73:f6f378311c8d 81 _data_log[25] = pitchLoop().getControllerP();
tnhnrl 73:f6f378311c8d 82 _data_log[26] = pitchLoop().getControllerI();
tnhnrl 73:f6f378311c8d 83 _data_log[27] = pitchLoop().getControllerD();
tnhnrl 73:f6f378311c8d 84
tnhnrl 62:d502889e74f1 85 //check what the current state is and create that string
tnhnrl 62:d502889e74f1 86 string string_state;
tnhnrl 62:d502889e74f1 87 if (current_state == SIT_IDLE)
tnhnrl 62:d502889e74f1 88 string_state = "SIT_IDLE";
tnhnrl 62:d502889e74f1 89 else if (current_state == FIND_NEUTRAL)
tnhnrl 62:d502889e74f1 90 string_state = "FIND_NEUTRAL";
tnhnrl 62:d502889e74f1 91 else if (current_state == DIVE)
tnhnrl 62:d502889e74f1 92 string_state = "DIVE";
tnhnrl 62:d502889e74f1 93 else if (current_state == RISE)
tnhnrl 62:d502889e74f1 94 string_state = "RISE";
tnhnrl 62:d502889e74f1 95 else if (current_state == FLOAT_LEVEL)
tnhnrl 62:d502889e74f1 96 string_state = "FLOAT_LEVEL";
tnhnrl 62:d502889e74f1 97 else if (current_state == FLOAT_BROADCAST)
tnhnrl 62:d502889e74f1 98 string_state = "FLOAT_BROADCAST";
tnhnrl 62:d502889e74f1 99 else if (current_state == EMERGENCY_CLIMB)
tnhnrl 62:d502889e74f1 100 string_state = "EMERGENCY_CLIMB";
tnhnrl 62:d502889e74f1 101 else if (current_state == MULTI_DIVE)
tnhnrl 62:d502889e74f1 102 string_state = "MULTI_DIVE";
tnhnrl 62:d502889e74f1 103 else if (current_state == MULTI_RISE)
tnhnrl 62:d502889e74f1 104 string_state = "MULTI_RISE";
tnhnrl 62:d502889e74f1 105 else if (current_state == KEYBOARD)
tnhnrl 62:d502889e74f1 106 string_state = "KEYBOARD";
tnhnrl 62:d502889e74f1 107 else if (current_state == CHECK_TUNING)
tnhnrl 63:6cb0405fc6e6 108 string_state = "CHECK_TUNING";
tnhnrl 63:6cb0405fc6e6 109 else if (current_state == POSITION_DIVE)
tnhnrl 63:6cb0405fc6e6 110 string_state = "POSITION_DIVE";
tnhnrl 63:6cb0405fc6e6 111 else if (current_state == POSITION_RISE)
tnhnrl 69:919ac8d7e023 112 string_state = "POSITION_RISE";
tnhnrl 71:939d179478c4 113 else if (current_state == TX_MBED_LOG)
tnhnrl 71:939d179478c4 114 string_state = "TX_MBED_LOG";
tnhnrl 69:919ac8d7e023 115 else if (current_state == RECEIVE_SEQUENCE)
tnhnrl 69:919ac8d7e023 116 string_state = "RECEIVE_SEQUENCE";
tnhnrl 69:919ac8d7e023 117
tnhnrl 69:919ac8d7e023 118
tnhnrl 67:c86a4b464682 119 string blank_space = ""; //to get consistent spacing in the file
tnhnrl 62:d502889e74f1 120
tnhnrl 62:d502889e74f1 121 //record the string state, integer state, and then the data
tnhnrl 73:f6f378311c8d 122
tnhnrl 73:f6f378311c8d 123 //_heading_string is 254 characters long
tnhnrl 73:f6f378311c8d 124
tnhnrl 73:f6f378311c8d 125 //packet size is 254 characters long
tnhnrl 68:8f549749b8ce 126
tnhnrl 68:8f549749b8ce 127 //make function that checks length of header versus string below, add padding
tnhnrl 68:8f549749b8ce 128
tnhnrl 67:c86a4b464682 129 fprintf(_fp, "%16s,%.2d,",string_state.c_str(),current_state);
tnhnrl 73:f6f378311c8d 130 fprintf(_fp, "%11d,",data_log_int); //length 10 //right here
tnhnrl 73:f6f378311c8d 131 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,%6.3f,%6.2f,%6.1f,%5.3f,%5.3f,%5.3f,%5.3f,%5.3f,%5.3f,%5.3f,%5.3f,%5.3f,%5.3f,%5.3f,%5.3f%41s\n",_data_log[1],
tnhnrl 73:f6f378311c8d 132 _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],_data_log[14],_data_log[15],
tnhnrl 73:f6f378311c8d 133 _data_log[16],_data_log[17],_data_log[18],_data_log[19],_data_log[20],_data_log[21],_data_log[22],_data_log[23],_data_log[24],_data_log[25],_data_log[26],_data_log[27],blank_space.c_str());
tnhnrl 67:c86a4b464682 134
tnhnrl 67:c86a4b464682 135 //each line in the file is 160 characters long text-wise, check this with a file read
tnhnrl 62:d502889e74f1 136 }
tnhnrl 62:d502889e74f1 137
tnhnrl 62:d502889e74f1 138 void MbedLogger::printMbedDirectory() {
tnhnrl 62:d502889e74f1 139 DIR *dir;
tnhnrl 62:d502889e74f1 140 struct dirent *dp; //dirent.h is the format of directory entries
tnhnrl 62:d502889e74f1 141 int log_found =0,loop=0;
tnhnrl 62:d502889e74f1 142 long int temp=0;
tnhnrl 62:d502889e74f1 143
tnhnrl 62:d502889e74f1 144 //char * char_pointer;
tnhnrl 62:d502889e74f1 145 char * numstart;
tnhnrl 62:d502889e74f1 146 //char *numstop;
tnhnrl 62:d502889e74f1 147
tnhnrl 62:d502889e74f1 148 pc().printf("\n\rPrinting out the directory of device %s\n\r", _file_system_string.c_str());
tnhnrl 62:d502889e74f1 149
tnhnrl 62:d502889e74f1 150 if ( NULL == (dir = opendir( _file_system_string.c_str() )) ) {
tnhnrl 62:d502889e74f1 151 pc().printf("MBED directory could not be opened\r\n");
tnhnrl 62:d502889e74f1 152 }
tnhnrl 62:d502889e74f1 153 else
tnhnrl 62:d502889e74f1 154 {
tnhnrl 62:d502889e74f1 155 while ( NULL != (dp = readdir( dir )) )
tnhnrl 62:d502889e74f1 156 {
tnhnrl 62:d502889e74f1 157 if(strncmp(dp->d_name,"LOG",3)==0)
tnhnrl 62:d502889e74f1 158 {
tnhnrl 62:d502889e74f1 159 log_found=1;
tnhnrl 62:d502889e74f1 160 /*numstart = dp->d_name; //Look for third character (do safety)
tnhnrl 62:d502889e74f1 161 numstop = strchr(dp->d_name,'.');
tnhnrl 62:d502889e74f1 162 if(numstart!=NULL&&numstop!=NULL)
tnhnrl 62:d502889e74f1 163 {
tnhnrl 62:d502889e74f1 164 temp=numstop-numstart;
tnhnrl 62:d502889e74f1 165 }
tnhnrl 62:d502889e74f1 166 else
tnhnrl 62:d502889e74f1 167 log_found=0; //Something is not right. Ignore
tnhnrl 62:d502889e74f1 168 */
tnhnrl 62:d502889e74f1 169 numstart=dp->d_name+3;
tnhnrl 62:d502889e74f1 170 temp=strtol(numstart,NULL,10); //add in check to see if this is null (start logs at one)
tnhnrl 62:d502889e74f1 171 }
tnhnrl 62:d502889e74f1 172 else
tnhnrl 62:d502889e74f1 173 log_found=0;
tnhnrl 62:d502889e74f1 174 pc().printf( "%d. %s (log file: %d, %d)\r\n", loop, dp->d_name,log_found,temp);
tnhnrl 62:d502889e74f1 175
tnhnrl 62:d502889e74f1 176 loop++;
tnhnrl 62:d502889e74f1 177 }
tnhnrl 62:d502889e74f1 178 }
tnhnrl 62:d502889e74f1 179 }
tnhnrl 62:d502889e74f1 180
tnhnrl 68:8f549749b8ce 181 //prints current log file to the screen (terminal)
tnhnrl 62:d502889e74f1 182 void MbedLogger::printCurrentLogFile() {
tnhnrl 62:d502889e74f1 183 //open the file for reading
tnhnrl 62:d502889e74f1 184 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 185
tnhnrl 63:6cb0405fc6e6 186 _log_file_line_counter = 0;
tnhnrl 62:d502889e74f1 187
tnhnrl 62:d502889e74f1 188 _fp = fopen(file_name_string.c_str(), "r");
tnhnrl 62:d502889e74f1 189
tnhnrl 62:d502889e74f1 190 char buffer[500];
tnhnrl 62:d502889e74f1 191
tnhnrl 62:d502889e74f1 192 //read the file line-by-line and print that to the screen
tnhnrl 62:d502889e74f1 193 pc().printf("\n\rCURRENT MBED LOG FILE /local/Log%03d.csv:\n\n\r",_file_number);
tnhnrl 62:d502889e74f1 194 while (!feof(_fp)) {
tnhnrl 62:d502889e74f1 195 // read in the line and make sure it was successful
tnhnrl 62:d502889e74f1 196 if (fgets(buffer,500,_fp) != NULL) { //stops at new line
tnhnrl 62:d502889e74f1 197 pc().printf("%s\r",buffer);
tnhnrl 63:6cb0405fc6e6 198 _log_file_line_counter++;
tnhnrl 62:d502889e74f1 199 }
tnhnrl 62:d502889e74f1 200 }
tnhnrl 62:d502889e74f1 201
tnhnrl 62:d502889e74f1 202 //fgets stops when either (n-1) characters are read, the newline character is read,
tnhnrl 62:d502889e74f1 203 // or the end-of-file is reached
tnhnrl 62:d502889e74f1 204
tnhnrl 62:d502889e74f1 205 //close the file
tnhnrl 62:d502889e74f1 206 closeLogFile();
tnhnrl 63:6cb0405fc6e6 207 pc().printf("\n\rLog file closed. Lines in log file: %d.\n\r", _log_file_line_counter);
tnhnrl 62:d502889e74f1 208 }
tnhnrl 62:d502889e74f1 209
tnhnrl 73:f6f378311c8d 210 void MbedLogger::blastData() {
tnhnrl 73:f6f378311c8d 211 pc().printf("blastData FUNCTION\n\r");
tnhnrl 73:f6f378311c8d 212
tnhnrl 73:f6f378311c8d 213 //OPEN FILE FOR READING
tnhnrl 73:f6f378311c8d 214
tnhnrl 73:f6f378311c8d 215 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 73:f6f378311c8d 216
tnhnrl 73:f6f378311c8d 217 _fp = fopen(file_name_string.c_str(), "r");
tnhnrl 73:f6f378311c8d 218
tnhnrl 73:f6f378311c8d 219 /******************************/
tnhnrl 73:f6f378311c8d 220 while(1) {
tnhnrl 73:f6f378311c8d 221 wait(0.05);
tnhnrl 73:f6f378311c8d 222 if (!feof(_fp)) { //check for end of file
tnhnrl 73:f6f378311c8d 223 //based on the internal packet number of the class //createDataPacket //transmit data packet
tnhnrl 73:f6f378311c8d 224 transmitPacketNumber(_packet_number);
tnhnrl 73:f6f378311c8d 225 pc().printf("\r"); // for proper spacing
tnhnrl 73:f6f378311c8d 226
tnhnrl 73:f6f378311c8d 227 _packet_number++;
tnhnrl 73:f6f378311c8d 228 }
tnhnrl 73:f6f378311c8d 229 else {
tnhnrl 73:f6f378311c8d 230 _packet_number = 0; //reset packet number
tnhnrl 73:f6f378311c8d 231 break;
tnhnrl 73:f6f378311c8d 232 }
tnhnrl 73:f6f378311c8d 233 }
tnhnrl 73:f6f378311c8d 234 /******************************/
tnhnrl 73:f6f378311c8d 235
tnhnrl 73:f6f378311c8d 236 //CLOSE THE FILE
tnhnrl 73:f6f378311c8d 237 closeLogFile();
tnhnrl 73:f6f378311c8d 238 pc().printf("\n\rblastData: Log file closed. %d.\n\r");
tnhnrl 73:f6f378311c8d 239 }
tnhnrl 73:f6f378311c8d 240
tnhnrl 62:d502889e74f1 241 void MbedLogger::openFileForTransmit() {
tnhnrl 62:d502889e74f1 242 pc().printf("\n\ropenFileForTransmit\n\r");
tnhnrl 62:d502889e74f1 243 //open the current file to read the contents
tnhnrl 62:d502889e74f1 244 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 245
tnhnrl 62:d502889e74f1 246 _fp = fopen(file_name_string.c_str(), "r");
tnhnrl 62:d502889e74f1 247
tnhnrl 62:d502889e74f1 248 _file_transmission = true;
tnhnrl 62:d502889e74f1 249 }
tnhnrl 62:d502889e74f1 250
tnhnrl 62:d502889e74f1 251 void MbedLogger::createDataPacket() {
tnhnrl 62:d502889e74f1 252 // packet is 7565 0001 FFFF EEEE CC DATA DATA DATA ... CRC1 CRC2
tnhnrl 62:d502889e74f1 253
tnhnrl 62:d502889e74f1 254 //CLEAR: Removes all elements from the vector (which are destroyed), leaving the container with a size of 0.
tnhnrl 62:d502889e74f1 255 _data_packet.clear();
tnhnrl 62:d502889e74f1 256
tnhnrl 62:d502889e74f1 257 //DATA PACKET HEADER
tnhnrl 62:d502889e74f1 258 _data_packet.push_back(117); //0x75
tnhnrl 62:d502889e74f1 259 _data_packet.push_back(101); //0x65
tnhnrl 62:d502889e74f1 260
tnhnrl 62:d502889e74f1 261 _data_packet.push_back(_packet_number/256); //current packet number in 0x#### form
tnhnrl 62:d502889e74f1 262 _data_packet.push_back(_packet_number%256); //current packet number in 0x#### form
tnhnrl 62:d502889e74f1 263
tnhnrl 62:d502889e74f1 264 _data_packet.push_back(_total_number_of_packets/256); //total number of packets, 0x#### form
tnhnrl 62:d502889e74f1 265 _data_packet.push_back(_total_number_of_packets%256); //total number of packets, 0x#### form
tnhnrl 62:d502889e74f1 266
tnhnrl 62:d502889e74f1 267 _data_packet.push_back(_current_line_length);
tnhnrl 62:d502889e74f1 268
tnhnrl 68:8f549749b8ce 269 //pc().printf("DEBUG: Current line buffer: %s\n\r", _line_buffer); //debug
tnhnrl 62:d502889e74f1 270
tnhnrl 62:d502889e74f1 271 //DATA FROM LINE READ (read string character by chracter)
tnhnrl 62:d502889e74f1 272 for (int i = 0; i < _current_line_length; i++) {
tnhnrl 62:d502889e74f1 273 _data_packet.push_back(_line_buffer[i]);
tnhnrl 62:d502889e74f1 274 }
tnhnrl 62:d502889e74f1 275
tnhnrl 62:d502889e74f1 276 //CRC CALCULATIONS BELOW
tnhnrl 62:d502889e74f1 277 //character version of calculation screws up on null character 0x00, scrapped and using vector of integers
tnhnrl 62:d502889e74f1 278
tnhnrl 62:d502889e74f1 279 int crc_one = calcCrcOne();
tnhnrl 62:d502889e74f1 280 int crc_two = calcCrcTwo();
tnhnrl 62:d502889e74f1 281
tnhnrl 62:d502889e74f1 282 //place the crc bytes into the data packet that is transmitted
tnhnrl 62:d502889e74f1 283 _data_packet.push_back(crc_one);
tnhnrl 62:d502889e74f1 284 _data_packet.push_back(crc_two);
tnhnrl 62:d502889e74f1 285 }
tnhnrl 62:d502889e74f1 286
tnhnrl 69:919ac8d7e023 287 //new 6/27/2018
tnhnrl 69:919ac8d7e023 288 void MbedLogger::createDataPacket(char line_buffer_sent[], int line_length_sent) {
tnhnrl 69:919ac8d7e023 289 // packet is 7565 0001 FFFF EEEE CC DATA DATA DATA ... CRC1 CRC2
tnhnrl 69:919ac8d7e023 290
tnhnrl 69:919ac8d7e023 291 //CLEAR: Removes all elements from the vector (which are destroyed), leaving the container with a size of 0.
tnhnrl 69:919ac8d7e023 292 _data_packet.clear();
tnhnrl 69:919ac8d7e023 293
tnhnrl 69:919ac8d7e023 294 //DATA PACKET HEADER
tnhnrl 69:919ac8d7e023 295 _data_packet.push_back(117); //0x75
tnhnrl 69:919ac8d7e023 296 _data_packet.push_back(101); //0x65
tnhnrl 69:919ac8d7e023 297
tnhnrl 69:919ac8d7e023 298 _data_packet.push_back(_packet_number/256); //current packet number in 0x#### form
tnhnrl 69:919ac8d7e023 299 _data_packet.push_back(_packet_number%256); //current packet number in 0x#### form
tnhnrl 69:919ac8d7e023 300
tnhnrl 69:919ac8d7e023 301 _data_packet.push_back(_total_number_of_packets/256); //total number of packets, 0x#### form
tnhnrl 69:919ac8d7e023 302 _data_packet.push_back(_total_number_of_packets%256); //total number of packets, 0x#### form
tnhnrl 69:919ac8d7e023 303
tnhnrl 69:919ac8d7e023 304 _data_packet.push_back(line_length_sent);
tnhnrl 69:919ac8d7e023 305
tnhnrl 69:919ac8d7e023 306 //pc().printf("DEBUG: Current line buffer: %s\n\r", _line_buffer); //debug
tnhnrl 69:919ac8d7e023 307
tnhnrl 69:919ac8d7e023 308 //DATA FROM LINE READ (read string character by chracter)
tnhnrl 69:919ac8d7e023 309 for (int i = 0; i < line_length_sent; i++) {
tnhnrl 69:919ac8d7e023 310 _data_packet.push_back(line_buffer_sent[i]);
tnhnrl 69:919ac8d7e023 311 }
tnhnrl 69:919ac8d7e023 312
tnhnrl 69:919ac8d7e023 313 //CRC CALCULATIONS BELOW
tnhnrl 69:919ac8d7e023 314 //character version of calculation screws up on null character 0x00, scrapped and using vector of integers
tnhnrl 69:919ac8d7e023 315
tnhnrl 69:919ac8d7e023 316 int crc_one = calcCrcOne();
tnhnrl 69:919ac8d7e023 317 int crc_two = calcCrcTwo();
tnhnrl 69:919ac8d7e023 318
tnhnrl 69:919ac8d7e023 319 //place the crc bytes into the data packet that is transmitted
tnhnrl 69:919ac8d7e023 320 _data_packet.push_back(crc_one);
tnhnrl 69:919ac8d7e023 321 _data_packet.push_back(crc_two);
tnhnrl 69:919ac8d7e023 322
tnhnrl 69:919ac8d7e023 323 //pc().printf("debug createDataPacket(char line_buffer_sent[], int line_length_sent)\n\r");
tnhnrl 69:919ac8d7e023 324 }
tnhnrl 69:919ac8d7e023 325
tnhnrl 62:d502889e74f1 326 //should i save it as a string and transmit the string? next iteration maybe
tnhnrl 62:d502889e74f1 327
tnhnrl 62:d502889e74f1 328 void MbedLogger::transmitDataPacket() {
tnhnrl 62:d502889e74f1 329 //WRITE the data (in bytes) to the serial port
tnhnrl 62:d502889e74f1 330 for (_it=_data_packet.begin(); _it < _data_packet.end(); _it++) {
tnhnrl 62:d502889e74f1 331 pc().putc(*_it); //send integers over serial port one byte at a time
tnhnrl 62:d502889e74f1 332 }
tnhnrl 62:d502889e74f1 333 }
tnhnrl 62:d502889e74f1 334
tnhnrl 62:d502889e74f1 335 // test to see if transmitDataPacket is working slower than you think.
tnhnrl 62:d502889e74f1 336
tnhnrl 62:d502889e74f1 337 // REACH ONE CHAR AT A TIME (EACH ITERATION OF STATE MACHINE...)
tnhnrl 62:d502889e74f1 338
tnhnrl 68:8f549749b8ce 339
tnhnrl 68:8f549749b8ce 340 void MbedLogger::continuouslyTransmitDataNoTimer() {
tnhnrl 68:8f549749b8ce 341 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 68:8f549749b8ce 342
tnhnrl 68:8f549749b8ce 343 _fp = fopen(file_name_string.c_str(), "r");
tnhnrl 68:8f549749b8ce 344
tnhnrl 68:8f549749b8ce 345 static int packet_num = 0;
tnhnrl 68:8f549749b8ce 346
tnhnrl 68:8f549749b8ce 347 while(!feof(_fp)) {
tnhnrl 68:8f549749b8ce 348
tnhnrl 68:8f549749b8ce 349 _packet_number = packet_num;
tnhnrl 68:8f549749b8ce 350
tnhnrl 68:8f549749b8ce 351 readPacketInSeries(); //not using this but for testing purposes...
tnhnrl 68:8f549749b8ce 352
tnhnrl 68:8f549749b8ce 353 // // createDataPacket requires _packet_number, _total_number_of_packets, _current_line_length (data packet size)
tnhnrl 68:8f549749b8ce 354 // // uses char _line_buffer[256] variable to hold characters read from the file
tnhnrl 69:919ac8d7e023 355 // // packs this into a vector for transmission
tnhnrl 69:919ac8d7e023 356
tnhnrl 68:8f549749b8ce 357 createDataPacket();
tnhnrl 68:8f549749b8ce 358
tnhnrl 68:8f549749b8ce 359 transmitDataPacket();
tnhnrl 68:8f549749b8ce 360
tnhnrl 68:8f549749b8ce 361 packet_num++;
tnhnrl 68:8f549749b8ce 362
tnhnrl 68:8f549749b8ce 363 led3() = !led3();
tnhnrl 68:8f549749b8ce 364
tnhnrl 68:8f549749b8ce 365 //check for incoming request
tnhnrl 68:8f549749b8ce 366 }
tnhnrl 68:8f549749b8ce 367
tnhnrl 68:8f549749b8ce 368 closeLogFile(); //close log file if open
tnhnrl 68:8f549749b8ce 369 led4() = !led4();
tnhnrl 68:8f549749b8ce 370 }
tnhnrl 68:8f549749b8ce 371
tnhnrl 73:f6f378311c8d 372 void MbedLogger::fsmTransmitData() { //using the finite state machine
tnhnrl 73:f6f378311c8d 373 if ( !feof(_fp) and (!_fsm_transmit_complete) ) { //check for end of file
tnhnrl 73:f6f378311c8d 374 //based on the internal packet number of the class //createDataPacket //transmit data packet
tnhnrl 69:919ac8d7e023 375 transmitPacketNumber(_packet_number);
tnhnrl 69:919ac8d7e023 376
tnhnrl 69:919ac8d7e023 377 pc().printf("\r"); // for proper spacing
tnhnrl 73:f6f378311c8d 378
tnhnrl 69:919ac8d7e023 379 _packet_number++;
tnhnrl 68:8f549749b8ce 380
tnhnrl 73:f6f378311c8d 381 led2() = !led2();
tnhnrl 68:8f549749b8ce 382 }
tnhnrl 69:919ac8d7e023 383 else {
tnhnrl 73:f6f378311c8d 384 _packet_number = 0; //reset packet number
tnhnrl 73:f6f378311c8d 385
tnhnrl 69:919ac8d7e023 386 _fsm_transmit_complete = true;
tnhnrl 73:f6f378311c8d 387
tnhnrl 73:f6f378311c8d 388 led3() = !led3();
tnhnrl 69:919ac8d7e023 389 }
tnhnrl 68:8f549749b8ce 390 }
tnhnrl 68:8f549749b8ce 391
tnhnrl 71:939d179478c4 392 //transmitting log file with fixed length of characters to receiver program
tnhnrl 68:8f549749b8ce 393 void MbedLogger::transmitPacketNumber(int line_number) {
tnhnrl 73:f6f378311c8d 394 int line_size = 254; //length of lines in the log file, EVERY LINE MUST BE THE SAME LENGTH
tnhnrl 69:919ac8d7e023 395
tnhnrl 68:8f549749b8ce 396 fseek(_fp,(line_size+1)*line_number,SEEK_SET); //fseek must use the +1 to get the newline character
tnhnrl 69:919ac8d7e023 397
tnhnrl 69:919ac8d7e023 398 //write over the internal _line_buffer //start from the beginning and go to this position
tnhnrl 69:919ac8d7e023 399 fread(_line_buffer, 1, line_size, _fp); //read the line that is exactly 160 characters long
tnhnrl 68:8f549749b8ce 400
tnhnrl 69:919ac8d7e023 401 //pc().printf("Debug (transmitPacketNumber): line_buffer <<%s>> (line size: %d)\n\r", line_buffer,line_size);
tnhnrl 68:8f549749b8ce 402
tnhnrl 68:8f549749b8ce 403 // createDataPacket requires _packet_number, _total_number_of_packets, _current_line_length (data packet size)
tnhnrl 68:8f549749b8ce 404 // uses char _line_buffer[256] variable to hold characters read from the file
tnhnrl 68:8f549749b8ce 405 // packs this into a vector for transmission
tnhnrl 68:8f549749b8ce 406
tnhnrl 71:939d179478c4 407 //change the internal member variable for packet number, reorg this later
tnhnrl 71:939d179478c4 408 _packet_number = line_number;
tnhnrl 71:939d179478c4 409
tnhnrl 69:919ac8d7e023 410 createDataPacket(_line_buffer, line_size); //create the data packet from the _line_buffer (char array)
tnhnrl 69:919ac8d7e023 411
tnhnrl 68:8f549749b8ce 412 transmitDataPacket(); //transmit the assembled packet
tnhnrl 68:8f549749b8ce 413 }
tnhnrl 68:8f549749b8ce 414
tnhnrl 69:919ac8d7e023 415
tnhnrl 69:919ac8d7e023 416 //receive correct data packet from python, immediately send a transmit packet from the MBED
tnhnrl 73:f6f378311c8d 417 void MbedLogger::transmitOnePacket() {
tnhnrl 73:f6f378311c8d 418 pc().printf("transmitOnePacket\n");
tnhnrl 73:f6f378311c8d 419
tnhnrl 68:8f549749b8ce 420 static int transmit_state = HEADER_117; //state in switch statement
tnhnrl 73:f6f378311c8d 421 //int incoming_byte = -1; //reset each time a character is read
tnhnrl 68:8f549749b8ce 422 int requested_packet_number = -1; //reset each time a character is read
tnhnrl 68:8f549749b8ce 423 static int input_packet[4]; //changed from char in previous iteration 03/28/2018
tnhnrl 68:8f549749b8ce 424 static int transmit_crc_one = 0; //hold crc values until they're reset with calculations
tnhnrl 68:8f549749b8ce 425 static int transmit_crc_two = 0;
tnhnrl 73:f6f378311c8d 426
tnhnrl 73:f6f378311c8d 427 int incoming_byte[6];
tnhnrl 73:f6f378311c8d 428
tnhnrl 73:f6f378311c8d 429 static int bytes_received = 0;
tnhnrl 73:f6f378311c8d 430
tnhnrl 73:f6f378311c8d 431 int req_packet_number = -1;
tnhnrl 68:8f549749b8ce 432
tnhnrl 73:f6f378311c8d 433 while (1) {
tnhnrl 73:f6f378311c8d 434 incoming_byte[bytes_received] = pc().getc();
tnhnrl 73:f6f378311c8d 435 pc().printf("<%d> ", incoming_byte[bytes_received]);
tnhnrl 68:8f549749b8ce 436
tnhnrl 73:f6f378311c8d 437 bytes_received++;
tnhnrl 73:f6f378311c8d 438
tnhnrl 73:f6f378311c8d 439 if (bytes_received > 5) {
tnhnrl 68:8f549749b8ce 440
tnhnrl 73:f6f378311c8d 441 req_packet_number = incoming_byte[2] * 256 + incoming_byte[3];
tnhnrl 68:8f549749b8ce 442
tnhnrl 73:f6f378311c8d 443 pc().printf("req_packet_number = %d\n\r", req_packet_number);
tnhnrl 68:8f549749b8ce 444
tnhnrl 73:f6f378311c8d 445 bytes_received = 0;
tnhnrl 68:8f549749b8ce 446 break;
tnhnrl 73:f6f378311c8d 447 }
tnhnrl 73:f6f378311c8d 448 }
tnhnrl 73:f6f378311c8d 449
tnhnrl 73:f6f378311c8d 450 setTransmitPacketNumber(0);
tnhnrl 73:f6f378311c8d 451
tnhnrl 73:f6f378311c8d 452 //open the file
tnhnrl 73:f6f378311c8d 453 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 73:f6f378311c8d 454 _fp = fopen(file_name_string.c_str(), "r");
tnhnrl 73:f6f378311c8d 455
tnhnrl 73:f6f378311c8d 456 //receive correct checksum, immediately send this packet
tnhnrl 73:f6f378311c8d 457 transmitPacketNumber(req_packet_number);
tnhnrl 73:f6f378311c8d 458
tnhnrl 73:f6f378311c8d 459 fclose(_fp);
tnhnrl 68:8f549749b8ce 460 }
tnhnrl 68:8f549749b8ce 461
tnhnrl 73:f6f378311c8d 462 void MbedLogger::transmitMultiplePackets() {
tnhnrl 73:f6f378311c8d 463 pc().printf("transmitMultiplePackets\n");
tnhnrl 73:f6f378311c8d 464
tnhnrl 62:d502889e74f1 465 static int transmit_state = HEADER_117; //state in switch statement
tnhnrl 73:f6f378311c8d 466 //int incoming_byte = -1; //reset each time a character is read
tnhnrl 62:d502889e74f1 467 int requested_packet_number = -1; //reset each time a character is read
tnhnrl 62:d502889e74f1 468 static int input_packet[4]; //changed from char in previous iteration 03/28/2018
tnhnrl 62:d502889e74f1 469 static int transmit_crc_one = 0; //hold crc values until they're reset with calculations
tnhnrl 62:d502889e74f1 470 static int transmit_crc_two = 0;
tnhnrl 62:d502889e74f1 471
tnhnrl 73:f6f378311c8d 472 int incoming_byte[6];
tnhnrl 62:d502889e74f1 473
tnhnrl 73:f6f378311c8d 474 static int bytes_received = 0;
tnhnrl 73:f6f378311c8d 475
tnhnrl 73:f6f378311c8d 476 int req_packet_number = -1;
tnhnrl 73:f6f378311c8d 477
tnhnrl 73:f6f378311c8d 478
tnhnrl 73:f6f378311c8d 479 //open the file
tnhnrl 73:f6f378311c8d 480 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 73:f6f378311c8d 481 _fp = fopen(file_name_string.c_str(), "r");
tnhnrl 73:f6f378311c8d 482
tnhnrl 73:f6f378311c8d 483 while (1) {
tnhnrl 73:f6f378311c8d 484 //INCOMING BYTE
tnhnrl 73:f6f378311c8d 485 incoming_byte[bytes_received] = pc().getc();
tnhnrl 73:f6f378311c8d 486 pc().printf("<%d> ", incoming_byte[bytes_received]);
tnhnrl 73:f6f378311c8d 487
tnhnrl 73:f6f378311c8d 488 //EXIT IF YOU RECEIVE...
tnhnrl 73:f6f378311c8d 489 if (incoming_byte[bytes_received] == 16) {
tnhnrl 73:f6f378311c8d 490 //quick and dirty
tnhnrl 73:f6f378311c8d 491 if (pc().getc() == 17) {
tnhnrl 73:f6f378311c8d 492 if (pc().getc() == 18) {
tnhnrl 73:f6f378311c8d 493 if (pc().getc() == 19) {
tnhnrl 73:f6f378311c8d 494 //exit if you get all of these packets hex 10 11 12 13, dec 16 17 18 19
tnhnrl 73:f6f378311c8d 495 pc().printf("END TRANSMISSION REQUEST RECEIVED!\n\r");
tnhnrl 73:f6f378311c8d 496 break;
tnhnrl 73:f6f378311c8d 497 }
tnhnrl 73:f6f378311c8d 498 }
tnhnrl 73:f6f378311c8d 499 }
tnhnrl 73:f6f378311c8d 500 }
tnhnrl 63:6cb0405fc6e6 501
tnhnrl 73:f6f378311c8d 502 bytes_received++;
tnhnrl 73:f6f378311c8d 503
tnhnrl 73:f6f378311c8d 504 if (bytes_received > 5) {
tnhnrl 73:f6f378311c8d 505
tnhnrl 73:f6f378311c8d 506 req_packet_number = incoming_byte[2] * 256 + incoming_byte[3];
tnhnrl 73:f6f378311c8d 507
tnhnrl 73:f6f378311c8d 508 pc().printf("req_packet_number = %d\n\r", req_packet_number);
tnhnrl 73:f6f378311c8d 509
tnhnrl 73:f6f378311c8d 510 //receive correct checksum, immediately send this packet
tnhnrl 73:f6f378311c8d 511 transmitPacketNumber(req_packet_number);
tnhnrl 73:f6f378311c8d 512
tnhnrl 73:f6f378311c8d 513
tnhnrl 73:f6f378311c8d 514 //reset bytes_received
tnhnrl 73:f6f378311c8d 515 bytes_received = 0;
tnhnrl 73:f6f378311c8d 516 }
tnhnrl 73:f6f378311c8d 517 }
tnhnrl 73:f6f378311c8d 518
tnhnrl 73:f6f378311c8d 519 //CLOSE THE FILE
tnhnrl 73:f6f378311c8d 520 fclose(_fp);
tnhnrl 73:f6f378311c8d 521 }
tnhnrl 73:f6f378311c8d 522
tnhnrl 73:f6f378311c8d 523 void MbedLogger::checkForPythonTransmitRequest() {
tnhnrl 73:f6f378311c8d 524 //pc().printf("checkForPythonTransmitRequest\n");
tnhnrl 73:f6f378311c8d 525
tnhnrl 73:f6f378311c8d 526 if ( pc().readable() ) {
tnhnrl 73:f6f378311c8d 527
tnhnrl 73:f6f378311c8d 528 //PC READABLE DOES NOT WORK HERE?!
tnhnrl 73:f6f378311c8d 529
tnhnrl 73:f6f378311c8d 530 led2() = !led2();
tnhnrl 63:6cb0405fc6e6 531 led3() = !led3();
tnhnrl 62:d502889e74f1 532
tnhnrl 73:f6f378311c8d 533 pc().printf("########################\n");
tnhnrl 73:f6f378311c8d 534 //pc().printf("%d", pc().getc());
tnhnrl 73:f6f378311c8d 535 }
tnhnrl 73:f6f378311c8d 536
tnhnrl 73:f6f378311c8d 537 // static int transmit_state = HEADER_117; //state in switch statement
tnhnrl 73:f6f378311c8d 538 // //int incoming_byte = -1; //reset each time a character is read
tnhnrl 73:f6f378311c8d 539 // int requested_packet_number = -1; //reset each time a character is read
tnhnrl 73:f6f378311c8d 540 // static int input_packet[4]; //changed from char in previous iteration 03/28/2018
tnhnrl 73:f6f378311c8d 541 // static int transmit_crc_one = 0; //hold crc values until they're reset with calculations
tnhnrl 73:f6f378311c8d 542 // static int transmit_crc_two = 0;
tnhnrl 73:f6f378311c8d 543 //
tnhnrl 73:f6f378311c8d 544 // static int incoming_byte[6];
tnhnrl 73:f6f378311c8d 545 //
tnhnrl 73:f6f378311c8d 546 // static int bytes_received = 0;
tnhnrl 73:f6f378311c8d 547 //
tnhnrl 73:f6f378311c8d 548 // int req_packet_number = -1;
tnhnrl 73:f6f378311c8d 549 //
tnhnrl 73:f6f378311c8d 550 // if (pc().readable()) {
tnhnrl 73:f6f378311c8d 551 // incoming_byte[bytes_received] = pc().getc();
tnhnrl 73:f6f378311c8d 552 // pc().printf("<%d> ", incoming_byte[bytes_received]);
tnhnrl 73:f6f378311c8d 553 //
tnhnrl 73:f6f378311c8d 554 // bytes_received++;
tnhnrl 73:f6f378311c8d 555 //
tnhnrl 73:f6f378311c8d 556 // if (bytes_received > 5) {
tnhnrl 73:f6f378311c8d 557 //
tnhnrl 73:f6f378311c8d 558 // req_packet_number = incoming_byte[2] * 256 + incoming_byte[3];
tnhnrl 73:f6f378311c8d 559 //
tnhnrl 73:f6f378311c8d 560 // pc().printf("req_packet_number = %d\n\r", req_packet_number);
tnhnrl 73:f6f378311c8d 561 //
tnhnrl 73:f6f378311c8d 562 // //reset
tnhnrl 73:f6f378311c8d 563 // bytes_received = 0;
tnhnrl 73:f6f378311c8d 564 // }
tnhnrl 73:f6f378311c8d 565 // }
tnhnrl 73:f6f378311c8d 566 //
tnhnrl 73:f6f378311c8d 567 // //setTransmitPacketNumber(0);
tnhnrl 73:f6f378311c8d 568 //
tnhnrl 73:f6f378311c8d 569 // /* OPEN THE FILE */
tnhnrl 73:f6f378311c8d 570 // string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 73:f6f378311c8d 571 //_fp = fopen(file_name_string.c_str(), "r");
tnhnrl 73:f6f378311c8d 572
tnhnrl 73:f6f378311c8d 573 /* RECEIVE CORRECT CHECKSUM, SEND PACKET */
tnhnrl 73:f6f378311c8d 574 //transmitPacketNumber(req_packet_number);
tnhnrl 73:f6f378311c8d 575
tnhnrl 73:f6f378311c8d 576 //fclose(_fp);
tnhnrl 73:f6f378311c8d 577
tnhnrl 73:f6f378311c8d 578 // switch(transmit_state) {
tnhnrl 73:f6f378311c8d 579 // case HEADER_117:
tnhnrl 73:f6f378311c8d 580 // led3() = !led3();
tnhnrl 73:f6f378311c8d 581 //
tnhnrl 73:f6f378311c8d 582 // //continue processing
tnhnrl 73:f6f378311c8d 583 // if (incoming_byte == 117){ //"u"
tnhnrl 73:f6f378311c8d 584 // transmit_state = HEADER_101;
tnhnrl 73:f6f378311c8d 585 // }
tnhnrl 73:f6f378311c8d 586 // //did not receive byte 1
tnhnrl 73:f6f378311c8d 587 // else {
tnhnrl 73:f6f378311c8d 588 // transmit_state = HEADER_117; //go back to checking the first packet
tnhnrl 73:f6f378311c8d 589 // }
tnhnrl 73:f6f378311c8d 590 // break;
tnhnrl 73:f6f378311c8d 591 //
tnhnrl 73:f6f378311c8d 592 // case HEADER_101:
tnhnrl 73:f6f378311c8d 593 // if(incoming_byte == 101) { //"e"
tnhnrl 73:f6f378311c8d 594 // transmit_state = TRANSMIT_PACKET_1;
tnhnrl 73:f6f378311c8d 595 // //pc().printf(" U E \n\r");
tnhnrl 73:f6f378311c8d 596 // }
tnhnrl 73:f6f378311c8d 597 // else {
tnhnrl 73:f6f378311c8d 598 // transmit_state = HEADER_117;
tnhnrl 73:f6f378311c8d 599 // }
tnhnrl 73:f6f378311c8d 600 // break;
tnhnrl 73:f6f378311c8d 601 //
tnhnrl 73:f6f378311c8d 602 // case TRANSMIT_PACKET_1:
tnhnrl 73:f6f378311c8d 603 // if (incoming_byte >= 0) {
tnhnrl 73:f6f378311c8d 604 // input_packet[0] = 117;
tnhnrl 73:f6f378311c8d 605 // input_packet[1] = 101;
tnhnrl 73:f6f378311c8d 606 // input_packet[2] = incoming_byte;
tnhnrl 73:f6f378311c8d 607 //
tnhnrl 73:f6f378311c8d 608 // transmit_state = TRANSMIT_PACKET_2;
tnhnrl 73:f6f378311c8d 609 // //_reply_byte3 = incoming_byte;
tnhnrl 73:f6f378311c8d 610 //
tnhnrl 73:f6f378311c8d 611 // led1() = !led1();
tnhnrl 73:f6f378311c8d 612 // //pc().printf(" T P \n\r");
tnhnrl 73:f6f378311c8d 613 // //pc().printf("DEBUG: Transmit Packet %d\n\r", incoming_byte);
tnhnrl 73:f6f378311c8d 614 // }
tnhnrl 73:f6f378311c8d 615 // break;
tnhnrl 73:f6f378311c8d 616 //
tnhnrl 73:f6f378311c8d 617 // case TRANSMIT_PACKET_2:
tnhnrl 73:f6f378311c8d 618 //
tnhnrl 73:f6f378311c8d 619 // if (incoming_byte >= 0) {
tnhnrl 73:f6f378311c8d 620 // input_packet[3] = incoming_byte;
tnhnrl 73:f6f378311c8d 621 // //_reply_byte4 = incoming_byte;
tnhnrl 73:f6f378311c8d 622 // }
tnhnrl 73:f6f378311c8d 623 // transmit_state = PACKET_CRC_ONE;
tnhnrl 73:f6f378311c8d 624 //
tnhnrl 73:f6f378311c8d 625 // break;
tnhnrl 73:f6f378311c8d 626 //
tnhnrl 73:f6f378311c8d 627 // case (PACKET_CRC_ONE):
tnhnrl 73:f6f378311c8d 628 // transmit_crc_one = calcCrcOneArray(input_packet, 4); //calc CRC 1 from the input packet (size 4)
tnhnrl 73:f6f378311c8d 629 //
tnhnrl 73:f6f378311c8d 630 // if (incoming_byte == transmit_crc_one) {
tnhnrl 73:f6f378311c8d 631 // transmit_state = PACKET_CRC_TWO;
tnhnrl 73:f6f378311c8d 632 // }
tnhnrl 73:f6f378311c8d 633 //
tnhnrl 73:f6f378311c8d 634 // else
tnhnrl 73:f6f378311c8d 635 // transmit_state = HEADER_117;
tnhnrl 73:f6f378311c8d 636 // //or state remains the same?
tnhnrl 73:f6f378311c8d 637 //
tnhnrl 73:f6f378311c8d 638 // break;
tnhnrl 73:f6f378311c8d 639 //
tnhnrl 73:f6f378311c8d 640 // case (PACKET_CRC_TWO):
tnhnrl 73:f6f378311c8d 641 // transmit_state = HEADER_117;
tnhnrl 73:f6f378311c8d 642 // transmit_crc_two = calcCrcTwoArray(input_packet, 4); //calc CRC 2 from the input packet (size 4)
tnhnrl 73:f6f378311c8d 643 //
tnhnrl 73:f6f378311c8d 644 // //check if CRC TWO is correct (then send full packet)
tnhnrl 73:f6f378311c8d 645 // if (incoming_byte == transmit_crc_two) {
tnhnrl 73:f6f378311c8d 646 // requested_packet_number = input_packet[2] * 256 + input_packet[3]; //compute the numbers 0 through 65535 with the two bytes
tnhnrl 73:f6f378311c8d 647 //
tnhnrl 73:f6f378311c8d 648 // //receive correct checksum, immediately send this packet
tnhnrl 73:f6f378311c8d 649 // transmitPacketNumber(requested_packet_number);
tnhnrl 73:f6f378311c8d 650 //
tnhnrl 73:f6f378311c8d 651 // //fseek(_fp, 0, SEEK_END); //reset _fp (this was causing errors with the other function)
tnhnrl 73:f6f378311c8d 652 // led3() = !led3();
tnhnrl 73:f6f378311c8d 653 //
tnhnrl 73:f6f378311c8d 654 // } //end of checksum (incoming_byte) if statement
tnhnrl 73:f6f378311c8d 655 //
tnhnrl 73:f6f378311c8d 656 // break;
tnhnrl 73:f6f378311c8d 657 // } //switch statement complete
tnhnrl 73:f6f378311c8d 658 // } //while statement complete
tnhnrl 62:d502889e74f1 659 }
tnhnrl 62:d502889e74f1 660
tnhnrl 62:d502889e74f1 661 int MbedLogger::readTransmitPacket() {
tnhnrl 62:d502889e74f1 662 _file_transmission = true;
tnhnrl 62:d502889e74f1 663 _file_transmission_state = 0;
tnhnrl 62:d502889e74f1 664
tnhnrl 62:d502889e74f1 665 //first check if you're receiving data, then read four bytes
tnhnrl 62:d502889e74f1 666
tnhnrl 62:d502889e74f1 667 int transmit_state = 0; //for state machine
tnhnrl 62:d502889e74f1 668
tnhnrl 62:d502889e74f1 669 int incoming_byte = -1;
tnhnrl 62:d502889e74f1 670
tnhnrl 62:d502889e74f1 671 int requested_packet_number = -1;
tnhnrl 62:d502889e74f1 672
tnhnrl 62:d502889e74f1 673 static int inside_while_loop = 1;
tnhnrl 62:d502889e74f1 674
tnhnrl 62:d502889e74f1 675 while (inside_while_loop) {
tnhnrl 62:d502889e74f1 676 if (pc().readable()) { //don't rely on pc readable being open all the time
tnhnrl 62:d502889e74f1 677
tnhnrl 62:d502889e74f1 678 incoming_byte = pc().getc();
tnhnrl 62:d502889e74f1 679
tnhnrl 62:d502889e74f1 680 switch(transmit_state) {
tnhnrl 62:d502889e74f1 681
tnhnrl 62:d502889e74f1 682 case (HEADER_117):
tnhnrl 62:d502889e74f1 683 //continue processing
tnhnrl 62:d502889e74f1 684 if (incoming_byte == 117){
tnhnrl 62:d502889e74f1 685 transmit_state = HEADER_101;
tnhnrl 62:d502889e74f1 686 }
tnhnrl 62:d502889e74f1 687 //end transmission
tnhnrl 62:d502889e74f1 688 else if (incoming_byte == 16) {
tnhnrl 62:d502889e74f1 689 transmit_state = END_TRANSMISSION;
tnhnrl 62:d502889e74f1 690 }
tnhnrl 62:d502889e74f1 691 else {
tnhnrl 62:d502889e74f1 692 transmit_state = HEADER_117;
tnhnrl 62:d502889e74f1 693 }
tnhnrl 62:d502889e74f1 694 break;
tnhnrl 62:d502889e74f1 695
tnhnrl 62:d502889e74f1 696 case (HEADER_101):
tnhnrl 62:d502889e74f1 697 if(incoming_byte == 101) {
tnhnrl 62:d502889e74f1 698 transmit_state = TRANSMIT_PACKET_1;
tnhnrl 62:d502889e74f1 699 }
tnhnrl 62:d502889e74f1 700 break;
tnhnrl 62:d502889e74f1 701
tnhnrl 62:d502889e74f1 702 case (TRANSMIT_PACKET_1):
tnhnrl 62:d502889e74f1 703 if (incoming_byte >= 0) {
tnhnrl 62:d502889e74f1 704 transmit_state = TRANSMIT_PACKET_2;
tnhnrl 62:d502889e74f1 705 _reply_byte3 = incoming_byte;
tnhnrl 62:d502889e74f1 706 }
tnhnrl 62:d502889e74f1 707 break;
tnhnrl 62:d502889e74f1 708
tnhnrl 62:d502889e74f1 709 case (TRANSMIT_PACKET_2):
tnhnrl 62:d502889e74f1 710 if (incoming_byte >= 0) {
tnhnrl 62:d502889e74f1 711 _reply_byte4 = incoming_byte;
tnhnrl 62:d502889e74f1 712 }
tnhnrl 62:d502889e74f1 713
tnhnrl 62:d502889e74f1 714 requested_packet_number = _reply_byte3 * 256 + _reply_byte4; //compute the numbers 0 through 65535 with the two bytes
tnhnrl 62:d502889e74f1 715
tnhnrl 62:d502889e74f1 716 if (requested_packet_number != _previous_reply_byte) { //CHANGE THE NAME TO SOMETHING NOT BYTE!
tnhnrl 62:d502889e74f1 717 //MUST SET THE PACKET NUMBER
tnhnrl 62:d502889e74f1 718 _packet_number = requested_packet_number;
tnhnrl 62:d502889e74f1 719
tnhnrl 62:d502889e74f1 720 readPacketInSeries();
tnhnrl 62:d502889e74f1 721 createDataPacket();
tnhnrl 62:d502889e74f1 722 _previous_reply_byte = requested_packet_number; //RECORD THIS BYTE to prevent new packets being created
tnhnrl 62:d502889e74f1 723 }
tnhnrl 62:d502889e74f1 724
tnhnrl 62:d502889e74f1 725 //continuously transmit current packet until it tells you to do the next packet (response from Python program)
tnhnrl 62:d502889e74f1 726 transmitDataPacket();
tnhnrl 62:d502889e74f1 727
tnhnrl 62:d502889e74f1 728 //TRANSMIT_PACKET_2
tnhnrl 62:d502889e74f1 729 inside_while_loop = 0; //exit the while loop with this
tnhnrl 62:d502889e74f1 730 pc().printf("(TRANSMIT_PACKET_2)reached inside_while_loop = 0\n\r"); //DEBUG
tnhnrl 62:d502889e74f1 731 break;
tnhnrl 62:d502889e74f1 732 } //end of switch statement
tnhnrl 62:d502889e74f1 733 } //end of while loop
tnhnrl 62:d502889e74f1 734
tnhnrl 62:d502889e74f1 735 // else {
tnhnrl 62:d502889e74f1 736 // //pc().printf("pc not readable \n\r");
tnhnrl 62:d502889e74f1 737 // }
tnhnrl 62:d502889e74f1 738 //
tnhnrl 62:d502889e74f1 739 }
tnhnrl 62:d502889e74f1 740
tnhnrl 62:d502889e74f1 741 //once you're outside of the while loop
tnhnrl 62:d502889e74f1 742 inside_while_loop = true; //for next iteration
tnhnrl 62:d502889e74f1 743
tnhnrl 62:d502889e74f1 744 pc().printf("DEBUG: (readTransmitPacket) Outside of while loop\n\r");
tnhnrl 62:d502889e74f1 745 return false;
tnhnrl 62:d502889e74f1 746 }
tnhnrl 62:d502889e74f1 747
tnhnrl 73:f6f378311c8d 748 bool MbedLogger::endTransmitPacket() {
tnhnrl 73:f6f378311c8d 749
tnhnrl 73:f6f378311c8d 750 int incoming_byte;
tnhnrl 73:f6f378311c8d 751
tnhnrl 73:f6f378311c8d 752 while (pc().readable()) {
tnhnrl 73:f6f378311c8d 753 incoming_byte = pc().getc(); //get first byte
tnhnrl 73:f6f378311c8d 754
tnhnrl 73:f6f378311c8d 755 if (incoming_byte == 16) {
tnhnrl 73:f6f378311c8d 756 incoming_byte = pc().getc(); //get second byte
tnhnrl 73:f6f378311c8d 757 return true;
tnhnrl 73:f6f378311c8d 758 }
tnhnrl 73:f6f378311c8d 759 //quick and dirty
tnhnrl 73:f6f378311c8d 760
tnhnrl 73:f6f378311c8d 761 }
tnhnrl 73:f6f378311c8d 762
tnhnrl 73:f6f378311c8d 763 return false;
tnhnrl 73:f6f378311c8d 764 }
tnhnrl 73:f6f378311c8d 765
tnhnrl 62:d502889e74f1 766 void MbedLogger::reOpenLineReader() {
tnhnrl 62:d502889e74f1 767 //open a new one
tnhnrl 62:d502889e74f1 768 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 769
tnhnrl 62:d502889e74f1 770 _fp = fopen(file_name_string.c_str(), "r"); //open the log file to read
tnhnrl 62:d502889e74f1 771
tnhnrl 62:d502889e74f1 772 //check if this actually worked...
tnhnrl 62:d502889e74f1 773 if (!_fp) {
tnhnrl 62:d502889e74f1 774 pc().printf("ERROR: Log file could not be opened\n\r");
tnhnrl 62:d502889e74f1 775 }
tnhnrl 62:d502889e74f1 776 else {
tnhnrl 62:d502889e74f1 777 pc().printf("Current Log file (LOG000.csv) was opened.\n\r");
tnhnrl 62:d502889e74f1 778 }
tnhnrl 62:d502889e74f1 779 }
tnhnrl 62:d502889e74f1 780
tnhnrl 62:d502889e74f1 781 bool MbedLogger::openLineReader() {
tnhnrl 62:d502889e74f1 782 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 783
tnhnrl 62:d502889e74f1 784 _fp = fopen(file_name_string.c_str(), "r"); //open the log file to read
tnhnrl 62:d502889e74f1 785
tnhnrl 62:d502889e74f1 786 //check if this actually worked...
tnhnrl 62:d502889e74f1 787 if (!_fp) {
tnhnrl 62:d502889e74f1 788 //pc().printf("ERROR: Log file could not be opened\n\r");
tnhnrl 62:d502889e74f1 789 return false;
tnhnrl 62:d502889e74f1 790 }
tnhnrl 62:d502889e74f1 791 else {
tnhnrl 62:d502889e74f1 792 //pc().printf("Current Log file (LOG000.csv) was opened.\n\r");
tnhnrl 62:d502889e74f1 793 return true;
tnhnrl 62:d502889e74f1 794 }
tnhnrl 62:d502889e74f1 795 }
tnhnrl 62:d502889e74f1 796
tnhnrl 62:d502889e74f1 797 //VERIFIED THIS IS WORKING
tnhnrl 62:d502889e74f1 798 void MbedLogger::readPacketInSeries(){
tnhnrl 62:d502889e74f1 799 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 800
tnhnrl 62:d502889e74f1 801 //read the current line in the file
tnhnrl 62:d502889e74f1 802 fgets(_line_buffer, 256, _fp); //reads the line of characters until you reach a newline character
tnhnrl 62:d502889e74f1 803
tnhnrl 62:d502889e74f1 804 //RECORD THE STRING LENGTH
tnhnrl 62:d502889e74f1 805 _current_line_length = strlen(_line_buffer);
tnhnrl 62:d502889e74f1 806 }
tnhnrl 62:d502889e74f1 807
tnhnrl 69:919ac8d7e023 808 int MbedLogger::getNumberOfPacketsInCurrentLog() {
tnhnrl 73:f6f378311c8d 809 //takes less than a second to complete, verified 7/24/2018
tnhnrl 73:f6f378311c8d 810
tnhnrl 73:f6f378311c8d 811 //open the file
tnhnrl 73:f6f378311c8d 812 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 73:f6f378311c8d 813 _fp = fopen(file_name_string.c_str(), "r");
tnhnrl 62:d502889e74f1 814
tnhnrl 73:f6f378311c8d 815 fseek(_fp, 0L, SEEK_END);
tnhnrl 73:f6f378311c8d 816
tnhnrl 73:f6f378311c8d 817 size_t size = ftell(_fp);
tnhnrl 62:d502889e74f1 818
tnhnrl 62:d502889e74f1 819 //move the FILE pointer back to the start
tnhnrl 62:d502889e74f1 820 fseek(_fp, 0, SEEK_SET); // SEEK_SET is the beginning of file
tnhnrl 62:d502889e74f1 821
tnhnrl 73:f6f378311c8d 822 _total_number_of_packets = size/254;
tnhnrl 69:919ac8d7e023 823
tnhnrl 69:919ac8d7e023 824 return _total_number_of_packets;
tnhnrl 62:d502889e74f1 825 }
tnhnrl 62:d502889e74f1 826
tnhnrl 62:d502889e74f1 827 void MbedLogger::endTransmissionCloseFile() {
tnhnrl 62:d502889e74f1 828 // if the file pointer is null, the file was not opened in the first place
tnhnrl 62:d502889e74f1 829 if (!_fp) {
tnhnrl 62:d502889e74f1 830 pc().printf("\n endTransmissionCloseFile: FILE WAS NOT OPENED!\n\r");
tnhnrl 62:d502889e74f1 831 }
tnhnrl 62:d502889e74f1 832 else {
tnhnrl 62:d502889e74f1 833 pc().printf("\n endTransmissionCloseFile: FILE FOUND AND CLOSED!\n\r");
tnhnrl 62:d502889e74f1 834 closeLogFile();
tnhnrl 62:d502889e74f1 835 }
tnhnrl 62:d502889e74f1 836
tnhnrl 62:d502889e74f1 837 _file_transmission = false;
tnhnrl 62:d502889e74f1 838 }
tnhnrl 62:d502889e74f1 839
tnhnrl 62:d502889e74f1 840 void MbedLogger::openWriteFile() {
tnhnrl 62:d502889e74f1 841 pc().printf("Opening file for reception.\n\r");
tnhnrl 62:d502889e74f1 842
tnhnrl 62:d502889e74f1 843 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 844
tnhnrl 62:d502889e74f1 845 _fp = fopen(file_name_string.c_str(), "w");
tnhnrl 62:d502889e74f1 846 }
tnhnrl 62:d502889e74f1 847
tnhnrl 62:d502889e74f1 848
tnhnrl 62:d502889e74f1 849 //weird bug noticed on 5/25/2018 where if you're not sending data the function is not completing
tnhnrl 62:d502889e74f1 850
tnhnrl 62:d502889e74f1 851
tnhnrl 62:d502889e74f1 852
tnhnrl 62:d502889e74f1 853
tnhnrl 62:d502889e74f1 854 // function checks for incoming data (receiver function) from a Python program that transmits a file
tnhnrl 62:d502889e74f1 855 // current limit is a file that has 255 lines of data
tnhnrl 68:8f549749b8ce 856 bool MbedLogger::checkForIncomingData() {
tnhnrl 62:d502889e74f1 857 int receive_packet_number;
tnhnrl 62:d502889e74f1 858 int receive_total_number_packets;
tnhnrl 62:d502889e74f1 859 int receive_packet_size;
tnhnrl 62:d502889e74f1 860
tnhnrl 62:d502889e74f1 861 bool data_transmission_complete = false;
tnhnrl 62:d502889e74f1 862
tnhnrl 62:d502889e74f1 863 int incoming_byte;
tnhnrl 62:d502889e74f1 864
tnhnrl 62:d502889e74f1 865 char char_buffer[256] = {}; //create empty buffer
tnhnrl 62:d502889e74f1 866
tnhnrl 62:d502889e74f1 867 //starting state
tnhnrl 62:d502889e74f1 868 int process_state = HEADER_117;
tnhnrl 62:d502889e74f1 869
tnhnrl 62:d502889e74f1 870 //variables for processing data below
tnhnrl 62:d502889e74f1 871 int checksum_one = -1;
tnhnrl 62:d502889e74f1 872 int checksum_two = -1;
tnhnrl 62:d502889e74f1 873
tnhnrl 62:d502889e74f1 874 int i = 5;
tnhnrl 62:d502889e74f1 875 int serial_timeout = 0;
tnhnrl 62:d502889e74f1 876
tnhnrl 62:d502889e74f1 877 while (pc().readable() && !data_transmission_complete) {
tnhnrl 62:d502889e74f1 878 incoming_byte = pc().getc(); //getc returns an unsigned char cast to an int
tnhnrl 62:d502889e74f1 879 //pc().printf("DEBUG: State 0\n\r");
tnhnrl 62:d502889e74f1 880
tnhnrl 62:d502889e74f1 881 switch(process_state) {
tnhnrl 62:d502889e74f1 882 case HEADER_117:
tnhnrl 62:d502889e74f1 883 //continue processing
tnhnrl 62:d502889e74f1 884 if (incoming_byte == 117){
tnhnrl 62:d502889e74f1 885 process_state = HEADER_101;
tnhnrl 62:d502889e74f1 886 //pc().printf("DEBUG: Case 117\n\r");
tnhnrl 62:d502889e74f1 887 }
tnhnrl 62:d502889e74f1 888 //end transmission
tnhnrl 62:d502889e74f1 889 else if (incoming_byte == 16) {
tnhnrl 62:d502889e74f1 890 process_state = END_TRANSMISSION;
tnhnrl 62:d502889e74f1 891 pc().printf("DEBUG: State 16 (END_TRANSMISSION)\n\r");
tnhnrl 62:d502889e74f1 892 }
tnhnrl 62:d502889e74f1 893 else {
tnhnrl 62:d502889e74f1 894 process_state = HEADER_117; // ???
tnhnrl 62:d502889e74f1 895 //pc().printf("DEBUG: State Header 117\n\r");
tnhnrl 62:d502889e74f1 896 }
tnhnrl 62:d502889e74f1 897 break;
tnhnrl 62:d502889e74f1 898
tnhnrl 62:d502889e74f1 899 case HEADER_101:
tnhnrl 62:d502889e74f1 900 if(incoming_byte == 101) {
tnhnrl 62:d502889e74f1 901 process_state = PACKET_NUM;
tnhnrl 62:d502889e74f1 902 //pc().printf("DEBUG: Case 101\n\r");
tnhnrl 62:d502889e74f1 903 }
tnhnrl 62:d502889e74f1 904 break;
tnhnrl 62:d502889e74f1 905
tnhnrl 62:d502889e74f1 906 case PACKET_NUM:
tnhnrl 62:d502889e74f1 907 receive_packet_number = incoming_byte;
tnhnrl 62:d502889e74f1 908 process_state = TOTAL_NUM_PACKETS;
tnhnrl 62:d502889e74f1 909 //pc().printf("DEBUG: Case PACKET_NUM\n\r");
tnhnrl 62:d502889e74f1 910 break;
tnhnrl 62:d502889e74f1 911
tnhnrl 62:d502889e74f1 912 case TOTAL_NUM_PACKETS:
tnhnrl 62:d502889e74f1 913 receive_total_number_packets = incoming_byte;
tnhnrl 62:d502889e74f1 914 process_state = PACKET_SIZE;
tnhnrl 62:d502889e74f1 915 //pc().printf("DEBUG: Case TOTAL_NUM_PACKETS\n\r");
tnhnrl 62:d502889e74f1 916 break;
tnhnrl 62:d502889e74f1 917
tnhnrl 62:d502889e74f1 918 case PACKET_SIZE:
tnhnrl 62:d502889e74f1 919 receive_packet_size = incoming_byte;
tnhnrl 62:d502889e74f1 920 //pc().printf("DEBUG: Case PACKET_SIZE\n\r");
tnhnrl 62:d502889e74f1 921
tnhnrl 62:d502889e74f1 922 //write the header stuff to it
tnhnrl 62:d502889e74f1 923 char_buffer[0] = 117;
tnhnrl 62:d502889e74f1 924 char_buffer[1] = 101;
tnhnrl 62:d502889e74f1 925 char_buffer[2] = receive_packet_number;
tnhnrl 62:d502889e74f1 926 char_buffer[3] = receive_total_number_packets;
tnhnrl 62:d502889e74f1 927 char_buffer[4] = receive_packet_size;
tnhnrl 62:d502889e74f1 928
tnhnrl 62:d502889e74f1 929 // tests confirmed that packet number is zero, number of packets is 12, packet size is 12
tnhnrl 62:d502889e74f1 930 //pc().printf("char_buffer 2/3/4: %d %d %d\n\r", receive_packet_number,receive_total_number_packets,receive_packet_size);
tnhnrl 68:8f549749b8ce 931
tnhnrl 62:d502889e74f1 932 //process packet data, future version will append for larger data sizes, 0xFFFF
tnhnrl 62:d502889e74f1 933
tnhnrl 62:d502889e74f1 934 // IF YOU GET AN INTERRUPTED DATA STREAM YOU NEED TO BREAK OUT OF THE LOOP
tnhnrl 62:d502889e74f1 935 i = 5;
tnhnrl 62:d502889e74f1 936 serial_timeout = 0;
tnhnrl 62:d502889e74f1 937
tnhnrl 62:d502889e74f1 938 while (true) {
tnhnrl 62:d502889e74f1 939 if (pc().readable()) {
tnhnrl 62:d502889e74f1 940 char_buffer[i] = pc().getc(); //read all of the data packets
tnhnrl 62:d502889e74f1 941 i++;
tnhnrl 62:d502889e74f1 942
tnhnrl 62:d502889e74f1 943 serial_timeout = 0; //reset the timeout
tnhnrl 62:d502889e74f1 944 }
tnhnrl 62:d502889e74f1 945 else {
tnhnrl 62:d502889e74f1 946 serial_timeout++;
tnhnrl 62:d502889e74f1 947 }
tnhnrl 62:d502889e74f1 948
tnhnrl 62:d502889e74f1 949 // When full data packet is received...
tnhnrl 62:d502889e74f1 950 if (i >= receive_packet_size+5) { //cannot do this properly with a for loop
tnhnrl 62:d502889e74f1 951 //get checksum bytes
tnhnrl 62:d502889e74f1 952 checksum_one = pc().getc();
tnhnrl 62:d502889e74f1 953 checksum_two = pc().getc();
tnhnrl 62:d502889e74f1 954
tnhnrl 62:d502889e74f1 955 //calculate the CRC from the header and data bytes using _data_packet (vector)
tnhnrl 62:d502889e74f1 956 //found out calculating crc with string was dropping empty or null spaces
tnhnrl 62:d502889e74f1 957 _data_packet.clear(); //clear it just in case
tnhnrl 62:d502889e74f1 958
tnhnrl 62:d502889e74f1 959 for (int a = 0; a < receive_packet_size+5; a++) {
tnhnrl 62:d502889e74f1 960 _data_packet.push_back(char_buffer[a]); //push the character array into the buffer
tnhnrl 62:d502889e74f1 961 }
tnhnrl 62:d502889e74f1 962
tnhnrl 62:d502889e74f1 963 //calculate the CRC using the vector (strings will cut off null characters)
tnhnrl 62:d502889e74f1 964 int calc_crc_one = calcCrcOne();
tnhnrl 62:d502889e74f1 965 int calc_crc_two = calcCrcTwo();
tnhnrl 62:d502889e74f1 966
tnhnrl 62:d502889e74f1 967 //pc().printf("DEBUG: calc crc 1: %d, crc 2: %d\n\r", calc_crc_one, calc_crc_two);
tnhnrl 62:d502889e74f1 968
tnhnrl 62:d502889e74f1 969 // first confirm that the checksum is correct
tnhnrl 62:d502889e74f1 970 if ((calc_crc_one == checksum_one) and (calc_crc_two == checksum_two)) {
tnhnrl 62:d502889e74f1 971 // CHECKSUM CORRECT & get the filename from the first packet (check that you receive first packet)
tnhnrl 62:d502889e74f1 972 if (receive_packet_number == 0) {
tnhnrl 62:d502889e74f1 973 char temp_char[receive_packet_size+1]; //temp array for memcpy
tnhnrl 62:d502889e74f1 974 memset(&temp_char[0], 0, sizeof(temp_char)); //clear full array (or get random characters)
tnhnrl 62:d502889e74f1 975 strncpy(temp_char, char_buffer + 5 /* Offset */, receive_packet_size*sizeof(char) /* Length */); //memcpy introduced random characters
tnhnrl 62:d502889e74f1 976
tnhnrl 62:d502889e74f1 977 //have to terminate the string with '\0'
tnhnrl 62:d502889e74f1 978 temp_char[receive_packet_size] = '\0';
tnhnrl 62:d502889e74f1 979
tnhnrl 62:d502889e74f1 980 //pc().printf("\n\rDEBUG: ------ Filename? <<%s>>\n\r", temp_char);
tnhnrl 62:d502889e74f1 981 _received_filename = temp_char;
tnhnrl 62:d502889e74f1 982
tnhnrl 62:d502889e74f1 983 //pc().printf("\n\rDEBUG: _received_filename <<%s>>\n\r", _received_filename);
tnhnrl 62:d502889e74f1 984
tnhnrl 62:d502889e74f1 985 //open a file for writing
tnhnrl 62:d502889e74f1 986 openReceiveFile(_received_filename);
tnhnrl 62:d502889e74f1 987
tnhnrl 62:d502889e74f1 988 //send a reply to Python transmit program
tnhnrl 62:d502889e74f1 989 sendReply();
tnhnrl 62:d502889e74f1 990
tnhnrl 62:d502889e74f1 991 led3() = 1;
tnhnrl 62:d502889e74f1 992
tnhnrl 62:d502889e74f1 993 // even if correct CRC, counter prevents the program from writing the same packet twice
tnhnrl 62:d502889e74f1 994 _confirmed_packet_number++;
tnhnrl 62:d502889e74f1 995 }
tnhnrl 62:d502889e74f1 996
tnhnrl 62:d502889e74f1 997 // check if the packet that you're receiving (receive_packet_number) has been received already...
tnhnrl 62:d502889e74f1 998
tnhnrl 62:d502889e74f1 999 //CHECKSUM CORRECT & packet numbers that are 1 through N packets
tnhnrl 62:d502889e74f1 1000 else if (receive_packet_number == _confirmed_packet_number){
tnhnrl 62:d502889e74f1 1001 //save the data (char buffer) to the file if both checksums work...
tnhnrl 62:d502889e74f1 1002
tnhnrl 62:d502889e74f1 1003 // when a packet is received (successfully) send a reply
tnhnrl 62:d502889e74f1 1004 sendReply();
tnhnrl 62:d502889e74f1 1005
tnhnrl 62:d502889e74f1 1006 // write correct data to file
tnhnrl 62:d502889e74f1 1007 fprintf(_fp, "%s", char_buffer+5);
tnhnrl 62:d502889e74f1 1008
tnhnrl 62:d502889e74f1 1009 // even if correct CRC, counter prevents the program from writing the same packet twice
tnhnrl 62:d502889e74f1 1010 _confirmed_packet_number++;
tnhnrl 62:d502889e74f1 1011 }
tnhnrl 62:d502889e74f1 1012
tnhnrl 62:d502889e74f1 1013 //clear the variables
tnhnrl 62:d502889e74f1 1014 checksum_one = -1;
tnhnrl 62:d502889e74f1 1015 checksum_two = -1;
tnhnrl 62:d502889e74f1 1016 }
tnhnrl 62:d502889e74f1 1017
tnhnrl 62:d502889e74f1 1018 process_state = HEADER_117;
tnhnrl 62:d502889e74f1 1019
tnhnrl 62:d502889e74f1 1020 break;
tnhnrl 62:d502889e74f1 1021 }
tnhnrl 62:d502889e74f1 1022
tnhnrl 62:d502889e74f1 1023 //counter breaks out of the loop if no data received
tnhnrl 62:d502889e74f1 1024 if (serial_timeout >= 10000) {
tnhnrl 62:d502889e74f1 1025 //pc().printf("break serial_timeout %d\n\r", serial_timeout);
tnhnrl 62:d502889e74f1 1026 break;
tnhnrl 62:d502889e74f1 1027 }
tnhnrl 62:d502889e74f1 1028 }
tnhnrl 62:d502889e74f1 1029 break;
tnhnrl 62:d502889e74f1 1030
tnhnrl 62:d502889e74f1 1031 case END_TRANSMISSION:
tnhnrl 62:d502889e74f1 1032 if (pc().getc() == 16) {
tnhnrl 62:d502889e74f1 1033 pc().printf("DEBUG: END_TRANSMISSION REACHED: 1. \n\r");
tnhnrl 62:d502889e74f1 1034
tnhnrl 62:d502889e74f1 1035 if (pc().getc() == 16) {
tnhnrl 62:d502889e74f1 1036 pc().printf("DEBUG: END_TRANSMISSION REACHED: 2. \n\r");
tnhnrl 62:d502889e74f1 1037
tnhnrl 62:d502889e74f1 1038 endReceiveData();
tnhnrl 62:d502889e74f1 1039 }
tnhnrl 62:d502889e74f1 1040 }
tnhnrl 62:d502889e74f1 1041
tnhnrl 62:d502889e74f1 1042 pc().printf("DEBUG: END_TRANSMISSION REACHED: 5. \n\r");
tnhnrl 62:d502889e74f1 1043
tnhnrl 62:d502889e74f1 1044 //process_state = HEADER_117; //don't do this unless the check is wrong
tnhnrl 62:d502889e74f1 1045 pc().printf("END_TRANSMISSION process_state is %d\n\r", process_state); //should be 5 (debug) 02/06/2018
tnhnrl 62:d502889e74f1 1046 data_transmission_complete = true;
tnhnrl 62:d502889e74f1 1047 break;
tnhnrl 62:d502889e74f1 1048 }//END OF SWITCH
tnhnrl 62:d502889e74f1 1049
tnhnrl 62:d502889e74f1 1050 if (data_transmission_complete) {
tnhnrl 62:d502889e74f1 1051 pc().printf("DEBUG: checkForIncomingData data_transmission_complete \n\r");
tnhnrl 62:d502889e74f1 1052 break; //out of while loop
tnhnrl 62:d502889e74f1 1053 }
tnhnrl 62:d502889e74f1 1054 } // while loop
tnhnrl 62:d502889e74f1 1055
tnhnrl 62:d502889e74f1 1056 led3() = !led3();
tnhnrl 62:d502889e74f1 1057
tnhnrl 62:d502889e74f1 1058 if (data_transmission_complete)
tnhnrl 62:d502889e74f1 1059 return false; //tell state machine class that this is done (not transmitting, false)
tnhnrl 62:d502889e74f1 1060 else {
tnhnrl 62:d502889e74f1 1061 return true;
tnhnrl 62:d502889e74f1 1062 }
tnhnrl 62:d502889e74f1 1063 }
tnhnrl 62:d502889e74f1 1064
tnhnrl 62:d502889e74f1 1065 int MbedLogger::sendReply() {
tnhnrl 62:d502889e74f1 1066 //being explicit in what's being transmitted
tnhnrl 62:d502889e74f1 1067
tnhnrl 62:d502889e74f1 1068 //change this method to be more explicit later
tnhnrl 62:d502889e74f1 1069
tnhnrl 62:d502889e74f1 1070 //integer vector _data_packet is used here, cleared fist just in case
tnhnrl 62:d502889e74f1 1071
tnhnrl 62:d502889e74f1 1072 _data_packet.clear(); //same data packet for transmission
tnhnrl 62:d502889e74f1 1073 _data_packet.push_back(117);
tnhnrl 62:d502889e74f1 1074 _data_packet.push_back(101);
tnhnrl 62:d502889e74f1 1075
tnhnrl 62:d502889e74f1 1076 //_confirmed_packet_number comes from the packet number that is sent from the Python program
tnhnrl 62:d502889e74f1 1077 _data_packet.push_back(_confirmed_packet_number / 256); //packet number only changed when confirmed
tnhnrl 62:d502889e74f1 1078 _data_packet.push_back(_confirmed_packet_number % 256); //split into first and second byte
tnhnrl 62:d502889e74f1 1079
tnhnrl 62:d502889e74f1 1080 //compute checksums
tnhnrl 62:d502889e74f1 1081
tnhnrl 62:d502889e74f1 1082 int receiver_crc_one = calcCrcOne();
tnhnrl 62:d502889e74f1 1083 int receiver_crc_two = calcCrcTwo();
tnhnrl 62:d502889e74f1 1084
tnhnrl 62:d502889e74f1 1085 _data_packet.push_back(receiver_crc_one);
tnhnrl 62:d502889e74f1 1086 _data_packet.push_back(receiver_crc_two);
tnhnrl 62:d502889e74f1 1087
tnhnrl 62:d502889e74f1 1088 //transmit this packet
tnhnrl 62:d502889e74f1 1089 for (_it=_data_packet.begin(); _it < _data_packet.end(); _it++) {
tnhnrl 62:d502889e74f1 1090 pc().putc(*_it); //send integers over serial port one byte at a time
tnhnrl 62:d502889e74f1 1091 }
tnhnrl 62:d502889e74f1 1092
tnhnrl 62:d502889e74f1 1093 //change process methodology later...
tnhnrl 62:d502889e74f1 1094
tnhnrl 62:d502889e74f1 1095 return _confirmed_packet_number;
tnhnrl 62:d502889e74f1 1096 }
tnhnrl 62:d502889e74f1 1097
tnhnrl 62:d502889e74f1 1098 void MbedLogger::endReceiveData() { //DLE character * 4 ==> 10 10 10 10
tnhnrl 62:d502889e74f1 1099 closeLogFile(); //close the file here
tnhnrl 62:d502889e74f1 1100 pc().printf("endReceiveData closed the file and ended transmission\n\r");
tnhnrl 62:d502889e74f1 1101 }
tnhnrl 62:d502889e74f1 1102
tnhnrl 62:d502889e74f1 1103 //calculate the crc with an integer array
tnhnrl 62:d502889e74f1 1104 int MbedLogger::calcCrcOneArray(int *input_array, int array_length) {
tnhnrl 62:d502889e74f1 1105 //can't initialize the table in the constructor in c++
tnhnrl 62:d502889e74f1 1106 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 1107 int crc = 0;
tnhnrl 62:d502889e74f1 1108 for (int z = 0; z < array_length; z++) {
tnhnrl 62:d502889e74f1 1109 crc = (crc_table[(input_array[z] ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF;
tnhnrl 62:d502889e74f1 1110 }
tnhnrl 62:d502889e74f1 1111 return crc / 256; //second-to-last byte
tnhnrl 62:d502889e74f1 1112 }
tnhnrl 62:d502889e74f1 1113
tnhnrl 62:d502889e74f1 1114 int MbedLogger::calcCrcTwoArray(int *input_array, int array_length) {
tnhnrl 62:d502889e74f1 1115 //can't initialize the table in the constructor in c++
tnhnrl 62:d502889e74f1 1116 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 1117 int crc = 0;
tnhnrl 62:d502889e74f1 1118 for (int z = 0; z < array_length; z++) {
tnhnrl 62:d502889e74f1 1119 crc = (crc_table[(input_array[z] ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF;
tnhnrl 62:d502889e74f1 1120 }
tnhnrl 62:d502889e74f1 1121 return crc % 256; //second-to-last byte
tnhnrl 62:d502889e74f1 1122 }
tnhnrl 62:d502889e74f1 1123
tnhnrl 62:d502889e74f1 1124 int MbedLogger::calcCrcOne() {
tnhnrl 62:d502889e74f1 1125 //can't initialize the table in the constructor in c++
tnhnrl 62:d502889e74f1 1126 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 1127
tnhnrl 62:d502889e74f1 1128 int crc = 0;
tnhnrl 62:d502889e74f1 1129 for (_it=_data_packet.begin(); _it < _data_packet.end(); _it++)
tnhnrl 62:d502889e74f1 1130 crc = (crc_table[(*_it ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF;
tnhnrl 62:d502889e74f1 1131
tnhnrl 62:d502889e74f1 1132 return crc / 256; //second-to-last byte
tnhnrl 62:d502889e74f1 1133 }
tnhnrl 62:d502889e74f1 1134
tnhnrl 62:d502889e74f1 1135 int MbedLogger::calcCrcTwo() {
tnhnrl 62:d502889e74f1 1136 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 1137
tnhnrl 62:d502889e74f1 1138 int crc = 0;
tnhnrl 62:d502889e74f1 1139 for (_it=_data_packet.begin(); _it < _data_packet.end(); _it++)
tnhnrl 62:d502889e74f1 1140 crc = (crc_table[(*_it ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF;
tnhnrl 62:d502889e74f1 1141
tnhnrl 62:d502889e74f1 1142 //pc().printf("DEBUG: calcCrcTwo string length: %d crc: %d\n\r", input_array.length(), crc % 256);
tnhnrl 62:d502889e74f1 1143
tnhnrl 62:d502889e74f1 1144 return crc % 256; //last byte
tnhnrl 62:d502889e74f1 1145 }
tnhnrl 62:d502889e74f1 1146
tnhnrl 62:d502889e74f1 1147 void MbedLogger::resetReplyPacket() {
tnhnrl 62:d502889e74f1 1148 _confirmed_packet_number = 0;
tnhnrl 62:d502889e74f1 1149 }
tnhnrl 62:d502889e74f1 1150
tnhnrl 62:d502889e74f1 1151 void MbedLogger::openNewMissionFile() {
tnhnrl 62:d502889e74f1 1152 pc().printf("Opening Mission file (sequence.txt) for reception.\n\r");
tnhnrl 62:d502889e74f1 1153 string filename_string = _file_system_string + "sequence.txt";
tnhnrl 62:d502889e74f1 1154
tnhnrl 62:d502889e74f1 1155 pc().printf("openNewMissionFile: %s\n\r", filename_string.c_str());
tnhnrl 62:d502889e74f1 1156
tnhnrl 62:d502889e74f1 1157 _fp = fopen(filename_string.c_str(), "w");
tnhnrl 62:d502889e74f1 1158 }
tnhnrl 62:d502889e74f1 1159
tnhnrl 62:d502889e74f1 1160 void MbedLogger::openReceiveFile(string filename) {
tnhnrl 62:d502889e74f1 1161 string filename_string = _file_system_string + filename; //example "sequence.txt"
tnhnrl 62:d502889e74f1 1162
tnhnrl 62:d502889e74f1 1163 _fp = fopen(filename_string.c_str(), "w"); //open a file for writing
tnhnrl 62:d502889e74f1 1164 }
tnhnrl 62:d502889e74f1 1165
tnhnrl 62:d502889e74f1 1166 void MbedLogger::setDataCounter(int input_counter) {
tnhnrl 62:d502889e74f1 1167 _transmit_counter = input_counter;
tnhnrl 62:d502889e74f1 1168 }
tnhnrl 62:d502889e74f1 1169
tnhnrl 62:d502889e74f1 1170 void MbedLogger::closeIncompleteFile() {
tnhnrl 62:d502889e74f1 1171 fprintf(_fp, "TRANSMISSION INTERRUPTED!"); //write this warning to the file
tnhnrl 62:d502889e74f1 1172 closeLogFile(); //close file
tnhnrl 62:d502889e74f1 1173 }
tnhnrl 62:d502889e74f1 1174
tnhnrl 62:d502889e74f1 1175 void MbedLogger::appendLogFile(int current_state, int option) {
tnhnrl 62:d502889e74f1 1176 //option one means write to file
tnhnrl 62:d502889e74f1 1177
tnhnrl 62:d502889e74f1 1178 if (option == 1) {
tnhnrl 62:d502889e74f1 1179 if (!_fp) { //if not present
tnhnrl 62:d502889e74f1 1180 _fp = fopen(_full_file_path_string.c_str(), "a");
tnhnrl 62:d502889e74f1 1181 }
tnhnrl 62:d502889e74f1 1182
tnhnrl 62:d502889e74f1 1183 //record data using the recordData function (takes in the state integer)
tnhnrl 62:d502889e74f1 1184 recordData(current_state);
tnhnrl 62:d502889e74f1 1185 }
tnhnrl 62:d502889e74f1 1186
tnhnrl 62:d502889e74f1 1187 else {
tnhnrl 62:d502889e74f1 1188 closeLogFile();
tnhnrl 62:d502889e74f1 1189 }
tnhnrl 62:d502889e74f1 1190 }
tnhnrl 62:d502889e74f1 1191
tnhnrl 62:d502889e74f1 1192 // initialize and close the file
tnhnrl 62:d502889e74f1 1193 // log file freezes at 0x0000006c
tnhnrl 62:d502889e74f1 1194 void MbedLogger::initializeLogFile() {
tnhnrl 62:d502889e74f1 1195 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 62:d502889e74f1 1196 pc().printf("%s file system init\n\r", _file_system_string.c_str());
tnhnrl 62:d502889e74f1 1197
tnhnrl 62:d502889e74f1 1198 //try to open this file...
tnhnrl 62:d502889e74f1 1199 _fp = fopen(file_name_string.c_str(), "r");
tnhnrl 62:d502889e74f1 1200
tnhnrl 62:d502889e74f1 1201 //if the file is empty, create this.
tnhnrl 62:d502889e74f1 1202 if (!_fp) {
tnhnrl 62:d502889e74f1 1203 _fp = fopen(file_name_string.c_str(), "w"); //write,print,close
tnhnrl 67:c86a4b464682 1204 //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 1205 fprintf(_fp,_heading_string.c_str());
tnhnrl 62:d502889e74f1 1206 closeLogFile();
tnhnrl 62:d502889e74f1 1207 }
tnhnrl 62:d502889e74f1 1208 else
tnhnrl 62:d502889e74f1 1209 closeLogFile(); //close the opened read file
tnhnrl 62:d502889e74f1 1210 }
tnhnrl 62:d502889e74f1 1211
tnhnrl 62:d502889e74f1 1212 int MbedLogger::fileTransmitState() {
tnhnrl 62:d502889e74f1 1213 return _file_transmission_state;
tnhnrl 62:d502889e74f1 1214 }
tnhnrl 62:d502889e74f1 1215
tnhnrl 62:d502889e74f1 1216 int MbedLogger::calcCrcOneString (string input_string) {
tnhnrl 62:d502889e74f1 1217 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 1218
tnhnrl 62:d502889e74f1 1219 int crc = 0;
tnhnrl 62:d502889e74f1 1220 for (unsigned int i = 0; i < input_string.length(); i++) {
tnhnrl 62:d502889e74f1 1221 //convert each character to an integer
tnhnrl 62:d502889e74f1 1222 int character_to_integer = input_string[i]; //correct
tnhnrl 62:d502889e74f1 1223
tnhnrl 62:d502889e74f1 1224 crc = (crc_table[(character_to_integer ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF;
tnhnrl 62:d502889e74f1 1225 }
tnhnrl 62:d502889e74f1 1226
tnhnrl 62:d502889e74f1 1227 //pc().printf("DEBUG: calcCrcOne string length: %d crc: %d\n\r", input_string.length(), crc/256);
tnhnrl 62:d502889e74f1 1228
tnhnrl 62:d502889e74f1 1229 return crc / 256; //second-to-last byte
tnhnrl 62:d502889e74f1 1230 }
tnhnrl 62:d502889e74f1 1231
tnhnrl 62:d502889e74f1 1232 int MbedLogger::calcCrcTwoString (string input_string) {
tnhnrl 62:d502889e74f1 1233 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 1234
tnhnrl 62:d502889e74f1 1235 int crc = 0;
tnhnrl 62:d502889e74f1 1236 for (unsigned int i = 0; i < input_string.length(); i++) {
tnhnrl 62:d502889e74f1 1237 //convert each character to an integer
tnhnrl 62:d502889e74f1 1238 int character_to_integer = input_string[i]; //correct
tnhnrl 62:d502889e74f1 1239
tnhnrl 62:d502889e74f1 1240 crc = (crc_table[(character_to_integer ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF;
tnhnrl 62:d502889e74f1 1241 }
tnhnrl 62:d502889e74f1 1242
tnhnrl 62:d502889e74f1 1243 //pc().printf("DEBUG: calcCrcTwo string length: %d crc: %d\n\r", input_string.length(), crc % 256);
tnhnrl 62:d502889e74f1 1244
tnhnrl 62:d502889e74f1 1245 return crc % 256; //last byte
tnhnrl 62:d502889e74f1 1246 }
tnhnrl 62:d502889e74f1 1247
tnhnrl 62:d502889e74f1 1248 void MbedLogger::createEmptyLog() {
tnhnrl 62:d502889e74f1 1249 string file_name_string = _file_system_string + "LOG000.csv";
tnhnrl 67:c86a4b464682 1250 string empty_log = "EMPTY LOG";
tnhnrl 62:d502889e74f1 1251
tnhnrl 62:d502889e74f1 1252 _fp = fopen(file_name_string.c_str(), "w");
tnhnrl 67:c86a4b464682 1253
tnhnrl 67:c86a4b464682 1254 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 1255 closeLogFile();
tnhnrl 62:d502889e74f1 1256 }
tnhnrl 62:d502889e74f1 1257
tnhnrl 62:d502889e74f1 1258 int MbedLogger::getFileSize(string filename) {
tnhnrl 62:d502889e74f1 1259 // fixed the const char * errror:
tnhnrl 62:d502889e74f1 1260 // https://stackoverflow.com/questions/347949/how-to-convert-a-stdstring-to-const-char-or-char
tnhnrl 62:d502889e74f1 1261 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 1262 //http://www.cplusplus.com/reference/string/string/c_str/
tnhnrl 62:d502889e74f1 1263
tnhnrl 62:d502889e74f1 1264 _fp = fopen(filename.c_str(), "rb"); //open the file for reading as a binary file
tnhnrl 62:d502889e74f1 1265
tnhnrl 62:d502889e74f1 1266 fseek(_fp, 0, SEEK_END); //SEEK_END is a constant in cstdio (end of the file)
tnhnrl 62:d502889e74f1 1267 unsigned int file_size = ftell(_fp); //For binary streams, this is the number of bytes from the beginning of the file.
tnhnrl 62:d502889e74f1 1268 fseek(_fp, 0, SEEK_SET); //SEEK_SET is hte beginning of the file, not sure this is necessary
tnhnrl 62:d502889e74f1 1269
tnhnrl 73:f6f378311c8d 1270 //closeLogFile(); //can probably just close the file pointer and not worry about position
tnhnrl 62:d502889e74f1 1271
tnhnrl 62:d502889e74f1 1272 pc().printf("%s file size is %d\n\r", filename.c_str(), file_size);
tnhnrl 62:d502889e74f1 1273
tnhnrl 62:d502889e74f1 1274 return file_size;
tnhnrl 62:d502889e74f1 1275 }
tnhnrl 62:d502889e74f1 1276
tnhnrl 62:d502889e74f1 1277 int MbedLogger::debugFileState() {
tnhnrl 62:d502889e74f1 1278 pc().printf("What is _fp right now? %p\n\r", _fp); //pointer notation
tnhnrl 62:d502889e74f1 1279
tnhnrl 62:d502889e74f1 1280 if (_fp)
tnhnrl 62:d502889e74f1 1281 return 1; //file pointer does exist
tnhnrl 62:d502889e74f1 1282 else
tnhnrl 62:d502889e74f1 1283 return 0; //file pointer does not exist
tnhnrl 62:d502889e74f1 1284 }
tnhnrl 62:d502889e74f1 1285
tnhnrl 62:d502889e74f1 1286 void MbedLogger::specifyFileForTransmit(string input_string) {
tnhnrl 62:d502889e74f1 1287 pc().printf("specifyFileForTransmit\n\r");
tnhnrl 62:d502889e74f1 1288
tnhnrl 62:d502889e74f1 1289 string file_string = _file_system_string + input_string;
tnhnrl 62:d502889e74f1 1290
tnhnrl 62:d502889e74f1 1291 pc().printf("file_string is <%s>\n\r", file_string.c_str());
tnhnrl 62:d502889e74f1 1292
tnhnrl 62:d502889e74f1 1293 //open this file to read
tnhnrl 62:d502889e74f1 1294 _fp = fopen(file_string.c_str(), "r");
tnhnrl 62:d502889e74f1 1295
tnhnrl 62:d502889e74f1 1296 //transmit that file
tnhnrl 62:d502889e74f1 1297 //transmitDataWithTicker(); //replaced ticker
tnhnrl 62:d502889e74f1 1298
tnhnrl 62:d502889e74f1 1299 _file_transmission = true;
tnhnrl 62:d502889e74f1 1300 }
tnhnrl 62:d502889e74f1 1301
tnhnrl 62:d502889e74f1 1302 void MbedLogger::transmitFileFromDirectory( int file_number ) {
tnhnrl 62:d502889e74f1 1303 file_number = file_number + 1; //to get the correct number
tnhnrl 62:d502889e74f1 1304
tnhnrl 62:d502889e74f1 1305 DIR *dir;
tnhnrl 62:d502889e74f1 1306 struct dirent *dp; //dirent.h is the format of directory entries
tnhnrl 62:d502889e74f1 1307 int log_found =0, loop=1; //start file numbers at 1
tnhnrl 62:d502889e74f1 1308 long int temp=0;
tnhnrl 62:d502889e74f1 1309
tnhnrl 62:d502889e74f1 1310 // char * char_pointer;
tnhnrl 62:d502889e74f1 1311 // char * numstart, *numstop;
tnhnrl 62:d502889e74f1 1312
tnhnrl 62:d502889e74f1 1313 if ( NULL == (dir = opendir( _file_system_string.c_str() )) ) {
tnhnrl 62:d502889e74f1 1314 pc().printf("MBED directory could not be opened\r\n");
tnhnrl 62:d502889e74f1 1315 }
tnhnrl 62:d502889e74f1 1316 else
tnhnrl 62:d502889e74f1 1317 {
tnhnrl 62:d502889e74f1 1318 while ( NULL != (dp = readdir( dir )) )
tnhnrl 62:d502889e74f1 1319 {
tnhnrl 62:d502889e74f1 1320 pc().printf( "%d. %s (log file: %d, %d)\r\n", loop, dp->d_name,log_found,temp);
tnhnrl 62:d502889e74f1 1321
tnhnrl 62:d502889e74f1 1322 //process current file if it matches the file number
tnhnrl 62:d502889e74f1 1323 if (file_number == loop) {
tnhnrl 62:d502889e74f1 1324 char * current_file_name = dp->d_name; //pointer to this char array
tnhnrl 62:d502889e74f1 1325
tnhnrl 62:d502889e74f1 1326 specifyFileForTransmit(current_file_name);
tnhnrl 62:d502889e74f1 1327
tnhnrl 62:d502889e74f1 1328 break;
tnhnrl 62:d502889e74f1 1329 }
tnhnrl 62:d502889e74f1 1330
tnhnrl 62:d502889e74f1 1331 loop++;
tnhnrl 62:d502889e74f1 1332 }
tnhnrl 62:d502889e74f1 1333 }
tnhnrl 62:d502889e74f1 1334 }
tnhnrl 62:d502889e74f1 1335
tnhnrl 62:d502889e74f1 1336 void MbedLogger::accessMbedDirectory() {
tnhnrl 62:d502889e74f1 1337 printMbedDirectory();
tnhnrl 62:d502889e74f1 1338
tnhnrl 62:d502889e74f1 1339 pc().printf("Type in the number of the file you want to transmit.\n\r");
tnhnrl 62:d502889e74f1 1340
tnhnrl 62:d502889e74f1 1341 char message[42];
tnhnrl 62:d502889e74f1 1342
tnhnrl 62:d502889e74f1 1343 pc().scanf("%41s", message);
tnhnrl 62:d502889e74f1 1344
tnhnrl 62:d502889e74f1 1345 pc().printf("Input received!\n\r");
tnhnrl 62:d502889e74f1 1346
tnhnrl 62:d502889e74f1 1347 //check if char array is an integer
tnhnrl 62:d502889e74f1 1348 char* conversion_pointer;
tnhnrl 62:d502889e74f1 1349 long converted = strtol(message, &conversion_pointer, 10);
tnhnrl 62:d502889e74f1 1350
tnhnrl 62:d502889e74f1 1351 if (*conversion_pointer) {
tnhnrl 62:d502889e74f1 1352 //conversion failed because the input was not a number
tnhnrl 62:d502889e74f1 1353 pc().printf("NOT A VALID FILE NUMBER!\n\r");
tnhnrl 62:d502889e74f1 1354 }
tnhnrl 62:d502889e74f1 1355 else {
tnhnrl 62:d502889e74f1 1356 //conversion worked!
tnhnrl 62:d502889e74f1 1357 pc().printf("You chose file number: %d\n\r", converted);
tnhnrl 62:d502889e74f1 1358
tnhnrl 62:d502889e74f1 1359 // transmit the file
tnhnrl 62:d502889e74f1 1360 transmitFileFromDirectory(converted);
tnhnrl 62:d502889e74f1 1361 }
tnhnrl 62:d502889e74f1 1362 }
tnhnrl 62:d502889e74f1 1363
tnhnrl 62:d502889e74f1 1364 void MbedLogger::closeLogFile() {
tnhnrl 68:8f549749b8ce 1365 led4() = 1;
tnhnrl 68:8f549749b8ce 1366
tnhnrl 62:d502889e74f1 1367 if (_fp == NULL){
tnhnrl 62:d502889e74f1 1368 pc().printf("MbedLogger: (%s) LOG FILE WAS ALREADY CLOSED!\n\r", _file_system_string.c_str());
tnhnrl 62:d502889e74f1 1369 }
tnhnrl 62:d502889e74f1 1370
tnhnrl 62:d502889e74f1 1371 else {
tnhnrl 62:d502889e74f1 1372 pc().printf("MbedLogger: (%s) CLOSING LOG FILE!\n\r", _file_system_string.c_str());
tnhnrl 62:d502889e74f1 1373
tnhnrl 62:d502889e74f1 1374 //close file
tnhnrl 62:d502889e74f1 1375 fclose(_fp);
tnhnrl 62:d502889e74f1 1376
tnhnrl 62:d502889e74f1 1377 _fp = NULL; //set pointer to zero
tnhnrl 62:d502889e74f1 1378 }
tnhnrl 62:d502889e74f1 1379 }
tnhnrl 62:d502889e74f1 1380
tnhnrl 62:d502889e74f1 1381 void MbedLogger::activateReceivePacket() {
tnhnrl 62:d502889e74f1 1382 _mbed_receive_loop = true;
tnhnrl 62:d502889e74f1 1383 }
tnhnrl 62:d502889e74f1 1384
tnhnrl 62:d502889e74f1 1385 void MbedLogger::receiveMissionDataWithFSM() {
tnhnrl 62:d502889e74f1 1386 checkForIncomingData();
tnhnrl 62:d502889e74f1 1387
tnhnrl 62:d502889e74f1 1388 // Example: send reply 75 65 00 00
tnhnrl 62:d502889e74f1 1389 // Example: send reply 75 65 00 01
tnhnrl 62:d502889e74f1 1390 }
tnhnrl 62:d502889e74f1 1391
tnhnrl 62:d502889e74f1 1392 void MbedLogger::receiveMissionDataWithTicker() {
tnhnrl 62:d502889e74f1 1393 openNewMissionFile(); //sequence.txt file opened
tnhnrl 62:d502889e74f1 1394
tnhnrl 62:d502889e74f1 1395 _mbed_receive_ticker.attach(callback(this, &MbedLogger::activateReceivePacket), 0.5);
tnhnrl 62:d502889e74f1 1396
tnhnrl 62:d502889e74f1 1397 pc().printf("\n\r02/09/2018 MbedLogger receiveMissionData Beginning to receive sequence data...\n\r");
tnhnrl 62:d502889e74f1 1398
tnhnrl 62:d502889e74f1 1399 resetReplyPacket(); //reset the reply packet
tnhnrl 62:d502889e74f1 1400
tnhnrl 62:d502889e74f1 1401 //idea for stopping this if data not being received
tnhnrl 62:d502889e74f1 1402 int current_packet_number = 0;
tnhnrl 62:d502889e74f1 1403 int last_packet_number = -1;
tnhnrl 62:d502889e74f1 1404 int break_transmission = 0;
tnhnrl 62:d502889e74f1 1405
tnhnrl 62:d502889e74f1 1406 while(1) {
tnhnrl 62:d502889e74f1 1407 //runs at 10 hz
tnhnrl 62:d502889e74f1 1408 if (_mbed_receive_loop) {
tnhnrl 62:d502889e74f1 1409 if (!checkForIncomingData()) { // run this until it finishes
tnhnrl 62:d502889e74f1 1410 //when you complete data reception, this will become false
tnhnrl 62:d502889e74f1 1411 pc().printf("\n\rMbedLogger: Data RECEPTION complete.\n\r");
tnhnrl 62:d502889e74f1 1412 _mbed_receive_ticker.detach();
tnhnrl 62:d502889e74f1 1413 break;
tnhnrl 62:d502889e74f1 1414 }
tnhnrl 62:d502889e74f1 1415 else {
tnhnrl 62:d502889e74f1 1416
tnhnrl 62:d502889e74f1 1417 // SEND REPLY 75 65 00 00
tnhnrl 62:d502889e74f1 1418 // SEND REPLY 75 65 00 01
tnhnrl 62:d502889e74f1 1419
tnhnrl 62:d502889e74f1 1420 //check if you keep getting the same thing
tnhnrl 62:d502889e74f1 1421 current_packet_number = sendReply();
tnhnrl 62:d502889e74f1 1422
tnhnrl 62:d502889e74f1 1423 //pc().printf("DEBUG: current packet number %d (last packet number %d) \n\r", current_packet_number, last_packet_number); //debug
tnhnrl 62:d502889e74f1 1424
tnhnrl 62:d502889e74f1 1425 //let this count up a few times before it exits
tnhnrl 62:d502889e74f1 1426 if (current_packet_number == last_packet_number) {
tnhnrl 62:d502889e74f1 1427 break_transmission++;
tnhnrl 62:d502889e74f1 1428
tnhnrl 62:d502889e74f1 1429 //break transmission after 50 failed attempts (was 100)
tnhnrl 62:d502889e74f1 1430 if (break_transmission >= 50) {
tnhnrl 62:d502889e74f1 1431 closeIncompleteFile(); //close the file
tnhnrl 62:d502889e74f1 1432 _mbed_receive_ticker.detach();
tnhnrl 62:d502889e74f1 1433 pc().printf("MbedLogger: TRANSMISSION INTERRUPTED!\n\r");
tnhnrl 62:d502889e74f1 1434 break;
tnhnrl 62:d502889e74f1 1435 }
tnhnrl 62:d502889e74f1 1436 }
tnhnrl 62:d502889e74f1 1437 else
tnhnrl 62:d502889e74f1 1438 last_packet_number = current_packet_number;
tnhnrl 62:d502889e74f1 1439 }
tnhnrl 62:d502889e74f1 1440 _mbed_receive_loop = false; // wait until the loop rate timer fires again
tnhnrl 62:d502889e74f1 1441 }
tnhnrl 62:d502889e74f1 1442 }
tnhnrl 62:d502889e74f1 1443 }
tnhnrl 62:d502889e74f1 1444
tnhnrl 62:d502889e74f1 1445 //only do this for the MBED because of the limited file size
tnhnrl 62:d502889e74f1 1446 //write one line to the file (open to write, this will erase all other data) and close it.
tnhnrl 62:d502889e74f1 1447 void MbedLogger::eraseFile() {
tnhnrl 62:d502889e74f1 1448 _fp = fopen(_full_file_path_string.c_str(), "w"); // LOG000.csv
tnhnrl 62:d502889e74f1 1449
tnhnrl 67:c86a4b464682 1450 fprintf(_fp,_heading_string.c_str());
tnhnrl 67:c86a4b464682 1451
tnhnrl 67:c86a4b464682 1452 // _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 1453
tnhnrl 62:d502889e74f1 1454 closeLogFile();
tnhnrl 62:d502889e74f1 1455 }
tnhnrl 62:d502889e74f1 1456
tnhnrl 62:d502889e74f1 1457 void MbedLogger::intCreateDataPacket(int data_buffer[],int payload_length) {
tnhnrl 62:d502889e74f1 1458 // packet is 7565 0001 FFFF EEEE CC DATA DATA DATA ... CRC1 CRC2
tnhnrl 62:d502889e74f1 1459
tnhnrl 62:d502889e74f1 1460 //check here https://www.rapidtables.com/convert/number/hex-to-decimal.html?x=01c0
tnhnrl 62:d502889e74f1 1461 // ieee 754: http://www6.uniovi.es/~antonio/uned/ieee754/IEEE-754hex32.html
tnhnrl 62:d502889e74f1 1462
tnhnrl 62:d502889e74f1 1463 //CLEAR: Removes all elements from the vector (which are destroyed), leaving the container with a size of 0.
tnhnrl 62:d502889e74f1 1464 _data_packet.clear();
tnhnrl 62:d502889e74f1 1465
tnhnrl 62:d502889e74f1 1466 //DATA PACKET HEADER
tnhnrl 62:d502889e74f1 1467 _data_packet.push_back(117); //0x75
tnhnrl 62:d502889e74f1 1468 _data_packet.push_back(101); //0x65
tnhnrl 62:d502889e74f1 1469
tnhnrl 62:d502889e74f1 1470 _data_packet.push_back(_packet_number/256); //current packet number in 0x#### form
tnhnrl 62:d502889e74f1 1471 _data_packet.push_back(_packet_number%256); //current packet number in 0x#### form
tnhnrl 62:d502889e74f1 1472
tnhnrl 62:d502889e74f1 1473 _data_packet.push_back(_total_number_of_packets/256); //total number of packets, 0x#### form
tnhnrl 62:d502889e74f1 1474 _data_packet.push_back(_total_number_of_packets%256); //total number of packets, 0x#### form
tnhnrl 62:d502889e74f1 1475
tnhnrl 62:d502889e74f1 1476 _data_packet.push_back(_current_line_length);
tnhnrl 62:d502889e74f1 1477
tnhnrl 62:d502889e74f1 1478 //DATA FROM INTEGER ARRAY (read the array)
tnhnrl 62:d502889e74f1 1479 for (int i = 0; i < payload_length; i++) {
tnhnrl 62:d502889e74f1 1480 _data_packet.push_back(data_buffer[i]);
tnhnrl 62:d502889e74f1 1481 }
tnhnrl 62:d502889e74f1 1482
tnhnrl 62:d502889e74f1 1483 //CRC CALCULATIONS BELOW, character version of calculation screws up on null character 0x00, scrapped and using vector of integers
tnhnrl 62:d502889e74f1 1484 int crc_one = calcCrcOne();
tnhnrl 62:d502889e74f1 1485 int crc_two = calcCrcTwo();
tnhnrl 62:d502889e74f1 1486
tnhnrl 62:d502889e74f1 1487 //place the crc bytes into the data packet that is transmitted
tnhnrl 62:d502889e74f1 1488 _data_packet.push_back(crc_one);
tnhnrl 62:d502889e74f1 1489 _data_packet.push_back(crc_two);
tnhnrl 62:d502889e74f1 1490 }
tnhnrl 62:d502889e74f1 1491
tnhnrl 62:d502889e74f1 1492 void MbedLogger::sendStatus() {
tnhnrl 62:d502889e74f1 1493 led3() = !led3();
tnhnrl 62:d502889e74f1 1494 //readPacketInSeries() //uses this functionality
tnhnrl 62:d502889e74f1 1495
tnhnrl 62:d502889e74f1 1496 //get data depth, pitch, heading, timer
tnhnrl 62:d502889e74f1 1497
tnhnrl 62:d502889e74f1 1498 //store the data as a hex char array
tnhnrl 62:d502889e74f1 1499 char hex_char_depth[256];
tnhnrl 62:d502889e74f1 1500 char hex_char_pitch[256];
tnhnrl 62:d502889e74f1 1501 char hex_char_heading[256];
tnhnrl 62:d502889e74f1 1502 char hex_char_timer[256];
tnhnrl 62:d502889e74f1 1503
tnhnrl 62:d502889e74f1 1504 string string_hex_buffer = ""; //buffer to store the hex data as a string
tnhnrl 62:d502889e74f1 1505 string string_temp; // ELIMINATE THIS ASAP
tnhnrl 62:d502889e74f1 1506
tnhnrl 62:d502889e74f1 1507 float depth_value = depthLoop().getPosition();
tnhnrl 62:d502889e74f1 1508 float pitch_value = imu().getPitch();
tnhnrl 62:d502889e74f1 1509 float heading_value = imu().getHeading();
tnhnrl 63:6cb0405fc6e6 1510 //float timer_value = stateMachine().getTimer();
tnhnrl 63:6cb0405fc6e6 1511 float timer_value = 123.123;
tnhnrl 62:d502889e74f1 1512
tnhnrl 62:d502889e74f1 1513 sprintf(hex_char_depth, "%08X" , *(unsigned int*)&depth_value);
tnhnrl 62:d502889e74f1 1514 sprintf(hex_char_pitch, "%08X" , *(unsigned int*)&pitch_value);
tnhnrl 62:d502889e74f1 1515 sprintf(hex_char_heading, "%08X" , *(unsigned int*)&heading_value);
tnhnrl 62:d502889e74f1 1516 sprintf(hex_char_timer, "%08X" , *(unsigned int*)&timer_value);
tnhnrl 62:d502889e74f1 1517
tnhnrl 62:d502889e74f1 1518 //store the integer values
tnhnrl 62:d502889e74f1 1519 int hex_to_int[128];
tnhnrl 62:d502889e74f1 1520
tnhnrl 62:d502889e74f1 1521 //read through hex string and break apart into chunks and save the decimal values
tnhnrl 62:d502889e74f1 1522 int hex_counter = 0;
tnhnrl 62:d502889e74f1 1523
tnhnrl 62:d502889e74f1 1524 //////////////////////////
tnhnrl 62:d502889e74f1 1525 string_hex_buffer = hex_char_depth;
tnhnrl 62:d502889e74f1 1526
tnhnrl 62:d502889e74f1 1527 for (int i = 0; i < 8; i = i+2) {
tnhnrl 62:d502889e74f1 1528 //substring starts at x substr(x, length of substring)
tnhnrl 62:d502889e74f1 1529 string_temp = string_hex_buffer.substr(i,2); // get substring from string (converted from char array)
tnhnrl 62:d502889e74f1 1530
tnhnrl 62:d502889e74f1 1531 //convoluted, fix this!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tnhnrl 62:d502889e74f1 1532 // copying the contents of the string to char array
tnhnrl 62:d502889e74f1 1533 char temp_char_array[256];
tnhnrl 62:d502889e74f1 1534 strcpy(temp_char_array, string_temp.c_str());
tnhnrl 62:d502889e74f1 1535
tnhnrl 62:d502889e74f1 1536 //store char array hex value as decimal value
tnhnrl 62:d502889e74f1 1537 int decimal_value;
tnhnrl 62:d502889e74f1 1538 sscanf(temp_char_array,"%x",&decimal_value);
tnhnrl 62:d502889e74f1 1539
tnhnrl 62:d502889e74f1 1540 hex_to_int[hex_counter] = decimal_value;
tnhnrl 62:d502889e74f1 1541 hex_counter++; //iterate to keep up with for loop
tnhnrl 62:d502889e74f1 1542
tnhnrl 62:d502889e74f1 1543 //clear the string each time
tnhnrl 62:d502889e74f1 1544 //string_temp = "";
tnhnrl 62:d502889e74f1 1545 //cout << "string_temp CLEARED? is " << string_temp << endl;
tnhnrl 62:d502889e74f1 1546 //cout << "string_temp is " << string_temp << " and the value is " << decimal_value << endl;
tnhnrl 62:d502889e74f1 1547 }
tnhnrl 62:d502889e74f1 1548
tnhnrl 62:d502889e74f1 1549 string_hex_buffer = hex_char_pitch;
tnhnrl 62:d502889e74f1 1550
tnhnrl 62:d502889e74f1 1551 for (int i = 0; i < 8; i = i+2) {
tnhnrl 62:d502889e74f1 1552 //substring starts at x substr(x, length of substring)
tnhnrl 62:d502889e74f1 1553 string_temp = string_hex_buffer.substr(i,2);
tnhnrl 62:d502889e74f1 1554
tnhnrl 62:d502889e74f1 1555 //convoluted, fix this!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tnhnrl 62:d502889e74f1 1556 // copying the contents of the string to char array
tnhnrl 62:d502889e74f1 1557 char temp_char_array[256];
tnhnrl 62:d502889e74f1 1558 strcpy(temp_char_array, string_temp.c_str());
tnhnrl 62:d502889e74f1 1559
tnhnrl 62:d502889e74f1 1560 //store char array hex value as decimal value
tnhnrl 62:d502889e74f1 1561 int decimal_value;
tnhnrl 62:d502889e74f1 1562 sscanf(temp_char_array,"%x",&decimal_value);
tnhnrl 62:d502889e74f1 1563
tnhnrl 62:d502889e74f1 1564 hex_to_int[hex_counter] = decimal_value;
tnhnrl 62:d502889e74f1 1565 hex_counter++; //iterate to keep up with for loop
tnhnrl 62:d502889e74f1 1566
tnhnrl 62:d502889e74f1 1567 //clear the string each time
tnhnrl 62:d502889e74f1 1568 //string_temp = "";
tnhnrl 62:d502889e74f1 1569 //cout << "string_temp CLEARED? is " << string_temp << endl;
tnhnrl 62:d502889e74f1 1570 //cout << "string_temp is " << string_temp << " and the value is " << decimal_value << endl;
tnhnrl 62:d502889e74f1 1571 }
tnhnrl 62:d502889e74f1 1572
tnhnrl 62:d502889e74f1 1573 string_hex_buffer = hex_char_heading;
tnhnrl 62:d502889e74f1 1574
tnhnrl 62:d502889e74f1 1575 for (int i = 0; i < 8; i = i+2) {
tnhnrl 62:d502889e74f1 1576 //substring starts at x substr(x, length of substring)
tnhnrl 62:d502889e74f1 1577 string_temp = string_hex_buffer.substr(i,2);
tnhnrl 62:d502889e74f1 1578
tnhnrl 62:d502889e74f1 1579 //convoluted, fix this!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tnhnrl 62:d502889e74f1 1580 // copying the contents of the string to char array
tnhnrl 62:d502889e74f1 1581 char temp_char_array[256];
tnhnrl 62:d502889e74f1 1582 strcpy(temp_char_array, string_temp.c_str());
tnhnrl 62:d502889e74f1 1583
tnhnrl 62:d502889e74f1 1584 //store char array hex value as decimal value
tnhnrl 62:d502889e74f1 1585 int decimal_value;
tnhnrl 62:d502889e74f1 1586 sscanf(temp_char_array,"%x",&decimal_value);
tnhnrl 62:d502889e74f1 1587
tnhnrl 62:d502889e74f1 1588 hex_to_int[hex_counter] = decimal_value;
tnhnrl 62:d502889e74f1 1589 hex_counter++; //iterate to keep up with for loop
tnhnrl 62:d502889e74f1 1590
tnhnrl 62:d502889e74f1 1591 //clear the string each time
tnhnrl 62:d502889e74f1 1592 //string_temp = "";
tnhnrl 62:d502889e74f1 1593 //cout << "string_temp CLEARED? is " << string_temp << endl;
tnhnrl 62:d502889e74f1 1594 //cout << "string_temp is " << string_temp << " and the value is " << decimal_value << endl;
tnhnrl 62:d502889e74f1 1595 }
tnhnrl 62:d502889e74f1 1596
tnhnrl 62:d502889e74f1 1597 string_hex_buffer = hex_char_timer;
tnhnrl 62:d502889e74f1 1598
tnhnrl 62:d502889e74f1 1599 for (int i = 0; i < 8; i = i+2) {
tnhnrl 62:d502889e74f1 1600 //substring starts at x substr(x, length of substring)
tnhnrl 62:d502889e74f1 1601 string_temp = string_hex_buffer.substr(i,2);
tnhnrl 62:d502889e74f1 1602
tnhnrl 62:d502889e74f1 1603 //convoluted, fix this!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tnhnrl 62:d502889e74f1 1604 // copying the contents of the string to char array
tnhnrl 62:d502889e74f1 1605 char temp_char_array[256];
tnhnrl 62:d502889e74f1 1606 strcpy(temp_char_array, string_temp.c_str());
tnhnrl 62:d502889e74f1 1607
tnhnrl 62:d502889e74f1 1608 //store char array hex value as decimal value
tnhnrl 62:d502889e74f1 1609 int decimal_value;
tnhnrl 62:d502889e74f1 1610 sscanf(temp_char_array,"%x",&decimal_value);
tnhnrl 62:d502889e74f1 1611
tnhnrl 62:d502889e74f1 1612 hex_to_int[hex_counter] = decimal_value;
tnhnrl 62:d502889e74f1 1613 hex_counter++; //iterate to keep up with for loop
tnhnrl 62:d502889e74f1 1614
tnhnrl 62:d502889e74f1 1615 //clear the string each time
tnhnrl 62:d502889e74f1 1616 //string_temp = "";
tnhnrl 62:d502889e74f1 1617 //cout << "string_temp CLEARED? is " << string_temp << endl;
tnhnrl 62:d502889e74f1 1618 //cout << "string_temp is " << string_temp << " and the value is " << decimal_value << endl;
tnhnrl 62:d502889e74f1 1619 }
tnhnrl 62:d502889e74f1 1620 //////////////////////////
tnhnrl 62:d502889e74f1 1621
tnhnrl 62:d502889e74f1 1622 //create new packet based on int array
tnhnrl 62:d502889e74f1 1623 _packet_number = 1; // TEST, FIX THIS
tnhnrl 62:d502889e74f1 1624 _total_number_of_packets = 1;
tnhnrl 62:d502889e74f1 1625 _current_line_length = 16;
tnhnrl 62:d502889e74f1 1626
tnhnrl 62:d502889e74f1 1627 intCreateDataPacket(hex_to_int,16);
tnhnrl 62:d502889e74f1 1628
tnhnrl 62:d502889e74f1 1629
tnhnrl 62:d502889e74f1 1630 transmitDataPacket();
tnhnrl 63:6cb0405fc6e6 1631 }
tnhnrl 63:6cb0405fc6e6 1632
tnhnrl 68:8f549749b8ce 1633 void MbedLogger::setTransmitPacketNumber(int packet_number) {
tnhnrl 68:8f549749b8ce 1634 _transmit_packet_num = packet_number;
tnhnrl 69:919ac8d7e023 1635
tnhnrl 69:919ac8d7e023 1636 //also needed to reset a boolean flag on the transmit
tnhnrl 69:919ac8d7e023 1637 _fsm_transmit_complete = false;
tnhnrl 73:f6f378311c8d 1638
tnhnrl 73:f6f378311c8d 1639 _end_transmit_packet = false;
tnhnrl 72:250b2665755c 1640 }
tnhnrl 72:250b2665755c 1641
tnhnrl 72:250b2665755c 1642 int MbedLogger::currentPacketNumber() {
tnhnrl 72:250b2665755c 1643 return _packet_number;
tnhnrl 62:d502889e74f1 1644 }