most functionality to splashdwon, find neutral and start mission. short timeouts still in code for testing, will adjust to go directly to sit_idle after splashdown
Dependencies: mbed MODSERIAL FATFileSystem
Diff: MbedLogger/MbedLogger.cpp
- Revision:
- 46:030be9f5c793
- Child:
- 47:fb3c7929d3f3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MbedLogger/MbedLogger.cpp Thu Feb 15 02:40:30 2018 +0000 @@ -0,0 +1,1207 @@ +#include "MbedLogger.hpp" +#include "StaticDefs.hpp" + +MbedLogger::MbedLogger(string file_system_input_string) { + _file_system_string = file_system_input_string; + + _full_file_path_string = _file_system_string + "LOG000.csv"; + + _f = 0; + _file_number = 0; + + _file_transmission = true; + + _confirmed_packet_number = 0; //must set this to zero + + _transmit_counter = 0; + + _file_transmission_state = -1; + + _total_number_of_packets = 0; + + _mbed_transmit_loop = false; + + _SD_file_name_string = ""; + + _file_transmission_complete = false; +} + +//this function has to be called for the time to function correctly +void MbedLogger::setLogTime() { + pc().printf("\nMbed Log time set.\n\r"); + set_time(1518467832); // Set RTC time to Mon, 12 FEB 2018 15:37 +} + +//in the future create the ability to set the start time +int MbedLogger::getSystemTime() { + time_t seconds = time(NULL); // Time as seconds since January 1, 1970 + + return seconds; +} + +void MbedLogger::copySDFile() { +} + +//function is a work in progress +void MbedLogger::openSDFile() { + //create a file for writing to it (overwrites existing file) (do not close it until other operations are complete) + + //write this as a string... + char char_buffer[50]; + sprintf(char_buffer, "L%d.csv", getSystemTime()); + + + _SD_file_name_string = _file_system_string + char_buffer; + _fp = fopen(_SD_file_name_string.c_str(), "w"); + + //write the header + 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\n"); + + // added pitchRate_degs (degrees per second) + // added depthRate_fps (feet per second) + + pc().printf("SD CARD FILE IS %s\n\r", _SD_file_name_string.c_str()); +} + +void MbedLogger::saveDataToFile(int input_state, float *input) { + //write to the file (header and data) + fprintf(_fp, "%d,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f\n",input_state,input[0],input[1],input[2],input[3],input[4],input[5],input[6],input[7],input[8],input[9],input[10]); +} + +void MbedLogger::recordData(int current_state) { + int data_log_int = mbedLogger().getSystemTime(); //read the system timer to get unix timestamp + //_data_log[0] = mbedLogger().getSystemTime(); //read the system timer to get unix timestamp + _data_log[1] = depthLoop().getCommand(); //depth command + _data_log[2] = depthLoop().getPosition(); //depth reading + _data_log[3] = pitchLoop().getCommand(); //pitch command + _data_log[4] = pitchLoop().getPosition(); //pitch reading + _data_log[5] = bce().getSetPosition_mm(); //BCE command + _data_log[6] = bce().getPosition_mm(); //BCE reading + _data_log[7] = batt().getSetPosition_mm(); //Batt command + _data_log[8] = batt().getPosition_mm(); //Batt reading + _data_log[9] = pitchLoop().getVelocity(); // pitchRate_degs (degrees per second) + _data_log[10] = depthLoop().getVelocity(); // depthRate_fps (feet per second) + + //check what the current state is and create that string + string string_state; + if (current_state == SIT_IDLE) + string_state = "SIT_IDLE"; + else if (current_state == FIND_NEUTRAL) + string_state = "FIND_NEUTRAL"; + else if (current_state == DIVE) + string_state = "DIVE"; + else if (current_state == RISE) + string_state = "RISE"; + else if (current_state == FLOAT_LEVEL) + string_state = "FLOAT_LEVEL"; + else if (current_state == FLOAT_BROADCAST) + string_state = "FLOAT_BROADCAST"; + else if (current_state == EMERGENCY_CLIMB) + string_state = "EMERGENCY_CLIMB"; + else if (current_state == MULTI_DIVE) + string_state = "MULTI_DIVE"; + else if (current_state == MULTI_RISE) + string_state = "MULTI_RISE"; + else if (current_state == KEYBOARD) + string_state = "KEYBOARD"; + + //record the string state, integer state, and then the data + fprintf(_fp, "%s,%d,",string_state.c_str(),current_state); + fprintf(_fp, "%d,",data_log_int); + fprintf(_fp, "%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f\n",_data_log[1], + _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]); +} + +void MbedLogger::printMbedDirectory() { + DIR *dir; + struct dirent *dp; //dirent.h is the format of directory entries + int log_found =0,loop=0; + long int temp=0; + + //char * char_pointer; + char * numstart; + //char *numstop; + + pc().printf("\n\rPrinting out the directory of device %s\n\r", _file_system_string.c_str()); + + if ( NULL == (dir = opendir( _file_system_string.c_str() )) ) { + pc().printf("MBED directory could not be opened\r\n"); + } + else + { + while ( NULL != (dp = readdir( dir )) ) + { + if(strncmp(dp->d_name,"LOG",3)==0) + { + log_found=1; + /*numstart = dp->d_name; //Look for third character (do safety) + numstop = strchr(dp->d_name,'.'); + if(numstart!=NULL&&numstop!=NULL) + { + temp=numstop-numstart; + } + else + log_found=0; //Something is not right. Ignore + */ + numstart=dp->d_name+3; + temp=strtol(numstart,NULL,10); //add in check to see if this is null (start logs at one) + } + else + log_found=0; + pc().printf( "%d. %s (log file: %d, %d)\r\n", loop, dp->d_name,log_found,temp); + + loop++; + } + } +} + +void MbedLogger::printCurrentLogFile() { + //open the file for reading + string file_name_string = _file_system_string + "LOG000.csv"; + + _fp = fopen(file_name_string.c_str(), "r"); + + // http://people.cs.uchicago.edu/~dmfranklin/tutorials/fgets.txt + + //while not end of file, read through line by line??? + char buffer[500]; + + //read the file line by line (and print each line) + pc().printf("\n\rCURRENT MBED LOG FILE /local/Log%03d.csv:\n\n\r",_file_number); + while (!feof(_fp)) { + // read in the line and make sure it was successful + if (fgets(buffer,500,_fp) != NULL) { + pc().printf("%s\r",buffer); + } + } + + //close the file + closeLogFile(); + pc().printf("\n\rLog file closed.\n\r"); +} + +void MbedLogger::openFileForTransmit() { + pc().printf("\n\ropenFileForTransmit\n\r"); + //open the current file to read the contents + string file_name_string = _file_system_string + "LOG000.csv"; + + _fp = fopen(file_name_string.c_str(), "r"); + + _file_transmission = true; +} + +void MbedLogger::transmitCurrentLogFileLine(bool next_line) { + vector <int> current_packet; + + pc().printf("\n\rtransmitCurrentLogFile\n\r"); + + //while not end of file, read through line by line??? + + //transmit the file line by line (reads one line) + //if you get the command to send a new line, go to the next line + if (next_line) { + if (fgets(_line_buffer,256,_fp) != NULL) { + pc().printf("%s\r",_line_buffer); + } + } + + // GET BUFFER LENGTH + _current_line_length = strlen(_line_buffer); + + //DEBUG PRINT TO SCREEN + pc().printf("line_buffer size: %d %<%s>\r",_current_line_length,_line_buffer); +} + +void MbedLogger::createDataPacket() { + //pc().printf("createDataPacket\n\r"); + + // packet is 7565 0001 FFFF DATA DATA DATA ... CRC1 CRC2 + + //CLEAR: Removes all elements from the vector (which are destroyed), leaving the container with a size of 0. + _data_packet.clear(); + + //DATA PACKET HEADER + _data_packet.push_back(117); //0x75 + _data_packet.push_back(101); //0x65 + + _data_packet.push_back(_packet_number/256); //current packet number in 0x#### form + _data_packet.push_back(_packet_number%256); //current packet number in 0x#### form + + _data_packet.push_back(_total_number_of_packets/256); //total number of packets, 0x#### form + _data_packet.push_back(_total_number_of_packets%256); //total number of packets, 0x#### form + + _data_packet.push_back(_current_line_length); + + //DATA FROM LINE READ (read string character by chracter) + for (int i = 0; i < _current_line_length; i++) { + _data_packet.push_back(_line_buffer[i]); + } + + //CRC CALCULATIONS BELOW + //character version of calculation screws up on null character 0x00, scrapped and using vector of integers + + int crc_one = calcCrcOne(); + int crc_two = calcCrcTwo(); + + //place the crc bytes into the data packet that is transmitted + _data_packet.push_back(crc_one); + _data_packet.push_back(crc_two); +} + +//should i save it as a string and transmit the string? next iteration maybe + +void MbedLogger::transmitDataPacket() { + //WRITE the data (in bytes) to the serial port + for (_it=_data_packet.begin(); _it < _data_packet.end(); _it++) { + pc().putc(*_it); //send integers over serial port one byte at a time + } +} + +// REACH ONE CHAR AT A TIME (EACH ITERATION OF STATE MACHINE...) + +void MbedLogger::readTransmitPacketOneChar() { + _file_transmission = true; + _file_transmission_state = 0; + + //first check if you're receiving data, then read four bytes + + static int transmit_state = HEADER_117; //for state machine + + int incoming_byte = -1; + + int requested_packet_number = -1; + + static int inside_while_loop = 1; + + static char input_packet[4]; + + static int transmit_crc_one = 0; + static int transmit_crc_two = 0; + + static int random_packet_counter = 0; + + if (pc().readable()) { //don't rely on pc readable being open all the time + incoming_byte = pc().getc(); + led2() = !led2(); + + } + + switch(transmit_state) { + + case (HEADER_117): + random_packet_counter = 0; + //pc().printf("SC %x (%d)\n\r", incoming_byte, transmit_state); + //continue processing + if (incoming_byte == 30){ //1E + //pc().printf("byte one \n\r"); + transmit_state = HEADER_101; + led3() = !led3(); + + random_packet_counter = 0; //successful read + } + //end transmission + else if (incoming_byte == 16) { + transmit_state = END_TRANSMISSION; + random_packet_counter = 0; //successful read + } + else { + transmit_state = HEADER_117; //go back to checking the first packet + + random_packet_counter++; //UNSUCCESSFUL READ + + if (random_packet_counter > 10) { + transmit_state = END_TRANSMISSION; + } + } + break; + + case (HEADER_101): + if(incoming_byte == 31) { //1F + //pc().printf("byte two \n\r"); + transmit_state = TRANSMIT_PACKET_1; + led4() = !led4(); + } + break; + + case (TRANSMIT_PACKET_1): + if (incoming_byte >= 0) { + input_packet[0] = 30; + input_packet[1] = 31; + input_packet[2] = incoming_byte; + + transmit_state = TRANSMIT_PACKET_2; + _reply_byte3 = incoming_byte; + //pc().printf("byte three \n\r"); + } + break; + + case (TRANSMIT_PACKET_2): + if (incoming_byte >= 0) { + input_packet[3] = incoming_byte; + _reply_byte4 = incoming_byte; + //pc().printf("byte four \n\r"); + } + transmit_state = PACKET_CRC_ONE; + + break; + + case (PACKET_CRC_ONE): + transmit_crc_one = calcCrcOneString(input_packet); + transmit_state = PACKET_CRC_TWO; + break; + + case (PACKET_CRC_TWO): + transmit_crc_two = calcCrcTwoString(input_packet); + transmit_state = HEADER_117; + + + + requested_packet_number = _reply_byte3 * 256 + _reply_byte4; //compute the numbers 0 through 65535 with the two bytes + + //pc().printf("req packet number is %d\n\r", requested_packet_number); + + if (requested_packet_number != _previous_reply_byte) { //CHANGE THE NAME TO SOMETHING NOT BYTE! + //MUST SET THE PACKET NUMBER + _packet_number = requested_packet_number; + + // DO NOT READ IF THE CURRENT REQUEST IS PAST THE TOTAL # OF PACKETS (lines of the file) + if (_packet_number <= _total_number_of_packets) { + readPacketInSeries(); + createDataPacket(); + } + + _previous_reply_byte = requested_packet_number; //RECORD THIS BYTE to prevent new packets being created + + //pc().printf("DEBUG IF transmitDataPacket\n\r"); + transmitDataPacket(); //continuously transmit current packet until it tells you to do the next packet (response from Python program) + } + + else { + //inside_while_loopc().printf("DEBUG: TRANSMIT SAME PACKET #%d\n\r", _packet_number); + transmitDataPacket(); + //pc().printf("DEBUG ELSE transmitDataPacket\n\r"); + } + + break; + + case END_TRANSMISSION: + _file_transmission_complete = true; //this triggers an exit on the state machine + break; + } //end of switch statement + + //once you're outside of the while loop + inside_while_loop = true; //for next iteration + + /* pc().printf("DEBUG: (readTransmitPacket) Outside of while loop\n\r"); */ +} + +int MbedLogger::readTransmitPacket() { + _file_transmission = true; + _file_transmission_state = 0; + + //first check if you're receiving data, then read four bytes + + int transmit_state = 0; //for state machine + + int incoming_byte = -1; + + int requested_packet_number = -1; + + static int inside_while_loop = 1; + + while (inside_while_loop) { + if (pc().readable()) { //don't rely on pc readable being open all the time + + incoming_byte = pc().getc(); + + switch(transmit_state) { + + case (HEADER_117): + //continue processing + if (incoming_byte == 117){ + transmit_state = HEADER_101; + } + //end transmission + else if (incoming_byte == 16) { + transmit_state = END_TRANSMISSION; + } + else { + transmit_state = HEADER_117; + } + break; + + case (HEADER_101): + if(incoming_byte == 101) { + transmit_state = TRANSMIT_PACKET_1; + } + break; + + case (TRANSMIT_PACKET_1): + if (incoming_byte >= 0) { + transmit_state = TRANSMIT_PACKET_2; + _reply_byte3 = incoming_byte; + } + break; + + case (TRANSMIT_PACKET_2): + if (incoming_byte >= 0) { + _reply_byte4 = incoming_byte; + } + + requested_packet_number = _reply_byte3 * 256 + _reply_byte4; //compute the numbers 0 through 65535 with the two bytes + + if (requested_packet_number != _previous_reply_byte) { //CHANGE THE NAME TO SOMETHING NOT BYTE! + //MUST SET THE PACKET NUMBER + _packet_number = requested_packet_number; + + readPacketInSeries(); + createDataPacket(); + _previous_reply_byte = requested_packet_number; //RECORD THIS BYTE to prevent new packets being created + + transmitDataPacket(); //continuously transmit current packet until it tells you to do the next packet (response from Python program) + } + + else { + //inside_while_loopc().printf("DEBUG: TRANSMIT SAME PACKET #%d\n\r", _packet_number); + transmitDataPacket(); + } + + //TRANSMIT_PACKET_2 + inside_while_loop = 0; //exit the while loop with this + pc().printf("(TRANSMIT_PACKET_2)reached inside_while_loop = 0\n\r"); //DEBUG + break; + } //end of switch statement + } //end of while loop + +// else { +// //pc().printf("pc not readable \n\r"); +// } +// + } + + //once you're outside of the while loop + inside_while_loop = true; //for next iteration + + pc().printf("DEBUG: (readTransmitPacket) Outside of while loop\n\r"); + return false; +} + +void MbedLogger::reOpenLineReader() { + //open a new one + string file_name_string = _file_system_string + "LOG000.csv"; + + _fp = fopen(file_name_string.c_str(), "r"); //open the log file to read + + //check if this actually worked... + if (!_fp) { + pc().printf("ERROR: Log file could not be opened\n\r"); + } + else { + pc().printf("Current Log file (LOG000.csv) was opened.\n\r"); + } +} + +bool MbedLogger::openLineReader() { + string file_name_string = _file_system_string + "LOG000.csv"; + + _fp = fopen(file_name_string.c_str(), "r"); //open the log file to read + + //check if this actually worked... + if (!_fp) { + //pc().printf("ERROR: Log file could not be opened\n\r"); + return false; + } + else { + //pc().printf("Current Log file (LOG000.csv) was opened.\n\r"); + return true; + } +} + +//VERIFIED THIS IS WORKING +void MbedLogger::readPacketInSeries(){ + 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 + + //pc().printf("readPacketInSeries pointer: %p\n\r", _fp); + + //read the current line in the file + fgets(_line_buffer, 256, _fp); //reads the line of characters until you reach a newline character + + //RECORD THE STRING LENGTH + _current_line_length = strlen(_line_buffer); + //pc().printf("_current_line_length: %D\n\r", _current_line_length); +} + +void MbedLogger::getNumberOfPacketsInCurrentLog() { + _file_transmission_complete = false; //not sure this is working correctly + _packet_number = 0; + + int ch; + + _total_number_of_packets = 0; //clear this each time you read the file + + //if this is null, use the default, else use the new file + + if (_fp == NULL) { + string file_name_string = _file_system_string + "LOG000.csv"; + + _fp = fopen(file_name_string.c_str(), "r"); //open the log file to read + } + else { //else, use the file that is already open... + fseek(_fp, 0, SEEK_SET); // SEEK_SET is the beginning of file + } + + while (EOF != (ch=getc(_fp))) { + if ('\n' == ch) + _total_number_of_packets++; // records the number of new lines to determine how many packets to send + } + + pc().printf("There are %d lines/packets in the file.\n\r", _total_number_of_packets); + + + //move the FILE pointer back to the start + fseek(_fp, 0, SEEK_SET); // SEEK_SET is the beginning of file + + _file_transmission = true; //preparing to transmit files from MBED to Python +} + +void MbedLogger::endTransmissionCloseFile() { + // if the file pointer is null, the file was not opened in the first place + if (!_fp) { + pc().printf("\n endTransmissionCloseFile: FILE WAS NOT OPENED!\n\r"); + } + else { + pc().printf("\n endTransmissionCloseFile: FILE FOUND AND CLOSED!\n\r"); + closeLogFile(); + } + + _file_transmission = false; +} + +void MbedLogger::openWriteFile() { + pc().printf("Opening file for reception.\n\r"); + + string file_name_string = _file_system_string + "LOG000.csv"; + + _fp = fopen(file_name_string.c_str(), "w"); +} + +// function checks for incoming data (receiver function) from a Python program that transmits a file +bool MbedLogger::checkForIncomingData() { + int receive_packet_number; + int receive_total_number_packets; + int receive_packet_size; + + bool data_transmission_complete = false; + + int incoming_byte; + + char char_buffer[256] = {}; //create empty buffer + + //starting state + int process_state = HEADER_117; + + //variables for processing data below + int checksum_one = -1; + int checksum_two = -1; + + int calculated_crc_one = -1 ; + int calculated_crc_two = -1; + + int i = 5; + int serial_timeout = 0; + + while (pc().readable() && !data_transmission_complete) { + incoming_byte = pc().getc(); //getc returns an unsigned char cast to an int + //pc().printf("DEBUG: State 0\n\r"); + + switch(process_state) { + case HEADER_117: + //continue processing + if (incoming_byte == 117){ + process_state = HEADER_101; + //pc().printf("DEBUG: Case 117\n\r"); + } + //end transmission + else if (incoming_byte == 16) { + process_state = END_TRANSMISSION; + pc().printf("DEBUG: State 16 (END_TRANSMISSION)\n\r"); + } + else { + process_state = HEADER_117; // ??? + //pc().printf("DEBUG: State Header 117\n\r"); + } + break; + + case HEADER_101: + if(incoming_byte == 101) { + process_state = PACKET_NUM; + //pc().printf("DEBUG: Case 101\n\r"); + } + break; + + case PACKET_NUM: + receive_packet_number = incoming_byte; + process_state = TOTAL_NUM_PACKETS; + //pc().printf("DEBUG: Case PACKET_NUM\n\r"); + break; + + case TOTAL_NUM_PACKETS: + receive_total_number_packets = incoming_byte; + process_state = PACKET_SIZE; + //pc().printf("DEBUG: Case TOTAL_NUM_PACKETS\n\r"); + break; + + case PACKET_SIZE: + receive_packet_size = incoming_byte; + //pc().printf("DEBUG: Case PACKET_SIZE\n\r"); + + //write the header stuff to it + char_buffer[0] = 117; + char_buffer[1] = 101; + char_buffer[2] = receive_packet_number; + char_buffer[3] = receive_total_number_packets; + char_buffer[4] = receive_packet_size; + + //pc().printf("DEBUG: after header\n\r"); + + //char temp_char = NULL; //TEST IDEA 1/12/2018 + + //process packet data + //pc().printf("DEBUG: receive_packet_size %d\n\r", receive_packet_size); + //append for larger data sizes, FF FF + + // IF YOU GET AN INTERRUPTED DATA STREAM YOU NEED TO BREAK OUT OF THE LOOP + i = 5; + serial_timeout = 0; + + while (true) { + if (pc().readable()) { + char_buffer[i] = pc().getc(); + i++; + + serial_timeout = 0; //reset the timeout + + //pc().printf("pc readable?\n\r"); + } + else { + serial_timeout++; + //pc().printf("serial_timeout %d\n\r", serial_timeout); + } + + // FULL PACKET RECEIVED + if (i >= receive_packet_size+5) { //cannot do this properly with a for loop + //pc().printf("i is %d\n\r", i); + + checksum_one = pc().getc(); + checksum_two = pc().getc(); + + calculated_crc_one = calcCrcOneString(char_buffer); + calculated_crc_two = calcCrcTwoString(char_buffer); + + //if both checksums work... + if ((calculated_crc_one == checksum_one) and (calculated_crc_two == checksum_two)) { + //print a subset of the character array by starting at 5 (after header) + fprintf(_fp, "%s", char_buffer+5); + + _confirmed_packet_number = receive_packet_number; + } + + process_state = HEADER_117; + + break; + } + + if (serial_timeout >= 10000) { + //pc().printf("break serial_timeout %d\n\r", serial_timeout); + break; + } + } + break; + + case END_TRANSMISSION: + if (pc().getc() == 16) { + pc().printf("TROY, you're here. 1. \n\r"); + + if (pc().getc() == 16) { + pc().printf("TROY, you're here. 2. \n\r"); + + endReceiveData(); + } + } + + pc().printf("TROY, you're here. 5. \n\r"); + + //process_state = HEADER_117; //don't do this unless the check is wrong + pc().printf("END_TRANSMISSION process_state is %d\n\r", process_state); //should be 5 (debug) 02/06/2018 + data_transmission_complete = true; + break; + }//END OF SWITCH + + if (data_transmission_complete) { + pc().printf("if statement data_transmission_complete ??? \n\r"); + break; //out of while loop + } + } // while loop + + //pc().printf("checkForIncomingData done???\n\r"); //debug + + if (data_transmission_complete) + return false; //tell state machine class that this is done (not transmitting, false) + else { + return true; + } +} + +int MbedLogger::sendReply() { + //being explicit in what's being transmitted + + //change this method to be more explicit later + + //integer vector _data_packet is used here, cleared fist just in case + + _data_packet.clear(); //same data packet for transmission + _data_packet.push_back(117); + _data_packet.push_back(101); + + //_confirmed_packet_number comes from the packet number that is sent from the Python program + _data_packet.push_back(_confirmed_packet_number / 256); //packet number only changed when confirmed + _data_packet.push_back(_confirmed_packet_number % 256); //split into first and second byte + + //compute checksums + + int receiver_crc_one = calcCrcOne(); + int receiver_crc_two = calcCrcTwo(); + + _data_packet.push_back(receiver_crc_one); + _data_packet.push_back(receiver_crc_two); + + //transmit this packet + for (_it=_data_packet.begin(); _it < _data_packet.end(); _it++) { + pc().putc(*_it); //send integers over serial port one byte at a time + } + + //change process methodology later... + + return _confirmed_packet_number; +} + +//void MbedLogger::sendReplyPacketNumber(int packet_number) { +// //being explicit in what's being transmitted +// pc().putc(117); +// pc().putc(101); +// pc().putc(packet_number / 256); //this removes the trailing byte +// pc().putc(packet_number % 256); //remainder gives you second byte (removes first byte) +// pc().putc(packet_number); +// +// //not sure a checksum is needed here, I'll test behavior +// //example is a reply of 75 65 03 03 03 (telling Python program you received packet # 3) +//} + +//DLE character * 4 ==> 10 10 10 10 +void MbedLogger::endReceiveData() { + closeLogFile(); //close the file here + pc().printf("endReceiveData closed the file and ended transmission\n\r"); +} + +int MbedLogger::calcCrcOne() { + //can't initialize the table in the constructor in c++ + 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}; + + int crc = 0; + for (_it=_data_packet.begin(); _it < _data_packet.end(); _it++) + crc = (crc_table[(*_it ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF; + + return crc / 256; //second-to-last byte +} + +int MbedLogger::calcCrcTwo() { + 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}; + + int crc = 0; + for (_it=_data_packet.begin(); _it < _data_packet.end(); _it++) + crc = (crc_table[(*_it ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF; + + //pc().printf("DEBUG: calcCrcTwo string length: %d crc: %d\n\r", input_array.length(), crc % 256); + + return crc % 256; //last byte +} + +void MbedLogger::resetReplyPacket() { + _confirmed_packet_number = 0; +} + +void MbedLogger::openNewMissionFile() { + pc().printf("Opening Mission file (sequence.txt) for reception.\n\r"); + string file_name_string = _file_system_string + "sequence.txt"; + + pc().printf("openNewMissionFile: %s\n\r", file_name_string.c_str()); + + _fp = fopen(file_name_string.c_str(), "w"); +} + +void MbedLogger::setDataCounter(int input_counter) { + _transmit_counter = input_counter; +} + +void MbedLogger::closeIncompleteFile() { + fprintf(_fp, "TRANSMISSION INTERRUPTED!"); //write this warning to the file + closeLogFile(); //close file +} + +void MbedLogger::appendLogFile(int current_state, int option) { + //option one means write to file + + if (option == 1) { + if (!_fp) { //if not present + _fp = fopen(_full_file_path_string.c_str(), "a"); + } + + //record data using the recordData function (takes in the state integer) + recordData(current_state); + } + + else { + closeLogFile(); + } +} + +void MbedLogger::initializeLogFile() { + string file_name_string = _file_system_string + "LOG000.csv"; + + //try to open this file... + _fp = fopen(file_name_string.c_str(), "r"); + //closeLogFile(); + + //if the file is empty, create this. + if (!_fp) { + _fp = fopen(file_name_string.c_str(), "w"); //write,print,close + 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"); + closeLogFile(); + } + else + closeLogFile(); //close the opened read file +} + +int MbedLogger::fileTransmitState() { + return _file_transmission_state; +} + +int MbedLogger::calcCrcOneString (string input_string) { + 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}; + + int crc = 0; + for (unsigned int i = 0; i < input_string.length(); i++) { + //convert each character to an integer + int character_to_integer = input_string[i]; //correct + + crc = (crc_table[(character_to_integer ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF; + } + + //pc().printf("DEBUG: calcCrcOne string length: %d crc: %d\n\r", input_string.length(), crc/256); + + return crc / 256; //second-to-last byte +} + +int MbedLogger::calcCrcTwoString (string input_string) { + 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}; + + int crc = 0; + for (unsigned int i = 0; i < input_string.length(); i++) { + //convert each character to an integer + int character_to_integer = input_string[i]; //correct + + crc = (crc_table[(character_to_integer ^ crc) & 0xff] ^ (crc >> 8)) & 0xFFFF; + } + + //pc().printf("DEBUG: calcCrcTwo string length: %d crc: %d\n\r", input_string.length(), crc % 256); + + return crc % 256; //last byte +} + +int MbedLogger::testGetFileSize() { + string file_name_string = _file_system_string + "LOG000.csv"; + + _fp = fopen(file_name_string.c_str(), "rb"); //open the file for reading as a binary file + + fseek(_fp, 0, SEEK_END); //SEEK_END is a constant in cstdio (end of the file) + unsigned int file_size = ftell(_fp); //For binary streams, this is the number of bytes from the beginning of the file. + fseek(_fp, 0, SEEK_SET); //SEEK_SET is hte beginning of the file, not sure this is necessary + + closeLogFile(); //can probably just close the file pointer and not worry about position + + pc().printf("(%s) LOG000.csv file size is %d\n\r", _file_system_string.c_str(), file_size); + + if (file_size == 0) + createEmptyLog(); //this is not actually a completely empty log + + return file_size; + + // http://www.cplusplus.com/reference/cstdio/ftell/ + // https://os.mbed.com/questions/1260/How-to-read-the-LocalFileSystem-filesize/ +} + +void MbedLogger::createEmptyLog() { + string file_name_string = _file_system_string + "LOG000.csv"; + + _fp = fopen(file_name_string.c_str(), "w"); + fprintf(_fp, "EMPTY LOG\n"); //just write this string to the log (processing needs a file size that is not zero) + closeLogFile(); +} + +int MbedLogger::getFileSize(string filename) { + // fixed the const char * errror: + // https://stackoverflow.com/questions/347949/how-to-convert-a-stdstring-to-const-char-or-char + 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. + //http://www.cplusplus.com/reference/string/string/c_str/ + + _fp = fopen(filename.c_str(), "rb"); //open the file for reading as a binary file + + fseek(_fp, 0, SEEK_END); //SEEK_END is a constant in cstdio (end of the file) + unsigned int file_size = ftell(_fp); //For binary streams, this is the number of bytes from the beginning of the file. + fseek(_fp, 0, SEEK_SET); //SEEK_SET is hte beginning of the file, not sure this is necessary + + closeLogFile(); //can probably just close the file pointer and not worry about position + + pc().printf("%s file size is %d\n\r", filename.c_str(), file_size); + + return file_size; +} + +int MbedLogger::debugFileState() { + pc().printf("What is _fp right now? %p\n\r", _fp); //pointer notation + + if (_fp) + return 1; //file pointer does exist + else + return 0; //file pointer does not exist +} + +void MbedLogger::activateTransmitPacket() { + _mbed_transmit_loop = true; +} + +void MbedLogger::transmitDataWithTicker() { + getNumberOfPacketsInCurrentLog(); + + //activate ticker + _mbed_transmit_ticker.attach(callback(this, &MbedLogger::activateTransmitPacket), 0.1); // 10 hz ticker + + int transmit_data_counter = 0; //used for timeout + + //transmit data with ticker until complete or times out + while(1) { + //runs at 10 hz with ticker + if (_mbed_transmit_loop) { + led4() = !led4(); //flash LED 4 + + // transmit_data_counter = checkForTransmitPacket(); // run this until it finishes (function returns an integer) + _mbed_transmit_loop = false; // wait until the loop rate timer fires again (TICKER) + + if (transmit_data_counter >= 20) { //was 50 + _file_transmission = false; //file transmission complete + } + + if (!_file_transmission) { + + pc().printf("\n\r(_file_transmission == false) Stopped transmitting?\n\r"); + + setDataCounter(0); //reset the counter in the mbed logger + + _mbed_transmit_ticker.detach(); + + break; //break out of the while loop when transmission over + } + } + } //end of while loop +} + +void MbedLogger::specifyFileForTransmit(string input_string) { + pc().printf("specifyFileForTransmit\n\r"); + + string file_string = _file_system_string + input_string; + + pc().printf("file_string is <%s>\n\r", file_string.c_str()); + + //open this file to read + _fp = fopen(file_string.c_str(), "r"); + + //transmit that file + transmitDataWithTicker(); + + _file_transmission = true; +} + +void MbedLogger::transmitFileFromDirectory( int file_number ) { + file_number = file_number + 1; //to get the correct number + + DIR *dir; + struct dirent *dp; //dirent.h is the format of directory entries + int log_found =0, loop=1; //start file numbers at 1 + long int temp=0; + +// char * char_pointer; +// char * numstart, *numstop; + + if ( NULL == (dir = opendir( _file_system_string.c_str() )) ) { + pc().printf("MBED directory could not be opened\r\n"); + } + else + { + while ( NULL != (dp = readdir( dir )) ) + { + pc().printf( "%d. %s (log file: %d, %d)\r\n", loop, dp->d_name,log_found,temp); + + //process current file if it matches the file number + if (file_number == loop) { + char * current_file_name = dp->d_name; //pointer to this char array + + specifyFileForTransmit(current_file_name); + + break; + } + + loop++; + } + } +} + +void MbedLogger::accessMbedDirectory() { + printMbedDirectory(); + + pc().printf("Type in the number of the file you want to transmit.\n\r"); + + char message[42]; + + pc().scanf("%41s", message); + + pc().printf("Input received!\n\r"); + + //check if char array is an integer + char* conversion_pointer; + long converted = strtol(message, &conversion_pointer, 10); + + if (*conversion_pointer) { + //conversion failed because the input was not a number + pc().printf("NOT A VALID FILE NUMBER!\n\r"); + } + else { + //conversion worked! + pc().printf("You chose file number: %d\n\r", converted); + + // transmit the file + transmitFileFromDirectory(converted); + } +} + +void MbedLogger::closeLogFile() { + if (_fp == NULL){ + pc().printf("MbedLogger: (%s) LOG FILE WAS ALREADY CLOSED!\n\r", _file_system_string.c_str()); + } + + else { + pc().printf("MbedLogger: (%s) CLOSING LOG FILE!\n\r", _file_system_string.c_str()); + + //close file + fclose(_fp); + + _fp = NULL; //set pointer to zero + } +} + +void MbedLogger::closeSDLogFile() { + if (_fp == NULL){ + pc().printf("MbedLogger: (%s) SD LOG FILE WAS ALREADY CLOSED!\n\r", _SD_file_name_string.c_str()); + } + + else { + pc().printf("MbedLogger: (%s) CLOSING SD LOG FILE!\n\r", _SD_file_name_string.c_str()); + + //close file + fclose(_fp); + + _fp = NULL; //set pointer to zero + } +} + +void MbedLogger::activateReceivePacket() { + _mbed_receive_loop = true; +} + +void MbedLogger::receiveMissionDataWithTicker() { + openNewMissionFile(); //sequence.txt file opened + + _mbed_receive_ticker.attach(callback(this, &MbedLogger::activateReceivePacket), 0.1); + + pc().printf("\n\r02/09/2018 MbedLogger receiveMissionData Beginning to receive sequence data...\n\r"); + + resetReplyPacket(); //reset the reply packet + + //idea for stopping this if data not being received + int current_packet_number = 0; + int last_packet_number = -1; + int break_transmission = 0; + + while(1) { + //runs at 10 hz + if (_mbed_receive_loop) { + if (!checkForIncomingData()) { // run this until it finishes + //when you complete data reception, this will become false + pc().printf("\n\rMbedLogger: Data RECEPTION complete.\n\r"); + _mbed_receive_ticker.detach(); + break; + } + else { + //check if you keep getting the same thing + current_packet_number = sendReply(); + + //pc().printf("DEBUG: current packet number %d (last packet number %d) \n\r", current_packet_number, last_packet_number); //debug + + //let this count up a few times before it exits + if (current_packet_number == last_packet_number) { + break_transmission++; + + //break transmission after 50 failed attempts (was 100) + if (break_transmission >= 50) { + closeIncompleteFile(); //close the file + _mbed_receive_ticker.detach(); + pc().printf("MbedLogger: TRANSMISSION INTERRUPTED!\n\r"); + break; + } + } + else + last_packet_number = current_packet_number; + } + _mbed_receive_loop = false; // wait until the loop rate timer fires again + } + } +} + +int MbedLogger::getFilePointerState() { + if (_fp) + return 1; //file is not null (has an address), open + else + return 0; //file is null, closed +} + +void MbedLogger::testToggleFilePointer() { + pc().printf("testToggleFilePointer\n\r"); + + string file_name_string = _file_system_string + "example99.txt"; + + if (_fp) + _fp = NULL; + else + _fp = fopen(file_name_string.c_str(), "w"); +} + +int MbedLogger::getNumberOfPackets() { + return _total_number_of_packets; +} + +bool MbedLogger::isTransmissionComplete() { + return _file_transmission_complete; +} + +int MbedLogger::currentPacketNumber() { + return _packet_number; +} \ No newline at end of file