File content as of revision 39:58375ca6b6ff:

#include "MbedLogger.hpp"
#include "StaticDefs.hpp"

MbedLogger::MbedLogger() {
    _f = 0;
    _file_number = 0;
}

//one log file only, works faster
void MbedLogger::openFile() {    
    //create a file for writing to it (overwrites existing file)
    _fp = fopen("/local/LOG000.csv", "w");
    
    //write the header
    fprintf(_fp,"state_ID,timer,depth_cmd,depth(ft),pitch_cmd,pitch(deg), bce_cmd, bce(mm), batt_cmd, batt(mm)\n");
    
    //the file pointer is a class variable, close the file after you are done writing to it    
}

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\n",input_state,input[0],input[1],input[2],input[3],input[4],input[5],input[6],input[7],input[8]);
}

void MbedLogger::printMbedDirectory() {
    DirectoryList dir( "/local" );
 
    if ( dir.error_check() )
        error( "directory could not be opened\r\n" );
 
    for ( int i = 0; i < dir.size(); i++ )
        printf( "%s\r\n", dir[ i ].c_str() );
}

void MbedLogger::printCurrentLogFile() {
    //open the file for reading
    FILE *fp = fopen("/local/Log000.csv", "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);
            //pc().printf("%d: %s\n\r",lineno++,buffer);
        }
    }
    
    //close the file
    fclose(fp);
    pc().printf("\n\rLog file closed.\n\r");
}

//ONLY CLOSE THE FILE WITH THIS
//always close the file when you're done using it
void MbedLogger::closeFile() {
    fclose(_fp);
    pc().printf("\n\rDEBUG: Log file closed.\n\r");
}