Diff: MbedLogger/MbedLogger.cpp

Revision:

32:f2f8ae34aadc

Child:

34:9b66c5188051

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MbedLogger/MbedLogger.cpp	Wed Dec 20 13:52:50 2017 +0000
@@ -0,0 +1,97 @@
+#include "MbedLogger.hpp"
+#include "StaticDefs.hpp"
+
+MbedLogger::MbedLogger() {
+    _f = 0;
+    _file_number = 0;
+}
+
+//creates a new file each time it's called
+void MbedLogger::createFile() {
+    
+    int filenum = 0;
+    char filename[128];
+    
+    while(true) {
+        //create a file named Log001.csv through Log999.csv
+        sprintf(filename, "/local/Log%03d.csv", filenum);
+        
+        //try to read a file
+        _fp = fopen(filename, "r");
+       
+        //check if this file does not exist, create it, and write to it
+        if (_fp == NULL) {            
+            //you want to do stuff here!
+            _fp = fopen(filename, "a");
+            
+            //write the header
+            _fprintf(_fp,"timer,depth_cmd,depth (ft),pitch_cmd,pitch (deg), bce_cmd, bce (mm), batt_cmd, batt (mm)\n");
+            
+            //DO NOT CLOSE THE FILE, keep it open
+            break;
+        }
+        
+        //if the file already exists, keep upping the counter
+        else {
+            fclose(_fp); //close the old file you tried to read
+            filenum++;  //file name number
+        }
+        wait_us(100);
+    }
+    
+    //set this variable to print the current file
+    _file_number = filenum;
+}
+
+void MbedLogger::saveArrayToFile(float *input) {    
+    //write to the file
+    _fprintf(_fp, "%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f,%0.1f\n",input[0],input[1],input[2],input[3],input[4],input[5],input[6],input[7],input[8]);
+}
+
+void MbedLogger::saveSequenceStringToFile(string str_input) {        
+    //write to the file
+    _fprintf(_fp, "%s\n",str_input.c_str());
+}
+
+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::printFromLogFile() {
+    char filename[128];
+    sprintf(filename, "/local/Log%03d.csv", _file_number);
+    
+    //open the file
+    FILE *fp = fopen(filename, "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("CURRENT MBED LOG FILE /local/Log%03d.csv:\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);
+}
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