Mitchell Hatfield / Mbed 2 deprecated Component_Test_Interface

Component Test's Software to work with "Universal Controller Box" - Software is an interpreter or "compiler" for programs to be done with a .txt file and read off of the SD Card

Dependencies:   BridgeDriver FrontPanelButtons MCP23017 SDFileSystem TextLCD mbed

TextFile.h@1:5731f31f96be, 2014-09-16 (annotated)

Committer:
mehatfie
Date:
Tue Sep 16 18:27:41 2014 +0000
Revision:
1:5731f31f96be
Parent:
0:22618cf06f45
Child:
2:3e7baa3e3fec
- Noticed having issues with code in terms of memory(?); - Loop functionality works fine; - Depending on the number of cycles, the code will randomly freeze up. Same thing happens if you extend the number of tasks within the loop, and decrease count

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mehatfie 0:22618cf06f45 1 #include "mbed.h"
mehatfie 0:22618cf06f45 2 #include "TextLCD.h"
mehatfie 0:22618cf06f45 3 #include "SDFileSystem.h"
mehatfie 0:22618cf06f45 4 #include <stdio.h>
mehatfie 0:22618cf06f45 5 #include <string>
mehatfie 0:22618cf06f45 6 #include <stdlib.h>
mehatfie 0:22618cf06f45 7 #include <vector>
mehatfie 0:22618cf06f45 8 using std::string;
mehatfie 0:22618cf06f45 9
mehatfie 0:22618cf06f45 10
mehatfie 0:22618cf06f45 11 //vector<string> filenames; //filenames are stored in a vector string
mehatfie 0:22618cf06f45 12
mehatfie 0:22618cf06f45 13 vector<string> readFileNames(char *);
mehatfie 0:22618cf06f45 14 int getFileNamesWithoutExt(string[], vector<string> &);
mehatfie 0:22618cf06f45 15 string getPreviousLine(istream &);
mehatfie 0:22618cf06f45 16
mehatfie 0:22618cf06f45 17
mehatfie 0:22618cf06f45 18
mehatfie 0:22618cf06f45 19 /******************************************************************************/
mehatfie 0:22618cf06f45 20 /*** <readFileNames> ***/
mehatfie 0:22618cf06f45 21 /******************************************************************************/
mehatfie 0:22618cf06f45 22 // read file names into vector of strings
mehatfie 0:22618cf06f45 23 vector<string> readFileNames(char *dir) {
mehatfie 0:22618cf06f45 24
mehatfie 0:22618cf06f45 25 vector<string> filenames;
mehatfie 0:22618cf06f45 26 DIR *dp;
mehatfie 0:22618cf06f45 27 struct dirent *dirp;
mehatfie 0:22618cf06f45 28 dp = opendir(dir);
mehatfie 0:22618cf06f45 29 //read all directory and file names in current directory into filename vector
mehatfie 0:22618cf06f45 30 while((dirp = readdir(dp)) != NULL) {
mehatfie 0:22618cf06f45 31 filenames.push_back(string(dirp->d_name));
mehatfie 0:22618cf06f45 32 }
mehatfie 0:22618cf06f45 33 closedir(dp);
mehatfie 0:22618cf06f45 34 return filenames;
mehatfie 0:22618cf06f45 35 }
mehatfie 0:22618cf06f45 36
mehatfie 0:22618cf06f45 37
mehatfie 0:22618cf06f45 38
mehatfie 0:22618cf06f45 39 /******************************************************************************/
mehatfie 0:22618cf06f45 40 /*** <getFileNamesWithoutExt> ***/
mehatfie 0:22618cf06f45 41 /******************************************************************************/
mehatfie 0:22618cf06f45 42 // save filename strings to array from vector using an iterator
mehatfie 0:22618cf06f45 43 int getFileNamesWithoutExt(string fileNames[], vector<string> &filenames) {
mehatfie 0:22618cf06f45 44
mehatfie 0:22618cf06f45 45 //Cycle through all files listed in the directoy (strings in the vector list)
mehatfie 0:22618cf06f45 46 int n = 0;
mehatfie 0:22618cf06f45 47 for(vector<string>::iterator it=filenames.begin(); it < filenames.end(); it++)
mehatfie 0:22618cf06f45 48 {
mehatfie 0:22618cf06f45 49 //Convert the Vector found String to a char for use in the strtok function
mehatfie 0:22618cf06f45 50 char temp[50];
mehatfie 0:22618cf06f45 51 if((*it).size() < 100)
mehatfie 0:22618cf06f45 52 strcpy(temp, (*it).c_str());
mehatfie 0:22618cf06f45 53
mehatfie 0:22618cf06f45 54 // Retrieve the fileName and fileExtension by splitting the string
mehatfie 0:22618cf06f45 55 char *fileName;
mehatfie 0:22618cf06f45 56 char *fileExtension;
mehatfie 0:22618cf06f45 57 fileName = strtok(temp, ".");
mehatfie 0:22618cf06f45 58 fileExtension = strtok(NULL, ".");
mehatfie 0:22618cf06f45 59
mehatfie 0:22618cf06f45 60 // if the file is a .txt file, then save it to the array
mehatfie 0:22618cf06f45 61 if (strncmp(fileExtension,"txt", 3) == 0) {
mehatfie 0:22618cf06f45 62 fileNames[n] = fileName;
mehatfie 0:22618cf06f45 63 n++;
mehatfie 0:22618cf06f45 64 }
mehatfie 0:22618cf06f45 65 }
mehatfie 0:22618cf06f45 66
mehatfie 0:22618cf06f45 67 return n; //Return the number of txt files that were found in the directory
mehatfie 0:22618cf06f45 68 }
mehatfie 0:22618cf06f45 69
mehatfie 0:22618cf06f45 70 /******************************************************************************/
mehatfie 0:22618cf06f45 71 /*** <getNextLine> ***/
mehatfie 0:22618cf06f45 72 /******************************************************************************/
mehatfie 0:22618cf06f45 73 //
mehatfie 0:22618cf06f45 74
mehatfie 0:22618cf06f45 75 void getNextLine(FILE *selectedFile) {
mehatfie 0:22618cf06f45 76
mehatfie 1:5731f31f96be 77 lineData.lineAddress = ftell(selectedFile);
mehatfie 1:5731f31f96be 78
mehatfie 1:5731f31f96be 79 char *newLine;
mehatfie 1:5731f31f96be 80 newLine = new char[MAX_LINE_LENGTH];
mehatfie 1:5731f31f96be 81
mehatfie 0:22618cf06f45 82 fgets(newLine, MAX_LINE_LENGTH, selectedFile);
mehatfie 1:5731f31f96be 83
mehatfie 0:22618cf06f45 84 lineData.fullLine = newLine;
mehatfie 0:22618cf06f45 85 lineData.lineNumber++;
mehatfie 0:22618cf06f45 86
mehatfie 0:22618cf06f45 87 //Create a copy of the line, so that we don't effect the full line when we're extracting the words
mehatfie 1:5731f31f96be 88 char *cpyLine;
mehatfie 1:5731f31f96be 89 cpyLine = new char[MAX_LINE_LENGTH];
mehatfie 0:22618cf06f45 90 strcpy(cpyLine, newLine);
mehatfie 1:5731f31f96be 91
mehatfie 1:5731f31f96be 92 char *tempWord;
mehatfie 1:5731f31f96be 93 tempWord = new char;
mehatfie 0:22618cf06f45 94
mehatfie 0:22618cf06f45 95 int numWords = 0;
mehatfie 1:5731f31f96be 96
mehatfie 0:22618cf06f45 97 tempWord = strtok(cpyLine, " ");
mehatfie 0:22618cf06f45 98 while (tempWord != NULL){
mehatfie 0:22618cf06f45 99 strcpy(lineData.word[numWords], tempWord); //Record the word in the lineData array
mehatfie 0:22618cf06f45 100 numWords++; //add the number of words first, since we've already got one word, this helps for the way the while loop works too
mehatfie 0:22618cf06f45 101 tempWord = strtok(NULL, " ");
mehatfie 0:22618cf06f45 102 }
mehatfie 0:22618cf06f45 103
mehatfie 1:5731f31f96be 104
mehatfie 1:5731f31f96be 105
mehatfie 0:22618cf06f45 106 lineData.numWords = numWords; //Record the number of words in the line
mehatfie 0:22618cf06f45 107
mehatfie 0:22618cf06f45 108 lcd.setAddress(0,1);
mehatfie 1:5731f31f96be 109 lcd.printf("Current Line#: %d ", lineData.lineNumber);
mehatfie 1:5731f31f96be 110
mehatfie 1:5731f31f96be 111 delete[] tempWord;
mehatfie 1:5731f31f96be 112 delete[] newLine;
mehatfie 1:5731f31f96be 113 delete[] cpyLine;
mehatfie 1:5731f31f96be 114
mehatfie 0:22618cf06f45 115 /*
mehatfie 0:22618cf06f45 116 lcd.cls(); //clear the display
mehatfie 0:22618cf06f45 117 lcd.setAddress(0,0);
mehatfie 0:22618cf06f45 118 lcd.printf("wrd1: %s", lineData.word[0]);
mehatfie 0:22618cf06f45 119 lcd.setAddress(0,1);
mehatfie 0:22618cf06f45 120 lcd.printf("wrd2: %s", lineData.word[1]);
mehatfie 0:22618cf06f45 121 lcd.setAddress(0,2);
mehatfie 0:22618cf06f45 122 lcd.printf("wrd3: %s", lineData.word[2]);
mehatfie 0:22618cf06f45 123 lcd.setAddress(0,3);
mehatfie 0:22618cf06f45 124 lcd.printf("wrd4: %s", lineData.word[3]);
mehatfie 0:22618cf06f45 125 wait(5);*/
mehatfie 0:22618cf06f45 126 }
mehatfie 0:22618cf06f45 127
mehatfie 0:22618cf06f45 128
mehatfie 0:22618cf06f45 129
mehatfie 0:22618cf06f45 130
mehatfie 0:22618cf06f45 131
mehatfie 0:22618cf06f45 132
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mehatfie 0:22618cf06f45 134