files.cpp

00001 #include "files.h"
00002 #include "USBSerial.h"
00003 extern Serial _serialport;
00004 
00005 #if (MBED_MAJOR_VERSION == 2)
00006 #include    "SDFileSystem.h"
00007 #elif (MBED_MAJOR_VERSION == 5)
00008 #include    "SDBlockDevice.h"
00009 #include    "FATFileSystem.h"
00010 #endif
00011 
00012 #if (MBED_MAJOR_VERSION == 2)
00013 SDFileSystem    sd(D11, D12, D13, D10, "fs");  // do,di,clk,cs
00014 #elif (MBED_MAJOR_VERSION == 5)
00015 //SDBlockDevice   sd(D11, D12, D13, D10, 8000000);
00016 SDBlockDevice   sd(SPI0_MOSI, SPI0_MISO, SPI0_SCK, SPI0_SS, 8000000);    // For MAX32630FTHR
00017 FATFileSystem   fs("fs");
00018 #endif
00019 
00020 
00021 int totaFunctionlFiles = 0;
00022 int functionFileNumber = 1;
00023 int functionActive = 0;
00024 extern int functionPosition = 0;
00025 Function ffunc;
00026 
00027 int initSDCard()
00028 {
00029 #if (MBED_MAJOR_VERSION == 5)
00030     /* Init SD CARD reader */
00031     sd.init();
00032     fs.mount(&sd);
00033 #endif
00034     FILE* fp = fopen("/fs/mydata.txt", "a");
00035     if (fp != 0) {
00036         _serialport.printf("writing something\n\r\n");
00037         fprintf(fp,"writing something\n\r\n");
00038     } else {
00039         _serialport.printf("ERROR\r\n");
00040     }
00041     fclose(fp);
00042     return 0;
00043 }
00044 
00045 int readFileNames()
00046 {
00047     DIR *d;
00048     struct dirent *p;
00049 
00050     d = opendir("/fs/functions");
00051     if (d != NULL) {
00052         while ((p = readdir(d)) != NULL) {
00053 //            printf(" - %s\n", p->d_name);
00054             totaFunctionlFiles++;
00055         }
00056     } else {
00057         printf("Could not open directory!\n");
00058     }
00059     closedir(d);
00060     printf("Total files = %d\n", totaFunctionlFiles);
00061     return 0;
00062 }
00063 
00064 int navFunctionFiles(int direction)
00065 {
00066 
00067     if(direction == DIR_UP) {
00068         if(functionFileNumber < totaFunctionlFiles) {
00069             functionFileNumber++;
00070         } else {
00071             functionFileNumber = 1;
00072         }
00073         printf("UP: %d\n", functionFileNumber);
00074     } else {
00075         if(functionFileNumber > 1) {
00076             functionFileNumber--;
00077         } else {
00078             functionFileNumber = totaFunctionlFiles;
00079         }
00080         printf("DOWN: %d\n", functionFileNumber);
00081     }
00082     return 0;
00083 }
00084 
00085 int openFunctionFile(int inpFile)
00086 {
00087     char fileLoc [40];
00088     sprintf (fileLoc, "/fs/functions/function%d.txt", inpFile);
00089     printf ("[%s] is location %d file number\n", fileLoc, inpFile);
00090 
00091     FILE* fp = fopen(fileLoc, "r");
00092     ffunc.pos=0;
00093     while (fscanf(fp, "%d,%d", &ffunc.x[ffunc.pos], &ffunc.t[ffunc.pos]) != EOF) {
00094         ffunc.pos++;
00095     }
00096 
00097     fclose(fp);
00098     functionActive = 1;
00099     functionPosition = 0;
00100     printFunctionData();
00101     return 0;
00102 }
00103 
00104 void printFunctionData()
00105 {
00106     printf ("total: %d\n", ffunc.pos);
00107     for(int i=0; i<ffunc.pos; i++ ) {
00108         printf ("%d, %d\n", ffunc.x[i], ffunc.t[i]);
00109     }
00110 }
00111