Diff: main.cpp

Revision:

0:e1c215fe231c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Apr 03 09:07:18 2014 +0000
@@ -0,0 +1,137 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+
+SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // MOSI, MISO, SCK, CS
+Serial pc(USBTX, USBRX);
+FILE *fp;
+
+int file_copy(const char *src, const char *dst)
+{
+    int retval = 0;
+    int ch;
+ 
+    FILE *fpsrc = fopen(src, "r");   // src file
+    FILE *fpdst = fopen(dst, "w");   // dest file
+    
+    while (1) {                  // Copy src to dest
+        ch = fgetc(fpsrc);       // until src EOF read.
+        if (ch == EOF) break;
+        fputc(ch, fpdst);
+    }
+    fclose(fpsrc);
+    fclose(fpdst);
+  
+    fpdst = fopen(dst, "r");     // Reopen dest to insure
+    if (fpdst == NULL) {          // that it was created.
+        retval = -1;           // Return error.
+    } else {
+        fclose(fpdst);
+        retval = 0;              // Return success.
+    }
+    return retval;
+}
+
+uint32_t do_list(const char *fsrc)
+{
+    DIR *d = opendir(fsrc);
+    struct dirent *p;
+    uint32_t counter = 0;
+
+    while ((p = readdir(d)) != NULL) {
+        counter++;
+        printf("%s\n", p->d_name);
+    }
+    closedir(d);
+    return counter;
+}
+
+// bool is_folder(const char *fdir)
+// {
+//     DIR *dir = opendir(fdir);
+//     if (dir) {
+//         closedir(dir);
+//     }
+//     return (dir != NULL);
+
+// }
+
+// bool is_file(const char *ffile)
+// {
+//     FILE *fp = fopen(ffile, "r");
+//     if (fp) {
+//         fclose(fp);
+//     }
+//     return (fp != NULL);
+// }
+
+void do_remove(const char *fsrc)
+{
+    DIR *d = opendir(fsrc);
+    struct dirent *p;
+    char path[30] = {0};
+    while((p = readdir(d)) != NULL) {
+        strcpy(path, fsrc);
+        strcat(path, "/");
+        strcat(path, p->d_name);
+        remove(path);
+    }
+    closedir(d);
+    remove(fsrc);
+}
+
+int main()
+{
+    pc.printf("Initializing \n");
+    wait(2);
+
+    do_remove("/sd/test1"); /* clean up from the previous Lab 5 if was executed */
+    if (do_list("/sd") == 0) {
+        printf("No files/directories on the sd card.");
+    }
+
+    printf("\nCreating two folders. \n");
+    mkdir("/sd/test1", 0777);
+    mkdir("/sd/test2", 0777);
+
+    fp = fopen("/sd/test1/1.txt", "w");
+    if (fp == NULL) {
+        pc.printf("Unable to write the file \n");
+    } else {
+        fprintf(fp, "1.txt in test 1");
+        fclose(fp);
+    }
+
+    fp = fopen("/sd/test2/2.txt", "w");
+    if (fp == NULL) {
+        pc.printf("Unable to write the file \n");
+    } else {
+        fprintf(fp, "2.txt in test 2");
+        fclose(fp);
+    }
+
+    printf("\nList all directories/files /sd.\n");
+    do_list("/sd");
+
+    printf("\nList all files within /sd/test1.\n");
+    do_list("/sd/test1");
+
+
+    printf("\nList all files within /sd/test2.\n");
+    do_list("/sd/test2");
+
+    int status = file_copy("/sd/test2/2.txt", "/sd/test1/2_copy.txt");
+    if (status == -1) {
+        printf("Error, file was not copied.\n");
+    }
+    printf("Removing test2 folder and 2.txt file inside.");
+    remove("/sd/test2/2.txt");
+    remove("/sd/test2");
+
+    printf("\nList all directories/files /sd.\n");
+    do_list("/sd");
+
+    printf("\nList all files within /sd/test1.\n");
+    do_list("/sd/test1");
+
+    printf("\nEnd of complete Lab 5. \n");
+}