gcc4mbed/samples/SDFileSystem/main.cpp

   1 /* Copyright 2011 Adam Green (http://mbed.org/users/AdamGreen/)
   2
   3    Licensed under the Apache License, Version 2.0 (the "License");
   4    you may not use this file except in compliance with the License.
   5    You may obtain a copy of the License at
   6
   7        http://www.apache.org/licenses/LICENSE-2.0
   8
   9    Unless required by applicable law or agreed to in writing, software
  10    distributed under the License is distributed on an "AS IS" BASIS,
  11    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12    See the License for the specific language governing permissions and
  13    limitations under the License.
  14 */
  15 /* LocalFileSystem test modified to use SD cards instead. */
  16 #include "mbed.h"
  17 #include "SDFileSystem.h"
  18
  19
  20 SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
  21
  22
  23 int main()
  24 {
  25     int  Result = -1;
  26     char Buffer[32];
  27
  28     printf("\r\n\r\nGCC4MBED Test Suite\r\n");
  29     printf("sdFileSystem Unit Tests\r\n");
  30
  31     printf("Test 1: fopen() for write\r\n");
  32     FILE *fp = fopen("/sd/out.txt", "w");  // Open "out.txt" on the sd file system for writing
  33     if (NULL == fp)
  34     {
  35         error("%s(%d) fopen() failed\r\n", __FILE__, __LINE__);
  36     }
  37
  38     printf("Test 2: fprintf()\r\n");
  39     Result = fprintf(fp, "Hello World!");
  40     if (Result < 0)
  41     {
  42         error("%s(%d) fprintf() failed\r\n", __FILE__, __LINE__);
  43     }
  44
  45     printf("Test 3: fclose() on written file\r\n");
  46     Result = fclose(fp);
  47     if (0 != Result)
  48     {
  49         error("%s(%d) fclose() failed\r\n", __FILE__, __LINE__);
  50     }
  51
  52
  53
  54     printf("Test 4: fopen() for read\r\n");
  55     fp = fopen("/sd/out.txt", "r");
  56     if (NULL == fp)
  57     {
  58         error("%s(%d) fopen() failed\r\n", __FILE__, __LINE__);
  59     }
  60
  61     printf("Test 5: fscanf()\r\n");
  62     Result = fscanf(fp, "%31s", Buffer);
  63     if (EOF == Result)
  64     {
  65         error("%s(%d) fscanf() failed\r\n", __FILE__, __LINE__);
  66     }
  67     printf("Contents of /sd/out.txt: %s\r\n", Buffer);
  68
  69     printf("Test 6: fclose() on read file\r\n");
  70     Result = fclose(fp);
  71     if (0 != Result)
  72     {
  73         error("%s(%d) fclose() failed\r\n", __FILE__, __LINE__);
  74     }
  75
  76
  77
  78     printf("Test 7: remove()\r\n");
  79     Result = remove("/sd/out.txt");                 // Removes the file "out.txt" from the sd file system
  80     if (0 != Result)
  81     {
  82         error("%s(%d) remove() failed\r\n", __FILE__, __LINE__);
  83     }
  84
  85
  86     printf("Test 8: opendir()\r\n");
  87     DIR *d = opendir("/sd");               // Opens the root directory of the sd file system
  88     printf("test\r\n");
  89     if (NULL == d)
  90     {
  91         error("%s(%d) opendir() failed\r\n", __FILE__, __LINE__);
  92     }
  93     struct dirent *p;
  94
  95     printf("Test 9: readir() for all entries\r\n");
  96     while((p = readdir(d)) != NULL)
  97     {                                         // Print the names of the files in the sd file system
  98       printf("%s\r\n", p->d_name);              // to stdout.
  99     }
 100
 101     printf("Test 10: closedir\r\n");
 102     closedir(d);
 103
 104     printf("\r\nTest completed\r\n");
 105 }