tool/mbed/mbed-sdk/libraries/tests/mbed/dir/main.cpp

   1 #include "mbed.h"
   2
   3 void led_blink(PinName led) {
   4     DigitalOut myled(led);
   5     while (1) {
   6         myled = !myled;
   7         wait(1.0);
   8     }
   9 }
  10
  11 void notify_completion(bool success) {
  12     if (success) {
  13         printf("{success}\n");
  14     } else {
  15         printf("{failure}\n");
  16     }
  17
  18     printf("{end}\n");
  19     led_blink(success ? LED1 : LED4);
  20 }
  21
  22 #define TEST_STRING   "Hello World!"
  23
  24 FILE* test_open(char* path, const char* mode) {
  25     FILE *f;
  26     f = fopen(path, mode);
  27     if (f == NULL) {
  28         printf("Error opening file\n");
  29         notify_completion(false);
  30     }
  31
  32     return f;
  33 }
  34
  35 void test_write(FILE* f, const char* str) {
  36     int n = fprintf(f, str);
  37     if (n != strlen(str)) {
  38         printf("Error writing file\n");
  39         notify_completion(false);
  40     }
  41 }
  42
  43 void test_close(FILE* f) {
  44     int rc = fclose(f);
  45     if (rc != 0) {
  46         printf("Error closing file\n");
  47         notify_completion(false);
  48     }
  49 }
  50
  51 int main() {
  52     LocalFileSystem local("local");
  53
  54     FILE *f;
  55     char* str = TEST_STRING;
  56     char* buffer = (char*) malloc(sizeof(unsigned char)*strlen(TEST_STRING));
  57     int str_len = strlen(TEST_STRING);
  58
  59     printf("Write files\n");
  60     char filename[32];
  61     for (int i=0; i<10; i++) {
  62         sprintf(filename, "/local/test_%d.txt", i);
  63         printf("Creating file: %s\n", filename);
  64         f = test_open(filename, "w");
  65         test_write(f, str);
  66         test_close(f);
  67     }
  68
  69     printf("List files:\n");
  70     DIR *d = opendir("/local");
  71     struct dirent *p;
  72     while((p = readdir(d)) != NULL) {
  73         printf("%s\n", p->d_name);
  74     }
  75     closedir(d);
  76
  77     notify_completion(true);
  78 }