main.cpp

00001 #include "mbed.h"
00002 
00003 #if !DEVICE_LOCALFILESYSTEM
00004   #error [NOT_SUPPORTED] LocalFileSystem not supported
00005 #endif
00006 
00007 void led_blink(PinName led) {
00008     DigitalOut myled(led);
00009     while (1) {
00010         myled = !myled;
00011         wait(1.0);
00012     }
00013 }
00014 
00015 void notify_completion(bool success) {
00016     if (success) {
00017         printf("{success}\n");
00018     } else {
00019         printf("{failure}\n");
00020     }
00021 
00022     printf("{end}\n");
00023     led_blink(success ? LED1 : LED4);
00024 }
00025 
00026 #define TEST_STRING   "Hello World!"
00027 
00028 FILE* test_open(char* path, const char* mode) {
00029     FILE *f;
00030     f = fopen(path, mode);
00031     if (f == NULL) {
00032         printf("Error opening file\n");
00033         notify_completion(false);
00034     }
00035 
00036     return f;
00037 }
00038 
00039 void test_write(FILE* f, const char* str) {
00040     int n = fprintf(f, str);
00041     if (n != strlen(str)) {
00042         printf("Error writing file\n");
00043         notify_completion(false);
00044     }
00045 }
00046 
00047 void test_close(FILE* f) {
00048     int rc = fclose(f);
00049     if (rc != 0) {
00050         printf("Error closing file\n");
00051         notify_completion(false);
00052     }
00053 }
00054 
00055 int main() {
00056     LocalFileSystem local("local");
00057 
00058     FILE *f;
00059     char* str = TEST_STRING;
00060     char* buffer = (char*) malloc(sizeof(unsigned char)*strlen(TEST_STRING));
00061     int str_len = strlen(TEST_STRING);
00062 
00063     printf("Write files\n");
00064     char filename[32];
00065     for (int i=0; i<10; i++) {
00066         sprintf(filename, "/local/test_%d.txt", i);
00067         printf("Creating file: %s\n", filename);
00068         f = test_open(filename, "w");
00069         test_write(f, str);
00070         test_close(f);
00071     }
00072 
00073     printf("List files:\n");
00074     DIR *d = opendir("/local");
00075     struct dirent *p;
00076     while((p = readdir(d)) != NULL) {
00077         printf("%s\n", p->d_name);
00078     }
00079     closedir(d);
00080 
00081     notify_completion(true);
00082 }