main.cpp

00001 #include "mbed.h"
00002 #include "rtos.h"
00003 
00004 void led_blink(PinName led_name) {
00005     DigitalOut led(led_name);
00006     while (1) {
00007         Thread::wait(1000);
00008         led = !led;
00009     }
00010 }
00011 
00012 void notify_completion(bool success) {
00013     if (success) {
00014         printf("{success}\n");
00015     } else {
00016         printf("{failure}\n");
00017     }
00018     
00019     printf("{end}\n");
00020     led_blink(success?LED2:LED4);
00021 }
00022 
00023 #define FILENAME      "/local/out.txt"
00024 #define TEST_STRING   "Hello World!"
00025 
00026 FILE* test_open(const char* mode) {
00027     FILE *f;
00028     f = fopen(FILENAME, mode);
00029     if (f == NULL) {
00030         printf("Error opening file\n");
00031         notify_completion(false);
00032     }
00033     
00034     return f;
00035 }
00036 
00037 void test_write(FILE* f, char* str, int str_len) {
00038     int n = fprintf(f, str);
00039     if (n != str_len) {
00040         printf("Error writing file\n");
00041         notify_completion(false);
00042     }
00043 }
00044 
00045 void test_read(FILE* f, char* str, int str_len) {
00046     int n = fread(str, sizeof(unsigned char), str_len, f);
00047     if (n != str_len) {
00048         printf("Error reading file\n");
00049         notify_completion(false);
00050     }
00051 }
00052 
00053 void test_close(FILE* f) {
00054     int rc = fclose(f);
00055     if (rc != 0) {
00056         printf("Error closing file\n");
00057         notify_completion(false);
00058     }
00059 }
00060 
00061 void test_localfilesystem(void const *argument) {
00062     LocalFileSystem local("local");
00063     
00064     FILE *f;
00065     char* str = TEST_STRING;
00066     char* buffer = (char*) malloc(sizeof(unsigned char)*strlen(TEST_STRING));
00067     int str_len = strlen(TEST_STRING);
00068     
00069     // Write
00070     f = test_open("w");
00071     test_write(f, str, str_len);
00072     test_close(f);
00073     
00074     // Read
00075     f = test_open("r");
00076     test_read(f, buffer, str_len);
00077     test_close(f);
00078     
00079     // Check the two strings are equal
00080     notify_completion((strncmp(buffer, str, str_len) == 0));
00081 }
00082 
00083 int main() {
00084     Thread t(test_localfilesystem);
00085     led_blink(LED1);
00086 }