erkin yucel / mbed-os

mbed os with nrf51 internal bandgap enabled to read battery level

Dependents:   BLE_file_test BLE_Blink ExternalEncoder

features/unsupported/tests/mbed/dir/main.cpp@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:f269e3021894 1 #include "mbed.h"
elessair 0:f269e3021894 2
elessair 0:f269e3021894 3 #if !DEVICE_LOCALFILESYSTEM
elessair 0:f269e3021894 4 #error [NOT_SUPPORTED] LocalFileSystem not supported
elessair 0:f269e3021894 5 #endif
elessair 0:f269e3021894 6
elessair 0:f269e3021894 7 void led_blink(PinName led) {
elessair 0:f269e3021894 8 DigitalOut myled(led);
elessair 0:f269e3021894 9 while (1) {
elessair 0:f269e3021894 10 myled = !myled;
elessair 0:f269e3021894 11 wait(1.0);
elessair 0:f269e3021894 12 }
elessair 0:f269e3021894 13 }
elessair 0:f269e3021894 14
elessair 0:f269e3021894 15 void notify_completion(bool success) {
elessair 0:f269e3021894 16 if (success) {
elessair 0:f269e3021894 17 printf("{success}\n");
elessair 0:f269e3021894 18 } else {
elessair 0:f269e3021894 19 printf("{failure}\n");
elessair 0:f269e3021894 20 }
elessair 0:f269e3021894 21
elessair 0:f269e3021894 22 printf("{end}\n");
elessair 0:f269e3021894 23 led_blink(success ? LED1 : LED4);
elessair 0:f269e3021894 24 }
elessair 0:f269e3021894 25
elessair 0:f269e3021894 26 #define TEST_STRING "Hello World!"
elessair 0:f269e3021894 27
elessair 0:f269e3021894 28 FILE* test_open(char* path, const char* mode) {
elessair 0:f269e3021894 29 FILE *f;
elessair 0:f269e3021894 30 f = fopen(path, mode);
elessair 0:f269e3021894 31 if (f == NULL) {
elessair 0:f269e3021894 32 printf("Error opening file\n");
elessair 0:f269e3021894 33 notify_completion(false);
elessair 0:f269e3021894 34 }
elessair 0:f269e3021894 35
elessair 0:f269e3021894 36 return f;
elessair 0:f269e3021894 37 }
elessair 0:f269e3021894 38
elessair 0:f269e3021894 39 void test_write(FILE* f, const char* str) {
elessair 0:f269e3021894 40 int n = fprintf(f, str);
elessair 0:f269e3021894 41 if (n != strlen(str)) {
elessair 0:f269e3021894 42 printf("Error writing file\n");
elessair 0:f269e3021894 43 notify_completion(false);
elessair 0:f269e3021894 44 }
elessair 0:f269e3021894 45 }
elessair 0:f269e3021894 46
elessair 0:f269e3021894 47 void test_close(FILE* f) {
elessair 0:f269e3021894 48 int rc = fclose(f);
elessair 0:f269e3021894 49 if (rc != 0) {
elessair 0:f269e3021894 50 printf("Error closing file\n");
elessair 0:f269e3021894 51 notify_completion(false);
elessair 0:f269e3021894 52 }
elessair 0:f269e3021894 53 }
elessair 0:f269e3021894 54
elessair 0:f269e3021894 55 int main() {
elessair 0:f269e3021894 56 LocalFileSystem local("local");
elessair 0:f269e3021894 57
elessair 0:f269e3021894 58 FILE *f;
elessair 0:f269e3021894 59 char* str = TEST_STRING;
elessair 0:f269e3021894 60 char* buffer = (char*) malloc(sizeof(unsigned char)*strlen(TEST_STRING));
elessair 0:f269e3021894 61 int str_len = strlen(TEST_STRING);
elessair 0:f269e3021894 62
elessair 0:f269e3021894 63 printf("Write files\n");
elessair 0:f269e3021894 64 char filename[32];
elessair 0:f269e3021894 65 for (int i=0; i<10; i++) {
elessair 0:f269e3021894 66 sprintf(filename, "/local/test_%d.txt", i);
elessair 0:f269e3021894 67 printf("Creating file: %s\n", filename);
elessair 0:f269e3021894 68 f = test_open(filename, "w");
elessair 0:f269e3021894 69 test_write(f, str);
elessair 0:f269e3021894 70 test_close(f);
elessair 0:f269e3021894 71 }
elessair 0:f269e3021894 72
elessair 0:f269e3021894 73 printf("List files:\n");
elessair 0:f269e3021894 74 DIR *d = opendir("/local");
elessair 0:f269e3021894 75 struct dirent *p;
elessair 0:f269e3021894 76 while((p = readdir(d)) != NULL) {
elessair 0:f269e3021894 77 printf("%s\n", p->d_name);
elessair 0:f269e3021894 78 }
elessair 0:f269e3021894 79 closedir(d);
elessair 0:f269e3021894 80
elessair 0:f269e3021894 81 notify_completion(true);
elessair 0:f269e3021894 82 }