Emilio Monti
Simple test for using the local file system within a thread
Revision 0:cfccdef0d536, committed 2012-08-10
- Comitter:
- emilmont
- Date:
- Fri Aug 10 11:40:29 2012 +0000
- Commit message:
- Simple test for using the local file system within an RTOS thread
Changed in this revision
diff -r 000000000000 -r cfccdef0d536 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Aug 10 11:40:29 2012 +0000
@@ -0,0 +1,86 @@
+#include "mbed.h"
+#include "rtos.h"
+
+void led_blink(PinName led_name) {
+ DigitalOut led(led_name);
+ while (1) {
+ Thread::wait(1000);
+ led = !led;
+ }
+}
+
+void notify_completion(bool success) {
+ if (success) {
+ printf("{success}\n");
+ } else {
+ printf("{failure}\n");
+ }
+
+ printf("{end}\n");
+ led_blink(success?LED2:LED4);
+}
+
+#define FILENAME "/local/out.txt"
+#define TEST_STRING "Hello World!"
+
+FILE* test_open(const char* mode) {
+ FILE *f;
+ f = fopen(FILENAME, mode);
+ if (f == NULL) {
+ printf("Error opening file\n");
+ notify_completion(false);
+ }
+
+ return f;
+}
+
+void test_write(FILE* f, char* str, int str_len) {
+ int n = fprintf(f, str);
+ if (n != str_len) {
+ printf("Error writing file\n");
+ notify_completion(false);
+ }
+}
+
+void test_read(FILE* f, char* str, int str_len) {
+ int n = fread(str, sizeof(unsigned char), str_len, f);
+ if (n != str_len) {
+ printf("Error reading file\n");
+ notify_completion(false);
+ }
+}
+
+void test_close(FILE* f) {
+ int rc = fclose(f);
+ if (rc != 0) {
+ printf("Error closing file\n");
+ notify_completion(false);
+ }
+}
+
+void test_localfilesystem(void const *argument) {
+ LocalFileSystem local("local");
+
+ FILE *f;
+ char* str = TEST_STRING;
+ char* buffer = (char*) malloc(sizeof(unsigned char)*strlen(TEST_STRING));
+ int str_len = strlen(TEST_STRING);
+
+ // Write
+ f = test_open("w");
+ test_write(f, str, str_len);
+ test_close(f);
+
+ // Read
+ f = test_open("r");
+ test_read(f, buffer, str_len);
+ test_close(f);
+
+ // Check the two strings are equal
+ notify_completion((strncmp(buffer, str, str_len) == 0));
+}
+
+int main() {
+ Thread t(test_localfilesystem);
+ led_blink(LED1);
+}
diff -r 000000000000 -r cfccdef0d536 mbed-rtos.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Fri Aug 10 11:40:29 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#9654a71f5a90
diff -r 000000000000 -r cfccdef0d536 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Aug 10 11:40:29 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/10b9abbe79a6 \ No newline at end of file