Tyler Weaver
Demonstration of the use of sprintf() causing a run time problem with RTOS.
Revision 0:7fecc17e2765, committed 2012-02-16
- Comitter:
- tylerjw
- Date:
- Thu Feb 16 14:03:52 2012 +0000
- Commit message:
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Feb 16 14:03:52 2012 +0000
@@ -0,0 +1,29 @@
+#include "mbed.h"
+#include "rtos.h"
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+
+char* teststring = "";
+int testint = 65;
+
+// uncomment only one of the sprintf functions at a time to see it fail at that point
+
+void led2_thread(void const *argument) {
+ while (true) {
+ led2 = !led2;
+ //sprintf(teststring, "This is a test: %d", testint);
+ Thread::wait(1000);
+ }
+}
+
+int main() {
+ Thread thread(led2_thread);
+ //sprintf(teststring, "This is a test: %d", testint);
+
+ while (true) {
+ led1 = !led1;
+ sprintf(teststring, "This is a test: %d", testint);
+ Thread::wait(500);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Feb 16 14:03:52 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/14f4805c468c