Kenji Arai
Current (on Nov. 15th, 2014) LPC1114 Ticker function has a trouble after one hour and 11 minutes after due to 32bit timer overflow. I hope this will be fine by mbed support team.
Please refer following Note.
http://developer.mbed.org/users/kenjiArai/notebook/lpc1114fn28---suggestion-for-improvement/#
Revision 0:d54a5362ac2a, committed 2014-11-15
- Comitter:
- kenjiArai
- Date:
- Sat Nov 15 08:00:10 2014 +0000
- Commit message:
- This is a test program for Ticker function. After 1h12m, ticker function does NOT work anymore due to 32bit timer overflow.
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 |
diff -r 000000000000 -r d54a5362ac2a main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Nov 15 08:00:10 2014 +0000
@@ -0,0 +1,28 @@
+/*
+ * mbed Application program / Ticker has a bug!?
+ * by Kenji Arai / JH1PJL
+ * http://mbed.org/users/kenjiArai/
+ * Created: Nobember 15th, 2014
+ */
+#include "mbed.h"
+
+Ticker t;
+
+uint32_t t_count;
+uint8_t flag;
+
+void cyclic(void){ flag = 1;}
+
+int main(void){ // PLease wait 1 hour 11 minutes and 34.9 seconds
+ t.attach(&cyclic, 1.0);
+ flag = 0;
+ t_count = 0;
+ while(true) {
+ while(flag == 0){
+ wait(0.1);
+ printf(".");
+ }
+ flag = 0;
+ printf("\r\nt_count=%8d, TMR32B1=%14d\r\n", ++t_count, LPC_TMR32B1->TC);
+ }
+}
diff -r 000000000000 -r d54a5362ac2a mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Nov 15 08:00:10 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/031413cf7a89 \ No newline at end of file