Kenji Arai
Mutex lock failed error is happened on OS5.10.x(Works fine on OS5.9.7)
Revision 0:f865905db3ad, committed 2018-10-20
- Comitter:
- kenjiArai
- Date:
- Sat Oct 20 07:53:59 2018 +0000
- Commit message:
- Error Message: Mutex lock failed on OS5.10.x
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed-os.lib | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r f865905db3ad main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Oct 20 07:53:59 2018 +0000
@@ -0,0 +1,47 @@
+/*
+ * MUTEX ERROR reproduce program on OS5.10.x
+ * by Kenji Arai / JH1PJL on October 20th, 2018
+ */
+
+/*
+ on 5.9.7/18 Sep 2018 -> works well
+ on 5.10.0/3weeks, 3dyas a go -> Mutex lock failed, error=0x80020115
+ on 5.10.1/1weeks,1day ago -> Mutex lock failed, error=0x80020115
+ on 5.10.2/12hours, 12minutes ago -> Mutex lock failed, error=0x80020115
+ */
+
+#include "mbed.h"
+
+// RUN ONLY ON mbed-os5.9.7
+#if (MBED_MAJOR_VERSION == 5) &&\
+ (MBED_MINOR_VERSION == 10)
+ // correct mbed-os version
+#else
+ #warning "Not use Mbed-os5.10.x"
+#endif
+
+Serial pc(USBTX, USBRX);
+
+CircularBuffer<char, 1024> rxbuf; // PC receiving Buffer
+
+void rx_handler(void)
+{
+ if (pc.readable()) {
+ rxbuf.push(pc.getc());
+ }
+}
+
+int main()
+{
+ char dt = 0;
+
+ rxbuf.reset();
+ pc.attach(&rx_handler, Serial::RxIrq);
+ while(true){
+ if (!rxbuf.empty()){ // wait receiving a character
+ rxbuf.pop(dt);
+ pc.putc(dt);
+ }
+ }
+}
+
diff -r 000000000000 -r f865905db3ad mbed-os.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Sat Oct 20 07:53:59 2018 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#e1bea44212b8275f7d8ce7253e758c2e25c57482