István Cserny
RTOS example - using stdio_mutex controlling the access to printf(). Note that this is necessary only for Cortex-M0 MCU-s
Revision 0:fe1656248d2b, committed 2022-02-24
- Comitter:
- cspista
- Date:
- Thu Feb 24 08:06:02 2022 +0000
- Commit message:
- final version
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Feb 24 08:06:02 2022 +0000
@@ -0,0 +1,30 @@
+#include "mbed.h"
+#include "rtos.h"
+
+Serial pc(USBTX,USBRX); //UART via ST-Link
+Mutex stdio_mutex;
+
+void notify(const char* name, int state)
+{
+ stdio_mutex.lock();
+ pc.printf("%s: %d\n\r", name, state);
+ stdio_mutex.unlock();
+}
+
+void test_thread(void const *args)
+{
+ while (true) {
+ notify((const char*)args, 0);
+ Thread::wait(1000);
+ notify((const char*)args, 1);
+ Thread::wait(1000);
+ }
+}
+
+int main()
+{
+ pc.baud(115200);
+ Thread t2(test_thread, (void *)"Th 2");
+ Thread t3(test_thread, (void *)"Th 3");
+ test_thread((void *)"Th 1");
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Thu Feb 24 08:06:02 2022 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed-rtos/#5713cbbdb706
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Feb 24 08:06:02 2022 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file