• RTX mutex
    Hello, I have faced strange program behaviour in my home project. It is running on KEIL RTX. The issue is that only one task is put to wait forever for a mutex which is used by several tasks. Mutex...
  • Mutex trouble
    Hi, When I create task and debug function fi_Test1 program crach on acces to memory. What is cause of it? Thank You int fi_Test1(void) { int res; START_LOCK (int); RETURN (res); END_LOCK;...
  • ISR and Mutex
    Is it allowed to call os_mutex_release from a ISR?
  • RTX mutex
    who unlock the mutex f1() or f2() ? function f1() should unlock the mutex, is this right ? #include <rtl.h> OS_MUT mutex; void f1 (void) { os_mut_wait (mutex, 0xffff); f2 (); .. /* Critical...
  • Token Release Behaviour in Mutex vs Semaphore
    Hi, I have a question regarding the usage and behaviour of Mutex vs Semaphore in RTX v4.7, in which I have two threads that needs to access a critical section. Obviously Mutex seems to be the...