Exemplos de osRtxThreadSwitch em C++ (Cpp)

Exemplo n.º 1

Arquivo: rtx_kernel.c Projeto: sg-/mbed-os

/// Start the RTOS Kernel scheduler.
/// \note API identical to osKernelStart
static osStatus_t svcRtxKernelStart (void) {
  os_thread_t *thread;

  if (osRtxInfo.kernel.state != osRtxKernelReady) {
    EvrRtxKernelError(osRtxErrorKernelNotReady);
    //lint -e{904} "Return statement before end of function" [MISRA Note 1]
    return osError;
  }

  // Thread startup (Idle and Timer Thread)
  if (!osRtxThreadStartup()) {
    EvrRtxKernelError((int32_t)osError);
    //lint -e{904} "Return statement before end of function" [MISRA Note 1]
    return osError;
  }

  // Setup SVC and PendSV System Service Calls
  SVC_Setup();

  // Setup RTOS Tick
  if (OS_Tick_Setup(osRtxConfig.tick_freq, OS_TICK_HANDLER) != 0) {
    EvrRtxKernelError((int32_t)osError);
    //lint -e{904} "Return statement before end of function" [MISRA Note 1]
    return osError;
  }
  osRtxInfo.tick_irqn = OS_Tick_GetIRQn();

  // Enable RTOS Tick
  OS_Tick_Enable();

  // Switch to Ready Thread with highest Priority
  thread = osRtxThreadListGet(&osRtxInfo.thread.ready);
  if (thread == NULL) {
    EvrRtxKernelError((int32_t)osError);
    //lint -e{904} "Return statement before end of function" [MISRA Note 1]
    return osError;
  }
  osRtxThreadSwitch(thread);

  if ((osRtxConfig.flags & osRtxConfigPrivilegedMode) != 0U) {
    // Privileged Thread mode & PSP
    __set_CONTROL(0x02U);
  } else {
    // Unprivileged Thread mode & PSP
    __set_CONTROL(0x03U);
  }

  osRtxInfo.kernel.state = osRtxKernelRunning;

  EvrRtxKernelStarted();

  return osOK;
}

Exemplo n.º 2

Arquivo: rtx_system.c Projeto: Archcady/mbed-os

/// Tick Handler.
void osRtxTick_Handler (void) {
  os_thread_t *thread;

  OS_Tick_AcknowledgeIRQ();
  osRtxInfo.kernel.tick++;

  // Process Timers
  if (osRtxInfo.timer.tick != NULL) {
    osRtxInfo.timer.tick();
  }

  // Process Thread Delays
  osRtxThreadDelayTick();

  osRtxThreadDispatch(NULL);

  // Check Round Robin timeout
  if (osRtxInfo.thread.robin.timeout != 0U) {
    if (osRtxInfo.thread.robin.thread != osRtxInfo.thread.run.next) {
      // Reset Round Robin
      osRtxInfo.thread.robin.thread = osRtxInfo.thread.run.next;
      osRtxInfo.thread.robin.tick   = osRtxInfo.thread.robin.timeout;
    } else {
      if (osRtxInfo.thread.robin.tick != 0U) {
        osRtxInfo.thread.robin.tick--;
      }
      if (osRtxInfo.thread.robin.tick == 0U) {
        // Round Robin Timeout
        if (osRtxKernelGetState() == osRtxKernelRunning) {
          thread = osRtxInfo.thread.ready.thread_list;
          if ((thread != NULL) && (thread->priority == osRtxInfo.thread.robin.thread->priority)) {
            osRtxThreadListRemove(thread);
            osRtxThreadReadyPut(osRtxInfo.thread.robin.thread);
            osRtxThreadSwitch(thread);
            osRtxInfo.thread.robin.thread = thread;
            osRtxInfo.thread.robin.tick   = osRtxInfo.thread.robin.timeout;
          }
        }
      }
    }
  }
}