void thread_3_and_4_entry(ULONG thread_input)
{
UINT status;
/* This function is executed from thread 3 and thread 4. As the loop
below shows, these function compete for ownership of semaphore_0. */
while(1)
{
/* Increment the thread counter. */
if (thread_input == 3)
thread_3_counter++;
else
thread_4_counter++;
/* Get the semaphore with suspension. */
status = tx_semaphore_get(&semaphore_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Sleep for 2 ticks to hold the semaphore. */
tx_thread_sleep(2);
/* Release the semaphore. */
status = tx_semaphore_put(&semaphore_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}
void __mg_os_time_delay (int ms)
{
#ifndef __NOUNIX__
/* use select instead of usleep */
struct timeval timeout;
timeout.tv_sec=0;
timeout.tv_usec=ms*1000;
while (select (0, NULL, NULL, NULL, &timeout) < 0);
#elif defined (__UCOSII__)
OSTimeDly (OS_TICKS_PER_SEC * ms / 1000);
#elif defined (__VXWORKS__)
taskDelay (sysClkRateGet() * ms / 1000);
#elif defined (__PSOS__) || defined (__ECOS__)
struct timespec ts;
ts.tv_sec = 0;
ts.tv_nsec = ms * 1000000;
nanosleep (&ts, NULL);
#elif defined (WIN32)
void __stdcall Sleep (DWORD dwMilliSeconds);
Sleep (ms);
#elif defined (__THREADX__)
tx_thread_sleep (ms/10);
#elif defined (__NUCLEUS__)
NU_Sleep (ms/10);
#elif defined (__OSE__)
delay(ms);
#endif
}
void Slow_Thread_entry(ULONG thread_input)
{
ULONG current_time;
while(1)
{
/* Activity 5 - 12 timer-ticks *** critical section *** */
/* Get the mutex with suspension */
tx_mutex_get(&my_mutex, TX_WAIT_FOREVER);
tx_thread_sleep(12);
/* Release the mutex */
tx_mutex_put(&my_mutex);
/* Activity 6 - 8 timer-ticks */
tx_thread_sleep(8);
/* Activity 7 - 11 timer-ticks *** critical section *** */
/* Get the mutex with suspension */
tx_mutex_get(&my_mutex, TX_WAIT_FOREVER);
tx_thread_sleep(11);
/* Release the mutex */
tx_mutex_put(&my_mutex);
/* Activity 8 - 9 timer-ticks */
tx_thread_sleep(9);
current_time = tx_time_get();
printf("Current Time: %5lu Slow_Thread finished a cycle¡\n",
current_time);
}
}
void thread_6_and_7_entry(ULONG thread_input)
{
UINT status;
/* This function is executed from thread 6 and thread 7. As the loop
below shows, these function compete for ownership of mutex_0. */
while(1)
{
/* Increment the thread counter. */
if (thread_input == 6)
thread_6_counter++;
else
thread_7_counter++;
/* Get the mutex with suspension. */
status = tx_mutex_get(&mutex_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Get the mutex again with suspension. This shows
that an owning thread may retrieve the mutex it
owns multiple times. */
status = tx_mutex_get(&mutex_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Sleep for 2 ticks to hold the mutex. */
tx_thread_sleep(2);
/* Release the mutex. */
status = tx_mutex_put(&mutex_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Release the mutex again. This will actually
release ownership since it was obtained twice. */
status = tx_mutex_put(&mutex_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}
void Speedy_Thread_entry(ULONG thread_input)
{
ULONG current_time;
while (1)
{
/* Activity 1: 2 timer-ticks */
tx_thread_sleep(2);
/* Get the mutex with suspension */
tx_mutex_get(&my_mutex, TX_WAIT_FOREVER);
/* Activity 2: 5 timer-ticks *** critical section *** */
tx_thread_sleep(5);
/* Release the mutex */
tx_mutex_put(&my_mutex);
/* Activity 3: 4 timer-ticks */
tx_thread_sleep(4);
/* Get the mutex with suspension */
tx_mutex_get(&my_mutex, TX_WAIT_FOREVER);
/* Activity 4: 3 timer-ticks *** critical section *** */
tx_thread_sleep(3);
/* Release the mutex */
tx_mutex_put(&my_mutex);
current_time = tx_time_get();
printf(" Current Time: %5lu Speedy_Thread finished a cycle¡\n",
current_time);
}
}
/**
* Delay for a number of milliseconds
*
* Processing of this function depends on the minimum sleep
* time resolution of the RTOS.
* The current thread sleeps for the longest period possible which
* is less than the delay required, then makes up the difference
* with a tight loop
*
* @return wwd_result_t : WWD_SUCCESS if delay was successful
* : WICED_ERROR if an error occurred
*
*/
wwd_result_t host_rtos_delay_milliseconds( uint32_t num_ms )
{
if ( ( num_ms * SYSTICK_FREQUENCY / 1000 ) != 0 )
{
if ( ( tx_thread_sleep( (ULONG) ( num_ms * SYSTICK_FREQUENCY / 1000 ) ) ) != TX_SUCCESS )
{
return WWD_SLEEP_ERROR;
}
}
else
{
uint32_t time_reference = host_platform_get_cycle_count( );
int32_t wait_time = (int32_t)num_ms * CPU_CLOCK_HZ / 1000;
while ( wait_time > 0 )
{
uint32_t current_time = host_platform_get_cycle_count( );
wait_time -= (int32_t)( current_time - time_reference );
time_reference = current_time;
}
}
return WWD_SUCCESS;
}
void thread_0_entry(ULONG thread_input)
{
UINT status;
/* This thread simply sits in while-forever-sleep loop. */
while(1)
{
/* Increment the thread counter. */
thread_0_counter++;
/* Sleep for 10 ticks. */
tx_thread_sleep(10);
/* Set event flag 0 to wakeup thread 5. */
status = tx_event_flags_set(&event_flags_0, 0x1, TX_OR);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}