void task_3(void)
{
uint32 status;
OS_bin_sem_prop_t bin_sem_prop;
int counter = 0;
OS_printf("Starting task 3\n");
OS_TaskRegister();
OS_printf("TASK 3: Waiting on the semaphore\n");
status = OS_BinSemTake(bin_sem_id);
if ( status != OS_SUCCESS )
{
OS_printf("TASK 3: Error calling OS_BinSemTake\n");
}
else
{
status = OS_BinSemGetInfo (bin_sem_id, &bin_sem_prop);
OS_printf("TASK 3: out of BinSemTake: %d\n",(int)bin_sem_prop.value);
}
while(1)
{
OS_TaskDelay(1000);
OS_printf("TASK 3: Doing some work: %d\n", (int)counter++);
}
}
static void test_004_004_execute(void) {
/* [4.4.1] OS_BinSemTake() is invoked with sem_id set to -1, an error
is expected.*/
test_set_step(1);
{
int32 err;
err = OS_BinSemTake((uint32)-1);
test_assert(err == OS_ERR_INVALID_ID, "invalid sem_id not detected");
}
}
void task_1(void)
{
uint32 status;
OS_bin_sem_prop_t bin_sem_prop;
int printf_counter = 0;
OS_printf("Starting task 1\n");
OS_TaskRegister();
OS_printf("Delay for 1 second before starting\n");
OS_TaskDelay(1000);
while(1)
{
status = OS_BinSemTake(bin_sem_id);
if ( status != OS_SUCCESS )
{
OS_printf("TASK 1:Error calling OS_BinSemTake\n");
exit(-1);
}
else
{
printf_counter++;
counter++;
if ( printf_counter > 100 )
{
OS_printf("TASK 1: counter:%d timer_counter:%d\n", (int)counter,(int)timer_counter);
printf_counter = 0;
}
status = OS_BinSemGetInfo (bin_sem_id, &bin_sem_prop);
if ( bin_sem_prop.value > 1 )
{
OS_printf("Error: Binary sem value > 1 ( in task):%d !\n",(int)bin_sem_prop.value);
exit(-1);
}
else if ( bin_sem_prop.value < -1 )
{
OS_printf("Error: Binary sem value < -1 ( in task):%d !\n",(int)bin_sem_prop.value);
exit(-1);
}
}
}
}
/*
** Main function
*/
void OS_Application_Startup(void)
{
uint32 status;
OS_bin_sem_prop_t bin_sem_prop;
OS_API_Init();
OS_printf("OS Application Startup\n");
/*
** Create the binary semaphore
*/
status = OS_BinSemCreate( &bin_sem_id, "BinSem1", 1, 0);
if ( status != OS_SUCCESS )
{
OS_printf("Error creating Binary Sem\n");
}
else
{
status = OS_BinSemGetInfo (bin_sem_id, &bin_sem_prop);
OS_printf("Binary Sem ID = %d, value = %d\n", (int)bin_sem_id, (int)bin_sem_prop.value);
}
/*
** Take the semaphore so the value is 0 and the next SemTake call should block
*/
status = OS_BinSemTake(bin_sem_id);
if ( status != OS_SUCCESS )
{
OS_printf("Error calling OS_BinSemTake with bin_sem_id = %d\n",(int)bin_sem_id);
}
else
{
status = OS_BinSemGetInfo (bin_sem_id, &bin_sem_prop);
OS_printf("Initial Binary Sem Take: value = %d\n", (int)bin_sem_prop.value);
}
/*
** Create the tasks
*/
status = OS_TaskCreate( &task_1_id, "Task 1", task_1, task_1_stack, TASK_STACK_SIZE, TASK_1_PRIORITY, 0);
if ( status != OS_SUCCESS )
{
OS_printf("Error creating Task 1\n");
}
else
{
OS_printf("Created Task 1\n");
}
status = OS_TaskCreate( &task_2_id, "Task 2", task_2, task_2_stack, TASK_STACK_SIZE, TASK_2_PRIORITY, 0);
if ( status != OS_SUCCESS )
{
OS_printf("Error creating Task 2\n");
}
else
{
OS_printf("Created Task 2\n");
}
status = OS_TaskCreate( &task_3_id, "Task 3", task_3, task_3_stack, TASK_STACK_SIZE, TASK_3_PRIORITY, 0);
if ( status != OS_SUCCESS )
{
OS_printf("Error creating Task 3\n");
}
else
{
OS_printf("Created Task 3\n");
}
/*
** Delay, then release the semaphore
*/
OS_TaskDelay(2000);
status = OS_BinSemFlush(bin_sem_id);
OS_printf("Main done!\n");
}
void OS_Application_Startup(void)
{
uint32 status;
OS_bin_sem_prop_t bin_sem_prop;
OS_printf("OS Application Startup\n");
/*
** Create the binary semaphore
*/
status = OS_BinSemCreate( &bin_sem_id, "BinSem1", 1, 0);
if ( status != OS_SUCCESS )
{
OS_printf("Error creating Binary Sem\n");
}
else
{
status = OS_BinSemGetInfo (bin_sem_id, &bin_sem_prop);
OS_printf("Binary Sem ID = %d, value = %d\n", (int)bin_sem_id, (int)bin_sem_prop.value);
}
/*
** Create a timer
*/
status = OS_TimerCreate(&timer_id, "Timer 1", &timer_accuracy, &(TimerFunction));
if ( status != OS_SUCCESS )
{
OS_printf("Error creating OS Timer\n");
}
else
{
OS_printf("Timer ID = %d\n", (int)bin_sem_id);
OS_printf("Timer Accuracy = %d microseconds \n",(int)timer_accuracy);
}
/*
** Take the semaphore so the value is 0 and the next SemTake call should block
*/
status = OS_BinSemTake(bin_sem_id);
if ( status != OS_SUCCESS )
{
OS_printf("Error calling OS_BinSemTake with bin_sem_id = %d\n",(int)bin_sem_id);
}
else
{
status = OS_BinSemGetInfo (bin_sem_id, &bin_sem_prop);
OS_printf("Initial Binary Sem Take: value = %d\n", (int)bin_sem_prop.value);
}
/*
** Create the "consumer" task.
*/
status = OS_TaskCreate( &task_1_id, "Task 1", task_1, task_1_stack, TASK_1_STACK_SIZE, TASK_1_PRIORITY, 0);
if ( status != OS_SUCCESS )
{
OS_printf("Error creating Task 1\n");
}
else
{
OS_printf("Created Task 1\n");
}
/*
** Start the timer
*/
status = OS_TimerSet(timer_id, timer_start, timer_interval);
if ( status != OS_SUCCESS )
{
OS_printf("Error calling OS_TimerSet: ID = %d\n", (int)timer_id);
}
else
{
OS_printf("Timer programmed\n");
}
}
