void main_task
(
uint32_t initial_data
)
{
_task_id task_id;
_mqx_uint i;
fifo.READ_INDEX = 0;
fifo.WRITE_INDEX = 0;
/* Create the semaphores */
if (_sem_create_component(3,1,6) != MQX_OK) {
printf("\nCreate semaphore component failed");
_task_block();
}
if (_sem_create("sem.write", ARRAY_SIZE, 0) != MQX_OK) {
printf("\nCreating write semaphore failed");
_task_block();
}
if (_sem_create("sem.read", 0, 0) != MQX_OK) {
printf("\nCreating read semaphore failed");
_task_block();
}
if (_sem_create("sem.index", 1, 0) != MQX_OK) {
printf("\nCreating index semaphore failed");
_task_block();
}
/* Create the tasks */
for (i = 0; i < NUM_WRITERS; i++) {
task_id = _task_create(0, WRITE_TASK, (uint32_t)i);
printf("\nwrite_task created, id 0x%lx", task_id);
}
task_id = _task_create(0,READ_TASK, 0);
printf("\nread_task created, id 0x%lX", task_id);
_task_block();
}
void main_task
(
uint_32 parameter
)
{
MESSAGE_HEADER_STRUCT_PTR msg_ptr;
_task_id created_task;
_mqx_uint log_result;
_mqx_uint event_result;
_mqx_uint sem_result;
_int_install_unexpected_isr();
printf("\nMQX %s\n",_mqx_version);
printf("Hello from main_task().\n");
/* create the log component */
log_result = _log_create_component();
if (log_result != MQX_OK) {
/* log component could not be created */
} /* endif */
/* Create the mutex component */
if (_mutex_create_component() != MQX_OK) {
/* an error has been detected */
}
/* create the event component */
event_result = _event_create_component(EVENT_INITIAL_NUMBER, EVENT_GROWTH,
EVENT_MAXIMUM);
if (event_result != MQX_OK) {
/* event component could not be created */
printf("Error: Cannot create event component\n");
_task_block();
} /* endif */
/* create the semaphore component */
sem_result = _sem_create_component(SEM_INITIAL_NUMBER, SEM_GROWTH,
SEM_MAXIMUM);
if (sem_result != MQX_OK) {
/* semaphore component could not be created */
printf("Error: Cannot create semaphore component\n");
_task_block();
} /* endif */
MsgPool_pool_id = _msgpool_create ( 8, 10, 0, 0);
if (MsgPool_pool_id == MSGPOOL_NULL_POOL_ID) {
/* _msgpool_create did not succeed */
printf("Error: Cannot create message pool\n");
_task_block();
}
Main_Queue_qid = _msgq_open( MSGQ_FREE_QUEUE, SIZE_UNLIMITED);
if (Main_Queue_qid == (_queue_id)0){
/* queue could not be opened */
printf("Error: Cannot open message pool\n");
_task_block();
}
created_task = _task_create(0, SENDER, 0);
if (created_task == MQX_NULL_TASK_ID) {
/* task creation failed */
printf("Error: Cannot create task\n");
_task_block();
}
created_task = _task_create(0, MUTEXA, 0);
if (created_task == MQX_NULL_TASK_ID) {
/* task creation failed */
printf("Error: Cannot create task\n");
_task_block();
}
created_task = _task_create(0, MUTEXB, 0);
if (created_task == MQX_NULL_TASK_ID) {
/* task creation failed */
printf("Error: Cannot create task\n");
_task_block();
}
created_task = _task_create(0, SEMA, 0);
if (created_task == MQX_NULL_TASK_ID) {
/* task creation failed */
printf("Error: Cannot create task\n");
_task_block();
}
created_task = _task_create(0, SEMB, 0);
if (created_task == MQX_NULL_TASK_ID) {
/* task creation failed */
printf("Error: Cannot create task\n");
_task_block();
}
created_task = _task_create(0, EVENTA, 0);
if (created_task == MQX_NULL_TASK_ID) {
/* task creation failed */
printf("Error: Cannot create task\n");
_task_block();
}
created_task = _task_create(0, EVENTB, 0);
if (created_task == MQX_NULL_TASK_ID) {
/* task creation failed */
printf("Error: Cannot create task\n");
_task_block();
}
#if MQX_KERNEL_LOGGING
/* create log number 0 */
log_result = _klog_create(200, 0);
if (log_result != MQX_OK) {
/* log 0 could not be created */
printf("Error: Cannot create kernel log\n");
_task_block();
} /* endif */
/* define kernel logging */
_klog_control(0xFFFFFFFF, FALSE);
_klog_control(
KLOG_ENABLED |
KLOG_FUNCTIONS_ENABLED |
KLOG_INTERRUPTS_ENABLED |
KLOG_SYSTEM_CLOCK_INT_ENABLED |
KLOG_CONTEXT_ENABLED |
KLOG_TASKING_FUNCTIONS |
KLOG_ERROR_FUNCTIONS |
KLOG_MESSAGE_FUNCTIONS |
KLOG_INTERRUPT_FUNCTIONS |
KLOG_MEMORY_FUNCTIONS |
KLOG_TIME_FUNCTIONS |
KLOG_EVENT_FUNCTIONS |
KLOG_NAME_FUNCTIONS |
KLOG_MUTEX_FUNCTIONS |
KLOG_SEMAPHORE_FUNCTIONS |
KLOG_WATCHDOG_FUNCTIONS,
TRUE
);
#endif
/*
** LOOP -
*/
while ( TRUE ) {
msg_ptr = _msg_alloc((_pool_id) MsgPool_pool_id );
if (msg_ptr == NULL) {
/* No available message buffer */
}
msg_ptr->SIZE = sizeof(MESSAGE_HEADER_STRUCT);
msg_ptr->SOURCE_QID = msg_ptr->TARGET_QID;
msg_ptr->TARGET_QID = Sender_Queue_qid;
_msgq_send(msg_ptr);
/*
* Service the message queue - Main_Queue
*/
msg_ptr = _msgq_receive_ticks(Main_Queue_qid, NO_TIMEOUT);
/* process message End_msg */
_msg_free(msg_ptr);
} /* endwhile */
} /*end of task*/
