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*/