static void event(void) { #if MQX_USE_EVENTS IF_TINIEST(pointer handle=0); IF_TINIEST(_mqx_uint value=0); IF_SMALL(_event_create_component(1, 1, 1)); IF_SMALL(_event_create_fast(1)); IF_SMALL(_event_create_fast_auto_clear(1)); IF_SMALL(_event_open("e", &handle)); IF_SMALL(_event_set(handle, 0)); IF_SMALL(_event_clear(handle, 0)); IF_SMALL(_event_wait_all(handle, 0, 0)); IF_TYPICAL(_event_close(handle)); IF_TYPICAL(_event_create("e")); IF_MAX(_event_create_auto_clear("e")); IF_TYPICAL(_event_destroy("e")); IF_MAX(_event_destroy_fast(1)); IF_MAX(_event_get_value(handle, &value)); IF_MAX(_event_get_wait_count(handle)); IF_MAX(_event_open_fast(1, &handle)); IF_MAX(_event_test(&handle)); IF_MAX(_event_wait_all_for(handle, 0, NULL)); IF_TYPICAL(_event_wait_all_ticks(handle, 0, 0)); IF_MAX(_event_wait_all_until(handle, 0, NULL)); IF_MAX(_event_wait_any(handle, 0, 0)); IF_MAX(_event_wait_any_for(handle, 0, NULL)); IF_TYPICAL(_event_wait_any_ticks(handle, 0, 0)); IF_MAX(_event_wait_any_until(handle, 0, NULL)); #endif }
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*/
_mqx_uint _event_create_internal ( /* [IN] the string name for the event */ char _PTR_ name_ptr, /* [OUT] where the event pointer is */ EVENT_STRUCT_PTR _PTR_ event_ptr_ptr ) { /* Body */ KERNEL_DATA_STRUCT_PTR kernel_data; register EVENT_COMPONENT_STRUCT_PTR event_component_ptr; register EVENT_STRUCT_PTR event_ptr; _mqx_uint result; _GET_KERNEL_DATA(kernel_data); _KLOGE2(KLOG_event_create, name_ptr); #if MQX_CHECK_ERRORS if (kernel_data->IN_ISR) { _KLOGX2(KLOG_event_create, MQX_CANNOT_CALL_FUNCTION_FROM_ISR); return(MQX_CANNOT_CALL_FUNCTION_FROM_ISR); } /* Endif */ #endif event_component_ptr = (EVENT_COMPONENT_STRUCT_PTR) kernel_data->KERNEL_COMPONENTS[KERNEL_EVENTS]; if (event_component_ptr == NULL) { result = _event_create_component(EVENT_DEFAULT_INITIAL_NUMBER, EVENT_DEFAULT_GROW_NUMBER, EVENT_DEFAULT_MAXIMUM_NUMBER); event_component_ptr = (EVENT_COMPONENT_STRUCT_PTR) kernel_data->KERNEL_COMPONENTS[KERNEL_EVENTS]; #if MQX_CHECK_MEMORY_ALLOCATION_ERRORS if (event_component_ptr == NULL){ _KLOGX2(KLOG_event_create, result); return(result); } /* Endif */ #endif } /* Endif */ #if MQX_CHECK_VALIDITY if (event_component_ptr->VALID != EVENT_VALID){ _KLOGX2(KLOG_event_create, MQX_INVALID_COMPONENT_BASE); return(MQX_INVALID_COMPONENT_BASE); } /* Endif */ #endif event_ptr = (EVENT_STRUCT_PTR)_mem_alloc_system_zero( (_mem_size)sizeof(EVENT_STRUCT)); #if MQX_CHECK_MEMORY_ALLOCATION_ERRORS if (event_ptr == NULL) { _KLOGX2(KLOG_event_create, MQX_OUT_OF_MEMORY); return(MQX_OUT_OF_MEMORY); } /* Endif */ #endif _mem_set_type(event_ptr, MEM_TYPE_EVENT); _QUEUE_INIT(&event_ptr->WAITING_TASKS, EVENT_MAX_WAITING_TASKS); strncpy(event_ptr->NAME, name_ptr, (_mqx_uint)NAME_MAX_NAME_SIZE-1); event_ptr->NAME[NAME_MAX_NAME_SIZE-1] = '\0'; result = _name_add_internal(event_component_ptr->NAME_TABLE_HANDLE, event_ptr->NAME, (_mqx_uint)event_ptr); #if MQX_CHECK_ERRORS if (result != MQX_OK) { _mem_free(event_ptr); if (result == NAME_EXISTS) { _KLOGX2(KLOG_event_create, EVENT_EXISTS); return(EVENT_EXISTS); } else if (result == NAME_TABLE_FULL) { _KLOGX2(KLOG_event_create, EVENT_TABLE_FULL); return(EVENT_TABLE_FULL); } /* Endif */ _KLOGX2(KLOG_event_create, result); return(result); } /* Endif */ #endif event_ptr->VALID = EVENT_VALID; *event_ptr_ptr = event_ptr; _KLOGX2(KLOG_event_create, result); return(result); } /* Endbody */