コード例 #1
0
ファイル: sender.c プロジェクト: zhouglu/K60F120M
void Sender
   (
      uint_32   parameter
   )
{
   _mqx_uint  msg[MSG_SIZE];
   _task_id   created_task;
   
   created_task = _task_create(0, RESPONDER, 0);
   if (created_task == MQX_NULL_TASK_ID) {
      /* task creation failed */
   }

   /*
   * Service the message queue - Sender_Queue
   */
   _lwmsgq_receive((pointer)sender_queue, msg, LWMSGQ_RECEIVE_BLOCK_ON_EMPTY, 0, 0);
   _lwmsgq_send((pointer)responder_queue, msg, LWMSGQ_SEND_BLOCK_ON_FULL);   

   /* 
   ** LOOP - 
   */
   while ( TRUE ) {
      /*
      * Service the message queue - Sender_Queue
      */
      _lwmsgq_receive((pointer)sender_queue, msg, LWMSGQ_RECEIVE_BLOCK_ON_EMPTY, 0, 0);
      _time_delay_ticks(3);
      _lwmsgq_send((pointer)responder_queue, msg, LWMSGQ_SEND_BLOCK_ON_FULL);
      putchar('.');
   } /* endwhile */ 

} /*end of task*/
コード例 #2
0
ファイル: usermode.c プロジェクト: zhouglu/K60F120M
static void privilege_task(uint_32 initial_data) 
{
    _mqx_uint msg[MSG_SIZE];
    _lwmem_pool_id mem_pool_id;
    LWMEM_POOL_STRUCT mem_pool;
    pointer mem_pool_start;
    
    LWMEM_POOL_STRUCT_PTR usr_pool_ptr;
    pointer usr_pool_start;
    
    /* memory pool: Read-Only for User tasks */
    mem_pool_start = _mem_alloc(1024);
    mem_pool_id = _lwmem_create_pool(&mem_pool, mem_pool_start, 1024);
    _mem_set_pool_access(mem_pool_id, POOL_USER_RO_ACCESS);

    /* message queue to communicate between this task and User tasks */
    que = (uint_32*)_mem_alloc_from(mem_pool_id, sizeof(LWMSGQ_STRUCT) + NUM_MESSAGES * MSG_SIZE * sizeof(_mqx_uint));
    _usr_lwmsgq_init((pointer)que, NUM_MESSAGES, MSG_SIZE);

    /* memory pool: Read-Write for user tasks */
    usr_pool_ptr = _usr_mem_alloc(sizeof(LWMEM_POOL_STRUCT));
    usr_pool_start = _mem_alloc(1024);
    usr_pool_id = _lwmem_create_pool(usr_pool_ptr, usr_pool_start, 1024);
    _mem_set_pool_access(usr_pool_id, POOL_USER_RW_ACCESS);

    /* create the user "main" task, whcih then creates the others */
    _task_create(0, USR_MAIN_TASK, USR_TASK_CNT);

    /* receive messages from user tasks and print */
    while (1) {
        _lwmsgq_receive((pointer)que, msg, LWMSGQ_RECEIVE_BLOCK_ON_EMPTY, 0, 0);
        printf(" %c \n", msg[0]);
    }
}
コード例 #3
0
ファイル: adapter_mqx.c プロジェクト: BillyZhangZ/wifi
uint32_t OS_MsgQ_recv(os_msgq_handle msgq, void* msg, uint32_t flag, uint32_t timeout)
{
    if (MQX_OK != _lwmsgq_receive(msgq, (uint32_t *) msg, flag, timeout, NULL))
    {
        return (uint32_t)OS_MSGQ_ERROR;
    }
    return (uint32_t)OS_MSGQ_OK;
}
コード例 #4
0
ファイル: adapter_mqx.c プロジェクト: BillyZhangZ/wifi
uint32_t OS_MsgQ_Is_Empty(os_msgq_handle msgq, void* msg)
{
    uint32_t ret;
    ret = LWMSGQ_IS_EMPTY(msgq);
    if (!ret)
    {
        if (MQX_OK != _lwmsgq_receive(msgq, (uint32_t *) msg, OS_MSGQ_RECEIVE_BLOCK_ON_EMPTY, 1, NULL))
        {
            return (uint32_t)OS_MSGQ_ERROR;
        }
    }
    return ret;

}
コード例 #5
0
ファイル: client.c プロジェクト: gxliu/MQX_3.8.0
void client_task
   (
      uint_32 index
   )
{
   _mqx_uint          msg[MSG_SIZE];
  
   while (TRUE) {
      msg[0] = ('A'+ index);
     
      printf("Client Task %ld\n", index);
      _lwmsgq_send((pointer)server_queue, msg, LWMSGQ_SEND_BLOCK_ON_FULL);

      _time_delay_ticks(1);
      
      /* wait for a return message */
      _lwmsgq_receive((pointer)client_queue, msg, LWMSGQ_RECEIVE_BLOCK_ON_EMPTY, 0, 0);
   }

}
コード例 #6
0
ファイル: responde.c プロジェクト: kylemanna/kinetis-sdk1
void Responder
   (
      uint32_t   parameter
   )
{
   uint32_t   msg[MSG_SIZE];

   /*
   ** LOOP - 
   */
   while ( TRUE ) {
      /*
      * Service the message queue - Responder_Queue
      */
      _lwmsgq_receive((void *)responder_queue, msg, LWMSGQ_RECEIVE_BLOCK_ON_EMPTY, 0, 0);
      _lwmsgq_send((void *)sender_queue, msg, LWMSGQ_SEND_BLOCK_ON_FULL);

      putchar('.');
   } /* endwhile */
} /*end of task*/
コード例 #7
0
ファイル: cortex.c プロジェクト: Vinhuit/Freescale
/*!
 * \brief 	MQX API handler for usermode - part of wrapper around standard MQX API
 *  which require privilege mode.
 *
 * \param[in] api_no API number - number of wrapped function
 * \param[in] params generic parameter - direct use with called MQX API fn
 *
 * \return uint32_t return of called function
 */
uint32_t _mqx_api_call_handler
    (
        // [IN] API number - number of wrapped function
        MQX_API_NUMBER_ENUM api_no,
        // [IN] generic parameter - direct use with called MQX API fn
        MQX_API_CALL_PARAMS_PTR params
    )
{
    int32_t res = -1;
    uint32_t param0 = params->param0;
    uint32_t param1 = params->param1;
    uint32_t param2 = params->param2;
    uint32_t param3 = params->param3;
    uint32_t param4 = params->param4;

    switch (api_no) {

    // _lwsem
    case MQX_API_LWSEM_POLL:
        if (MQX_OK == (res = _lwsem_usr_check((LWSEM_STRUCT_PTR)param0)))
            res = (uint32_t)_lwsem_poll((LWSEM_STRUCT_PTR)param0);
        break;
    case MQX_API_LWSEM_POST:
        if (MQX_OK == (res = _lwsem_usr_check((LWSEM_STRUCT_PTR)param0)))
            res = _lwsem_post((LWSEM_STRUCT_PTR)param0);
        break;
    case MQX_API_LWSEM_WAIT:
        if (MQX_OK == (res = _lwsem_usr_check((LWSEM_STRUCT_PTR)param0)))
            res = _lwsem_wait((LWSEM_STRUCT_PTR)param0);
        break;
    case MQX_API_LWSEM_CREATE:
        res = _lwsem_create_internal((LWSEM_STRUCT_PTR)param0, (_mqx_int)param1, (bool)param2, TRUE);
        break;
#if MQX_HAS_TICK
    case MQX_API_LWSEM_WAIT_FOR:
        if (MQX_OK == (res = _lwsem_usr_check((LWSEM_STRUCT_PTR)param0)) && (!param1 || _psp_mem_check_access(param1, sizeof(MQX_TICK_STRUCT), MPU_UM_RW)))
            res = _lwsem_wait_for((LWSEM_STRUCT_PTR)param0, (MQX_TICK_STRUCT_PTR)param1);
        break;
    case MQX_API_LWSEM_WAIT_TICKS:
        if (MQX_OK == (res = _lwsem_usr_check((LWSEM_STRUCT_PTR)param0)))
            res = _lwsem_wait_ticks((LWSEM_STRUCT_PTR)param0, (_mqx_uint)param1);
        break;
    case MQX_API_LWSEM_WAIT_UNTIL:
        if (MQX_OK == (res = _lwsem_usr_check((LWSEM_STRUCT_PTR)param0)) && (!param1 || _psp_mem_check_access(param1, sizeof(MQX_TICK_STRUCT), MPU_UM_RW)))
            res = _lwsem_wait_until((LWSEM_STRUCT_PTR)param0, (MQX_TICK_STRUCT_PTR)param1);
        break;
    case MQX_API_LWSEM_DESTROY:
        if (MQX_OK == (res = _lwsem_usr_check((LWSEM_STRUCT_PTR)param0))) {
            res = _lwsem_destroy_internal((LWSEM_STRUCT_PTR)param0, TRUE);
        }
        break;

#endif // MQX_HAS_TICK

    // _lwevent
#if MQX_USE_LWEVENTS
    case MQX_API_LWEVENT_CLEAR:
        if (MQX_OK == (res = _lwevent_usr_check((LWEVENT_STRUCT_PTR)param0)))
            res = _lwevent_clear((LWEVENT_STRUCT_PTR)param0, (_mqx_uint)param1);
        break;
    case MQX_API_LWEVENT_SET:
        if (MQX_OK == (res = _lwevent_usr_check((LWEVENT_STRUCT_PTR)param0)))
            res = _lwevent_set((LWEVENT_STRUCT_PTR)param0, (_mqx_uint)param1);
        break;
    case MQX_API_LWEVENT_SET_AUTO_CLEAR:
        if (MQX_OK == (res = _lwevent_usr_check((LWEVENT_STRUCT_PTR)param0)))
            res = _lwevent_set_auto_clear((LWEVENT_STRUCT_PTR)param0, (_mqx_uint)param1);
        break;
    case MQX_API_LWEVENT_WAIT_FOR:
        if (MQX_OK == (res = _lwevent_usr_check((LWEVENT_STRUCT_PTR)param0)) && \
            (!param3 || _psp_mem_check_access(param3, sizeof(MQX_TICK_STRUCT), MPU_UM_RW))) {
            res = _lwevent_wait_for((LWEVENT_STRUCT_PTR)param0, (_mqx_uint)param1, (bool)param2, (MQX_TICK_STRUCT_PTR)param3);
        }
        break;
    case MQX_API_LWEVENT_WAIT_FOR_TICKS:
        if (MQX_OK == (res = _lwevent_usr_check((LWEVENT_STRUCT_PTR)param0))) {
            res = _lwevent_wait_ticks((LWEVENT_STRUCT_PTR)param0, (_mqx_uint)param1, (bool)param2, (_mqx_uint)param3);
        }
        break;
    case MQX_API_LWEVENT_WAIT_UNTIL:
        if (MQX_OK == (res = _lwevent_usr_check((LWEVENT_STRUCT_PTR)param0)) && \
            (!param3 || _psp_mem_check_access(param3, sizeof(MQX_TICK_STRUCT), MPU_UM_RW))) {
            res = _lwevent_wait_until((LWEVENT_STRUCT_PTR)param0, (_mqx_uint)param1, (bool)param2, (MQX_TICK_STRUCT_PTR)param3);
        }
        break;
    case MQX_API_LWEVENT_GET_SIGNALLED:
        res = _lwevent_get_signalled();
        break;

    case MQX_API_LWEVENT_CREATE:
        res = _lwevent_create_internal((LWEVENT_STRUCT_PTR)param0, (_mqx_uint)param1, TRUE);
        break;

    case MQX_API_LWEVENT_DESTROY:
        if (MQX_OK == (res = _lwevent_usr_check((LWEVENT_STRUCT_PTR)param0))) {
            res = _lwevent_destroy_internal((LWEVENT_STRUCT_PTR)param0, TRUE);
        }
        break;
#endif

#if MQX_USE_LWMSGQ
    case MQX_API_LWMSGQ_INIT:
        res = _lwmsgq_init_internal((void *)param0, (_mqx_uint)param1, (_mqx_uint)param2, TRUE);
        break;
    case MQX_API_LWMSGQ_RECEIVE:
        if (MQX_OK == (res = _lwmsgq_usr_check((LWMSGQ_STRUCT_PTR)param0)) && \
            _psp_mem_check_access(param1, ((LWMSGQ_STRUCT_PTR)param0)->MSG_SIZE, MPU_UM_RW) && \
            (!param4 || _psp_mem_check_access(param4, sizeof(MQX_TICK_STRUCT), MPU_UM_RW)))
            res = _lwmsgq_receive((void *)param0, (_mqx_max_type_ptr)param1, (_mqx_uint)param2, (_mqx_uint)param3, (MQX_TICK_STRUCT_PTR)param4);

        break;
    case MQX_API_LWMSGQ_SEND:
        if (MQX_OK == (res = _lwmsgq_usr_check((LWMSGQ_STRUCT_PTR)param0)) && \
            _psp_mem_check_access(param1, ((LWMSGQ_STRUCT_PTR)param0)->MSG_SIZE, MPU_UM_RW))
            res = _lwmsgq_send((void *)param0, (_mqx_max_type_ptr)param1, (_mqx_uint)param2);
        break;
#endif // MQX_USE_LWMSGQ

    case MQX_API_TASK_CREATE:
        res = _task_create_internal((_processor_number)param0, (_mqx_uint)param1, (uint32_t)param2, TRUE);
        break;
    case MQX_API_TASK_DESTROY:
        res = _task_destroy_internal((_task_id)param0, TRUE);
        break;
    case MQX_API_TASK_ABORT:
        res = _task_abort_internal((_task_id)param0, TRUE);
        break;
    case MQX_API_TASK_READY:
        _task_ready((void *)param0);
        res = MQX_OK;       // irelevant, function is without return value
        break;
    case MQX_API_TASK_SET_ERROR:
        res = _task_set_error((_mqx_uint)param0);
        break;
    case MQX_API_TASK_GET_TD:
        res = (uint32_t)_task_get_td((_task_id)param0);
        break;

#if MQX_USE_LWMEM
    case MQX_API_LWMEM_ALLOC:
        res = (uint32_t)_usr_lwmem_alloc_internal((_mem_size)param0);
        break;

    case MQX_API_LWMEM_ALLOC_FROM:
        if (_psp_mem_check_access(param0, sizeof(LWMEM_POOL_STRUCT), MPU_UM_RW) && \
            _psp_mem_check_access((uint32_t)(((LWMEM_POOL_STRUCT_PTR)param0)->POOL_ALLOC_START_PTR), (char*)(((LWMEM_POOL_STRUCT_PTR)param0)->POOL_ALLOC_END_PTR) - (char*)(((LWMEM_POOL_STRUCT_PTR)param0)->POOL_ALLOC_START_PTR), MPU_UM_RW))
            res = (uint32_t)_lwmem_alloc_from((_lwmem_pool_id)param0, (_mem_size)param1);
        else
            res = 0; // NULL, allocation failed
        break;

    case MQX_API_LWMEM_FREE:
        if (_psp_mem_check_access(param0, 4, MPU_UM_RW))
            res = _lwmem_free((void *)param0);
        break;

    case MQX_API_LWMEM_CREATE_POOL:\
        if (_psp_mem_check_access(param0, sizeof(LWMEM_POOL_STRUCT), MPU_UM_RW) && \
            _psp_mem_check_access(param1, param2, MPU_UM_RW))
            res = (uint32_t)_lwmem_create_pool((LWMEM_POOL_STRUCT_PTR)param0, (void *)param1, (_mem_size)param2);
        break;

    case MQX_API_LWMEM_REALLOC:
        if (_psp_mem_check_access(param0, 4, MPU_UM_RW))
          res = (uint32_t)_lwmem_realloc((void *)param0,(_mem_size)param1);
        break;
#endif // MQX_USE_LWMEM

    // _time
    case MQX_API_TIME_DELAY:
        _time_delay(param0);
        res = MQX_OK;       // irelevant, function is without return value
        break;

#if MQX_HAS_TICK
    case MQX_API_TIME_DELAY_TICKS:
        _time_delay_ticks(param0);
        res = MQX_OK;       // irelevant, function is without return value
        break;
    case MQX_API_TIME_GET_ELAPSED_TICKS:
        if (_psp_mem_check_access(param0, sizeof(MQX_TICK_STRUCT), MPU_UM_RW)) {
            _time_get_elapsed_ticks((MQX_TICK_STRUCT_PTR)param0);
            res = MQX_OK;       // irelevant, function is without return value
        }
        else {
            _task_set_error(MQX_ACCESS_ERROR);
        }

        break;
#endif // MQX_HAS_TICK
    default:
        while (1);
    }

    return res;
}
コード例 #8
0
ファイル: remote_com.c プロジェクト: 51104271/CW_FRDM-KE06Z
void remote_com_app(pointer rcom_msg_queue, pointer controller_msg_queue,
		sync_buffer_t *rcom_to_controller_sync_buffer) {
	SWM_msg_t msg;
	if (_lwmsgq_receive(rcom_msg_queue, (_mqx_max_type_ptr) &msg,
			LWMSGQ_RECEIVE_BLOCK_ON_EMPTY, 0, NULL ) != MQX_OK) {
		DEBUG("ERR: receive msg failed\n");
	}

	char *result = NULL;
	char *rcom_to_controller_buffer = NULL;

	switch (msg.cmd) {
	case RCOM_START_CMD:
		DEBUG("RCOM starting...\n");
		if (!sim900_start()) {
			DEBUG("\tERR: SIM start failed\n");
			msg.result_type = FAIL;
			_lwmsgq_send(controller_msg_queue, (_mqx_max_type_ptr) &msg, 0);
			return;
		}
		msg.result_type = SUCCESS;
		_lwmsgq_send(controller_msg_queue, (_mqx_max_type_ptr) &msg, 0);
		break;
	case RCOM_STOP_CMD:
		DEBUG("RCOM stoping...\n");
		sim900_stop();
		break;
	case RCOM_CONFIGURE_CMD:
		DEBUG("RCOM configuring...\n");
		if (!sim900_default_config()) {
			DEBUG("\tERR: SIM configuration failed\n");
			msg.result_type = FAIL;
			_lwmsgq_send(controller_msg_queue, (_mqx_max_type_ptr) &msg, 0);
			return;
		}

		DEBUG("RCOM checking SIM inserted...\n");
		if (!sim900_check_SIM_inserted()) {
			DEBUG("\tERR: SIM removed\n");
			msg.result_type = FAIL;
			_lwmsgq_send(controller_msg_queue, (_mqx_max_type_ptr) &msg, 0);
			return;
		}

		DEBUG("RCOM setting APN auto-ly...\n");
		if (!set_APN_auto()) {
			DEBUG("\tERR: Can't set APN\n");
			msg.result_type = FAIL;
			_lwmsgq_send(controller_msg_queue, (_mqx_max_type_ptr) &msg, 0);
			return;
		}

		msg.result_type = SUCCESS;
		_lwmsgq_send(controller_msg_queue, (_mqx_max_type_ptr) &msg, 0);
		break;
	case RCOM_CONNECT_INTERNET_CMD:
		DEBUG("RCOM connecting internet...\n");
		if (!sim900_connect_internet()) {
			DEBUG("\tERR: Can't connect internet\n");
			msg.result_type = FAIL;
			_lwmsgq_send(controller_msg_queue, (_mqx_max_type_ptr) &msg, 0);
			return;
		}

		msg.result_type = SUCCESS;
		_lwmsgq_send(controller_msg_queue, (_mqx_max_type_ptr) &msg, 0);
		break;
	case RCOM_SEND_SMS_MSG_CMD:
		DEBUG("RCOM sending SMS msg...\n");
//		sim900_send_sms("0947380243", "nvhien");
		break;
	case RCOM_HAVE_SMS_MSG_CMD:
		DEBUG("RCOM reading SMS msg...\n");
		result = sim900_read_SMS_msg(msg.content.value);
		rcom_to_controller_buffer = (char*) sync_buffer_get_resource_to_write(
				rcom_to_controller_sync_buffer);
		SIM900_SMS_msg_t sms_msg;
		sms_msg.phone_number = rcom_to_controller_buffer
				+ sizeof(SIM900_SMS_msg_t);
		sim900_get_phone_number_from_SMS_msg(result, sms_msg.phone_number);
		sim900_normalize_phone_number(sms_msg.phone_number, VN_phone_code);
		sms_msg.content = sms_msg.phone_number + strlen(sms_msg.phone_number)
				+ 1;
		sim900_get_content_from_SMS_msg(result, sms_msg.content);
		memcpy(rcom_to_controller_buffer, (void*) &sms_msg,
				sizeof(SIM900_SMS_msg_t));
		sync_buffer_allow_read(rcom_to_controller_sync_buffer);
		msg.result_type = SUCCESS;
		msg.content.ptr = (void*) rcom_to_controller_sync_buffer;
		_lwmsgq_send(controller_msg_queue, (_mqx_max_type_ptr) &msg, 0);
		break;
	case RCOM_MAKE_MISSED_CALL_CMD:
		DEBUG("RCOM making missed voice call...\n");
//		sim900_make_missed_voice_call(buffer);
		break;
	case RCOM_REPORT_DATA_CMD:
		break;
	case RCOM_UPDATE_DATA_CMD:
		break;
	case RCOM_POLL_COMMAND_CMD:
		break;
	case RCOM_GET_TIMESTAMP_CMD:
		DEBUG("RCOM getting timestamp...\n");
		result = sim900_HTTP_GET(URL_time_stamp);
		if (!result) {
			msg.result_type = FAIL;
			_lwmsgq_send(controller_msg_queue, (_mqx_max_type_ptr) &msg, 0);
			return;
		}
		sync_buffer_write(rcom_to_controller_sync_buffer, (uint8_t*) result,
				strlen(result) + 1);
		sync_buffer_allow_read(rcom_to_controller_sync_buffer);
		msg.result_type = SUCCESS;
		msg.content.ptr = (void*) rcom_to_controller_sync_buffer;
		_lwmsgq_send(controller_msg_queue, (_mqx_max_type_ptr) &msg, 0);
		break;
	default:
		break;
	}
	return;
}
コード例 #9
0
ファイル: USB_Task.c プロジェクト: zhouglu/K60F120M
void USB_task(uint_32 param)
{ 
    _usb_host_handle     host_handle;
    USB_STATUS           error;
    pointer              usb_fs_handle = NULL;
    usb_msg_t            msg;
    /* Store mounting point used. A: is the first one, bit #0 assigned, Z: is the last one, bit #25 assigned */
    uint_32              fs_mountp = 0;
   
#if DEMOCFG_USE_POOLS && defined(DEMOCFG_MFS_POOL_ADDR) && defined(DEMOCFG_MFS_POOL_SIZE)
    _MFS_pool_id = _mem_create_pool((pointer)DEMOCFG_MFS_POOL_ADDR, DEMOCFG_MFS_POOL_SIZE);
#endif

    /* This event will inform other tasks that the filesystem on USB was successfully installed */
    _lwsem_create(&USB_Stick, 0);
    
    if (MQX_OK != _lwmsgq_init(usb_taskq, 20, USB_TASKQ_GRANM)) {
        // lwmsgq_init failed
        _task_block();
    }

    USB_lock();
    _int_install_unexpected_isr();
   if (MQX_OK != _usb_host_driver_install(USBCFG_DEFAULT_HOST_CONTROLLER)) {
      printf("\n Driver installation failed");
      _task_block();
   }

    error = _usb_host_init(USBCFG_DEFAULT_HOST_CONTROLLER, &host_handle);
    if (error == USB_OK) {
        error = _usb_host_driver_info_register(host_handle, (pointer)ClassDriverInfoTable);
        if (error == USB_OK) {
            error = _usb_host_register_service(host_handle, USB_SERVICE_HOST_RESUME,NULL);
        }
    }

    USB_unlock();

    if (error != USB_OK) {
        _task_block();
    }
      
    for (;;) {
        /* Wait for event sent as a message */
        _lwmsgq_receive(&usb_taskq, (_mqx_max_type *) &msg, LWMSGQ_RECEIVE_BLOCK_ON_EMPTY, 0, 0);
         
        //if (device.STATE == USB_DEVICE_ATTACHED) {
        if (msg.body == USB_EVENT_ATTACH) {
          /* This event is not so important, because it does not inform about successfull USB stack enumeration */
        } else if (msg.body == USB_EVENT_INTF && fs_mountp != 0x3FFC)  { /* if mountpoints c: to z: are already used */

            // Install the file system, use device->ccs as a handle
            usb_fs_handle = usb_filesystem_install( (pointer) msg.ccs, "USB:", "PM_C1:", "c:");
                  
            if (usb_fs_handle) {
                DEVICE_STRUCT_PTR dsp = (DEVICE_STRUCT_PTR) msg.ccs;
                dsp->mount = 'c';

                // Mark file system as mounted
                fs_mountp |= 1 << (dsp->mount - 'a');
                // Unlock the USB_Stick = signal to the application as available
                _lwsem_post(&USB_Stick);
            }
        } else if (msg.body == USB_EVENT_DETACH) {
            DEVICE_STRUCT_PTR dsp = (DEVICE_STRUCT_PTR) msg.ccs;

            if (dsp->mount >= 'a' && dsp->mount <= 'z') {
                // Lock the USB_Stick = mark as unavailable
                _lwsem_wait(&USB_Stick);

                // Remove the file system 
                usb_filesystem_uninstall(usb_fs_handle);
                // Mark file system as unmounted
                fs_mountp &= ~(1 << (dsp->mount - 'a'));
            }

            /* Here, the device finishes its lifetime */            
            _mem_free(dsp);
        }
    }
}
コード例 #10
0
/* Task for reading/writing file */
void ftpsrv_transfer_task(void* init_ptr, void* creator)
{
    FTPSRV_TRANSFER_PARAM* param = (FTPSRV_TRANSFER_PARAM*) init_ptr;
    MQX_FILE_PTR           file = param->file;
    uint32_t               mode = param->mode;
    uint32_t               sock = param->sock;
    FTPSRV_SESSION_STRUCT* session = param->session;
    void*                  data_buffer;
    char*                  msg_str;

    if (session->state == FTPSRV_STATE_TRANSFER)
    {
        RTCS_task_resume_creator(creator, (uint32_t) RTCS_ERROR);
        return;
    }

    data_buffer = RTCS_mem_alloc(FTPSRVCFG_DATA_BUFFER_SIZE);
    if (data_buffer == NULL)
    {
        RTCS_task_resume_creator(creator, (uint32_t) RTCS_ERROR);
        return;
    }

    session->transfer_tid = _task_get_id();
    session->state = FTPSRV_STATE_TRANSFER;

    RTCS_task_resume_creator(creator, (uint32_t) RTCS_OK);
    
    while (1)
    {
        FTPSRV_TRANSFER_MSG message;
        _mqx_uint           retval;

        /* Reading from file */
        if (mode == FTPSRV_MODE_READ)
        {
            uint32_t length;
            int32_t  error;

            length = fread((void*) data_buffer, 1, FTPSRVCFG_DATA_BUFFER_SIZE, file);
            if ((length != FTPSRVCFG_DATA_BUFFER_SIZE) && ferror(file) && !feof(file))
            {
                msg_str = (char*) ftpsrvmsg_locerr;
                break;
            }
            error = send(sock, data_buffer, length, 0);
            if (error == RTCS_ERROR)
            {
                msg_str = (char*) ftpsrvmsg_locerr;
                break;
            }

            if (feof(file))
            {
                msg_str = (char*) ftpsrvmsg_trans_complete;
                break;
            }
        }
        /* Writing to file */
        else if ((mode == FTPSRV_MODE_WRITE) || (mode == FTPSRV_MODE_APPEND))
        {
            uint32_t length;
            int32_t  received;

            received = recv(sock, data_buffer, FTPSRVCFG_DATA_BUFFER_SIZE, 0);
            if (received == RTCS_ERROR)
            {
                msg_str = (char*) ftpsrvmsg_trans_complete;
                break;
            }
            
            length = fwrite((void*) data_buffer, 1, received, file);
            if (length != received)
            {
                if (length == IO_ERROR)
                {
                    msg_str = (char*) ftpsrvmsg_no_space;
                }
                else
                {
                    msg_str = (char*) ftpsrvmsg_writefail;
                }
                break;
            }
        }
        retval = _lwmsgq_receive((void*) session->msg_queue, (uint32_t *)&message, LWMSGQ_TIMEOUT_FOR, 1, NULL);
        if (retval != MQX_OK)
        {
            continue;
        }
        if (message.command == FTPSRV_CMD_ABORT)
        {
            msg_str = (char*) ftpsrvmsg_trans_abort;
            break;
        }
        else if (message.command == FTPSRV_CMD_STAT)
        {
            /* TODO: Add code to print out transfer statistics */
        }
    }
    _mem_free(data_buffer);
    fclose(file);
    ftpsrv_send_msg(session, msg_str);
    shutdown(sock, FLAG_CLOSE_TX);
    session->state = FTPSRV_STATE_IDLE;
}
コード例 #11
0
ファイル: PeripheralHandle.c プロジェクト: BillyZhangZ/wifi
void uart_tx_task ( uint32_t initial_data )
{  
   SMTPLG_Header * plg_head_p = (SMTPLG_Header *) command_txd_buf;
   SMTPLG_Body * plg_body_p = (SMTPLG_Body *)(command_txd_buf + CMD_HEAD_NUM);  //Note, fix a bug,  not plg_head_p + CMD_HEAD_NUM;
   uint32_t len = 0;
   _mqx_uint res;
   msg_t msg;
   static uint8_t opt_cnt = SMTPLG_CMD_OP_GET_ACT_PWR;
   
   uart_tx_dev  = fopen( UART_CHANNEL, NULL );					   
   if( uart_tx_dev == NULL )
   {
     /* device could not be opened */
     printf("__Evanguo: Open uart tx dev failed, uart_tx_task blocked\n");
     _task_block();
   }
   
   if (MQX_OK != _lwmsgq_init(uart_tx_taskq, 10, TX_TASKQ_GRANM)) 
   {
     printf("lwmsgq_init connect_taskq failed\n");
     _task_block();
   }
   
   command_send(CMD_GET, cls_shiftor_opc(SMTPLG_CMD_CLS_APP, SMTPLG_CMD_OP_GET_PWR_STS), NULL, 0);
   
   rtc_date.fullYear = 2014;
   rtc_date.month = 1;
   rtc_date.mDay = 1;
   
   while(1){
     if((res = _lwmsgq_receive(&uart_tx_taskq, (_mqx_max_type *) &msg, LWMSGQ_RECEIVE_BLOCK_ON_EMPTY,  100 /* ticks */, 0)) == MQX_OK){  /* 1tick =5ms */
       plg_head_p->CLA = msg.cmd_cls;
       plg_head_p->INS = msg.cmd_opc;
       
       if(msg.type == CMD_SET){
         if(msg.len > 1){
          // if((plg_head_p->CLA == SMTPLG_CMD_CLS_APP)&&((plg_head_p->INS == SMTPLG_CMD_OP_SET_TIMER_BEGIN)||  \
		  	             //                               (plg_head_p->INS == SMTPLG_CMD_OP_SET_TIMER_END)||(plg_head_p->INS == SMTPLG_CMD_OP_SET_CUR_TIME)))
           { /* SET work time */
             plg_head_p->P1 = 0;
             plg_head_p->P2 = 0;
             plg_head_p->P3 = 0;
             plg_head_p->LC = (uint8_t)msg.len;
             if(plg_head_p->LC > CMD_BODY_NUM) 
               plg_head_p->LC = CMD_BODY_NUM;
                                           
             _mem_zero((void *)plg_body_p->Data, CMD_BODY_NUM);
             _mem_copy((void *)msg.data, (void *)plg_body_p->Data, plg_head_p->LC);
             //len = CMD_HEAD_NUM + plg_head_p->LC;
             len = CMD_HEAD_NUM + CMD_BODY_NUM;
           } 
         }
         else if(msg.len == 1){
           plg_head_p->P1 = *(uint8_t *)msg.data;   /* ON/OFF */
           plg_head_p->P2 = 0;
           plg_head_p->P3 = 0;
           plg_head_p->LC = 0;
           len = CMD_HEAD_NUM;
        }
       }
       else if(msg.type == CMD_GET){
           plg_head_p->P1 = 0;
           plg_head_p->P2 = 0;
           plg_head_p->P3 = 0;
           plg_head_p->LC = 0;
           len = CMD_HEAD_NUM;      
       }
       else if(msg.type == CMD_ACK){
         if((plg_head_p->CLA == SMTPLG_CMD_CLS_WIFI_CTL)&&(plg_head_p->INS == SMTPLG_CMD_OP_WIFI_INIT)){
           plg_head_p->P1 = *(uint8_t *)msg.data;   /* ON/OFF */
           plg_head_p->P2 = *((uint8_t *)msg.data + 1);
           plg_head_p->P3 = 0;
           plg_head_p->LC = 0;
           len = CMD_HEAD_NUM;
        }
       }
     }  
     else if(res == LWMSGQ_TIMEOUT){		
       //printf("__Evanguo: wait msg time out\n");
       msg.type == CMD_GET;
       plg_head_p->CLA = SMTPLG_CMD_CLS_APP;
       plg_head_p->INS = opt_cnt ++;	  
       plg_head_p->P1 = 0;
       plg_head_p->P2 = 0;
       plg_head_p->P3 = 0;
       plg_head_p->LC = 0;
       len = CMD_HEAD_NUM;
       if( opt_cnt > SMTPLG_CMD_OP_GET_HIST_TIME)
         opt_cnt = SMTPLG_CMD_OP_GET_ACT_PWR;
     }
     else{
       printf("__Evanguo: _lwmsgq_receive uart_tx_taskq failed\n");
     }
     plg_head_p->MAGIC1 = MAGIC_NUMBER_1;
     plg_head_p->MAGIC2 = MAGIC_NUMBER_2;

     if(UI_data_flag == TRUE){
       write( uart_tx_dev, (void *)plg_head_p, len);
       fflush( uart_tx_dev );  /* ioctl  IO_IOCTL_FLUSH_OUTPUT */
     }
     
   }

   fclose(uart_tx_dev);
}