bizhang_-obav/src/drivers/device/vdevice.cpp

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 *   Copyright (c) 2012-2014 PX4 Development Team. All rights reserved.
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/**
 * @file device.cpp
 *
 * Fundamental driver base class for the virtual device framework.
 */

#include "device.h"

#include <px4_defines.h>
#include <stdio.h>
#include <unistd.h>

namespace device
{

Device::Device(const char *name) :
	// public
	// protected
	_name(name),
	_debug_enabled(false)
{
	sem_init(&_lock, 0, 1);
        
	/* setup a default device ID. When bus_type is UNKNOWN the
	   other fields are invalid */
	_device_id.devid = 0;
	_device_id.devid_s.bus_type = DeviceBusType_UNKNOWN;
	_device_id.devid_s.bus = 0;
	_device_id.devid_s.address = 0;
	_device_id.devid_s.devtype = 0;
}

Device::~Device()
{
	sem_destroy(&_lock);
}

int
Device::init()
{
	int ret = OK;

	return ret;
}

void
Device::log(const char *fmt, ...)
{
	va_list	ap;

	printf("[%s] ", _name);
	va_start(ap, fmt);
	vprintf(fmt, ap);
	va_end(ap);
	printf("\n");
	fflush(stdout);
}

void
Device::debug(const char *fmt, ...)
{
	va_list	ap;

	if (_debug_enabled) {
		printf("<%s> ", _name);
		va_start(ap, fmt);
		vprintf(fmt, ap);
		va_end(ap);
		printf("\n");
		fflush(stdout);
	}
}

} // namespace device