1 files changed, 87 insertions, 0 deletions
diff --git a/src/drivers/drv_sensor.h b/src/drivers/drv_sensor.h
new file mode 100644
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+++ b/src/drivers/drv_sensor.h
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+/****************************************************************************
+ *
+ *   Copyright (C) 2012 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file Common sensor API and ioctl definitions.
+ */
+
+#ifndef _DRV_SENSOR_H
+#define _DRV_SENSOR_H
+
+#include <stdint.h>
+#include <sys/ioctl.h>
+
+/*
+ * ioctl() definitions
+ *
+ * Note that a driver may not implement all of these operations, but
+ * if the operation is implemented it should conform to this API.
+ */
+
+#define _SENSORIOCBASE		(0x2000)
+#define _SENSORIOC(_n)		(_IOC(_SENSORIOCBASE, _n))
+
+/**
+ * Set the driver polling rate to (arg) Hz, or one of the SENSOR_POLLRATE
+ * constants
+ */
+#define SENSORIOCSPOLLRATE	_SENSORIOC(0)
+
+/**
+ * Return the driver's approximate polling rate in Hz, or one of the
+ * SENSOR_POLLRATE values.
+ */
+#define SENSORIOCGPOLLRATE	_SENSORIOC(1)
+
+#define SENSOR_POLLRATE_MANUAL		1000000	/**< poll when read */
+#define SENSOR_POLLRATE_EXTERNAL	1000001	/**< poll when device signals ready */
+#define SENSOR_POLLRATE_MAX		1000002	/**< poll at device maximum rate */
+#define SENSOR_POLLRATE_DEFAULT		1000003	/**< poll at driver normal rate */
+
+/**
+ * Set the internal queue depth to (arg) entries, must be at least 1
+ *
+ * This sets the upper bound on the number of readings that can be
+ * read from the driver.
+ */
+#define SENSORIOCSQUEUEDEPTH	_SENSORIOC(2)
+
+/** return the internal queue depth */
+#define SENSORIOCGQUEUEDEPTH	_SENSORIOC(3)
+
+/**
+ * Reset the sensor to its default configuration.
+ */
+#define SENSORIOCRESET		_SENSORIOC(4)
+
+#endif /* _DRV_SENSOR_H */
+\ No newline at end of file