add hall sensor drv

Author: ASM3

src/drivers/drv_hall.h

@@ -0,0 +1,59 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2012-2018 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 drv_hall.h
+ *
+ * Hall Effect Magnetic Sensor driver interface.
+ */
+
+#ifndef _DRV_HALL_H
+#define _DRV_HALL_H
+
+#include <px4_defines.h>
+#include <stdint.h>
+#include <sys/ioctl.h>
+
+#include "drv_sensor.h"
+#include "drv_orb_dev.h"
+
+#define HALL_BASE_DEVICE_PATH	"/dev/hall"
+#define HALL0_DEVICE_PATH		"/dev/hall0"
+#define HALL1_DEVICE_PATH		"/dev/hall1"
+#define HALL2_DEVICE_PATH		"/dev/hall2"
+#define HALL3_DEVICE_PATH		"/dev/hall3"
+
+#include <uORB/topics/sensor_hall.h>
+#define si7210_report sensor_hall_s
+
+#endif /* _DRV_HALL_H */