1 files changed, 76 insertions, 0 deletions
diff --git a/nuttx/configs/px4fmu/include/drv_ms5611.h b/nuttx/configs/px4fmu/include/drv_ms5611.h
new file mode 100644
index 000000000..922a11219
--- /dev/null
+++ b/nuttx/configs/px4fmu/include/drv_ms5611.h
@@ -0,0 +1,76 @@
+/*
+ *   Copyright (C) 2012 Lorenz Meier. 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 of the author or the names of 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.
+ */
+
+/*
+ * Driver for the Meas Spec MS5611 barometric pressure sensor
+ */
+
+#include <sys/ioctl.h>
+
+#define _MS5611BASE	0x6A00
+#define MS5611C(_x)	_IOC(_MS5611BASE, _x)
+
+/* 
+ * Sets the sensor internal sampling rate, and if a buffer
+ * has been configured, the rate at which entries will be
+ * added to the buffer.
+ */
+#define MS5611_SETRATE		MS5611C(1)
+
+/* set rate (configuration A register */
+#define MS5611_RATE_0_75HZ		(0 << 2) /* 0.75 Hz */
+
+/*
+ * Sets the sensor internal range.
+ */
+#define MS5611_SETRANGE		MS5611C(2)
+
+#define MS5611_RANGE_0_88GA			(0 << 5)
+
+/*
+ * Sets the address of a shared MS5611_buffer
+ * structure that is maintained by the driver.
+ *
+ * If zero is passed as the address, disables
+ * the buffer updating.
+ */
+#define MS5611_SETBUFFER	MS5611C(3)
+
+struct ms5611_buffer {
+	uint32_t	size;		/* number of entries in the samples[] array */
+	uint32_t	next;		/* the next entry that will be populated */
+	struct {
+		uint32_t	pressure;
+		uint16_t temperature;
+	} samples[];
+};
+
+extern int	ms5611_attach(struct i2c_dev_s *i2c);