From 044ad7c3987460ede48ff27afd6bdb0ca05a0432 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Mon, 4 Jul 2011 20:52:54 +0200
Subject: import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v15011

it's sad to see that atmel doesn't publish their svn repo or has
a centralized location or even puts proper version/release info
into the library itself
---
 utility/demo-fw/include/dfm_accelerometer.h | 93 +++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 utility/demo-fw/include/dfm_accelerometer.h

(limited to 'utility/demo-fw/include/dfm_accelerometer.h')

diff --git a/utility/demo-fw/include/dfm_accelerometer.h b/utility/demo-fw/include/dfm_accelerometer.h
new file mode 100644
index 0000000..9e7a9ab
--- /dev/null
+++ b/utility/demo-fw/include/dfm_accelerometer.h
@@ -0,0 +1,93 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support 
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
+ * ----------------------------------------------------------------------------
+ */
+ 
+//------------------------------------------------------------------------------
+/// \unit
+///
+/// This file contains apis and definitions for tilt sensing.
+///
+//------------------------------------------------------------------------------
+ 
+#ifndef DV_ACCELEROMETER_H
+#define DV_ACCELEROMETER_H
+
+#include "dfm_entry.h"
+ 
+#define ACC_SHIFT 0                           //!< Accelerometer filtering value
+#define ACC_ZERO  (0x7FF >> ACC_SHIFT)        //!< Accelerometer 0 value 0x1000/2
+#define ACC_1G    (0x223 >> ACC_SHIFT)        //!< Accelerometer 1G value 2.09/3.3 * 0x1000 delta 1g
+
+#define ACC_ZERO_X  ACC_ZERO
+#define ACC_ZERO_Y  ACC_ZERO
+#define ACC_ZERO_Z  ACC_ZERO
+
+#define ACC_AMPLITUDE_UPPER  (ACC_1G*ACC_1G*1.01)
+#define ACC_AMPLITUDE_LOWER  (ACC_1G*ACC_1G*0.99)
+
+#define  DV_Accelerometer_Unchanged  0      //!< default unchanged direction
+#define  DV_Accelerometer_normal_up  1      //!< normal up
+#define  DV_Accelerometer_up         2      //!< up 
+#define  DV_Accelerometer_down       3      //!< down
+#define  DV_Accelerometer_left       4      //!< left
+#define  DV_Accelerometer_right      5      //!< right
+
+#define  DV_Accelerometer_up_right      6   //!< up and right
+#define  DV_Accelerometer_up_left       7   //!< up and left
+#define  DV_Accelerometer_down_left     8   //!< down and left
+#define  DV_Accelerometer_down_right    9   //!< down and right
+
+#define DIR_UNCHANGED              0
+#define DIR_HORIZIONTAL_UP         1
+#define DIR_HORIZIONTAL_DOWN       2
+#define DIR_VERTICAL_UP            3
+#define DIR_VERTICAL_DOWN          4
+
+typedef struct { 
+  int x; 
+  int y; 
+  int z; 
+} xyz_t;
+
+
+typedef struct {
+  xyz_t m;                                  //!< immediate acceleration   
+  xyz_t k;                                  //!< calibration basis
+  xyz_t ak;                                 //!< acceleration difference
+ } acc_t;
+
+extern int gDir;
+
+extern TInputEntry gAccEntry ;
+extern unsigned int gLcdRefreshFlag;
+extern int DV_ACCELEROMETER_Init(void);
+extern void DV_Accelerometer_Turn();
+extern int DV_Check_AccStatus();
+extern void DV_ACCELEROMETER_Measure(void);
+
+#endif
-- 
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