diff options
Diffstat (limited to 'utility/demo-fw/include/dfm_accelerometer.h')
| -rw-r--r-- | utility/demo-fw/include/dfm_accelerometer.h | 93 |
1 files changed, 93 insertions, 0 deletions
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
|