112 lines
3.5 KiB
C
112 lines
3.5 KiB
C
/*
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* Copyright (c) 2013, Freescale Semiconductor, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* o Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* o Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*!
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* @file
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* @brief Public interface for the MMA8562 accelerometer driver.
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* @ingroup diag_accel
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*/
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#ifndef __MMA8562_H__
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#define __MMA8562_H__
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#include "stdint.h"
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//! @addtogroup diag_accel
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//! @{
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////////////////////////////////////////////////////////////////////////////////
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// Definitions
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////////////////////////////////////////////////////////////////////////////////
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//! @brief Error codes for the MMA8562 driver.
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enum _mma8562_errors
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{
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kMMA8562_Invalid_I2C_Address_Error = -128
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};
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//! @brief Register definitions for the MMA8562.
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enum _mma8562_constants
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{
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kMMA8562_STATUS = 0x00,
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kMMA8562_OUT_X_MSB = 0x01,
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kMMA8562_OUT_X_LSB = 0x02,
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kMMA8562_OUT_Y_MSB = 0x03,
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kMMA8562_OUT_Y_LSB = 0x04,
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kMMA8562_OUT_Z_MSB = 0x05,
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kMMA8562_OUT_Z_LSB = 0x06,
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kMMA8562_F_SETUP = 0x09,
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kMMA8562_TRIG_CFG = 0x0a,
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kMMA8562_SYSMOD = 0x0b,
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kMMA8562_INT_SOURCE = 0x0c,
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kMMA8562_WHO_AM_I = 0x0d,
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kMMA8562_WHO_AM_I_Device_ID = 0x4a,
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kMMA8562_XYZ_DATA_CFG = 0x0e,
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kMMA8562_CTRL_REG1 = 0x2a,
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kMMA8562_CTRL_REG2 = 0x2b,
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kMMA8562_CTRL_REG3 = 0x2c,
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kMMA8562_CTRL_REG4 = 0x2d,
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kMMA8562_CTRL_REG5 = 0x2e
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};
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//! @brief 3D acceleration values.
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typedef struct _acceleration {
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int16_t x;
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int16_t y;
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int16_t z;
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} acceleration_t;
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////////////////////////////////////////////////////////////////////////////////
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// API
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////////////////////////////////////////////////////////////////////////////////
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#if defined(__cplusplus)
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extern "C" {
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#endif
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extern int mma8562_hw_init(void);
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extern void get_mma8562(uint8_t data);
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extern rt_err_t mma8562_read_reg(rt_uint8_t reg, rt_uint8_t len, rt_uint8_t *buf);
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extern rt_err_t mma8562_write_reg(rt_uint8_t reg, rt_uint8_t data);
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#if defined(__cplusplus)
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}
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#endif
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//! @}
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#endif //__MMA8562_H__
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////////////////////////////////////////////////////////////////////////////////
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// EOF
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////////////////////////////////////////////////////////////////////////////////
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