f9bd2588a2
fix Security breach found by Tencent Blade Team please refer to security advisory - CVE-2020-11068
96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/*!
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* \file mma8451.h
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*
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* \brief MMA8451 Accelerometer driver implementation
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*
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* \copyright Revised BSD License, see section \ref LICENSE.
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*
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* \code
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* ______ _
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* / _____) _ | |
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* ( (____ _____ ____ _| |_ _____ ____| |__
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* \____ \| ___ | (_ _) ___ |/ ___) _ \
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* _____) ) ____| | | || |_| ____( (___| | | |
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* (______/|_____)_|_|_| \__)_____)\____)_| |_|
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* (C)2013-2017 Semtech
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*
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* \endcode
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*
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* \author Miguel Luis ( Semtech )
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*
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* \author Gregory Cristian ( Semtech )
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*/
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#ifndef __MMA8451_H__
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#define __MMA8451_H__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <stdint.h>
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/*
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* MMA8451 I2C address
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*/
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#define MMA8451_I2C_ADDRESS 0x1C
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/*
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* MMA8451 Registers
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*/
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#define MMA8451_STATUS 0x00 //
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#define MMA8451_OUT_X_MSB 0x01 //
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#define MMA8451_SYSMOD 0x0B //
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#define MMA8451_INT_SOURCE 0x0C //
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#define MMA8451_ID 0x0D //
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#define MMA8451_PL_STATUS 0x10 //
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#define MMA8451_PL_CFG 0x11 //
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#define MMA8451_PL_COUNT 0x12 // Orientation debounce
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#define MMA8451_PL_BF_ZCOMP 0x13 //
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#define MMA8451_PL_THS_REG 0x14 //
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#define MMA8451_FF_MT_SRC 0x16 //
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#define MMA8451_TRANSIENT_CFG 0x1D // Transient enable
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#define MMA8451_TRANSIENT_SRC 0x1E // Transient read/clear interrupt
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#define MMA8451_TRANSIENT_THS 0x1F // Transient threshold
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#define MMA8451_TRANSIENT_COUNT 0x20 // Transient debounce
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#define MMA8451_PULSE_SRC 0x22 //
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#define MMA8451_CTRL_REG1 0x2A //
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#define MMA8451_CTRL_REG2 0x2B //
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#define MMA8451_CTRL_REG3 0x2C // Interrupt control
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#define MMA8451_CTRL_REG4 0x2D // Interrupt enable
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#define MMA8451_CTRL_REG5 0x2E // Interrupt pin selection
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/*!
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* \brief Initializes the device
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*
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* \retval status [SUCCESS, FAIL]
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*/
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uint8_t MMA8451Init( void );
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/*!
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* \brief Resets the device
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*
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* \retval status [SUCCESS, FAIL]
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*/
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uint8_t MMA8451Reset( void );
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/*!
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* \brief Initializes the orientation detection
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*/
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void MMA8451OrientDetect( void );
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/*!
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* \brief Gets the orientation state.
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*
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* \retval orientation Bit 6 [1: Horizontal, 0: Vertical]
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* Bit 0 [1: Face down, 0: Face up]
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* Other bits don't care.
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*/
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uint8_t MMA8451GetOrientation( void );
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#ifdef __cplusplus
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}
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#endif
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#endif // __MMA8451_H__
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