lora-irrigation/loramac/src/peripherals/mma8451.h

/*!
 * \file      mma8451.h
 *
 * \brief     MMA8451 Accelerometer driver implementation
 *
 * \copyright Revised BSD License, see section \ref LICENSE.
 *
 * \code
 *                ______                              _
 *               / _____)             _              | |
 *              ( (____  _____ ____ _| |_ _____  ____| |__
 *               \____ \| ___ |    (_   _) ___ |/ ___)  _ \
 *               _____) ) ____| | | || |_| ____( (___| | | |
 *              (______/|_____)_|_|_| \__)_____)\____)_| |_|
 *              (C)2013-2017 Semtech
 *
 * \endcode
 *
 * \author    Miguel Luis ( Semtech )
 *
 * \author    Gregory Cristian ( Semtech )
 */
#ifndef __MMA8451_H__
#define __MMA8451_H__

#ifdef __cplusplus
extern "C"
{
#endif

#include <stdint.h>
#include "utilities.h"

/*
 * MMA8451 I2C address
 */
#define MMA8451_I2C_ADDRESS                          0x1C

/*
 * MMA8451 Registers
 */
#define MMA8451_STATUS                               0x00 //
#define MMA8451_OUT_X_MSB                            0x01 //
#define MMA8451_SYSMOD                               0x0B //
#define MMA8451_INT_SOURCE                           0x0C //
#define MMA8451_ID                                   0x0D //
#define MMA8451_PL_STATUS                            0x10 //
#define MMA8451_PL_CFG                               0x11 //
#define MMA8451_PL_COUNT                             0x12 // Orientation debounce
#define MMA8451_PL_BF_ZCOMP                          0x13 //
#define MMA8451_PL_THS_REG                           0x14 //
#define MMA8451_FF_MT_SRC                            0x16 //
#define MMA8451_TRANSIENT_CFG                        0x1D // Transient enable
#define MMA8451_TRANSIENT_SRC                        0x1E // Transient read/clear interrupt
#define MMA8451_TRANSIENT_THS                        0x1F // Transient threshold
#define MMA8451_TRANSIENT_COUNT                      0x20 // Transient debounce
#define MMA8451_PULSE_SRC                            0x22 //
#define MMA8451_CTRL_REG1                            0x2A //
#define MMA8451_CTRL_REG2                            0x2B //
#define MMA8451_CTRL_REG3                            0x2C // Interrupt control
#define MMA8451_CTRL_REG4                            0x2D // Interrupt enable
#define MMA8451_CTRL_REG5                            0x2E // Interrupt pin selection

/*!
 * \brief Initializes the device
 *
 * \retval status [LMN_STATUS_OK, LMN_STATUS_ERROR]
 */
LmnStatus_t MMA8451Init( void );

/*!
 * \brief Resets the device
 *
 * \retval status [LMN_STATUS_OK, LMN_STATUS_ERROR]
 */
LmnStatus_t MMA8451Reset( void );

/*!
 * \brief Initializes the orientation detection
 */
void MMA8451OrientDetect( void );

/*!
 * \brief Gets the orientation state.
 *
 * \retval orientation Bit 6 [1: Horizontal, 0: Vertical]
 *                     Bit 0 [1: Face down, 0: Face up]
 *                     Other bits don't care.
 */
uint8_t MMA8451GetOrientation( void );

#ifdef __cplusplus
}
#endif

#endif // __MMA8451_H__