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/*
* Copyright © 2018 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef _AO_ADXL375_H_
#define _AO_ADXL375_H_
#define AO_ADXL375_READ 0x80 /* read mode */
#define AO_ADXL375_MULTI_BYTE 0x40 /* multi-byte mode */
#define AO_ADXL375_DEVID 0x00
#define AO_ADXL375_DEVID_ID 0xe5
#define AO_ADXL375_THRESH_SHOCK 0x1d
#define AO_ADXL375_OFSX 0x1e
#define AO_ADXL375_OFSY 0x1f
#define AO_ADXL375_OFSZ 0x20
#define AO_ADXL375_DUR 0x21
#define AO_ADXL375_LATENT 0x22
#define AO_ADXL375_WINDOW 0x23
#define AO_ADXL375_THRESH_ACT 0x24
#define AO_ADXL375_THRESH_INACT 0x25
#define AO_ADXL375_TIME_INACT 0x26
#define AO_ADXL375_ACT_INACT_CTL 0x27
#define AO_ADXL375_SHOCK_AXES 0x2a
#define AO_ADXL375_ACT_SHOCK_STATUS 0x2b
#define AO_ADXL375_BW_RATE 0x2c
#define AO_ADXL375_BW_RATE_LOW_POWER 4
#define AO_ADXL375_BW_RATE_RATE 0
#define AO_ADXL375_BW_RATE_RATE_3200 0xf
#define AO_ADXL375_BW_RATE_RATE_1600 0xe
#define AO_ADXL375_BW_RATE_RATE_800 0xd
#define AO_ADXL375_BW_RATE_RATE_400 0xc
#define AO_ADXL375_BW_RATE_RATE_200 0xb
#define AO_ADXL375_BW_RATE_RATE_100 0xa
#define AO_ADXL375_BW_RATE_RATE_50 0x9
#define AO_ADXL375_BW_RATE_RATE_25 0x8
#define AO_ADXL375_BW_RATE_RATE_12_5 0x7
#define AO_ADXL375_BW_RATE_RATE_6_25 0x6
#define AO_ADXL375_BW_RATE_RATE_3_13 0x5
#define AO_ADXL375_BW_RATE_RATE_1_56 0x4
#define AO_ADXL375_BW_RATE_RATE_0_78 0x3
#define AO_ADXL375_BW_RATE_RATE_0_39 0x2
#define AO_ADXL375_BW_RATE_RATE_0_20 0x1
#define AO_ADXL375_BW_RATE_RATE_0_10 0x0
#define AO_ADXL375_POWER_CTL 0x2d
#define AO_ADXL375_POWER_CTL_LINK 5
#define AO_ADXL375_POWER_CTL_AUTO_SLEEP 4
#define AO_ADXL375_POWER_CTL_MEASURE 3
#define AO_ADXL375_POWER_CTL_SLEEP 2
#define AO_ADXL375_POWER_CTL_WAKEUP 0
#define AO_ADXL375_POWER_CTL_WAKEUP_8 0
#define AO_ADXL375_POWER_CTL_WAKEUP_4 1
#define AO_ADXL375_POWER_CTL_WAKEUP_2 2
#define AO_ADXL375_POWER_CTL_WAKEUP_1 3
#define AO_ADXL375_INT_ENABLE 0x2e
#define AO_ADXL375_INT_MAP 0x2f
#define AO_ADXL375_INT_SOURCE 0x30
#define AO_ADXL375_DATA_FORMAT 0x31
# define AO_ADXL375_DATA_FORMAT_FIXED 0x0b /* these bits must be set to 1 */
# define AO_ADXL375_DATA_FORMAT_SELF_TEST 7
# define AO_ADXL375_DATA_FORMAT_SPI 6
# define AO_ADXL375_DATA_FORMAT_SPI_3_WIRE 0
# define AO_ADXL375_DATA_FORMAT_SPI_4_WIRE 1
# define AO_ADXL375_DATA_FORMAT_INT_INVERT 5
# define AO_ADXL375_DATA_FORMAT_JUSTIFY 2
#define AO_ADXL375_DATAX0 0x32
#define AO_ADXL375_DATAX1 0x33
#define AO_ADXL375_DATAY0 0x34
#define AO_ADXL375_DATAY1 0x35
#define AO_ADXL375_DATAZ0 0x36
#define AO_ADXL375_DATAZ1 0x37
#define AO_ADXL375_FIFO_CTL 0x38
#define AO_ADXL375_FIFO_CTL_FIFO_MODE 6
#define AO_ADXL375_FIFO_CTL_FIFO_MODE_BYPASS 0
#define AO_ADXL375_FIFO_CTL_FIFO_MODE_FIFO 1
#define AO_ADXL375_FIFO_CTL_FIFO_MODE_STREAM 2
#define AO_ADXL375_FIFO_CTL_FIFO_MODE_TRIGGER 3
#define AO_ADXL375_FIFO_CTL_TRIGGER 5
#define AO_ADXL375_FIFO_CTL_SAMPLES 0
#define AO_ADXL375_FIFO_STATUS 0x39
struct ao_adxl375_sample {
int16_t x;
int16_t y;
int16_t z;
};
extern struct ao_adxl375_sample ao_adxl375_current;
void
ao_adxl375_init(void);
#endif /* _AO_ADXL375_H_ */
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