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https://github.com/paparazzi/paparazzi.git
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Felix Ruess
76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*
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* Copyright (C) 2013 Felix Ruess <felix.ruess@gmail.com>
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*
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* This file is part of paparazzi.
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*
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* paparazzi is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* paparazzi is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with paparazzi; see the file COPYING. If not, write to
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* the Free Software Foundation, 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* @file peripherals/adxl345.h
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*
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* Analog Devices ADXL345 accelerometer driver common interface (I2C and SPI).
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*/
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#ifndef ADXL345_H
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#define ADXL345_H
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#include "std.h"
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/* Include address and register definition */
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#include "peripherals/adxl345_regs.h"
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enum Adxl345ConfStatus {
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ADXL_CONF_UNINIT = 0,
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ADXL_CONF_RATE = 1,
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ADXL_CONF_INT = 2,
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ADXL_CONF_FORMAT = 3,
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ADXL_CONF_ENABLE = 4,
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ADXL_CONF_DONE = 5
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};
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struct Adxl345Config {
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bool drdy_int_enable; ///< Enable Data Ready Interrupt
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bool int_invert; ///< Invert Interrupt FALSE: active high, TRUE: active low
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bool full_res; ///< Full Resolution: FALSE: 10bit, TRUE: full with 4mg/LSB
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bool justify_msb; ///< justify: FALSE: right with sign-extension, TRUE: MSB (left)
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bool self_test; ///< Enable self-test-force causing shift in output data.
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bool spi_3_wire; ///< Set 3-wire SPI mode, if FALSE: 4-wire SPI mode
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enum Adxl345Ranges range; ///< g Range
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enum Adxl345Rates rate; ///< Data Output Rate
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};
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static inline void adxl345_set_default_config(struct Adxl345Config *c)
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{
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c->drdy_int_enable = false;
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c->int_invert = true;
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c->full_res = true;
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c->justify_msb = false;
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c->self_test = false;
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c->spi_3_wire = false;
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c->rate = ADXL345_RATE_100HZ;
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c->range = ADXL345_RANGE_16G;
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}
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static inline uint8_t adxl345_data_format(struct Adxl345Config *c)
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{
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return ((c->self_test << 7) | (c->spi_3_wire << 6) | (c->int_invert << 5) |
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(c->full_res << 3) | (c->justify_msb << 2) | (c->range));
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}
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#endif // ADXL345_H
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