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84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
/**
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******************************************************************************
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* @addtogroup PIOS PIOS Core hardware abstraction layer
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* @{
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* @addtogroup PIOS_ADXL345 ADXL345 Functions
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* @brief Data from the ADXL345 sensors
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* @{
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* @file pios_adxl345.h
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
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* @brief PiOS SPI ADXL345
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program 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 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef PIOS_ADXL345_H
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#define PIOS_ADXL345_H
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// Defined by data rate, not BW
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#define ADXL_READ_BIT 0x80
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#define ADXL_MULTI_BIT 0x40
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#define ADXL_WHOAMI 0x00
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#define ADXL_DEVICE_ID 0xE5
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#define ADXL_X0_ADDR 0x32
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#define ADXL_FIFOSTATUS_ADDR 0x39
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#define ADXL_RATE_ADDR 0x2C
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#define ADXL_RATE_100 0x0A
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#define ADXL_RATE_200 0x0B
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#define ADXL_RATE_400 0x0C
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#define ADXL_RATE_800 0x0D
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#define ADXL_RATE_1600 0x0E
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#define ADXL_RATE_3200 0x0F
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#define ADXL_POWER_ADDR 0x2D
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#define ADXL_MEAURE 0x08
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#define ADXL_FORMAT_ADDR 0x31
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#define ADXL_FULL_RES 0x08
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#define ADXL_4WIRE 0x00
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#define ADXL_RANGE_2G 0x00
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#define ADXL_RANGE_4G 0x01
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#define ADXL_RANGE_8G 0x02
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#define ADXL_RANGE_16G 0x03
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#define ADXL_FIFO_ADDR 0x38
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#define ADXL_FIFO_STREAM 0x80
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struct pios_adxl345_data {
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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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};
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int32_t PIOS_ADXL345_SelectRate(uint8_t rate);
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int32_t PIOS_ADXL345_SetRange(uint8_t range);
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int32_t PIOS_ADXL345_Init(uint32_t spi_id, uint32_t slave_num);
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uint8_t PIOS_ADXL345_Read(struct pios_adxl345_data * data);
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int32_t PIOS_ADXL345_FifoElements();
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int32_t PIOS_ADXL345_Test();
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#endif /* PIOS_ADXL345_H */
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/**
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* @}
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* @}
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*/
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