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LibrePilot/flight/PiOS/inc/pios_adxl345.h

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/*
* pios_adxl345.h
* OpenPilotOSX
*
* Created by James Cotton on 1/16/11.
* Copyright 2011 OpenPilot. All rights reserved.
*
*/
#ifndef PIOS_ADXL345_H
#define PIOS_ADXL345_H
// Defined by data rate, not BW
#define ADXL_READ_BIT 0x80
#define ADXL_MULTI_BIT 0x40
#define ADXL_X0_ADDR 0x32
#define ADXL_FIFOSTATUS_ADDR 0x39
#define ADXL_RATE_ADDR 0x2C
#define ADXL_RATE_100 0x0A
#define ADXL_RATE_200 0x0B
#define ADXL_RATE_400 0x0C
#define ADXL_RATE_800 0x0D
#define ADXL_RATE_1600 0x0E
#define ADXL_RATE_3200 0x0F
#define ADXL_POWER_ADDR 0x2D
#define ADXL_MEAURE 0x08
#define ADXL_FORMAT_ADDR 0x31
#define ADXL_FULL_RES 0x08
#define ADXL_4WIRE 0x00
#define ADXL_RANGE_2G 0x00
#define ADXL_RANGE_4G 0x01
#define ADXL_RANGE_8G 0x02
#define ADXL_RANGE_16G 0x03
#define ADXL_FIFO_ADDR 0x38
#define ADXL_FIFO_STREAM 0x80
struct pios_adxl345_data {
int16_t x;
int16_t y;
int16_t z;
};
void PIOS_ADXL345_SelectRate(uint8_t rate);
void PIOS_ADXL345_SetRange(uint8_t range);
void PIOS_ADXL345_FifoDepth(uint8_t depth);
void PIOS_ADXL345_Attach(uint32_t spi_id);
void PIOS_ADXL345_Init();
uint8_t PIOS_ADXL345_Read(struct pios_adxl345_data * data);
uint8_t PIOS_ADXL345_FifoElements();
#endif