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/**
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* @author Peter Swanson
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* A personal note from me: Jesus Christ has changed my life so much it blows my mind. I say this because
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* today, religion is thought of as something that you do or believe and has about as
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* little impact on a person as their political stance. But for me, God gives me daily
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* strength and has filled my life with the satisfaction that I could never find in any
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* of the other things that I once looked for it in.
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* If your interested, heres verse that changed my life:
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* Rom 8:1-3: "Therefore, there is now no condemnation for those who are in Christ Jesus,
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* because through Christ Jesus, the law of the Spirit who gives life has set
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* me free from the law of sin (which brings...) and death. For what the law
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* was powerless to do in that it was weakened by the flesh, God did by sending
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* His own Son in the likeness of sinful flesh to be a sin offering. And so He
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* condemned sin in the flesh in order that the righteous requirements of the
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* (God's) law might be fully met in us, who live not according to the flesh
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* but according to the Spirit."
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*
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* @section LICENSE
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @section DESCRIPTION
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*
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* ADXL345, triple axis, I2C interface, accelerometer.
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*
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* Datasheet:
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*
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* http://www.analog.com/static/imported-files/data_sheets/ADXL345.pdf
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*/
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#ifndef ADXL345_I2C_H
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#define ADXL345_I2C_H
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/**
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* Includes
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*/
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#include "mbed.h"
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/**
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* Defines
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*/
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//Registers.
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#define ADXL345_DEVID_REG 0x00
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#define ADXL345_THRESH_TAP_REG 0x1D
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#define ADXL345_OFSX_REG 0x1E
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#define ADXL345_OFSY_REG 0x1F
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#define ADXL345_OFSZ_REG 0x20
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#define ADXL345_DUR_REG 0x21
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#define ADXL345_LATENT_REG 0x22
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#define ADXL345_WINDOW_REG 0x23
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#define ADXL345_THRESH_ACT_REG 0x24
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#define ADXL345_THRESH_INACT_REG 0x25
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#define ADXL345_TIME_INACT_REG 0x26
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#define ADXL345_ACT_INACT_CTL_REG 0x27
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#define ADXL345_THRESH_FF_REG 0x28
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#define ADXL345_TIME_FF_REG 0x29
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#define ADXL345_TAP_AXES_REG 0x2A
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#define ADXL345_ACT_TAP_STATUS_REG 0x2B
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#define ADXL345_BW_RATE_REG 0x2C
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#define ADXL345_POWER_CTL_REG 0x2D
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#define ADXL345_INT_ENABLE_REG 0x2E
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#define ADXL345_INT_MAP_REG 0x2F
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#define ADXL345_INT_SOURCE_REG 0x30
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#define ADXL345_DATA_FORMAT_REG 0x31
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#define ADXL345_DATAX0_REG 0x32
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#define ADXL345_DATAX1_REG 0x33
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#define ADXL345_DATAY0_REG 0x34
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#define ADXL345_DATAY1_REG 0x35
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#define ADXL345_DATAZ0_REG 0x36
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#define ADXL345_DATAZ1_REG 0x37
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#define ADXL345_FIFO_CTL 0x38
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#define ADXL345_FIFO_STATUS 0x39
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//Data rate codes.
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#define ADXL345_3200HZ 0x0F
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#define ADXL345_1600HZ 0x0E
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#define ADXL345_800HZ 0x0D
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#define ADXL345_400HZ 0x0C
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#define ADXL345_200HZ 0x0B
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#define ADXL345_100HZ 0x0A
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#define ADXL345_50HZ 0x09
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#define ADXL345_25HZ 0x08
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#define ADXL345_12HZ5 0x07
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#define ADXL345_6HZ25 0x06
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// read or write bytes
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#define ADXL345_I2C_READ 0xA7
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#define ADXL345_I2C_WRITE 0xA6
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#define ADXL345_I2C_ADDRESS 0x53 //the ADXL345 7-bit address is 0x53 when ALT ADDRESS is low as it is on the sparkfun chip: when ALT ADDRESS is high the address is 0x1D
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/////////////when ALT ADDRESS pin is high:
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//#define ADXL345_I2C_READ 0x3B
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//#define ADXL345_I2C_WRITE 0x3A
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//#define ADXL345_I2C_ADDRESS 0x1D
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#define ADXL345_X 0x00
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#define ADXL345_Y 0x01
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#define ADXL345_Z 0x02
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// modes
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#define MeasurementMode 0x08
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class ADXL345_I2C {
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public:
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/**
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* Constructor.
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*
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* @param mosi mbed pin to use for SDA line of I2C interface.
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* @param sck mbed pin to use for SCL line of I2C interface.
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*/
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ADXL345_I2C(PinName sda, PinName scl);
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/**
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* Get the output of all three axes.
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*
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* @param Pointer to a buffer to hold the accelerometer value for the
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* x-axis, y-axis and z-axis [in that order].
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*/
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void getOutput(int* readings);
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/**
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* Read the device ID register on the device.
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*
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* @return The device ID code [0xE5]
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*/
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char getDeviceID(void);
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/**
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* Set the power mode.
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*
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* @param mode 0 -> Normal operation.
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* 1 -> Reduced power operation.
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*/
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int setPowerMode(char mode);
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/**
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* Set the power control settings.
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*
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* See datasheet for details.
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*
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* @param The control byte to write to the POWER_CTL register.
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*/
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int setPowerControl(char settings);
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/**
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* Get the power control settings.
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*
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* See datasheet for details.
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*
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* @return The contents of the POWER_CTL register.
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*/
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char getPowerControl(void);
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/**
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* Get the data format settings.
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*
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* @return The contents of the DATA_FORMAT register.
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*/
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char getDataFormatControl(void);
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/**
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* Set the data format settings.
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*
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* @param settings The control byte to write to the DATA_FORMAT register.
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*/
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int setDataFormatControl(char settings);
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/**
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* Set the data rate.
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*
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* @param rate The rate code (see #defines or datasheet).
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*/
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int setDataRate(char rate);
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/**
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* Get the current offset for a particular axis.
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*
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* @param axis 0x00 -> X-axis
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* 0x01 -> Y-axis
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* 0x02 -> Z-axis
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* @return The current offset as an 8-bit 2's complement number with scale
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* factor 15.6mg/LSB.
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*/
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char getOffset(char axis);
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/**
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* Set the offset for a particular axis.
|
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*
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* @param axis 0x00 -> X-axis
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* 0x01 -> Y-axis
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* 0x02 -> Z-axis
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* @param offset The offset as an 8-bit 2's complement number with scale
|
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* factor 15.6mg/LSB.
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|
*/
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int setOffset(char axis, char offset);
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|
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/**
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* Get the FIFO control settings.
|
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|
*
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* @return The contents of the FIFO_CTL register.
|
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|
*/
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char getFifoControl(void);
|
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|
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|
/**
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|
* Set the FIFO control settings.
|
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|
*
|
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|
* @param The control byte to write to the FIFO_CTL register.
|
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|
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|
*/
|
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|
int setFifoControl(char settings);
|
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|
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|
|
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|
/**
|
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|
* Get FIFO status.
|
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|
*
|
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|
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|
* @return The contents of the FIFO_STATUS register.
|
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|
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|
*/
|
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|
char getFifoStatus(void);
|
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|
252
|
|
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|
253
|
/**
|
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|
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|
* Read the tap threshold on the device.
|
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|
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|
*
|
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|
256
|
* @return The tap threshold as an 8-bit number with a scale factor of
|
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|
257
|
* 62.5mg/LSB.
|
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|
258
|
*/
|
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|
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|
char getTapThreshold(void);
|
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|
260
|
|
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|
261
|
/**
|
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|
262
|
* Set the tap threshold.
|
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0:f5a5a0e5fefb
|
263
|
*
|
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|
264
|
* @param The tap threshold as an 8-bit number with a scale factor of
|
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|
265
|
* 62.5mg/LSB.
|
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|
266
|
*/
|
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|
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|
int setTapThreshold(char threshold);
|
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|
268
|
|
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|
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|
/**
|
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|
270
|
* Get the tap duration required to trigger an event.
|
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|
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|
*
|
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|
272
|
* @return The max time that an event must be above the tap threshold to
|
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|
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|
* qualify as a tap event, in microseconds.
|
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|
274
|
*/
|
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|
275
|
float getTapDuration(void);
|
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0:f5a5a0e5fefb
|
276
|
|
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0:f5a5a0e5fefb
|
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|
/**
|
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|
278
|
* Set the tap duration required to trigger an event.
|
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|
279
|
*
|
| higedura |
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|
280
|
* @param duration_us The max time that an event must be above the tap
|
| higedura |
0:f5a5a0e5fefb
|
281
|
* threshold to qualify as a tap event, in microseconds.
|
| higedura |
0:f5a5a0e5fefb
|
282
|
* Time will be normalized by the scale factor which is
|
| higedura |
0:f5a5a0e5fefb
|
283
|
* 625us/LSB. A value of 0 disables the single/double
|
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0:f5a5a0e5fefb
|
284
|
* tap functions.
|
| higedura |
0:f5a5a0e5fefb
|
285
|
*/
|
| higedura |
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|
286
|
int setTapDuration(short int duration_us);
|
| higedura |
0:f5a5a0e5fefb
|
287
|
|
| higedura |
0:f5a5a0e5fefb
|
288
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
289
|
* Get the tap latency between the detection of a tap and the time window.
|
| higedura |
0:f5a5a0e5fefb
|
290
|
*
|
| higedura |
0:f5a5a0e5fefb
|
291
|
* @return The wait time from the detection of a tap event to the start of
|
| higedura |
0:f5a5a0e5fefb
|
292
|
* the time window during which a possible second tap event can be
|
| higedura |
0:f5a5a0e5fefb
|
293
|
* detected in milliseconds.
|
| higedura |
0:f5a5a0e5fefb
|
294
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
295
|
float getTapLatency(void);
|
| higedura |
0:f5a5a0e5fefb
|
296
|
|
| higedura |
0:f5a5a0e5fefb
|
297
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
298
|
* Set the tap latency between the detection of a tap and the time window.
|
| higedura |
0:f5a5a0e5fefb
|
299
|
*
|
| higedura |
0:f5a5a0e5fefb
|
300
|
* @param latency_ms The wait time from the detection of a tap event to the
|
| higedura |
0:f5a5a0e5fefb
|
301
|
* start of the time window during which a possible
|
| higedura |
0:f5a5a0e5fefb
|
302
|
* second tap event can be detected in milliseconds.
|
| higedura |
0:f5a5a0e5fefb
|
303
|
* A value of 0 disables the double tap function.
|
| higedura |
0:f5a5a0e5fefb
|
304
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
305
|
int setTapLatency(short int latency_ms);
|
| higedura |
0:f5a5a0e5fefb
|
306
|
|
| higedura |
0:f5a5a0e5fefb
|
307
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
308
|
* Get the time of window between tap latency and a double tap.
|
| higedura |
0:f5a5a0e5fefb
|
309
|
*
|
| higedura |
0:f5a5a0e5fefb
|
310
|
* @return The amount of time after the expiration of the latency time
|
| higedura |
0:f5a5a0e5fefb
|
311
|
* during which a second valid tap can begin, in milliseconds.
|
| higedura |
0:f5a5a0e5fefb
|
312
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
313
|
float getWindowTime(void);
|
| higedura |
0:f5a5a0e5fefb
|
314
|
|
| higedura |
0:f5a5a0e5fefb
|
315
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
316
|
* Set the time of the window between tap latency and a double tap.
|
| higedura |
0:f5a5a0e5fefb
|
317
|
*
|
| higedura |
0:f5a5a0e5fefb
|
318
|
* @param window_ms The amount of time after the expiration of the latency
|
| higedura |
0:f5a5a0e5fefb
|
319
|
* time during which a second valid tap can begin,
|
| higedura |
0:f5a5a0e5fefb
|
320
|
* in milliseconds.
|
| higedura |
0:f5a5a0e5fefb
|
321
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
322
|
int setWindowTime(short int window_ms);
|
| higedura |
0:f5a5a0e5fefb
|
323
|
|
| higedura |
0:f5a5a0e5fefb
|
324
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
325
|
* Get the threshold value for detecting activity.
|
| higedura |
0:f5a5a0e5fefb
|
326
|
*
|
| higedura |
0:f5a5a0e5fefb
|
327
|
* @return The threshold value for detecting activity as an 8-bit number.
|
| higedura |
0:f5a5a0e5fefb
|
328
|
* Scale factor is 62.5mg/LSB.
|
| higedura |
0:f5a5a0e5fefb
|
329
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
330
|
char getActivityThreshold(void);
|
| higedura |
0:f5a5a0e5fefb
|
331
|
|
| higedura |
0:f5a5a0e5fefb
|
332
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
333
|
* Set the threshold value for detecting activity.
|
| higedura |
0:f5a5a0e5fefb
|
334
|
*
|
| higedura |
0:f5a5a0e5fefb
|
335
|
* @param threshold The threshold value for detecting activity as an 8-bit
|
| higedura |
0:f5a5a0e5fefb
|
336
|
* number. Scale factor is 62.5mg/LSB. A value of 0 may
|
| higedura |
0:f5a5a0e5fefb
|
337
|
* result in undesirable behavior if the activity
|
| higedura |
0:f5a5a0e5fefb
|
338
|
* interrupt is enabled.
|
| higedura |
0:f5a5a0e5fefb
|
339
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
340
|
int setActivityThreshold(char threshold);
|
| higedura |
0:f5a5a0e5fefb
|
341
|
|
| higedura |
0:f5a5a0e5fefb
|
342
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
343
|
* Get the threshold value for detecting inactivity.
|
| higedura |
0:f5a5a0e5fefb
|
344
|
*
|
| higedura |
0:f5a5a0e5fefb
|
345
|
* @return The threshold value for detecting inactivity as an 8-bit number.
|
| higedura |
0:f5a5a0e5fefb
|
346
|
* Scale factor is 62.5mg/LSB.
|
| higedura |
0:f5a5a0e5fefb
|
347
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
348
|
char getInactivityThreshold(void);
|
| higedura |
0:f5a5a0e5fefb
|
349
|
|
| higedura |
0:f5a5a0e5fefb
|
350
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
351
|
* Set the threshold value for detecting inactivity.
|
| higedura |
0:f5a5a0e5fefb
|
352
|
*
|
| higedura |
0:f5a5a0e5fefb
|
353
|
* @param threshold The threshold value for detecting inactivity as an
|
| higedura |
0:f5a5a0e5fefb
|
354
|
* 8-bit number. Scale factor is 62.5mg/LSB.
|
| higedura |
0:f5a5a0e5fefb
|
355
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
356
|
int setInactivityThreshold(char threshold);
|
| higedura |
0:f5a5a0e5fefb
|
357
|
|
| higedura |
0:f5a5a0e5fefb
|
358
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
359
|
* Get the time required for inactivity to be declared.
|
| higedura |
0:f5a5a0e5fefb
|
360
|
*
|
| higedura |
0:f5a5a0e5fefb
|
361
|
* @return The amount of time that acceleration must be less than the
|
| higedura |
0:f5a5a0e5fefb
|
362
|
* inactivity threshold for inactivity to be declared, in
|
| higedura |
0:f5a5a0e5fefb
|
363
|
* seconds.
|
| higedura |
0:f5a5a0e5fefb
|
364
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
365
|
char getTimeInactivity(void);
|
| higedura |
0:f5a5a0e5fefb
|
366
|
|
| higedura |
0:f5a5a0e5fefb
|
367
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
368
|
* Set the time required for inactivity to be declared.
|
| higedura |
0:f5a5a0e5fefb
|
369
|
*
|
| higedura |
0:f5a5a0e5fefb
|
370
|
* @param inactivity The amount of time that acceleration must be less than
|
| higedura |
0:f5a5a0e5fefb
|
371
|
* the inactivity threshold for inactivity to be
|
| higedura |
0:f5a5a0e5fefb
|
372
|
* declared, in seconds. A value of 0 results in an
|
| higedura |
0:f5a5a0e5fefb
|
373
|
* interrupt when the output data is less than the
|
| higedura |
0:f5a5a0e5fefb
|
374
|
* threshold inactivity.
|
| higedura |
0:f5a5a0e5fefb
|
375
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
376
|
int setTimeInactivity(char timeInactivity);
|
| higedura |
0:f5a5a0e5fefb
|
377
|
|
| higedura |
0:f5a5a0e5fefb
|
378
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
379
|
* Get the activity/inactivity control settings.
|
| higedura |
0:f5a5a0e5fefb
|
380
|
*
|
| higedura |
0:f5a5a0e5fefb
|
381
|
* D7 D6 D5 D4
|
| higedura |
0:f5a5a0e5fefb
|
382
|
* +-----------+--------------+--------------+--------------+
|
| higedura |
0:f5a5a0e5fefb
|
383
|
* | ACT ac/dc | ACT_X enable | ACT_Y enable | ACT_Z enable |
|
| higedura |
0:f5a5a0e5fefb
|
384
|
* +-----------+--------------+--------------+--------------+
|
| higedura |
0:f5a5a0e5fefb
|
385
|
*
|
| higedura |
0:f5a5a0e5fefb
|
386
|
* D3 D2 D1 D0
|
| higedura |
0:f5a5a0e5fefb
|
387
|
* +-------------+----------------+----------------+----------------+
|
| higedura |
0:f5a5a0e5fefb
|
388
|
* | INACT ac/dc | INACT_X enable | INACT_Y enable | INACT_Z enable |
|
| higedura |
0:f5a5a0e5fefb
|
389
|
* +-------------+----------------+----------------+----------------+
|
| higedura |
0:f5a5a0e5fefb
|
390
|
*
|
| higedura |
0:f5a5a0e5fefb
|
391
|
* See datasheet for details.
|
| higedura |
0:f5a5a0e5fefb
|
392
|
*
|
| higedura |
0:f5a5a0e5fefb
|
393
|
* @return The contents of the ACT_INACT_CTL register.
|
| higedura |
0:f5a5a0e5fefb
|
394
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
395
|
char getActivityInactivityControl(void);
|
| higedura |
0:f5a5a0e5fefb
|
396
|
|
| higedura |
0:f5a5a0e5fefb
|
397
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
398
|
* Set the activity/inactivity control settings.
|
| higedura |
0:f5a5a0e5fefb
|
399
|
*
|
| higedura |
0:f5a5a0e5fefb
|
400
|
* D7 D6 D5 D4
|
| higedura |
0:f5a5a0e5fefb
|
401
|
* +-----------+--------------+--------------+--------------+
|
| higedura |
0:f5a5a0e5fefb
|
402
|
* | ACT ac/dc | ACT_X enable | ACT_Y enable | ACT_Z enable |
|
| higedura |
0:f5a5a0e5fefb
|
403
|
* +-----------+--------------+--------------+--------------+
|
| higedura |
0:f5a5a0e5fefb
|
404
|
*
|
| higedura |
0:f5a5a0e5fefb
|
405
|
* D3 D2 D1 D0
|
| higedura |
0:f5a5a0e5fefb
|
406
|
* +-------------+----------------+----------------+----------------+
|
| higedura |
0:f5a5a0e5fefb
|
407
|
* | INACT ac/dc | INACT_X enable | INACT_Y enable | INACT_Z enable |
|
| higedura |
0:f5a5a0e5fefb
|
408
|
* +-------------+----------------+----------------+----------------+
|
| higedura |
0:f5a5a0e5fefb
|
409
|
*
|
| higedura |
0:f5a5a0e5fefb
|
410
|
* See datasheet for details.
|
| higedura |
0:f5a5a0e5fefb
|
411
|
*
|
| higedura |
0:f5a5a0e5fefb
|
412
|
* @param settings The control byte to write to the ACT_INACT_CTL register.
|
| higedura |
0:f5a5a0e5fefb
|
413
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
414
|
int setActivityInactivityControl(char settings);
|
| higedura |
0:f5a5a0e5fefb
|
415
|
|
| higedura |
0:f5a5a0e5fefb
|
416
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
417
|
* Get the threshold for free fall detection.
|
| higedura |
0:f5a5a0e5fefb
|
418
|
*
|
| higedura |
0:f5a5a0e5fefb
|
419
|
* @return The threshold value for free-fall detection, as an 8-bit number,
|
| higedura |
0:f5a5a0e5fefb
|
420
|
* with scale factor 62.5mg/LSB.
|
| higedura |
0:f5a5a0e5fefb
|
421
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
422
|
char getFreefallThreshold(void);
|
| higedura |
0:f5a5a0e5fefb
|
423
|
|
| higedura |
0:f5a5a0e5fefb
|
424
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
425
|
* Set the threshold for free fall detection.
|
| higedura |
0:f5a5a0e5fefb
|
426
|
*
|
| higedura |
0:f5a5a0e5fefb
|
427
|
* @return The threshold value for free-fall detection, as an 8-bit number,
|
| higedura |
0:f5a5a0e5fefb
|
428
|
* with scale factor 62.5mg/LSB. A value of 0 may result in
|
| higedura |
0:f5a5a0e5fefb
|
429
|
* undesirable behavior if the free-fall interrupt is enabled.
|
| higedura |
0:f5a5a0e5fefb
|
430
|
* Values between 300 mg and 600 mg (0x05 to 0x09) are recommended.
|
| higedura |
0:f5a5a0e5fefb
|
431
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
432
|
int setFreefallThreshold(char threshold);
|
| higedura |
0:f5a5a0e5fefb
|
433
|
|
| higedura |
0:f5a5a0e5fefb
|
434
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
435
|
* Get the time required to generate a free fall interrupt.
|
| higedura |
0:f5a5a0e5fefb
|
436
|
*
|
| higedura |
0:f5a5a0e5fefb
|
437
|
* @return The minimum time that the value of all axes must be less than
|
| higedura |
0:f5a5a0e5fefb
|
438
|
* the freefall threshold to generate a free-fall interrupt, in
|
| higedura |
0:f5a5a0e5fefb
|
439
|
* milliseconds.
|
| higedura |
0:f5a5a0e5fefb
|
440
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
441
|
char getFreefallTime(void);
|
| higedura |
0:f5a5a0e5fefb
|
442
|
|
| higedura |
0:f5a5a0e5fefb
|
443
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
444
|
* Set the time required to generate a free fall interrupt.
|
| higedura |
0:f5a5a0e5fefb
|
445
|
*
|
| higedura |
0:f5a5a0e5fefb
|
446
|
* @return The minimum time that the value of all axes must be less than
|
| higedura |
0:f5a5a0e5fefb
|
447
|
* the freefall threshold to generate a free-fall interrupt, in
|
| higedura |
0:f5a5a0e5fefb
|
448
|
* milliseconds. A value of 0 may result in undesirable behavior
|
| higedura |
0:f5a5a0e5fefb
|
449
|
* if the free-fall interrupt is enabled. Values between 100 ms
|
| higedura |
0:f5a5a0e5fefb
|
450
|
* and 350 ms (0x14 to 0x46) are recommended.
|
| higedura |
0:f5a5a0e5fefb
|
451
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
452
|
int setFreefallTime(short int freefallTime_ms);
|
| higedura |
0:f5a5a0e5fefb
|
453
|
|
| higedura |
0:f5a5a0e5fefb
|
454
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
455
|
* Get the axis tap settings.
|
| higedura |
0:f5a5a0e5fefb
|
456
|
*
|
| higedura |
0:f5a5a0e5fefb
|
457
|
* D3 D2 D1 D0
|
| higedura |
0:f5a5a0e5fefb
|
458
|
* +----------+--------------+--------------+--------------+
|
| higedura |
0:f5a5a0e5fefb
|
459
|
* | Suppress | TAP_X enable | TAP_Y enable | TAP_Z enable |
|
| higedura |
0:f5a5a0e5fefb
|
460
|
* +----------+--------------+--------------+--------------+
|
| higedura |
0:f5a5a0e5fefb
|
461
|
*
|
| higedura |
0:f5a5a0e5fefb
|
462
|
* (D7-D4 are 0s).
|
| higedura |
0:f5a5a0e5fefb
|
463
|
*
|
| higedura |
0:f5a5a0e5fefb
|
464
|
* See datasheet for more details.
|
| higedura |
0:f5a5a0e5fefb
|
465
|
*
|
| higedura |
0:f5a5a0e5fefb
|
466
|
* @return The contents of the TAP_AXES register.
|
| higedura |
0:f5a5a0e5fefb
|
467
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
468
|
char getTapAxisControl(void);
|
| higedura |
0:f5a5a0e5fefb
|
469
|
|
| higedura |
0:f5a5a0e5fefb
|
470
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
471
|
* Set the axis tap settings.
|
| higedura |
0:f5a5a0e5fefb
|
472
|
*
|
| higedura |
0:f5a5a0e5fefb
|
473
|
* D3 D2 D1 D0
|
| higedura |
0:f5a5a0e5fefb
|
474
|
* +----------+--------------+--------------+--------------+
|
| higedura |
0:f5a5a0e5fefb
|
475
|
* | Suppress | TAP_X enable | TAP_Y enable | TAP_Z enable |
|
| higedura |
0:f5a5a0e5fefb
|
476
|
* +----------+--------------+--------------+--------------+
|
| higedura |
0:f5a5a0e5fefb
|
477
|
*
|
| higedura |
0:f5a5a0e5fefb
|
478
|
* (D7-D4 are 0s).
|
| higedura |
0:f5a5a0e5fefb
|
479
|
*
|
| higedura |
0:f5a5a0e5fefb
|
480
|
* See datasheet for more details.
|
| higedura |
0:f5a5a0e5fefb
|
481
|
*
|
| higedura |
0:f5a5a0e5fefb
|
482
|
* @param The control byte to write to the TAP_AXES register.
|
| higedura |
0:f5a5a0e5fefb
|
483
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
484
|
int setTapAxisControl(char settings);
|
| higedura |
0:f5a5a0e5fefb
|
485
|
|
| higedura |
0:f5a5a0e5fefb
|
486
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
487
|
* Get the source of a tap.
|
| higedura |
0:f5a5a0e5fefb
|
488
|
*
|
| higedura |
0:f5a5a0e5fefb
|
489
|
* @return The contents of the ACT_TAP_STATUS register.
|
| higedura |
0:f5a5a0e5fefb
|
490
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
491
|
char getTapSource(void);
|
| higedura |
0:f5a5a0e5fefb
|
492
|
|
| higedura |
0:f5a5a0e5fefb
|
493
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
494
|
* Get the interrupt enable settings.
|
| higedura |
0:f5a5a0e5fefb
|
495
|
*
|
| higedura |
0:f5a5a0e5fefb
|
496
|
* @return The contents of the INT_ENABLE register.
|
| higedura |
0:f5a5a0e5fefb
|
497
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
498
|
|
| higedura |
0:f5a5a0e5fefb
|
499
|
char getInterruptEnableControl(void);
|
| higedura |
0:f5a5a0e5fefb
|
500
|
|
| higedura |
0:f5a5a0e5fefb
|
501
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
502
|
* Set the interrupt enable settings.
|
| higedura |
0:f5a5a0e5fefb
|
503
|
*
|
| higedura |
0:f5a5a0e5fefb
|
504
|
* @param settings The control byte to write to the INT_ENABLE register.
|
| higedura |
0:f5a5a0e5fefb
|
505
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
506
|
int setInterruptEnableControl(char settings);
|
| higedura |
0:f5a5a0e5fefb
|
507
|
|
| higedura |
0:f5a5a0e5fefb
|
508
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
509
|
* Get the interrupt mapping settings.
|
| higedura |
0:f5a5a0e5fefb
|
510
|
*
|
| higedura |
0:f5a5a0e5fefb
|
511
|
* @return The contents of the INT_MAP register.
|
| higedura |
0:f5a5a0e5fefb
|
512
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
513
|
char getInterruptMappingControl(void);
|
| higedura |
0:f5a5a0e5fefb
|
514
|
|
| higedura |
0:f5a5a0e5fefb
|
515
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
516
|
* Set the interrupt mapping settings.
|
| higedura |
0:f5a5a0e5fefb
|
517
|
*
|
| higedura |
0:f5a5a0e5fefb
|
518
|
* @param settings The control byte to write to the INT_MAP register.
|
| higedura |
0:f5a5a0e5fefb
|
519
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
520
|
int setInterruptMappingControl(char settings);
|
| higedura |
0:f5a5a0e5fefb
|
521
|
|
| higedura |
0:f5a5a0e5fefb
|
522
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
523
|
* Get the interrupt source.
|
| higedura |
0:f5a5a0e5fefb
|
524
|
*
|
| higedura |
0:f5a5a0e5fefb
|
525
|
* @return The contents of the INT_SOURCE register.
|
| higedura |
0:f5a5a0e5fefb
|
526
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
527
|
char getInterruptSource(void);
|
| higedura |
0:f5a5a0e5fefb
|
528
|
|
| higedura |
0:f5a5a0e5fefb
|
529
|
|
| higedura |
0:f5a5a0e5fefb
|
530
|
private:
|
| higedura |
0:f5a5a0e5fefb
|
531
|
|
| higedura |
0:f5a5a0e5fefb
|
532
|
I2C i2c_;
|
| higedura |
0:f5a5a0e5fefb
|
533
|
|
| higedura |
0:f5a5a0e5fefb
|
534
|
|
| higedura |
0:f5a5a0e5fefb
|
535
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
536
|
* Read one byte from a register on the device.
|
| higedura |
0:f5a5a0e5fefb
|
537
|
*
|
| higedura |
0:f5a5a0e5fefb
|
538
|
* @param: - the address to be read from
|
| higedura |
0:f5a5a0e5fefb
|
539
|
*
|
| higedura |
0:f5a5a0e5fefb
|
540
|
* @return: the value of the data read
|
| higedura |
0:f5a5a0e5fefb
|
541
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
542
|
char SingleByteRead(char address);
|
| higedura |
0:f5a5a0e5fefb
|
543
|
|
| higedura |
0:f5a5a0e5fefb
|
544
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
545
|
* Write one byte to a register on the device.
|
| higedura |
0:f5a5a0e5fefb
|
546
|
*
|
| higedura |
0:f5a5a0e5fefb
|
547
|
* @param:
|
| higedura |
0:f5a5a0e5fefb
|
548
|
- address of the register to write to.
|
| higedura |
0:f5a5a0e5fefb
|
549
|
- the value of the data to store
|
| higedura |
0:f5a5a0e5fefb
|
550
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
551
|
|
| higedura |
0:f5a5a0e5fefb
|
552
|
|
| higedura |
0:f5a5a0e5fefb
|
553
|
int SingleByteWrite(char address, char data);
|
| higedura |
0:f5a5a0e5fefb
|
554
|
|
| higedura |
0:f5a5a0e5fefb
|
555
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
556
|
* Read several consecutive bytes on the device and store them in a given location.
|
| higedura |
0:f5a5a0e5fefb
|
557
|
*
|
| higedura |
0:f5a5a0e5fefb
|
558
|
* @param startAddress: The address of the first register to read from.
|
| higedura |
0:f5a5a0e5fefb
|
559
|
* @param ptr_output: a pointer to the location to store the data being read
|
| higedura |
0:f5a5a0e5fefb
|
560
|
* @param size: The number of bytes to read.
|
| higedura |
0:f5a5a0e5fefb
|
561
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
562
|
void multiByteRead(char startAddress, char* ptr_output, int size);
|
| higedura |
0:f5a5a0e5fefb
|
563
|
|
| higedura |
0:f5a5a0e5fefb
|
564
|
/**
|
| higedura |
0:f5a5a0e5fefb
|
565
|
* Write several consecutive bytes on the device.
|
| higedura |
0:f5a5a0e5fefb
|
566
|
*
|
| higedura |
0:f5a5a0e5fefb
|
567
|
* @param startAddress: The address of the first register to write to.
|
| higedura |
0:f5a5a0e5fefb
|
568
|
* @param ptr_data: Pointer to a location which contains the data to write.
|
| higedura |
0:f5a5a0e5fefb
|
569
|
* @param size: The number of bytes to write.
|
| higedura |
0:f5a5a0e5fefb
|
570
|
*/
|
| higedura |
0:f5a5a0e5fefb
|
571
|
int multiByteWrite(char startAddress, char* ptr_data, int size);
|
| higedura |
0:f5a5a0e5fefb
|
572
|
|
| higedura |
0:f5a5a0e5fefb
|
573
|
};
|
| higedura |
0:f5a5a0e5fefb
|
574
|
|
| higedura |
0:f5a5a0e5fefb
|
575
|
#endif /* ADXL345_I2C_H */
|
hige dura