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b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk'
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git-subtree-dir: tmk_core
git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552
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Jun Wako 2015-04-24 16:26:14 +09:00
parent a20ef7052c
commit 1fe4406f37
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tool/mbed/mbed-sdk/libraries/tests/peripherals/ADXL345/ADXL345.cpp Normal file
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/**
* @author Aaron Berk
*
* @section LICENSE
*
* Copyright (c) 2010 ARM Limited
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @section DESCRIPTION
*
* ADXL345, triple axis, digital interface, accelerometer.
*
* Datasheet:
*
* http://www.analog.com/static/imported-files/data_sheets/ADXL345.pdf
*/
/**
* Includes
*/
#include "ADXL345.h"
ADXL345::ADXL345(PinName mosi,
PinName miso,
PinName sck,
PinName cs) : spi_(mosi, miso, sck), nCS_(cs) {
//2MHz, allowing us to use the fastest data rates.
spi_.frequency(2000000);
spi_.format(8,3);
nCS_ = 1;
wait_us(500);
}
int ADXL345::getDevId(void) {
return oneByteRead(ADXL345_DEVID_REG);
}
int ADXL345::getTapThreshold(void) {
return oneByteRead(ADXL345_THRESH_TAP_REG);
}
void ADXL345::setTapThreshold(int threshold) {
oneByteWrite(ADXL345_THRESH_TAP_REG, threshold);
}
int ADXL345::getOffset(int axis) {
int address = 0;
if (axis == ADXL345_X) {
address = ADXL345_OFSX_REG;
} else if (axis == ADXL345_Y) {
address = ADXL345_OFSY_REG;
} else if (axis == ADXL345_Z) {
address = ADXL345_OFSZ_REG;
}
return oneByteRead(address);
}
void ADXL345::setOffset(int axis, char offset) {
int address = 0;
if (axis == ADXL345_X) {
address = ADXL345_OFSX_REG;
} else if (axis == ADXL345_Y) {
address = ADXL345_OFSY_REG;
} else if (axis == ADXL345_Z) {
address = ADXL345_OFSZ_REG;
}
return oneByteWrite(address, offset);
}
int ADXL345::getTapDuration(void) {
return oneByteRead(ADXL345_DUR_REG)*625;
}
void ADXL345::setTapDuration(int duration_us) {
int tapDuration = duration_us / 625;
oneByteWrite(ADXL345_DUR_REG, tapDuration);
}
float ADXL345::getTapLatency(void) {
return oneByteRead(ADXL345_LATENT_REG)*1.25;
}
void ADXL345::setTapLatency(int latency_ms) {
int tapLatency = latency_ms / 1.25;
oneByteWrite(ADXL345_LATENT_REG, tapLatency);
}
float ADXL345::getWindowTime(void) {
return oneByteRead(ADXL345_WINDOW_REG)*1.25;
}
void ADXL345::setWindowTime(int window_ms) {
int windowTime = window_ms / 1.25;
oneByteWrite(ADXL345_WINDOW_REG, windowTime);
}
int ADXL345::getActivityThreshold(void) {
return oneByteRead(ADXL345_THRESH_ACT_REG);
}
void ADXL345::setActivityThreshold(int threshold) {
oneByteWrite(ADXL345_THRESH_ACT_REG, threshold);
}
int ADXL345::getInactivityThreshold(void) {
return oneByteRead(ADXL345_THRESH_INACT_REG);
}
void ADXL345::setInactivityThreshold(int threshold) {
return oneByteWrite(ADXL345_THRESH_INACT_REG, threshold);
}
int ADXL345::getTimeInactivity(void) {
return oneByteRead(ADXL345_TIME_INACT_REG);
}
void ADXL345::setTimeInactivity(int timeInactivity) {
oneByteWrite(ADXL345_TIME_INACT_REG, timeInactivity);
}
int ADXL345::getActivityInactivityControl(void) {
return oneByteRead(ADXL345_ACT_INACT_CTL_REG);
}
void ADXL345::setActivityInactivityControl(int settings) {
oneByteWrite(ADXL345_ACT_INACT_CTL_REG, settings);
}
int ADXL345::getFreefallThreshold(void) {
return oneByteRead(ADXL345_THRESH_FF_REG);
}
void ADXL345::setFreefallThreshold(int threshold) {
oneByteWrite(ADXL345_THRESH_FF_REG, threshold);
}
int ADXL345::getFreefallTime(void) {
return oneByteRead(ADXL345_TIME_FF_REG)*5;
}
void ADXL345::setFreefallTime(int freefallTime_ms) {
int freefallTime = freefallTime_ms / 5;
oneByteWrite(ADXL345_TIME_FF_REG, freefallTime);
}
int ADXL345::getTapAxisControl(void) {
return oneByteRead(ADXL345_TAP_AXES_REG);
}
void ADXL345::setTapAxisControl(int settings) {
oneByteWrite(ADXL345_TAP_AXES_REG, settings);
}
int ADXL345::getTapSource(void) {
return oneByteRead(ADXL345_ACT_TAP_STATUS_REG);
}
void ADXL345::setPowerMode(char mode) {
//Get the current register contents, so we don't clobber the rate value.
char registerContents = oneByteRead(ADXL345_BW_RATE_REG);
registerContents = (mode << 4) | registerContents;
oneByteWrite(ADXL345_BW_RATE_REG, registerContents);
}
int ADXL345::getPowerControl(void) {
return oneByteRead(ADXL345_POWER_CTL_REG);
}
void ADXL345::setPowerControl(int settings) {
oneByteWrite(ADXL345_POWER_CTL_REG, settings);
}
int ADXL345::getInterruptEnableControl(void) {
return oneByteRead(ADXL345_INT_ENABLE_REG);
}
void ADXL345::setInterruptEnableControl(int settings) {
oneByteWrite(ADXL345_INT_ENABLE_REG, settings);
}
int ADXL345::getInterruptMappingControl(void) {
return oneByteRead(ADXL345_INT_MAP_REG);
}
void ADXL345::setInterruptMappingControl(int settings) {
oneByteWrite(ADXL345_INT_MAP_REG, settings);
}
int ADXL345::getInterruptSource(void){
return oneByteRead(ADXL345_INT_SOURCE_REG);
}
int ADXL345::getDataFormatControl(void){
return oneByteRead(ADXL345_DATA_FORMAT_REG);
}
void ADXL345::setDataFormatControl(int settings){
oneByteWrite(ADXL345_DATA_FORMAT_REG, settings);
}
void ADXL345::setDataRate(int rate) {
//Get the current register contents, so we don't clobber the power bit.
char registerContents = oneByteRead(ADXL345_BW_RATE_REG);
registerContents &= 0x10;
registerContents |= rate;
oneByteWrite(ADXL345_BW_RATE_REG, registerContents);
}
void ADXL345::getOutput(int* readings){
char buffer[6];
multiByteRead(ADXL345_DATAX0_REG, buffer, 6);
readings[0] = (int)buffer[1] << 8 | (int)buffer[0];
readings[1] = (int)buffer[3] << 8 | (int)buffer[2];
readings[2] = (int)buffer[5] << 8 | (int)buffer[4];
}
int ADXL345::getFifoControl(void){
return oneByteRead(ADXL345_FIFO_CTL);
}
void ADXL345::setFifoControl(int settings){
oneByteWrite(ADXL345_FIFO_STATUS, settings);
}
int ADXL345::getFifoStatus(void){
return oneByteRead(ADXL345_FIFO_STATUS);
}
int ADXL345::oneByteRead(int address) {
int tx = (ADXL345_SPI_READ | (address & 0x3F));
int rx = 0;
nCS_ = 0;
//Send address to read from.
spi_.write(tx);
//Read back contents of address.
rx = spi_.write(0x00);
nCS_ = 1;
return rx;
}
void ADXL345::oneByteWrite(int address, char data) {
int tx = (ADXL345_SPI_WRITE | (address & 0x3F));
nCS_ = 0;
//Send address to write to.
spi_.write(tx);
//Send data to be written.
spi_.write(data);
nCS_ = 1;
}
void ADXL345::multiByteRead(int startAddress, char* buffer, int size) {
int tx = (ADXL345_SPI_READ | ADXL345_MULTI_BYTE | (startAddress & 0x3F));
nCS_ = 0;
//Send address to start reading from.
spi_.write(tx);
for (int i = 0; i < size; i++) {
buffer[i] = spi_.write(0x00);
}
nCS_ = 1;
}
void ADXL345::multiByteWrite(int startAddress, char* buffer, int size) {
int tx = (ADXL345_SPI_WRITE | ADXL345_MULTI_BYTE | (startAddress & 0x3F));
nCS_ = 0;
//Send address to start reading from.
spi_.write(tx);
for (int i = 0; i < size; i++) {
buffer[i] = spi_.write(0x00);
}
nCS_ = 1;
}

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tool/mbed/mbed-sdk/libraries/tests/peripherals/ADXL345/ADXL345.h Normal file
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/**
* @author Aaron Berk
*
* @section LICENSE
*
* Copyright (c) 2010 ARM Limited
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @section DESCRIPTION
*
* ADXL345, triple axis, digital interface, accelerometer.
*
* Datasheet:
*
* http://www.analog.com/static/imported-files/data_sheets/ADXL345.pdf
*/
#ifndef ADXL345_H
#define ADXL345_H
/**
* Includes
*/
#include "mbed.h"
/**
* Defines
*/
//Registers.
#define ADXL345_DEVID_REG 0x00
#define ADXL345_THRESH_TAP_REG 0x1D
#define ADXL345_OFSX_REG 0x1E
#define ADXL345_OFSY_REG 0x1F
#define ADXL345_OFSZ_REG 0x20
#define ADXL345_DUR_REG 0x21
#define ADXL345_LATENT_REG 0x22
#define ADXL345_WINDOW_REG 0x23
#define ADXL345_THRESH_ACT_REG 0x24
#define ADXL345_THRESH_INACT_REG 0x25
#define ADXL345_TIME_INACT_REG 0x26
#define ADXL345_ACT_INACT_CTL_REG 0x27
#define ADXL345_THRESH_FF_REG 0x28
#define ADXL345_TIME_FF_REG 0x29
#define ADXL345_TAP_AXES_REG 0x2A
#define ADXL345_ACT_TAP_STATUS_REG 0x2B
#define ADXL345_BW_RATE_REG 0x2C
#define ADXL345_POWER_CTL_REG 0x2D
#define ADXL345_INT_ENABLE_REG 0x2E
#define ADXL345_INT_MAP_REG 0x2F
#define ADXL345_INT_SOURCE_REG 0x30
#define ADXL345_DATA_FORMAT_REG 0x31
#define ADXL345_DATAX0_REG 0x32
#define ADXL345_DATAX1_REG 0x33
#define ADXL345_DATAY0_REG 0x34
#define ADXL345_DATAY1_REG 0x35
#define ADXL345_DATAZ0_REG 0x36
#define ADXL345_DATAZ1_REG 0x37
#define ADXL345_FIFO_CTL 0x38
#define ADXL345_FIFO_STATUS 0x39
//Data rate codes.
#define ADXL345_3200HZ 0x0F
#define ADXL345_1600HZ 0x0E
#define ADXL345_800HZ 0x0D
#define ADXL345_400HZ 0x0C
#define ADXL345_200HZ 0x0B
#define ADXL345_100HZ 0x0A
#define ADXL345_50HZ 0x09
#define ADXL345_25HZ 0x08
#define ADXL345_12HZ5 0x07
#define ADXL345_6HZ25 0x06
#define ADXL345_SPI_READ 0x80
#define ADXL345_SPI_WRITE 0x00
#define ADXL345_MULTI_BYTE 0x60
#define ADXL345_X 0x00
#define ADXL345_Y 0x01
#define ADXL345_Z 0x02
/**
* ADXL345 triple axis, digital interface, accelerometer.
*/
class ADXL345 {
public:
/**
* Constructor.
*
* @param mosi mbed pin to use for MOSI line of SPI interface.
* @param miso mbed pin to use for MISO line of SPI interface.
* @param sck mbed pin to use for SCK line of SPI interface.
* @param cs mbed pin to use for not chip select line of SPI interface.
*/
ADXL345(PinName mosi, PinName miso, PinName sck, PinName cs);
/**
* Read the device ID register on the device.
*
* @return The device ID code [0xE5]
*/
int getDevId(void);
/**
* Read the tap threshold on the device.
*
* @return The tap threshold as an 8-bit number with a scale factor of
* 62.5mg/LSB.
*/
int getTapThreshold(void);
/**
* Set the tap threshold.
*
* @param The tap threshold as an 8-bit number with a scale factor of
* 62.5mg/LSB.
*/
void setTapThreshold(int threshold);
/**
* Get the current offset for a particular axis.
*
* @param axis 0x00 -> X-axis
* 0x01 -> Y-axis
* 0x02 -> Z-axis
* @return The current offset as an 8-bit 2's complement number with scale
* factor 15.6mg/LSB.
*/
int getOffset(int axis);
/**
* Set the offset for a particular axis.
*
* @param axis 0x00 -> X-axis
* 0x01 -> Y-axis
* 0x02 -> Z-axis
* @param offset The offset as an 8-bit 2's complement number with scale
* factor 15.6mg/LSB.
*/
void setOffset(int axis, char offset);
/**
* Get the tap duration required to trigger an event.
*
* @return The max time that an event must be above the tap threshold to
* qualify as a tap event, in microseconds.
*/
int getTapDuration(void);
/**
* Set the tap duration required to trigger an event.
*
* @param duration_us The max time that an event must be above the tap
* threshold to qualify as a tap event, in microseconds.
* Time will be normalized by the scale factor which is
* 625us/LSB. A value of 0 disables the single/double
* tap functions.
*/
void setTapDuration(int duration_us);
/**
* Get the tap latency between the detection of a tap and the time window.
*
* @return The wait time from the detection of a tap event to the start of
* the time window during which a possible second tap event can be
* detected in milliseconds.
*/
float getTapLatency(void);
/**
* Set the tap latency between the detection of a tap and the time window.
*
* @param latency_ms The wait time from the detection of a tap event to the
* start of the time window during which a possible
* second tap event can be detected in milliseconds.
* A value of 0 disables the double tap function.
*/
void setTapLatency(int latency_ms);
/**
* Get the time of window between tap latency and a double tap.
*
* @return The amount of time after the expiration of the latency time
* during which a second valid tap can begin, in milliseconds.
*/
float getWindowTime(void);
/**
* Set the time of the window between tap latency and a double tap.
*
* @param window_ms The amount of time after the expiration of the latency
* time during which a second valid tap can begin,
* in milliseconds.
*/
void setWindowTime(int window_ms);
/**
* Get the threshold value for detecting activity.
*
* @return The threshold value for detecting activity as an 8-bit number.
* Scale factor is 62.5mg/LSB.
*/
int getActivityThreshold(void);
/**
* Set the threshold value for detecting activity.
*
* @param threshold The threshold value for detecting activity as an 8-bit
* number. Scale factor is 62.5mg/LSB. A value of 0 may
* result in undesirable behavior if the activity
* interrupt is enabled.
*/
void setActivityThreshold(int threshold);
/**
* Get the threshold value for detecting inactivity.
*
* @return The threshold value for detecting inactivity as an 8-bit number.
* Scale factor is 62.5mg/LSB.
*/
int getInactivityThreshold(void);
/**
* Set the threshold value for detecting inactivity.
*
* @param threshold The threshold value for detecting inactivity as an
* 8-bit number. Scale factor is 62.5mg/LSB.
*/
void setInactivityThreshold(int threshold);
/**
* Get the time required for inactivity to be declared.
*
* @return The amount of time that acceleration must be less than the
* inactivity threshold for inactivity to be declared, in
* seconds.
*/
int getTimeInactivity(void);
/**
* Set the time required for inactivity to be declared.
*
* @param inactivity The amount of time that acceleration must be less than
* the inactivity threshold for inactivity to be
* declared, in seconds. A value of 0 results in an
* interrupt when the output data is less than the
* threshold inactivity.
*/
void setTimeInactivity(int timeInactivity);
/**
* Get the activity/inactivity control settings.
*
* D7 D6 D5 D4
* +-----------+--------------+--------------+--------------+
* | ACT ac/dc | ACT_X enable | ACT_Y enable | ACT_Z enable |
* +-----------+--------------+--------------+--------------+
*
* D3 D2 D1 D0
* +-------------+----------------+----------------+----------------+
* | INACT ac/dc | INACT_X enable | INACT_Y enable | INACT_Z enable |
* +-------------+----------------+----------------+----------------+
*
* See datasheet for details.
*
* @return The contents of the ACT_INACT_CTL register.
*/
int getActivityInactivityControl(void);
/**
* Set the activity/inactivity control settings.
*
* D7 D6 D5 D4
* +-----------+--------------+--------------+--------------+
* | ACT ac/dc | ACT_X enable | ACT_Y enable | ACT_Z enable |
* +-----------+--------------+--------------+--------------+
*
* D3 D2 D1 D0
* +-------------+----------------+----------------+----------------+
* | INACT ac/dc | INACT_X enable | INACT_Y enable | INACT_Z enable |
* +-------------+----------------+----------------+----------------+
*
* See datasheet for details.
*
* @param settings The control byte to write to the ACT_INACT_CTL register.
*/
void setActivityInactivityControl(int settings);
/**
* Get the threshold for free fall detection.
*
* @return The threshold value for free-fall detection, as an 8-bit number,
* with scale factor 62.5mg/LSB.
*/
int getFreefallThreshold(void);
/**
* Set the threshold for free fall detection.
*
* @return The threshold value for free-fall detection, as an 8-bit number,
* with scale factor 62.5mg/LSB. A value of 0 may result in
* undesirable behavior if the free-fall interrupt is enabled.
* Values between 300 mg and 600 mg (0x05 to 0x09) are recommended.
*/
void setFreefallThreshold(int threshold);
/**
* Get the time required to generate a free fall interrupt.
*
* @return The minimum time that the value of all axes must be less than
* the freefall threshold to generate a free-fall interrupt, in
* milliseconds.
*/
int getFreefallTime(void);
/**
* Set the time required to generate a free fall interrupt.
*
* @return The minimum time that the value of all axes must be less than
* the freefall threshold to generate a free-fall interrupt, in
* milliseconds. A value of 0 may result in undesirable behavior
* if the free-fall interrupt is enabled. Values between 100 ms
* and 350 ms (0x14 to 0x46) are recommended.
*/
void setFreefallTime(int freefallTime_ms);
/**
* Get the axis tap settings.
*
* D3 D2 D1 D0
* +----------+--------------+--------------+--------------+
* | Suppress | TAP_X enable | TAP_Y enable | TAP_Z enable |
* +----------+--------------+--------------+--------------+
*
* (D7-D4 are 0s).
*
* See datasheet for more details.
*
* @return The contents of the TAP_AXES register.
*/
int getTapAxisControl(void);
/**
* Set the axis tap settings.
*
* D3 D2 D1 D0
* +----------+--------------+--------------+--------------+
* | Suppress | TAP_X enable | TAP_Y enable | TAP_Z enable |
* +----------+--------------+--------------+--------------+
*
* (D7-D4 are 0s).
*
* See datasheet for more details.
*
* @param The control byte to write to the TAP_AXES register.
*/
void setTapAxisControl(int settings);
/**
* Get the source of a tap.
*
* @return The contents of the ACT_TAP_STATUS register.
*/
int getTapSource(void);
/**
* Set the power mode.
*
* @param mode 0 -> Normal operation.
* 1 -> Reduced power operation.
*/
void setPowerMode(char mode);
/**
* Set the data rate.
*
* @param rate The rate code (see #defines or datasheet).
*/
void setDataRate(int rate);
/**
* Get the power control settings.
*
* See datasheet for details.
*
* @return The contents of the POWER_CTL register.
*/
int getPowerControl(void);
/**
* Set the power control settings.
*
* See datasheet for details.
*
* @param The control byte to write to the POWER_CTL register.
*/
void setPowerControl(int settings);
/**
* Get the interrupt enable settings.
*
* @return The contents of the INT_ENABLE register.
*/
int getInterruptEnableControl(void);
/**
* Set the interrupt enable settings.
*
* @param settings The control byte to write to the INT_ENABLE register.
*/
void setInterruptEnableControl(int settings);
/**
* Get the interrupt mapping settings.
*
* @return The contents of the INT_MAP register.
*/
int getInterruptMappingControl(void);
/**
* Set the interrupt mapping settings.
*
* @param settings The control byte to write to the INT_MAP register.
*/
void setInterruptMappingControl(int settings);
/**
* Get the interrupt source.
*
* @return The contents of the INT_SOURCE register.
*/
int getInterruptSource(void);
/**
* Get the data format settings.
*
* @return The contents of the DATA_FORMAT register.
*/
int getDataFormatControl(void);
/**
* Set the data format settings.
*
* @param settings The control byte to write to the DATA_FORMAT register.
*/
void setDataFormatControl(int settings);
/**
* Get the output of all three axes.
*
* @param Pointer to a buffer to hold the accelerometer value for the
* x-axis, y-axis and z-axis [in that order].
*/
void getOutput(int* readings);
/**
* Get the FIFO control settings.
*
* @return The contents of the FIFO_CTL register.
*/
int getFifoControl(void);
/**
* Set the FIFO control settings.
*
* @param The control byte to write to the FIFO_CTL register.
*/
void setFifoControl(int settings);
/**
* Get FIFO status.
*
* @return The contents of the FIFO_STATUS register.
*/
int getFifoStatus(void);
private:
SPI spi_;
DigitalOut nCS_;
/**
* Read one byte from a register on the device.
*
* @param address Address of the register to read.
*
* @return The contents of the register address.
*/
int oneByteRead(int address);
/**
* Write one byte to a register on the device.
*
* @param address Address of the register to write to.
* @param data The data to write into the register.
*/
void oneByteWrite(int address, char data);
/**
* Read several consecutive bytes on the device.
*
* @param startAddress The address of the first register to read from.
* @param buffer Pointer to a buffer to store data read from the device.
* @param size The number of bytes to read.
*/
void multiByteRead(int startAddress, char* buffer, int size);
/**
* Write several consecutive bytes on the device.
*
* @param startAddress The address of the first register to write to.
* @param buffer Pointer to a buffer which contains the data to write.
* @param size The number of bytes to write.
*/
void multiByteWrite(int startAddress, char* buffer, int size);
};
#endif /* ADXL345_H */