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Dependencies: JPEGCamera SDFileSystem mbed
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by 
Takashi SASAKI
Diff: ADXL345_I2C.h
- Revision:
- 14:f97c682b6fe5
- Parent:
- 13:aa50109c4cae
diff -r aa50109c4cae -r f97c682b6fe5 ADXL345_I2C.h
--- a/ADXL345_I2C.h Sun Jul 20 13:53:17 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,577 +0,0 @@
-/**
- * @author Peter Swanson
- * A personal note from me: Jesus Christ has changed my life so much it blows my mind. I say this because
- * today, religion is thought of as something that you do or believe and has about as
- * little impact on a person as their political stance. But for me, God gives me daily
- * strength and has filled my life with the satisfaction that I could never find in any
- * of the other things that I once looked for it in.
- * If your interested, heres verse that changed my life:
- * Rom 8:1-3: "Therefore, there is now no condemnation for those who are in Christ Jesus,
- * because through Christ Jesus, the law of the Spirit who gives life has set
- * me free from the law of sin (which brings...) and death. For what the law
- * was powerless to do in that it was weakened by the flesh, God did by sending
- * His own Son in the likeness of sinful flesh to be a sin offering. And so He
- * condemned sin in the flesh in order that the righteous requirements of the
- * (God's) law might be fully met in us, who live not according to the flesh
- * but according to the Spirit."
- *
- * A special thanks to Ewout van Bekkum for all his patient help in developing this library!
- *
- * @section LICENSE
- *
- * 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, I2C interface, accelerometer.
- *
- * Datasheet:
- *
- * http://www.analog.com/static/imported-files/data_sheets/ADXL345.pdf
- */
-
-
-
-#ifndef ADXL345_I2C_H
-#define ADXL345_I2C_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
-
-// read or write bytes
-#define ADXL345_I2C_READ 0xA7
-#define ADXL345_I2C_WRITE 0xA6
-#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
-
-/////////////when ALT ADDRESS pin is high:
-//#define ADXL345_I2C_READ 0x3B
-//#define ADXL345_I2C_WRITE 0x3A
-//#define ADXL345_I2C_ADDRESS 0x1D
-
-#define ADXL345_X 0x00
-#define ADXL345_Y 0x01
-#define ADXL345_Z 0x02
-
-
-
-// modes
-#define MeasurementMode 0x08
-
-
-
-
-
-
-
-class ADXL345_I2C {
-
-public:
-
- /**
- * Constructor.
- *
- * @param mosi mbed pin to use for SDA line of I2C interface.
- * @param sck mbed pin to use for SCL line of I2C interface.
- */
- ADXL345_I2C(PinName sda, PinName scl);
-
- /**
- * 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);
-
- /**
- * Read the device ID register on the device.
- *
- * @return The device ID code [0xE5]
- */
- char getDeviceID(void);
-
-
-
- /**
- * Set the power mode.
- *
- * @param mode 0 -> Normal operation.
- * 1 -> Reduced power operation.
- */
-int setPowerMode(char mode);
-
- /**
- * Set the power control settings.
- *
- * See datasheet for details.
- *
- * @param The control byte to write to the POWER_CTL register.
- */
- int setPowerControl(char settings);
- /**
- * Get the power control settings.
- *
- * See datasheet for details.
- *
- * @return The contents of the POWER_CTL register.
- */
- char getPowerControl(void);
-
-
- /**
- * Get the data format settings.
- *
- * @return The contents of the DATA_FORMAT register.
- */
-
- char getDataFormatControl(void);
-
- /**
- * Set the data format settings.
- *
- * @param settings The control byte to write to the DATA_FORMAT register.
- */
- int setDataFormatControl(char settings);
-
- /**
- * Set the data rate.
- *
- * @param rate The rate code (see #defines or datasheet).
- */
- int setDataRate(char rate);
-
-
- /**
- * 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.
- */
-
- char getOffset(char 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.
- */
- int setOffset(char axis, char offset);
-
-
-
- /**
- * Get the FIFO control settings.
- *
- * @return The contents of the FIFO_CTL register.
- */
- char getFifoControl(void);
-
- /**
- * Set the FIFO control settings.
- *
- * @param The control byte to write to the FIFO_CTL register.
- */
- int setFifoControl(char settings);
-
- /**
- * Get FIFO status.
- *
- * @return The contents of the FIFO_STATUS register.
- */
- char getFifoStatus(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.
- */
- char getTapThreshold(void);
-
- /**
- * Set the tap threshold.
- *
- * @param The tap threshold as an 8-bit number with a scale factor of
- * 62.5mg/LSB.
- */
- int setTapThreshold(char threshold);
-
- /**
- * 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.
- */
- float 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.
- */
- int setTapDuration(short 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.
- */
- int setTapLatency(short 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.
- */
- int setWindowTime(short 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.
- */
- char 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.
- */
- int setActivityThreshold(char 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.
- */
- char 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.
- */
- int setInactivityThreshold(char 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.
- */
- char 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.
- */
- int setTimeInactivity(char 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.
- */
- char 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.
- */
- int setActivityInactivityControl(char 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.
- */
- char 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.
- */
- int setFreefallThreshold(char 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.
- */
- char 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.
- */
- int setFreefallTime(short 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.
- */
- char 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.
- */
- int setTapAxisControl(char settings);
-
- /**
- * Get the source of a tap.
- *
- * @return The contents of the ACT_TAP_STATUS register.
- */
- char getTapSource(void);
-
- /**
- * Get the interrupt enable settings.
- *
- * @return The contents of the INT_ENABLE register.
- */
-
- char getInterruptEnableControl(void);
-
- /**
- * Set the interrupt enable settings.
- *
- * @param settings The control byte to write to the INT_ENABLE register.
- */
- int setInterruptEnableControl(char settings);
-
- /**
- * Get the interrupt mapping settings.
- *
- * @return The contents of the INT_MAP register.
- */
- char getInterruptMappingControl(void);
-
- /**
- * Set the interrupt mapping settings.
- *
- * @param settings The control byte to write to the INT_MAP register.
- */
- int setInterruptMappingControl(char settings);
-
- /**
- * Get the interrupt source.
- *
- * @return The contents of the INT_SOURCE register.
- */
- char getInterruptSource(void);
-
-
-private:
-
- I2C i2c_;
-
-
- /**
- * Read one byte from a register on the device.
- *
- * @param: - the address to be read from
- *
- * @return: the value of the data read
- */
- char SingleByteRead(char address);
-
- /**
- * Write one byte to a register on the device.
- *
- * @param:
- - address of the register to write to.
- - the value of the data to store
- */
-
-
- int SingleByteWrite(char address, char data);
-
- /**
- * Read several consecutive bytes on the device and store them in a given location.
- *
- * @param startAddress: The address of the first register to read from.
- * @param ptr_output: a pointer to the location to store the data being read
- * @param size: The number of bytes to read.
- */
- void multiByteRead(char startAddress, char* ptr_output, int size);
-
- /**
- * Write several consecutive bytes on the device.
- *
- * @param startAddress: The address of the first register to write to.
- * @param ptr_data: Pointer to a location which contains the data to write.
- * @param size: The number of bytes to write.
- */
- int multiByteWrite(char startAddress, char* ptr_data, int size);
-
-};
-
-#endif /* ADXL345_I2C_H */