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java.lang.Object lejos.nxt.I2CSensor
public class I2CSensor
A sensor wrapper to allow easy access to I2C sensors, like the ultrasonic sensor. This version of this class supports remote execution of I2C.
Field Summary | |
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protected int |
address
|
protected static int |
DEFAULT_I2C_ADDRESS
|
protected byte |
port
|
protected static byte |
REG_PRODUCT_ID
Register number of sensor product ID, as defined by standard Lego I2C register layout. |
protected static byte |
REG_VENDOR_ID
Register number of sensor vendor ID, as defined by standard Lego I2C register layout. |
protected static byte |
REG_VERSION
Register number of sensor version string, as defined by standard Lego I2C register layout. |
Fields inherited from interface lejos.nxt.SensorConstants |
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BLACK, BLANK_INDEX, BLUE, BLUE_INDEX, GREEN, GREEN_INDEX, MAX_AD_RAW, MAX_TYPE, MIN_TYPE, MODE_ANGLESTEP, MODE_BOOLEAN, MODE_CELSIUS, MODE_FARENHEIT, MODE_PCTFULLSCALE, MODE_PERIODCOUNTER, MODE_RAW, MODE_TRANSITIONCNT, RED, RED_INDEX, TYPE_ANGLE, TYPE_COLORBLUE, TYPE_COLORFULL, TYPE_COLORGREEN, TYPE_COLORNONE, TYPE_COLORRED, TYPE_CUSTOM, TYPE_HISPEED, TYPE_LIGHT_ACTIVE, TYPE_LIGHT_INACTIVE, TYPE_LOWSPEED, TYPE_LOWSPEED_9V, TYPE_NO_SENSOR, TYPE_REFLECTION, TYPE_SOUND_DB, TYPE_SOUND_DBA, TYPE_SWITCH, TYPE_TEMPERATURE, WHITE, YELLOW |
Constructor Summary | |
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I2CSensor(I2CPort port)
|
|
I2CSensor(I2CPort port,
int mode)
|
|
I2CSensor(I2CPort port,
int address,
int mode,
int type)
|
Method Summary | |
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protected java.lang.String |
fetchString(byte reg,
int len)
Read a string from the device. |
int |
getAddress()
Return the the I2C address of the sensor. |
int |
getData(int register)
Helper method to return a single register byte. |
int |
getData(int register,
byte[] buf,
int length)
|
int |
getData(int register,
byte[] buf,
int offset,
int length)
Method for retrieving data values from the sensor. |
int |
getId()
|
java.lang.String |
getProductID()
Read the sensor's product identifier. |
java.lang.String |
getVendorID()
Read the sensor's vendor identifier. |
java.lang.String |
getVersion()
Read the sensor's version string. |
int |
sendData(int register,
byte value)
Sets a single byte in the I2C sensor. |
int |
sendData(int register,
byte[] data,
int length)
|
int |
sendData(int register,
byte[] data,
int offset,
int length)
Send data top the sensor |
void |
setAddress(int addr)
Deprecated. If the device has a changeable address, then constructor of the class should have an address parameter. If not, please report a bug. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected static final byte REG_VERSION
getVersion()
,
Constant Field Valuesprotected static final byte REG_VENDOR_ID
getVendorID()
,
Constant Field Valuesprotected static final byte REG_PRODUCT_ID
getProductID()
,
Constant Field Valuesprotected static final int DEFAULT_I2C_ADDRESS
protected byte port
protected int address
Constructor Detail |
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public I2CSensor(I2CPort port)
public I2CSensor(I2CPort port, int mode)
port
- mode
- will not work on PC sidepublic I2CSensor(I2CPort port, int address, int mode, int type)
port
- address
- mode
- will not work on PC sidetype
- Method Detail |
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public int getId()
public int getData(int register, byte[] buf, int length)
public int getData(int register, byte[] buf, int offset, int length)
register
- e.g. FACTORY_SCALE_DIVISOR, BYTE0, etc....length
- Length of data to read (minimum 1, maximum 16)
public int getData(int register)
register
-
public int sendData(int register, byte value)
register
- A data register in the I2C sensor. e.g. ACTUAL_ZEROvalue
- The data value.public int sendData(int register, byte[] data, int length)
public int sendData(int register, byte[] data, int offset, int length)
register
- A data register in the I2C sensor.data
- The byte to send.length
- the number of bytespublic java.lang.String getVersion()
public java.lang.String getVendorID()
public java.lang.String getProductID()
protected java.lang.String fetchString(byte reg, int len)
reg
- len
- maximum length of the string, including the zero termination byte
public void setAddress(int addr)
addr
- 0x02 to 0xfepublic int getAddress()
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