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java.lang.Object lejos.nxt.I2CSensor
public class I2CSensor
Abstract class that implements common methods for all I2C sensors. Extend this class to implement new I2C sensors.
Field Summary |
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Fields inherited from interface lejos.nxt.SensorConstants |
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MODE_ANGLESTEP, MODE_BOOLEAN, MODE_CELSIUS, MODE_FARENHEIT, MODE_PCTFULLSCALE, MODE_PERIODCOUNTER, MODE_RAW, MODE_TRANSITIONCNT, TYPE_ANGLE, TYPE_CUSTOM, 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 |
Constructor Summary | |
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I2CSensor(I2CPort port)
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I2CSensor(I2CPort port,
int mode)
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Method Summary | |
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protected String |
fetchString(int register)
Internal helper function, read a string from the device |
int |
getData(int register,
byte[] buf,
int len)
Executes an I2C read transaction and waits for the result. |
I2CPort |
getPort()
Get the port that the sensor is attached to |
String |
getProductID()
Return the sensor product identifier. |
String |
getSensorType()
Return the sensor type. |
String |
getVersion()
Return the sensor version number. |
int |
sendData(int register,
byte value)
Executes an I2C write transaction. |
int |
sendData(int register,
byte[] buf,
int len)
Executes an I2C write transaction. |
void |
setAddress(int addr)
Set the address of the port Note that addresses are from 0x01 to 0x7F not even numbers from 0x02 to 0xFE as given in some I2C device specifications. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public I2CSensor(I2CPort port, int mode)
public I2CSensor(I2CPort port)
Method Detail |
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public int getData(int register, byte[] buf, int len)
register
- I2C register, e.g 0x41buf
- Buffer to return datalen
- Length of the return data
public int sendData(int register, byte[] buf, int len)
register
- I2C register, e.g 0x42buf
- Buffer containing data to sendlen
- Length of data to send
public int sendData(int register, byte value)
register
- I2C register, e.g 0x42value
- single byte to send
public String getVersion()
public String getProductID()
public String getSensorType()
protected String fetchString(int register)
register
-
public void setAddress(int addr)
addr
- 1 to 0x7Fpublic I2CPort getPort()
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