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public interface I2CPort
Abstraction for a port that supports I2C sensors.
Field Summary | |
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static int |
ALWAYS_ACTIVE
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static int |
LEGO_MODE
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static int |
STANDARD_MODE
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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 |
Method Summary | |
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int |
i2cBusy()
Check to see if the device is busy |
int |
i2cComplete(byte[] buffer,
int numBytes)
Complete the i2c transaction, and read any returned data. |
void |
i2cDisable()
Disable the device. |
void |
i2cEnable(int mode)
Enable the low level device |
int |
i2cStart(int address,
int internalAddress,
int numInternalBytes,
byte[] buffer,
int numBytes,
int transferType)
Start an i2c transaction. |
Methods inherited from interface lejos.nxt.BasicSensorPort |
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getMode, getType, setMode, setType, setTypeAndMode |
Field Detail |
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static final int STANDARD_MODE
static final int LEGO_MODE
static final int ALWAYS_ACTIVE
Method Detail |
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void i2cEnable(int mode)
mode
- One or more of the mode bits above.void i2cDisable()
int i2cBusy()
int i2cStart(int address, int internalAddress, int numInternalBytes, byte[] buffer, int numBytes, int transferType)
address
- The i2C address (note this is a 7 bit address)internalAddress
- The internal register addressnumInternalBytes
- The number of bytes in the internal addressbuffer
- The data to write to the device (null for reads)numBytes
- The number of bytes to transfertransferType
- 0 == read 1 == write
int i2cComplete(byte[] buffer, int numBytes)
buffer
- The buffer for a read (null for write)numBytes
- Number of bytes to transfer
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