Ad7794Eval (LSST CCS - Analog Devices Driver 1.4.0 API)

java.lang.Object
- org.lsst.ccs.drivers.ad.Cypress
- - org.lsst.ccs.drivers.ad.SpiBus
  - - org.lsst.ccs.drivers.ad.Ad7794Eval

```
public class Ad7794Eval
extends SpiBus
```
Routines to access an Analog Devices AD7794 evaluation board

Author:

Owen Saxton

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`CAL_INT_FULL` Public constants
`static int`	`CAL_INT_ZERO` Public constants
`static int`	`CAL_SYS_FULL` Public constants
`static int`	`CAL_SYS_ZERO` Public constants
`static int`	`CFG_BOOST` Public constants
`static int`	`CFG_BUFFERED` Public constants
`static int`	`CFG_BURNOUT` Public constants
`static int`	`CFG_CHANNEL_M` Public constants
`static int`	`CFG_CHANNEL_V` Public constants
`static int`	`CFG_GAIN_M` Public constants
`static int`	`CFG_GAIN_V` Public constants
`static int`	`CFG_REF_DETECT` Public constants
`static int`	`CFG_REFSEL_M` Public constants
`static int`	`CFG_REFSEL_V` Public constants
`static int`	`CFG_STANDARD` Public constants
`static int`	`CFG_UNIPOLAR` Public constants
`static int`	`CFG_VBIAS_M` Public constants
`static int`	`CFG_VBIAS_V` Public constants
`static int`	`CHAN_AIN1` Public constants
`static int`	`CHAN_AIN1A` Public constants
`static int`	`CHAN_AIN2` Public constants
`static int`	`CHAN_AIN3` Public constants
`static int`	`CHAN_AIN4` Public constants
`static int`	`CHAN_AIN5` Public constants
`static int`	`CHAN_AIN6` Public constants
`static int`	`CHAN_TEMP` Public constants
`static int`	`CHAN_VDD` Public constants
`static int`	`CLOCK_EXT` Public constants
`static int`	`CLOCK_EXT_HALF` Public constants
`static int`	`CLOCK_INT` Public constants
`static int`	`CLOCK_INT_AVL` Public constants
`static int`	`COM_ADDRESS_M` Public constants
`static int`	`COM_ADDRESS_V` Public constants
`static int`	`COM_CONT_READ` Public constants
`static int`	`COM_READ` Public constants
`static int`	`CONFIG_REG` Public constants
`static int`	`DATA_REG` Public constants
`static int`	`DIO_ENABLE` Public constants
`static int`	`DIO_P1DATA` Public constants
`static int`	`DIO_P2DATA` Public constants
`static int`	`FRS_RATE_10` Public constants
`static int`	`FRS_RATE_12` Public constants
`static int`	`FRS_RATE_123` Public constants
`static int`	`FRS_RATE_16` Public constants
`static int`	`FRS_RATE_17` Public constants
`static int`	`FRS_RATE_19` Public constants
`static int`	`FRS_RATE_242` Public constants
`static int`	`FRS_RATE_33` Public constants
`static int`	`FRS_RATE_39` Public constants
`static int`	`FRS_RATE_4` Public constants
`static int`	`FRS_RATE_470` Public constants
`static int`	`FRS_RATE_50` Public constants
`static int`	`FRS_RATE_6` Public constants
`static int`	`FRS_RATE_62` Public constants
`static int`	`FRS_RATE_8` Public constants
`static int`	`GAIN_1` Public constants
`static int`	`GAIN_128` Public constants
`static int`	`GAIN_16` Public constants
`static int`	`GAIN_2` Public constants
`static int`	`GAIN_32` Public constants
`static int`	`GAIN_4` Public constants
`static int`	`GAIN_64` Public constants
`static int`	`GAIN_8` Public constants
`static float`	`HALF_RANGE`
`static int`	`ID_REG` Public constants
`static int`	`IEXCDIR_11` Public constants
`static int`	`IEXCDIR_12` Public constants
`static int`	`IEXCDIR_21` Public constants
`static int`	`IEXCDIR_22` Public constants
`static int`	`IEXCENA_10` Public constants
`static int`	`IEXCENA_1000` Public constants
`static int`	`IEXCENA_210` Public constants
`static int`	`IEXCENA_OFF` Public constants
`static float`	`INT_TEMP_SCALE`
`static float`	`INT_VOLT_SCALE`
`static int`	`IO_DIOENA` Public constants
`static int`	`IO_IEXCDIR_M` Public constants
`static int`	`IO_IEXCDIR_V` Public constants
`static int`	`IO_IEXCENA_M` Public constants
`static int`	`IO_IEXCENA_V` Public constants
`static int`	`IO_IO1DAT` Public constants
`static int`	`IO_IO2DAT` Public constants
`static int`	`IO_REG` Public constants
`static int`	`IO_STANDARD` Public constants
`static int`	`MOD_AMP_CM` Public constants
`static int`	`MOD_CHOP_DIS` Public constants
`static int`	`MOD_CLOCK_M` Public constants
`static int`	`MOD_CLOCK_V` Public constants
`static int`	`MOD_FRS_M` Public constants
`static int`	`MOD_FRS_V` Public constants
`static int`	`MOD_MODE_M` Public constants
`static int`	`MOD_MODE_V` Public constants
`static int`	`MOD_PSW` Public constants
`static int`	`MOD_STANDARD` Public constants
`static int`	`MODE_CONT` Public constants
`static int`	`MODE_IDLE` Public constants
`static int`	`MODE_INT_F_CAL` Public constants
`static int`	`MODE_INT_Z_CAL` Public constants
`static int`	`MODE_PWR_DOWN` Public constants
`static int`	`MODE_REG` Public constants
`static int`	`MODE_SINGLE` Public constants
`static int`	`MODE_SYS_F_CAL` Public constants
`static int`	`MODE_SYS_Z_CAL` Public constants
`static int`	`OFFSET_REG` Public constants
`static int`	`OPTN_CONFIG` Public constants
`static int`	`OPTN_IMMED` Public constants
`static int`	`OPTN_SINGLE` Public constants
`static int`	`RANGE_1250` Public constants
`static int`	`RANGE_156` Public constants
`static int`	`RANGE_19` Public constants
`static int`	`RANGE_2500` Public constants
`static int`	`RANGE_312` Public constants
`static int`	`RANGE_39` Public constants
`static int`	`RANGE_625` Public constants
`static int`	`RANGE_78` Public constants
`static float`	`REF_VOLTAGE`
`static int`	`REFSEL_EXT1` Public constants
`static int`	`REFSEL_EXT2` Public constants
`static int`	`REFSEL_INT` Public constants
`static int`	`SCALE_REG` Public constants
`static int`	`STATUS_REG` Public constants
`static int`	`STS_AD7794` Public constants
`static int`	`STS_CHANNEL_M` Public constants
`static int`	`STS_CHANNEL_V` Public constants
`static int`	`STS_ERROR` Public constants
`static int`	`STS_NOXREF` Public constants
`static int`	`STS_READY` Public constants
`static int`	`VBIAS_AIN1` Public constants
`static int`	`VBIAS_AIN2` Public constants
`static int`	`VBIAS_AIN3` Public constants
`static int`	`VBIAS_OFF` Public constants

Constructor Summary

Constructors
Constructor and Description

Ad7794Eval()

Constructors
Constructor and Description
`Ad7794Eval()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`int`	`calibrate(int chan, int type)` Calibrates an ADC channel
`void`	`cleanupThermistor()` Cleans up after reading the thermistor
`int`	`commReg(int regnum, boolean read)` Generates communications register value
`void`	`connect(int index)`
`int[]`	`getCalibration(int chan)` Gets the calibration data for an ADC channel.
`int`	`getChannel()` Gets the channel number
`int`	`getClockSource()` Gets the clock source
`int`	`getConvMode()` Gets the conversion mode
`int`	`getConvRate()` Gets the conversion rate
`int`	`getDio()` Gets the DIO values
`int`	`getGain()` Gets the ADC gain
`int`	`getRefSelect()` Gets the reference selection
`int[]`	`getRegSizes()` Gets the array of register sizes
`int`	`getSourceDirection()` Gets the current source direction
`int`	`getSourceEnable()` Gets the current source enable value
`int`	`getStatus()` Gets the board status
`boolean`	`isBuffered()` Gets the buffered mode
`boolean`	`isPowerSwitch()` Gets the power switch state
`boolean`	`isRefDetect()` Gets the reference detect mode
`boolean`	`isUnipolar()` Gets the unipolar mode
`int`	`readAdc(int chan, int optns)` Reads an ADC channel
`int`	`readRegister(int regnum)` Reads a register.
`float`	`readTemperature(int optns)` Reads the internal temperature sensor
`float`	`readThermistor(int optns)` Reads the on-board thermistor
`float`	`readVdd(int optns)` Reads the internal voltage monitor
`void`	`setBuffered(boolean enable)` Sets the buffered mode
`void`	`setChannel(int chan)` Sets the channel number
`void`	`setClockSource(int source)` Sets the clock source
`void`	`setConvMode(int mode)` Sets the conversion mode
`void`	`setConvRate(int rate)` Sets the conversion rate
`void`	`setDebug(boolean on)` Sets the debug state.
`void`	`setDio(int value)` Sets the DIO values
`void`	`setGain(int gain)` Sets the ADC gain
`void`	`setPowerSwitch(boolean on)` Sets the power switch state
`void`	`setRefDetect(boolean enable)` Sets the reference detect mode
`void`	`setRefSelect(int mode)` Sets the reference selection
`void`	`setSourceDirection(int dirn)` Sets the current source direction
`void`	`setSourceEnable(int enab)` Sets the current source enable value
`void`	`setUnipolar(boolean enable)` Sets the unipolar mode
`void`	`setupStandard()` Performs standard board setup
`void`	`setupThermistor()` Sets up for reading the thermistor
`void`	`updateRegister(int regnum, int mask, int value)` Updates a register
`void`	`writeRegister(int regnum, int value)` Writes a register

Methods inherited from class org.lsst.ccs.drivers.ad.SpiBus
getRdyTimeout, load, readRegister, setRdyTimeout, updateRegister, writeRegister

Methods inherited from class org.lsst.ccs.drivers.ad.Cypress
load, readMemory, readMemory, setReset, setUsbDevice, writeMemory, writeMemory

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - STATUS_REG
```
public static final int STATUS_REG
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - MODE_REG
```
public static final int MODE_REG
```
    Public constants
    
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    Constant Field Values
  - CONFIG_REG
```
public static final int CONFIG_REG
```
    Public constants
    
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    Constant Field Values
  - DATA_REG
```
public static final int DATA_REG
```
    Public constants
    
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    Constant Field Values
  - ID_REG
```
public static final int ID_REG
```
    Public constants
    
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    Constant Field Values
  - IO_REG
```
public static final int IO_REG
```
    Public constants
    
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    Constant Field Values
  - OFFSET_REG
```
public static final int OFFSET_REG
```
    Public constants
    
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    Constant Field Values
  - SCALE_REG
```
public static final int SCALE_REG
```
    Public constants
    
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    Constant Field Values
  - COM_READ
```
public static final int COM_READ
```
    Public constants
    
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    Constant Field Values
  - COM_ADDRESS_M
```
public static final int COM_ADDRESS_M
```
    Public constants
    
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    Constant Field Values
  - COM_ADDRESS_V
```
public static final int COM_ADDRESS_V
```
    Public constants
    
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    Constant Field Values
  - COM_CONT_READ
```
public static final int COM_CONT_READ
```
    Public constants
    
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    Constant Field Values
  - STS_READY
```
public static final int STS_READY
```
    Public constants
    
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    Constant Field Values
  - STS_ERROR
```
public static final int STS_ERROR
```
    Public constants
    
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    Constant Field Values
  - STS_NOXREF
```
public static final int STS_NOXREF
```
    Public constants
    
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    Constant Field Values
  - STS_AD7794
```
public static final int STS_AD7794
```
    Public constants
    
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    Constant Field Values
  - STS_CHANNEL_M
```
public static final int STS_CHANNEL_M
```
    Public constants
    
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    Constant Field Values
  - STS_CHANNEL_V
```
public static final int STS_CHANNEL_V
```
    Public constants
    
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    Constant Field Values
  - MOD_MODE_M
```
public static final int MOD_MODE_M
```
    Public constants
    
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    Constant Field Values
  - MOD_MODE_V
```
public static final int MOD_MODE_V
```
    Public constants
    
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    Constant Field Values
  - MODE_CONT
```
public static final int MODE_CONT
```
    Public constants
    
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    Constant Field Values
  - MODE_SINGLE
```
public static final int MODE_SINGLE
```
    Public constants
    
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    Constant Field Values
  - MODE_IDLE
```
public static final int MODE_IDLE
```
    Public constants
    
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    Constant Field Values
  - MODE_PWR_DOWN
```
public static final int MODE_PWR_DOWN
```
    Public constants
    
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    Constant Field Values
  - MODE_INT_Z_CAL
```
public static final int MODE_INT_Z_CAL
```
    Public constants
    
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    Constant Field Values
  - MODE_INT_F_CAL
```
public static final int MODE_INT_F_CAL
```
    Public constants
    
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    Constant Field Values
  - MODE_SYS_Z_CAL
```
public static final int MODE_SYS_Z_CAL
```
    Public constants
    
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    Constant Field Values
  - MODE_SYS_F_CAL
```
public static final int MODE_SYS_F_CAL
```
    Public constants
    
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    Constant Field Values
  - MOD_PSW
```
public static final int MOD_PSW
```
    Public constants
    
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    Constant Field Values
  - MOD_AMP_CM
```
public static final int MOD_AMP_CM
```
    Public constants
    
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    Constant Field Values
  - MOD_CLOCK_M
```
public static final int MOD_CLOCK_M
```
    Public constants
    
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    Constant Field Values
  - MOD_CLOCK_V
```
public static final int MOD_CLOCK_V
```
    Public constants
    
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    Constant Field Values
  - CLOCK_INT
```
public static final int CLOCK_INT
```
    Public constants
    
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    Constant Field Values
  - CLOCK_INT_AVL
```
public static final int CLOCK_INT_AVL
```
    Public constants
    
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    Constant Field Values
  - CLOCK_EXT
```
public static final int CLOCK_EXT
```
    Public constants
    
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    Constant Field Values
  - CLOCK_EXT_HALF
```
public static final int CLOCK_EXT_HALF
```
    Public constants
    
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    Constant Field Values
  - MOD_CHOP_DIS
```
public static final int MOD_CHOP_DIS
```
    Public constants
    
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    Constant Field Values
  - MOD_FRS_M
```
public static final int MOD_FRS_M
```
    Public constants
    
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    Constant Field Values
  - MOD_FRS_V
```
public static final int MOD_FRS_V
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_470
```
public static final int FRS_RATE_470
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_242
```
public static final int FRS_RATE_242
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_123
```
public static final int FRS_RATE_123
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_62
```
public static final int FRS_RATE_62
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_50
```
public static final int FRS_RATE_50
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_39
```
public static final int FRS_RATE_39
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_33
```
public static final int FRS_RATE_33
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_19
```
public static final int FRS_RATE_19
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_17
```
public static final int FRS_RATE_17
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_16
```
public static final int FRS_RATE_16
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_12
```
public static final int FRS_RATE_12
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_10
```
public static final int FRS_RATE_10
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_8
```
public static final int FRS_RATE_8
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_6
```
public static final int FRS_RATE_6
```
    Public constants
    
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    Constant Field Values
  - FRS_RATE_4
```
public static final int FRS_RATE_4
```
    Public constants
    
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    Constant Field Values
  - MOD_STANDARD
```
public static final int MOD_STANDARD
```
    Public constants
    
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    Constant Field Values
  - CFG_VBIAS_M
```
public static final int CFG_VBIAS_M
```
    Public constants
    
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    Constant Field Values
  - CFG_VBIAS_V
```
public static final int CFG_VBIAS_V
```
    Public constants
    
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    Constant Field Values
  - VBIAS_OFF
```
public static final int VBIAS_OFF
```
    Public constants
    
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    Constant Field Values
  - VBIAS_AIN1
```
public static final int VBIAS_AIN1
```
    Public constants
    
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    Constant Field Values
  - VBIAS_AIN2
```
public static final int VBIAS_AIN2
```
    Public constants
    
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    Constant Field Values
  - VBIAS_AIN3
```
public static final int VBIAS_AIN3
```
    Public constants
    
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    Constant Field Values
  - CFG_BURNOUT
```
public static final int CFG_BURNOUT
```
    Public constants
    
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    Constant Field Values
  - CFG_UNIPOLAR
```
public static final int CFG_UNIPOLAR
```
    Public constants
    
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    Constant Field Values
  - CFG_BOOST
```
public static final int CFG_BOOST
```
    Public constants
    
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    Constant Field Values
  - CFG_GAIN_M
```
public static final int CFG_GAIN_M
```
    Public constants
    
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    Constant Field Values
  - CFG_GAIN_V
```
public static final int CFG_GAIN_V
```
    Public constants
    
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    Constant Field Values
  - GAIN_1
```
public static final int GAIN_1
```
    Public constants
    
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    Constant Field Values
  - GAIN_2
```
public static final int GAIN_2
```
    Public constants
    
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    Constant Field Values
  - GAIN_4
```
public static final int GAIN_4
```
    Public constants
    
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    Constant Field Values
  - GAIN_8
```
public static final int GAIN_8
```
    Public constants
    
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    Constant Field Values
  - GAIN_16
```
public static final int GAIN_16
```
    Public constants
    
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    Constant Field Values
  - GAIN_32
```
public static final int GAIN_32
```
    Public constants
    
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    Constant Field Values
  - GAIN_64
```
public static final int GAIN_64
```
    Public constants
    
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    Constant Field Values
  - GAIN_128
```
public static final int GAIN_128
```
    Public constants
    
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    Constant Field Values
  - RANGE_2500
```
public static final int RANGE_2500
```
    Public constants
    
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    Constant Field Values
  - RANGE_1250
```
public static final int RANGE_1250
```
    Public constants
    
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    Constant Field Values
  - RANGE_625
```
public static final int RANGE_625
```
    Public constants
    
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    Constant Field Values
  - RANGE_312
```
public static final int RANGE_312
```
    Public constants
    
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    Constant Field Values
  - RANGE_156
```
public static final int RANGE_156
```
    Public constants
    
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    Constant Field Values
  - RANGE_78
```
public static final int RANGE_78
```
    Public constants
    
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    Constant Field Values
  - RANGE_39
```
public static final int RANGE_39
```
    Public constants
    
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    Constant Field Values
  - RANGE_19
```
public static final int RANGE_19
```
    Public constants
    
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    Constant Field Values
  - CFG_REFSEL_M
```
public static final int CFG_REFSEL_M
```
    Public constants
    
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    Constant Field Values
  - CFG_REFSEL_V
```
public static final int CFG_REFSEL_V
```
    Public constants
    
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    Constant Field Values
  - REFSEL_EXT1
```
public static final int REFSEL_EXT1
```
    Public constants
    
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    Constant Field Values
  - REFSEL_EXT2
```
public static final int REFSEL_EXT2
```
    Public constants
    
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    Constant Field Values
  - REFSEL_INT
```
public static final int REFSEL_INT
```
    Public constants
    
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    Constant Field Values
  - CFG_REF_DETECT
```
public static final int CFG_REF_DETECT
```
    Public constants
    
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    Constant Field Values
  - CFG_BUFFERED
```
public static final int CFG_BUFFERED
```
    Public constants
    
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    Constant Field Values
  - CFG_CHANNEL_M
```
public static final int CFG_CHANNEL_M
```
    Public constants
    
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    Constant Field Values
  - CFG_CHANNEL_V
```
public static final int CFG_CHANNEL_V
```
    Public constants
    
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    Constant Field Values
  - CHAN_AIN1
```
public static final int CHAN_AIN1
```
    Public constants
    
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    Constant Field Values
  - CHAN_AIN2
```
public static final int CHAN_AIN2
```
    Public constants
    
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    Constant Field Values
  - CHAN_AIN3
```
public static final int CHAN_AIN3
```
    Public constants
    
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    Constant Field Values
  - CHAN_AIN4
```
public static final int CHAN_AIN4
```
    Public constants
    
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    Constant Field Values
  - CHAN_AIN5
```
public static final int CHAN_AIN5
```
    Public constants
    
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    Constant Field Values
  - CHAN_AIN6
```
public static final int CHAN_AIN6
```
    Public constants
    
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    Constant Field Values
  - CHAN_TEMP
```
public static final int CHAN_TEMP
```
    Public constants
    
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    Constant Field Values
  - CHAN_VDD
```
public static final int CHAN_VDD
```
    Public constants
    
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    Constant Field Values
  - CHAN_AIN1A
```
public static final int CHAN_AIN1A
```
    Public constants
    
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    Constant Field Values
  - CFG_STANDARD
```
public static final int CFG_STANDARD
```
    Public constants
    
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    Constant Field Values
  - IO_DIOENA
```
public static final int IO_DIOENA
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IO_IO2DAT
```
public static final int IO_IO2DAT
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IO_IO1DAT
```
public static final int IO_IO1DAT
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IO_IEXCDIR_M
```
public static final int IO_IEXCDIR_M
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IO_IEXCDIR_V
```
public static final int IO_IEXCDIR_V
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IEXCDIR_12
```
public static final int IEXCDIR_12
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IEXCDIR_21
```
public static final int IEXCDIR_21
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IEXCDIR_11
```
public static final int IEXCDIR_11
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IEXCDIR_22
```
public static final int IEXCDIR_22
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IO_IEXCENA_M
```
public static final int IO_IEXCENA_M
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IO_IEXCENA_V
```
public static final int IO_IEXCENA_V
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IEXCENA_OFF
```
public static final int IEXCENA_OFF
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IEXCENA_10
```
public static final int IEXCENA_10
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IEXCENA_210
```
public static final int IEXCENA_210
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IEXCENA_1000
```
public static final int IEXCENA_1000
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - IO_STANDARD
```
public static final int IO_STANDARD
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - OPTN_CONFIG
```
public static final int OPTN_CONFIG
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - OPTN_SINGLE
```
public static final int OPTN_SINGLE
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - OPTN_IMMED
```
public static final int OPTN_IMMED
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - DIO_ENABLE
```
public static final int DIO_ENABLE
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - DIO_P1DATA
```
public static final int DIO_P1DATA
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - DIO_P2DATA
```
public static final int DIO_P2DATA
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - CAL_INT_ZERO
```
public static final int CAL_INT_ZERO
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - CAL_INT_FULL
```
public static final int CAL_INT_FULL
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - CAL_SYS_ZERO
```
public static final int CAL_SYS_ZERO
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - CAL_SYS_FULL
```
public static final int CAL_SYS_FULL
```
    Public constants
    
    See Also:
    
    Constant Field Values
  - HALF_RANGE
```
public static final float HALF_RANGE
```
    See Also:
    
    Constant Field Values
  - REF_VOLTAGE
```
public static final float REF_VOLTAGE
```
    See Also:
    
    Constant Field Values
  - INT_TEMP_SCALE
```
public static final float INT_TEMP_SCALE
```
    See Also:
    
    Constant Field Values
  - INT_VOLT_SCALE
```
public static final float INT_VOLT_SCALE
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - Ad7794Eval
```
public Ad7794Eval()
```
- Method Detail
  - connect
```
public void connect(int index)
             throws org.lsst.ccs.drivers.commons.DriverException
```
    Parameters:
    
    index - The index of the board in the list of all matching ones
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - commReg
```
public int commReg(int regnum,
                   boolean read)
```
    Generates communications register value
    
    Specified by:
    
    commReg in class SpiBus
    
    Parameters:
    
    regnum - The register number.
    
    read - True for a read operation, false for a write.
    
    Returns:
    
    Generated register value
  - setupStandard
```
public void setupStandard()
                   throws org.lsst.ccs.drivers.commons.DriverException
```
    Performs standard board setup
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - getRegSizes
```
public int[] getRegSizes()
```
    Gets the array of register sizes
    
    Returns:
    
    The array of register sizes
  - getStatus
```
public int getStatus()
              throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the board status
    
    Returns:
    
    The status register
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setChannel
```
public void setChannel(int chan)
                throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the channel number
    
    Parameters:
    
    chan - The channel number to set
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - getChannel
```
public int getChannel()
               throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the channel number
    
    Returns:
    
    The channel number
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setConvMode
```
public void setConvMode(int mode)
                 throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the conversion mode
    
    Parameters:
    
    mode - The mode value to set
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - getConvMode
```
public int getConvMode()
                throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the conversion mode
    
    Returns:
    
    The mode value
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setClockSource
```
public void setClockSource(int source)
                    throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the clock source
    
    Parameters:
    
    source - The source value to set
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - getClockSource
```
public int getClockSource()
                   throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the clock source
    
    Returns:
    
    The source value
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setPowerSwitch
```
public void setPowerSwitch(boolean on)
                    throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the power switch state
    
    Parameters:
    
    on - Whether or not to set power switch on
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - isPowerSwitch
```
public boolean isPowerSwitch()
                      throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the power switch state
    
    Returns:
    
    Whether or not power switch is on
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setConvRate
```
public void setConvRate(int rate)
                 throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the conversion rate
    
    Parameters:
    
    rate - The rate value to set
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - getConvRate
```
public int getConvRate()
                throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the conversion rate
    
    Returns:
    
    The conversion rate
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setUnipolar
```
public void setUnipolar(boolean enable)
                 throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the unipolar mode
    
    Parameters:
    
    enable - Whether or not to set unipolar mode
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - isUnipolar
```
public boolean isUnipolar()
                   throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the unipolar mode
    
    Returns:
    
    Whether or not unipolar mode is set
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setBuffered
```
public void setBuffered(boolean enable)
                 throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the buffered mode
    
    Parameters:
    
    enable - Whether or not to set buffered mode
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - isBuffered
```
public boolean isBuffered()
                   throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the buffered mode
    
    Returns:
    
    Whether or not buffered mode is set
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setRefDetect
```
public void setRefDetect(boolean enable)
                  throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the reference detect mode
    
    Parameters:
    
    enable - Whether or not to set reference detect mode
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - isRefDetect
```
public boolean isRefDetect()
                    throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the reference detect mode
    
    Returns:
    
    Whether or not reference detect mode is set
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setRefSelect
```
public void setRefSelect(int mode)
                  throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the reference selection
    
    Parameters:
    
    mode - The reference selection value to set
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - getRefSelect
```
public int getRefSelect()
                 throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the reference selection
    
    Returns:
    
    The reference selection value
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setGain
```
public void setGain(int gain)
             throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the ADC gain
    
    Parameters:
    
    gain - The gain value to set
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - getGain
```
public int getGain()
            throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the ADC gain
    
    Returns:
    
    The gain value
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setDio
```
public void setDio(int value)
            throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the DIO values
    
    Parameters:
    
    value - The DIO values to set, the OR of the following: DIO_ENABLE: enable digital output DIO_P1DATA: set 1 on pin P1 DIO_P2DATA: set 1 on pin P2
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - getDio
```
public int getDio()
           throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the DIO values
    
    Returns:
    
    The DIO values currently set, encoded as follows: DIO_ENABLE: digital output enabled DIO_P1DATA: 1 on pin P1 DIO_P2DATA: 1 on pin P2
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setSourceDirection
```
public void setSourceDirection(int dirn)
                        throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the current source direction
    
    Parameters:
    
    dirn - The direction value to set
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - getSourceDirection
```
public int getSourceDirection()
                       throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the current source direction
    
    Returns:
    
    The direction value
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setSourceEnable
```
public void setSourceEnable(int enab)
                     throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets the current source enable value
    
    Parameters:
    
    enab - The enable value to set
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - getSourceEnable
```
public int getSourceEnable()
                    throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the current source enable value
    
    Returns:
    
    The enable value
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - readAdc
```
public int readAdc(int chan,
                   int optns)
            throws org.lsst.ccs.drivers.commons.DriverException
```
    Reads an ADC channel
    
    Parameters:
    
    chan - The ADC channel to read (0 - 7)
    
    optns - Options word, composed of the following possible bit masks: OPTN_CONFIG: First configures the conversion mode. OPTN_SINGLE: Configures for a single conversion, otherwise continuous. OPTN_IMMED: Reads the data register immediately instead of waiting for a conversion to complete.
    
    Returns:
    
    The read value (raw counts)
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - readTemperature
```
public float readTemperature(int optns)
                      throws org.lsst.ccs.drivers.commons.DriverException
```
    Reads the internal temperature sensor
    
    Parameters:
    
    optns - Options word, composed of the following possible bit masks: OPTN_CONFIG: First configures the conversion mode. OPTN_SINGLE: Configures for a single conversion, otherwise continuous. OPTN_IMMED: Reads the data register immediately instead of waiting for a conversion to complete.
    
    Returns:
    
    The read temperature (Celsius)
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - readVdd
```
public float readVdd(int optns)
              throws org.lsst.ccs.drivers.commons.DriverException
```
    Reads the internal voltage monitor
    
    Parameters:
    
    optns - Options word, composed of the following possible bit masks: OPTN_CONFIG: First configures the conversion mode. OPTN_SINGLE: Configures for a single conversion, otherwise continuous. OPTN_IMMED: Reads the data register immediately instead of waiting for a conversion to complete.
    
    Returns:
    
    The read voltage
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - readThermistor
```
public float readThermistor(int optns)
                     throws org.lsst.ccs.drivers.commons.DriverException
```
    Reads the on-board thermistor
    
    Parameters:
    
    optns - Options word, composed of the following possible bit masks: OPTN_CONFIG: First configures the conversion mode. OPTN_SINGLE: Configures for a single conversion, otherwise continuous. OPTN_IMMED: Reads the data register immediately instead of waiting for a conversion to complete.
    
    Returns:
    
    The read temperature (Celsius)
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setupThermistor
```
public void setupThermistor()
                     throws org.lsst.ccs.drivers.commons.DriverException
```
    Sets up for reading the thermistor
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - cleanupThermistor
```
public void cleanupThermistor()
                       throws org.lsst.ccs.drivers.commons.DriverException
```
    Cleans up after reading the thermistor
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - calibrate
```
public int calibrate(int chan,
                     int type)
              throws org.lsst.ccs.drivers.commons.DriverException
```
    Calibrates an ADC channel
    
    Parameters:
    
    chan - The ADC channel to calibrate (0 - 7)
    
    type - The type of calibration to perform: CAL_INT_ZERO: internal zero-point CAL_INT_FULL: internal full-scale CAL_SYS_ZERO: system zero-point CAL_SYS_FULL: system full-scale
    
    Returns:
    
    The new calibration value (raw counts)
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - getCalibration
```
public int[] getCalibration(int chan)
                     throws org.lsst.ccs.drivers.commons.DriverException
```
    Gets the calibration data for an ADC channel.
    
    Parameters:
    
    chan - The ADC channel (0 - 7)
    
    Returns:
    
    The calibration offset and scale values (raw counts)
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - setDebug
```
public void setDebug(boolean on)
```
    Sets the debug state.
    
    Parameters:
    
    on - The debug state to set
  - readRegister
```
public int readRegister(int regnum)
                 throws org.lsst.ccs.drivers.commons.DriverException
```
    Reads a register.
    
    Parameters:
    
    regnum - The register to read
    
    Returns:
    
    The value read
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - writeRegister
```
public void writeRegister(int regnum,
                          int value)
                   throws org.lsst.ccs.drivers.commons.DriverException
```
    Writes a register
    
    Parameters:
    
    regnum - The register to write
    
    value - The value to write
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException
  - updateRegister
```
public void updateRegister(int regnum,
                           int mask,
                           int value)
                    throws org.lsst.ccs.drivers.commons.DriverException
```
    Updates a register
    
    Parameters:
    
    regnum - The register to update
    
    mask - The mask of bits to update
    
    value - The value to write, under the mask
    
    Throws:
    
    org.lsst.ccs.drivers.commons.DriverException

Class Ad7794Eval

Field Summary

Constructor Summary

Method Summary

Methods inherited from class org.lsst.ccs.drivers.ad.SpiBus

Methods inherited from class org.lsst.ccs.drivers.ad.Cypress

Methods inherited from class java.lang.Object

Field Detail

STATUS_REG

MODE_REG

CONFIG_REG

DATA_REG

ID_REG

IO_REG

OFFSET_REG

SCALE_REG

COM_READ

COM_ADDRESS_M

COM_ADDRESS_V

COM_CONT_READ

STS_READY

STS_ERROR

STS_NOXREF

STS_AD7794

STS_CHANNEL_M

STS_CHANNEL_V

MOD_MODE_M

MOD_MODE_V

MODE_CONT

MODE_SINGLE

MODE_IDLE

MODE_PWR_DOWN

MODE_INT_Z_CAL

MODE_INT_F_CAL

MODE_SYS_Z_CAL

MODE_SYS_F_CAL

MOD_PSW

MOD_AMP_CM

MOD_CLOCK_M

MOD_CLOCK_V

CLOCK_INT

CLOCK_INT_AVL

CLOCK_EXT

CLOCK_EXT_HALF

MOD_CHOP_DIS

MOD_FRS_M

MOD_FRS_V

FRS_RATE_470

FRS_RATE_242

FRS_RATE_123

FRS_RATE_62

FRS_RATE_50

FRS_RATE_39

FRS_RATE_33

FRS_RATE_19

FRS_RATE_17

FRS_RATE_16

FRS_RATE_12

FRS_RATE_10

FRS_RATE_8

FRS_RATE_6

FRS_RATE_4

MOD_STANDARD

CFG_VBIAS_M

CFG_VBIAS_V

VBIAS_OFF

VBIAS_AIN1

VBIAS_AIN2

VBIAS_AIN3

CFG_BURNOUT

CFG_UNIPOLAR

CFG_BOOST

CFG_GAIN_M

CFG_GAIN_V

GAIN_1

GAIN_2

GAIN_4

GAIN_8

GAIN_16

GAIN_32