MityDSP::tcDspDacAd420 Class Reference

Instances of this class handle access to an Analog Devices AD420 digital-to-current loop converter via the generic SPI interface for the MityDSP. More...

#include <core/DspDacAd420.h>

List of all members.

Public Member Functions
	tcDspDacAd420 (tcDspSpi *apSpi, tcDspOutputLatch *apLatch=NULL, unsigned int anLatchID=0)
	This constructor is used to open an interface to an AD420 via the provided SPI interface.
	~tcDspDacAd420 ()
	Default destructor.
bool	update (unsigned short anData)
	Updates the AD420 with the provided 16-bit data.

Protected Attributes
tcDspSpi *	mpSpi
	Access to the SPI bus.
tcDspOutputLatch *	mpLatch
	Access to latch selector.
unsigned int	mnLatchID
	ID of latch to use (if any)
unsigned short	mnLastData
	Last data written to DAC.

---

Detailed Description

Instances of this class handle access to an Analog Devices AD420 digital-to-current loop converter via the generic SPI interface for the MityDSP.

See also:

tcDspDacAd420 Page

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Constructor & Destructor Documentation

tcDspDacAd420::tcDspDacAd420	(	tcDspSpi *	apSpi,
		tcDspOutputLatch *	apLatch = NULL,
		unsigned int	anLatchID = 0
	)

This constructor is used to open an interface to an AD420 via the provided SPI interface.

Parameters:

[in]	apSpi	- Pointer to the SPI interface for the DAC8534.
[in]	apLatch	- Pointer to an output latch (default:NULL)
[in]	anLatchID	- ID of the latch to use for this device, if any

Returns:

None.

See also:

DspDacAd420.h

tcDspDacAd420::~tcDspDacAd420

(

)

Default destructor.

Returns:

None.

See also:

DspDacAd420.h

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Member Function Documentation

bool tcDspDacAd420::update

(

unsigned short

anData

)

Updates the AD420 with the provided 16-bit data.

The data is loaded to the DAC output immediately.

Parameters:

[in]

anData

- 16-bit data to load to specified DAC channel.

Returns:

None.

See also:

DspDacAd420.h

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Member Data Documentation

tcDspSpi* MityDSP::tcDspDacAd420::mpSpi

protected

Access to the SPI bus.

tcDspOutputLatch* MityDSP::tcDspDacAd420::mpLatch

protected

Access to latch selector.

unsigned int MityDSP::tcDspDacAd420::mnLatchID

protected

ID of latch to use (if any)

unsigned short MityDSP::tcDspDacAd420::mnLastData

protected

Last data written to DAC.