Matthias
373a8c32b2
git-svn-id: file:///srv/dev-disk-by-uuid-17e88007-4d0c-45e0-8757-cacfcc458630/repositories/svn/Diplomarbeit@55 9fe90eed-be63-e94b-8204-d34ff4c2ff93
104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/* ---------------------------------------------------------------------------
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* dac.h - v0.1 (c) 2007 Micro-key bv
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* ---------------------------------------------------------------------------
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* Micro-key bv
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* Industrieweg 28, 9804 TG Noordhorn
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* Postbus 92, 9800 AB Zuidhorn
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* The Netherlands
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* Tel: +31 594 503020
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* Fax: +31 594 505825
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* Email: support@microkey.nl
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* Web: www.microkey.nl
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* ---------------------------------------------------------------------------
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* Description: Digital to analog signal interface.
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* ---------------------------------------------------------------------------
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* Version(s): 0.1, 10-09-2007, Marcel Mulder.
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* Creation.
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* ---------------------------------------------------------------------------
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*/
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#ifndef __DAC_H__
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#define __DAC_H__
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/** \file dac.h
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\brief Digital to analog signal interface.
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*/
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/* ---------------------------------------------------------------------------
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* System include files.
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* ---------------------------------------------------------------------------
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*/
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#include "lpc23xx.h"
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#include "types.h"
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/* ---------------------------------------------------------------------------
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* Application include files.
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* ---------------------------------------------------------------------------
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*/
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/* ---------------------------------------------------------------------------
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* Constant and macro definitions.
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* ---------------------------------------------------------------------------
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*/
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/** Maximum number of real analog channels*/
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// \MARK NEW PINSETTINGS FOR TESTER (2)
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#if (PINSET_TESTER == 2)
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#define maxDAC_Channels 6
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#else
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#define maxDAC_Channels 4
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#endif
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#define maxDAC_VOLTAGE (10000)
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#define maxDAC_CURRENT (20000)
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/* ---------------------------------------------------------------------------
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* Type definitions.
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* ---------------------------------------------------------------------------
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*/
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typedef enum
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{
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dacVOLTAGE, /**< Voltage mode 0 to 10V */
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dacCURRENT /**< Current mode 0 to 20mA */
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} t_dac_mode;
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/* ---------------------------------------------------------------------------
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* Variable declarations.
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* ---------------------------------------------------------------------------
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*/
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/* ---------------------------------------------------------------------------
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* Function declarations.
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* ---------------------------------------------------------------------------
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*/
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/** \brief Initialize DAC.*/
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void dacInit (void);
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void dac_MuxEn (BOOLEAN mode);
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BOOLEAN dac_MuxRB (void);
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/** \brief Select input mode (Voltage or Current) of a certain channel. */
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void dacMode(
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UINT8 channel, /**< 0..3 = valid, 8..255 = future use */
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t_dac_mode mode
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);
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/** \brief Write analog value in mV or uA depending on dacMode */
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void dacWrite(
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UINT8 device, /**< 0 = Self, 1..32 = Remote device */
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UINT8 channel, /**< 0..3 = valid, 8..255 = future use */
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UINT16 value /**< VOLTAGE: 0..10000[mV], CURRENT: 0..20000[uA] */
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);
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/** \brief Read analog value in mV or uA depending on dacMode
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\retval value VOLTAGE: 0..10000[mV], CURRENT: 0..20000[uA] */
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UINT16 dacReadBack (
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UINT8 device, /**< 0 = Self, 1..32 = Remote device */
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UINT8 channel /**< 0..3 = valid, 8..255 = future use */
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);
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void WriteDacCommand( UINT16 spiCommand, UINT8 dacNr );
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void dacModeAll (t_dac_mode mode);
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#endif /* __DAC_H__ */
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