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/*
* @(#)$Id: proscope.h,v 2.0 2008/12/17 17:35:46 baccala Exp $
*
* Copyright (C) 1997 - 2000 Tim Witham <twitham@quiknet.com>
*
* (see the files README and COPYING for more details)
*
* This file defines ProbeScope serial bits and function prototypes.
*
*/
/* convenience/readability macro */
#define BIT_MASK(bitnum) (1 << (bitnum))
/* Radio Shack ProbeScope serial data protocol bit definitions */
#define PS_WAIT BIT_MASK(0) /* WAITING! for trigger? */
#define PS_10V BIT_MASK(2) /* voltage switch */
#define PS_100V BIT_MASK(3)
#define PS_AC BIT_MASK(4) /* coupling switch */
#define PS_DC BIT_MASK(5)
#define PS_SINGLE BIT_MASK(0) /* trigger mode */
#define PS_MEXT BIT_MASK(3) /* trigger type Plus/Minus Ext/Int */
#define PS_PEXT BIT_MASK(4)
#define PS_MINT BIT_MASK(5) /* (documentation was off-by-one here) */
#define PS_PINT BIT_MASK(6)
#define PS_TP5 BIT_MASK(2) /* Trigger Plus/Minus 0.n */
#define PS_TP3 BIT_MASK(3)
#define PS_TP1 BIT_MASK(4)
#define PS_TM1 BIT_MASK(5)
#define PS_TM3 BIT_MASK(6)
#define PS_OVERFLOW BIT_MASK(0)
#define PS_UNDERFLOW BIT_MASK(1)
#define PS_MINUS BIT_MASK(3)
#ifdef PSDEBUG
#undef PSDEBUG
#define PSDEBUG(format, arg) printf(format, arg)
#else
#define PSDEBUG(format, arg) ;
#endif
typedef struct ProbeScope { /* The state of the ProbeScope */
short probed;
short found;
short wait;
short volts;
char *coupling;
unsigned char trigger;
short level;
short dvm;
unsigned char flags;
} ProbeScope;
extern ProbeScope ps;
extern int init_serial_probescope(void);
extern int init_serial_bitscope(void);
extern void flush_serial(int fd);
extern void cleanup_serial(int fd);
extern int getonebyte(int fd);
extern int idprobescope(int fd);
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