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/* siggen.h
* header file for the Ncurses based signal generator
* Jim Jackson <jj@franjam.org.uk> Copyright 1997-2008
*/
#include "config.h"
#define VERSTR "%s Ver. %s Ncurses based Digital Signal Generator"
extern int vflg,dflg,vikeys;
extern char *sys;
extern char dac[]; /* name of output device */
extern int resolution; /* 1 = 1Hz resolution, 10 = 0.1HZ,
* 100=0.01 */
extern int DAC;
extern unsigned int samplerate; /* Samples/sec */
extern unsigned int stereo; /* stereo mono */
extern unsigned int afmt; /* format for DSP */
extern int Bufspersec; /* Number of Buffers per sec */
extern int Nfragbufs; /* number of driver buffers */
extern int fragsize; /* size of driver buffer fragments */
extern int fragsamplesize; /* size of fragments in samples */
extern int LWn; /* no. of specified loadable waveforms */
extern char **LWaa; /* array of specifed loadable waveforms */
/* channel 1 - or mono..... */
extern char wf[32]; /* waveform type */
extern unsigned int freq; /* signal frequency */
extern int ratio; /* used in pulse, sweep etc */
extern int Gain; /* Amplification factor */
/* channel 2 when in stereo mode ..... */
extern char wf2[32]; /* waveform type */
extern unsigned int freq2; /* signal frequency */
extern int ratio2; /* used in pulse, sweep etc */
extern int Gain2; /* Amplification factor */
extern int phase; /* phase diff with chan1 */
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