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Diffstat (limited to 'demos/modules/gaudin/gwinosc.h')
| -rw-r--r-- | demos/modules/gaudin/gwinosc.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/demos/modules/gaudin/gwinosc.h b/demos/modules/gaudin/gwinosc.h deleted file mode 100644 index 0efb403c..00000000 --- a/demos/modules/gaudin/gwinosc.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright (c) 2012, 2013, Joel Bodenmann aka Tectu <joel@unormal.org> - * Copyright (c) 2012, 2013, Andrew Hannam aka inmarket - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of the <organization> nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _GWINOSC_H -#define _GWINOSC_H - -/** - * --------------------------- Our Custom GWIN Oscilloscope --------------- - * - * This GWIN superset implements a simple audio oscilloscope using the GAUDIN device. - * - * It makes many assumptions. - * - * The GMISC module with GMISC_NEED_ARRAYOPS could be used to process the samples more - * correctly if we were really building something generic. - */ - -/* The extent of scaling for our audio data - fixed scale at the moment */ -#ifndef SCOPE_Y_BITS - #define SCOPE_Y_BITS 8 // 8 bits = 0..255 -#endif - -/* Trigger methods */ -#define TRIGGER_NONE 0 /* No triggering */ -#define TRIGGER_POSITIVERAMP 1 /* Trigger on a positive going signal */ -#define TRIGGER_MINVALUE 2 /* Trigger on reaching the minimum value from the last scope */ - -/** - * Which trigger we want to use. - * Experiments suggests that TRIGGER_MINVALUE gives the best result - */ -#ifndef TRIGGER_METHOD - #define TRIGGER_METHOD TRIGGER_MINVALUE -#endif - -/* A scope window object. Treat it as a black box */ -typedef struct GScopeObject_t { - GWindowObject g; // Base Class - - coord_t *lastscopetrace; // To store last scope trace - gfxSem bsem; // We get signalled on this - audin_sample_t *audiobuf; // To store audio samples - GEventAudioIn myEvent; // Information on received samples - coord_t nextx; // Where we are up to -#if TRIGGER_METHOD == TRIGGER_POSITIVERAMP - coord_t lasty; // The last y value - used for trigger slope detection -#elif TRIGGER_METHOD == TRIGGER_MINVALUE - coord_t lasty; // The last y value - used for trigger slope detection - coord_t scopemin; // The last scopes minimum value -#endif - } GScopeObject; - -#ifdef __cplusplus -extern "C" { -#endif - - /** - * Create a scope window. - */ - GHandle gwinGScopeCreate(GDisplay *g, GScopeObject *gs, GWindowInit *pInit, uint16_t channel, uint32_t frequency); - #define gwinScopeCreate(gs,pI,ch,f) gwinGScopeCreate(GDISP,gs,pI,ch,f) - - /** - * Wait for a scope trace to be ready and then draw it. - */ - void gwinScopeWaitForTrace(GHandle gh); - -#ifdef __cplusplus -} -#endif - -#endif /* _GWINOSC_H */ |