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-rw-r--r--cyclone/hammer/xbendin2.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/cyclone/hammer/xbendin2.c b/cyclone/hammer/xbendin2.c
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+++ b/cyclone/hammer/xbendin2.c
@@ -0,0 +1,99 @@
+/* Copyright (c) 2002-2003 krzYszcz and others.
+ * For information on usage and redistribution, and for a DISCLAIMER OF ALL
+ * WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
+
+#include "m_pd.h"
+
+/* LATER find a better way to synchronize with xbendin,
+ while avoiding the c74's bug... */
+
+typedef struct _xbendin2
+{
+ t_object x_ob;
+ int x_omni;
+ unsigned char x_ready;
+ unsigned char x_status;
+ unsigned char x_channel;
+ unsigned char x_lsb;
+ t_outlet *x_lsbout;
+ t_outlet *x_chanout;
+} t_xbendin2;
+
+static t_class *xbendin2_class;
+
+static void xbendin2_clear(t_xbendin2 *x)
+{
+ x->x_status = 0;
+ x->x_ready = 0;
+}
+
+static void xbendin2_float(t_xbendin2 *x, t_float f)
+{
+ int ival = (int)f; /* CHECKME */
+ if (ival < 0)
+ {
+ /* CHECKME */
+ return;
+ }
+ if (ival < 256) /* CHECKME */
+ {
+ unsigned char bval = ival;
+ if (bval & 0x80)
+ {
+ unsigned char status = bval & 0xF0;
+ if (status == 0xF0)
+ {
+ /* CHECKME */
+ if (bval < 0xF8)
+ xbendin2_clear(x);
+ }
+ else if (status == 0xE0)
+ {
+ unsigned char channel = bval & 0x0F;
+ if (x->x_omni)
+ x->x_channel = channel;
+ x->x_status = (x->x_channel == channel);
+ x->x_ready = 0;
+ }
+ else xbendin2_clear(x);
+ }
+ else if (x->x_ready)
+ {
+ if (x->x_omni)
+ outlet_float(x->x_chanout, x->x_channel + 1);
+ outlet_float(x->x_lsbout, x->x_lsb);
+ outlet_float(((t_object *)x)->ob_outlet, bval);
+ x->x_ready = 0;
+ }
+ else if (x->x_status)
+ {
+ x->x_lsb = bval;
+ x->x_ready = 1;
+ }
+ }
+ else xbendin2_clear(x);
+}
+
+static void *xbendin2_new(t_floatarg f)
+{
+ int channel = (int)f; /* CHECKME */
+ t_xbendin2 *x = (t_xbendin2 *)pd_new(xbendin2_class);
+ outlet_new((t_object *)x, &s_float);
+ x->x_lsbout = outlet_new((t_object *)x, &s_float);
+ if (x->x_omni = (channel == 0)) /* CHECKME */
+ x->x_chanout = outlet_new((t_object *)x, &s_float);
+ else
+ x->x_channel = (unsigned char)--channel; /* CHECKME */
+ xbendin2_clear(x);
+ return (x);
+}
+
+void xbendin2_setup(void)
+{
+ xbendin2_class = class_new(gensym("xbendin2"),
+ (t_newmethod)xbendin2_new, 0,
+ sizeof(t_xbendin2), 0,
+ A_DEFFLOAT, 0);
+ class_addfloat(xbendin2_class, xbendin2_float);
+ /* CHECKME autocasting lists to floats */
+}