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/* (C) Guenter Geiger <geiger@epy.co.at> */
#include <m_pd.h>
static t_class *serial_ms_class;
typedef struct _serial_ms
{
t_object x_obj;
char x_c[4];
t_int x_count;
t_int x_posx;
t_int x_posy;
t_outlet *x_out2;
} t_serial_ms;
static void serial_ms_reset( t_serial_ms* x)
{
x->x_posx=0;
x->x_posy=0;
x->x_count = 0;
outlet_float(x->x_obj.ob_outlet, x->x_posx);
outlet_float(x->x_out2, x->x_posy);
}
static void serial_ms_init( t_serial_ms* x)
{
t_atom cmd[8];
SETFLOAT(cmd,0.);
SETSYMBOL(cmd+1,gensym("CLOCAL"));
SETSYMBOL(cmd+2,gensym("CREAD"));
SETSYMBOL(cmd+3,gensym("CS7"));
/* SETSYMBOL(cmd+4,gensym("HUPCL")); */
outlet_anything(x->x_out2,gensym("setcontrol"),4,cmd);
SETFLOAT(cmd,0.);
SETSYMBOL(cmd+1,gensym("IGNBRK"));
SETSYMBOL(cmd+2,gensym("IGNPAR"));
outlet_anything(x->x_out2,gensym("setinput"),3,cmd);
SETFLOAT(cmd,0.);
SETFLOAT(cmd+1,1.);
outlet_anything(x->x_out2,gensym("vtime"),2,cmd);
SETFLOAT(cmd,1200.);
outlet_anything(x->x_out2,gensym("speed"),1,cmd);
SETSYMBOL(cmd,gensym("*n"));
outlet_anything(x->x_out2,gensym("send"),1,cmd);
SETSYMBOL(cmd,gensym("N"));
outlet_anything(x->x_out2,gensym("send"),1,cmd);
}
static void serial_ms_float( t_serial_ms* x,t_floatarg f)
{
int dx,dy;
t_atom at[2];
x->x_c[x->x_count] = (char) f;
x->x_count = (++x->x_count)%3;
if (x->x_count==2) {
dx= (signed char)(((x->x_c[0] & 0x03) << 6) |
(x->x_c[1] & 0x3F));
dy= (signed char)(((x->x_c[0] & 0x0C) << 4) |
(x->x_c[2] & 0x3F));
x->x_posx += dx;
x->x_posy += dy;
/* post("posx %d, posy %d",x->x_posx,x->x_posy);*/
SETFLOAT(at,x->x_posx);
SETFLOAT(at+1,x->x_posy);
outlet_list(x->x_obj.ob_outlet,&s_list, 2, at);
}
}
static void *serial_ms_new(t_symbol *s)
{
t_serial_ms *x = (t_serial_ms *)pd_new(serial_ms_class);
x->x_count = 0;
x->x_posx = 0;
x->x_posy = 0;
outlet_new(&x->x_obj, &s_float);
x->x_out2 = outlet_new(&x->x_obj, &s_float);
return x;
}
void serial_ms_setup(void)
{
serial_ms_class = class_new(gensym("serial_ms"), (t_newmethod)serial_ms_new,
NULL,
sizeof(t_serial_ms), 0,A_DEFSYM,0);
class_addfloat(serial_ms_class,serial_ms_float);
class_addmethod(serial_ms_class,(t_method) serial_ms_reset,gensym("reset"),0);
class_addmethod(serial_ms_class, (t_method)serial_ms_init, gensym("init"),0);
}
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