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Dont fail if no serial device, but dont open.

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svn path=/trunk/externals/iem/comport/; revision=2758
This commit is contained in:
Winfried Ritsch 2005-04-13 15:52:43 +00:00
parent 00ec6a88ca
commit c4ca15f444
1 changed files with 14 additions and 15 deletions
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17
comport/comport.c
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@ -752,29 +752,31 @@ static void *comport_new(t_floatarg comnr, t_floatarg fbaud) {
test.baud = fbaud; test.baud = fbaud;
fd = open_serial(com_nr,&test); fd = open_serial(com_nr,&test);
if(fd == INVALID_HANDLE_VALUE ){
/* postings in open routine */
return 0;
}
/* Now nothing really bad could happen so we create the class */ /* Now nothing really bad could happen so we create the class */
x = (t_comport *)pd_new(comport_class); x = (t_comport *)pd_new(comport_class);
if(fd == INVALID_HANDLE_VALUE ){
/* postings in open routine */
x->comport = com_nr;
x->baud = test.baud;
x->comhandle = fd; /* holds the comport handle */
}
else {
x->comport = com_nr; x->comport = com_nr;
x->baud = test.baud; x->baud = test.baud;
x->comhandle = fd; /* holds the comport handle */ x->comhandle = fd; /* holds the comport handle */
#ifdef NT #ifdef NT
memcpy(&(test.dcb_old),&(x->dcb_old),sizeof(DCB)); // save the old com config memcpy(&(test.dcb_old),&(x->dcb_old),sizeof(DCB)); // save the old com config
memcpy(&(test.dcb),&(x->dcb),sizeof(DCB)); // for the new com config memcpy(&(test.dcb),&(x->dcb),sizeof(DCB)); // for the new com config
#else #else
/* save the old com and new com config */ /* save the old com and new com config */
bcopy(&(test.oldcom_termio),&(x->oldcom_termio),sizeof(struct termios)); bcopy(&(test.oldcom_termio),&(x->oldcom_termio),sizeof(struct termios));
bcopy(&(test.com_termio),&(x->com_termio),sizeof(struct termios)); bcopy(&(test.com_termio),&(x->com_termio),sizeof(struct termios));
#endif #endif
}
x->rxerrors = 0; /* holds the rx line errors */ x->rxerrors = 0; /* holds the rx line errors */
@ -944,12 +946,9 @@ void comport_setup(void)
/* /*
class_addbang(comport_class, comport_bang class_addbang(comport_class, comport_bang
*/ */
class_addmethod(comport_class, (t_method)comport_baud, gensym("baud"), class_addmethod(comport_class, (t_method)comport_baud, gensym("baud"),
A_FLOAT, 0); A_FLOAT, 0);
class_addmethod(comport_class, (t_method)comport_bits, gensym("bits"), class_addmethod(comport_class, (t_method)comport_bits, gensym("bits"),
A_FLOAT, 0); A_FLOAT, 0);
class_addmethod(comport_class, (t_method)comport_stopbit, gensym("stopbit"), class_addmethod(comport_class, (t_method)comport_stopbit, gensym("stopbit"),