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made [devicename( message open the port by devicename directly; commented out code for 2nd inlet for status because it was causing segfaults :-/

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svn path=/trunk/externals/iem/comport/; revision=5107
This commit is contained in:
Hans-Christoph Steiner 2006-05-22 13:55:14 +00:00
parent df122aae6a
commit 8b90624de8
1 changed files with 74 additions and 61 deletions
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127
comport/comport.c
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@ -62,6 +62,8 @@ typedef struct comport
int verbose;
t_outlet *x_data_outlet;
t_outlet *x_status_outlet;
} t_comport;
#ifndef TRUE
@ -406,6 +408,8 @@ static HANDLE open_serial(unsigned int com_num, t_comport *x)
return INVALID_HANDLE_VALUE;
};
// this causes a segfault... WHY?!?
// outlet_float(x->x_status_outlet, (t_float)com_num);
return fd;
}
@ -414,17 +418,21 @@ static HANDLE close_serial(t_comport *x)
{
if(x->comhandle != INVALID_HANDLE_VALUE){
if (!SetCommState(x->comhandle, &(x->dcb_old)) )
if (!SetCommState(x->comhandle, &(x->dcb_old)) )
{
post("** ERROR ** could not reset params to DCB of device %s\n",
x->serial_device->s_name);
post("[comport] ** ERROR ** could not reset params to DCB of device %s\n",
x->serial_device->s_name);
}
if (!SetCommTimeouts(x->comhandle, &(x->old_timeouts))){
post("Couldnt reset old_timeouts for serial device");
};
CloseHandle(x->comhandle);
if (!SetCommTimeouts(x->comhandle, &(x->old_timeouts))){
post("[comport] Couldnt reset old_timeouts for serial device");
};
CloseHandle(x->comhandle);
// for some reason, this causes a segfault...
// post("[comport] closed %s",x->serial_device->s_name);
}
// this causes a segfault... WHY?!?
// outlet_float(x->x_status_outlet, 0);
return INVALID_HANDLE_VALUE;
}
@ -557,43 +565,47 @@ static int open_serial(unsigned int com_num, t_comport *x)
float *baud = &(x->baud);
glob_t glob_buffer;
if(com_num >= COMPORT_MAX) {
post("[comport] ** WARNING ** port %d not valid, must be between 0 and %d",
com_num, COMPORT_MAX - 1);
return INVALID_HANDLE_VALUE;
}
/* if com_num == 9999, use device name directly, else try port # */
if(com_num != 9999)
{
if(com_num >= COMPORT_MAX)
{
post("[comport] ** WARNING ** port %d not valid, must be between 0 and %d",
com_num, COMPORT_MAX - 1);
return INVALID_HANDLE_VALUE;
}
// post("[comport] globbing %s",x->serial_device_name);
/* get the device path based on the com# and the glob pattern */
switch( glob( x->serial_device_name, 0, NULL, &glob_buffer ) )
{
case GLOB_NOSPACE:
error("[comport] out of memory for \"%s\"",x->serial_device_name);
/* get the device path based on the port# and the glob pattern */
switch( glob( x->serial_device_name, 0, NULL, &glob_buffer ) )
{
case GLOB_NOSPACE:
error("[comport] out of memory for \"%s\"",x->serial_device_name);
break;
case GLOB_ABORTED:
error("[comport] aborted \"%s\"",x->serial_device_name);
case GLOB_ABORTED:
error("[comport] aborted \"%s\"",x->serial_device_name);
break;
case GLOB_NOMATCH:
error("[comport] no serial devices found for \"%s\"",x->serial_device_name);
break;
case GLOB_NOMATCH:
error("[comport] no serial devices found for \"%s\"",x->serial_device_name);
break;
}
if(com_num < glob_buffer.gl_pathc)
{
x->serial_device = gensym(glob_buffer.gl_pathv[com_num]);
}
else
{
post("[comport] ** WARNING ** port #%d does not exist! (max == %d)",
com_num,glob_buffer.gl_pathc - 1);
return INVALID_HANDLE_VALUE;
}
globfree( &(glob_buffer) );
}
if(com_num < glob_buffer.gl_pathc)
if((fd = open(x->serial_device->s_name, OPENPARAMS)) == INVALID_HANDLE_VALUE)
{
x->serial_device = gensym(glob_buffer.gl_pathv[com_num]);
}
else
{
post("[comport] ** WARNING ** port #%d does not exist! (max == %d)",
com_num,glob_buffer.gl_pathc - 1);
error("[comport] ** ERROR ** could not open device %s:\n failure(%d): %s\n",
x->serial_device->s_name,errno,strerror(errno));
return INVALID_HANDLE_VALUE;
}
globfree( &(glob_buffer) );
if((fd = open(x->serial_device->s_name, OPENPARAMS)) == INVALID_HANDLE_VALUE)
{
error("[comport] ** ERROR ** could not open device %s:\n failure(%d): %s\n",
x->serial_device->s_name,errno,strerror(errno));
return INVALID_HANDLE_VALUE;
}
/* set no wait on any operation */
fcntl(fd, F_SETFL, FNDELAY);
@ -640,6 +652,8 @@ static int open_serial(unsigned int com_num, t_comport *x)
{
post("[comport] opened serial line device %d (%s)\n",
com_num,x->serial_device->s_name);
// this causes a segfault... WHY?!?
// outlet_float(x->x_status_outlet, (t_float)com_num);
}
else
{
@ -655,14 +669,18 @@ static int open_serial(unsigned int com_num, t_comport *x)
static int close_serial(t_comport *x)
{
struct termios *tios = &(x->com_termio);
HANDLE fd = x->comhandle;
struct termios *tios = &(x->com_termio);
HANDLE fd = x->comhandle;
if(fd != INVALID_HANDLE_VALUE){
tcsetattr(fd, TCSANOW, tios);
close(fd);
}
return INVALID_HANDLE_VALUE;
if(fd != INVALID_HANDLE_VALUE){
tcsetattr(fd, TCSANOW, tios);
close(fd);
// for some reason, this causes a segfault...
// post("[comport] closed %s",x->serial_device->s_name);
// this causes a segfault... WHY?!?
// outlet_float(x->x_status_outlet, 0);
}
return INVALID_HANDLE_VALUE;
}
@ -724,7 +742,7 @@ static void comport_tick(t_comport *x)
{
for(dwX=0;dwX<dwRead;dwX++)
{
outlet_float(x->x_obj.ob_outlet, (t_float) serial_byte[dwX]);
outlet_float(x->x_data_outlet, (t_float) serial_byte[dwX]);
}
}
}
@ -746,7 +764,7 @@ static void comport_tick(t_comport *x)
err = read(fd,(char *) &serial_byte,1);
/* while( (err = read(fd,(char *) &serial_byte,1)) > 0){ */
outlet_float(x->x_obj.ob_outlet, (t_float) serial_byte);
outlet_float(x->x_data_outlet, (t_float) serial_byte);
};
}
@ -823,7 +841,9 @@ static void *comport_new(t_floatarg com_num, t_floatarg fbaud)
x->rxerrors = 0; /* holds the rx line errors */
outlet_new(&x->x_obj, &s_float);
x->x_data_outlet = (t_outlet *)outlet_new(&x->x_obj, &s_float);
// for some unknown reason, outputting on this outlet causes segfaults...
// x->x_status_outlet = (t_outlet *)outlet_new(&x->x_obj, &s_float);
x->x_hit = 0;
x->x_deltime = 1;
@ -946,7 +966,6 @@ static void comport_open(t_comport *x, t_floatarg f)
if(x->comhandle != INVALID_HANDLE_VALUE)
comport_close(x);
x->comhandle = open_serial(f,x);
clock_delay(x->x_clock, x->x_deltime);
@ -959,14 +978,8 @@ static void comport_open(t_comport *x, t_floatarg f)
static void comport_devicename(t_comport *x, t_symbol *s)
{
if(x->comport >= 0 && x->comport < COMPORT_MAX){
x->serial_device->s_name = s->s_name;
if(x->verbose > 0)
post("[comport] %d: set devicename %s",x->comport,x->serial_device->s_name);
}
else if(x->verbose > 0)
post("[comport] %d: could not set devicename %s",x->comport,s->s_name);
x->serial_device = s;
x->comhandle = open_serial(9999,x);
}
static void comport_print(t_comport *x, t_symbol *s, int argc, t_atom *argv)
@ -1051,7 +1064,7 @@ void comport_setup(void)
null_tv.tv_usec = 0;
#endif /* NOT _WIN32 */
post("comport - PD external for unix/windows\n"
"LGPL 1998-2005, Winfried Ritsch and others (see LICENCE.txt)\n"
"LGPL 1998-2006, Winfried Ritsch and others (see LICENCE.txt)\n"
"Institute for Electronic Music - Graz");
}