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allow to filter only USB devices when querying ports or devices, for mac and linux

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This commit is contained in:
Antoine Rousseau 2024-10-08 13:24:34 +02:00
parent 8b170f3d35
commit 14915d317c
1 changed files with 37 additions and 15 deletions
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52
comport.c
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@ -332,10 +332,10 @@ static void comport_output_rtscts(t_comport *x);
static void comport_output_xonxoff(t_comport *x);
static void comport_output_hupcl(t_comport *x);
static void comport_output_rxerrors(t_comport *x);
static void comport_enum(t_comport *x, t_bool to_console);
static void comport_enum(t_comport *x, t_bool to_console, int argc, t_atom *argv);
static void comport_info(t_comport *x);
static void comport_devices(t_comport *x);
static void comport_ports(t_comport *x);
static void comport_devices(t_comport *x, t_symbol *s, int argc, t_atom *argv);
static void comport_ports(t_comport *x, t_symbol *s, int argc, t_atom *argv);
static void comport_set_verbose(t_comport *x, t_floatarg f);
static void comport_help(t_comport *x);
void comport_setup(void);
@ -352,7 +352,6 @@ specify a COM port number greater than 9, use the following syntax:
"\\\\.\\COM10". This syntax works for all port numbers and hardware that
allows COM port numbers to be specified. */
static const char SERIAL_DEVICE_PREFIX[] = "\\\\.\\COM";
//static const char USB_DEVICE_PREFIX[] = "\\\\.\\COM";
/* for UNIX, this is a glob pattern for matching devices */
#elif defined __APPLE__
static const char SERIAL_DEVICE_PREFIX[] = "/dev/tty.*";
@ -1700,10 +1699,20 @@ static void comport_print(t_comport *x, t_symbol *s, int argc, t_atom *argv)
}
}
static void comport_enum(t_comport *x, t_bool to_console)
static void comport_enum(t_comport *x, t_bool to_console, int argc, t_atom *argv)
{
unsigned int i;
t_atom output_atom[2];
t_bool filter_usb = 0;
int count;
t_symbol *sym_usb = gensym("usb");
for(count = 0; count < argc; count++)
{
if (argv[count].a_type == A_SYMBOL && (atom_getsymbol(&argv[count]) == sym_usb))
filter_usb = 1;
}
#ifdef _WIN32
HANDLE fd;
char device_name[10];
@ -1764,17 +1773,30 @@ static void comport_enum(t_comport *x, t_bool to_console)
}
for(i=0; i<glob_buffer.gl_pathc; i++)
{
/* now try to open the device */
if((fd = open(glob_buffer.gl_pathv[i], OPENPARAMS)) != INVALID_HANDLE_VALUE)
const char *device_name = glob_buffer.gl_pathv[i];
/* test the device against the filter */
if(filter_usb)
{
#ifdef __APPLE__
if(strncmp(device_name, "/dev/tty.usb", 12)) continue;
#elif defined __linux__
if( strncmp(device_name, "/dev/ttyACM", 11)
&&
strncmp(device_name, "/dev/ttyUSB", 11)
) continue;
#endif /* TODO: IRIX */
}
/* now try to open the device */
if((fd = open(device_name, OPENPARAMS)) != INVALID_HANDLE_VALUE)
{
/* now see if it has attributes */
if ((tcgetattr(fd, &test)) != -1) {
if(to_console)
{
post("\t%d\t%s", i, glob_buffer.gl_pathv[i]);// this one really exists
post("\t%d\t%s", i, device_name);// this one really exists
} else {
SETFLOAT(&output_atom[0], i);
SETSYMBOL(&output_atom[1], gensym(glob_buffer.gl_pathv[i]));
SETSYMBOL(&output_atom[1], gensym(device_name));
outlet_anything( x->x_status_outlet, gensym("ports"), 2, output_atom);
}
}
@ -1784,9 +1806,9 @@ static void comport_enum(t_comport *x, t_bool to_console)
#endif /* _WIN32 */
}
static void comport_ports(t_comport *x)
static void comport_ports(t_comport *x, t_symbol *s, int argc, t_atom *argv)
{
comport_enum(x, 0);
comport_enum(x, 0, argc, argv);
}
static void comport_output_status(t_comport *x, t_symbol *selector, t_float output_value)
@ -1864,10 +1886,10 @@ static void comport_output_open_status(t_comport *x)
comport_output_status(x, gensym("open"), 1);
}
static void comport_devices(t_comport *x)
static void comport_devices(t_comport *x, t_symbol *s, int argc, t_atom *argv)
{
post("[comport]: available serial ports:");
comport_enum(x, 1);
comport_enum(x, 1, argc, argv);
}
static void comport_info(t_comport *x)
@ -1963,8 +1985,8 @@ void comport_setup(void)
class_addmethod(comport_class, (t_method)comport_set_inprocess, gensym("inputprocess"), A_FLOAT, 0);
class_addmethod(comport_class, (t_method)comport_help, gensym("help"), 0);
class_addmethod(comport_class, (t_method)comport_info, gensym("info"), 0);
class_addmethod(comport_class, (t_method)comport_devices, gensym("devices"), 0);
class_addmethod(comport_class, (t_method)comport_ports, gensym("ports"), 0);
class_addmethod(comport_class, (t_method)comport_devices, gensym("devices"), A_GIMME, 0);
class_addmethod(comport_class, (t_method)comport_ports, gensym("ports"), A_GIMME, 0);
#ifndef _WIN32
null_tv.tv_sec = 0; /* no wait */