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added devices message to enumerate available devices

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info message outputs realtime status

svn path=/trunk/externals/iem/comport/; revision=6028
This commit is contained in:
Martin Peach 2006-09-26 04:12:11 +00:00
parent 766a32ebce
commit a746afaa35
1 changed files with 56 additions and 40 deletions
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96
comport/comport.c
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@ -12,6 +12,7 @@ MP 20060621 Do all the above for Windows too.
MP 20060709 All status goes out the status outlet when an info message is received MP 20060709 All status goes out the status outlet when an info message is received
MP 20060824 added clock_delay call in comport_devicename MP 20060824 added clock_delay call in comport_devicename
MP 20060924 added comport_enum to list available ports in Windows MP 20060924 added comport_enum to list available ports in Windows
MP 20060925 add devices message to enumerate actual devices, info just outputs current port state
*/ */
#include "m_pd.h" #include "m_pd.h"
@ -194,12 +195,11 @@ static int set_rts(t_comport *x, int nr);
static int set_xonxoff(t_comport *x, int nr); static int set_xonxoff(t_comport *x, int nr);
static int set_serial(t_comport *x); static int set_serial(t_comport *x);
static int write_serial(t_comport *x, unsigned char serial_byte); static int write_serial(t_comport *x, unsigned char serial_byte);
int comport_get_dsr(t_comport *x); static int comport_get_dsr(t_comport *x);
int comport_get_cts(t_comport *x); static int comport_get_cts(t_comport *x);
#ifdef _WIN32 #ifdef _WIN32
static HANDLE open_serial(unsigned int com_num, t_comport *x); static HANDLE open_serial(unsigned int com_num, t_comport *x);
static HANDLE close_serial(t_comport *x); static HANDLE close_serial(t_comport *x);
static void comport_enum(void);
#else #else
static int open_serial(unsigned int com_num, t_comport *x); static int open_serial(unsigned int com_num, t_comport *x);
static int close_serial(t_comport *x); static int close_serial(t_comport *x);
@ -231,7 +231,9 @@ static void comport_output_stop_bits(t_comport *x);
static void comport_output_data_bits(t_comport *x); static void comport_output_data_bits(t_comport *x);
static void comport_output_rtscts(t_comport *x); static void comport_output_rtscts(t_comport *x);
static void comport_output_xonxoff(t_comport *x); static void comport_output_xonxoff(t_comport *x);
static void comport_enum(t_comport *x);
static void comport_info(t_comport *x); static void comport_info(t_comport *x);
static void comport_devices(t_comport *x);
static void comport_verbose(t_comport *x, t_floatarg f); static void comport_verbose(t_comport *x, t_floatarg f);
static void comport_help(t_comport *x); static void comport_help(t_comport *x);
void comport_setup(void); void comport_setup(void);
@ -537,7 +539,7 @@ static int write_serial(t_comport *x, unsigned char serial_byte)
return 1; return 1;
} }
int comport_get_dsr(t_comport *x) static int comport_get_dsr(t_comport *x)
{ {
short dsr_state = 0; short dsr_state = 0;
if(x->comhandle != INVALID_HANDLE_VALUE) if(x->comhandle != INVALID_HANDLE_VALUE)
@ -847,10 +849,10 @@ static int write_serial(t_comport *x, unsigned char serial_byte)
*/ */
} }
int comport_get_dsr(t_comport *x) static int comport_get_dsr(t_comport *x)
{ {
short dsr_state = 0; short dsr_state = 0;
if (x->comhandle != INVALID_HANDLE_VALUE) if (x->comhandle != INVALID_HANDLE_VALUE)
{ {
int status;/*dsr outlet*/ int status;/*dsr outlet*/
@ -864,7 +866,7 @@ int comport_get_dsr(t_comport *x)
int comport_get_cts(t_comport *x) int comport_get_cts(t_comport *x)
{ {
short cts_state = 0; short cts_state = 0;
if (x->comhandle != INVALID_HANDLE_VALUE) if (x->comhandle != INVALID_HANDLE_VALUE)
{ {
int status;/*cts outlet*/ int status;/*cts outlet*/
@ -1239,9 +1241,9 @@ static void comport_print(t_comport *x, t_symbol *s, int argc, t_atom *argv)
} }
} }
#ifdef _WIN32 static void comport_enum(t_comport *x)
static void comport_enum(void)
{ {
#ifdef _WIN32
HANDLE fd; HANDLE fd;
char device_name[10]; char device_name[10];
unsigned int i; unsigned int i;
@ -1265,39 +1267,47 @@ static void comport_enum(void)
if (dw == 0)post("\t%d - COM%d (free)", i, i); if (dw == 0)post("\t%d - COM%d (free)", i, i);
else if (dw == ERROR_ACCESS_DENIED)post("\t%d - COM%d (in use)", i, i); else if (dw == ERROR_ACCESS_DENIED)post("\t%d - COM%d (in use)", i, i);
} }
#else
unsigned int i;
glob_t glob_buffer;
int fd;
struct termios test;
/* first look for registered devices in the filesystem */
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;
# ifdef GLOB_ABORTED
case GLOB_ABORTED:
error("[comport] aborted \"%s\"",x->serial_device_name);
break;
# endif /* GLOB_ABORTED */
# ifdef GLOB_NOMATCH
case GLOB_NOMATCH:
error("[comport] no serial devices found for \"%s\"",x->serial_device_name);
break;
# endif /* GLOB_NOMATCH */
}
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)
{
/* now see if it has attributes */
if ((tcgetattr(fd, &test)) != -1)
post("\t%d\t%s", i, glob_buffer.gl_pathv[i]);// this one really exists
close (fd);
}
}
#endif /* _WIN32 */
} }
#endif // WIN32
static void comport_output_print(t_comport *x) static void comport_output_print(t_comport *x)
{ {
unsigned int i; post("[comport]: available serial ports:");
comport_enum(x);
post("[comport]: available serial ports:");
#ifdef _WIN32
comport_enum();
#else
glob_t glob_buffer;
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;
# ifdef GLOB_ABORTED
case GLOB_ABORTED:
error("[comport] aborted \"%s\"",x->serial_device_name);
break;
# endif /* GLOB_ABORTED */
# ifdef GLOB_NOMATCH
case GLOB_NOMATCH:
error("[comport] no serial devices found for \"%s\"",x->serial_device_name);
break;
# endif /* GLOB_NOMATCH */
}
for(i=0; i<glob_buffer.gl_pathc; i++)
{
post("\t%d\t%s", i, glob_buffer.gl_pathv[i]);
}
#endif /* _WIN32 */
} }
@ -1354,6 +1364,11 @@ static void comport_output_xonxoff(t_comport *x)
comport_output_status(x, gensym("xonxoff"), x->xonxoff); comport_output_status(x, gensym("xonxoff"), x->xonxoff);
} }
static void comport_devices(t_comport *x)
{
comport_output_print(x);
}
static void comport_info(t_comport *x) static void comport_info(t_comport *x)
{ {
comport_output_port_status(x); comport_output_port_status(x);
@ -1365,7 +1380,6 @@ static void comport_info(t_comport *x)
comport_output_data_bits(x); comport_output_data_bits(x);
comport_output_rtscts(x); comport_output_rtscts(x);
comport_output_xonxoff(x); comport_output_xonxoff(x);
comport_output_print(x);
} }
/* ---------------- HELPER ------------------------- */ /* ---------------- HELPER ------------------------- */
@ -1394,11 +1408,12 @@ static void comport_help(t_comport *x)
" rts <0|1> ... set rts off|on\n" " rts <0|1> ... set rts off|on\n"
" close ... close device\n" " close ... close device\n"
" open <num> ... open device number num\n" " open <num> ... open device number num\n"
" devicename <d> ... set device name to s (eg. /dev/ttyS8)\n" " devicename <d> ... set device name to d (eg. /dev/ttyS8)\n"
" print <list> ... print list of atoms on serial\n" " print <list> ... print list of atoms on serial\n"
" pollintervall <t> ... set poll interval to t ticks\n" " pollintervall <t> ... set poll interval to t ticks\n"
" verbose <level> ... for debug set verbosity to level\n" " verbose <level> ... for debug set verbosity to level\n"
" info ... output info on status outlet\n" " info ... output info on status outlet\n"
" devices ... post list of available devices\n"
" help ... post this help"); " help ... post this help");
} }
@ -1431,6 +1446,7 @@ void comport_setup(void)
class_addmethod(comport_class, (t_method)comport_verbose, gensym("verbose"), A_FLOAT, 0); class_addmethod(comport_class, (t_method)comport_verbose, gensym("verbose"), A_FLOAT, 0);
class_addmethod(comport_class, (t_method)comport_help, gensym("help"), 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_info, gensym("info"), 0);
class_addmethod(comport_class, (t_method)comport_devices, gensym("devices"), 0);
#ifndef _WIN32 #ifndef _WIN32
null_tv.tv_sec = 0; /* no wait */ null_tv.tv_sec = 0; /* no wait */