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-rw-r--r--comport/CHANGES.txt8
-rw-r--r--comport/LICENCE.txt360
-rw-r--r--comport/README.txt29
-rw-r--r--comport/comport.c979
-rw-r--r--comport/makefile82
-rw-r--r--comport/testcomport.pd81
6 files changed, 1539 insertions, 0 deletions
diff --git a/comport/CHANGES.txt b/comport/CHANGES.txt
new file mode 100644
index 0000000..3247476
--- /dev/null
+++ b/comport/CHANGES.txt
@@ -0,0 +1,8 @@
+1.0RC1 - (12.4.2005)
+
+ first check in pure-data.sourceforge.net
+ added print feature and USB devices from posted by Marc Boon
+
+0.9beta2 (somedate before 2004)
+
+ CHANGES.txt startet
diff --git a/comport/LICENCE.txt b/comport/LICENCE.txt
new file mode 100644
index 0000000..9ca2743
--- /dev/null
+++ b/comport/LICENCE.txt
@@ -0,0 +1,360 @@
+comport - PD External for the serial Ports
+
+Institute for Electronic Music and Acoustics
+Copyright (C) 1998-2005 Winfried Ritsch
+
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version. (see below)
+
+--------------------------- GPL.TXT -------------------------
+
+
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The licenses for most software are designed to take away your
+freedom to share and change it. By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users. This
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+Foundation's software and to any other program whose authors commit to
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+
+ When we speak of free software, we are referring to freedom, not
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+
+
+ GNU GENERAL PUBLIC LICENSE
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+ 0. This License applies to any program or other work which contains
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+ 10. If you wish to incorporate parts of the Program into other free
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+ NO WARRANTY
+
+ 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
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+POSSIBILITY OF SUCH DAMAGES.
+
+ END OF TERMS AND CONDITIONS
+
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
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+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) 19yy <name of author>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+
+Also add information on how to contact you by electronic and paper mail.
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+If the program is interactive, make it output a short notice like this
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+
+ Gnomovision version 69, Copyright (C) 19yy name of author
+ Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. Here is a sample; alter the names:
+
+ Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+ `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+ <signature of Ty Coon>, 1 April 1989
+ Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs. If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library. If this is what you want to do, use the GNU Library General
+Public License instead of this License.
+
diff --git a/comport/README.txt b/comport/README.txt
new file mode 100644
index 0000000..aff44fa
--- /dev/null
+++ b/comport/README.txt
@@ -0,0 +1,29 @@
+comport - PD external for unix/windows to use the serial ports
+
+ (c) 1998-2005 Winfried Ritsch (see LICENCE.txt)
+ Institute for Electronic Music - Graz
+
+on Windows the COM0, COM1, ... are used and
+under Unix devices /dev/ttyS0, /dev/ttyS1, ...
+and new on unix /dev/USB0, ... and can be accessed via a Index.
+
+Please see testcomport.pd for more help.
+
+USE: There should be a external comport.dll for windows, comport.pd_linux for linux and so on.
+
+just copy it to the extra folder of your pd Installation or working directory.
+Please see testcomport.pd for more help.
+
+compile:
+
+ Unix (Linux):
+ make pd_linux, make pd_irix5, make pd_irix6
+ should produce a comport.pd_linux, ....
+
+
+ Windows: use nmake or just use Fast Build under MSVC++
+ nmake pd_nt
+
+
+If you have improvements or questions feel free to contact me under
+ritsch _at_ iem.at
diff --git a/comport/comport.c b/comport/comport.c
new file mode 100644
index 0000000..0fa9369
--- /dev/null
+++ b/comport/comport.c
@@ -0,0 +1,979 @@
+/* comport - PD external for unix/windows
+
+ (c) 1998-2005 Winfried Ritsch (see LICENCE.txt)
+ Institute for Electronic Music - Graz
+
+*/
+
+#include "m_pd.h"
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#include <windows.h>
+#include <commctrl.h>
+#else
+#include <sys/time.h>
+#include <fcntl.h>
+#include <termios.h> /* for TERMIO ioctl calls */
+#include <unistd.h>
+#define HANDLE int
+#define INVALID_HANDLE_VALUE -1
+#endif
+
+#include <string.h>
+#include <errno.h>
+
+
+typedef struct comport
+{
+ t_object x_obj;
+
+ long n; /* the state of a last input */
+
+ HANDLE comhandle; /* holds the comport handle */
+
+#ifdef NT
+ DCB dcb; /* holds the comm pars */
+ DCB dcb_old; /* holds the comm pars */
+ COMMTIMEOUTS old_timeouts;
+#else
+ struct termios oldcom_termio; /* save the old com config */
+ struct termios com_termio; /* for the new com config */
+#endif
+
+ short comport; /* holds the comport # */
+ float baud; /* holds the current baud rate */
+
+ short rxerrors; /* holds the rx line errors */
+
+ t_clock *x_clock;
+ int x_hit;
+ double x_deltime;
+
+} t_comport;
+
+#ifndef TRUE
+#define TRUE 1
+#define FALSE 0
+#endif
+
+#ifndef ON
+#define ON 1
+#define OFF 0
+#endif
+
+/*
+ Serial Port Return Values
+*/
+#define NODATAAVAIL -1
+#define RXERRORS -2
+#define RXBUFOVERRUN -4
+#define TXBUFOVERRUN -5
+
+#ifdef NT
+
+#define COMPORT_MAX 8
+static char *sys_com_port[COMPORT_MAX] =
+{
+ "COM1", "COM2", "COM3", "COM4",
+ "COM5", "COM6", "COM7", "COM8"
+};
+
+static
+long baudspeedbittable[] =
+{
+ CBR_256000,
+ CBR_128000,
+ CBR_115200,
+ CBR_57600,
+ CBR_56000,
+ CBR_38400,
+ CBR_19200,
+ CBR_14400,
+ CBR_9600,
+ CBR_4800,
+ CBR_2400,
+ CBR_1200,
+ CBR_600,
+ CBR_300,
+ CBR_110
+};
+
+#else /* NT */
+
+#ifdef IRIX
+#define COMPORT_MAX 2
+static char *sys_com_port[COMPORT_MAX] =
+{
+ "/dev/ttyd1", "/dev/ttyd2"
+};
+#define OPENPARAMS (O_RDWR|O_NDELAY|O_NOCTTY)
+#define TIONREAD FIONREAD /* re map the IOCTL function */
+#define BAUDRATE_256000 -1
+#define BAUDRATE_128000 -1
+#define BAUDRATE_115200 -1
+#define BAUDRATE_57600 -1
+#define BAUDRATE_56000 -1
+#define BAUDRATE_38400 B38400
+#define BAUDRATE_14400 B19200 /* 14400 gibts nicht */
+#else /* IRIX */
+#define COMPORT_MAX 16
+static char *sys_com_port[COMPORT_MAX] =
+{
+ "/dev/ttyS0", "/dev/ttyS1", "/dev/ttyS2", "/dev/ttyS3",
+ "/dev/ttyS4", "/dev/ttyS5", "/dev/ttyS6", "/dev/ttyS7",
+ "/dev/ttyUSB0", "/dev/ttyUSB1", "/dev/ttyUSB2", "/dev/ttyUSB3",
+ "/dev/ttyUSB4", "/dev/ttyUSB5", "/dev/ttyUSB6", "/dev/ttyUSB7"
+};
+#define OPENPARAMS (O_RDWR|O_NDELAY|O_NOCTTY)
+#define BAUDRATE_256000 -1
+#define BAUDRATE_128000 -1
+#define BAUDRATE_115200 B115200
+#define BAUDRATE_57600 B57600
+#define BAUDRATE_56000 B57600 /* 56000 gibts nicht */
+#define BAUDRATE_38400 B38400
+#define BAUDRATE_14400 B19200 /* 14400 gibts nicht */
+
+#endif /* else IRIX */
+
+static
+short baudspeedbittable[] =
+{
+ BAUDRATE_256000, /* CPU SPECIFIC */
+ BAUDRATE_128000, /* CPU SPECIFIC */
+ BAUDRATE_115200, /* CPU SPECIFIC */
+ BAUDRATE_57600, /* CPU SPECIFIC */
+ BAUDRATE_56000,
+ BAUDRATE_38400, /* CPU SPECIFIC */
+ B19200,
+ BAUDRATE_14400,
+ B9600,
+ B4800,
+ B2400,
+ B1200,
+ B600,
+ B300,
+ B110
+};
+
+struct timeval null_tv;
+
+#endif /* else NT */
+
+
+#define BAUDRATETABLE_LEN 15
+
+static
+long baudratetable[] =
+{
+ 256000L,
+ 128000L,
+ 115200L,
+ 57600L,
+ 56000L,
+ 38400L,
+ 19200L,
+ 14400L,
+ 9600L,
+ 4800L,
+ 2400L,
+ 1200L,
+ 600L,
+ 300L,
+ 110L
+}; /* holds the baud rate selections */
+
+t_class *comport_class;
+
+/* --------- sys independend serial setup helpers ---------------- */
+
+static long get_baud_ratebits(t_float *baud)
+{
+ int i = 0;
+
+ while(i < BAUDRATETABLE_LEN && baudratetable[i] > *baud)
+ i++;
+
+ /* nearest Baudrate finding */
+ if(i==BAUDRATETABLE_LEN || baudspeedbittable[i] < 0){
+ post("*Warning* The baud rate %d is not suported or out of range, using 9600\n",*baud);
+ i = 7;
+ }
+ *baud = baudratetable[i];
+
+ return baudspeedbittable[i];
+}
+
+
+/* ------------ sys dependend serial setup helpers ---------------- */
+
+
+/* --------------------- NT ------------------------------------ */
+
+#ifdef NT
+
+
+static float set_baudrate(t_comport *x,t_float baud)
+{
+ x->dcb.BaudRate = get_baud_ratebits(&baud);
+
+ return baud;
+}
+
+/* bits are 5,6,7,8(default) */
+
+static float set_bits(t_comport *x, int nr)
+{
+
+ if(nr < 4 && nr > 8)
+ nr = 8;
+
+ // number of bits/byte, 4-8
+ return x->dcb.ByteSize = nr;
+}
+
+
+/* 1 ... Parity even, -1 parity odd , 0 (default) no parity */
+static float set_parity(t_comport *x,int n)
+{
+ switch(n){
+ case 1:
+ x->dcb.fParity = TRUE; // enable parity checking
+ x->dcb.Parity = 2; // 0-4=no,odd,even,mark,space
+ return 1;
+
+ case -1:
+ x->dcb.fParity = TRUE; // enable parity checking
+ x->dcb.Parity = 1; // 0-4=no,odd,even,mark,space
+ return -1;
+
+ default:
+ x->dcb.fParity = FALSE; // enable parity checking
+ x->dcb.Parity = 0; // 0-4=no,odd,even,mark,space
+ }
+ return 0;
+}
+
+
+/* aktivate second stop bit with 1, 0(default)*/
+static float set_stopflag(t_comport *x, int nr)
+{
+ if(nr == 1){
+ x->dcb.StopBits = 1; // 0,1,2 = 1, 1.5, 2
+ return 1;
+ }
+ else
+ x->dcb.StopBits = 0; // 0,1,2 = 1, 1.5, 2
+
+ return 0;
+}
+
+/* never testet */
+static int set_ctsrts(t_comport *x, int nr)
+{
+ if(nr == 1){
+ x->dcb.fOutxCtsFlow = TRUE; // CTS output flow control
+ x->dcb.fRtsControl = RTS_CONTROL_ENABLE; // RTS flow control
+ return 1;
+ }
+ x->dcb.fOutxCtsFlow = FALSE; // CTS output flow control
+ x->dcb.fRtsControl = RTS_CONTROL_DISABLE; // RTS flow control
+ return 0;
+}
+
+static int set_xonxoff(t_comport *x, int nr)
+{
+ // x->dcb.fTXContinueOnXoff = FALSE; // XOFF continues Tx
+
+ if(nr == 1){
+ x->dcb.fOutX = TRUE; // XON/XOFF out flow control
+ x->dcb.fInX = TRUE; // XON/XOFF in flow control
+ return 1;
+ }
+
+ x->dcb.fOutX = FALSE; // XON/XOFF out flow control
+ x->dcb.fInX = FALSE; // XON/XOFF in flow control
+ return 0;
+}
+
+
+static int set_serial(t_comport *x)
+{
+
+ if (SetCommState(x->comhandle, &(x->dcb)))
+ return 1;
+
+ return 0;
+}
+
+static HANDLE open_serial(int com_nr, t_comport *x)
+{
+ HANDLE fd;
+
+ COMMTIMEOUTS timeouts;
+
+ float *baud = &(x->baud);
+
+ if(com_nr < 0 || com_nr >= COMPORT_MAX) {
+ post("comport open %d, baud %d not valid (args: [portnum] [baud])",com_nr,*baud);
+ return INVALID_HANDLE_VALUE;
+ }
+
+ fd = CreateFile( sys_com_port[com_nr],
+ GENERIC_READ | GENERIC_WRITE,
+ 0,
+ 0,
+ OPEN_EXISTING,
+ FILE_FLAG_OVERLAPPED,
+ 0);
+
+ if(fd == INVALID_HANDLE_VALUE)
+ {
+ post("** ERROR ** could not open device %s:\n failure(%d): %s\n",
+ sys_com_port[com_nr],errno,strerror(errno));
+ return INVALID_HANDLE_VALUE;
+ }
+
+ /* Save the Current Port Configuration */
+
+ if (!GetCommState(fd, &(x->dcb_old))){
+ post("** ERROR ** could not get old dcb of device %s\n",
+ sys_com_port[com_nr]);
+
+ CloseHandle(fd);
+ return INVALID_HANDLE_VALUE;
+ }
+
+ memset(&(x->dcb), sizeof(DCB), 0);
+
+ if (!GetCommState(fd, &(x->dcb))){
+ post("** ERROR ** could not get new dcb of device %s\n",
+ sys_com_port[com_nr]);
+
+ CloseHandle(fd);
+ return INVALID_HANDLE_VALUE;
+ }
+
+
+ x->dcb.fBinary = TRUE; // binary mode, no EOF check
+
+ // x->dcb.fOutxDsrFlow = FALSE; // DSR output flow control
+ // x->dcb.fDtrControl = DTR_CONTROL_DISABLE; // DTR flow control type
+
+ // x->dcb.fDsrSensitivity = FALSE; // DSR sensitivity
+
+ x->dcb.fErrorChar = FALSE; // enable error replacement
+ // x->dcb.fNull = FALSE; // enable null stripping
+
+ // DWORD x->dcb.fAbortOnError:1; // abort reads/writes on error
+
+ // char x->dcb.XonChar; // Tx and Rx XON character
+ // char x->dcb.XoffChar; // Tx and Rx XOFF character
+ // char x->dcb.ErrorChar; // error replacement character
+ // char x->dcb.EofChar; // end of input character
+ // char x->dcb.EvtChar; // received event character
+
+
+ set_bits(x,8); /* CS8 */
+ set_stopflag(x,0); /* ~CSTOPB */
+ set_ctsrts(x,0); /* ~CRTSCTS;*/
+ set_xonxoff(x,1); /* (IXON | IXOFF | IXANY) */
+ set_baudrate(x,*baud);
+
+ x->comhandle = fd;
+
+ if(set_serial(x))
+ {
+ post("Opened serial line device %s\n",sys_com_port[com_nr]);
+ }
+ else
+ {
+ post("** ERROR ** could not set params to control dcb of device %s\n",
+ sys_com_port[com_nr]);
+ CloseHandle(fd);
+ return INVALID_HANDLE_VALUE;
+ }
+
+
+
+ if (!GetCommTimeouts(fd, &(x->old_timeouts))){
+ post("Couldnt get old timeouts for serial device");
+ };
+
+ //setting new timeouts for read to immidiatly return
+ timeouts.ReadIntervalTimeout = MAXDWORD;
+ timeouts.ReadTotalTimeoutMultiplier = 0;
+ timeouts.ReadTotalTimeoutConstant = 0;
+ timeouts.WriteTotalTimeoutMultiplier = 0;
+ timeouts.WriteTotalTimeoutConstant = 0;
+
+ if (!SetCommTimeouts(fd, &timeouts)){
+ post("Couldnt set timeouts for serial device");
+ return INVALID_HANDLE_VALUE;
+ };
+
+
+ return fd;
+}
+
+static HANDLE close_serial(t_comport *x)
+{
+ if(x->comhandle != INVALID_HANDLE_VALUE){
+
+ if (!SetCommState(x->comhandle, &(x->dcb_old)) )
+ {
+ post("** ERROR ** could not reset params to DCB of device %s\n",
+ sys_com_port[x->comport]);
+ }
+
+ if (!SetCommTimeouts(x->comhandle, &(x->old_timeouts))){
+ post("Couldnt reset old_timeouts for serial device");
+ };
+
+ CloseHandle(x->comhandle);
+ }
+
+ return INVALID_HANDLE_VALUE;
+}
+
+
+static int write_serial(t_comport *x, unsigned char chr)
+{
+ OVERLAPPED osWrite = {0};
+ DWORD dwWritten;
+ DWORD dwRes;
+
+ /* post("open send %d",chr); */
+
+ if (!WriteFile(x->comhandle, &chr, 1, &dwWritten, &osWrite)) {
+ if (GetLastError() != ERROR_IO_PENDING)
+ post("WriteFile failed, but isn't delayed on serialdevice");
+ return 0;
+ }
+ return 1;
+}
+
+#else /* NT */
+/* ----------------- POSIX - UNIX ------------------------------ */
+
+
+static float set_baudrate(t_comport *x,t_float baud)
+{
+ struct termios *tio = &(x->com_termio);
+
+ long baudbits = get_baud_ratebits(&baud);
+
+ cfsetispeed(tio, baudbits);
+ cfsetospeed(tio, baudbits);
+
+ return baud;
+}
+
+/* bits are 5,6,7,8(default) */
+
+static float set_bits(t_comport *x, int nr)
+{
+ struct termios *tio = &(x->com_termio);
+ tio->c_cflag &= ~CSIZE;
+ switch(nr){
+ case 5: tio->c_cflag |= CS5; return 5;
+ case 6: tio->c_cflag |= CS6; return 6;
+ case 7: tio->c_cflag |= CS7; return 7;
+ default: tio->c_cflag |= CS8;
+ }
+ return 8;
+}
+
+
+/* 1 ... Parity even, -1 parity odd , 0 (default) no parity */
+static float set_parity(t_comport *x,int n)
+{
+ struct termios *tio = &(x->com_termio);
+
+ switch(n){
+ case 1:
+ tio->c_cflag |= PARENB; tio->c_cflag &= ~PARODD; return 1;
+ case -1:
+ tio->c_cflag |= PARENB | PARODD; return -1;
+ default:
+ tio->c_cflag &= ~PARENB;
+ }
+ return 0;
+}
+
+
+/* aktivate second stop bit with 1, 0(default)*/
+static float set_stopflag(t_comport *x, int nr)
+{
+ struct termios *tio = &(x->com_termio);
+
+ if(nr == 1){
+ tio->c_cflag |= CSTOPB;
+ return 1;
+ }
+ else
+ tio->c_cflag &= ~CSTOPB;
+ return 0;
+}
+
+/* never testet */
+static int set_ctsrts(t_comport *x, int nr)
+{
+ struct termios *tio = &(x->com_termio);
+
+ if(nr == 1){
+ tio->c_cflag |= CRTSCTS;
+ return 1;
+ }
+ tio->c_cflag &= ~CRTSCTS;
+ return 0;
+}
+
+static int set_xonxoff(t_comport *x, int nr)
+{
+ struct termios *tio = &(x->com_termio);
+
+ if(nr == 1){
+ tio->c_iflag |= (IXON | IXOFF | IXANY);
+ return 1;
+ }
+
+ tio->c_iflag &= ~IXON & ~IXOFF & ~IXANY;
+ return 0;
+}
+
+static int open_serial(int com_nr, t_comport *x)
+{
+ HANDLE fd;
+ struct termios *old = &(x->oldcom_termio);
+ struct termios *new = &(x->com_termio);
+ float *baud = &(x->baud);
+
+ if(com_nr < 0 || com_nr >= COMPORT_MAX) {
+ post("comport open %d, baud %d not valid (args: [portnum] [baud])");
+ return INVALID_HANDLE_VALUE;
+ }
+
+ if((fd = open(sys_com_port[com_nr], OPENPARAMS)) == INVALID_HANDLE_VALUE)
+ {
+ post("** ERROR ** could not open device %s:\n failure(%d): %s\n",
+ sys_com_port[com_nr],errno,strerror(errno));
+ return INVALID_HANDLE_VALUE;
+ }
+
+ /* set no wait on any operation */
+ fcntl(fd, F_SETFL, FNDELAY);
+
+ /* Save the Current Port Configuration */
+ if(tcgetattr(fd, old) == -1 || tcgetattr(fd, new) == -1){
+ post("** ERROR ** could not get termios-structure of device %s\n",
+ sys_com_port[com_nr]);
+ close(fd);
+ return INVALID_HANDLE_VALUE;
+ }
+
+
+ /* Setupt the new port configuration...NON-CANONICAL INPUT MODE
+ .. as defined in termios.h
+ */
+
+ /* enable input and ignore modem controls */
+ new->c_cflag |= (CREAD | CLOCAL);
+
+ /* always nocanonical, this means raw i/o no terminal */
+ new->c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
+
+ /* no post processing */
+ new->c_oflag &= ~OPOST;
+
+ /* setup to return after 0 seconds
+ ..if no characters are received
+ TIME units are assumed to be 0.1 secs */
+ /* not needed anymore ??? in new termios in linux
+ new->c_cc[VMIN] = 0;
+ new->c_cc[VTIME] = 0;
+ */
+
+ /* defaults, see input */
+
+ set_bits(x,8); /* CS8 */
+ set_stopflag(x,0); /* ~CSTOPB */
+ set_ctsrts(x,0); /* ~CRTSCTS;*/
+ set_xonxoff(x,1); /* (IXON | IXOFF | IXANY) */
+ set_baudrate(x,*baud);
+
+ if(tcsetattr(fd, TCSAFLUSH, new) != -1)
+ {
+ post("Opened serial line device %s\n",sys_com_port[com_nr]);
+ }
+ else
+ {
+ post("** ERROR ** could not set params to ioctl of device %s\n",
+ sys_com_port[com_nr]);
+ close(fd);
+ return INVALID_HANDLE_VALUE;
+ }
+
+ return fd;
+}
+
+
+static int close_serial(t_comport *x)
+{
+ 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;
+}
+
+
+static int set_serial(t_comport *x)
+{
+ if(tcsetattr(x->comhandle, TCSAFLUSH, &(x->com_termio)) == -1)
+ return 0;
+ return 1;
+}
+
+static int write_serial(t_comport *x, unsigned char chr)
+{
+
+ return write(x->comhandle,(char *) &chr,1);
+
+ /* flush pending I/O chars */
+ /* but nowadays discards them ;-(
+ else{
+ ioctl(x->comhandle,TCFLSH,TCOFLUSH);
+ }
+ */
+}
+
+
+#endif /* else NT */
+
+
+/* ------------------- serial pd methods --------------------------- */
+static void comport_pollintervall(t_comport *x, t_floatarg g)
+{
+ if (g < 1) g = 1;
+ x->x_deltime = g;
+}
+
+static void comport_tick(t_comport *x)
+{
+ unsigned char chr;
+ int err;
+ HANDLE fd = x->comhandle;
+
+ x->x_hit = 0;
+
+
+ if(fd == INVALID_HANDLE_VALUE) return;
+
+ /* while there are bytes, read them and send them out, ignore errors */
+#ifdef NT
+ {
+ DWORD dwCommEvent;
+ DWORD dwRead;
+
+ err = 0;
+
+// if (!SetCommMask(x->comhandle, EV_RXCHAR))
+// post(" Error setting communications event mask for serial device");
+
+// for ( ; ; ) {
+// if (WaitCommEvent(x->comhandle, &dwCommEvent,NULL)) {
+ do {
+
+ if(ReadFile(x->comhandle, &chr, 1, &dwRead, NULL))
+ if(dwRead > 0)
+ outlet_float(x->x_obj.ob_outlet, (t_float) chr);
+ else{
+ err = -1;
+ break;
+ }
+ } while (dwRead);
+// }
+// else{
+// post("serial dev: Error in WaitCommEvent");
+ // break;
+// }
+ //}
+ }
+#else
+ {
+ fd_set com_rfds;
+ FD_ZERO(&com_rfds);
+ FD_SET(fd,&com_rfds);
+
+ while((err=select(fd+1,&com_rfds,NULL,NULL,&null_tv)) > 0) {
+
+ err = read(fd,(char *) &chr,1);
+
+ /* while( (err = read(fd,(char *) &chr,1)) > 0){ */
+ outlet_float(x->x_obj.ob_outlet, (t_float) chr);
+
+ };
+ }
+#endif
+
+ if(err < 0){ /* if an readerror detected */
+ if(x->rxerrors == 0) /* post it once */
+ post("RXERRORS on serial line\n");
+ x->rxerrors = 1; /* remember */
+ }
+
+ if (!x->x_hit) clock_delay(x->x_clock, 1);
+}
+
+static void comport_float(t_comport *x,t_float f)
+{
+ unsigned char chr = ((int) f) & 0xFF; /* brutal conv */
+
+ if (write_serial(x,chr) != 1)
+ {
+ post("Write error, maybe TX-OVERRUNS on serial line");
+ }
+}
+
+static void *comport_new(t_floatarg comnr, t_floatarg fbaud) {
+
+ t_comport test;
+ t_comport *x;
+ int com_nr = comnr;
+ HANDLE fd;
+
+
+/* Open the Comport for RD and WR and get a handle */
+ test.baud = fbaud;
+ 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 */
+
+ x = (t_comport *)pd_new(comport_class);
+
+ x->comport = com_nr;
+ x->baud = test.baud;
+ x->comhandle = fd; /* holds the comport handle */
+
+#ifdef NT
+
+ 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
+
+#else
+ /* save the old com and new com config */
+ bcopy(&(test.oldcom_termio),&(x->oldcom_termio),sizeof(struct termios));
+ bcopy(&(test.com_termio),&(x->com_termio),sizeof(struct termios));
+#endif
+
+ x->rxerrors = 0; /* holds the rx line errors */
+
+ outlet_new(&x->x_obj, &s_float);
+
+ x->x_hit = 0;
+ x->x_deltime = 1;
+ x->x_clock = clock_new(x, (t_method)comport_tick);
+
+ clock_delay(x->x_clock, x->x_deltime);
+
+ return x;
+}
+
+
+static void
+comport_free(t_comport *x)
+{
+ post("close serial...");
+
+ clock_unset(x->x_clock);
+ clock_free(x->x_clock);
+ x->comhandle = close_serial(x);
+}
+
+/* ---------------- use serial settings ------------- */
+
+static void comport_baud(t_comport *x,t_floatarg f)
+{
+ if(f == x->baud){
+ post("baudrate already %f\n",x->baud);
+ return;
+ }
+
+ x->baud = set_baudrate(x,f);
+
+ if(x->comhandle == INVALID_HANDLE_VALUE)return;
+
+ if(set_serial(x) == 0){
+ post("** ERROR ** could not set baudrate of device %s\n",
+ sys_com_port[x->comport]);
+ }
+ else post("set baudrate of %s to %f\n",sys_com_port[x->comport],x->baud);
+}
+
+static void comport_bits(t_comport *x,t_floatarg f)
+{
+ f = set_bits(x,f);
+
+ if(x->comhandle == INVALID_HANDLE_VALUE)return;
+
+ if(set_serial(x) == 0){
+ post("** ERROR ** could not set bits of device %s\n",
+ sys_com_port[x->comport]);
+ }
+ else post("set bits of %s to %f\n",sys_com_port[x->comport],f);
+}
+
+
+static void comport_parity(t_comport *x,t_floatarg f)
+{
+ f = set_parity(x,f);
+
+ if(x->comhandle == INVALID_HANDLE_VALUE)return;
+
+ if(set_serial(x) == 0){
+ post("** ERROR ** could not set extra paritybit of device %s\n",
+ sys_com_port[x->comport]);
+ }
+ else post("set extra paritybit of %s to %f\n",sys_com_port[x->comport],f);
+}
+
+static void comport_stopbit(t_comport *x,t_floatarg f)
+{
+ f = set_stopflag(x,f);
+
+ if(x->comhandle == INVALID_HANDLE_VALUE)return;
+
+ if(set_serial(x) == 0){
+ post("** ERROR ** could not set extra stopbit of device %s\n",
+ sys_com_port[x->comport]);
+ }
+ else post("set extra stopbit of %s to %f\n",sys_com_port[x->comport],f);
+}
+
+static void comport_rtscts(t_comport *x,t_floatarg f)
+{
+ f = set_ctsrts(x,f);
+
+ if(x->comhandle == INVALID_HANDLE_VALUE)return;
+
+ if(set_serial(x) == 0){
+ post("** ERROR ** could not set rts_cts of device %s\n",
+ sys_com_port[x->comport]);
+ }
+ else post("set rts-cts of %s to %f\n",sys_com_port[x->comport],f);
+}
+
+static void comport_xonxoff(t_comport *x,t_floatarg f)
+{
+ f = set_xonxoff(x,f);
+
+ if(x->comhandle == INVALID_HANDLE_VALUE)return;
+
+ if(set_serial(x) == 0){
+ post("** ERROR ** could not set xonxoff of device %s\n",
+ sys_com_port[x->comport]);
+ }
+ else post("set xonxoff of %s to %f\n",sys_com_port[x->comport],f);
+}
+
+static void comport_close(t_comport *x)
+{
+ clock_unset(x->x_clock);
+ x->x_hit = 1;
+ x->comhandle = close_serial(x);
+}
+
+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);
+}
+
+/*
+ dangerous but if you really have some stupid devicename ...
+ you can open any file on systems if suid is set on pd be careful
+*/
+
+static void comport_devicename(t_comport *x, t_symbol *s)
+{
+ if(x->comport >= 0 && x->comport < COMPORT_MAX){
+ sys_com_port[x->comport] = s->s_name;
+ }
+}
+
+static void comport_print(t_comport *x, t_symbol *s, int argc, t_atom *argv)
+{
+ static char buf[256];
+ while(argc--) {
+ atom_string(argv++, buf, 255);
+ char *pch = buf;
+ while(*pch != 0) {
+ write_serial(x, *pch++);
+ }
+ if(argc > 0) {
+ write_serial(x, ' ');
+ }
+ }
+}
+/* ---------------- SETUP OBJECTS ------------------ */
+
+void comport_setup(void)
+{
+ comport_class
+ = class_new(gensym("comport"), (t_newmethod)comport_new,
+ (t_method)comport_free, sizeof(t_comport),
+ 0, A_DEFFLOAT, A_DEFFLOAT, 0);
+
+ class_addfloat(comport_class, (t_method)comport_float);
+
+ /*
+ class_addbang(comport_class, comport_bang
+ */
+
+
+ class_addmethod(comport_class, (t_method)comport_baud, gensym("baud"),
+ A_FLOAT, 0);
+
+
+ class_addmethod(comport_class, (t_method)comport_bits, gensym("bits"),
+ A_FLOAT, 0);
+ class_addmethod(comport_class, (t_method)comport_stopbit, gensym("stopbit"),
+ A_FLOAT, 0);
+ class_addmethod(comport_class, (t_method)comport_rtscts, gensym("rtscts"),
+ A_FLOAT, 0);
+ class_addmethod(comport_class, (t_method)comport_parity, gensym("parity"),
+ A_FLOAT, 0);
+ class_addmethod(comport_class, (t_method)comport_xonxoff, gensym("xonxoff"),
+ A_FLOAT, 0);
+ class_addmethod(comport_class, (t_method)comport_close, gensym("close"), 0);
+ class_addmethod(comport_class, (t_method)comport_open, gensym("open"),
+ A_FLOAT, 0);
+ class_addmethod(comport_class, (t_method)comport_devicename, gensym("devicename"),
+ A_SYMBOL, 0);
+ class_addmethod(comport_class, (t_method)comport_print, gensym("print"),
+ A_GIMME, 0);
+
+ class_addmethod(comport_class, (t_method)comport_pollintervall, gensym("pollintervall"),
+ A_FLOAT, 0);
+#ifndef NT
+ null_tv.tv_sec = 0; /* no wait */
+ null_tv.tv_usec = 0;
+#endif
+}
+
+
diff --git a/comport/makefile b/comport/makefile
new file mode 100644
index 0000000..48e9db2
--- /dev/null
+++ b/comport/makefile
@@ -0,0 +1,82 @@
+# comport - PD external for unix/windows
+#
+# (c) 1998-2005 Winfried Ritsch (see LICENCE.txt)
+# Institute for Electronic Music - Graz
+#
+#
+
+current:
+ echo choose one command: make pd_linux, make pd_nt, make pd_irix5, make pd_irix6
+
+# ----------------------- NT -----------------------
+pd_nt: comport.dll
+
+.SUFFIXES: .dll
+
+PDNTCFLAGS = /W3 /WX /DNT /DPD /nologo /DWIN2000
+
+VC="C:\Programme\Microsoft Visual Studio\Vc98"
+PDROOT="C:\Programme\pd"
+
+PDNTINCLUDE = /I. /I$(PDROOT)\tcl\include /I$(PDROOT)\src /I$(VC)\include
+
+PDNTLDIR = $(VC)\lib
+PDNTLIB = $(PDNTLDIR)\libc.lib \
+ $(PDNTLDIR)\oldnames.lib \
+ $(PDNTLDIR)\kernel32.lib \
+ $(PDROOT)\bin\pd.lib
+
+.c.dll:
+ cl $(PDNTCFLAGS) $(PDNTINCLUDE) /c $*.c
+ link /dll /export:$*_setup $*.obj $(PDNTLIB)
+
+# ----------------------- IRIX 5.x -----------------------
+pd_irix5: comport.pd_irix5
+
+.SUFFIXES: .pd_irix5
+
+SGICFLAGS5 = -o32 -DPD -DSGI -O2
+
+
+SGIINCLUDE = -I../../src
+
+.c.pd_irix5:
+ cc $(SGICFLAGS5) $(SGIINCLUDE) -o $*.o -c $*.c
+ ld -elf -shared -rdata_shared -o $*.pd_irix5 $*.o
+ rm $*.o
+
+# ----------------------- IRIX 6.x -----------------------
+pd_irix6: comport.pd_irix6
+
+.SUFFIXES: .pd_irix6
+
+SGICFLAGS6 = -DPD -DSGI -n32 \
+ -OPT:roundoff=3 -OPT:IEEE_arithmetic=3 -OPT:cray_ivdep=true \
+ -Ofast=ip32
+
+SGICFLAGS5 = -DPD -O2 -DSGI
+
+SGIINCLUDE = -I/../../src
+
+.c.pd_irix6:
+ cc $(SGICFLAGS6) $(SGIINCLUDE) -o $*.o -c $*.c
+ ld -elf -shared -rdata_shared -o $*.pd_irix6 $*.o
+ rm $*.o
+
+# ----------------------- LINUX i386 -----------------------
+
+pd_linux: comport.pd_linux
+
+.SUFFIXES: .pd_linux
+
+LINUXCFLAGS = -DPD -O2 -funroll-loops -fomit-frame-pointer \
+ -Wall -W -Wshadow -Wstrict-prototypes -Werror \
+ -Wno-unused -Wno-parentheses -Wno-switch
+
+LINUXINCLUDE = -I../../src
+
+.c.pd_linux:
+ cc $(LINUXCFLAGS) $(LINUXINCLUDE) -o $*.o -c $*.c
+ ld -export_dynamic -shared -o $*.pd_linux $*.o -lc -lm
+ strip --strip-unneeded $*.pd_linux
+ rm $*.o
diff --git a/comport/testcomport.pd b/comport/testcomport.pd
new file mode 100644
index 0000000..0dbfcf2
--- /dev/null
+++ b/comport/testcomport.pd
@@ -0,0 +1,81 @@
+#N canvas 199 244 693 475 10;
+#X obj 97 231 comport 1 9600;
+#X msg 13 213 66;
+#X obj 88 361 print;
+#X floatatom 195 190 4 0 0 0 - - -;
+#X msg 12 171 64;
+#X text 12 191 point;
+#X text 11 150 stream;
+#X msg 13 263 86;
+#X text 13 238 position;
+#X msg 16 307 70;
+#X msg 14 347 71;
+#X text 15 290 run;
+#X text 14 325 sleep;
+#X floatatom 121 269 4 0 0 0 - - -;
+#X obj 90 325 spigot;
+#X msg 109 298 1;
+#X msg 143 299 0;
+#X msg 314 48 bits 8;
+#X msg 313 72 stopbit 0;
+#X msg 312 100 parity 0;
+#X msg 313 129 xonxoff 1;
+#X msg 313 155 rtscts 0;
+#X text 392 103 parity 1=even \, -1=odd \, 0=off;
+#X text 392 74 extra stopbit 1=on \, 0=off;
+#X text 394 49 databits 5 \, 6 \, 7 \, 8;
+#X text 393 20 use exact or higher baudrate;
+#X obj 94 200 r comctl;
+#X obj 271 294 s comctl;
+#X text 394 128 use handshake xon/off 1=on 0=off;
+#X text 392 154 cts/rts hardwarehandshake 1=on 0=off;
+#X msg 318 201 pollintervall 1;
+#X text 430 191 set pollintervall for read in ms;
+#X text 430 205 (default is 1 tick 1ms);
+#X msg 317 233 close;
+#X msg 317 259 open 1;
+#X msg 314 23 baud 10000;
+#X text 383 230 Close Serial port;
+#X text 381 263 Open seriel board Nr (0=COM1 \, 1=COM2 \, ...);
+#X msg 263 354 devicename /dev/ttyS1;
+#X text 257 375 Danger !!! you can open every file in your system and
+maybe if suid is root damage the system.;
+#X text 258 336 set devicename for actuell port \, then close and open
+again;
+#X obj 195 165 spigot;
+#X msg 214 138 1;
+#X msg 247 143 0;
+#X obj 190 112 key;
+#X text 260 324 never should be needed except for sys admins (only
+unix);
+#X msg 309 0 baud 300;
+#X text 3 -10 (C) 1998-2005 IEM Winfried Ritsch GPL (see LICENSE.txt)
+;
+#X text 14 388;
+#X text 1 41 please improve...;
+#X connect 0 0 13 0;
+#X connect 0 0 14 0;
+#X connect 1 0 0 0;
+#X connect 3 0 0 0;
+#X connect 4 0 0 0;
+#X connect 7 0 0 0;
+#X connect 9 0 0 0;
+#X connect 10 0 0 0;
+#X connect 14 0 2 0;
+#X connect 15 0 14 1;
+#X connect 16 0 14 1;
+#X connect 17 0 27 0;
+#X connect 18 0 27 0;
+#X connect 19 0 27 0;
+#X connect 20 0 27 0;
+#X connect 21 0 27 0;
+#X connect 26 0 0 0;
+#X connect 30 0 27 0;
+#X connect 33 0 27 0;
+#X connect 34 0 27 0;
+#X connect 35 0 27 0;
+#X connect 41 0 3 0;
+#X connect 42 0 41 1;
+#X connect 43 0 41 1;
+#X connect 44 0 41 0;
+#X connect 46 0 27 0;
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-19 01:12:27 +0000