1 files changed, 0 insertions, 378 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_generic_serial.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_generic_serial.c.svn-base
deleted file mode 100644
index 7550f882..00000000
--- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_generic_serial.c.svn-base
+++ /dev/null
@@ -1,378 +0,0 @@
-/* $Id$
- * $URL$
- *
- * generic driver helper for serial and usbserial displays
- *
- * Copyright (C) 1999, 2000 Michael Reinelt <michael@reinelt.co.at>
- * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
- *
- * This file is part of LCD4Linux.
- *
- * LCD4Linux 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, or (at your option)
- * any later version.
- *
- * LCD4Linux 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-/*
- *
- * exported fuctions:
- *
- * int drv_generic_serial_open (char *section, char *driver, unsigned int flags)
- *   opens the serial port
- *
- * int drv_generic_serial_poll (char *string, int len)
- *   reads from the serial or USB port
- *   without retry
- *
- * int drv_generic_serial_read (char *string, int len);
- *   reads from the serial or USB port
- *   with retry
- *
- * void drv_generic_serial_write (char *string, int len);
- *   writes to the serial or USB port
- *
- * int drv_generic_serial_close (void);
- *   closes the serial port
- *
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <termios.h>
-#include <fcntl.h>
-#include <time.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#include "debug.h"
-#include "qprintf.h"
-#include "cfg.h"
-#include "drv_generic_serial.h"
-
-
-extern int got_signal;
-
-static char *Section;
-static char *Driver;
-static char *Port;
-static speed_t Speed;
-static int Device = -1;
-
-
-#define LOCK "/var/lock/LCK..%s"
-
-
-/****************************************/
-/*** generic serial/USB communication ***/
-/****************************************/
-
-static pid_t drv_generic_serial_lock_port(const char *Port)
-{
-    char lockfile[256];
-    char tempfile[256];
-    char buffer[16];
-    char *port, *p;
-    int fd, len, pid;
-
-    if (strncmp(Port, "/dev/", 5) == 0) {
-	port = strdup(Port + 5);
-    } else {
-	port = strdup(Port);
-    }
-
-    while ((p = strchr(port, '/')) != NULL) {
-	*p = '_';
-    }
-
-    qprintf(lockfile, sizeof(lockfile), LOCK, port);
-    qprintf(tempfile, sizeof(tempfile), LOCK, "TMP.XXXXXX");
-
-    free(port);
-
-    if ((fd = mkstemp(tempfile)) == -1) {
-	error("mkstemp(%s) failed: %s", tempfile, strerror(errno));
-	return -1;
-    }
-
-    if (fchmod(fd, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) == -1) {
-	error("fchmod(%s) failed: %s", tempfile, strerror(errno));
-	close(fd);
-	unlink(tempfile);
-	return -1;
-    }
-
-    snprintf(buffer, sizeof(buffer), "%10d\n", (int) getpid());
-    len = strlen(buffer);
-    if (write(fd, buffer, len) != len) {
-	error("write(%s) failed: %s", tempfile, strerror(errno));
-	close(fd);
-	unlink(tempfile);
-	return -1;
-    }
-    close(fd);
-
-
-    while (link(tempfile, lockfile) == -1) {
-
-	if (errno != EEXIST) {
-	    error("link(%s, %s) failed: %s", tempfile, lockfile, strerror(errno));
-	    unlink(tempfile);
-	    return -1;
-	}
-
-	if ((fd = open(lockfile, O_RDONLY)) == -1) {
-	    if (errno == ENOENT)
-		continue;	/* lockfile disappared */
-	    error("open(%s) failed: %s", lockfile, strerror(errno));
-	    unlink(tempfile);
-	    return -1;
-	}
-
-	len = read(fd, buffer, sizeof(buffer) - 1);
-	if (len < 0) {
-	    error("read(%s) failed: %s", lockfile, strerror(errno));
-	    unlink(tempfile);
-	    return -1;
-	}
-
-	buffer[len] = '\0';
-	if (sscanf(buffer, "%d", &pid) != 1 || pid == 0) {
-	    error("scan(%s) failed.", lockfile);
-	    unlink(tempfile);
-	    return -1;
-	}
-
-	if (pid == getpid()) {
-	    error("%s already locked by us. uh-oh...", lockfile);
-	    unlink(tempfile);
-	    return 0;
-	}
-
-	if ((kill(pid, 0) == -1) && errno == ESRCH) {
-	    error("removing stale lockfile %s", lockfile);
-	    if (unlink(lockfile) == -1 && errno != ENOENT) {
-		error("unlink(%s) failed: %s", lockfile, strerror(errno));
-		unlink(tempfile);
-		return pid;
-	    }
-	    continue;
-	}
-	unlink(tempfile);
-	return pid;
-    }
-
-    unlink(tempfile);
-    return 0;
-}
-
-
-static pid_t drv_generic_serial_unlock_port(const char *Port)
-{
-    char lockfile[256];
-    char *port, *p;
-
-    if (strncmp(Port, "/dev/", 5) == 0) {
-	port = strdup(Port + 5);
-    } else {
-	port = strdup(Port);
-    }
-
-    while ((p = strchr(port, '/')) != NULL) {
-	*p = '_';
-    }
-
-    qprintf(lockfile, sizeof(lockfile), LOCK, port);
-    unlink(lockfile);
-    free(port);
-
-    return 0;
-}
-
-
-int drv_generic_serial_open(const char *section, const char *driver, const unsigned int flags)
-{
-    int i, fd;
-    pid_t pid;
-    struct termios portset;
-
-    Section = (char *) section;
-    Driver = (char *) driver;
-
-    Port = cfg_get(section, "Port", NULL);
-    if (Port == NULL || *Port == '\0') {
-	error("%s: no '%s.Port' entry from %s", Driver, section, cfg_source());
-	return -1;
-    }
-
-    if (cfg_number(section, "Speed", 19200, 1200, 230400, &i) < 0)
-	return -1;
-    switch (i) {
-    case 1200:
-	Speed = B1200;
-	break;
-    case 2400:
-	Speed = B2400;
-	break;
-    case 4800:
-	Speed = B4800;
-	break;
-    case 9600:
-	Speed = B9600;
-	break;
-    case 19200:
-	Speed = B19200;
-	break;
-    case 38400:
-	Speed = B38400;
-	break;
-    case 57600:
-	Speed = B57600;
-	break;
-    case 115200:
-	Speed = B115200;
-	break;
-#ifdef B230400
-    case 230400:
-	Speed = B230400;
-	break;
-#endif
-    default:
-	error("%s: unsupported speed '%d' from %s", Driver, i, cfg_source());
-	return -1;
-    }
-
-    info("%s: using port '%s' at %d baud", Driver, Port, i);
-
-    if ((pid = drv_generic_serial_lock_port(Port)) != 0) {
-	if (pid == -1)
-	    error("%s: port %s could not be locked", Driver, Port);
-	else
-	    error("%s: port %s is locked by process %d", Driver, Port, pid);
-	return -1;
-    }
-
-    fd = open(Port, O_RDWR | O_NOCTTY | O_NDELAY);
-    if (fd == -1) {
-	error("%s: open(%s) failed: %s", Driver, Port, strerror(errno));
-	drv_generic_serial_unlock_port(Port);
-	return -1;
-    }
-
-    if (tcgetattr(fd, &portset) == -1) {
-	error("%s: tcgetattr(%s) failed: %s", Driver, Port, strerror(errno));
-	drv_generic_serial_unlock_port(Port);
-	return -1;
-    }
-
-    cfmakeraw(&portset);
-    portset.c_cflag |= flags;
-    cfsetispeed(&portset, Speed);
-    cfsetospeed(&portset, Speed);
-    if (tcsetattr(fd, TCSANOW, &portset) == -1) {
-	error("%s: tcsetattr(%s) failed: %s", Driver, Port, strerror(errno));
-	drv_generic_serial_unlock_port(Port);
-	return -1;
-    }
-
-    Device = fd;
-    return Device;
-}
-
-
-int drv_generic_serial_poll(char *string, const int len)
-{
-    int ret;
-    if (Device == -1)
-	return -1;
-    ret = read(Device, string, len);
-    if (ret < 0 && errno != EAGAIN) {
-	error("%s: read(%s) failed: %s", Driver, Port, strerror(errno));
-    }
-    return ret;
-}
-
-
-int drv_generic_serial_read(char *string, const int len)
-{
-    int count, run, ret;
-
-    count = len < 0 ? -len : len;
-
-    for (run = 0; run < 10; run++) {
-	ret = drv_generic_serial_poll(string, count);
-	if (ret >= 0 || errno != EAGAIN)
-	    break;
-	info("%s: read(%s): EAGAIN", Driver, Port);
-	usleep(1000);
-    }
-
-    if (ret > 0 && ret != count && len > 0) {
-	error("%s: partial read(%s): len=%d ret=%d", Driver, Port, len, ret);
-    }
-
-    return ret;
-}
-
-
-void drv_generic_serial_write(const char *string, const int len)
-{
-    static int error = 0;
-    int run, ret;
-
-    if (Device == -1) {
-	error("%s: write to closed port %s failed!", Driver, Port);
-	return;
-    }
-
-    for (run = 0; run < 10; run++) {
-	ret = write(Device, string, len);
-	if (ret >= 0 || errno != EAGAIN) {
-	    break;
-	}
-	/* EAGAIN: retry 10 times, emit message after 2nd retry */
-	if (run > 0) {
-	    info("%s: write(%s): EAGAIN #%d", Driver, Port, run);
-	}
-	usleep(1000);
-    }
-
-    if (ret < 0) {
-	error("%s: write(%s) failed: %s", Driver, Port, strerror(errno));
-	if (++error > 10) {
-	    error("%s: too much errors, giving up", Driver);
-	    got_signal = -1;
-	}
-    } else if (ret != len) {
-	error("%s: partial write(%s): len=%d ret=%d", Driver, Port, len, ret);
-    } else {
-	error = 0;
-    }
-    return;
-}
-
-
-int drv_generic_serial_close(void)
-{
-    info("%s: closing port %s", Driver, Port);
-    close(Device);
-    drv_generic_serial_unlock_port(Port);
-    free(Port);
-    return 0;
-}