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-rw-r--r--Makefile.plugins3
-rw-r--r--gatchat/gatchat.c44
-rw-r--r--gatchat/gattty.c240
-rw-r--r--gatchat/gattty.h49
4 files changed, 292 insertions, 44 deletions
diff --git a/Makefile.plugins b/Makefile.plugins
index 4a65cf4a..fe98997a 100644
--- a/Makefile.plugins
+++ b/Makefile.plugins
@@ -4,7 +4,8 @@ noinst_LTLIBRARIES = plugins/libgatchat.la
plugins_libgatchat_la_SOURCES = gatchat/gatchat.h gatchat/gatchat.c \
gatchat/gatresult.h gatchat/gatresult.c \
gatchat/gatsyntax.h gatchat/gatsyntax.c \
- gatchat/ringbuffer.h gatchat/ringbuffer.c
+ gatchat/ringbuffer.h gatchat/ringbuffer.c \
+ gatchat/gattty.h gatchat/gattty.c
plugin_cflags = -fvisibility=hidden -I$(srcdir)/gdbus \
diff --git a/gatchat/gatchat.c b/gatchat/gatchat.c
index 8407338b..fa4f262e 100644
--- a/gatchat/gatchat.c
+++ b/gatchat/gatchat.c
@@ -24,12 +24,11 @@
#endif
#include <stdio.h>
-#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <assert.h>
-#include <termios.h>
#include <ctype.h>
+#include <errno.h>
#include <glib.h>
@@ -960,47 +959,6 @@ error:
return NULL;
}
-static int open_device(const char *device)
-{
- struct termios ti;
- int fd;
-
- fd = open(device, O_RDWR | O_NOCTTY);
- if (fd < 0)
- return -1;
-
- tcflush(fd, TCIOFLUSH);
-
- /* Switch TTY to raw mode */
- memset(&ti, 0, sizeof(ti));
- cfmakeraw(&ti);
-
- tcsetattr(fd, TCSANOW, &ti);
-
- return fd;
-}
-
-GAtChat *g_at_chat_new_from_tty(const char *device, GAtSyntax *syntax)
-{
- GIOChannel *channel;
- int fd;
- GAtChat *chat;
-
- fd = open_device(device);
- if (fd < 0)
- return NULL;
-
- channel = g_io_channel_unix_new(fd);
- if (!channel) {
- close(fd);
- return NULL;
- }
-
- chat = g_at_chat_new(channel, syntax);
- g_io_channel_unref(channel);
- return chat;
-}
-
GAtChat *g_at_chat_ref(GAtChat *chat)
{
if (chat == NULL)
diff --git a/gatchat/gattty.c b/gatchat/gattty.c
new file mode 100644
index 00000000..e1dfe241
--- /dev/null
+++ b/gatchat/gattty.c
@@ -0,0 +1,240 @@
+/*
+ *
+ * AT chat library with GLib integration
+ *
+ * Copyright (C) 2008-2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <termios.h>
+
+#include <glib.h>
+
+#include "gattty.h"
+
+static gboolean set_baud(const char *baud, struct termios *ti)
+{
+ speed_t speed;
+
+ if (g_str_equal(baud, "300"))
+ speed = B300;
+ else if (g_str_equal(baud, "1200"))
+ speed = B1200;
+ else if (g_str_equal(baud, "2400"))
+ speed = B2400;
+ else if (g_str_equal(baud, "4800"))
+ speed = B4800;
+ else if (g_str_equal(baud, "9600"))
+ speed = B9600;
+ else if (g_str_equal(baud, "19200"))
+ speed = B19200;
+ else if (g_str_equal(baud, "38400"))
+ speed = B38400;
+ else if (g_str_equal(baud, "57600"))
+ speed = B57600;
+ else if (g_str_equal(baud, "115200"))
+ speed = B115200;
+ else if (g_str_equal(baud, "230400"))
+ speed = B230400;
+ else if (g_str_equal(baud, "460800"))
+ speed = B460800;
+ else if (g_str_equal(baud, "500000"))
+ speed = B500000;
+ else if (g_str_equal(baud, "576000"))
+ speed = B576000;
+ else if (g_str_equal(baud, "921600"))
+ speed = B921600;
+ else if (g_str_equal(baud, "1000000"))
+ speed = B1000000;
+ else if (g_str_equal(baud, "1152000"))
+ speed = B1152000;
+ else if (g_str_equal(baud, "1500000"))
+ speed = B1500000;
+ else if (g_str_equal(baud, "2000000"))
+ speed = B2000000;
+ else if (g_str_equal(baud, "2500000"))
+ speed = B2500000;
+ else if (g_str_equal(baud, "3000000"))
+ speed = B3000000;
+ else if (g_str_equal(baud, "3500000"))
+ speed = B3500000;
+ else if (g_str_equal(baud, "4000000"))
+ speed = B4000000;
+ else
+ return FALSE;
+
+ cfsetospeed(ti, speed);
+ cfsetispeed(ti, speed);
+
+ return TRUE;
+}
+
+static gboolean set_stop_bits(const char *bits, struct termios *ti)
+{
+ if (g_str_equal(bits, "1"))
+ ti->c_cflag &= ~(CSTOPB);
+ else if (g_str_equal(bits, "2"))
+ ti->c_cflag |= CSTOPB;
+ else
+ return FALSE;
+
+ return TRUE;
+}
+
+static gboolean set_data_bits(const char *bits, struct termios *ti)
+{
+ if (g_str_equal(bits, "7")) {
+ ti->c_cflag &= ~(CSIZE);
+ ti->c_cflag |= CS7;
+ } else if (g_str_equal(bits, "8")) {
+ ti->c_cflag &= ~(CSIZE);
+ ti->c_cflag |= CS8;
+ } else
+ return FALSE;
+
+ return TRUE;
+}
+
+static gboolean set_parity(const char *parity, struct termios *ti)
+{
+ if (g_str_equal(parity, "none"))
+ ti->c_cflag &= ~(PARENB);
+ else if (g_str_equal(parity, "even")) {
+ ti->c_cflag |= PARENB;
+ ti->c_cflag &= ~(PARODD);
+ } else if (g_str_equal(parity, "odd")) {
+ ti->c_cflag |= PARENB;
+ ti->c_cflag |= PARODD;
+ } else
+ return FALSE;
+
+ return TRUE;
+}
+
+static gboolean set_xonxoff(const char *xonxoff, struct termios *ti)
+{
+ if (g_str_equal(xonxoff, "on")) {
+ ti->c_iflag |= (IXON | IXOFF | IXANY);
+ ti->c_cc[VSTART] = 17;
+ ti->c_cc[VSTOP] = 19;
+ } else if (g_str_equal(xonxoff, "off"))
+ ti->c_iflag &= ~(IXON | IXOFF | IXANY);
+ else
+ return FALSE;
+
+ return TRUE;
+}
+
+static gboolean set_rtscts(const char *rtscts, struct termios *ti)
+{
+ if (g_str_equal(rtscts, "on"))
+ ti->c_cflag |= CRTSCTS;
+ else if (g_str_equal(rtscts, "off"))
+ ti->c_cflag &= ~(CRTSCTS);
+ else
+ return FALSE;
+
+ return TRUE;
+}
+
+static gboolean set_local(const char *local, struct termios *ti)
+{
+ if (g_str_equal(local, "on"))
+ ti->c_cflag |= CLOCAL;
+ else if (g_str_equal(local, "off"))
+ ti->c_cflag &= ~(CLOCAL);
+ else
+ return FALSE;
+
+ return TRUE;
+}
+
+static int open_device(const char *tty, GHashTable *options)
+{
+ struct termios ti;
+ int fd;
+
+ /* Switch TTY to raw mode */
+ memset(&ti, 0, sizeof(ti));
+ cfmakeraw(&ti);
+
+ if (options) {
+ GHashTableIter iter;
+ const char *key;
+ const char *value;
+
+ g_hash_table_iter_init (&iter, options);
+ while (g_hash_table_iter_next(&iter, (void *) &key,
+ (void *) &value)) {
+ gboolean ok = FALSE;
+
+ if (g_str_equal(key, "baud"))
+ ok = set_baud(value, &ti);
+ else if (g_str_equal(key, "stopbits"))
+ ok = set_stop_bits(value, &ti);
+ else if (g_str_equal(key, "databits"))
+ ok = set_data_bits(value, &ti);
+ else if (g_str_equal(key, "parity"))
+ ok = set_parity(value, &ti);
+ else if (g_str_equal(key, "xonxoff"))
+ ok = set_xonxoff(value, &ti);
+ else if (g_str_equal(key, "rtscts"))
+ ok = set_rtscts(value, &ti);
+ else if (g_str_equal(key, "local"))
+ ok = set_local(value, &ti);
+
+ if (ok == FALSE)
+ return -1;
+ }
+ }
+
+ fd = open(tty, O_RDWR | O_NOCTTY | O_NONBLOCK);
+ if (fd < 0)
+ return -1;
+
+ tcflush(fd, TCIOFLUSH);
+ tcsetattr(fd, TCSANOW, &ti);
+
+ return fd;
+}
+
+GIOChannel *g_at_tty_open(const char *tty, GHashTable *options)
+{
+ GIOChannel *channel;
+ int fd;
+
+ fd = open_device(tty, options);
+ if (fd < 0)
+ return NULL;
+
+ channel = g_io_channel_unix_new(fd);
+
+ if (channel == NULL) {
+ close(fd);
+ return NULL;
+ }
+
+ g_io_channel_set_close_on_unref(channel, TRUE);
+
+ return channel;
+}
diff --git a/gatchat/gattty.h b/gatchat/gattty.h
new file mode 100644
index 00000000..861c4d71
--- /dev/null
+++ b/gatchat/gattty.h
@@ -0,0 +1,49 @@
+/*
+ *
+ * AT chat library with GLib integration
+ *
+ * Copyright (C) 2008-2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __GATTTY_H
+#define __GATTTY_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*!
+ * Opens a serial port given by tty. If options is NULL, then the serial port
+ * is opened in raw mode. Otherwise the options are parsed and set accordingly
+ *
+ * The following keys / values are recognized (all strings)
+ *
+ * "baud" - "300", "600", etc
+ * "stopbits" - "1", "2"
+ * "databits" - "7", "8"
+ * "parity" - "none", "odd", "even"
+ * "xonxoff" - "on", "off"
+ * "rtscts" - "on", "off"
+ * "local" - "on", "off"
+ */
+GIOChannel *g_at_tty_open(const char *tty, GHashTable *options);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __GATTTY_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 00:27:51 +0000