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-rw-r--r--src/mm-port-serial.c112
1 files changed, 64 insertions, 48 deletions
diff --git a/src/mm-port-serial.c b/src/mm-port-serial.c
index 85bb95f3..47bcce4b 100644
--- a/src/mm-port-serial.c
+++ b/src/mm-port-serial.c
@@ -177,7 +177,7 @@ mm_port_serial_command (MMPortSerial *self,
ctx->cancellable = (cancellable ? g_object_ref (cancellable) : NULL);
/* Only accept about 3 seconds of EAGAIN for this command */
- if (self->priv->send_delay)
+ if (self->priv->send_delay && mm_port_get_subsys (MM_PORT (self)) == MM_PORT_SUBSYS_TTY)
ctx->eagain_count = 3000000 / self->priv->send_delay;
else
ctx->eagain_count = 1000;
@@ -429,6 +429,10 @@ real_config_fd (MMPortSerial *self, int fd, GError **error)
int parity;
int stopbits;
+ /* No setup if not a tty */
+ if (mm_port_get_subsys (MM_PORT (self)) != MM_PORT_SUBSYS_TTY)
+ return TRUE;
+
speed = parse_baudrate (self->priv->baud);
bits = parse_bits (self->priv->bits);
parity = parse_parity (self->priv->parity);
@@ -541,7 +545,7 @@ port_serial_process_command (MMPortSerial *self,
serial_debug (self, "-->", (const char *) ctx->command->data, ctx->command->len);
}
- if (self->priv->send_delay == 0) {
+ if (self->priv->send_delay == 0 || mm_port_get_subsys (MM_PORT (self)) != MM_PORT_SUBSYS_TTY) {
/* Send the whole command in one write */
send_len = expected_status = ctx->command->len;
p = ctx->command->data;
@@ -763,7 +767,10 @@ port_serial_queue_process (gpointer data)
/* Schedule the next byte of the command to be sent */
if (!ctx->done) {
- port_serial_schedule_queue_process (self, self->priv->send_delay / 1000);
+ port_serial_schedule_queue_process (self,
+ (mm_port_get_subsys (MM_PORT (self)) == MM_PORT_SUBSYS_TTY ?
+ self->priv->send_delay / 1000 :
+ 0));
return FALSE;
}
@@ -992,23 +999,38 @@ mm_port_serial_open (MMPortSerial *self, GError **error)
return FALSE;
}
- if (ioctl (self->priv->fd, TIOCEXCL) < 0) {
- errno_save = errno;
- g_set_error (error, MM_SERIAL_ERROR, MM_SERIAL_ERROR_OPEN_FAILED,
- "Could not lock serial device %s: %s", device, strerror (errno_save));
- mm_warn ("(%s) could not lock serial device (%d)", device, errno_save);
- goto error;
- }
+ /* Serial port specific setup */
+ if (mm_port_get_subsys (MM_PORT (self)) == MM_PORT_SUBSYS_TTY) {
+ /* Try to lock serial device */
+ if (ioctl (self->priv->fd, TIOCEXCL) < 0) {
+ errno_save = errno;
+ g_set_error (error, MM_SERIAL_ERROR, MM_SERIAL_ERROR_OPEN_FAILED,
+ "Could not lock serial device %s: %s", device, strerror (errno_save));
+ mm_warn ("(%s) could not lock serial device (%d)", device, errno_save);
+ goto error;
+ }
- /* Flush any waiting IO */
- tcflush (self->priv->fd, TCIOFLUSH);
+ /* Flush any waiting IO */
+ tcflush (self->priv->fd, TCIOFLUSH);
- if (tcgetattr (self->priv->fd, &self->priv->old_t) < 0) {
- errno_save = errno;
- g_set_error (error, MM_SERIAL_ERROR, MM_SERIAL_ERROR_OPEN_FAILED,
- "Could not set attributes on serial device %s: %s", device, strerror (errno_save));
- mm_warn ("(%s) could not set attributes on serial device (%d)", device, errno_save);
- goto error;
+ if (tcgetattr (self->priv->fd, &self->priv->old_t) < 0) {
+ errno_save = errno;
+ g_set_error (error, MM_SERIAL_ERROR, MM_SERIAL_ERROR_OPEN_FAILED,
+ "Could not set attributes on serial device %s: %s", device, strerror (errno_save));
+ mm_warn ("(%s) could not set attributes on serial device (%d)", device, errno_save);
+ goto error;
+ }
+
+ /* Don't wait for pending data when closing the port; this can cause some
+ * stupid devices that don't respond to URBs on a particular port to hang
+ * for 30 seconds when probing fails. See GNOME bug #630670.
+ */
+ if (ioctl (self->priv->fd, TIOCGSERIAL, &sinfo) == 0) {
+ sinfo.closing_wait = ASYNC_CLOSING_WAIT_NONE;
+ if (ioctl (self->priv->fd, TIOCSSERIAL, &sinfo) < 0)
+ mm_warn ("(%s): couldn't set serial port closing_wait to none: %s",
+ device, g_strerror (errno));
+ }
}
g_warn_if_fail (MM_PORT_SERIAL_GET_CLASS (self)->config_fd);
@@ -1017,17 +1039,6 @@ mm_port_serial_open (MMPortSerial *self, GError **error)
goto error;
}
- /* Don't wait for pending data when closing the port; this can cause some
- * stupid devices that don't respond to URBs on a particular port to hang
- * for 30 seconds when probing fails. See GNOME bug #630670.
- */
- if (ioctl (self->priv->fd, TIOCGSERIAL, &sinfo) == 0) {
- sinfo.closing_wait = ASYNC_CLOSING_WAIT_NONE;
- if (ioctl (self->priv->fd, TIOCSSERIAL, &sinfo) < 0)
- mm_warn ("(%s): couldn't set serial port closing_wait to none: %s",
- device, g_strerror (errno));
- }
-
g_get_current_time (&tv_end);
if (tv_end.tv_sec - tv_start.tv_sec > 7)
@@ -1108,21 +1119,7 @@ mm_port_serial_close (MMPortSerial *self)
mm_port_set_connected (MM_PORT (self), FALSE);
- /* Paranoid: ensure our closing_wait value is still set so we ignore
- * pending data when closing the port. See GNOME bug #630670.
- */
- if (ioctl (self->priv->fd, TIOCGSERIAL, &sinfo) == 0) {
- if (sinfo.closing_wait != ASYNC_CLOSING_WAIT_NONE) {
- mm_warn ("(%s): serial port closing_wait was reset!", device);
- sinfo.closing_wait = ASYNC_CLOSING_WAIT_NONE;
- if (ioctl (self->priv->fd, TIOCSSERIAL, &sinfo) < 0)
- mm_warn ("(%s): couldn't set serial port closing_wait to none: %s",
- device, g_strerror (errno));
- }
- }
-
- g_get_current_time (&tv_start);
-
+ /* Destroy channel */
if (self->priv->channel) {
data_watch_enable (self, FALSE);
g_io_channel_shutdown (self->priv->channel, TRUE, NULL);
@@ -1130,8 +1127,27 @@ mm_port_serial_close (MMPortSerial *self)
self->priv->channel = NULL;
}
- tcsetattr (self->priv->fd, TCSANOW, &self->priv->old_t);
- tcflush (self->priv->fd, TCIOFLUSH);
+ g_get_current_time (&tv_start);
+
+ /* Serial port specific setup */
+ if (mm_port_get_subsys (MM_PORT (self)) == MM_PORT_SUBSYS_TTY) {
+ /* Paranoid: ensure our closing_wait value is still set so we ignore
+ * pending data when closing the port. See GNOME bug #630670.
+ */
+ if (ioctl (self->priv->fd, TIOCGSERIAL, &sinfo) == 0) {
+ if (sinfo.closing_wait != ASYNC_CLOSING_WAIT_NONE) {
+ mm_warn ("(%s): serial port closing_wait was reset!", device);
+ sinfo.closing_wait = ASYNC_CLOSING_WAIT_NONE;
+ if (ioctl (self->priv->fd, TIOCSSERIAL, &sinfo) < 0)
+ mm_warn ("(%s): couldn't set serial port closing_wait to none: %s",
+ device, g_strerror (errno));
+ }
+ }
+
+ tcsetattr (self->priv->fd, TCSANOW, &self->priv->old_t);
+ tcflush (self->priv->fd, TCIOFLUSH);
+ }
+
close (self->priv->fd);
self->priv->fd = -1;
@@ -1485,7 +1501,7 @@ flash_do (MMPortSerial *self)
ctx->flash_id = 0;
- if (self->priv->flash_ok) {
+ if (self->priv->flash_ok || mm_port_get_subsys (MM_PORT (self)) == MM_PORT_SUBSYS_TTY) {
if (ctx->current_speed) {
if (!set_speed (ctx->self, ctx->current_speed, &error))
g_assert (error);
@@ -1544,7 +1560,7 @@ mm_port_serial_flash (MMPortSerial *self,
return;
}
- if (!self->priv->flash_ok) {
+ if (!self->priv->flash_ok || mm_port_get_subsys (MM_PORT (self)) != MM_PORT_SUBSYS_TTY) {
self->priv->flash_ctx = ctx;
ctx->flash_id = g_idle_add ((GSourceFunc)flash_do, self);
return;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-06-07 15:55:56 +0000