static void
try_qcdm_probe (MMPluginBaseSupportsTask *task)
{
MMPluginBaseSupportsTaskPrivate *priv = MM_PLUGIN_BASE_SUPPORTS_TASK_GET_PRIVATE (task);
const char *name;
GError *error = NULL;
GByteArray *verinfo = NULL, *verinfo2;
gint len;
/* Close the AT port */
if (priv->probe_port) {
mm_serial_port_close (MM_SERIAL_PORT (priv->probe_port));
g_object_unref (priv->probe_port);
priv->probe_port = NULL;
}
/* Open the QCDM port */
name = g_udev_device_get_name (priv->port);
g_assert (name);
priv->qcdm_port = mm_qcdm_serial_port_new (name, MM_PORT_TYPE_PRIMARY);
if (priv->qcdm_port == NULL) {
g_warning ("(%s) failed to create new QCDM serial port.", name);
probe_complete (task);
return;
}
if (!mm_serial_port_open (MM_SERIAL_PORT (priv->qcdm_port), &error)) {
g_warning ("(%s) failed to open new QCDM serial port: (%d) %s.",
name,
error ? error->code : -1,
error && error->message ? error->message : "(unknown)");
g_clear_error (&error);
probe_complete (task);
return;
}
/* Build up the probe command */
verinfo = g_byte_array_sized_new (50);
len = qcdm_cmd_version_info_new ((char *) verinfo->data, 50, &error);
if (len <= 0) {
g_byte_array_free (verinfo, TRUE);
g_warning ("(%s) failed to create QCDM version info command: (%d) %s.",
name,
error ? error->code : -1,
error && error->message ? error->message : "(unknown)");
g_clear_error (&error);
probe_complete (task);
return;
}
verinfo->len = len;
/* Queuing the command takes ownership over it; copy it for the second try */
verinfo2 = g_byte_array_sized_new (verinfo->len);
g_byte_array_append (verinfo2, verinfo->data, verinfo->len);
/* Send the command twice; the ports often need to be woken up */
mm_qcdm_serial_port_queue_command (priv->qcdm_port, verinfo, 3, qcdm_verinfo_cb, NULL);
mm_qcdm_serial_port_queue_command (priv->qcdm_port, verinfo2, 3, qcdm_verinfo_cb, task);
}
static gboolean
abort_async_if_port_unusable (MMBaseModem *self,
MMAtSerialPort *port,
GAsyncReadyCallback callback,
gpointer user_data)
{
GError *error = NULL;
/* If no port given, probably the port dissapeared */
if (!port) {
g_simple_async_report_error_in_idle (
G_OBJECT (self),
callback,
user_data,
MM_CORE_ERROR,
MM_CORE_ERROR_NOT_FOUND,
"Cannot run sequence: port not given");
return FALSE;
}
/* Ensure we don't try to use a connected port */
if (mm_port_get_connected (MM_PORT (port))) {
g_simple_async_report_error_in_idle (
G_OBJECT (self),
callback,
user_data,
MM_CORE_ERROR,
MM_CORE_ERROR_CONNECTED,
"Cannot run sequence: port is connected");
return FALSE;
}
/* Ensure we have a port open during the sequence */
if (!mm_serial_port_open (MM_SERIAL_PORT (port), &error)) {
g_simple_async_report_error_in_idle (
G_OBJECT (self),
callback,
user_data,
MM_CORE_ERROR,
MM_CORE_ERROR_CONNECTED,
"Cannot run sequence: '%s'",
error->message);
g_error_free (error);
return FALSE;
}
return TRUE;
}
static gboolean
try_open (gpointer user_data)
{
MMPluginBaseSupportsTask *task = MM_PLUGIN_BASE_SUPPORTS_TASK (user_data);
MMPluginBaseSupportsTaskPrivate *task_priv = MM_PLUGIN_BASE_SUPPORTS_TASK_GET_PRIVATE (task);
GError *error = NULL;
task_priv->open_id = 0;
if (!mm_serial_port_open (MM_SERIAL_PORT (task_priv->probe_port), &error)) {
if (++task_priv->open_tries > 4) {
/* took too long to open the port; give up */
g_warning ("(%s): failed to open after 4 tries.",
mm_port_get_device (MM_PORT (task_priv->probe_port)));
probe_complete (task);
} else if (g_error_matches (error,
MM_SERIAL_ERROR,
MM_SERIAL_ERROR_OPEN_FAILED_NO_DEVICE)) {
/* this is nozomi being dumb; try again */
task_priv->open_id = g_timeout_add_seconds (1, try_open, task);
} else {
/* some other hard error */
probe_complete (task);
}
g_clear_error (&error);
} else {
/* success, start probing */
GUdevDevice *port;
port = mm_plugin_base_supports_task_get_port (task);
g_assert (port);
task_priv->full_id = g_signal_connect (task_priv->probe_port, "buffer-full",
G_CALLBACK (port_buffer_full), task);
g_debug ("(%s): probe requested by plugin '%s'",
g_udev_device_get_name (port),
mm_plugin_get_name (MM_PLUGIN (task_priv->plugin)));
mm_serial_port_flash (MM_SERIAL_PORT (task_priv->probe_port), 100, TRUE, flash_done, task);
}
return FALSE;
}
static gboolean
serial_open_at (MMPortProbe *self)
{
PortProbeRunTask *task = self->priv->task;
GError *error = NULL;
task->source_id = 0;
/* If already cancelled, do nothing else */
if (port_probe_run_is_cancelled (self))
return FALSE;
/* Create AT serial port if not done before */
if (!task->serial) {
task->serial = MM_SERIAL_PORT (mm_at_serial_port_new (self->priv->name));
if (!task->serial) {
port_probe_run_task_complete (
task,
FALSE,
g_error_new (MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"(%s) couldn't create AT port",
self->priv->name));
return FALSE;
}
g_object_set (task->serial,
MM_SERIAL_PORT_SEND_DELAY, task->at_send_delay,
MM_PORT_CARRIER_DETECT, FALSE,
MM_SERIAL_PORT_SPEW_CONTROL, TRUE,
NULL);
mm_at_serial_port_set_response_parser (MM_AT_SERIAL_PORT (task->serial),
mm_serial_parser_v1_parse,
mm_serial_parser_v1_new (),
mm_serial_parser_v1_destroy);
}
/* Try to open the port */
if (!mm_serial_port_open (task->serial, &error)) {
/* Abort if maximum number of open tries reached */
if (++task->at_open_tries > 4) {
/* took too long to open the port; give up */
port_probe_run_task_complete (
task,
FALSE,
g_error_new (MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"(%s) failed to open port after 4 tries",
self->priv->name));
} else if (g_error_matches (error,
MM_SERIAL_ERROR,
MM_SERIAL_ERROR_OPEN_FAILED_NO_DEVICE)) {
/* this is nozomi being dumb; try again */
task->source_id = g_timeout_add_seconds (1,
(GSourceFunc)serial_open_at,
self);
} else {
port_probe_run_task_complete (
task,
FALSE,
g_error_new (MM_SERIAL_ERROR,
MM_SERIAL_ERROR_OPEN_FAILED,
"(%s) failed to open port: %s",
self->priv->name,
(error ? error->message : "unknown error")));
}
g_clear_error (&error);
return FALSE;
}
/* success, start probing */
task->buffer_full_id = g_signal_connect (task->serial,
"buffer-full",
G_CALLBACK (serial_buffer_full),
self);
mm_serial_port_flash (MM_SERIAL_PORT (task->serial),
100,
TRUE,
(MMSerialFlashFn)serial_flash_done,
self);
return FALSE;
}
static gboolean
serial_probe_qcdm (MMPortProbe *self)
{
PortProbeRunTask *task = self->priv->task;
GError *error = NULL;
GByteArray *verinfo = NULL;
GByteArray *verinfo2;
gint len;
task->source_id = 0;
/* If already cancelled, do nothing else */
if (port_probe_run_is_cancelled (self))
return FALSE;
mm_dbg ("(%s) probing QCDM...", self->priv->name);
/* If open, close the AT port */
if (task->serial) {
mm_serial_port_close (task->serial);
g_object_unref (task->serial);
}
/* Open the QCDM port */
task->serial = MM_SERIAL_PORT (mm_qcdm_serial_port_new (self->priv->name));
if (!task->serial) {
port_probe_run_task_complete (
task,
FALSE,
g_error_new (MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"(%s) Couldn't create QCDM port",
self->priv->name));
return FALSE;
}
/* Try to open the port */
if (!mm_serial_port_open (task->serial, &error)) {
port_probe_run_task_complete (
task,
FALSE,
g_error_new (MM_SERIAL_ERROR,
MM_SERIAL_ERROR_OPEN_FAILED,
"(%s) Failed to open QCDM port: %s",
self->priv->name,
(error ? error->message : "unknown error")));
g_clear_error (&error);
return FALSE;
}
/* Build up the probe command */
verinfo = g_byte_array_sized_new (50);
len = qcdm_cmd_version_info_new ((gchar *) verinfo->data, 50);
if (len <= 0) {
g_byte_array_free (verinfo, TRUE);
port_probe_run_task_complete (
task,
FALSE,
g_error_new (MM_SERIAL_ERROR,
MM_SERIAL_ERROR_OPEN_FAILED,
"(%s) Failed to create QCDM versin info command",
self->priv->name));
return FALSE;
}
verinfo->len = len;
/* Queuing the command takes ownership over it; dup it for the second try */
verinfo2 = g_byte_array_sized_new (verinfo->len);
g_byte_array_append (verinfo2, verinfo->data, verinfo->len);
/* Send the command twice; the ports often need to be woken up */
mm_qcdm_serial_port_queue_command (MM_QCDM_SERIAL_PORT (task->serial),
verinfo,
3,
NULL,
(MMQcdmSerialResponseFn)serial_probe_qcdm_parse_response,
NULL);
mm_qcdm_serial_port_queue_command (MM_QCDM_SERIAL_PORT (task->serial),
verinfo2,
3,
NULL,
(MMQcdmSerialResponseFn)serial_probe_qcdm_parse_response,
self);
return FALSE;
}
static gboolean
serial_probe_qcdm (MMPortProbe *self)
{
PortProbeRunTask *task = self->priv->task;
GError *error = NULL;
GByteArray *verinfo = NULL;
GByteArray *verinfo2;
gint len;
guint8 marker = 0x7E;
task->source_id = 0;
/* If already cancelled, do nothing else */
if (port_probe_run_is_cancelled (self))
return FALSE;
mm_dbg ("(%s/%s) probing QCDM...",
g_udev_device_get_subsystem (self->priv->port),
g_udev_device_get_name (self->priv->port));
/* If open, close the AT port */
if (task->serial) {
mm_serial_port_close (task->serial);
g_object_unref (task->serial);
}
/* Open the QCDM port */
task->serial = MM_SERIAL_PORT (mm_qcdm_serial_port_new (g_udev_device_get_name (self->priv->port)));
if (!task->serial) {
port_probe_run_task_complete (
task,
FALSE,
g_error_new (MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"(%s/%s) Couldn't create QCDM port",
g_udev_device_get_subsystem (self->priv->port),
g_udev_device_get_name (self->priv->port)));
return FALSE;
}
/* Try to open the port */
if (!mm_serial_port_open (task->serial, &error)) {
port_probe_run_task_complete (
task,
FALSE,
g_error_new (MM_SERIAL_ERROR,
MM_SERIAL_ERROR_OPEN_FAILED,
"(%s/%s) Failed to open QCDM port: %s",
g_udev_device_get_subsystem (self->priv->port),
g_udev_device_get_name (self->priv->port),
(error ? error->message : "unknown error")));
g_clear_error (&error);
return FALSE;
}
/* Build up the probe command; 0x7E is the frame marker, so put one at the
* beginning of the buffer to ensure that the device discards any AT
* commands that probing might have sent earlier. Should help devices
* respond more quickly and speed up QCDM probing.
*/
verinfo = g_byte_array_sized_new (10);
g_byte_array_append (verinfo, &marker, 1);
len = qcdm_cmd_version_info_new ((char *) (verinfo->data + 1), 9);
if (len <= 0) {
g_byte_array_free (verinfo, TRUE);
port_probe_run_task_complete (
task,
FALSE,
g_error_new (MM_SERIAL_ERROR,
MM_SERIAL_ERROR_OPEN_FAILED,
"(%s/%s) Failed to create QCDM versin info command",
g_udev_device_get_subsystem (self->priv->port),
g_udev_device_get_name (self->priv->port)));
return FALSE;
}
verinfo->len = len + 1;
/* Queuing the command takes ownership over it; save it for the second try */
verinfo2 = g_byte_array_sized_new (verinfo->len);
g_byte_array_append (verinfo2, verinfo->data, verinfo->len);
g_object_set_data_full (G_OBJECT (self), "cmd2", verinfo2, (GDestroyNotify) g_byte_array_unref);
mm_qcdm_serial_port_queue_command (MM_QCDM_SERIAL_PORT (task->serial),
verinfo,
3,
NULL,
(MMQcdmSerialResponseFn)serial_probe_qcdm_parse_response,
self);
return FALSE;
}
