[PATCH] Enable GPS_UNMANAGED for Huawei modems (revised 2)

David McCullough david.mccullough at accelecon.com
Fri Jul 4 08:23:27 PDT 2014


Aleksander Morgado wrote the following:
> On Fri, Jul 4, 2014 at 5:04 PM, David McCullough
> <david.mccullough at accelecon.com> wrote:
> >
> > Hi all,
> >
> > Here is the 2nd revised version of the GPS Unmanaged patch for Huawei that
> > fixes the issues Aleksander has pointed out so far, brings the code more
> > into line with the option/hso code, and rebased to current head of master.
> >
> > Tested this one and the GPS port is closed when unmanaged mode is active
> > and the NMEA trace comes out on the GPS port just fine.
> >
> > Cheers,
> > Davidm
> >
> > Signed-off-by: David McCullough <david.mccullough at accelecon.com>
> >
> > ---
> >  plugins/huawei/mm-broadband-modem-huawei.c | 137 ++++++++++++++++-------------
> >  1 file changed, 78 insertions(+), 59 deletions(-)
> >
> > diff --git a/plugins/huawei/mm-broadband-modem-huawei.c b/plugins/huawei/mm-broadband-modem-huawei.c
> > index c2e464d..b0259ad 100644
> > --- a/plugins/huawei/mm-broadband-modem-huawei.c
> > +++ b/plugins/huawei/mm-broadband-modem-huawei.c
> > @@ -3211,7 +3211,9 @@ parent_load_capabilities_ready (MMIfaceModemLocation *self,
> >
> >      /* not sure how to check if GPS is supported, just allow it */
> >      if (mm_base_modem_peek_port_gps (MM_BASE_MODEM (self)))
> > -        sources |= (MM_MODEM_LOCATION_SOURCE_GPS_NMEA | MM_MODEM_LOCATION_SOURCE_GPS_RAW);
> > +        sources |= (MM_MODEM_LOCATION_SOURCE_GPS_NMEA |
> > +                    MM_MODEM_LOCATION_SOURCE_GPS_RAW  |
> > +                    MM_MODEM_LOCATION_SOURCE_GPS_UNMANAGED);
> >
> >      /* So we're done, complete */
> >      g_simple_async_result_set_op_res_gpointer (simple,
> > @@ -3240,7 +3242,26 @@ location_load_capabilities (MMIfaceModemLocation *self,
> >  }
> >
> >  /*****************************************************************************/
> > -/* Disable location gathering (Location interface) */
> > +/* Enable/Disable location gathering (Location interface) */
> > +
> > +typedef struct {
> > +    MMBroadbandModemHuawei *self;
> > +    GSimpleAsyncResult *result;
> > +    MMModemLocationSource source;
> > +    int idx;
> > +} LocationGatheringContext;
> > +
> > +static void
> > +location_gathering_context_complete_and_free (LocationGatheringContext *ctx)
> > +{
> > +    g_simple_async_result_complete_in_idle (ctx->result);
> > +    g_object_unref (ctx->result);
> > +    g_object_unref (ctx->self);
> > +    g_slice_free (LocationGatheringContext, ctx);
> > +}
> > +
> > +/******************************/
> > +/* Disable location gathering */
> >
> >  static gboolean
> >  disable_location_gathering_finish (MMIfaceModemLocation *self,
> > @@ -3253,23 +3274,26 @@ disable_location_gathering_finish (MMIfaceModemLocation *self,
> >  static void
> >  gps_disabled_ready (MMBaseModem *self,
> >                      GAsyncResult *res,
> > -                    GSimpleAsyncResult *simple)
> > +                    LocationGatheringContext *ctx)
> >  {
> >      MMPortSerialGps *gps_port;
> >      GError *error = NULL;
> >
> >      if (!mm_base_modem_at_command_full_finish (self, res, &error))
> > -        g_simple_async_result_take_error (simple, error);
> > +        g_simple_async_result_take_error (ctx->result, error);
> >      else
> > -        g_simple_async_result_set_op_res_gboolean (simple, TRUE);
> > +        g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
> >
> > -    /* Even if we get an error here, we try to close the GPS port */
> > -    gps_port = mm_base_modem_peek_port_gps (self);
> > -    if (gps_port)
> > -        mm_port_serial_close (MM_PORT_SERIAL (gps_port));
> > +    /* Only use the GPS port in NMEA/RAW setups */
> > +    if (ctx->source & (MM_MODEM_LOCATION_SOURCE_GPS_NMEA |
> > +                       MM_MODEM_LOCATION_SOURCE_GPS_RAW)) {
> > +        /* Even if we get an error here, we try to close the GPS port */
> > +        gps_port = mm_base_modem_peek_port_gps (self);
> > +        if (gps_port)
> > +            mm_port_serial_close (MM_PORT_SERIAL (gps_port));
> > +    }
> >
> > -    g_simple_async_result_complete (simple);
> > -    g_object_unref (simple);
> > +    location_gathering_context_complete_and_free (ctx);
> >  }
> >
> >  static void
> > @@ -3279,21 +3303,26 @@ disable_location_gathering (MMIfaceModemLocation *_self,
> >                              gpointer user_data)
> >  {
> >      MMBroadbandModemHuawei *self = MM_BROADBAND_MODEM_HUAWEI (_self);
> > -    GSimpleAsyncResult *result;
> >      gboolean stop_gps = FALSE;
> > +    LocationGatheringContext *ctx;
> >
> > -    result = g_simple_async_result_new (G_OBJECT (_self),
> > -                                        callback,
> > -                                        user_data,
> > -                                        disable_location_gathering);
> > +    ctx = g_slice_new (LocationGatheringContext);
> > +    ctx->self = g_object_ref (self);
> > +    ctx->result = g_simple_async_result_new (G_OBJECT (self),
> > +                                             callback,
> > +                                             user_data,
> > +                                             disable_location_gathering);
> > +    ctx->source = source;
> >
> >      /* Only stop GPS engine if no GPS-related sources enabled */
> >      if (source & (MM_MODEM_LOCATION_SOURCE_GPS_NMEA |
> > -                  MM_MODEM_LOCATION_SOURCE_GPS_RAW)) {
> > +                  MM_MODEM_LOCATION_SOURCE_GPS_RAW |
> > +                  MM_MODEM_LOCATION_SOURCE_GPS_UNMANAGED)) {
> >          self->priv->enabled_sources &= ~source;
> >
> >          if (!(self->priv->enabled_sources & (MM_MODEM_LOCATION_SOURCE_GPS_NMEA |
> > -                                            MM_MODEM_LOCATION_SOURCE_GPS_RAW)))
> > +                                             MM_MODEM_LOCATION_SOURCE_GPS_RAW |
> > +                                             MM_MODEM_LOCATION_SOURCE_GPS_UNMANAGED)))
> >              stop_gps = TRUE;
> >      }
> >
> > @@ -3306,35 +3335,18 @@ disable_location_gathering (MMIfaceModemLocation *_self,
> >                                         FALSE, /* raw */
> >                                         NULL, /* cancellable */
> >                                         (GAsyncReadyCallback)gps_disabled_ready,
> > -                                       result);
> > +                                       ctx);
> >          return;
> >      }
> >
> >      /* For any other location (e.g. 3GPP), or if still some GPS needed, just return */
> > -    g_simple_async_result_set_op_res_gboolean (result, TRUE);
> > -    g_simple_async_result_complete_in_idle (result);
> > -    g_object_unref (result);
> > +    g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
> > +    location_gathering_context_complete_and_free (ctx);
> >  }
> >
> >  /*****************************************************************************/
> >  /* Enable location gathering (Location interface) */
> >
> > -typedef struct {
> > -    MMBroadbandModemHuawei *self;
> > -    GSimpleAsyncResult *result;
> > -    MMModemLocationSource source;
> > -    int idx;
> > -} EnableLocationGatheringContext;
> > -
> > -static void
> > -enable_location_gathering_context_complete_and_free (EnableLocationGatheringContext *ctx)
> > -{
> > -    g_simple_async_result_complete (ctx->result);
> > -    g_object_unref (ctx->result);
> > -    g_object_unref (ctx->self);
> > -    g_free (ctx);
> > -}
> > -
> >  static gboolean
> >  enable_location_gathering_finish (MMIfaceModemLocation *self,
> >                                    GAsyncResult *res,
> > @@ -3354,7 +3366,7 @@ static char *gps_startup[] = {
> >  static void
> >  gps_enabled_ready (MMBaseModem *self,
> >                     GAsyncResult *res,
> > -                   EnableLocationGatheringContext *ctx)
> > +                   LocationGatheringContext *ctx)
> >  {
> >      GError *error = NULL;
> >      MMPortSerialGps *gps_port;
> > @@ -3362,11 +3374,11 @@ gps_enabled_ready (MMBaseModem *self,
> >      if (!mm_base_modem_at_command_full_finish (self, res, &error)) {
> >          ctx->idx = 0;
> >          g_simple_async_result_take_error (ctx->result, error);
> > -        enable_location_gathering_context_complete_and_free (ctx);
> > +        location_gathering_context_complete_and_free (ctx);
> >          return;
> >      }
> >
> > -    /* ctx->idx++; */
> > +    /* ctx->idx++; make sure ctx->idx is a valid command */
> >      if (gps_startup[ctx->idx++] && gps_startup[ctx->idx]) {
> >         mm_base_modem_at_command_full (MM_BASE_MODEM (self),
> >                                        mm_base_modem_peek_port_primary (MM_BASE_MODEM (self)),
> > @@ -3380,33 +3392,38 @@ gps_enabled_ready (MMBaseModem *self,
> >         return;
> >      }
> >
> > -    gps_port = mm_base_modem_peek_port_gps (self);
> > -    if (!gps_port ||
> > -        !mm_port_serial_open (MM_PORT_SERIAL (gps_port), &error)) {
> > -        if (error)
> > -            g_simple_async_result_take_error (ctx->result, error);
> > -        else
> > -            g_simple_async_result_set_error (ctx->result,
> > -                                             MM_CORE_ERROR,
> > -                                             MM_CORE_ERROR_FAILED,
> > -                                             "Couldn't open raw GPS serial port");
> > +    /* Only use the GPS port in NMEA/RAW setups */
> > +    if (ctx->source & (MM_MODEM_LOCATION_SOURCE_GPS_NMEA |
> > +                       MM_MODEM_LOCATION_SOURCE_GPS_RAW)) {
> > +        gps_port = mm_base_modem_peek_port_gps (self);
> > +        if (!gps_port ||
> > +            !mm_port_serial_open (MM_PORT_SERIAL (gps_port), &error)) {
> > +            if (error)
> > +                g_simple_async_result_take_error (ctx->result, error);
> > +            else
> > +                g_simple_async_result_set_error (ctx->result,
> > +                                                 MM_CORE_ERROR,
> > +                                                 MM_CORE_ERROR_FAILED,
> > +                                                 "Couldn't open raw GPS serial port");
> > +        } else
> > +            g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
> >      } else
> >          g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
> >
> > -    enable_location_gathering_context_complete_and_free (ctx);
> > +    location_gathering_context_complete_and_free (ctx);
> >  }
> >
> >  static void
> >  parent_enable_location_gathering_ready (MMIfaceModemLocation *self,
> >                                          GAsyncResult *res,
> > -                                        EnableLocationGatheringContext *ctx)
> > +                                        LocationGatheringContext *ctx)
> >  {
> >      gboolean start_gps = FALSE;
> >      GError *error = NULL;
> >
> >      if (!iface_modem_location_parent->enable_location_gathering_finish (self, res, &error)) {
> >          g_simple_async_result_take_error (ctx->result, error);
> > -        enable_location_gathering_context_complete_and_free (ctx);
> > +        location_gathering_context_complete_and_free (ctx);
> >          return;
> >      }
> >
> > @@ -3414,10 +3431,12 @@ parent_enable_location_gathering_ready (MMIfaceModemLocation *self,
> >
> >      /* NMEA and RAW are both enabled in the same way */
> >      if (ctx->source & (MM_MODEM_LOCATION_SOURCE_GPS_NMEA |
> > -                       MM_MODEM_LOCATION_SOURCE_GPS_RAW)) {
> > +                       MM_MODEM_LOCATION_SOURCE_GPS_RAW |
> > +                       MM_MODEM_LOCATION_SOURCE_GPS_UNMANAGED)) {
> >          /* Only start GPS engine if not done already */
> >          if (!(ctx->self->priv->enabled_sources & (MM_MODEM_LOCATION_SOURCE_GPS_NMEA |
> > -                                                  MM_MODEM_LOCATION_SOURCE_GPS_RAW)))
> > +                                                  MM_MODEM_LOCATION_SOURCE_GPS_RAW |
> > +                                                  MM_MODEM_LOCATION_SOURCE_GPS_UNMANAGED)))
> >              start_gps = TRUE;
> >          ctx->self->priv->enabled_sources |= ctx->source;
> >      }
> > @@ -3437,7 +3456,7 @@ parent_enable_location_gathering_ready (MMIfaceModemLocation *self,
> >
> >      /* For any other location (e.g. 3GPP), or if GPS already running just return */
> >      g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
> > -    enable_location_gathering_context_complete_and_free (ctx);
> > +    location_gathering_context_complete_and_free (ctx);
> >  }
> >
> >  static void
> > @@ -3446,9 +3465,9 @@ enable_location_gathering (MMIfaceModemLocation *self,
> >                             GAsyncReadyCallback callback,
> >                             gpointer user_data)
> >  {
> > -    EnableLocationGatheringContext *ctx;
> > +    LocationGatheringContext *ctx;
> >
> > -    ctx = g_new (EnableLocationGatheringContext, 1);
> > +    ctx = g_slice_new (LocationGatheringContext, 1);
> 
> 
> I bet it doesn't compile :)

You would be right,  just hit that myself :-(  Sorry,  getting late and I
should have quit.  I thought I had built it but I was fixing the rebase
at that point then I added the g_slice_new and stuffed it,

Round 3 coming your way.  Thanks for your patience.

Cheers,
Davidm

> 
> Format is g_slice_new(type) (i.e. only type given, "1" is assumed).
> 
> 
> >      ctx->self = g_object_ref (self);
> >      ctx->result = g_simple_async_result_new (G_OBJECT (self),
> >                                               callback,
> > --
> > 1.8.2.rc0
> 
> 
> 
> -- 
> Aleksander
> https://aleksander.es

-- 
David McCullough,  david.mccullough at accelecon.com,   Ph: 0410 560 763


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