Re: [PATCH v7 1/8] core: device: add device_set_rssi_with_delta

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Hi Jakub,

> On Tue, Mar 31, 2015 at 12:33 AM, Jakub Pawlowski <jpawlowski@xxxxxxxxxx> wrote:
> This patch adds new method that allow to update RSSI value with
> given delta threshold. It will be used in upcoming patches with
> SetDiscoveryFilter, in order to disable delta threshold.
> ---
>  src/device.c | 14 +++++++++++---
>  src/device.h |  2 ++
>  2 files changed, 13 insertions(+), 3 deletions(-)
>
> diff --git a/src/device.c b/src/device.c
> index 8ad62d3..91dea27 100644
> --- a/src/device.c
> +++ b/src/device.c
> @@ -83,6 +83,8 @@
>  #define MIN(a, b) ((a) < (b) ? (a) : (b))
>  #endif
>
> +#define RSSI_THRESHOLD         8
> +
>  static DBusConnection *dbus_conn = NULL;
>  static unsigned service_state_cb_id;
>
> @@ -4547,7 +4549,8 @@ void device_set_legacy(struct btd_device *device, bool legacy)
>                                         DEVICE_INTERFACE, "LegacyPairing");
>  }
>
> -void device_set_rssi(struct btd_device *device, int8_t rssi)
> +void device_set_rssi_with_delta(struct btd_device *device, int8_t rssi,
> +                                                       int8_t delta_threshold)
>  {
>         if (!device)
>                 return;
> @@ -4567,8 +4570,8 @@ void device_set_rssi(struct btd_device *device, int8_t rssi)
>                 else
>                         delta = rssi - device->rssi;
>
> -               /* only report changes of 8 dBm or more */
> -               if (delta < 8)
> +               /* only report changes of delta_threshold dBm or more */
> +               if (delta < delta_threshold)
>                         return;
>
>                 DBG("rssi %d delta %d", rssi, delta);
> @@ -4580,6 +4583,11 @@ void device_set_rssi(struct btd_device *device, int8_t rssi)
>                                                 DEVICE_INTERFACE, "RSSI");
>  }
>
> +void device_set_rssi(struct btd_device *device, int8_t rssi)
> +{
> +       device_set_rssi_with_delta(device, rssi, RSSI_THRESHOLD);
> +}
> +
>  static gboolean start_discovery(gpointer user_data)
>  {
>         struct btd_device *device = user_data;
> diff --git a/src/device.h b/src/device.h
> index b17f53a..9e86469 100644
> --- a/src/device.h
> +++ b/src/device.h
> @@ -90,6 +90,8 @@ void btd_device_set_temporary(struct btd_device *device, bool temporary);
>  void btd_device_set_trusted(struct btd_device *device, gboolean trusted);
>  void device_set_bonded(struct btd_device *device, uint8_t bdaddr_type);
>  void device_set_legacy(struct btd_device *device, bool legacy);
> +void device_set_rssi_with_delta(struct btd_device *device, int8_t rssi,
> +                                                       int8_t delta_threshold);
>  void device_set_rssi(struct btd_device *device, int8_t rssi);
>  bool btd_device_is_connected(struct btd_device *dev);
>  uint8_t btd_device_get_bdaddr_type(struct btd_device *dev);
> --
> 2.2.0.rc0.207.ga3a616c
>
> --
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Patches 1-7 in this series have been applied. Please work on Luiz's
comments on the client command before we go forward there.

Thanks,
Arman
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