Re: [PATCH 2/5] android/handsfree-client: Add handle incoming SCO connection

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Hi Łukasz,

On Tuesday 25 November 2014 11:47:25 Lukasz Rymanowski wrote:
> ---
>  android/handsfree-client.c | 93
> ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 93
> insertions(+)
> 
> diff --git a/android/handsfree-client.c b/android/handsfree-client.c
> index 9e67c7f..432b9a1 100644
> --- a/android/handsfree-client.c
> +++ b/android/handsfree-client.c
> @@ -116,6 +116,7 @@ struct device {
>  	bdaddr_t bdaddr;
>  	struct hfp_hf *hf;
>  	uint8_t state;
> +	uint8_t audio_state;
> 
>  	uint8_t negotiated_codec;
>  	uint32_t features;
> @@ -184,6 +185,7 @@ static struct device *device_create(const bdaddr_t
> *bdaddr)
> 
>  	bacpy(&dev->bdaddr, bdaddr);
>  	dev->state = HAL_HF_CLIENT_CONN_STATE_DISCONNECTED;
> +	dev->audio_state = HAL_HF_CLIENT_AUDIO_STATE_DISCONNECTED;
> 
>  	init_codecs(dev);
> 
> @@ -2009,6 +2011,93 @@ static void cleanup_hfp_hf(void)
>  	}
>  }
> 
> +static void set_audio_state(struct device *dev, uint8_t state)
> +{
> +	struct hal_ev_hf_client_audio_state ev;
> +	char address[18];
> +
> +	if (dev->audio_state == state)
> +		return;
> +
> +	dev->audio_state = state;
> +
> +	ba2str(&dev->bdaddr, address);
> +	DBG("device %s audio state %u", address, state);
> +
> +	bdaddr2android(&dev->bdaddr, ev.bdaddr);
> +	ev.state = state;
> +
> +	ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
> +				HAL_EV_HF_CLIENT_AUDIO_STATE, sizeof(ev), &ev);
> +}
> +
> +static bool confirm_sco_cb(const bdaddr_t *addr, uint16_t *voice_settings)
> +{
> +	struct device *dev;
> +
> +	DBG("");
> +
> +	dev = find_device(addr);
> +	if (!dev || dev->state != HAL_HF_CLIENT_CONN_STATE_SLC_CONNECTED) {
> +		error("hf-client: No device or SLC not ready");
> +		return false;
> +	}
> +
> +	set_audio_state(dev, HAL_HF_CLIENT_AUDIO_STATE_CONNECTING);
> +
> +	if (!(codec_negotiation_supported(dev)))

Those extra brackets are not needed.

> +		*voice_settings = 0;
> +	else if (dev->negotiated_codec != CODEC_ID_CVSD)
> +		*voice_settings = BT_VOICE_TRANSPARENT;
> +	else
> +		*voice_settings = BT_VOICE_CVSD_16BIT;
> +
> +	return true;
> +}
> +
> +static void connect_sco_cb(enum sco_status status, const bdaddr_t *addr)
> +{
> +	struct device *dev;
> +	uint8_t audio_state;
> +
> +	DBG("SCO Status %u", status);
> +
> +	/* Device shall be there, just sanity check */
> +	dev = find_device(addr);
> +	if (!dev) {
> +		error("hf-client: There is no device?");
> +		return;
> +	}
> +
> +	if (status != SCO_STATUS_OK) {
> +		audio_state = HAL_HF_CLIENT_AUDIO_STATE_DISCONNECTED;
> +		goto done;
> +	}
> +
> +	if (dev->negotiated_codec == CODEC_ID_MSBC)
> +		audio_state = HAL_HF_CLIENT_AUDIO_STATE_CONNECTED_MSBC;
> +	else
> +		audio_state = HAL_HF_CLIENT_AUDIO_STATE_CONNECTED;
> +
> +done:
> +	set_audio_state(dev, audio_state);
> +}
> +
> +static void disconnect_sco_cb(const bdaddr_t *addr)
> +{
> +	struct device *dev;
> +
> +	DBG("");
> +
> +	dev = get_device(addr);
> +	if (!dev) {
> +		error("hf-client: No device");
> +		return;
> +	}
> +
> +	set_audio_state(dev, HAL_HF_CLIENT_AUDIO_STATE_DISCONNECTED);
> +}
> +
>  bool bt_hf_client_register(struct ipc *ipc, const bdaddr_t *addr)
>  {
>  	DBG("");
> @@ -2030,6 +2119,10 @@ bool bt_hf_client_register(struct ipc *ipc, const
> bdaddr_t *addr) goto failed;
>  	}
> 
> +	bt_sco_set_confirm_cb(sco, confirm_sco_cb);
> +	bt_sco_set_connect_cb(sco, connect_sco_cb);
> +	bt_sco_set_disconnect_cb(sco, disconnect_sco_cb);
> +
>  	hal_ipc = ipc;
>  	ipc_register(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT, cmd_handlers,
>  						G_N_ELEMENTS(cmd_handlers));

-- 
Szymon K. Janc
szymon.janc@xxxxxxxxx
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