Re: [PATCH 1/2] android/hal-avrcp-ctrl: Create separate HAL for AVRCP CTRL

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Hi Ravi,

On Tuesday 18 of November 2014 14:54:48 Ravi kumar Veeramally wrote:
> Moving AVRCP CTRL interface HAL related code to hal-avrcp-ctrl.c.
> Separate HAL for every interface.
> ---
>  android/Android.mk       |   1 +
>  android/Makefile.am      |   1 +
>  android/hal-avrcp-ctrl.c | 144 +++++++++++++++++++++++++++++++++++++++++++++++
>  android/hal-avrcp.c      | 121 ---------------------------------------
>  4 files changed, 146 insertions(+), 121 deletions(-)
>  create mode 100644 android/hal-avrcp-ctrl.c
> 
> diff --git a/android/Android.mk b/android/Android.mk
> index ffbc943..39f03bc 100644
> --- a/android/Android.mk
> +++ b/android/Android.mk
> @@ -129,6 +129,7 @@ LOCAL_SRC_FILES := \
>  	bluez/android/hal-pan.c \
>  	bluez/android/hal-a2dp.c \
>  	bluez/android/hal-avrcp.c \
> +	bluez/android/hal-avrcp-ctrl.c \

This should be under Android >= 0 check so just move to same place as map
and hfp client.

>  	bluez/android/hal-handsfree.c \
>  	bluez/android/hal-gatt.c \
>  	bluez/android/hal-utils.c \
> diff --git a/android/Makefile.am b/android/Makefile.am
> index 8085fb5..d807aaa 100644
> --- a/android/Makefile.am
> +++ b/android/Makefile.am
> @@ -65,6 +65,7 @@ android_bluetooth_default_la_SOURCES = android/hal.h android/hal-bluetooth.c \
>  					android/hal-pan.c \
>  					android/hal-a2dp.c \
>  					android/hal-avrcp.c \
> +					android/hal-avrcp-ctrl.c \
>  					android/hal-handsfree.c \
>  					android/hal-handsfree-client.c \
>  					android/hal-gatt.c \
> diff --git a/android/hal-avrcp-ctrl.c b/android/hal-avrcp-ctrl.c
> new file mode 100644
> index 0000000..e289fcd
> --- /dev/null
> +++ b/android/hal-avrcp-ctrl.c
> @@ -0,0 +1,144 @@
> +/*
> + * Copyright (C) 2014 Intel Corporation
> + *
> + * Licensed under the Apache License, Version 2.0 (the "License");
> + * you may not use this file except in compliance with the License.
> + * You may obtain a copy of the License at
> + *
> + *      http://www.apache.org/licenses/LICENSE-2.0
> + *
> + * Unless required by applicable law or agreed to in writing, software
> + * distributed under the License is distributed on an "AS IS" BASIS,
> + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
> + * See the License for the specific language governing permissions and
> + * limitations under the License.
> + *
> + */
> +
> +#include <stdbool.h>
> +#include <stddef.h>
> +#include <string.h>
> +#include <stdlib.h>
> +
> +#include "hal-utils.h"
> +#include "hal-log.h"
> +#include "hal.h"
> +#include "hal-msg.h"
> +#include "ipc-common.h"
> +#include "hal-ipc.h"
> +
> +static const btrc_ctrl_callbacks_t *cbs = NULL;
> +
> +static bool interface_ready(void)
> +{
> +	return cbs != NULL;
> +}
> +
> +static void handle_connection_state(void *buf, uint16_t len, int fd)
> +{
> +	struct hal_ev_avrcp_ctrl_conn_state *ev = buf;
> +
> +	if (cbs->connection_state_cb)
> +		cbs->connection_state_cb(ev->state,
> +						(bt_bdaddr_t *) (ev->bdaddr));
> +}
> +
> +static void handle_passthrough_rsp(void *buf, uint16_t len, int fd)
> +{
> +	struct hal_ev_avrcp_ctrl_passthrough_rsp *ev = buf;
> +
> +	if (cbs->passthrough_rsp_cb)
> +		cbs->passthrough_rsp_cb(ev->id, ev->key_state);
> +}
> +
> +/*
> + * handlers will be called from notification thread context,
> + * index in table equals to 'opcode - HAL_MINIMUM_EVENT'
> + */
> +static const struct hal_ipc_handler ev_handlers[] = {
> +	/* HAL_EV_AVRCP_CTRL_CONN_STATE */
> +	{ handle_connection_state, false,
> +			sizeof(struct hal_ev_avrcp_ctrl_conn_state) },
> +	/* HAL_EV_AVRCP_CTRL_PASSTHROUGH_RSP */
> +	{ handle_passthrough_rsp, false,
> +			sizeof(struct hal_ev_avrcp_ctrl_passthrough_rsp) },
> +};
> +
> +static bt_status_t init(btrc_ctrl_callbacks_t *callbacks)
> +{
> +	struct hal_cmd_register_module cmd;
> +	int ret;
> +
> +	DBG("");
> +
> +	if (interface_ready())
> +		return BT_STATUS_DONE;
> +
> +	cbs = callbacks;
> +
> +	hal_ipc_register(HAL_SERVICE_ID_AVRCP_CTRL, ev_handlers,
> +				sizeof(ev_handlers) / sizeof(ev_handlers[0]));
> +
> +	cmd.service_id = HAL_SERVICE_ID_AVRCP_CTRL;
> +	cmd.mode = HAL_MODE_DEFAULT;
> +
> +	ret = hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_REGISTER_MODULE,
> +					sizeof(cmd), &cmd, NULL, NULL, NULL);
> +
> +	if (ret != BT_STATUS_SUCCESS) {
> +		cbs = NULL;
> +		hal_ipc_unregister(HAL_SERVICE_ID_AVRCP_CTRL);
> +	}
> +
> +	return ret;
> +}
> +
> +static bt_status_t send_pass_through_cmd(bt_bdaddr_t *bd_addr, uint8_t key_code,
> +							uint8_t key_state)
> +{
> +	struct hal_cmd_avrcp_ctrl_send_passthrough cmd;
> +
> +	DBG("");
> +
> +	if (!interface_ready())
> +		return BT_STATUS_NOT_READY;
> +
> +	memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
> +	cmd.key_code = key_code;
> +	cmd.key_state = key_state;
> +
> +	return hal_ipc_cmd(HAL_SERVICE_ID_AVRCP_CTRL,
> +					HAL_OP_AVRCP_CTRL_SEND_PASSTHROUGH,
> +					sizeof(cmd), &cmd, NULL, NULL, NULL);
> +}
> +
> +static void cleanup(void)
> +{
> +	struct hal_cmd_unregister_module cmd;
> +
> +	DBG("");
> +
> +	if (!interface_ready())
> +		return;
> +
> +	cbs = NULL;
> +
> +	cmd.service_id = HAL_SERVICE_ID_AVRCP_CTRL;
> +
> +	hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_UNREGISTER_MODULE,
> +					sizeof(cmd), &cmd, NULL, NULL, NULL);
> +
> +	hal_ipc_unregister(HAL_SERVICE_ID_AVRCP_CTRL);
> +}
> +
> +static btrc_ctrl_interface_t iface = {
> +	.size = sizeof(iface),
> +	.init = init,
> +	.send_pass_through_cmd = send_pass_through_cmd,
> +	.cleanup = cleanup
> +};
> +
> +btrc_ctrl_interface_t *bt_get_avrcp_ctrl_interface(void)
> +{
> +	return &iface;
> +}
> diff --git a/android/hal-avrcp.c b/android/hal-avrcp.c
> index b9b8ab9..6c7f195 100644
> --- a/android/hal-avrcp.c
> +++ b/android/hal-avrcp.c
> @@ -29,10 +29,6 @@
>  
>  static const btrc_callbacks_t *cbs = NULL;
>  
> -#if ANDROID_VERSION >= PLATFORM_VER(5, 0, 0)
> -static const btrc_ctrl_callbacks_t *ctrl_cbs = NULL;
> -#endif
> -
>  static bool interface_ready(void)
>  {
>  	return cbs != NULL;
> @@ -690,120 +686,3 @@ btrc_interface_t *bt_get_avrcp_interface(void)
>  {
>  	return &iface;
>  }
> -
> -#if ANDROID_VERSION >= PLATFORM_VER(5, 0, 0)
> -
> -static bool ctrl_interface_ready(void)
> -{
> -	return ctrl_cbs != NULL;
> -}
> -
> -static void handle_connection_state(void *buf, uint16_t len, int fd)
> -{
> -	struct hal_ev_avrcp_ctrl_conn_state *ev = buf;
> -
> -	if (ctrl_cbs->connection_state_cb)
> -		ctrl_cbs->connection_state_cb(ev->state,
> -						(bt_bdaddr_t *) (ev->bdaddr));
> -}
> -
> -static void handle_passthrough_rsp(void *buf, uint16_t len, int fd)
> -{
> -	struct hal_ev_avrcp_ctrl_passthrough_rsp *ev = buf;
> -
> -	if (ctrl_cbs->passthrough_rsp_cb)
> -		ctrl_cbs->passthrough_rsp_cb(ev->id, ev->key_state);
> -}
> -
> -/*
> - * handlers will be called from notification thread context,
> - * index in table equals to 'opcode - HAL_MINIMUM_EVENT'
> - */
> -static const struct hal_ipc_handler ctrl_ev_handlers[] = {
> -	/* HAL_EV_AVRCP_CTRL_CONN_STATE */
> -	{ handle_connection_state, false,
> -			sizeof(struct hal_ev_avrcp_ctrl_conn_state) },
> -	/* HAL_EV_AVRCP_CTRL_PASSTHROUGH_RSP */
> -	{ handle_passthrough_rsp, false,
> -			sizeof(struct hal_ev_avrcp_ctrl_passthrough_rsp) },
> -};
> -
> -static bt_status_t ctrl_init(btrc_ctrl_callbacks_t *callbacks)
> -{
> -	struct hal_cmd_register_module cmd;
> -	int ret;
> -
> -	DBG("");
> -
> -	if (ctrl_interface_ready())
> -		return BT_STATUS_DONE;
> -
> -	ctrl_cbs = callbacks;
> -
> -	hal_ipc_register(HAL_SERVICE_ID_AVRCP_CTRL, ctrl_ev_handlers,
> -			sizeof(ctrl_ev_handlers) / sizeof(ctrl_ev_handlers[0]));
> -
> -	cmd.service_id = HAL_SERVICE_ID_AVRCP_CTRL;
> -	cmd.mode = HAL_MODE_DEFAULT;
> -
> -	ret = hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_REGISTER_MODULE,
> -					sizeof(cmd), &cmd, NULL, NULL, NULL);
> -
> -	if (ret != BT_STATUS_SUCCESS) {
> -		cbs = NULL;
> -		hal_ipc_unregister(HAL_SERVICE_ID_AVRCP_CTRL);
> -	}
> -
> -	return ret;
> -}
> -
> -static bt_status_t send_pass_through_cmd(bt_bdaddr_t *bd_addr, uint8_t key_code,
> -							uint8_t key_state)
> -{
> -	struct hal_cmd_avrcp_ctrl_send_passthrough cmd;
> -
> -	DBG("");
> -
> -	if (!ctrl_interface_ready())
> -		return BT_STATUS_NOT_READY;
> -
> -	memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
> -	cmd.key_code = key_code;
> -	cmd.key_state = key_state;
> -
> -	return hal_ipc_cmd(HAL_SERVICE_ID_AVRCP_CTRL,
> -					HAL_OP_AVRCP_CTRL_SEND_PASSTHROUGH,
> -					sizeof(cmd), &cmd, NULL, NULL, NULL);
> -}
> -
> -static void ctrl_cleanup(void)
> -{
> -	struct hal_cmd_unregister_module cmd;
> -
> -	DBG("");
> -
> -	if (!ctrl_interface_ready())
> -		return;
> -
> -	ctrl_cbs = NULL;
> -
> -	cmd.service_id = HAL_SERVICE_ID_AVRCP_CTRL;
> -
> -	hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_UNREGISTER_MODULE,
> -					sizeof(cmd), &cmd, NULL, NULL, NULL);
> -
> -	hal_ipc_unregister(HAL_SERVICE_ID_AVRCP_CTRL);
> -}
> -
> -static btrc_ctrl_interface_t ctrl_iface = {
> -	.size = sizeof(ctrl_iface),
> -	.init = ctrl_init,
> -	.send_pass_through_cmd = send_pass_through_cmd,
> -	.cleanup = ctrl_cleanup
> -};
> -
> -btrc_ctrl_interface_t *bt_get_avrcp_ctrl_interface(void)
> -{
> -	return &ctrl_iface;
> -}
> -#endif
> 

-- 
Best regards, 
Szymon Janc
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