155 lines
4.2 KiB
C
155 lines
4.2 KiB
C
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "thread.h"
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#include "bt_prf_sys.h"
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#include "fixed_queue.h"
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#include "bt_prf_task.h"
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#include "gki.h"
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#include "bt_trace.h"
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#include <string.h>
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tBT_PRF_SYS_CB bt_prf_sys_cb;
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fixed_queue_t *bt_profile_msg_queue;
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static const tBT_PRF_SYS_REG bt_prf_sys_reg =
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{
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NULL,
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NULL
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};
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void bt_prf_sys_init(void)
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{
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LOG_ERROR("bt_prf_sys_init\n");
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memset(&bt_prf_sys_cb, 0, sizeof(tBT_PRF_SYS_CB));
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bt_prf_StartUp();
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}
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/*******************************************************************************
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**
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** Function bt_prf_sys_event
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**
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** Description profile task event handler; called from task event handler.
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**
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**
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** Returns void
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**
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*******************************************************************************/
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void bt_prf_sys_event(prf_hdr_evt_t *p_msg)
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{
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UINT8 id;
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BOOLEAN freebuf = TRUE;
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LOG_ERROR("profile task got event 0x%x\n", p_msg->event);
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/* get subsystem id from event */
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id = (UINT8) (p_msg->event >> 8);
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/* verify id and call subsystem event handler */
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if ((id < PRF_ID_MAX) && (bt_prf_sys_cb.reg[id] != NULL))
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{
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freebuf = (*bt_prf_sys_cb.reg[id]->evt_hdlr)(p_msg);
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}
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else
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{
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LOG_ERROR("profile task got unregistered event id %d\n", id);
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}
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if (freebuf)
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{
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GKI_freebuf(p_msg);
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}
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}
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/*******************************************************************************
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**
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** Function bt_prf_sys_register
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**
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** Description Called by other profile subsystems to register their event
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** handler.
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**
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** Parameters id:the Identifiers index of the profile
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** p_reg:the callback event which has been register to the profile task
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** Returns void
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**
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*******************************************************************************/
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void bt_prf_sys_register(UINT8 id, const tBT_PRF_SYS_REG *p_reg)
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{
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bt_prf_sys_cb.reg[id] = (tBT_PRF_SYS_REG *) p_reg;
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bt_prf_sys_cb.is_reg[id] = TRUE;
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}
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/*******************************************************************************
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**
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** Function bt_prf_sys_deregister
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**
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** Description Called by other profile subsystems to de-register
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** handler.
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**
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** Parameters id:Identifiers index of the profile
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** Returns void
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**
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*******************************************************************************/
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void bt_prf_sys_deregister(UINT8 id)
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{
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bt_prf_sys_cb.reg[id] = NULL;
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bt_prf_sys_cb.is_reg[id] = FALSE;
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}
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/*******************************************************************************
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**
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** Function bt_prf_sys_is_register
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**
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** Description Called by other profile subsystems to get registeration
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** status.
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**
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**
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** Returns void
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**
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*******************************************************************************/
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BOOLEAN bt_prf_sys_is_register(UINT8 id)
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{
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return bt_prf_sys_cb.is_reg[id];
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}
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/*******************************************************************************
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**
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** Function bt_prf_sys_sendmsg
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**
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** Description Send a message to the profile task.
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**
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**
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** Returns void
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**
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*******************************************************************************/
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void bt_prf_sys_sendmsg(void *p_msg)
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{
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// There is a race condition that occurs if the stack is shut down while
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// there is a procedure in progress that can schedule a task via this
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// message queue. This causes |bt_profile_msg_queue| to get cleaned up before
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// it gets used here; hence we check for NULL before using it.
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if (bt_profile_msg_queue) {
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fixed_queue_enqueue(bt_profile_msg_queue, p_msg);
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bt_prf_task_post(SIG_PRF_WORK);
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}
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}
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