esp-idf/components/bt/host/bluedroid/main/bte_main.c

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/******************************************************************************
*
* Copyright (C) 2009-2012 Broadcom 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.
*
******************************************************************************/
/******************************************************************************
*
* Filename: bte_main.c
*
* Description: Contains BTE core stack initialization and shutdown code
*
******************************************************************************/
#include "common/bt_defs.h"
#include "common/bt_common_types.h"
#include "common/bte.h"
#include "stack/btu.h"
#include "common/bt_trace.h"
#include "osi/osi.h"
#include "osi/alarm.h"
#include "osi/hash_map.h"
#include "osi/hash_functions.h"
#include "device/controller.h"
#include "hci/hci_layer.h"
#include "bta/bta_api.h"
/*******************************************************************************
** Constants & Macros
*******************************************************************************/
/******************************************************************************
** Variables
******************************************************************************/
/*******************************************************************************
** Static variables
*******************************************************************************/
static const hci_t *hci;
/*******************************************************************************
** Static functions
*******************************************************************************/
static void bte_main_disable(void);
static void bte_main_enable(void);
/*******************************************************************************
** Externs
*******************************************************************************/
bluedroid_init_done_cb_t bluedroid_init_done_cb;
extern void osi_mem_dbg_init(void);
/******************************************************************************
**
** Function bte_main_boot_entry
**
** Description BTE MAIN API - Entry point for BTE chip/stack initialization
**
** Returns None
**
******************************************************************************/
int bte_main_boot_entry(bluedroid_init_done_cb_t cb)
{
hci = hci_layer_get_interface();
if (!hci) {
APPL_TRACE_ERROR("%s could not get hci layer interface.\n", __func__);
return -2;
}
bluedroid_init_done_cb = cb;
osi_init();
//Enbale HCI
bte_main_enable();
return 0;
}
/******************************************************************************
**
** Function bte_main_shutdown
**
** Description BTE MAIN API - Shutdown code for BTE chip/stack
**
** Returns None
**
******************************************************************************/
void bte_main_shutdown(void)
{
#if (BLE_INCLUDED == TRUE)
BTA_VendorCleanup();
#endif
bte_main_disable();
osi_deinit();
}
/******************************************************************************
**
** Function bte_main_enable
**
** Description BTE MAIN API - Creates all the BTE tasks. Should be called
** part of the Bluetooth stack enable sequence
**
** Returns None
**
******************************************************************************/
static void bte_main_enable(void)
{
APPL_TRACE_DEBUG("Enable HCI\n");
if (hci_start_up()) {
APPL_TRACE_ERROR("Start HCI Host Layer Failure\n");
return;
}
//Now Test Case Not Supported BTU
BTU_StartUp();
}
/******************************************************************************
**
** Function bte_main_disable
**
** Description BTE MAIN API - Destroys all the BTE tasks. Should be called
** part of the Bluetooth stack disable sequence
**
** Returns None
**
******************************************************************************/
static void bte_main_disable(void)
{
/*
APPL_TRACE_DEBUG("%s", __FUNCTION__);
module_shut_down(get_module(HCI_MODULE));
module_shut_down(get_module(BTSNOOP_MODULE));
*/
hci_shut_down();
BTU_ShutDown();
}
/******************************************************************************
**
** Function bte_main_postload_cfg
**
** Description BTE MAIN API - Stack postload configuration
**
** Returns None
**
******************************************************************************/
void bte_main_postload_cfg(void)
{
hci->do_postload();
}
#if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE)
/******************************************************************************
**
** Function bte_main_enable_lpm
**
** Description BTE MAIN API - Enable/Disable low power mode operation
**
** Returns None
**
******************************************************************************/
void bte_main_enable_lpm(BOOLEAN enable)
{
/*Enable Low power ?*/
//hci->send_low_power_command(enable ? LPM_ENABLE : LPM_DISABLE);
}
/******************************************************************************
**
** Function bte_main_lpm_allow_bt_device_sleep
**
** Description BTE MAIN API - Allow BT controller goest to sleep
**
** Returns None
**
******************************************************************************/
void bte_main_lpm_allow_bt_device_sleep()
{
/**/
//hci->send_low_power_command(LPM_WAKE_DEASSERT);
}
/******************************************************************************
**
** Function bte_main_lpm_wake_bt_device
**
** Description BTE MAIN API - Wake BT controller up if it is in sleep mode
**
** Returns None
**
******************************************************************************/
void bte_main_lpm_wake_bt_device()
{
//hci->send_low_power_command(LPM_WAKE_ASSERT);
}
#endif // HCILP_INCLUDED
/******************************************************************************
**
** Function bte_main_hci_send
**
** Description BTE MAIN API - This function is called by the upper stack to
** send an HCI message. The function displays a protocol trace
** message (if enabled), and then calls the 'transmit' function
** associated with the currently selected HCI transport
**
** Returns None
**
******************************************************************************/
void bte_main_hci_send (BT_HDR *p_msg, UINT16 event)
{
UINT16 sub_event = event & BT_SUB_EVT_MASK; /* local controller ID */
p_msg->event = event;
//counter_add("main.tx.packets", 1);
//counter_add("main.tx.bytes", p_msg->len);
if ((sub_event == LOCAL_BR_EDR_CONTROLLER_ID) || \
(sub_event == LOCAL_BLE_CONTROLLER_ID)) {
hci->transmit_downward(event, p_msg);
} else {
//APPL_TRACE_ERROR("Invalid Controller ID. Discarding message.");
osi_free(p_msg);
}
}