ble_prov.c File Reference

Handling BT related activity for provision AP.

Copyright (c) 2018-2020 Atmel Corporation. All rights reserved.

#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "malloc.h"
#include "btstack_chipset_atwilc3000.h"
#include "btstack_debug.h"
#include "btstack_memory.h"
#include "btstack_run_loop.h"
#include "btstack_run_loop_freertos.h"
#include "classic/btstack_link_key_db.h"
#include "hci.h"
#include "hci_dump.h"
#include "ble_prov.h"
#include "ble_prov_db.h"
#include "btstack.h"
#include "wifi_prov.h"

Functions
static uint16_t	att_read_callback (hci_con_handle_t connection_handle, uint16_t att_handle, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)
	This function is called by BT stack during attribute read. More...
static int	att_write_callback (hci_con_handle_t connection_handle, uint16_t att_handle, uint16_t transaction_mode, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)
	This function is called by BT stack during attribute write. More...
static void	bt_app_init (int status)
	This function is used for initializing the BT application. More...
void	bt_task (void *arg)
	This function is called during creation of BT task. More...
int	btstack_main (void)
	This function is called after initialization of HCI transport. More...
void	le_prov_adv_start (void)
	This function is called to configure and start the advertisement. More...
void	le_prov_app_setup (void)
	This function is called for application setup. More...
static void	packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size)
	This function is called for handling HCI Event. More...

Variables
TaskHandle_t	btstack_run_loop_task
static btstack_packet_callback_registration_t	hci_event_callback_registration
const uint8_t	le_prov_adv_data []
const uint8_t	le_prov_adv_data_len = sizeof(le_prov_adv_data)
static uint16_t	le_prov_conn_handle = 0
const uint8_t	le_prov_scanrsp_data []
const uint8_t	le_prov_scanrsp_data_len = sizeof(le_prov_scanrsp_data)
uint8_t	payload_data
static bt_state_t	state = BT_IDLE
static hci_transport_config_uart_t	transport_config
static btstack_uart_config_t	uart_config
static const btstack_uart_block_t *	uart_driver

static uint16_t att_read_callback ( hci_con_handle_t  connection_handle, uint16_t  att_handle, uint16_t  offset, uint8_t *  buffer, uint16_t  buffer_size  )

static

This function is called by BT stack during attribute read.

References wifi_scan_ap_info::ap_count, wifi_scan_ap_info::ap_val, wifi_ap_detail::rssi_value, RSSI_VALUE_INDEX, RSSI_VALUE_SIZE, scan_ap, wifi_scan_ap_info::scan_mode, SECURITY_BYTE_INDEX, SECURITY_BYTE_SIZE, wifi_ap_detail::security_type, wifi_ap_detail::ssid_len, SSID_LEN_INDEX, SSID_LEN_SIZE, wifi_ap_detail::ssid_val, SSID_VAL_INDEX, SSID_VAL_SIZE, UNUSED, WIFI_AP_10_HANDLE, WIFI_AP_10_INDEX, WIFI_AP_11_HANDLE, WIFI_AP_11_INDEX, WIFI_AP_12_HANDLE, WIFI_AP_12_INDEX, WIFI_AP_13_HANDLE, WIFI_AP_13_INDEX, WIFI_AP_14_HANDLE, WIFI_AP_14_INDEX, WIFI_AP_15_HANDLE, WIFI_AP_15_INDEX, WIFI_AP_1_HANDLE, WIFI_AP_1_INDEX, WIFI_AP_2_HANDLE, WIFI_AP_2_INDEX, WIFI_AP_3_HANDLE, WIFI_AP_3_INDEX, WIFI_AP_4_HANDLE, WIFI_AP_4_INDEX, WIFI_AP_5_HANDLE, WIFI_AP_5_INDEX, WIFI_AP_6_HANDLE, WIFI_AP_6_INDEX, WIFI_AP_7_HANDLE, WIFI_AP_7_INDEX, WIFI_AP_8_HANDLE, WIFI_AP_8_INDEX, WIFI_AP_9_HANDLE, WIFI_AP_9_INDEX, WIFI_AP_LIST_END_HANDLE, WIFI_AP_LIST_START_HANDLE, WIFI_AP_SCAN_HANDLE, WIFI_CONN_STATE_HANDLE, and WIFI_SCAN_MODE_HANDLE.

Referenced by le_prov_app_setup().

static int att_write_callback ( hci_con_handle_t  connection_handle, uint16_t  att_handle, uint16_t  transaction_mode, uint16_t  offset, uint8_t *  buffer, uint16_t  buffer_size  )

static

This function is called by BT stack during attribute write.

References att_server_request_can_send_now_event(), ATT_TRANSACTION_MODE_EXECUTE, BT_AP_CONN_STATE, BT_AP_SCANNING, conn_ap, wifi_conn_ap_info::conn_param, wifi_conn_ap_info::conn_param_offset, CONN_PARAM_SIZE, wifi_conn_ap_info::conn_state, wifi_conn_ap_info::conn_state_descriptor, le_prov_conn_handle, scan_ap, wifi_scan_ap_info::scan_mode, SCANLIST_SCANNING, state, UNUSED, WIFI_AP_PARAM_HANDLE, WIFI_CONN_STATE_CCD_HANDLE, WIFI_CONNECT_INPROGRESS, and WIFI_SCAN_MODE_HANDLE.

Referenced by le_prov_app_setup().

static void bt_app_init ( int  status )

static

This function is used for initializing the BT application.

References btstack_chipset_atwilc3000_instance(), btstack_link_key_db_memory_instance(), btstack_main(), hci_init(), hci_set_chipset(), hci_set_link_key_db(), and hci_transport_h4_instance().

Referenced by bt_task().

void bt_task

(

void *

arg

)

This function is called during creation of BT task.

References btstack_uart_config_t::baudrate, hci_transport_config_uart_t::baudrate_init, bt_app_init(), bt_task_handle, btstack_chipset_atwilc3000_download_firmware(), btstack_memory_init(), btstack_run_loop_execute(), btstack_run_loop_freertos_get_instance(), btstack_run_loop_init(), btstack_run_loop_task, btstack_uart_block_freertos_instance(), btstack_uart_config_t::device_name, hci_transport_config_uart_t::device_name, btstack_uart_config_t::flowcontrol, hci_transport_config_uart_t::flowcontrol, HCI_DEFAULT_BAUDRATE, wifi_bt_if_msg_t::id, btstack_uart_block_t::init, NULL, pdFALSE, vTaskDelay(), wifi_bt_if_queue, wifi_bt_if_sem, WIFI_BT_INIT, xQueueReceive, xSemaphoreGive, and xSemaphoreTake.

int btstack_main

(

void

)

This function is called after initialization of HCI transport.

References hci_power_control(), HCI_POWER_ON, and le_prov_app_setup().

void le_prov_adv_start

(

void

)

This function is called to configure and start the advertisement.

References gap_advertisements_enable(), gap_advertisements_set_data(), gap_advertisements_set_params(), gap_scan_response_set_data(), le_prov_adv_data, le_prov_adv_data_len, le_prov_scanrsp_data, and le_prov_scanrsp_data_len.

Referenced by le_prov_app_setup().

void le_prov_app_setup

(

void

)

This function is called for application setup.

References att_read_callback(), att_server_init(), att_server_register_packet_handler(), att_write_callback(), btstack_packet_callback_registration_t::callback, hci_add_event_handler(), l2cap_init(), le_device_db_init(), le_prov_adv_start(), packet_handler(), profile_data, and sm_init().

Referenced by btstack_main().

static void packet_handler ( uint8_t  packet_type, uint16_t  channel, uint8_t *  packet, uint16_t  size  )

static

This function is called for handling HCI Event.

References wifi_scan_ap_info::ap_count, ATT_EVENT_CAN_SEND_NOW, att_server_notify(), att_server_request_can_send_now_event(), BT_AP_CONN_STATE, BT_AP_CONN_STATE_UPDATED, BT_AP_LIST_UPDATED, BT_AP_SCANNING, BT_IDLE, BT_WIFI_CONNECT, BT_WIFI_SCAN, conn_ap, wifi_conn_ap_info::conn_param_offset, wifi_conn_ap_info::conn_state, wifi_conn_ap_info::conn_state_descriptor, HCI_EVENT_DISCONNECTION_COMPLETE, HCI_EVENT_LE_META, hci_event_le_meta_get_subevent_code(), HCI_EVENT_PACKET, hci_event_packet_get_type(), HCI_SUBEVENT_LE_CONNECTION_COMPLETE, hci_subevent_le_connection_complete_get_connection_handle(), wifi_bt_if_msg_t::id, le_prov_conn_handle, payload_data, RES_SUCCESS, scan_ap, wifi_scan_ap_info::scan_mode, SCANLIST_STOP, SCANLIST_UPDATED, state, UNUSED, wifi_bt_conn_if_sem, wifi_bt_if_queue, wifi_bt_if_sem, WIFI_CONN_STATE_HANDLE, WIFI_CONNECT_FAIL, WIFI_SCAN_MODE_HANDLE, xQueueSend, xSemaphoreGive, and xSemaphoreTake.

Referenced by le_prov_app_setup().

TaskHandle_t btstack_run_loop_task

btstack_packet_callback_registration_t hci_event_callback_registration

static

const uint8_t le_prov_adv_data[]

Initial value:

= {
    
    0x02, BLUETOOTH_DATA_TYPE_FLAGS, 0x06, 
}

Referenced by le_prov_adv_start().

const uint8_t le_prov_adv_data_len = sizeof(le_prov_adv_data)

Referenced by le_prov_adv_start().

uint16_t le_prov_conn_handle = 0

static

Referenced by att_write_callback(), and packet_handler().

const uint8_t le_prov_scanrsp_data[]

Initial value:

= {
    
    
    0x11, BLUETOOTH_DATA_TYPE_INCOMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS,  WIFICON_UUID(0x0001),
    
    
    0x0a, BLUETOOTH_DATA_TYPE_COMPLETE_LOCAL_NAME, 'M', 'C', 'H', 'P', '_', 'W', 'I', 'F', 'I', 
}

Referenced by le_prov_adv_start().

const uint8_t le_prov_scanrsp_data_len = sizeof(le_prov_scanrsp_data)

Referenced by le_prov_adv_start().

uint8_t payload_data

Referenced by packet_handler(), and tss_server_return_credit().

bt_state_t state = BT_IDLE

static

Referenced by att_write_callback(), packet_handler(), process_data(), and tss_server_return_credit().

hci_transport_config_uart_t transport_config

static

Initial value:

= {
    HCI_TRANSPORT_CONFIG_UART,
    115200,
    0,
    1,
    NULL,
}

btstack_uart_config_t uart_config

static

const btstack_uart_block_t* uart_driver

static