mirror of
https://github.com/bluekitchen/btstack.git
synced 2025-01-28 00:35:42 +00:00
f1b34e8dd9
create RFCOMM connection send OBEX Connect and receive response retrieve phone book repeat GET request when response incomplete start extracting goep_client.h support CONNECT message support GET message add obex_iterator use obex_iterator goep_client adds connection_id if available avoid accessing internal goep state from pbap start extracting pbap_client.h events: add meta events and data packet types for GOEP and PBAP use events and data packet type for goep use events and data packet type for pbap remove private fields from GOEP_SUBEVENT_CONNECTION_OPENED implement SetPhoneBook return cid in connect operations, return errors if busy, return obex errors limit OBEX packet size by bearer MTU split into obex.h, goep_client.h, goep_client.c, pbap_client.h, pbab_client.c fix state after pull phonebook add console UI for testing clean up code provide packet_handler in create connection for pbap_client and goep_client annotate headers for goep_client and pbap_client
333 lines
10 KiB
Python
Executable File
333 lines
10 KiB
Python
Executable File
#!/usr/bin/env python
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# BlueKitchen GmbH (c) 2014
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import glob
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import re
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import sys
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import os
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import btstack_parser as parser
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meta_events = [
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'ANCS',
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'AVDTP',
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'AVRCP',
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'GOEP',
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'HFP',
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'HSP',
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'PBAP',
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'LE'
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]
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supported_event_groups = meta_events + [
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'BTSTACK',
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'GAP',
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'HCI',
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'SDP',
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'SM',
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'L2CAP',
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'RFCOMM',
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'GATT',
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'BNEP',
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'ATT',
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]
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program_info = '''
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BTstack Event Getter Generator for BTstack
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Copyright 2016, BlueKitchen GmbH
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'''
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copyright = """/*
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* Copyright (C) 2016 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
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* personal benefit and not for any commercial purpose or for
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at
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* contact@bluekitchen-gmbh.com
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*
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*/
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"""
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hfile_header_begin = """
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/*
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* btstack_event.h
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*
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* @brief BTstack event getter/setter
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* @note Don't edit - generated by tool/btstack_event_generator.py
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*
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*/
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#ifndef __BTSTACK_EVENT_H
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#define __BTSTACK_EVENT_H
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#if defined __cplusplus
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extern "C" {
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#endif
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#include "btstack_util.h"
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#include <stdint.h>
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#ifdef ENABLE_BLE
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#include "ble/gatt_client.h"
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#endif
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/* API_START */
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/**
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* @brief Get event type
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* @param event
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* @return type of event
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*/
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static inline uint8_t hci_event_packet_get_type(const uint8_t * event){
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return event[0];
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}
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"""
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hfile_header_end = """
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/* API_END */
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#if defined __cplusplus
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}
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#endif
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#endif // __BTSTACK_EVENT_H
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"""
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c_prototoype_simple_return = '''/**
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* @brief {description}
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* @param event packet
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* @return {result_name}
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* @note: btstack_type {format}
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*/
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static inline {result_type} {fn_name}(const uint8_t * event){{
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{code}
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}}
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'''
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c_prototoype_struct_return = '''/**
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* @brief {description}
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* @param event packet
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* @param Pointer to storage for {result_name}
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* @note: btstack_type {format}
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*/
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static inline void {fn_name}(const uint8_t * event, {result_type} {result_name}){{
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{code}
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}}
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'''
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c_prototoype_unsupported = '''/**
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* @brief {description}
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* @param event packet
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* @return {result_name}
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* @note: btstack_type {format}
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*/
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// static inline {result_type} {fn_name}(const uint8_t * event){{
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// not implemented yet
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// }}
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'''
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meta_event_template = '''/***
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* @brief Get subevent code for {meta_event} event
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* @param event packet
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* @return subevent_code
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*/
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static inline uint8_t hci_event_{meta_event}_meta_get_subevent_code(const uint8_t * event){{
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return event[2];
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}}
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'''
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# global variables/defines
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# gen_path = '../src/btstack_event.h'
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defines = dict()
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defines_used = set()
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param_read = {
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'1' : 'return event[{offset}];',
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'J' : 'return event[{offset}];',
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'2' : 'return little_endian_read_16(event, {offset});',
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'L' : 'return little_endian_read_16(event, {offset});',
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'3' : 'return little_endian_read_24(event, {offset});',
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'4' : 'return little_endian_read_32(event, {offset});',
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'H' : 'return little_endian_read_16(event, {offset});',
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'B' : 'reverse_bd_addr(&event[{offset}], {result_name});',
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'R' : 'return &event[{offset}];',
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'T' : 'return (const char *) &event[{offset}];',
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'Q' : 'reverse_bytes(&event[{offset}], {result_name}, 32);',
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'V' : 'return &event[{offset}];',
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'X' : 'gatt_client_deserialize_service(event, {offset}, {result_name});',
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'Y' : 'gatt_client_deserialize_characteristic(event, {offset}, {result_name});',
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'Z' : 'gatt_client_deserialize_characteristic_descriptor(event, {offset}, {result_name});',
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}
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def c_type_for_btstack_type(type):
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param_types = { '1' : 'uint8_t', '2' : 'uint16_t', '3' : 'uint32_t', '4' : 'uint32_t', 'H' : 'hci_con_handle_t', 'B' : 'bd_addr_t',
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'D' : 'const uint8_t *', 'E' : 'const uint8_t * ', 'N' : 'String' , 'P' : 'const uint8_t *', 'A' : 'const uint8_t *',
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'R' : 'const uint8_t *', 'S' : 'const uint8_t *',
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'J' : 'int', 'L' : 'int', 'V' : 'const uint8_t *', 'U' : 'BT_UUID',
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'Q' : 'uint8_t *',
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'X' : 'gatt_client_service_t *', 'Y' : 'gatt_client_characteristic_t *', 'Z' : 'gatt_client_characteristic_descriptor_t *',
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'T' : 'const char *'}
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return param_types[type]
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def size_for_type(type):
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param_sizes = { '1' : 1, '2' : 2, '3' : 3, '4' : 4, 'H' : 2, 'B' : 6, 'D' : 8, 'E' : 240, 'N' : 248, 'P' : 16, 'Q':32,
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'A' : 31, 'S' : -1, 'V': -1, 'J' : 1, 'L' : 2, 'U' : 16, 'X' : 20, 'Y' : 24, 'Z' : 18, 'T':-1}
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return param_sizes[type]
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def format_function_name(event_name):
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event_name = event_name.lower()
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if 'event' in event_name:
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return event_name;
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return event_name+'_event'
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def template_for_type(field_type):
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global c_prototoype_simple_return
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global c_prototoype_struct_return
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types_with_struct_return = "BQXYZ"
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if field_type in types_with_struct_return:
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return c_prototoype_struct_return
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else:
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return c_prototoype_simple_return
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def all_fields_supported(format):
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global param_read
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for f in format:
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if not f in param_read:
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return False
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return True
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def create_getter(event_name, field_name, field_type, offset, supported):
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global c_prototoype_unsupported
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global param_read
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description = "Get field %s from event %s" % (field_name, event_name.upper())
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result_name = field_name
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fn_name = "%s_get_%s" % (event_name, field_name)
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result_type = c_type_for_btstack_type(field_type)
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template = c_prototoype_unsupported
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code = ''
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if supported and field_type in param_read:
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template = template_for_type(field_type)
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code = param_read[field_type].format(offset=offset, result_name=result_name)
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return template.format(description=description, fn_name=fn_name, result_name=result_name, result_type=result_type, code=code, format=field_type)
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def is_le_event(event_group):
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return event_group in ['GATT', 'ANCS', 'SM']
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def create_events(events):
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global gen_path
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global copyright
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global hfile_header_begin
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global hfile_header_end
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global meta_event_template
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with open(gen_path, 'wt') as fout:
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fout.write(copyright)
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fout.write(hfile_header_begin)
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for meta_event in meta_events:
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fout.write(meta_event_template.format(meta_event=meta_event.lower()))
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for event_type, event_name, format, args in events:
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parts = event_name.split("_")
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event_group = parts[0]
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if not event_group in supported_event_groups:
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print("// %s " % event_name)
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continue
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# print(event_name)
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base_name = format_function_name(event_name)
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length_name = ''
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offset = 2
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offset_is_number = 1
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offset_unknown = 0
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supported = all_fields_supported(format)
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last_variable_length_field_pos = ""
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if is_le_event(event_group):
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fout.write("#ifdef ENABLE_BLE\n")
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if len(format) != len(args):
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print(event_name.upper())
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print ("Format %s does not match params %s " % (format, args))
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print
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for f, arg in zip(format, args):
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field_name = arg
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if field_name.lower() == 'subevent_code':
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offset += 1
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continue
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if offset_unknown:
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print("Param after variable length field without preceding 'J' lenght field")
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break
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field_type = f
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text = create_getter(base_name, field_name, field_type, offset, supported)
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fout.write(text)
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if field_type in 'RT':
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break
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if field_type in 'J':
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if offset_is_number:
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last_variable_length_field_pos = '%u' % offset
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else:
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last_variable_length_field_pos = offset
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if field_type in 'V':
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if last_variable_length_field_pos >= 0:
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if offset_is_number:
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# convert to string
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offset = '%u' % offset
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offset_is_number = 0
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offset = offset + ' + event[%s]' % last_variable_length_field_pos
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else:
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offset_unknown = 1
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else:
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if offset_is_number:
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offset += size_for_type(field_type)
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else:
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offset = offset + ' + %u' % size_for_type(field_type)
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if is_le_event(event_group):
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fout.write("#endif\n")
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fout.write("\n")
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fout.write(hfile_header_end)
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btstack_root = os.path.abspath(os.path.dirname(sys.argv[0]) + '/..')
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gen_path = btstack_root + '/src/btstack_event.h'
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print(program_info)
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# parse events
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(events, le_events, event_types) = parser.parse_events()
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# create event field accesors
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create_events(events + le_events)
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# done
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print('Done!')
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