1#!/usr/bin/env python 2# BlueKitchen GmbH (c) 2014 3 4import re 5import os 6 7# paths 8bluetooth_h_path = 'src/bluetooth.h' 9btstack_defines_h_path = 'src/btstack_defines.h' 10daemon_cmds_c_path = 'platform/daemon/daemon_cmds.c' 11hci_cmds_c_path = 'src/hci_cmd.c' 12hci_cmds_h_path = 'src/hci_cmd.h' 13hci_h_path = 'src/hci.h' 14 15btstack_root = '../..' 16 17def set_btstack_root(path): 18 btstack_root = path 19 20def assert_dir(path): 21 if not os.access(path, os.R_OK): 22 os.makedirs(path) 23 24def cap(x): 25 if x.lower() == 'btstack': 26 return 'BTstack' 27 acronyms = ['GAP', 'GATT', 'HCI', 'L2CAP', 'LE', 'RFCOMM', 'SM', 'SDP', 'UUID16', 'UUID128'] 28 if x.upper() in acronyms: 29 return x.upper() 30 return x.capitalize() 31 32def camel_case(name): 33 return ''.join(map(cap, name.split('_'))) 34 35def camel_case_var(name): 36 if name in ['uuid128', 'uuid16']: 37 return name 38 camel = camel_case(name) 39 return camel[0].lower() + camel[1:] 40 41def read_defines(infile): 42 defines = dict() 43 with open (infile, 'rt') as fin: 44 for line in fin: 45 parts = re.match('#define\s+(\w+)\s+(\w*)',line) 46 if parts and len(parts.groups()) == 2: 47 (key, value) = parts.groups() 48 defines[key] = value 49 return defines 50 51def parse_defines(): 52 global btstack_root 53 defines = dict() 54 defines.update(read_defines(btstack_root + '/' + hci_cmds_h_path)) 55 defines.update(read_defines(btstack_root + '/' + hci_h_path)) 56 defines.update(read_defines(btstack_root + '/' + bluetooth_h_path)) 57 defines.update(read_defines(btstack_root + '/' + btstack_defines_h_path)) 58 return defines 59 60def my_parse_events(path): 61 events = [] 62 le_events = [] 63 params = [] 64 event_types = set() 65 format = None 66 with open (path, 'rt') as fin: 67 for line in fin: 68 parts = re.match('.*@format\s*(\w*)\s*', line) 69 if parts and len(parts.groups()) == 1: 70 format = parts.groups()[0] 71 parts = re.match('.*@param\s*(\w*)\s*', line) 72 if parts and len(parts.groups()) == 1: 73 param = parts.groups()[0] 74 params.append(param) 75 parts = re.match('\s*#define\s+(\w+)\s+(\w*)',line) 76 if parts and len(parts.groups()) == 2: 77 (key, value) = parts.groups() 78 if format != None: 79 if key.lower().startswith('hci_subevent_'): 80 le_events.append((value, key.lower().replace('hci_subevent_', 'hci_event_'), format, params)) 81 else: 82 events.append((value, key, format, params)) 83 event_types.add(key) 84 params = [] 85 format = None 86 return (events, le_events, event_types) 87 88def parse_events(): 89 global btstack_root 90 91 # parse bluetooth.h to get used events 92 (bluetooth_events, bluetooth_le_events, bluetooth_event_types) = my_parse_events(btstack_root + '/' + bluetooth_h_path) 93 94 # parse btstack_defines to get events 95 (btstack_events, btstack_le_events, btstack_event_types) = my_parse_events(btstack_root + '/' + btstack_defines_h_path) 96 97 # concat lists 98 (events, le_events, event_types) = (bluetooth_events + btstack_events, bluetooth_le_events + btstack_le_events, bluetooth_event_types | btstack_event_types) 99 100 return (events, le_events, event_types) 101 102def my_parse_commands(infile): 103 commands = [] 104 with open (infile, 'rt') as fin: 105 106 params = [] 107 for line in fin: 108 109 parts = re.match('.*@param\s*(\w*)\s*', line) 110 if parts and len(parts.groups()) == 1: 111 param = parts.groups()[0] 112 params.append(camel_case_var(param)) 113 continue 114 115 declaration = re.match('const\s+hci_cmd_t\s+(\w+)[\s=]+', line) 116 if declaration: 117 command_name = camel_case(declaration.groups()[0]) 118 if command_name.endswith('Cmd'): 119 command_name = command_name[:-len('Cmd')] 120 continue 121 122 definition = re.match('\s*OPCODE\\(\s*(\w+)\s*,\s+(\w+)\s*\\)\s*,\s\\"(\w*)\\".*', line) 123 if definition: 124 (ogf, ocf, format) = definition.groups() 125 if len(params) != len(format): 126 params = [] 127 arg_counter = 1 128 for f in format: 129 arg_name = 'arg%u' % arg_counter 130 params.append(arg_name) 131 arg_counter += 1 132 commands.append((command_name, ogf, ocf, format, params)) 133 params = [] 134 continue 135 return commands 136 137def parse_commands(): 138 global btstack_root 139 commands = [] 140 commands = commands = my_parse_commands(btstack_root + '/' + hci_cmds_c_path) 141 commands = commands = my_parse_commands(btstack_root + '/' + daemon_cmds_c_path) 142 return commands