-
Notifications
You must be signed in to change notification settings - Fork 2
/
E3onCANcodecs.py
201 lines (162 loc) · 7.4 KB
/
E3onCANcodecs.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
"""
Copyright 2023 MyHomeMyData
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.
"""
from udsoncan.common.DidCodec import DidCodec
from typing import Optional, Any
import struct
flag_rawmode = True
class O3ERawCodec(DidCodec):
def __init__(self, string_len: int, idStr: str):
self.string_len = string_len
self.id = idStr
self.complex = False
def decode(self, string_bin: bytes) -> Any:
string_ascii = string_bin.hex()
return string_ascii
def getCodecInfo(self):
return ({"codec": self.__class__.__name__, "len": self.string_len, "id": self.id, "args": {}})
def __len__(self) -> int:
return self.string_len
class O3EFloat16(DidCodec):
def __init__(self, string_len: int, idStr: str, scale: float = 1.0, offset: int = 0):
self.string_len = string_len
self.id = idStr
self.complex = False
self.scale = scale
self.offset = offset
def decode(self, string_bin: bytes) -> Any:
if(flag_rawmode == True):
return O3ERawCodec.decode(self, string_bin)
val = struct.unpack('e', string_bin[self.offset:self.offset+self.string_len])[0]
return float(val) / self.scale
def getCodecInfo(self):
return ({"codec": self.__class__.__name__, "len": self.string_len, "id": self.id, "args": {"scale":self.scale, "offset":self.offset}})
def __len__(self) -> int:
return self.string_len
class O3EFloat32(DidCodec):
def __init__(self, string_len: int, idStr: str, scale: float = 1.0, offset: int = 0):
self.string_len = string_len
self.id = idStr
self.complex = False
self.scale = scale
self.offset = offset
def decode(self, string_bin: bytes) -> Any:
if(flag_rawmode == True):
return O3ERawCodec.decode(self, string_bin)
val = struct.unpack('f', string_bin[self.offset:self.offset+self.string_len])[0]
return float(val) / self.scale
def getCodecInfo(self):
return ({"codec": self.__class__.__name__, "len": self.string_len, "id": self.id, "args": {"scale":self.scale, "offset":self.offset}})
def __len__(self) -> int:
return self.string_len
class O3EFloat64(DidCodec):
def __init__(self, string_len: int, idStr: str, scale: float = 1.0, offset: int = 0):
self.string_len = string_len
self.id = idStr
self.complex = False
self.scale = scale
self.offset = offset
def decode(self, string_bin: bytes) -> Any:
if(flag_rawmode == True):
return O3ERawCodec.decode(self, string_bin)
val = struct.unpack('d', string_bin[self.offset:self.offset+self.string_len])[0]
return float(val) / self.scale
def getCodecInfo(self):
return ({"codec": self.__class__.__name__, "len": self.string_len, "id": self.id, "args": {"scale":self.scale, "offset":self.offset}})
def __len__(self) -> int:
return self.string_len
class O3EInt(DidCodec):
def __init__(self, string_len: int, idStr: str, byte_width: int, scale: float = 1.0, offset: int = 0, signed=False):
self.string_len = string_len
self.byte_width = byte_width
self.id = idStr
self.complex = False
self.scale = scale
self.offset = offset
self.signed = signed
def decode(self, string_bin: bytes) -> Any:
if(flag_rawmode == True):
return O3ERawCodec.decode(self, string_bin)
val = int.from_bytes(string_bin[self.offset:self.offset + self.byte_width], byteorder="little", signed=self.signed)
return float(val) / self.scale
def getCodecInfo(self):
return ({"codec": self.__class__.__name__, "len": self.string_len, "id": self.id, "args": {"scale":self.scale, "signed":self.signed, "offset":self.offset}})
def __len__(self) -> int:
return self.string_len
class O3EInt8(O3EInt):
def __init__(self, string_len: int, idStr: str, scale: float = 1.0, offset: int = 0, signed=False):
O3EInt.__init__(self, string_len, idStr, byte_width=1, scale=scale, offset=offset, signed=signed)
class O3EInt16(O3EInt):
def __init__(self, string_len: int, idStr: str, scale: float = 10.0, offset: int = 0, signed=False):
O3EInt.__init__(self, string_len, idStr, byte_width=2, scale=scale, offset=offset, signed=signed)
class O3EInt32(O3EInt):
def __init__(self, string_len: int, idStr: str, scale: float = 1.0, offset: int = 0, signed=False):
O3EInt.__init__(self, string_len, idStr, byte_width=4, scale=scale, offset=offset, signed=signed)
class O3EcosPhi():
def __init__(self, string_len: int, idStr: str, scale: float = 1.0, signed: bool = True, offset: int = 0):
self.string_len = string_len
self.id = idStr
self.scale = scale
self.signed = signed
self.offset = offset
self.complex = False
def decode(self, string_bin: bytes) -> Any:
if (flag_rawmode == True):
return O3ERawCodec.decode(self, string_bin)
val = string_bin[1+self.offset]
if string_bin[self.offset] == 0x04:
val = -1.0*val
return val/self.scale
def getCodecInfo(self):
return ({"codec": self.__class__.__name__, "len": self.string_len, "id": self.id, "args": {"scale":self.scale, "signed":self.signed, "offset":self.offset}})
def __len__(self) -> int:
return self.string_len
class O3EComplexType():
def __init__(self, string_len: int, idStr: str, subTypes : list):
self.string_len = string_len
self.id = idStr
self.subTypes = subTypes
self.complex = True
def decode(self, string_bin: bytes) -> Any:
if (flag_rawmode == True):
return O3ERawCodec.decode(self, string_bin)
result = dict()
index = 0
for subType in self.subTypes:
result[subType.id] = subType.decode(string_bin[index:index+subType.string_len])
index+=subType.string_len
return dict(result)
def getCodecInfo(self):
argsSubTypes = []
for subType in self.subTypes:
argsSubTypes.append(subType.getCodecInfo())
return ({"codec": self.__class__.__name__, "len": self.string_len, "id": self.id, "args": {"subTypes":argsSubTypes}})
def __len__(self) -> int:
return self.string_len
class O3EStateEM(DidCodec):
def __init__(self, string_len: int, idStr: str, offset: int = 0):
self.string_len = string_len
self.id = idStr
self.offset = offset
def decode(self, string_bin: bytes) -> Any:
if(flag_rawmode == True):
return O3ERawCodec.decode(self, string_bin)
val = string_bin[self.offset]
if val == 4:
return -1
if val == 0:
return 1
return 0
def getCodecInfo(self):
return ({"codec": self.__class__.__name__, "len": self.string_len, "id": self.id, "args": {"offset":self.offset}})
def __len__(self) -> int:
return self.string_len