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CANOpen-LSS-理论篇

 myallmy 2023-02-13 发布于北京

CANOpen-LSS-理论篇

1. 报文分析

报文结构

在这里插入图片描述

FastScan模式下调试成功的原始报文数据

序号          传输方向  接收时间标识       帧ID        帧格式  帧类型  数据长度   数据
0		接收   17:56:55.011.0          0x000007ff  数据帧  标准帧  0x01       7f 
1		接收   17:56:55.432.0          0x00000701  数据帧  标准帧  0x01       00 
2		接收   17:56:55.432.0          0x00000000  数据帧  标准帧  0x02       81 00 
3		接收   17:56:55.432.0          0x00000000  数据帧  标准帧  0x02       02 00 
4		接收   17:56:55.432.0          0x000007e5  数据帧  标准帧  0x08       4c 00 00 00 00 00 00 00 
5		接收   17:56:55.432.0          0x000007e4  数据帧  标准帧  0x08       50 00 00 00 00 00 00 00 
6		接收   17:56:55.432.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 00 80 00 00 
7		接收   17:56:55.432.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
8		接收   17:56:56.320.0          0x000007ff  数据帧  标准帧  0x01       04 
9		接收   17:56:56.430.0          0x00000701  数据帧  标准帧  0x01       7f 
10		接收   17:56:56.446.0          0x000007e5  数据帧  标准帧  0x08       51 00 56 34 12 07 00 00 
11		接收   17:56:56.446.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
12		接收   17:56:56.446.0          0x000007e5  数据帧  标准帧  0x08       51 00 56 34 12 06 00 00 
13		接收   17:56:56.461.0          0x000007e5  数据帧  标准帧  0x08       51 40 56 34 12 05 00 00 
14		接收   17:56:56.477.0          0x000007e5  数据帧  标准帧  0x08       51 60 56 34 12 04 00 00 
15		接收   17:56:56.477.0          0x000007e5  数据帧  标准帧  0x08       51 70 56 34 12 03 00 00 
16		接收   17:56:56.493.0          0x000007e5  数据帧  标准帧  0x08       51 78 56 34 12 02 00 00 
17		接收   17:56:56.493.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
18		接收   17:56:56.493.0          0x000007e5  数据帧  标准帧  0x08       51 78 56 34 12 01 00 00 
19		接收   17:56:56.493.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
20		接收   17:56:56.508.0          0x000007e5  数据帧  标准帧  0x08       51 78 56 34 12 00 00 00 
21		接收   17:56:56.508.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
22		接收   17:56:56.524.0          0x000007e5  数据帧  标准帧  0x08       51 78 56 34 12 00 00 01 
23		接收   17:56:56.524.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
24		接收   17:56:56.524.0          0x000007e5  数据帧  标准帧  0x08       51 00 34 12 90 07 01 01 
25		接收   17:56:56.524.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
26		接收   17:56:56.540.0          0x000007e5  数据帧  标准帧  0x08       51 00 34 12 90 06 01 01 
27		接收   17:56:56.556.0          0x000007e5  数据帧  标准帧  0x08       51 40 34 12 90 05 01 01 
28		接收   17:56:56.556.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
29		接收   17:56:56.556.0          0x000007e5  数据帧  标准帧  0x08       51 40 34 12 90 04 01 01 
30		接收   17:56:56.569.0          0x000007e5  数据帧  标准帧  0x08       51 50 34 12 90 03 01 01 
31		接收   17:56:56.569.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
32		接收   17:56:56.584.0          0x000007e5  数据帧  标准帧  0x08       51 50 34 12 90 02 01 01 
33		接收   17:56:56.584.0          0x000007e5  数据帧  标准帧  0x08       51 54 34 12 90 01 01 01 
34		接收   17:56:56.601.0          0x000007e5  数据帧  标准帧  0x08       51 56 34 12 90 00 01 01 
35		接收   17:56:56.601.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
36		接收   17:56:56.617.0          0x000007e5  数据帧  标准帧  0x08       51 56 34 12 90 00 01 02 
37		接收   17:56:56.617.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
38		接收   17:56:56.617.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 00 1f 02 02 
39		接收   17:56:56.617.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
40		接收   17:56:56.631.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 00 1e 02 02 
41		接收   17:56:56.647.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 40 1d 02 02 
42		接收   17:56:56.647.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 60 1c 02 02 
43		接收   17:56:56.663.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 70 1b 02 02 
44		接收   17:56:56.666.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 78 1a 02 02 
45		接收   17:56:56.666.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
46		接收   17:56:56.678.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 78 19 02 02 
47		接收   17:56:56.678.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
48		接收   17:56:56.693.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 78 18 02 02 
49		接收   17:56:56.693.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
50		接收   17:56:56.693.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 78 17 02 02 
51		接收   17:56:56.710.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 80 78 16 02 02 
52		接收   17:56:56.710.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
53		接收   17:56:56.725.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 80 78 15 02 02 
54		接收   17:56:56.725.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
55		接收   17:56:56.725.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 80 78 14 02 02 
56		接收   17:56:56.741.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 90 78 13 02 02 
57		接收   17:56:56.741.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
58		接收   17:56:56.757.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 90 78 12 02 02 
59		接收   17:56:56.757.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
60		接收   17:56:56.757.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 90 78 11 02 02 
61		接收   17:56:56.757.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
62		接收   17:56:56.772.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 90 78 10 02 02 
63		接收   17:56:56.772.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
64		接收   17:56:56.788.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 90 78 0f 02 02 
65		接收   17:56:56.788.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
66		接收   17:56:56.788.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 90 78 0e 02 02 
67		接收   17:56:56.788.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
68		接收   17:56:56.803.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 90 78 0d 02 02 
69		接收   17:56:56.803.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
70		接收   17:56:56.803.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 90 78 0c 02 02 
71		接收   17:56:56.819.0          0x000007e5  数据帧  标准帧  0x08       51 00 10 90 78 0b 02 02 
72		接收   17:56:56.819.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
73		接收   17:56:56.835.0          0x000007e5  数据帧  标准帧  0x08       51 00 10 90 78 0a 02 02 
74		接收   17:56:56.835.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
75		接收   17:56:56.835.0          0x000007e5  数据帧  标准帧  0x08       51 00 10 90 78 09 02 02 
76		接收   17:56:56.851.0          0x000007e5  数据帧  标准帧  0x08       51 00 12 90 78 08 02 02 
77		接收   17:56:56.851.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
78		接收   17:56:56.866.0          0x000007e5  数据帧  标准帧  0x08       51 00 12 90 78 07 02 02 
79		接收   17:56:56.866.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
80		接收   17:56:56.866.0          0x000007e5  数据帧  标准帧  0x08       51 00 12 90 78 06 02 02 
81		接收   17:56:56.866.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
82		接收   17:56:56.882.0          0x000007e5  数据帧  标准帧  0x08       51 00 12 90 78 05 02 02 
83		接收   17:56:56.896.0          0x000007e5  数据帧  标准帧  0x08       51 20 12 90 78 04 02 02 
84		接收   17:56:56.896.0          0x000007e5  数据帧  标准帧  0x08       51 30 12 90 78 03 02 02 
85		接收   17:56:56.896.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
86		接收   17:56:56.913.0          0x000007e5  数据帧  标准帧  0x08       51 30 12 90 78 02 02 02 
87		接收   17:56:56.928.0          0x000007e5  数据帧  标准帧  0x08       51 34 12 90 78 01 02 02 
88		接收   17:56:56.928.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
89		接收   17:56:56.928.0          0x000007e5  数据帧  标准帧  0x08       51 34 12 90 78 00 02 02 
90		接收   17:56:56.928.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
91		接收   17:56:56.943.0          0x000007e5  数据帧  标准帧  0x08       51 34 12 90 78 00 02 03 
92		接收   17:56:56.943.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
93		接收   17:56:56.943.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 00 1f 03 03 
94		接收   17:56:56.943.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
95		接收   17:56:56.959.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 00 1e 03 03 
96		接收   17:56:56.975.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 40 1d 03 03 
97		接收   17:56:56.975.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
98		接收   17:56:56.975.0          0x000007ff  数据帧  标准帧  0x01       04 
99		接收   17:56:56.975.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 40 1c 03 03 
100		接收   17:56:56.991.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 50 1b 03 03 
101		接收   17:56:56.991.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
102		接收   17:56:57.006.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 50 1a 03 03 
103		接收   17:56:57.006.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 54 19 03 03 
104		接收   17:56:57.021.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 56 18 03 03 
105		接收   17:56:57.021.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
106		接收   17:56:57.038.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 56 17 03 03 
107		接收   17:56:57.038.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
108		接收   17:56:57.038.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 00 56 16 03 03 
109		接收   17:56:57.053.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 40 56 15 03 03 
110		接收   17:56:57.053.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 60 56 14 03 03 
111		接收   17:56:57.069.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 70 56 13 03 03 
112		接收   17:56:57.085.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 78 56 12 03 03 
113		接收   17:56:57.085.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
114		接收   17:56:57.085.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 78 56 11 03 03 
115		接收   17:56:57.085.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
116		接收   17:56:57.100.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 78 56 10 03 03 
117		接收   17:56:57.100.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
118		接收   17:56:57.115.0          0x000007e5  数据帧  标准帧  0x08       51 00 00 78 56 0f 03 03 
119		接收   17:56:57.115.0          0x000007e5  数据帧  标准帧  0x08       51 00 80 78 56 0e 03 03 
120		接收   17:56:57.115.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
121		接收   17:56:57.131.0          0x000007e5  数据帧  标准帧  0x08       51 00 80 78 56 0d 03 03 
122		接收   17:56:57.131.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
123		接收   17:56:57.146.0          0x000007e5  数据帧  标准帧  0x08       51 00 80 78 56 0c 03 03 
124		接收   17:56:57.146.0          0x000007e5  数据帧  标准帧  0x08       51 00 90 78 56 0b 03 03 
125		接收   17:56:57.146.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
126		接收   17:56:57.163.0          0x000007e5  数据帧  标准帧  0x08       51 00 90 78 56 0a 03 03 
127		接收   17:56:57.163.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
128		接收   17:56:57.178.0          0x000007e5  数据帧  标准帧  0x08       51 00 90 78 56 09 03 03 
129		接收   17:56:57.178.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
130		接收   17:56:57.178.0          0x000007e5  数据帧  标准帧  0x08       51 00 90 78 56 08 03 03 
131		接收   17:56:57.178.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
132		接收   17:56:57.193.0          0x000007e5  数据帧  标准帧  0x08       51 00 90 78 56 07 03 03 
133		接收   17:56:57.193.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
134		接收   17:56:57.195.0          0x000007e5  数据帧  标准帧  0x08       51 00 90 78 56 06 03 03 
135		接收   17:56:57.195.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
136		接收   17:56:57.209.0          0x000007e5  数据帧  标准帧  0x08       51 00 90 78 56 05 03 03 
137		接收   17:56:57.209.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
138		接收   17:56:57.224.0          0x000007e5  数据帧  标准帧  0x08       51 00 90 78 56 04 03 03 
139		接收   17:56:57.224.0          0x000007e5  数据帧  标准帧  0x08       51 10 90 78 56 03 03 03 
140		接收   17:56:57.224.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
141		接收   17:56:57.239.0          0x000007e5  数据帧  标准帧  0x08       51 10 90 78 56 02 03 03 
142		接收   17:56:57.239.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
143		接收   17:56:57.256.0          0x000007e5  数据帧  标准帧  0x08       51 10 90 78 56 01 03 03 
144		接收   17:56:57.256.0          0x000007e5  数据帧  标准帧  0x08       51 12 90 78 56 00 03 03 
145		接收   17:56:57.256.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
146		接收   17:56:57.271.0          0x000007e5  数据帧  标准帧  0x08       51 12 90 78 56 00 03 03 
147		接收   17:56:57.271.0          0x000007e4  数据帧  标准帧  0x08       4f 00 00 00 00 00 00 00 
148		接收   17:56:57.287.0          0x000007e5  数据帧  标准帧  0x08       5e 00 00 00 00 00 00 00 
149		接收   17:56:57.287.0          0x000007e4  数据帧  标准帧  0x08       5e ff 00 00 00 00 00 00 
150		接收   17:56:57.287.0          0x000007e5  数据帧  标准帧  0x08       5a 00 00 00 00 00 00 00 
151		接收   17:56:57.287.0          0x000007e4  数据帧  标准帧  0x08       5a 78 56 34 12 00 00 00 
152		接收   17:56:57.287.0          0x000007e5  数据帧  标准帧  0x08       5b 00 00 00 00 00 00 00 
153		接收   17:56:57.287.0          0x000007e4  数据帧  标准帧  0x08       5b 56 34 12 90 00 00 00 
154		接收   17:56:57.287.0          0x000007e5  数据帧  标准帧  0x08       5c 00 00 00 00 00 00 00 
155		接收   17:56:57.287.0          0x000007e4  数据帧  标准帧  0x08       5c 34 12 90 78 00 00 00 
156		接收   17:56:57.287.0          0x000007e5  数据帧  标准帧  0x08       5d 00 00 00 00 00 00 00 
157		接收   17:56:57.287.0          0x000007e4  数据帧  标准帧  0x08       5d 12 90 78 56 00 00 00 
158		接收   17:56:57.287.0          0x000007e5  数据帧  标准帧  0x08       11 02 00 00 00 00 00 00 
159		接收   17:56:57.287.0          0x000007e4  数据帧  标准帧  0x08       11 00 00 00 00 00 00 00 
160		接收   17:56:57.287.0          0x000007e5  数据帧  标准帧  0x08       13 00 02 00 00 00 00 00 
161		接收   17:56:57.287.0          0x000007e4  数据帧  标准帧  0x08       13 00 00 00 00 00 00 00 
162		接收   17:56:57.287.0          0x000007e5  数据帧  标准帧  0x08       17 00 00 00 00 00 00 00 
163		接收   17:56:57.287.0          0x000007e4  数据帧  标准帧  0x08       17 01 00 00 00 00 00 00 
164		接收   17:56:57.287.0          0x000007e5  数据帧  标准帧  0x08       04 00 00 00 00 00 00 00 
165		接收   17:56:57.287.0          0x00000702  数据帧  标准帧  0x01       00 
166		接收   17:56:57.287.0          0x000007e5  数据帧  标准帧  0x08       4c 00 00 00 00 00 00 00 
167		接收   17:56:57.442.0          0x00000701  数据帧  标准帧  0x01       7f 
168		接收   17:56:58.285.0          0x000007e5  数据帧  标准帧  0x08       04 01 00 00 00 00 00 00 
169		接收   17:56:58.285.0          0x000007e5  数据帧  标准帧  0x08       15 01 00 00 00 00 00 00 
170		接收   17:56:58.285.0          0x000007e5  数据帧  标准帧  0x08       04 00 00 00 00 00 00 00 
171		接收   17:56:58.301.0          0x00000000  数据帧  标准帧  0x02       82 00 
172		接收   17:56:58.301.0          0x00000702  数据帧  标准帧  0x01       00 
173		接收   17:56:58.441.0          0x00000701  数据帧  标准帧  0x01       7f 
174		接收   17:56:59.439.0          0x00000701  数据帧  标准帧  0x01       7f 
175		接收   17:57:00.438.0          0x00000701  数据帧  标准帧  0x01       7f 
176		接收   17:57:01.437.0          0x00000701  数据帧  标准帧  0x01       7f 
177		接收   17:57:02.235.0          0x00000702  数据帧  标准帧  0x01       7f 
178		接收   17:57:02.437.0          0x00000701  数据帧  标准帧  0x01       7f 

lss部分分析:

[1]MASTER>> LSS_IDENT_REMOTE_NON_CONF 76 //0x4c
    COB-ID:0x7e5   LEN:0x08    DATA:0x4c 0x00 0x00 0x00 0x00 0x00 0x00 0x00   
    //主机询问网络中是否存在未配置设备ID的节点
[2]SLAVE>> LSS_IDENT_NON_CONF_SLAVE  80 //0x50
    COB-ID:0x7e4   LEN:0x08    DATA:0x50 0x00 0x00 0x00 0x00 0x00 0x00 0x00   
    //存在一个或多个从机响应,表明它是未配置节点ID的设备
[3]MASTER>> LSS_IDENT_FASTSCAN   81 //0x51  
    COB-ID:0x7e5   LEN:0x08    DATA:0x51 0x00 0x00 0x00 0x00 0x80 0x00 0x00   
    //从机开始一个新的fastscan周期
[4]SLAVE>> LSS_IDENT_SLAVE    79 //0x4f
    COB-ID:0x7e4   LEN:0x08    DATA:0x4f 0x00 0x00 0x00 0x00 0x80 0x00 0x00   

2. LSS协议原理分析

在这里插入图片描述
NOTE:

上图的文字来自于下面这个例程:
在这里插入图片描述
!!!!不用照着这个流程图自己实现,例程给的代码完全可以用而且非常好用。
还有就是光知道这个流程图是远远不够的,所以才会有这篇文章。

废话太多,进入正题===》

部分1 FastScan的运行原理

在这里插入图片描述

部分2 波特率配置

在这里插入图片描述

波特率配置原则
观点

无论该节点是使用自动/手动分配ID,都应该支持LSS的波特率配置。

为什么?

我们反向论证,假如不这么做会怎么样?
假如当前网络中有100个节点50使用手动配置,50个使用自动配置,手动配置的节点波特率的出厂值都是500K,现在我们想改成1M,那么对于这50个节点的波特率仍需手动配置岂不是非常麻烦!

如何实施

[从节点]:
都需实现CANOpen提供的波特率设置的函数实体
[主机点]:
当主机点一开始就发现网络不存在任何未配置节点,那么就执行相应的命令来配置网络中所有节点的波特率

  1. LSS_CONF_BIT_TIMING
  2. LSS_CONF_STORE
  3. LSS_SM_GLOBAL
  4. LSS_IDENT_REMOTE_NON_CONF
波特率设置的BUG!!!

在这里插入图片描述

部分2 LSS Identify Remote Slaves

在这里插入图片描述

3. 协议命令

#define SDELAY_OFF      0
#define SDELAY_FIRST    1
#define SDELAY_SECOND   2

#define LSS_WAITING_MODE 0
#define LSS_CONFIGURATION_MODE 1

/* Switch mode services */
#define LSS_SM_GLOBAL               0x04//4
#define LSS_SM_SELECTIVE_VENDOR     0x40//64
#define LSS_SM_SELECTIVE_PRODUCT    0x41//65
#define LSS_SM_SELECTIVE_REVISION   0x42//66
#define LSS_SM_SELECTIVE_SERIAL     0x43//67
#define LSS_SM_SELECTIVE_RESP       0x44//68
/* Configuration services */
#define LSS_CONF_NODE_ID            0x11//17
#define LSS_CONF_BIT_TIMING         0x13//19
#define LSS_CONF_ACT_BIT_TIMING     0x15//21
#define LSS_CONF_STORE              0x17//23
/* Inquire services */
#define LSS_INQ_VENDOR_ID       0x5A//90
#define LSS_INQ_PRODUCT_CODE    0x5B//91
#define LSS_INQ_REV_NUMBER      0x5C//92
#define LSS_INQ_SERIAL_NUMBER   0x5D//93
#define LSS_INQ_NODE_ID         0x5E//94
/* Identification services */
#define LSS_IDENT_REMOTE_VENDOR         0x46//70
#define LSS_IDENT_REMOTE_PRODUCT        0x47//71
#define LSS_IDENT_REMOTE_REV_LOW        0x48//72
#define LSS_IDENT_REMOTE_REV_HIGH       0x49//73
#define LSS_IDENT_REMOTE_SERIAL_LOW     0x4A//74
#define LSS_IDENT_REMOTE_SERIAL_HIGH    0x4B//75
#define LSS_IDENT_REMOTE_NON_CONF       0x4C//76
#define LSS_IDENT_SLAVE                 0x4F//79
#define LSS_IDENT_NON_CONF_SLAVE        0x50//80
#define LSS_IDENT_FASTSCAN              0x51//81

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