-
Notifications
You must be signed in to change notification settings - Fork 71
/
dbc2excel.py
731 lines (659 loc) · 34.4 KB
/
dbc2excel.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
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
import re
import xlwt
length_of_BO = 5
str_of_BO = 'BO_'
str_of_SG = 'SG_'
location_of_bo_type = 0
location_of_bo_id = 1
location_of_bo_message_name = 2
location_of_bo_dlc = 3
location_of_bo_transmitter = 4
location_of_sg_type = 0
location_of_sg_name = 1
location_of_sg_s_bit_size = 3
location_of_sg_factor = 4
location_of_sg_max_min = 5
location_of_sg_unit = 6
location_of_sg_receiver = 7
if_show_global = 0
excel_page_name = "Matrix"
tittle_row = 0
signal_name_col = 6
excel_tittle = ('Msg Name\n报文名称', 'Msg Type\n报文类型', 'Msg ID\n报文标识符', 'Msg Send Type\n报文发送类型',
'Msg Cycle Time (ms)\n报文周期时间', 'Msg Length (Byte)\n报文长度', 'Signal Name\n信号名称',
'Signal Description\n信号描述', "Byte Order\n排列格式(Intel/Motorola)", "Start Byte\n起始字节",
"Start Bit\n起始位", "Signal Send Type\n信号发送类型", "Bit Length (Bit)\n信号长度", "Date Type\n数据类型",
"Resolution\n精度", "Offset\n偏移量", "Signal Min. Value (phys)\n物理最小值", "Signal Max. Value (phys)\n物理最大值",
"Signal Min. Value (Hex)\n总线最小值", "Signal Max. Value (Hex)\n总线最大值", "Initial Value (Hex)\n初始值",
"Invalid Value(Hex)\n无效值", "Inactive Value (Hex)\n非使能值", "Unit\n单位", "Signal Value Description\n信号值描述",
"Msg Cycle Time Fast(ms)\n报文发送的快速周期(ms)", "Msg Nr. Of Reption\n报文快速发送的次数", "Msg Delay Time(ms)\n报文延时时间(ms)",
)
def SortFun(x):
for i in x:
if "message_id" in i:
return i["message_id"]
break
def set_style( color = 0, bold = False,italic = False):
style = xlwt.XFStyle() # 初始化样式
font = xlwt.Font() # 为样式创建字体
# 字体类型：比如宋体、仿宋也可以是汉仪瘦金书繁
font.name = 'Arial'
# 是否为粗体
font.bold = bold
# 设置字体颜色
font.colour_index = 0
# 字体大小
font.height = 200
# 字体是否斜体
font.italic = italic
# 字体下划,当值为11时。填充颜色就是蓝色
font.underline = 0
# 字体中是否有横线struck_out
font.struck_out =False
# 定义格式
style.font = font
##
borders = xlwt.Borders()
borders.left = 0
borders.right = 0
borders.top = 0
borders.bottom = 0
borders.left = xlwt.Borders.THIN
borders.right = xlwt.Borders.THIN
borders.top = xlwt.Borders.THIN
borders.bottom = xlwt.Borders.THIN
style.borders = borders
##
alignment = xlwt.Alignment() # 创建居中
alignment.horz = xlwt.Alignment.HORZ_CENTER # 可取值: HORZ_GENERAL, HORZ_LEFT, HORZ_CENTER, HORZ_RIGHT, HORZ_FILLED, HORZ_JUSTIFIED, HORZ_CENTER_ACROSS_SEL, HORZ_DISTRIBUTED
alignment.vert = xlwt.Alignment.VERT_CENTER # 可取值: VERT_TOP, VERT_CENTER, VERT_BOTTOM, VERT_JUSTIFIED, VERT_DISTRIBUTED
alignment.wrap = xlwt.Alignment.WRAP_AT_RIGHT # 自动换行
style.alignment = alignment # 给样式添加文字居中属性
# 设置背景颜色
pattern = xlwt.Pattern()
# 设置背景颜色的模式
pattern.pattern = xlwt.Pattern.SOLID_PATTERN
# 背景颜色
pattern.pattern_fore_colour = color
style.pattern = pattern
return style
#DBC LOAD CLASS
class DbcLoad(object):
def __init__(self, dbc_name_in):
self.dbc_fd = open(dbc_name_in, 'r')
if self.dbc_fd.readable():
if(if_show_global):
print('>>>DBC File loaded!')
self.num_of_bo = 0
self.num_of_sg = 0
self.dbc_list = []
self.dbc_name = dbc_name_in
self.dbc_cycle_time = {}
self.tran_recv = set()
self.tran_recv_list = []
##excel生成条件变量
self.if_sig_desc = True
self.if_sig_val_desc = True
self.val_description_max_number = 70
self.if_start_val = True
self.if_recv_send = True
else:
if (if_show_global):
print("DEC file load failed!")
def cm_put(self, canid, sg_name, comment):
dbc_length = len(self.dbc_list)
i = 0
j = 0
while i < dbc_length:
flag = 0
for bo_line in self.dbc_list[i]:
if 'message_id' in bo_line:
if bo_line['message_id'] == canid and flag == 0:
#bo_index_len = len(self.dbc_list[i])
flag = 1
if flag == 1:
if 'signal_name' in bo_line:
if bo_line['signal_name'] == sg_name:
bo_line['comment'] = comment
break
i = i+1
def put_inedx(self, canid, sg_name, index, comment):
dbc_length = len(self.dbc_list)
i = 0
j = 0
while i < dbc_length:
flag = 0
for bo_line in self.dbc_list[i]:
if 'message_id' in bo_line:
if bo_line['message_id'] == canid and flag == 0:
#bo_index_len = len(self.dbc_list[i])
flag = 1
if flag == 1:
if 'signal_name' in bo_line:
if bo_line['signal_name'] == sg_name:
bo_line[index] = comment
break
i = i+1
def bit_mask(self, nbits):
ret = 0
for i in range(nbits ):
ret = ret * 2 + 1
return ret
def parse_dbc(self, if_show, if_sig_desc,if_sig_val_desc,val_description_max_number,if_start_val,if_recv_send,if_asc_sort):
self.if_sig_desc = if_sig_desc
self.if_sig_val_desc = if_sig_val_desc
self.val_description_max_number = val_description_max_number
self.if_start_val = if_start_val
self.if_recv_send = if_recv_send
line_list = self.dbc_fd.readlines()
#读取cycletime
i = 0
length = len(line_list)
while i < length:
if len(line_list[i].split()) > 2:
if line_list[i].split()[0] == 'BA_' and line_list[i].split()[1] == '"GenMsgCycleTime"':
#查找到了相应的cycletime的line
self.dbc_cycle_time[line_list[i].split()[3]] = int(re.sub(';', '', line_list[i].split()[4]))
if (if_show_global):
print(line_list[i].split())
i += 1
#读取具体讯息
i = 0
length = len(line_list)
while i < length:
if len(line_list[i].split()) == length_of_BO:
if line_list[i].split()[0] == str_of_BO: #检测BOlist
bo_list = []
bo_line = line_list[i].split()
if if_show:
print(bo_line)
##对BO_LIST的操作
self.num_of_bo += 1
##构造bo字典
bo_dict = {}
bo_dict['type'] = bo_line[location_of_bo_type]
bo_dict['message_id'] = int(bo_line[location_of_bo_id])
bo_dict['message_name'] = re.sub(':', '', bo_line[location_of_bo_message_name])
bo_dict['message_size'] = int(bo_line[location_of_bo_dlc])
bo_dict['transmitter'] = bo_line[location_of_bo_transmitter]
if str(bo_dict['message_id']) in self.dbc_cycle_time:
bo_dict['cycle_time'] = self.dbc_cycle_time[str(bo_dict['message_id'])]
bo_list.append(bo_dict) #加入bo_list中
if if_show:
print('转换得到：'+str(bo_dict))
##对BO_LIST的操作
if line_list[i+1] != "\n":
i += 1
while line_list[i].split()[0] == str_of_SG : #循环读取SGlist
sg_list = line_list[i].split()
if if_show:
print(sg_list)
##对SG_LIST的操作
self.num_of_sg += 1
sg_dict = {}
sg_dict['type'] = sg_list[location_of_sg_type]
sg_dict['signal_name'] = sg_list[location_of_sg_name]
if(sg_list[2] != ":"):
offset = 1
else:
offset = 0
end_of_start = sg_list[location_of_sg_s_bit_size+offset].find('|')
end_of_size = sg_list[location_of_sg_s_bit_size+offset].find('@')
sg_dict['start_bit'] = int(sg_list[location_of_sg_s_bit_size+offset][0:end_of_start])
sg_dict['signal_size'] = int(sg_list[location_of_sg_s_bit_size+offset][end_of_start+1:end_of_size])
sg_dict['byte_order'] = int(sg_list[location_of_sg_s_bit_size+offset][end_of_size+1])
sg_dict['value_type'] = sg_list[location_of_sg_s_bit_size+offset][end_of_size+2]
if sg_dict['value_type'] == '+':
sg_dict['value_type'] = 0
else:
sg_dict['value_type'] = 1
end_of_factor = sg_list[location_of_sg_factor+offset].find(',')
end_of_offset = sg_list[location_of_sg_factor+offset].find(')')
sg_dict['factor'] = float(sg_list[location_of_sg_factor+offset][1:end_of_factor])
sg_dict['offset'] = float(sg_list[location_of_sg_factor+offset][end_of_factor+1:end_of_offset])
end_of_min = sg_list[location_of_sg_max_min+offset].find('|')
end_of_max = sg_list[location_of_sg_max_min+offset].find(']')
sg_dict['minimum'] = float(sg_list[location_of_sg_max_min+offset][1:end_of_min])
sg_dict['maximum'] = float(sg_list[location_of_sg_max_min+offset][end_of_min+1:end_of_max])
sg_dict['unit'] = re.sub('"', '', sg_list[location_of_sg_unit+offset])
sg_dict['receiver'] = sg_list[location_of_sg_receiver+offset]
if(sg_dict['byte_order'] == 1):
sg_dict['true_start_bit'] = sg_dict['start_bit']
else:
if (sg_dict['signal_size'] <= 8 and (sg_dict['start_bit'] % 8 + 1) >= sg_dict['signal_size'] ):
sg_dict['true_start_bit'] = sg_dict['start_bit'] - sg_dict['signal_size'] + 1
else:
start = sg_dict['start_bit']
size = sg_dict['signal_size']
offset = 0
#cross_bytes = 0
if((start + 1) % 8 == 0):
offset = 8 - size % 8
cross_bytes = int(size / 8) - 1
sg_dict['true_start_bit'] = start + cross_bytes * 8 + offset + 1
else:
size = size - start % 8 - 1
start = start + 7 - start % 8
offest = 8 - size % 8
cross_bytes = int(size / 8) - 1
sg_dict['true_start_bit'] = start + cross_bytes * 8 + offset + 1
bo_list.append(sg_dict) #加入bo_list中
if if_show:
print('起始位：'+str(sg_dict['start_bit']), end=' ')
print('长度：' + str(sg_dict['signal_size']), end=' ')
print('格式：' + str(sg_dict['byte_order']), end=' ')
print('是否有符号：' + str(sg_dict['value_type']), end=' ')
print('factor：' + str(sg_dict['factor']), end=' ')
print('offset：' + str(sg_dict['offset']), end=' ')
print('最小值：' + str(sg_dict['minimum']), end=' ')
print('最大值：' + str(sg_dict['maximum']), end=' ')
print('单位：' + sg_dict['unit'], end=' ')
print('接收单元：' + sg_dict['receiver'], end=' ')
print()
##对SG_LIST的操作
i += 1
if len(line_list[i].split()) == 0: #不是SGlist 则break！
if if_show:
print()
break
elif line_list[i].split()[0] != str_of_SG:
break
self.dbc_list.append(bo_list)
if if_show:
print("DBC数量:" + str(self.num_of_bo))
i += 1
#读取CM_ SG_Signal Description
if(self.if_sig_desc):
i = 0
length = len(line_list)
bo_id = 0
sg_name = ''
while i < length:
if len(line_list[i].split()) > 2:
if line_list[i].split()[0] == 'CM_' and line_list[i].split()[1] == 'SG_':#查找到了相应的CM的line
bo_id = int(line_list[i].split()[2])
sg_name = line_list[i].split()[3]#获取canid和sgname
#截取cm
if line_list[i][-2] != ';':
comment = str(line_list[i].split('"')[-1])
t = 0
while(True):
t = t + 1
comment = comment + line_list[i+t]
if( line_list[i + t] != "\n"):
if (line_list[i + t][-2] == ';'):
break
# if line_list[i][-2] == ';':
# break
else:
comment = line_list[i].split('"')[-2]
#print(line_list[i])
#self.cm_put(bo_id, sg_name, comment)
self.put_inedx(bo_id,sg_name,"comment",comment)
if if_show:
print(str(bo_id)+' '+sg_name)
print(comment)
i += 1
#读取START_VALUE
if(self.if_start_val ):
i = 0
length = len(line_list)
bo_id = 0
sg_name = ''
while i < length:
if len(line_list[i].split()) > 2:
if line_list[i].split()[0] == 'BA_' and line_list[i].split()[1] == '"GenSigStartValue"':#查找到了相应的START_VALUE
bo_id = int(line_list[i].split()[3])
sg_name = line_list[i].split()[4]
inital_value = hex(int(float((line_list[i].split()[5].rstrip(';')))))
self.put_inedx(bo_id, sg_name, "inital_value", inital_value)
if if_show:
print(str(bo_id)+' '+sg_name+str(inital_value))
print(comment)
i += 1
#信号值描述
if(self.if_sig_val_desc):
i = 0
length = len(line_list)
bo_id = 0
sg_name = ''
while i < length:
if len(line_list[i].split()) > 2:
if line_list[i].split()[0] == 'VAL_':#查找到了相应的描述
bo_id = int(line_list[i].split()[1])
sg_name = line_list[i].split()[2]
j = 1
val_des_list = []
#数字
val_des_list.append(str(hex(int(line_list[i].split()[3])))+': ')
while line_list[i].split()[j] != ' ;\n':
val_des_list.append(line_list[i].split('"')[j]+'\n')
j = j+1
if line_list[i].split('"')[j] == ' ;\n' or line_list[i].split('"')[j] == ' ;':
break
#数字
val_des_list.append(str(hex(int(line_list[i].split('"')[j])))+': ')
#val_des_list.append(str(line_list[i].split('"')[j])+': ')
j = j+1
if len(val_des_list) <= self.val_description_max_number:
self.put_inedx(bo_id, sg_name, "val_description", val_des_list)
#val_des_list = []
i += 1
#读取发送者和接收者
if(self.if_recv_send):
len_of_dbc_list = len(self.dbc_list)
i = 0
while i < len_of_dbc_list:
for bo_line in self.dbc_list[i]:
if 'transmitter' in bo_line:
if bo_line['transmitter'].find(',') != -1:
self.tran_recv.add(bo_line['transmitter'].split(','))
else:
self.tran_recv.add(bo_line['transmitter'])
#self.tran_recv.add(bo_line['transmitter'])
if 'receiver' in bo_line:
if bo_line['receiver'].find(',')!= -1:
self.tran_recv.add(bo_line['receiver'].split(',')[0])
self.tran_recv.add(bo_line['receiver'].split(',')[1])
else:
self.tran_recv.add(bo_line['receiver'])
#self.tran_recv.add(bo_line['receiver'])
i += 1
for each in self.tran_recv:
self.tran_recv_list.append(each)
if (if_show_global):
print(self.tran_recv_list)
############打印结果
if if_show:
print(self.tran_recv_list)
if if_show:
print('dbc文件一共有{}个BO信号'.format(self.num_of_bo))
##为canid排序
sort_flag = False
if if_asc_sort == False:
sort_flag = True
self.dbc_list = sorted(self.dbc_list, key=SortFun, reverse=sort_flag)
return self.dbc_list
def dbc_info(self):
length = len(self.dbc_list)
if (if_show_global):
print("DBC中一共的信号：" + str(length))
i = 0
while i < length:
for line in self.dbc_list[i]:
print(line)
print()
i = i + 1
def dbc_head_code_gen(self):
end_of_dbc = str(self.dbc_name).find('.')
head_code_fd = open(str(self.dbc_name[0:end_of_dbc])+'.h', 'w+')
head_code_fd.write('#ifndef '+'__'+str(self.dbc_name[0:end_of_dbc]).upper() + '_'+'H__'+'\n')
head_code_fd.write('#define ' + '__' + str(self.dbc_name[0:end_of_dbc]).upper() + '_' + 'H__'+'\n')
#编译所有BO进行结构体定义
bo_list_struct = []
length = len(self.dbc_list)
if (if_show_global):
print("DBC中一共的信号：" + str(length))
i = 0
while i < length:
# 定义struct结构体
for line in self.dbc_list[i]: #line为每个bo中的字典
if 'message_id' in line:
head_code_fd.write('struct ' + 'BO_' + str(line['message_id']) + '{' + '\n')
head_code_fd.write(' '+'double cycle_time'+';'+'\n')
bo_list_struct.append('struct ' + 'BO_' + str(line['message_id']) + ' message_' + str(line['message_id']) )
#定义struct内部的成员
for line_sg in self.dbc_list[i]: #line为每个bo中的字典
if 'message_id' in line_sg:
pass
else:
head_code_fd.write(' '+ 'double ' + line_sg['signal_name'] + ';'+'\n')
# 定义struct结构体尾部
head_code_fd.write( '};' + '\n\n')
i += 1
#生成一个总的bolist结构
head_code_fd.write(' struct ' + 'BO_List' + '{' + '\n')
for i in bo_list_struct:
head_code_fd.write(' '+i + ';' + '\n')
head_code_fd.write('};' + '\n')
#接收buffer结构体的定义
bo_list_struct = []
length = len(self.dbc_list)
if (if_show_global):
print("DBC中一共的信号：" + str(length))
i = 0
while i < length:
# 定义struct结构体
for line in self.dbc_list[i]: #line为每个bo中的字典
if 'message_id' in line:
head_code_fd.write('struct ' + 'BO_' + str(line['message_id']) +'_recv'+ '{' + '\n')
bo_list_struct.append('struct ' + 'BO_' + str(line['message_id']) + ' message_' + str(line['message_id'])+'_recv' )
#定义struct内部的成员
for line_sg in self.dbc_list[i]: #line为每个bo中的字典
if 'message_id' in line_sg:
pass
else:
head_code_fd.write(' '+ 'double ' + line_sg['signal_name'] + ';'+'\n')
# 定义struct结构体尾部
head_code_fd.write( '};' + '\n\n')
i += 1
#生成一个总的bolist结构
head_code_fd.write(' struct ' + 'BO_List_Recv' + '{' + '\n')
for i in bo_list_struct:
head_code_fd.write(' '+i + ';' + '\n')
head_code_fd.write('};' + '\n')
#endif结尾
head_code_fd.write('#endif '+'\n')
#解析代码生成
def dbc_parse_code_gen(self):
end_of_dbc = str(self.dbc_name).find('.')
parse_code_fd = open('parse.c', 'w+')
#包含头文件
parse_code_fd.write('#include ' + '"'+str(self.dbc_name[0:end_of_dbc])+'.h' + '"' + '\n')
#解析代码生成
parse_code_fd.write('int parse(struct can_frame * frame, struct BO_List* bo_list) \n')
parse_code_fd.write('{ \n')
parse_code_fd.write('int message_id = frame->can_id \n')
#switch case 头
parse_code_fd.write('switch (message_id) {\n')
#具体解析
#遍历dbc_list
length = len(self.dbc_list)
i = 0
while i < length:
for bo_sg in self.dbc_list[i]: #bo_sg为每个bo里的sg和bo字典
if 'message_name' in bo_sg:
#case 头
parse_code_fd.write('case ' + str(bo_sg['message_id']) + ':\n')
messageg_id = 'message_id_' + str(bo_sg['message_id'])
parse_code_fd.write(' double tmp = 0 \n')
#具体解析过程
if 'signal_name' in bo_sg:
if bo_sg['signal_size'] <= 8:
parse_code_fd.write(' tmp = 0 \n')
parse_code_fd.write(' tmp = ')
location = int(bo_sg['start_bit'] / 8)
mask_bit = self.bit_mask(bo_sg['signal_size'])
move_size = (bo_sg['start_bit'] % 8) - bo_sg['signal_size'] + 1
#初步提取
parse_code_fd.write('(frame->' + 'data[' + str(location) + ']' + '&' + '(' + str(mask_bit) + '<<' + str(move_size) +'))>>'+str(move_size) + ';\n')
#是否有符号
if bo_sg['value_type']:
#8字节：
parse_code_fd.write(' tmp = (signed char)tmp; \n')
#factor and offset
parse_code_fd.write(' tmp = tmp * ' + str(bo_sg['factor']) + '+'+ str(bo_sg['offset']) + ';\n')
#Max and Min
parse_code_fd.write(' if(tmp > {}) \n'.format(str(bo_sg['maximum'])))
parse_code_fd.write(' tmp = {};\n'.format(str(bo_sg['maximum'])))
parse_code_fd.write(' if(tmp < {}) \n'.format(str(bo_sg['minimum'])))
parse_code_fd.write(' tmp = {};\n'.format(str(bo_sg['minimum'])))
parse_code_fd.write(' '+'bo_list->' + messageg_id + '->' + bo_sg['signal_name'] + ' = tmp ;\n')
#break 尾部
parse_code_fd.write(' '+'break;\n')
parse_code_fd.write('\n')
i += 1
#switch case 结束花括号
parse_code_fd.write(' '+'default:return -1;\n')
parse_code_fd.write('}\n')
#parse函数结束花括号
parse_code_fd.write('\n}\n')
def dbc_define_gen(self):
length = len(self.dbc_list)
i = 0
dbc_define_fd = open(self.dbc_name[0:str(self.dbc_name).find('.')] + '_define.h', 'w+')
while i < length:
j = -1
for bo_sg in self.dbc_list[i]: #bo_sg为每个bo里的sg和bo字典
if 'signal_name' in bo_sg :
dbc_define_fd.write('#define ' + str(bo_sg['signal_name']) +' BO_List[{}]->SG_List[{}]->value'.format(str(i), str(j)) + '\n')
dbc_define_fd.write('#define ' + str(bo_sg['signal_name'])+'_s' + ' BO_List[{}]->SG_List[{}]->value_send'.format(str(i), str(j)) + '\n')
j += 1
dbc_define_fd.write('\n')
i += 1
def dbc_excel_gen(self):
if (if_show_global):
print(">>>")
print(self.dbc_list)
book = xlwt.Workbook(encoding='utf-8')
sheet = book.add_sheet(excel_page_name, cell_overwrite_ok = True)
row_counter = 0
#write tittle
tittle_len = len(excel_tittle)
i = 0
while i < tittle_len:
sheet.write(tittle_row, i, excel_tittle[i], set_style(0x28, True, True))
i = i+1
tran_recv_len = len(self.tran_recv_list)
tmp = i + tran_recv_len
j = 0
while i < tmp:
sheet.write(tittle_row, i, self.tran_recv_list[j], set_style(0x28, True, True))
i += 1
j += 1
#调整行距离
col0 = sheet.col(0)
col0.width = 700*20
col0 = sheet.col(2)
col0.width = 200*20
col0 = sheet.col(6)
col0.width = 400*20
col0 = sheet.col(7)
col0.width = 700*20
col0 = sheet.col(24)
col0.width = 700*20
#write BO units
dbc_length = len(self.dbc_list)
style = set_style(255, True, True)
style_index = set_style(255, False, False)
# alignment = xlwt.Alignment() # 创建居中
# alignment.horz = xlwt.Alignment.HORZ_CENTER # 可取值: HORZ_GENERAL, HORZ_LEFT, HORZ_CENTER, HORZ_RIGHT, HORZ_FILLED, HORZ_JUSTIFIED, HORZ_CENTER_ACROSS_SEL, HORZ_DISTRIBUTED
# alignment.vert = xlwt.Alignment.VERT_CENTER # 可取值: VERT_TOP, VERT_CENTER, VERT_BOTTOM, VERT_JUSTIFIED, VERT_DISTRIBUTED
# alignment.wrap = xlwt.Alignment.WRAP_AT_RIGHT # 自动换行
# style.alignment = alignment # 给样式添加文字居中属性
i = 0
while i < dbc_length:#dbc_length
for bo_unit in self.dbc_list[i]:#for bo_unit in self.dbc_list[i]:
if 'message_id' in bo_unit:
row_counter = row_counter + 1
sheet.write(tittle_row + row_counter, 0, bo_unit['message_name'], set_style(0x0D, True, True))
sheet.write(tittle_row + row_counter, 1, 'normal', set_style(0x28, True, True))
sheet.write(tittle_row + row_counter, 2, str(hex(bo_unit['message_id'])), set_style(0x0D, True, True))
if 'cycle_time' in bo_unit:
sheet.write(tittle_row + row_counter, 3, 'cycle', set_style(0x28, True, True))
sheet.write(tittle_row + row_counter, 4, bo_unit['cycle_time'], set_style(0x0D, True, True))
else:
sheet.write(tittle_row + row_counter, 3, 'NULL', set_style(0x28, True, True))
sheet.write(tittle_row + row_counter, 4, 'NULL', set_style(0x0D, True, True))
sheet.write(tittle_row + row_counter, 5, bo_unit['message_size'], set_style(0x28, True, True))
#发送者和接收者
k = 0
tran_recv_len = len(self.tran_recv_list)
while k < tran_recv_len:
if 'transmitter' in bo_unit:
if bo_unit['transmitter'].find(self.tran_recv_list[k]) != -1:
sheet.write(tittle_row + row_counter, signal_name_col + 22 + k, 'S', style_index)
else:
sheet.write(tittle_row + row_counter, signal_name_col + 22 + k, '', style_index)
k += 1
if 'signal_name' in bo_unit:
row_counter = row_counter + 1
#信号名称
sheet.write(tittle_row + row_counter, signal_name_col, bo_unit['signal_name'],style)
#信号描述
if 'comment' in bo_unit:
sheet.write(tittle_row + row_counter, signal_name_col + 1, bo_unit['comment'],style_index)
else:
sheet.write(tittle_row + row_counter, signal_name_col + 1, '', style_index)
#字节序
if bo_unit['byte_order'] == 0:
sheet.write(tittle_row + row_counter, signal_name_col + 2, "Motorola LSB",style_index)
else:
sheet.write(tittle_row + row_counter, signal_name_col + 2, "Intel",style_index)
#起始字节
sheet.write(tittle_row + row_counter, signal_name_col + 3, str(int(bo_unit['true_start_bit'] / 8)),style_index)
#起始位
sheet.write(tittle_row + row_counter, signal_name_col + 4, str(bo_unit['true_start_bit']),style_index)
#循环类型
sheet.write(tittle_row + row_counter, signal_name_col + 5, 'cycle',style_index)
#信号类型
sheet.write(tittle_row + row_counter, signal_name_col + 6, str(bo_unit['signal_size']),style_index)
#数据类型
if bo_unit['value_type'] == 0:
sheet.write(tittle_row + row_counter, signal_name_col + 7, 'unsigned',style_index)
else:
sheet.write(tittle_row + row_counter, signal_name_col + 7, 'signed',style_index)
#信号精度
sheet.write(tittle_row + row_counter, signal_name_col + 8, str(bo_unit['factor']),style_index)
sheet.write(tittle_row + row_counter, signal_name_col + 9, str(bo_unit['offset']),style_index)
sheet.write(tittle_row + row_counter, signal_name_col + 10, str(bo_unit['minimum']),style_index)
sheet.write(tittle_row + row_counter, signal_name_col + 11, str(bo_unit['maximum']),style_index)
sheet.write(tittle_row + row_counter, signal_name_col + 12, '0x00',style_index)
sheet.write(tittle_row + row_counter, signal_name_col + 13, str(hex(2**bo_unit['signal_size'] - 1)),style_index)
#初始值
if 'inital_value' in bo_unit:
sheet.write(tittle_row + row_counter, signal_name_col + 14, bo_unit['inital_value'],style_index)
else:
sheet.write(tittle_row + row_counter, signal_name_col + 14, '',style_index)
sheet.write(tittle_row + row_counter, signal_name_col + 15, '',style_index)
sheet.write(tittle_row + row_counter, signal_name_col + 16, '',style_index)
sheet.write(tittle_row + row_counter, signal_name_col + 17, bo_unit['unit'],style_index)
#信号描述
if 'val_description' in bo_unit:
sheet.write(tittle_row + row_counter, signal_name_col + 18, bo_unit['val_description'],style_index)
else:
sheet.write(tittle_row + row_counter, signal_name_col + 18, '',
style_index)
#周期次数延时
sheet.write(tittle_row + row_counter, signal_name_col + 19, '',style_index)
sheet.write(tittle_row + row_counter, signal_name_col + 20, '',style_index)
sheet.write(tittle_row + row_counter, signal_name_col + 21, '',style_index)
#发送者和接收者
k = 0
tran_recv_len = len(self.tran_recv_list)
while k < tran_recv_len:
if 'receiver' in bo_unit:
if bo_unit['receiver'].find(self.tran_recv_list[k]) != -1:
sheet.write(tittle_row + row_counter, signal_name_col + 22 + k, 'R', style_index)
else:
sheet.write(tittle_row + row_counter, signal_name_col + 22 + k, '', style_index)
k += 1
#book.save(self.dbc_name.replace('.', '_') + '.xls')
i = i+1
book.save(self.dbc_name.replace('.', '_') + '.xls')
def dbc2excel(self, filepath,if_sig_desc,if_sig_val_desc,val_description_max_number,if_start_val,if_recv_send,if_asc_sort):
self.dbc_fd = open(filepath, 'r')
self.dbc_name = filepath.split("\\")[-1]
self.parse_dbc(0,if_sig_desc,if_sig_val_desc,val_description_max_number,if_start_val,if_recv_send, if_asc_sort)
self.dbc_excel_gen()
if __name__ == "__main__":
print("...")
#dbc_cls = DbcLoad('Huanghonglei.dbc')
##dbc_cls.dbc2excel('Tx2TryDBC.dbc')
#dbc_cls.parse_dbc(1,1,1,1,1,1)
# dbc_cls.dbc_info()
# dbc_cls.dbc_excel_gen()
###############################
#dbc_cls.dbc_head_code_gen()
#dbc_cls.dbc_parse_code_gen()
#dbc_cls.dbc_define_gen()