CAN DL=SF_DL

时间: 2023-10-05 19:08:32 浏览: 46
CAN DL=SF_DL 表示CAN的数据长度等于单帧的数据长度。根据引用中的条件,单帧的数据长度SF_DL需要满足两个条件:SF_DL < CAN_DLSF_DL != 0 且SF_DL <= 6/7(传统CAN)或62/63(CAN FD)。因此,CAN DL可以根据具体的条件和网络类型来确定。引用中提到,CAN网络底层是半双工的,但网络层的工作状态可以根据用户自定义是否为全双工或半双工。因此,CAN DL可以根据具体的网络设置来确定。<span class="em">1</span><span class="em">2</span><span class="em">3</span> #### 引用[.reference_title] - *1* *3* [汽车UDS诊断详解及Vector相关工具链使用说明——3.6 错误处理](https://blog.csdn.net/weixin_42967006/article/details/118487997)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"] - *2* [DL_POLY_5.1.0版本安装版](https://download.csdn.net/download/qq_43191733/85655083)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"] [ .reference_list ]

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请你修改优化代码,要求在读取完lc1和lc5文件后,分别调用save_to_csv函数将解析后的数据保存为CSV文件。1分文件名格式为文件名_1M。CSV,五分钟文件名格式为:文件名_5M.csv, import os import struct import pandas as pd # 常量定义 LC1_FILE_PATH = 'D:\\sz000001.lc1' LC5_FILE_PATH = 'D:\\sz000001.lc5' BYTES_PER_RECORD = 32 SECONDS_PER_MINUTE = 60 MINUTES_PER_HOUR = 60 HOURS_PER_DAY = 24 SECONDS_PER_DAY = SECONDS_PER_MINUTE * MINUTES_PER_HOUR * HOURS_PER_DAY SECONDS_PER_YEAR = SECONDS_PER_DAY * 365 START_YEAR = 2004 def read_lc_file(file_path): """读取lc文件,返回包含数据的DataFrame对象""" with open(file_path, 'rb') as f: buf = f.read() num = len(buf) // BYTES_PER_RECORD dl = [] for i in range(num): a = struct.unpack('hhfffffii', buf[i*BYTES_PER_RECORD:(i+1)*BYTES_PER_RECORD]) date_str = format_date(a[0]) time_str = format_time(a[1]) dl.append([date_str, time_str, a[2], a[3], a[4], a[5], a[6], a[7]]) df = pd.DataFrame(dl, columns=['date', 'time', 'open', 'high', 'low', 'close', 'amount', 'volume']) return df def format_date(date_int): """将日期整数格式化为字符串""" year = START_YEAR + date_int // 2048 month = (date_int % 2048) // 100 day = (date_int % 2048) % 100 return '{:04d}-{:02d}-{:02d}'.format(year, month, day) def format_time(time_int): """将时间整数格式化为字符串""" hour = time_int // 60 minute = time_int % 60 return '{:02d}:{:02d}:00'.format(hour, minute) # 将解析后的数据存入同一路径相同文件名的CSV格式文件中 def save_to_csv(df, file_path): csv_file_path = os.path.splitext(file_path)[0] + '.csv' df.to_csv(csv_file_path, index=False) # 读取lc1文件 df1 = read_lc_file(LC1_FILE_PATH) print(df1) # 读取lc5文件 df5 = read_lc_file(LC5_FILE_PATH) print(df5) save_to_csv(df1, LC1_FILE_PATH) save_to_csv(df5, LC5_FILE_PATH) # 调用save_to_csv函数并将解析后的数据保存为CSV文件 file_name = "lc1" df1.to_csv(file_name + "_1M.csv", index=False) file_name = "lc5" df5.to_csv(file_name + "_5M.csv", index=False)

请修改优化以下代码 import os import struct import pandas as pd # 常量定义 LC1_FILE_PATH = 'D:\\sz000001.lc1' 5_FILE_PATH = 'D:\\sz000001.lc5' BYTES_PER_RECORD = 32 SECONDS_PER_MINUTE = 60 MINUTES_PER_HOUR = 60 HOURS_PER_DAY = 24 SECONDS_PER_DAY = SECONDS_PER_MINUTE * MINUTES_PER_HOUR * HOURS_PER_DAY SECONDS_PER_YEAR = SECONDS_PER_DAY * 365 START_YEAR = 2004 def read_lc_file(file_path): """读取lc文件,返回包含数据的DataFrame对象""" with open(file_path, 'rb') as f: buf = f.read() num = len(buf) // BYTES_PER_RECORD dl = [] for i in range(num): a = struct.unpack('hhfffffii', buf[i*BYTES_PER_RECORD:(i+1)*BYTES_PER_RECORD]) date_str = format_date(a[0]) time_str = format_time(a[1]) dl.append([date_str, time_str, a[2], a[3], a[4], a[5], a[6], a[7]]) df = pd.DataFrame(dl, columns=['date', 'time', 'open', 'high', 'low', 'close', 'amount', 'volume']) return df def format_date(date_int): """将日期整数格式化为字符串""" year = START_YEAR + date_int // 2048 month = (date_int % 2048) // 100 day = (date_int % 2048) % 100 return '{:04d}-{:02d}-{:02d}'.format(year, month, day) def format_time(time_int): """将时间整数格式化为字符串""" hour = time_int // 60 minute = time_int % 60 return '{:02d}:{:02d}:00'.format(hour, minute) # 将解析后的数据存入同一路径相同文件名的CSV格式文件中 def save_to_csv(df, file_path, is_lc1): if is_lc1: interval = '1M' else: interval = '5M' csv_file_path = os.path.splitext(file_path)[0] + '_' + interval + '.csv' df.to_csv(csv_file_path, index=False) # 读取lc1文件 df1 = read_lc_file(LC1_FILE_PATH) print(df1) # 读取lc5文件 df5 = read_lc_file(LC5_FILE_PATH) print(df5) # 调用save_to_csv函数并将解析后的数据保存为CSV文件 save_to_csv(df1, LC1_FILE_PATH, True) save_to_csv(df5, LC5_FILE_PATH, False) # 以lc1和lc5的文件名分别保存五分钟的数据 file_name = os.path.splitext(os.path.basename(LC1_FILE_PATH))[0] df1_5M = df1.resample('5T', label='right', closed='right').agg({'open': 'first', 'high': 'max', 'low': 'min', 'close': 'last', 'amount': 'sum', 'volume': 'sum'}) save_to_csv(df1_5M, LC1_FILE_PATH, False) file_name = os.path.splitext(os.path.basename(LC5_FILE_PATH))[0] df5_5M = df5.resample('5T', label='right', closed='right').agg({'open': 'first', 'high': 'max', 'low': 'min', 'close': 'last', 'amount': 'sum', 'volume': 'sum'}) save_to_csv(df5_5M, LC5_FILE_PATH, False)

Traceback (most recent call last): File "DT_001_X01_P01.py", line 150, in DT_001_X01_P01.Module.load_model File "/home/kejia/Server/tf/Bin_x64/DeepLearning/DL_Lib_02/mmdet/apis/inference.py", line 42, in init_detector checkpoint = load_checkpoint(model, checkpoint, map_location=map_loc) File "/home/kejia/Server/tf/Bin_x64/DeepLearning/DL_Lib_02/mmcv/runner/checkpoint.py", line 529, in load_checkpoint checkpoint = _load_checkpoint(filename, map_location, logger) File "/home/kejia/Server/tf/Bin_x64/DeepLearning/DL_Lib_02/mmcv/runner/checkpoint.py", line 467, in _load_checkpoint return CheckpointLoader.load_checkpoint(filename, map_location, logger) File "/home/kejia/Server/tf/Bin_x64/DeepLearning/DL_Lib_02/mmcv/runner/checkpoint.py", line 244, in load_checkpoint return checkpoint_loader(filename, map_location) File "/home/kejia/Server/tf/Bin_x64/DeepLearning/DL_Lib_02/mmcv/runner/checkpoint.py", line 261, in load_from_local checkpoint = torch.load(filename, map_location=map_location) File "torch/serialization.py", line 594, in load return _load(opened_zipfile, map_location, pickle_module, **pickle_load_args) File "torch/serialization.py", line 853, in _load result = unpickler.load() File "torch/serialization.py", line 845, in persistent_load load_tensor(data_type, size, key, _maybe_decode_ascii(location)) File "torch/serialization.py", line 834, in load_tensor loaded_storages[key] = restore_location(storage, location) File "torch/serialization.py", line 175, in default_restore_location result = fn(storage, location) File "torch/serialization.py", line 157, in _cuda_deserialize return obj.cuda(device) File "torch/_utils.py", line 71, in _cuda with torch.cuda.device(device): File "torch/cuda/__init__.py", line 225, in __enter__ self.prev_idx = torch._C._cuda_getDevice() File "torch/cuda/__init__.py", line 164, in _lazy_init "Cannot re-initialize CUDA in forked subprocess. " + msg) RuntimeError: Cannot re-initialize CUDA in forked subprocess. To use CUDA with multiprocessing, you must use the 'spawn' start method ('异常抛出', None) DT_001_X01_P01 load_model ret=1, version=V1.0.0.0

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