134 lines
5.2 KiB
Python
134 lines
5.2 KiB
Python
from datetime import datetime
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import re
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from PyQt5.QtWidgets import QMessageBox
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class DataProcessor:
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def __init__(self):
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self.log_buffer = {}
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self.log_time = 10
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self.position = 5
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self.funcode = 'F4'
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@staticmethod
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def encode_data(data):
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"""编码数据"""
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try:
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encoded_data = data.encode('utf-8')
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encoded_data = re.sub(b'(?<!\r)\n', b'\r\n', encoded_data) # 替换换行符
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return encoded_data
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except Exception as e:
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return f"编码失败: {e}"
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@staticmethod
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def decode_data(data):
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"""解码数据"""
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try:
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decoded_data = data.decode('utf-8', errors='replace')
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return decoded_data
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except Exception as e:
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return f"解码失败: {e}"
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@staticmethod
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def format_bytes_to_hexstr_space(data_bytes):
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"""格式化数据为十六进制字符串"""
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out_str = ' '.join(f'{byte:02X}' for byte in data_bytes)
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return out_str
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@staticmethod
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def format_bytes_to_hexstr(data_bytes):
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"""格式化数据为十六进制字符串"""
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out_str = ''.join(f'{byte:02X}' for byte in data_bytes)
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return out_str
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@staticmethod
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def format_hexstr_space_to_bytes(hexstr_space):
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"""将十六进制字符串转换为字节数组"""
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send_list = []
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input_s = hexstr_space.strip() # 移除所有空格
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# 将输入字符串转换为十六进制数值列表
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while input_s != '':
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try:
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# 尝试将字符串的前两个字符转换为十六进制数
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num = int(input_s[0:2], 16)
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except ValueError:
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# 如果转换失败，弹出错误提示并返回None
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msg_box = QMessageBox()
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msg_box.setIcon(QMessageBox.Critical)
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msg_box.setWindowTitle('串口异常')
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msg_box.setText('请输入规范十六进制数据，以空格分开！')
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msg_box.exec_()
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return None
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# 更新输入字符串，移除已经处理的前两个字符，并去除前导空格
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input_s = input_s[2:].strip()
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# 将转换后的十六进制数添加到发送列表中
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send_list.append(num)
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out_bytes = bytes(send_list) # 将字符串转换为字节串
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return out_bytes
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@staticmethod
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def crc_rtu(data):
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crc = 0xFFFF
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for pos in data:
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crc ^= pos
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for _ in range(8):
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if (crc & 0x0001) != 0:
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crc >>= 1
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crc ^= 0xA001
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else:
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crc >>= 1
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return crc.to_bytes(2, byteorder='little') # 返回低字节在前
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def auto_save_log_asc(self, port_name, decoded_data):
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# 根据功能码保存数据
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line = decoded_data.split(',')
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if len(line) == 2:
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sav_name = line[0] + '_' + datetime.now().strftime("%Y-%m-%d") + '.txt'
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sav_str = datetime.now().strftime("%Y-%m-%dT%H:%M:%S.%f")[:23] + " " + line[1]
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else:
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sav_name = port_name + '_' + datetime.now().strftime("%Y-%m-%d") + '.log'
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sav_str = datetime.now().strftime("%Y-%m-%dT%H:%M:%S.%f")[:23] + " " + decoded_data
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self.auto_save_Log(sav_name, sav_str)
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def auto_save_log_hex(self, port_name, data_bytes):
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data_hex_str = self.format_bytes_to_hexstr(data_bytes)
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out_str = self.format_bytes_to_hexstr_space(data_bytes)
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if data_hex_str[2 * self.position:2 * self.position + 2] == self.funcode:
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sav_name = data_hex_str[0:8] + '_' + datetime.now().strftime("%Y-%m-%d") + '.txt'
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sav_str = datetime.now().strftime("%Y-%m-%dT%H:%M:%S.%f")[:23] + " " + out_str[12:] + "\r\n"
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# 当表示浓度的字符不为0时 将数据单独记录
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if data_hex_str[14:18] != '0000':
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sav_name_out = 'alarm_' + data_hex_str[0:8] + '_' + datetime.now().strftime("%Y-%m-%d") + '.txt'
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sav_str_out = datetime.now().strftime("%Y-%m-%dT%H:%M:%S.%f")[:23] + " " + out_str[12:] + "\r\n"
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with open(sav_name_out, mode='a', newline='', encoding='utf-8', errors='replace') as file:
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file.writelines(sav_str_out)
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else:
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sav_name = port_name + '_' + datetime.now().strftime("%Y-%m-%d") + '.log'
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sav_str = datetime.now().strftime("%Y-%m-%dT%H:%M:%S.%f")[:23] + " " + out_str + "\r\n"
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self.auto_save_Log(sav_name, sav_str)
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def auto_save_Log(self, sav_name, sav_str):
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# 将日志信息添加到缓冲区
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if sav_name not in self.log_buffer:
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self.log_buffer[sav_name] = []
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self.log_buffer[sav_name].append(sav_str)
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# 当缓冲区中的记录达到10条时，写入文件
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if len(self.log_buffer[sav_name]) >= self.log_time:
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with open(sav_name, mode='a', newline='', encoding='utf-8', errors='replace') as file:
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file.writelines(self.log_buffer[sav_name])
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self.log_buffer[sav_name].clear()
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def update_log_time(self, log_time):
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self.log_time = log_time
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def update_position(self, position):
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self.position = position
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def update_funcode(self, funcode):
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self.funcode = funcode
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