210 lines
6.8 KiB
Python
210 lines
6.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Created on Tue May 28 15:40:48 2024
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@author: WANGXIBAO
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"""
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# -*- coding: utf-8 -*-
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import time,math,os
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import re,csv,datetime
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import sys
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from PyQt5.QtCore import QThread, pyqtSignal,Qt
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from PyQt5.QtWidgets import QMessageBox
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from PyQt5.QtChart import QChart, QValueAxis, QSplineSeries,QLineSeries
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# 波形显示
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class QChartViewPlot(QChart):
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# 相位振动波形
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def __init__(self, parent=None):
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super(QChartViewPlot, self).__init__(parent)
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self.window = parent
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self.xRange = 60
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self.counter = 0
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self.seriesList = []
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self.legend().show()
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self.axisX = QValueAxis()
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self.axisX.setRange(0, self.xRange)
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self.addAxis(self.axisX, Qt.AlignBottom)
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# self.setAxisX(self.axisX, series)
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self.y_min = 0
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self.y_max = 100
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self.axisY = QValueAxis()
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self.axisY.setRange(self.y_min, self.y_max)
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self.addAxis(self.axisY, Qt.AlignLeft)
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# self.setAxisY(self.axisY, series)
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#self.series = QSplineSeries()
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self.series = QLineSeries()
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self.series.setName("波形")
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self.series.setUseOpenGL(True)
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self.addSeries(self.series)
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self.series.attachAxis(self.axisX)
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self.series.attachAxis(self.axisY)
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def handle_update(self, ydata):
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# 更新y值
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if self.counter < self.xRange:
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self.series.append(self.counter, ydata)
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self.counter += 1
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points = self.series.pointsVector()
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self.y_min = min(points, key=lambda point: point.y()).y()
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self.y_max = max(points, key=lambda point: point.y()).y()
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else:
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points = self.series.pointsVector()
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for i in range(self.xRange - 1):
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points[i].setY(points[i + 1].y())
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points[-1].setY(ydata)
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self.y_min = min(points, key=lambda point: point.y()).y()
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self.y_max = max(points, key=lambda point: point.y()).y()
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self.series.replace(points)
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self.axisY.setRange(math.floor(self.y_min/1.2),math.ceil( self.y_max*1.2))
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# def handle_update(self, ydata):
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# # 滚动更新数据点
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# if len(self.series.pointsVector()) >= self.xRange:
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# # 移除最旧的数据点
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# self.series.remove(0, 1)
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# # 添加新的数据点
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# self.series.append(self.counter, ydata)
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# else:
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# self.series.append(self.counter, ydata)
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# # 更新计数器
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# self.counter += 1
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# # 动态调整Y轴范围
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# points = self.series.pointsVector()
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# if points:
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# self.y_min = min(points, key=lambda point: point.y()).y()
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# self.y_max = max(points, key=lambda point: point.y()).y()
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# self.axisY.setRange(math.floor(self.y_min * 0.9), math.ceil(self.y_max * 1.1))
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#print("更新",datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f"))
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#print(round(self.y_min/1.2),math.ceil( self.y_max*1.2))
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# 使用线程不断更新波形数据
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class UpdateDataThread(QThread):
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_signal_update = pyqtSignal(float) # 信号
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def __init__(self, parent=None):
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super(UpdateDataThread, self).__init__(parent)
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self.is_exit = False
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self.x_range = 1024
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self.getDateQx = GetDataQX()
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self.flag = 0
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def run(self):
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print("run start")
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while not self.is_exit: # 直接在循环中检查退出标志
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# for i in range(self.x_range):
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# print(i,self.sin.get_data(i))
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# self._signal_update.emit(str(self.sin.get_data(i))) # 发射信号
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# time.sleep(0.01) # 实际应用中推荐使用QTimer代替
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# 这里应该有一个 flag 默认是 0 外部调用可以传紧来1，没循环完自己置零，while 只起到监控左右
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if self.flag == 1:
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#print("flag",self.flag)
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#data = self.setReceiveData
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#print("发数",datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f"))
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#print("data receive ",data)
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# print(f"{data:.3f}")
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try:
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self._signal_update.emit(self.setReceiveData)
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self.flag = 0
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except Exception:
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QMessageBox.critical(self, '数据异常', '数据格式不对，不能绘图')
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pass
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def SetReceiveData(self,data_in):
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self.setReceiveData = data_in
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def SetFlag(self,flag):
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self.flag = flag
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def SetFilenameCsv(self,filename):
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self.filenameCsv = filename
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def SetPlotItem(self,ind): #设置显示项目
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self.ind = ind
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def stop(self):
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self.is_exit = True # 设置退出标志
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print("停止绘图")
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def restart(self):
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self.is_exit = False
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class GetDataQX(): #读取请芯数据
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def __init__(self, parent=None):
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super().__init__()
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self.regex = re.compile(r'(A\+|B\+|\s)+') # 编译正则表达式
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self.TIME_FORMAT = "%Y-%m-%d %H:%M:%S"
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def Transdata(self,data):
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parts = re.split(self.regex,data)
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# 过滤掉空字符串
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parts = [part for part in parts if part]
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#print(parts)
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methane = float(parts[1])
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airTemp = float(parts[3])
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laserTemp = float( parts[5])/1
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laerIntensity = float(parts[7])*10
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timeCrvt=time.strftime(self.TIME_FORMAT, time.localtime())
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self.data2csv =[(timeCrvt,methane,airTemp,laserTemp,laerIntensity)]
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#print(self.data2csv)
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if self.indOfReturn == 0:
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returnData = methane
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elif self.indOfReturn == 1:
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returnData = airTemp
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elif self.indOfReturn == 2:
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returnData = laserTemp
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elif self.indOfReturn == 3:
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returnData = laerIntensity
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print(returnData)
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return returnData
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def SaveCsv(self,filenameCsv):
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# 打开一个文件用于写入，如果文件不存在则创建
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if os.path.isfile(filenameCsv) == 0:
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# 文件为空，需要写入表头
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with open(filenameCsv, mode='w', newline='') as file:
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writer = csv.writer(file)
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writer.writerow(('time', 'Methane', 'Air Temp', 'Laser Temp', 'Laser Intensity'))
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else:
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with open(filenameCsv, mode='a', newline='') as file:
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# 创建一个写入器对象
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writer = csv.writer(file)
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# 写入数据行
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writer.writerows(self.data2csv)
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def IndOfReturn(self,ind):
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self.indOfReturn = ind
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