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上机位 Test2.py

import pyqtgraph as pg
from pyqtgraph.Qt import QtCore, QtGui
import numpy as np
import serial
import serial.tools.list_ports


win = pg.GraphicsLayoutWidget(show=True)
win.setWindowTitle('Scrolling Plots Mode 1')

p1 = win.addPlot()
data1 = np.random.normal(size=300)
data2 = np.random.normal(size=300)
data3 = np.random.normal(size=300)
dataf1 = np.random.normal(size=300)
dataf2 = np.random.normal(size=300)
dataf3 = np.random.normal(size=300)
curve1 = p1.plot(data1)
curve2 = p1.plot(data2)
curve3 = p1.plot(data3)
curvef1 = p1.plot(dataf1)
curvef2 = p1.plot(dataf2)
curvef3 = p1.plot(dataf3)


def get_serial_port(_keywords='COM'):
    port_list = list(serial.tools.list_ports.comports())
    for port in port_list:
        if _keywords in str(port):
            port_name = str(port).split('-')[0]
            return port_name.strip()


def get_imu():
    ser = serial.Serial(port=get_serial_port('Silicon'), baudrate=115200, bytesize=8, parity='N', stopbits=1, timeout=None, xonxoff=0, rtscts=0)
    imu_return = str(ser.readline())
    return imu_return


def update1():
    global data1, data2, data3, ptr1
    data1[:-1] = data1[1:]  # shift data in the array one sample left
    data2[:-1] = data2[1:]
    data3[:-1] = data3[1:]
    dataf1[:-1] = dataf1[1:]  # shift data in the array one sample left
    dataf2[:-1] = dataf2[1:]
    dataf3[:-1] = dataf3[1:]
    a = get_imu().strip()
    a = a.split(",")
    try:
        g1 = a[0].split(":")
        g2 = a[1].split(":")
        g3 = a[2].split(":")
        a1 = a[4].split(":")
        a2 = a[5].split(":")
        a3 = a[6].split(":")
        c1 = str(a1[0])
        c2 = str(a2[0])
        c3 = str(a3[0])
        f1 = str(g1[0])
        f1 = f1.split("{")
        f2 = str(g2[0])
        f3 = str(g3[0])
        if f1[1] == "'GyZ'":
            d1 = int(g1[1])
            dataf1[-1] = d1
        if f2 == " 'GyY'":
            d2 = int(g2[1])
            dataf2[-1] = d2
        elif f2 == " 'GyX'":
            d3 = int(g2[1])
            dataf3[-1] = d3
        if f3 == " 'GyX'":
            d3 = int(g3[1])
            dataf3[-1] = d3
        if c1 == " 'AcZ'":
            b1 = int(a1[1])
            data1[-1] = b1
        elif c1 == " 'AcY'":
            b2 = int(a1[1])
            data2[-1] = b2
        elif c1 == " 'AcX'":
            b3 = int(a1[1])
            data3[-1] = b3
        if c2 == " 'AcY'":
            b2 = int(a2[1])
            data2[-1] = b2
        elif c2 == " 'AcX'":
            b3 = int(a2[1])
            data3[-1] = b3
        if c3 == " 'AcX'":
            b3 = a3[1].split("}")
            b3 = b3[0]
            data3[-1] = b3
    except:
        pass
    curve1.setData(data1)
    curve2.setData(data2)
    curve3.setData(data3)
    curvef1.setData(dataf1)
    curvef2.setData(dataf2)
    curvef3.setData(dataf3)

timer = pg.QtCore.QTimer()
timer.timeout.connect(update1)
timer.start(50)


## Start Qt event loop unless running in interactive mode or using pyside.
if __name__ == '__main__':
    import sys
    if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
        QtGui.QApplication.instance().exec_()