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   源码介绍

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PEAK CAN自动发送CAN报文的python程序

from PCANBasic import *
import time
from sys import *
from threading import *

temp10ms = 0
temp20ms = 0
temp100ms = 0;
temp250ms = 0;
temp1000ms = 0;


def send10ms():
    global temp10ms
    temp10ms  = 1
    if temp10ms > 7:
        temp10ms = 0
    msg = TPCANMsg()
    msg.ID = 0x001
    msg.MSGTYPE = PCAN_MODE_STANDARD
    msg.LEN = 8
    for i in range(8):
        msg.DATA[i] = 0x10   temp10ms
    global pd
    pd.Write(PCAN_USBBUS1, msg)
    print(10)
    global thread10ms
    thread10ms = Timer(0.01, send10ms)
    thread10ms.start()

def send20ms():
    global temp20ms
    temp20ms  = 1
    if temp20ms > 8:
        temp20ms = 0
    msg = TPCANMsg()
    msg.ID = 0x002
    msg.MSGTYPE = PCAN_MODE_STANDARD
    msg.LEN = 8
    for i in range(8):
        msg.DATA[i] = 0x00   temp20ms
    global pd
    pd.Write(PCAN_USBBUS1, msg)
    print(20)

    global thread20ms
    thread20ms = Timer(0.02, send20ms)
    thread20ms.start()



def send100ms():
    global temp100ms
    temp100ms  = 1
    if temp100ms > 8:
        temp100ms = 0
    msg = TPCANMsg()
    msg.ID = 0x003
    msg.MSGTYPE = PCAN_MODE_STANDARD
    msg.LEN = 8
    for i in range(8):
        msg.DATA[i] = 0x40   temp100ms
    global pd
    pd.Write(PCAN_USBBUS1, msg)
    print(100)

    global thread100ms

    thread100ms = Timer(0.1, send100ms)
    thread100ms.start()

def send250ms():
    global temp250ms
    temp250ms  = 1
    if temp250ms > 8:
        temp250ms = 0
    msg = TPCANMsg()
    msg.ID = 0x004
    msg.MSGTYPE = PCAN_MODE_STANDARD
    msg.LEN = 8
    for i in range(8):
        msg.DATA[i] = 0x50   temp250ms
    global pd
    pd.Write(PCAN_USBBUS1, msg)
    print(250)

    global thread250ms

    thread250ms = Timer(0.25, send250ms)
    thread250ms.start()


def send1000ms():
    global temp1000ms
    temp1000ms  = 1
    if temp1000ms > 8:
        temp1000ms = 0

    msg = TPCANMsg()
    msg.ID = 0x005
    msg.MSGTYPE = PCAN_MODE_STANDARD
    msg.LEN = 8
    for i in range(8):
        msg.DATA[i] = 0x20   temp1000ms
    global pd
    pd.Write(PCAN_USBBUS1, msg)

    msg.ID = 0x006
    for i in range(8):
        msg.DATA[i] = 0x30   temp1000ms
    pd.Write(PCAN_USBBUS1, msg)

    msg.ID = 0x007
    for i in range(8):
        msg.DATA[i] = 0x60   temp1000ms
    pd.Write(PCAN_USBBUS1, msg)

    msg.ID = 0x008
    for i in range(8):
        msg.DATA[i] = 0x70   temp1000ms
    pd.Write(PCAN_USBBUS1, msg)

    msg.ID = 0x009
    msg.DATA[0] = 0x00
    msg.DATA[1] = 0x00
    msg.DATA[2] = 0x00
    msg.DATA[3] = 0x00
    msg.DATA[4] = 0x00
    msg.DATA[5] = 0x00
    msg.DATA[6] = 0x00
    msg.DATA[7] = 0x00
    pd.Write(PCAN_USBBUS1, msg)

    print(1000)

    global thread1000ms

    thread1000ms = Timer(1, send1000ms)
    thread1000ms.start()

if __name__ == "__main__":
    global pd
    pd = PCANBasic()
    pd.Initialize(PCAN_USBBUS1,PCAN_BAUD_500K)
    thread10ms = Timer(0.01, send10ms)
    thread100ms = Timer(0.1, send100ms)
    thread250ms = Timer(0.25, send250ms)
    thread1000ms = Timer(1, send1000ms)
    # thread5000ms = Timer(5, send5000ms)
    thread20ms = Timer(0.02, send20ms)
    thread10ms.start()
    thread20ms.start()
    thread100ms.start()
    thread250ms.start()
    thread1000ms.start()
    # thread5000ms.start()