实例介绍
【实例简介】PEAK CAN自动发送CAN报文的python程序
【实例截图】
【核心代码】
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()
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