module:micropython:esp32udpclientserver:esp32udpclientserver02v01
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module:micropython:esp32udpclientserver:esp32udpclientserver02v01 [2021/12/13 11:18] – [Übersicht] omdevelop | module:micropython:esp32udpclientserver:esp32udpclientserver02v01 [2022/09/13 11:58] (current) – external edit 127.0.0.1 | ||
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- | ====== Esp32UdpClientServer | + | ====== Esp32UdpClientServer |
[[http:// | [[http:// | ||
[ | [ | ||
Line 9: | Line 9: | ||
===== Übersicht ===== | ===== Übersicht ===== | ||
- | + | * Esp32(Wlan, Uart): Bidirektionales Senden und -Empfangen von UDP-Datenpaketen ohne Blocking mit Threads | |
+ | * Programmierung mit VSCode(PyMakr) unter MicroPython mit Uart-MicroPython-Terminal | ||
+ | * Erweiterung von VSCode mit Python-Terminal und **Ampy**(Adafruits) | ||
===== Benutzung ===== | ===== Benutzung ===== | ||
- | * Datenaustausch zwischen UdpClient und UdpServer | ||
- | * UdpClient(Esp32) wartet (nicht blocking!) auf Daten vom UdpServer(Pc) | ||
- | * UdpClient(Pc) wartet (nicht blocking!) auf Daten vom UdpServer(Esp32) | ||
- | SourceCode | + | **Esp32UdpClientServer.py** |
<code python> | <code python> | ||
# | # | ||
+ | # Syntax-Arguments: | ||
+ | # | ||
+ | # WindowsPC[192.168.178.33] <-> # WindowsPC[192.168.178.33]: | ||
+ | # WinPC: python CheckUdpClientServer.py Windows 4321 192.168.178.33 4321 | ||
+ | |||
+ | |||
+ | # WindowsPC[192.168.178.33] <-> UbuntuPC[192.168.178.48] | ||
+ | # WinPC: python CheckUdpClientServer.py Windows 5001 192.168.178.48 5000 | ||
+ | # LinPC: python CheckUdpClientServer.py Ubuntu | ||
+ | # | ||
+ | import sys | ||
import time | import time | ||
- | import network as NTW | ||
import socket as SKT | import socket as SKT | ||
# | # | ||
- | WL_SSID = ' | + | import Thread as THR |
- | WL_PW = ' | + | import UdpClientServer as UCS |
# | # | ||
- | UDP_IPADDRESS | + | UDP_HEADERID |
- | UDP_IPPORT | + | #----------------------------------------------------------- |
+ | # UDP - TxD - TransmitData | ||
+ | # | ||
+ | UDP_IPADDRESS_TX = '127.0.0.255' | ||
+ | UDP_IPPORT_TX | ||
# | # | ||
+ | # | ||
+ | # UDP - RxD - ReceiveData | ||
+ | # | ||
+ | UDP_IPADDRESS_LOCAL = ' | ||
+ | UDP_IPPORT_RX = 5000 | ||
+ | # | ||
+ | # | ||
+ | # | ||
+ | # | ||
+ | def CBOnTxData(udpclientserver, | ||
+ | Line = ' | ||
+ | print(Line) | ||
+ | return | ||
+ | # | ||
+ | def CBOnRxData(udpclientserver, | ||
+ | Line = ' | ||
+ | print(Line) | ||
+ | return | ||
+ | # | ||
+ | def CBOnStart(udpclientserver): | ||
+ | # debug print(' | ||
+ | return | ||
+ | # | ||
+ | def CBOnBusy(udpclientserver): | ||
+ | # debug print(' | ||
+ | return | ||
+ | # | ||
+ | def CBOnAbort(udpclientserver): | ||
+ | # debug print(' | ||
+ | return | ||
+ | # | ||
+ | def CBOnEnd(udpclientserver): | ||
+ | # debug print(' | ||
+ | return | ||
+ | # | ||
+ | # | ||
+ | # Main | ||
# | # | ||
if (' | if (' | ||
# | # | ||
- | print(' | + | print(' |
+ | if (5 <= len(sys.argv)): | ||
+ | # Analyse Arguments für Tx/ | ||
+ | UDP_HEADERID = sys.argv[1] | ||
+ | # RX | ||
+ | UDP_IPPORT_RX = int(sys.argv[2]) | ||
+ | # TX | ||
+ | UDP_IPADDRESS_TX = sys.argv[3] | ||
+ | UDP_IPPORT_TX = int(sys.argv[4]) | ||
# | # | ||
- | | + | |
- | | + | |
- | Wlan.active(True) | + | |
- | | + | |
- | while not(Wlan.isconnected()): | + | |
- | | + | print(' |
- | print('Wlan-IP[{0}]' | + | UdpCS.GetIPAddressTX(), |
+ | | ||
+ | | ||
+ | | ||
+ | UdpCS.GetIPPortRX())) | ||
+ | UdpCS.Open() | ||
+ | for I in range(0, 6): | ||
+ | | ||
+ | | ||
+ | time.sleep(1.0) | ||
+ | UdpCS.Close() | ||
# | # | ||
- | | + | print(' |
- | Socket.bind((UDP_IPADDRESS, | + | |
- | Socket.setblocking(0) | + | |
- | Loop = True | + | |
- | while (Loop): | + | |
- | try: | + | |
- | Data, Address = Socket.recvfrom(1024) | + | |
- | if (b' | + | |
- | Loop = False | + | |
- | except SKT.error: | + | |
- | pass | + | |
- | else: | + | |
- | print(Data) | + | |
- | finally: | + | |
- | # debug print(' | + | |
- | time.sleep(0.1) | + | |
- | Socket.close() | + | |
- | # | + | |
- | | + | |
# | # | ||
+ | # | ||
</ | </ | ||
- | SourceCode | + | **UdpClientServer.py** |
- | <code python> | + | <code python> |
# | # | ||
import time | import time | ||
- | import | + | import |
import socket as SKT | import socket as SKT | ||
# | # | ||
- | WL_SSID = ' | + | import Thread as THR |
- | WL_PW = ' | + | |
# | # | ||
- | UDP_IPADDRESS | + | class CUdpClientServer(): |
- | UDP_IPPORT | + | # |
+ | def __init__(self, | ||
+ | | ||
+ | | ||
+ | | ||
+ | self.HeaderID = headerid | ||
+ | self.IPAddressRXLocal | ||
+ | self.IPPortRX = ipportrx | ||
+ | self.IPAddressTX = ipaddresstx | ||
+ | self.IPPortTX = ipporttx | ||
+ | self.OnTxData = ontxdata | ||
+ | self.OnRxData = onrxdata | ||
+ | self.OnStart = onstart | ||
+ | self.OnBusy = onbusy | ||
+ | self.OnAbort = onabort | ||
+ | self.OnEnd = onend | ||
+ | self.Thread = THR.CThread(self.CBOnStart, | ||
+ | self.CBOnAbort, | ||
+ | self.RxSocket = None | ||
+ | self.TxSocket = None | ||
+ | | ||
+ | S = SKT.socket(SKT.AF_INET, | ||
+ | S.connect(('8.8.8.8', 1)) | ||
+ | self.IPAddressRXLocal = S.getsockname()[0] | ||
+ | S.close() | ||
+ | | ||
+ | return | ||
+ | # | ||
+ | def GetHeaderID(self): | ||
+ | return self.HeaderID | ||
+ | def GetIPAddressTX(self): | ||
+ | return self.IPAddressTX | ||
+ | def GetIPPortTX(self): | ||
+ | return self.IPPortTX | ||
+ | def GetIPAddressRXLocal(self): | ||
+ | return self.IPAddressRXLocal | ||
+ | def GetIPPortRX(self): | ||
+ | return self.IPPortRX | ||
+ | # | ||
+ | def IsBusy(self): | ||
+ | return THR.EStateThread.stBusy == self.Thread.State | ||
+ | # | ||
+ | def Open(self): | ||
+ | # Rx | ||
+ | if (THR.EStateThread.stBusy == self.Thread.State): | ||
+ | self.Thread.Abort() | ||
+ | self.RxSocket = SKT.socket(SKT.AF_INET, | ||
+ | # FORWARD Socket.bind !!! | ||
+ | self.RxSocket.setsockopt(SKT.SOL_SOCKET, | ||
+ | self.RxSocket.bind((self.IPAddressRXLocal, | ||
+ | self.RxSocket.setblocking(0) | ||
+ | self.Thread.Start() | ||
+ | # Tx | ||
+ | self.TxSocket = SKT.socket(SKT.AF_INET, | ||
+ | self.TxSocket.connect((self.IPAddressTX, | ||
+ | return | ||
+ | # | ||
+ | def Close(self): | ||
+ | self.Thread.Abort() | ||
+ | self.RxSocket.close() | ||
+ | self.TxSocket.close() | ||
+ | # | ||
+ | def Abort(self): | ||
+ | self.Thread.Abort() | ||
+ | return | ||
+ | # | ||
+ | def Transmit(self, | ||
+ | if (None != self.OnTxData): | ||
+ | self.OnTxData(self, | ||
+ | self.TxSocket.sendto(text.encode('utf-8' | ||
+ | | ||
+ | | ||
+ | def CBOnStart(self, | ||
+ | if (None != self.OnStart): | ||
+ | self.OnStart(self) | ||
+ | return | ||
+ | # | ||
+ | def CBOnBusy(self, | ||
+ | while self.IsBusy(): | ||
+ | RxData = '' | ||
+ | try: | ||
+ | Data, Address = self.RxSocket.recvfrom(1024) | ||
+ | RxData = Data.decode('utf-8' | ||
+ | | ||
+ | pass | ||
+ | else: | ||
+ | # print(' | ||
+ | if (None != self.OnRxData): | ||
+ | self.OnRxData(self, | ||
+ | finally: | ||
+ | time.sleep(0.1) | ||
+ | if (None != self.OnBusy): | ||
+ | self.OnBusy(self) | ||
+ | self.RxSocket.close() | ||
+ | return | ||
+ | # | ||
+ | def CBOnAbort(self, | ||
+ | self.RxSocket.close() | ||
+ | if (None != self.OnAbort): | ||
+ | self.OnAbort(self) | ||
+ | return | ||
+ | # | ||
+ | def CBOnEnd(self, | ||
+ | self.RxSocket.close() | ||
+ | if (None != self.OnEnd): | ||
+ | self.OnEnd(self) | ||
+ | return | ||
+ | # | ||
# | # | ||
+ | </ | ||
+ | |||
+ | **Thread.py** | ||
+ | <code python> | ||
+ | import time | ||
+ | import _thread as THR | ||
+ | # States | ||
+ | stIdle = 0 | ||
+ | stBusy = 1 | ||
+ | stEnd = 2 | ||
+ | # | ||
+ | class CThread(): | ||
+ | # | ||
+ | def __init__(self, | ||
+ | self.State = stIdle | ||
+ | self.Thread = None | ||
+ | self.OnStart = onstart | ||
+ | self.OnBusy = onbusy | ||
+ | self.OnAbort = onabort | ||
+ | self.OnEnd = onend | ||
+ | return | ||
+ | # | ||
+ | def Start(self): | ||
+ | self.State = stBusy | ||
+ | if (None != self.OnStart): | ||
+ | self.OnStart(self) | ||
+ | self.ThreadID = THR.start_new_thread(self.CBOnExecute, | ||
+ | return | ||
+ | # | ||
+ | def Abort(self): | ||
+ | self.State = stEnd | ||
+ | if (None != self.OnAbort): | ||
+ | self.OnAbort(self) | ||
+ | return | ||
+ | # | ||
+ | def CBOnExecute(self, | ||
+ | if (None != self.OnBusy): | ||
+ | self.OnBusy(self) | ||
+ | if (None != self.OnEnd): | ||
+ | self.OnEnd(self) | ||
+ | return | ||
+ | # | ||
+ | # | ||
# | # | ||
+ | # Check Thread | ||
+ | # | ||
+ | def CBOnStart(thread): | ||
+ | print(' | ||
+ | return | ||
+ | def CBOnBusy(thread): | ||
+ | print(' | ||
+ | Counter = 0 | ||
+ | while (stBusy == thread.State): | ||
+ | Counter += 1 | ||
+ | print(Counter) | ||
+ | if (3 <= Counter): | ||
+ | thread.Abort() | ||
+ | else: | ||
+ | time.sleep(1.0) | ||
+ | return | ||
+ | def CBOnAbort(thread): | ||
+ | print(' | ||
+ | return | ||
+ | def CBOnEnd(thread): | ||
+ | print(' | ||
+ | return | ||
+ | # | ||
if (' | if (' | ||
# | # | ||
- | print(' | + | print(' |
# | # | ||
- | | + | |
- | | + | |
- | | + | |
- | Wlan.connect(WL_SSID, | + | |
- | | + | |
- | pass | + | |
- | print(' | + | |
# | # | ||
- | | + | print(' |
- | for I in range(0, 10): | + | |
- | print(' | + | |
- | Socket.sendto(b' | + | |
- | time.sleep(1.0) | + | |
- | # | + | |
- | Socket.sendto(b' | + | |
- | Socket.close() | + | |
- | | + | |
# | # | ||
+ | # | ||
+ | </ | ||
+ | |||
+ | MicroPython-Terminal-Commands (Comments in Helper.h): | ||
+ | <code python> | ||
+ | > import os | ||
+ | > print(os.listdir()) | ||
+ | </ | ||
+ | |||
+ | **Ampy**-Commands: | ||
+ | <code python> | ||
+ | > ampy -p COM22 ls | ||
+ | </ | ||
+ | <code python> | ||
+ | > ampy -p COM22 rm / | ||
+ | </ | ||
+ | <code python> | ||
+ | > ampy -p COM22 reset | ||
</ | </ | ||
+ | !!! NOCH ERGÄNZEN !!! | ||
Ausgabe in Terminal: | Ausgabe in Terminal: | ||
<code python> | <code python> | ||
Line 109: | Line 339: | ||
===== Version ===== | ===== Version ===== | ||
- | {{: | + | {{: |
----- | ----- |
module/micropython/esp32udpclientserver/esp32udpclientserver02v01.1639390736.txt.gz · Last modified: 2021/12/13 12:18 (external edit)