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mpySocket.py
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import machine, time
OK_CODE = "OK\r\n"
class socket():
TCP = "proto.tcp_4"
TCPv6 = "proto.tcp_6"
SSL = "proto.ssl_4"
SSLv6 = "proto.ssl_6"
def __init__(self, UARTCode):
self.UARTCode = UARTCode
self.connected = False
self.IPv6Enabled = False
self.networkConnected = False
self.serverConnected = False
self.serverCreated = False
self.setWiFiMode("3")
def itStarted(self):
data = _send_ESP01(self.UARTCode, "AT\r\n")
return OK_CODE in data if data is not None else False
def restart(self):
data = _send_ESP01(self.UARTCode, "AT+RST\r\n")
return OK_CODE in data if data is not None else False
def getLocalIPv4(self):
response = _send_ESP01(self.UARTCode, "AT+CIFSR\r\n")
return response.replace("+CIFSR:APIP,", "").replace("\r\n+CIFSR:APMAC,", "").replace("\r\n+CIFSR:STAIP,", "").replace("\r\n+CIFSR:STAMAC,", "").replace("\r\n\r\OK_CODE", "").split('""')[2].strip('"')
def getLocalMAC(self):
response = _send_ESP01(self.UARTCode, "AT+CIFSR\r\n")
return response.replace("+CIFSR:APIP,", "").replace("\r\n+CIFSR:APMAC,", "").replace("\r\n+CIFSR:STAIP,", "").replace("\r\n+CIFSR:STAMAC,", "").replace("\r\n\r\OK_CODE", "").split('""')[3].strip('"')
def getWiFiMode(self):
data = _send_ESP01(self.UARTCode, "AT+CWMODE_CUR?\r\n")
if not data:
return None
modes = {"1": "STA", "2": "SoftAP", "3": "SoftAP+STA"}
return next((modes[m] for m in modes if m in data), None)
def setWiFiMode(self, mode):
mode_map = {"STA": 1, "SoftAP": 2, "SoftAP+STA": 3}
mode_num = mode_map.get(mode, mode)
data = _send_ESP01(self.UARTCode, f"AT+CWMODE_CUR={mode_num}\r\n")
return data and OK_CODE in data
def getOnlineNetworks(self, timeToResearch: int):
data = _send_ESP01(self.UARTCode, "AT+CWLAP\r\n", delay=timeToResearch)
if not data:
return None
clean_data = (data.replace("+CWLAP:", "")
.replace(r"\r\n\r\nOK\r\n", "")
.replace(r"\r\n", "@")
.replace("b'(", "(")
.replace("'", ""))
return [line.strip("()").split(",") for line in clean_data.split("@")]
def connectNetwork(self, SSID: str, Password: str) -> str:
if self.networkConnected:
return "ALREADY CONNECTED TO A NETWORK"
self.networkConnected = True
data = _send_ESP01(self.UARTCode, "AT+CWJAP_CUR="+'"'+SSID+'"'+','+'"'+Password+'"', delay = 5)
return "Connected to WiFi" if data else "Unable to connect"
def disconnectNetwork(self) -> bool:
if not self.networkConnected:
return "NOT CONNECTED"
data = _send_ESP01(self.UARTCode, "AT+CWQAP")
if data and OK_CODE in data:
self.networkConnected = False
return True
return False
def createServer(self, port: int, protocol: str) -> str:
if not self.networkConnected:
return "NO CONNECTION FROM NETWORK"
if self.serverCreated:
return "ALREADY SERVER CREATED"
if self.serverConnected:
return "ALREADY CONNECTED TO A SERVER"
port = str(port)
match protocol:
case socket.TCP:
_send_ESP01(self.UARTCode, "AT+CIPMODE=0\r\n")
_send_ESP01(self.UARTCode, "AT+CIPMUX=1\r\n")
response = _send_ESP01(self.UARTCode, "AT+CIPSERVER=1," + port + "\r\n")
case socket.TCPv6:
_send_ESP01(self.UARTCode, "AT+CIPV6=1")
self.IPv6Enabled = True
_send_ESP01(self.UARTCode, "AT+CIPMODE=0\r\n")
_send_ESP01(self.UARTCode, "AT+CIPMUX=1\r\n")
response = _send_ESP01(self.UARTCode, "AT+CIPSERVER=1," + port + ',"' + "TCPv6" + '"' + "\r\n")
case socket.SSL:
_send_ESP01(self.UARTCode, "AT+CIPMODE=0\r\n")
_send_ESP01(self.UARTCode, "AT+CIPMUX=1\r\n")
response = _send_ESP01(self.UARTCode, "AT+CIPSERVER=1," + port + ',"' + "SSL" + '",1' + "\r\n")
case socket.SSLv6:
self.IPv6Enabled = True
_send_ESP01(self.UARTCode, "AT+CIPV6=1")
_send_ESP01(self.UARTCode, "AT+CIPMODE=0\r\n")
_send_ESP01(self.UARTCode, "AT+CIPMUX=1\r\n")
response = _send_ESP01(self.UARTCode, "AT+CIPSERVER=1," + port + ',"' + "SSLv6" + '",1' + "\r\n")
case _:
return "INVALID PROTOCOL"
self.serverCreated = OK_CODE in response
return response
def deleteServer(self) -> str:
if self.networkConnected:
if self.serverCreated == True:
if self.serverConnected == False:
response = _send_ESP01(self.UARTCode, "AT+CIPSERVER=0,1\r\n")
return response
else:
return "IMPOSSIBLE DELETE A NOT EXISTENT SERVER"
else:
return "SERVER NOT CREATED"
else:
return "NO CONNECTION FROM NETWORK"
def connect(self, host: str, port: int, protocol: str) -> str:
if not self.networkConnected:
return "NO CONNECTION FROM NETWORK"
if self.serverCreated:
return "ALREADY SERVER CREATED"
if self.serverConnected:
return "ALREADY CONNECTED TO A SERVER"
port = str(port)
match protocol:
case socket.TCP:
_send_ESP01(self.UARTCode, "AT+CIPMODE=0")
_send_ESP01(self.UARTCode, "AT+CIPMUX=1")
response = _send_ESP01(self.UARTCode, "AT+CIPSTART="+'"'+"TCP"+'"'+","+'"' + host + '"' + ',' + port)
case socket.TCPv6:
self.IPv6Enabled = True
_send_ESP01(self.UARTCode, "AT+CIPV6=1")
_send_ESP01(self.UARTCode, "AT+CIPMODE=0")
_send_ESP01(self.UARTCode, "AT+CIPMUX=1")
response = _send_ESP01(self.UARTCode, "AT+CIPSTART="+'"'+"TCPv6"+'"'+","+'"' + host + '"' + ',' + port)
case socket.SSL:
_send_ESP01(self.UARTCode, "AT+CIPMODE=0")
_send_ESP01(self.UARTCode, "AT+CIPMUX=1")
response = _send_ESP01(self.UARTCode, "AT+CIPSTART="+'"'+"SSL"+'"'+","+'"' + host + '"' + ',' + port)
case socket.SSLv6:
self.IPv6Enabled = True
_send_ESP01(self.UARTCode, "AT+CIPV6=1")
_send_ESP01(self.UARTCode, "AT+CIPMODE=0")
_send_ESP01(self.UARTCode, "AT+CIPMUX=1")
response = _send_ESP01(self.UARTCode, "AT+CIPSTART="+'"'+"SSLv6"+'"'+","+'"' + host + '"' + ',' + port)
case _:
return "INVALID PROTOCOL"
self.serverConnected = OK_CODE in response
return response
def disconnect(self) -> str:
if not self.networkConnected:
return "NO CONNECTION FROM NETWORK"
if not self.serverConnected:
return "IMPOSSIBLE DISCONNECT A NOT EXISTENT CLIENT"
return _send_ESP01(self.UARTCode, "AT+CIPCLOSE")
def send(self, msg: str) -> str:
if not self.networkConnected:
return "NO CONNECTION FROM NETWORK"
if not self.serverConnected and not self.serverCreated:
return "NO CONNECTION ESTABLISHED"
r1 = _send_ESP01(self.UARTCode, "AT+CIPSENDL=0," + len(msg))
r2 = _send_ESP01(self.UARTCode, msg)
return r1 + r2
def recv(self, buffer: int) -> str:
if not self.networkConnected:
return "NO CONNECTION FROM NETWORK"
if not self.serverConnected and not self.serverCreated:
return "NO CONNECTION ESTABLISHED"
return _send_ESP01(self.UARTCode, "AT+CIPRECVDATA=0," + str(buffer)).replace("+IPD,0,2:", "")
def setup(
txPin: int,
rxPin: int,
uartPort: int = 0,
baudrate: int = 115200
) -> socket:
uartCode = machine.UART(
uartPort,
baudrate = baudrate,
tx = machine.Pin(txPin),
rx = machine.Pin(rxPin),
txbuf = 1024,
rxbuf = 1024*2
)
_send_ESP01(uartCode, "ATE0")
_send_ESP01(uartCode, "AT+RESTORE")
return socket(uartCode)
def _send_ESP01(uartCode, cmd: str, delay: float = 1.0) -> str:
if not cmd.endswith("\r\n"):
cmd += "\r\n"
uartCode.write(cmd)
time.sleep(delay)
while not uartCode.any():
time.sleep(0.1)
comment: bytes
while uartCode.any():
comment += uartCode.read(2048)
try:
return cmd.decode()
except:
return str(comment)