janishutz/BiogasControllerApp
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Redesign app, prepare for 3.1.0 release

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This commit is contained in:
Admin
2025-06-16 12:21:45 +02:00
parent d6a5e90b3c
commit 3a6cd6af3d
19 changed files with 599 additions and 562 deletions
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27
lib/com.py
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@@ -6,16 +6,23 @@ import serial.tools.list_ports
class ComSuperClass(ABC):
def __init__(self, baudrate: Optional[int] = 19200, filters: Optional[list[str]] = None) -> None:
def __init__(
self, baudrate: Optional[int] = 19200, filters: Optional[list[str]] = None
) -> None:
self._serial: Optional[serial.Serial] = None
self._filters = filters if filters != None else [ 'USB-Serial Controller', 'Prolific USB-Serial Controller' ]
self._port_override = ''
self._filters = (
filters
if filters != None
else ["USB-Serial Controller", "Prolific USB-Serial Controller"]
)
self._port_override = ""
self._baudrate = baudrate if baudrate != None else 19200
self._err = None
def set_port_override(self, override: str) -> None:
"""Set the port override, to disable port search"""
self._port_override = override
if override != "" and override != "None":
self._port_override = override
def get_error(self) -> serial.SerialException | None:
return self._err
@@ -58,7 +65,7 @@ class Com(ComSuperClass):
def get_comport(self) -> str:
"""Find the comport the microcontroller has attached to"""
if self._port_override != '':
if self._port_override != "":
return self._port_override
# Catch all errors and simply return an empty string if search unsuccessful
@@ -80,7 +87,7 @@ class Com(ComSuperClass):
comport = self.get_comport()
# Comport search returns empty string if search unsuccessful
if comport == '':
if comport == "":
try:
self._serial = serial.Serial(comport, self._baudrate, timeout=5)
except serial.SerialException as e:
@@ -108,7 +115,7 @@ class Com(ComSuperClass):
if self._serial != None:
return self._serial.read(byte_count)
else:
raise Exception('ERR_CONNECTING')
raise Exception("ERR_CONNECTING")
def send(self, msg: str) -> None:
"""Send a string over serial connection. Will open a connection if none is available"""
@@ -116,12 +123,12 @@ class Com(ComSuperClass):
if self._serial != None:
self._serial.write(msg.encode())
else:
raise Exception('ERR_CONNECTING')
raise Exception("ERR_CONNECTING")
def send_float(self, msg: float) -> None:
"""Send a float number over serial connection"""
self._connection_check()
if self._serial != None:
self._serial.write(bytearray(struct.pack('>f', msg))[0:3])
self._serial.write(bytearray(struct.pack(">f", msg))[0:3])
else:
raise Exception('ERR_CONNECTING')
raise Exception("ERR_CONNECTING")