mirror of
https://github.com/janishutz/BiogasControllerApp.git
synced 2025-11-25 05:44:23 +00:00
74 lines
1.9 KiB
Python
74 lines
1.9 KiB
Python
import serial
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import struct
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import bin.lib.comport_search
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"""@package docstring
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This package can communicate with a microcontroller"""
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coms = bin.lib.comport_search.ComportService()
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class Com:
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def __init__(self):
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self.xr = ""
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self.output = ""
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self.str_input = ""
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self.str_get_input = ""
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self.xs = ""
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self.__comport = '/dev/ttyUSB0'
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def connect(self, baudrate, special_port):
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try:
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self.__comport = coms.get_comport(special_port)
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except:
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pass
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self.ser = serial.Serial(self.__comport, baudrate=baudrate, timeout=5)
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def quitcom(self):
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try:
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self.ser.close()
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except:
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pass
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def receive(self, amount_bytes):
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self.xr = self.ser.read(amount_bytes)
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return self.xr
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def decode_ascii(self, value):
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try:
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self.output = value.decode()
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except:
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self.output = "Error"
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return self.output
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def check_value(self, value_check, checked_value):
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if value_check == checked_value:
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return 1
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else:
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return 0
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def decode_int(self, value):
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self.i = int(value, base = 16)
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return self.i
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def decode_float(self, value):
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self.fs = str(value, 'ascii') + '00'
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self.f = struct.unpack('>f', bytes.fromhex(self.fs))
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return str(self.f[0])
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def decode_float_2(self, value):
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self.fs = str(value, 'ascii') + '0000'
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self.f = struct.unpack('>f', bytes.fromhex(self.fs))
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return str(self.f[0])
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def get_input(self):
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self.str_get_input = input("please enter a character to send: ")
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return self.str_get_input
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def send(self, str_input):
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self.xs = str_input.encode()
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self.ser.write(self.xs)
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def send_float(self, float_input):
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ba = bytearray(struct.pack('>f', float_input))
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self.ser.write(ba[0:3])
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