32 lines
1.0 KiB
Python
32 lines
1.0 KiB
Python
import serial
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class Display:
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def __init__(self, serial_port: str) -> None:
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self.serial_adapter = serial.Serial(
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port=serial_port,
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baudrate =115200,
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parity=serial.PARITY_NONE,
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stopbits=serial.STOPBITS_ONE,
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bytesize=serial.EIGHTBITS,
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timeout=1)
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self.send_stop_bit()
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self.reset_device()
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def set_page(self, page):
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command = f'page {page}'
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self.send_command(command)
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def set_string(self, field, text):
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command = f'{field}="{text}"'
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self.send_command(command)
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def send_stop_bit(self):
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self.serial_adapter.write(self.get_stop_bit())
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def send_command(self, command: str):
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command = bytes(command, 'ascii')
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self.serial_adapter.write(command)
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self.send_stop_bit()
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def get_stop_bit(self) -> bytearray:
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stop_bit = bytearray()
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stop_bit.append(0xFF)
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stop_bit.append(0xFF)
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stop_bit.append(0XFF)
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return stop_bit
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def reset_device(self):
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self.send_command("rest") |