mirror of https://github.com/m-labs/artiq.git
42 lines
973 B
Python
42 lines
973 B
Python
import logging
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import serial
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import struct
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from artiq.coredevice.comm_generic import CommGeneric
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from artiq.language.db import *
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logger = logging.getLogger(__name__)
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class Comm(CommGeneric, AutoDB):
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class DBKeys:
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serial_dev = Argument()
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baud_rate = Argument(115200)
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def open(self):
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if hasattr(self, "port"):
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return
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self.port = serial.serial_for_url(self.serial_dev,
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baudrate=self.baud_rate)
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def close(self):
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if not hasattr(self, "port"):
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return
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self.port.close()
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del self.port
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def read(self, length):
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r = bytes()
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while len(r) < length:
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r += self.port.read(length - len(r))
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return r
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def write(self, data):
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remaining = len(data)
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pos = 0
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while remaining:
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written = self.port.write(data[pos:])
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remaining -= written
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pos += written
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