kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
103 wiersze
3.6 KiB
Python
103 wiersze
3.6 KiB
Python
# NanoVNASaver
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# A python program to view and export Touchstone data from a NanoVNA
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# Copyright (C) 2019. Rune B. Broberg
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import logging
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from time import sleep
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from typing import List
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import serial
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from NanoVNASaver.Hardware.VNA import VNA, Version
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logger = logging.getLogger(__name__)
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class AVNA(VNA):
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name = "AVNA"
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def __init__(self, app, serial_port):
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super().__init__(app, serial_port)
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self.version = Version(self.readVersion())
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self.features.add("Customizable data points")
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def isValid(self):
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return True
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def getCalibration(self) -> str:
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logger.debug("Reading calibration info.")
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if not self.serial.is_open:
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return "Not connected."
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if self.app.serialLock.acquire():
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try:
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data = "a"
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while data != "":
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data = self.serial.readline().decode('ascii')
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self.serial.write("cal\r".encode('ascii'))
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result = ""
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data = ""
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sleep(0.1)
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while "ch>" not in data:
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data = self.serial.readline().decode('ascii')
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result += data
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values = result.splitlines()
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return values[1]
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except serial.SerialException as exc:
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logger.exception("Exception while reading calibration info: %s", exc)
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finally:
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self.app.serialLock.release()
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return "Unknown"
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def readFrequencies(self) -> List[str]:
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return self.readValues("frequencies")
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def readValues11(self) -> List[str]:
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return self.readValues("data 0")
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def readValues21(self) -> List[str]:
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return self.readValues("data 1")
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def resetSweep(self, start: int, stop: int):
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self.writeSerial("sweep " + str(start) + " " + str(stop) + " " + str(self.datapoints))
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self.writeSerial("resume")
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def readVersion(self):
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logger.debug("Reading version info.")
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if not self.serial.is_open:
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return
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if self.app.serialLock.acquire():
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try:
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data = "a"
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while data != "":
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data = self.serial.readline().decode('ascii')
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self.serial.write("version\r".encode('ascii'))
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result = ""
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data = ""
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sleep(0.1)
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while "ch>" not in data:
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data = self.serial.readline().decode('ascii')
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result += data
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values = result.splitlines()
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logger.debug("Found version info: %s", values[1])
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return values[1]
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except serial.SerialException as exc:
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logger.exception("Exception while reading firmware version: %s", exc)
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finally:
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self.app.serialLock.release()
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return
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def setSweep(self, start, stop):
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self.writeSerial("sweep " + str(start) + " " + str(stop) + " " + str(self.datapoints))
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sleep(1)
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