Source code for NanoVNASaver.Hardware.SV4401A

#  NanoVNASaver
#
#  A python program to view and export Touchstone data from a NanoVNA
#  Copyright (C) 2019, 2020  Rune B. Broberg
#  Copyright (C) 2020,2021 NanoVNA-Saver Authors
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <https://www.gnu.org/licenses/>.
import logging

import serial
from PyQt6.QtGui import QImage, QPixmap

from NanoVNASaver.Hardware.NanoVNA import NanoVNA
from NanoVNASaver.Hardware.Serial import Interface

logger = logging.getLogger(__name__)


[docs]class SV4401A(NanoVNA): name = "SV4401A" screenwidth = 1024 screenheight = 600 valid_datapoints = (101, 301, 501) sweep_points_max = 101 sweep_points_max = 501 def __init__(self, iface: Interface): super().__init__(iface) self.sweep_max_freq_Hz = 4.4e9
[docs] def getScreenshot(self) -> QPixmap: logger.debug("Capturing screenshot...") self.serial.timeout=8 if not self.connected(): return QPixmap() try: rgba_array = self._capture_data() image = QImage( rgba_array, self.screenwidth, self.screenheight, QImage.Format.Format_RGB16, ) logger.debug("Captured screenshot") return QPixmap(image) except serial.SerialException as exc: logger.exception("Exception while capturing screenshot: %s", exc) return QPixmap()
[docs] def setSweep(self, start, stop): self.start = start self.stop = stop list(self.exec_command(f"scan {start} {stop} {self.datapoints}"))