pyfy6900-tspspi 0.0.1a1

(Unofficial) control library for the FY6900 function generator

(Unofficial) control library for the FY6900 function generator

This is a small and simple control library for the FY6900 function generator. It's a implementation for the pylabdevs FunctionGenerator class.

Example usage

Simple setting of predefined waveforms and parameters

import numpy as np

from pyfy6900 import fy6900
from labdevices.functiongenerator import FunctionGeneratorWaveform
from time import sleep

with fy6900.FY6900Serial("COM4", debug = True) as fg:
	print(f"Device identifies as {fg.identify()}")

	fg.set_channel_enabled(0, False)
	fg.set_channel_enabled(1, False)

	fg.set_channel_waveform(0, FunctionGeneratorWaveform.SINE)
	fg.set_channel_frequency(0, 1e3)
	fg.set_channel_offset(0, 2.5)
	fg.set_channel_amplitude(0, 5)
	fg.set_channel_enabled(0, True)

	for frq in np.arange(1, 60e6, 100):
		fg.set_channel_frequency(0, frq)
		print(f"Set new frequency {fg.get_channel_frequency(0)}")

	fg.set_channel_enabled(0, False)

Uploading arbitrary waveform generated using numpy

import numpy as np
import matplotlib.pyplot as plt

from pyfy6900 import fy6900

from time import sleep

with fy6900.FY6900Serial("COM3", debug = "True") as fg:
	fg.identify()

	t = np.linspace(0, 2 * np.pi, 8192)
	wv = (np.sin(t) + np.sin(2*t) + np.sin(3*t))

	# Display before upload
	plt.plot(t, wv)
	plt.show()

	# Uploading
	fg.upload_waveform(61, wv, normalize = True)

	# Selecting channel waveform
	fg.set_channel_waveform(0, arbitrary = 61)