commit c865a0672b7db8019073879e84e6e497344eb41a Author: Zychlix Date: Mon Mar 30 10:20:45 2026 +0200 First impedance measurements diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..505a3b1 --- /dev/null +++ b/.gitignore @@ -0,0 +1,10 @@ +# Python-generated files +__pycache__/ +*.py[oc] +build/ +dist/ +wheels/ +*.egg-info + +# Virtual environments +.venv diff --git a/.python-version b/.python-version new file mode 100644 index 0000000..6324d40 --- /dev/null +++ b/.python-version @@ -0,0 +1 @@ +3.14 diff --git a/README.md b/README.md new file mode 100644 index 0000000..e69de29 diff --git a/main.py b/main.py new file mode 100644 index 0000000..fc7c693 --- /dev/null +++ b/main.py @@ -0,0 +1,84 @@ +from rigol_dho_lib.rigol import RigolOsc +import time +from rigol_dho_lib import rigol +from siglent_sdg import siglent +import numpy as np + +import matplotlib.pyplot as plt + +SINE_FREQ = 100e3 + +CYCLE_COUNT = 1000 + +DIV_COUNT = 10 + + +def setWindowSize(osc, cycles, frequency): + period = 1 / frequency * cycles / DIV_COUNT + osc.setTimescale(period) + + +def dft(data, time_array, freq): + carrier = np.exp(2j * np.pi * freq * time_array) + x = carrier * data + return sum(x) / len(carrier) * 2 + + +# uv +def main(): + + try: + gen = siglent.SiglentGen("TCPIP::10.112.1.17::INSTR") + except (): + print("Can't connent!") + + try: + osc = rigol.RigolOsc("TCPIP::10.112.1.19::INSTR") + except (): + print("Can't connent!") + + mem_depth = osc.getMemoryDepth() + + osc.setPoints(mem_depth) + + setWindowSize(osc, CYCLE_COUNT, SINE_FREQ) + + osc.channels[1].setVScale(0.5) + gen.channels[siglent.ChannelID.CH1].apply_sine(SINE_FREQ, 10, 0) + gen.channels[siglent.ChannelID.CH1].set_output(True) + + time.sleep(1) + + osc.single() + + # time.sleep(0.2) + channel_A_data = osc.channels[0].getWaveform() + channel_B_data = osc.channels[1].getWaveform() + + time_array = osc.channels[0].genTimeArray(channel_A_data) + + v_a = dft(channel_A_data, time_array, SINE_FREQ) + + v_o = dft(channel_B_data, time_array, SINE_FREQ) + + # plt.plot(time_array, channel_A_data) + # plt.plot(time_array, channel_B_data) + + # plt.show() + + # plt.plot(time_array, np.real(x)) + # plt.plot(time_array, np.imag(x)) + + print(f"v_a: {v_a}") + print(f"v_o: {v_o}") + + R0 = 10 + z = R0 * (v_a - v_o) / v_o + + print(f"impedance: {z}") + + return + + +if __name__ == "__main__": + main() diff --git a/pyproject.toml b/pyproject.toml new file mode 100644 index 0000000..2f15a37 --- /dev/null +++ b/pyproject.toml @@ -0,0 +1,9 @@ +[project] +name = "impedance-analyzer" +version = "0.1.0" +description = "Add your description here" +readme = "README.md" +requires-python = ">=3.14" +dependencies = [ + "numpy>=2.4.3", +] diff --git a/uv.lock b/uv.lock new file mode 100644 index 0000000..592dced --- /dev/null +++ b/uv.lock @@ -0,0 +1,43 @@ +version = 1 +revision = 3 +requires-python = ">=3.14" + +[[package]] +name = "impedance-analyzer" +version = "0.1.0" +source = { virtual = "." } 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