From 91c3b338b2efe2c1341be1baec2620dbab181728 Mon Sep 17 00:00:00 2001 From: Zixun LI Date: Tue, 25 Nov 2025 16:10:10 +0100 Subject: [PATCH] example: fix audio_debug glitch on Windows --- examples/device/uac2_speaker_fb/src/audio_debug.py | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/examples/device/uac2_speaker_fb/src/audio_debug.py b/examples/device/uac2_speaker_fb/src/audio_debug.py index 05b49baf6..1c6035a44 100755 --- a/examples/device/uac2_speaker_fb/src/audio_debug.py +++ b/examples/device/uac2_speaker_fb/src/audio_debug.py @@ -2,13 +2,15 @@ # Install python3 HID package https://pypi.org/project/hid/ # Install python3 matplotlib package https://pypi.org/project/matplotlib/ -from ctypes import * +from ctypes import Structure, c_uint32, c_uint8, c_int8, c_int16, c_uint16 +import signal try: import hid import matplotlib.pyplot as plt import matplotlib.animation as animation except: print("Missing import, please try 'pip install hid matplotlib' or consult your OS's python package manager.") + exit(1) # Example must be compiled with CFG_AUDIO_DEBUG=1 VID = 0xcafe @@ -29,6 +31,7 @@ class audio_debug_info_t (Structure): dev = hid.Device(VID, PID) if dev: + signal.signal(signal.SIGINT, signal.SIG_DFL) # Create figure for plotting fig = plt.figure() ax = fig.add_subplot(1, 1, 1) @@ -61,10 +64,10 @@ if dev: ax.set_ylim(bottom=0, top=info.fifo_size) # Format plot - plt.title('FIFO information') - plt.grid() + ax.set_title('FIFO information') + ax.grid(True) print(f'Sample rate:{info.sample_rate} | Alt settings:{info.alt_settings} | Volume:{info.volume[:]}') - ani = animation.FuncAnimation(fig, animate, interval=10) - plt.show() + ani = animation.FuncAnimation(fig, animate, interval=10, cache_frame_data=False) # type: ignore + plt.show(block=True)