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Hint missing import, exit on error.

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This commit is contained in:
HiFiPhile 2024-05-12 13:57:17 +02:00
parent 256ccc4757
commit 08f9e4e0c8
1 changed files with 12 additions and 6 deletions
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18
examples/device/uac2_speaker_fb/src/audio_debug.py
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@ -1,8 +1,13 @@
# Install python3 HID package https://pypi.org/project/hid/
import hid
# Install python3 matplotlib package https://pypi.org/project/matplotlib/
from ctypes import *
import matplotlib.pyplot as plt
import matplotlib.animation as animation
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.")
# Example must be compiled with CFG_AUDIO_DEBUG=1
VID = 0xcafe
@ -32,15 +37,16 @@ if dev:
def animate(i):
info = None
for i in range(30):
str_in = dev.read(64, 10)
if str_in:
try:
str_in = dev.read(64, 50)
info = audio_debug_info_t.from_buffer_copy(str_in)
global fifo_avg
global fifo_cnt
fifo_avg.append(info.fifo_count_avg)
fifo_cnt.append(info.fifo_count)
except:
exit(1)
# Limit to 1000 items
fifo_avg = fifo_avg[-1000:]
fifo_cnt = fifo_cnt[-1000:]