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playback after recording

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This commit is contained in:
Thomas Farstrike
2026-02-25 08:01:10 +01:00
parent 391071aee4
commit 7628e9a6bc
1 changed files with 13 additions and 1 deletions
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tests/manual_test_duplex_audio.py
+13 -1
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@@ -74,11 +74,23 @@ class DuplexI2STest:
try:
tone = self._make_tone_buffer(freq_hz=440, ms=50)
read_buf = bytearray(1024)
recorded = bytearray()
t_end = time.ticks_add(time.ticks_ms(), self.duration_ms)
while time.ticks_diff(t_end, time.ticks_ms()) > 0:
self._tx.write(tone)
self._rx.readinto(read_buf)
read_len = self._rx.readinto(read_buf)
if read_len:
recorded.extend(read_buf[:read_len])
print("waiting a bit")
time.sleep(1)
if recorded:
print("playing the recording")
playback = memoryview(recorded)
offset = 0
while offset < len(playback):
offset += self._tx.write(playback[offset:])
finally:
self._deinit_i2s()