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Error in PDMIn filter loop.

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Dan Halbert 2017-12-21 16:43:03 -05:00 committed by Scott Shawcroft
parent e671fa2f7a
commit 2d2735c9d4
1 changed files with 2 additions and 1 deletions
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3
atmel-samd/common-hal/audiobusio/PDMIn.c
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@ -273,8 +273,9 @@ static uint16_t filter_sample(uint32_t pdm_samples[4]) {
uint32_t pdm_sample = pdm_samples[i]; uint32_t pdm_sample = pdm_samples[i];
REPEAT_16_TIMES( { REPEAT_16_TIMES( {
if (pdm_sample & 0x8000) { if (pdm_sample & 0x8000) {
running_sum += *filter_ptr++; running_sum += *filter_ptr;
} }
filter_ptr++;
pdm_sample <<= 1; pdm_sample <<= 1;
} }
) )