Error in PDMIn filter loop.

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