Optimise the DC offset removal.

2026-10-24 03:24:59 +02:00 · 2017-08-18 10:40:34 +01:00
parent 51577efd79
commit e707391a5e
8 changed files with 44 additions and 91 deletions
@@ -60,6 +60,9 @@ private:
  CSampleRB            m_txBuffer;
  CRSSIRB              m_rssiBuffer;

+  arm_biquad_casd_df1_inst_q31 m_dcFilter;
+  q31_t                        m_dcState[4];
+
  arm_fir_instance_q15 m_boxcarFilter;
  q15_t                m_boxcarState[30U];        // NoTaps + BlockSize - 1, 6 + 20 - 1 plus some spare