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Remove any DC offset from before any further filtering takes place.

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Jonathan Naylor
2017-07-16 18:57:15 +01:00
parent 9d1ebc0f8f
commit 8540964097
9 changed files with 23 additions and 25 deletions
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IO.h
+6 -6
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@@ -60,12 +60,12 @@ private:
CSampleRB m_txBuffer;
CRSSIRB m_rssiBuffer;
arm_fir_instance_q15 m_rrcFilter;
arm_fir_instance_q15 m_gaussianFilter;
arm_fir_instance_q15 m_boxcarFilter;
q15_t m_rrcState[70U]; // NoTaps + BlockSize - 1, 42 + 20 - 1 plus some spare
q15_t m_gaussianState[40U]; // NoTaps + BlockSize - 1, 12 + 20 - 1 plus some spare
q15_t m_boxcarState[30U]; // NoTaps + BlockSize - 1, 6 + 20 - 1 plus some spare
arm_fir_instance_q15 m_rrcFilter;
arm_fir_instance_q15 m_gaussianFilter;
arm_fir_instance_q15 m_boxcarFilter;
q15_t m_rrcState[70U]; // NoTaps + BlockSize - 1, 42 + 20 - 1 plus some spare
q15_t m_gaussianState[40U]; // NoTaps + BlockSize - 1, 12 + 20 - 1 plus some spare
q15_t m_boxcarState[30U]; // NoTaps + BlockSize - 1, 6 + 20 - 1 plus some spare
arm_biquad_casd_df1_inst_q31 m_dcFilter;
q31_t m_dcState[4];