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Fix the lengths in the DC removal code.

This commit is contained in:
Jonathan Naylor 2017-08-18 10:42:41 +01:00
parent 74682e7ac0
commit 3e03fcff8e
1 changed files with 8 additions and 8 deletions
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16
IO.cpp
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@ -170,20 +170,20 @@ void CIO::process()
return;
q31_t dcLevel = 0;
q31_t dcVals[20U];
q31_t q31Samples[20U];
q31_t dcValues[RX_BLOCK_SIZE];
q31_t q31Samples[RX_BLOCK_SIZE];
::arm_q15_to_q31(samples, q31Samples, length);
::arm_biquad_cascade_df1_q31(&m_dcFilter, q31Samples, dcVals, length);
::arm_q15_to_q31(samples, q31Samples, RX_BLOCK_SIZE);
::arm_biquad_cascade_df1_q31(&m_dcFilter, q31Samples, dcValues, RX_BLOCK_SIZE);
for (uint8_t i = 0U; i < length; i++)
dcLevel += dcVals[i];
dcLevel /= length;
for (uint8_t i = 0U; i < RX_BLOCK_SIZE; i++)
dcLevel += dcValues[i];
dcLevel /= RX_BLOCK_SIZE;
q15_t offset = q15_t(__SSAT((dcLevel >> 16), 16));;
q15_t dcSamples[RX_BLOCK_SIZE];
for (uint8_t i = 0U; i < length; i++)
for (uint8_t i = 0U; i < RX_BLOCK_SIZE; i++)
dcSamples[i] = samples[i] - offset;
if (m_modemState == STATE_IDLE) {