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Remove the bit shift of the sample.

This commit is contained in:
Jonathan Naylor 2020-04-23 21:30:41 +01:00
parent bf5ad25609
commit 7a75db2aeb
1 changed files with 2 additions and 4 deletions
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6
FMCTCSSRX.cpp
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@ -111,8 +111,6 @@ CTCSSState CFMCTCSSRX::process(q15_t sample)
{ {
m_result = m_result & (~CTS_READY); m_result = m_result & (~CTS_READY);
q31_t samp = q31_t(sample) << 16;
q31_t q2 = m_q1; q31_t q2 = m_q1;
m_q1 = m_q0; m_q1 = m_q0;
@ -121,8 +119,8 @@ CTCSSState CFMCTCSSRX::process(q15_t sample)
q31_t t2 = __SSAT((t1 >> 31), 31); q31_t t2 = __SSAT((t1 >> 31), 31);
q31_t t3 = t2 * 2; q31_t t3 = t2 * 2;
// m_q0 = m_coeffDivTwo * m_q1 * 2 - q2 + samp // m_q0 = m_coeffDivTwo * m_q1 * 2 - q2 + sample
m_q0 = t3 - q2 + samp; m_q0 = t3 - q2 + q31_t(sample);
m_count++; m_count++;
if (m_count == N) { if (m_count == N) {