From 5800b33f2177392dcc5cade52aa9d2e953df204f Mon Sep 17 00:00:00 2001
From: Jonathan Naylor <naylorjs@yahoo.com>
Date: Tue, 26 Oct 2021 20:51:21 +0100
Subject: [PATCH] Split the DMR and YSF filtering

---
 IO.cpp    | 43 +++++++++++++++++++++++++++----------------
 IO.h      | 13 +++++++++----
 Version.h |  2 +-
 3 files changed, 37 insertions(+), 21 deletions(-)

diff --git a/IO.cpp b/IO.cpp
index e12110e..4c973e4 100644
--- a/IO.cpp
+++ b/IO.cpp
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2015,2016,2017,2018,2020 by Jonathan Naylor G4KLX
+ *   Copyright (C) 2015,2016,2017,2018,2020,2021 by Jonathan Naylor G4KLX
  *   Copyright (C) 2015 by Jim Mclaughlin KI6ZUM
  *   Copyright (C) 2016 by Colin Durbridge G4EML
  *
@@ -91,9 +91,13 @@ m_dcState(),
 m_gaussianFilter(),
 m_gaussianState(),
 #endif
-#if defined(MODE_DMR) || defined(MODE_YSF)
-m_rrc02Filter(),
-m_rrc02State(),
+#if defined(MODE_DMR)
+m_rrc02Filter1(),
+m_rrc02State1(),
+#endif
+#if defined(MODE_YSF)
+m_rrc02Filter2(),
+m_rrc02State2(),
 #endif
 #if defined(MODE_P25)
 m_boxcar5Filter(),
@@ -138,7 +142,7 @@ m_watchdog(0U),
 m_lockout(false)
 {
 #if defined(USE_DCBLOCKER)
-  ::memset(m_dcState,       0x00U,   4U * sizeof(q31_t));
+  ::memset(m_dcState, 0x00U, 4U * sizeof(q31_t));
   m_dcFilter.numStages = DC_FILTER_STAGES;
   m_dcFilter.pState    = m_dcState;
   m_dcFilter.pCoeffs   = DC_FILTER;
@@ -152,11 +156,18 @@ m_lockout(false)
   m_gaussianFilter.pCoeffs = GAUSSIAN_0_5_FILTER;
 #endif
 
-#if defined(MODE_DMR) || defined(MODE_YSF)
-  ::memset(m_rrc02State, 0x00U, 70U * sizeof(q15_t));
-  m_rrc02Filter.numTaps = RRC_0_2_FILTER_LEN;
-  m_rrc02Filter.pState  = m_rrc02State;
-  m_rrc02Filter.pCoeffs = RRC_0_2_FILTER;
+#if defined(MODE_DMR)
+  ::memset(m_rrc02State1, 0x00U, 70U * sizeof(q15_t));
+  m_rrc02Filter1.numTaps = RRC_0_2_FILTER_LEN;
+  m_rrc02Filter1.pState  = m_rrc02State1;
+  m_rrc02Filter1.pCoeffs = RRC_0_2_FILTER;
+#endif
+
+#if defined(MODE_YSF)
+  ::memset(m_rrc02State2, 0x00U, 70U * sizeof(q15_t));
+  m_rrc02Filter2.numTaps = RRC_0_2_FILTER_LEN;
+  m_rrc02Filter2.pState  = m_rrc02State2;
+  m_rrc02Filter2.pCoeffs = RRC_0_2_FILTER;
 #endif
 
 #if defined(MODE_P25)
@@ -458,7 +469,7 @@ void CIO::process()
 #if defined(MODE_DMR)
       if (m_dmrEnable) {
         q15_t DMRVals[RX_BLOCK_SIZE];
-        ::arm_fir_fast_q15(&m_rrc02Filter, samples, DMRVals, RX_BLOCK_SIZE);
+        ::arm_fir_fast_q15(&m_rrc02Filter1, samples, DMRVals, RX_BLOCK_SIZE);
 
         if (m_duplex)
           dmrIdleRX.samples(DMRVals, RX_BLOCK_SIZE);
@@ -471,9 +482,9 @@ void CIO::process()
       if (m_ysfEnable) {
         q15_t YSFVals[RX_BLOCK_SIZE];
 #if defined(USE_DCBLOCKER)
-        ::arm_fir_fast_q15(&m_rrc02Filter, dcSamples, YSFVals, RX_BLOCK_SIZE);
+        ::arm_fir_fast_q15(&m_rrc02Filter2, dcSamples, YSFVals, RX_BLOCK_SIZE);
 #else
-        ::arm_fir_fast_q15(&m_rrc02Filter, samples, YSFVals, RX_BLOCK_SIZE);
+        ::arm_fir_fast_q15(&m_rrc02Filter2, samples, YSFVals, RX_BLOCK_SIZE);
 #endif
         ysfRX.samples(YSFVals, rssi, RX_BLOCK_SIZE);
       }
@@ -531,7 +542,7 @@ void CIO::process()
     else if (m_modemState == STATE_DMR) {
       if (m_dmrEnable) {
         q15_t DMRVals[RX_BLOCK_SIZE];
-        ::arm_fir_fast_q15(&m_rrc02Filter, samples, DMRVals, RX_BLOCK_SIZE);
+        ::arm_fir_fast_q15(&m_rrc02Filter1, samples, DMRVals, RX_BLOCK_SIZE);
 
         if (m_duplex) {
           // If the transmitter isn't on, use the DMR idle RX to detect the wakeup CSBKs
@@ -551,9 +562,9 @@ void CIO::process()
       if (m_ysfEnable) {
         q15_t YSFVals[RX_BLOCK_SIZE];
 #if defined(USE_DCBLOCKER)
-        ::arm_fir_fast_q15(&m_rrc02Filter, dcSamples, YSFVals, RX_BLOCK_SIZE);
+        ::arm_fir_fast_q15(&m_rrc02Filter2, dcSamples, YSFVals, RX_BLOCK_SIZE);
 #else
-        ::arm_fir_fast_q15(&m_rrc02Filter, samples, YSFVals, RX_BLOCK_SIZE);
+        ::arm_fir_fast_q15(&m_rrc02Filter2, samples, YSFVals, RX_BLOCK_SIZE);
 #endif
         ysfRX.samples(YSFVals, rssi, RX_BLOCK_SIZE);
       }
diff --git a/IO.h b/IO.h
index 5671cff..b1cf1ab 100644
--- a/IO.h
+++ b/IO.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2015,2016,2017,2018,2020 by Jonathan Naylor G4KLX
+ *   Copyright (C) 2015,2016,2017,2018,2020,2021 by Jonathan Naylor G4KLX
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -81,9 +81,14 @@ private:
   q15_t                m_gaussianState[40U];      // NoTaps + BlockSize - 1, 12 + 20 - 1 plus some spare
 #endif
 
-#if defined(MODE_DMR) || defined(MODE_YSF)
-  arm_fir_instance_q15 m_rrc02Filter;
-  q15_t                m_rrc02State[70U];         // NoTaps + BlockSize - 1, 42 + 20 - 1 plus some spare
+#if defined(MODE_DMR)
+  arm_fir_instance_q15 m_rrc02Filter1;
+  q15_t                m_rrc02State1[70U];         // NoTaps + BlockSize - 1, 42 + 20 - 1 plus some spare
+#endif
+
+#if defined(MODE_YSF)
+  arm_fir_instance_q15 m_rrc02Filter2;
+  q15_t                m_rrc02State2[70U];         // NoTaps + BlockSize - 1, 42 + 20 - 1 plus some spare
 #endif
 
 #if defined(MODE_P25)
diff --git a/Version.h b/Version.h
index 64f04b5..fb27da7 100644
--- a/Version.h
+++ b/Version.h
@@ -19,7 +19,7 @@
 #if !defined(VERSION_H)
 #define  VERSION_H
 
-#define VERSION "20210930"
+#define VERSION "20211026"
 
 #endif