From 88a600a9160376e536bb380478ead36ef72c813a Mon Sep 17 00:00:00 2001
From: boblark <bob@janbob.com>
Date: Wed, 18 Jan 2023 21:01:08 -0800
Subject: [PATCH] Fixed to compile with T3.x (run only T4.x)

---
 async_input_spdif3_F32.cpp | 14 +++++++-------
 async_input_spdif3_F32.h   | 14 ++++++++++----
 2 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/async_input_spdif3_F32.cpp b/async_input_spdif3_F32.cpp
index d95b029..da03595 100644
--- a/async_input_spdif3_F32.cpp
+++ b/async_input_spdif3_F32.cpp
@@ -407,16 +407,18 @@ int32_t AsyncAudioInputSPDIF3_F32::getHalfFilterLength() const{
 	return _resampler.getHalfFilterLength();
 }
 
-#endif // __IMXRT1062__
+// Only for T4.x (__IMXRT1062__).
+#endif
 
 
 #if defined(__MK66FX1M0__) || defined(__MK64FX512__) || defined(__MK20DX256__) || defined(__MKL26Z64__)
 // empty code to allow compile (but no sound input) on other Teensy models
 
-#include "async_input_spdif3.h"
-AsyncAudioInputSPDIF3_F32::AsyncAudioInputSPDIF3_F32(bool dither, bool noiseshaping,float attenuation, int32_t minHalfFilterLength, int32_t maxHalfFilterLength):
-	AudioStream(0, NULL), _resampler(attenuation, minHalfFilterLength, maxHalfFilterLength)
-	{ }
+#include "async_input_spdif3_F32.h"
+// Removed next for T3.x compile.  Bob L Jan 2023
+//AsyncAudioInputSPDIF3_F32::AsyncAudioInputSPDIF3_F32(bool dither, bool noiseshaping,float attenuation, int32_t minHalfFilterLength, int32_t maxHalfFilterLength):
+//	AudioStream(0, NULL), _resampler(attenuation, minHalfFilterLength, maxHalfFilterLength)
+//	{ }
 void AsyncAudioInputSPDIF3_F32::begin() { }
 void AsyncAudioInputSPDIF3_F32::update(void) { }
 double AsyncAudioInputSPDIF3_F32::getBufferedTime() const { return 0; }
@@ -427,6 +429,4 @@ double AsyncAudioInputSPDIF3_F32::getAttenuation() const { return 0; }
 int32_t AsyncAudioInputSPDIF3_F32::getHalfFilterLength() const { return 0; }
 AsyncAudioInputSPDIF3_F32::~AsyncAudioInputSPDIF3_F32() { }
 
-
 #endif
-
diff --git a/async_input_spdif3_F32.h b/async_input_spdif3_F32.h
index b808a9a..b93d817 100644
--- a/async_input_spdif3_F32.h
+++ b/async_input_spdif3_F32.h
@@ -37,6 +37,9 @@
 
 //#define DEBUG_SPDIF_IN	//activates debug output
 
+// Only for T4.x
+// #if defined(__IMXRT1062__)
+
 class Scaler_F32; // internal
 
 class AsyncAudioInputSPDIF3_F32 : public AudioStream_F32
@@ -55,7 +58,7 @@ public:
 	double getTargetLantency() const;
 	double getAttenuation() const;
 	int32_t getHalfFilterLength() const;
-protected:	
+protected:
 	static DMAChannel dma;
 	static void isr(void);
 private:
@@ -74,12 +77,12 @@ private:
 	Resampler _resampler;
 	Scaler_F32* quantizer[2];
 	arm_biquad_cascade_df2T_instance_f32 _bufferLPFilter;
-	
+
 	volatile double _bufferedTime;
 	volatile double _lastValidInputFrequ;
 	double _inputFrequency=0.;
 	double _targetLatencyS;	//target latency [seconds]
-	const double _blockDuration=AUDIO_BLOCK_SAMPLES/AUDIO_SAMPLE_RATE_EXACT; //[seconds] 
+	const double _blockDuration=AUDIO_BLOCK_SAMPLES/AUDIO_SAMPLE_RATE_EXACT; //[seconds]
 	double _maxLatency=2.*_blockDuration;
 	static float sample_rate_Hz; // configured output sample rate
 
@@ -88,4 +91,7 @@ private:
 #endif
 };
 
-#endif
\ No newline at end of file
+// Only for T4.x
+//#endif
+
+#endif