Feature/tsg/load tests

.gitignore

@@ -34,9 +34,13 @@
 *.sch-bak
 *.kicad_pcb-bak
 
+# build directories and binaries
 firmware/build
 firmware/tests/build
 firmware/tests/TapeLooper_gtest
 dsp/tests/build
 dsp/tests/TapeLooperDSP_gtest
 plugin/build
+
+# macOS crap
+.DS_Store

.vscode/launch.json

@@ -11,15 +11,15 @@
             "cwd": "${workspaceRoot}",
             "environment": [],
             "externalConsole": false,
-            "debugServerArgs": "-f interface/ftdi/olimex-arm-usb-tiny-h.cfg -f target/stm32h7x.cfg -c init -c \"reset init\"",
+            "debugServerArgs": "-f interface/stlink.cfg -f target/stm32h7x.cfg -c init -c \"reset init\"",
             "serverLaunchTimeout": 20000,
             "filterStderr": true,
             "filterStdout": false,
             "serverStarted": "target halted due to debug-request, current mode: Thread",
-            "preLaunchTask": "build-TapeLooper-debug",
+            "preLaunchTask": "build firmware",
             "setupCommands": [
                 { "text": "-target-select remote localhost:3333", "description": "connect to target", "ignoreFailures": false },
-                { "text": "-file-exec-and-symbols ${workspaceRoot}/build/TapeLooper.elf", "description": "load file", "ignoreFailures": false},
+                { "text": "-file-exec-and-symbols ${workspaceRoot}/firmware/build/TapeLooper.elf", "description": "load file", "ignoreFailures": false},
                 { "text": "-interpreter-exec console \"monitor endian little\"", "ignoreFailures": false },
                 { "text": "-interpreter-exec console \"monitor reset\"", "ignoreFailures": false },
                 { "text": "-interpreter-exec console \"monitor halt\"", "ignoreFailures": false },
@@ -40,7 +40,7 @@
             },
             "osx": {
                 "MIMode": "gdb",
-                "MIDebuggerPath": "/Users/johannes/dev/gcc-arm-none-eabi-9-2020-q2-update/bin/arm-none-eabi-gdb",
+                "MIDebuggerPath": "/Users/johanneselliesen/dev/gcc-arm-none-eabi-9-2020-q2-update/bin/arm-none-eabi-gdb",
                 "debugServerPath": "openocd"
             },
             "windows": {

.vscode/tasks.json

@@ -20,6 +20,8 @@
                 "TOOLCHAIN_PREFIX=\"${env:HOME}/dev/gcc-arm-none-eabi-9-2020-q2-update\"",
                 "-D",
                 "CMAKE_TOOLCHAIN_FILE=\"${workspaceRoot}/lib/libDaisy/cmake/toolchains/stm32h750xx.cmake\"",
+                "-D",
+                "CMAKE_BUILD_TYPE=RelWithDebInfo",
                 "-S",
                 "firmware",
                 "-B",
@@ -39,6 +41,8 @@
                     "TOOLCHAIN_PREFIX=\\\"C:/Program Files (x86)/GNU Arm Embedded Toolchain/9 2020-q2-update\\\"",
                     "-D",
                     "CMAKE_TOOLCHAIN_FILE=\\\"${workspaceRoot}/lib/libDaisy/cmake/toolchains/stm32h750xx.cmake\\\"",
+                    "-D",
+                    "CMAKE_BUILD_TYPE=RelWithDebInfo",
                     "-S",
                     "firmware",
                     "-B",

dsp/src/dsp/AudioBuffer.h

@@ -39,7 +39,7 @@ class AudioBufferPtr
 
     AudioBufferPtr<numChannels, FloatType> subBlock(size_t startSample, size_t length = size_t(-1)) const
     {
-        const auto resultMaxLength = std::max(size_ - startSample, 0ul);
+        const auto resultMaxLength = std::max(size_ - startSample, size_t(0));
         const auto resultLength = std::min(resultMaxLength, length);
         AudioBufferPtr<numChannels, FloatType> result(resultLength);
         for (size_t ch = 0; ch < numChannels; ch++)

dsp/src/dsp/EmphasisEq.h

@@ -125,9 +125,9 @@ class FixedOnePoleShelvingEq
 
 /**
  * An pre-emphasis / de-emphasis EQ consisting of
- * a first order high shelf and low shelf EQ.
- * The pre-emphasis section boosts bass and treble,
- * while the de-emphasis section cuts them by the same amount.
+ * two first order low shelf EQs.
+ * The pre-emphasis section boosts bass,
+ * while the de-emphasis section cuts it by the same amount.
  */
 template <typename FloatType, int sampleRate>
 class EmphasisEq
@@ -140,55 +140,38 @@ class EmphasisEq
     void reset()
     {
         lowShelfPreEmphasis_.reset();
-        highShelfPreEmphasis_.reset();
         lowShelfDeEmphasis_.reset();
-        highShelfDeEmphasis_.reset();
     }
 
-    /** Boosts bass and treble by 12dB */
+    /** Boosts bass by 12dB */
     MANUAL_INLINE FloatType processPreEmphasis(const FloatType inputSample)
     {
         FloatType sample = inputSample;
         sample = lowShelfPreEmphasis_.processSample(sample);
-        sample = highShelfPreEmphasis_.processSample(sample);
         return sample;
     }
 
-    /** Cuts bass and treble by 12dB */
+    /** Cuts bass by 12dB */
     MANUAL_INLINE FloatType processDeEmphasis(const FloatType inputSample)
     {
         FloatType sample = inputSample;
         sample = lowShelfDeEmphasis_.processSample(sample);
-        sample = highShelfDeEmphasis_.processSample(sample);
         return sample;
     }
 
 private:
     static constexpr int lowFrequencyInHz_ = 500;
-    static constexpr int highFrequencyInHz_ = 2000;
     static constexpr int gainInDecibels_ = 12;
     FixedOnePoleShelvingEq<FixedOnePoleShelvingEqParameters<FloatType,
                                                             sampleRate,
                                                             OnePoleShelvingEqType::lowShelf,
                                                             lowFrequencyInHz_,
                                                             gainInDecibels_>>
         lowShelfPreEmphasis_;
-    FixedOnePoleShelvingEq<FixedOnePoleShelvingEqParameters<FloatType,
-                                                            sampleRate,
-                                                            OnePoleShelvingEqType::highShelf,
-                                                            highFrequencyInHz_,
-                                                            gainInDecibels_>>
-        highShelfPreEmphasis_;
     FixedOnePoleShelvingEq<FixedOnePoleShelvingEqParameters<FloatType,
                                                             sampleRate,
                                                             OnePoleShelvingEqType::lowShelf,
                                                             lowFrequencyInHz_,
                                                             -gainInDecibels_>>
         lowShelfDeEmphasis_;
-    FixedOnePoleShelvingEq<FixedOnePoleShelvingEqParameters<FloatType,
-                                                            sampleRate,
-                                                            OnePoleShelvingEqType::highShelf,
-                                                            highFrequencyInHz_,
-                                                            -gainInDecibels_>>
-        highShelfDeEmphasis_;
 };

dsp/src/dsp/Player.h

@@ -33,7 +33,6 @@ class Player
     {
         processor_.reset();
         speedModulator_.reset();
-        preGainSmoother_.reset(0);
         postGainSmoother_.reset(0);
         speedSmoother_.reset(0);
         playbackLength_ = 0;
@@ -69,18 +68,14 @@ class Player
     void process(float paramSpeed,
                  float speedModulationAmt,
                  Direction direction,
-                 float paramPreProcessorGain,
                  float paramPostProcessorGain,
                  const typename ProcessorType::Parameters& processorParameters,
                  AudioBufferPtr<numChannels, float> outputToAddTo,
-                 ExponentialSmoother::TimeConstant preGainSmootherTimeConstant =
-                     ExponentialSmoother::TimeConstant(0.05f, sampleRateHz, 1),
                  ExponentialSmoother::TimeConstant postGainSmootherTimeConstant =
                      ExponentialSmoother::TimeConstant(0.05f, sampleRateHz, 1),
                  ExponentialSmoother::TimeConstant speedSmootherTimeConstant =
                      ExponentialSmoother::TimeConstant(0.5f, sampleRateHz, 1))
     {
-        const auto preGainTarget = paramPreProcessorGain;
         const auto postGainTarget = (isPlaying_) ? paramPostProcessorGain : 0.0f;
         const auto speedTarget = limit(paramSpeed, minSpeed_, maxSpeed_);
 
@@ -89,7 +84,6 @@ class Player
 
         for (size_t i = 0; i < outputToAddTo.size_; i++)
         {
-            const auto preGain = preGainSmoother_.smooth(preGainTarget, preGainSmootherTimeConstant);
             const auto postGain = postGainSmoother_.smooth(postGainTarget, postGainSmootherTimeConstant);
             const auto speedModulation = speedModulator_.getAndAdvance() * speedModulationAmt;
             const auto speed = speedModulation + speedSmoother_.smooth(speedTarget, speedSmootherTimeConstant);
@@ -114,7 +108,7 @@ class Player
                 for (size_t ch = 0; ch < numChannels; ch++)
                 {
                     interpolationBuffer_[1][ch] = interpolationBuffer_[0][ch];
-                    interpolationBuffer_[0][ch] = sampleBuffer_[ch][indexToRead] * preGain;
+                    interpolationBuffer_[0][ch] = sampleBuffer_[ch][indexToRead];
                 }
                 processor_.process(interpolationBuffer_[0].data(), processorParameters);
             }
@@ -156,7 +150,6 @@ class Player
         return value;
     }
 
-    ExponentialSmoother preGainSmoother_;
     ExponentialSmoother postGainSmoother_;
     ExponentialSmoother speedSmoother_;
 

dsp/src/dsp/TapeGrain.h

@@ -63,7 +63,7 @@ class ClockedNoiseGenerator
     FloatType getCurrentOutputValue() const { return currentOutputValue_; }
 
 private:
-    void updatePhaseIncrement(FloatType frequency)
+    MANUAL_INLINE void updatePhaseIncrement(FloatType frequency)
     {
         phaseIncrement_ = frequency / FloatType(sampleRate);
     }

dsp/src/dsp/TapeLooper.h

@@ -30,7 +30,7 @@ class LooperStorage : public LooperStoragePtr<numChannels>
         for (size_t ch = 0; ch < numChannels; ch++)
         {
             storage_[ch].fill(0.0f);
-            this->data[ch] = storage_[ch];
+            this->data[ch] = storage_[ch].data();
         }
         this->numSamples = size;
     }
@@ -100,7 +100,6 @@ class TapeLooper
                  float wowAndFlutterAmt,
                  Direction direction,
                  const typename ProcessorType::Parameters& processorParameters,
-                 float paramPreGain,
                  float paramPostGain,
                  AudioBufferPtr<numChannels, const float> input,
                  AudioBufferPtr<numChannels, float> outputToAddTo)
@@ -109,7 +108,6 @@ class TapeLooper
         player_.process(paramSpeed,
                         mappedWowAndFlutterAmt * maxWowAndFlutterAmt_,
                         direction,
-                        paramPreGain,
                         paramPostGain,
                         processorParameters,
                         outputToAddTo);
@@ -177,7 +175,7 @@ class TapeLooper
     const LooperStoragePtr<numChannels> getSampleStoragePtr() const { return storage_; }
 
 private:
-    static constexpr float maxWowAndFlutterAmt_ = 0.0125f;
+    static constexpr float maxWowAndFlutterAmt_ = 0.025f;
     const LooperStoragePtr<numChannels> storage_;
     LooperState state_;
     PlayerType player_;

dsp/src/util/Memory.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <memory>
+#include <cstring>
 
 /** 
  * Represents a fixed size chunk of memory to which data can be written.