add 3d models back; flip USB data header

.gitmodules

@@ -14,6 +14,3 @@
 [submodule "gui/source/ImGuiColorTextEdit"]
 	path = gui/source/ImGuiColorTextEdit
 	url = https://github.com/BalazsJako/ImGuiColorTextEdit
-[submodule "gui/kissfft"]
-	path = gui/kissfft
-	url = https://github.com/mborgerding/kissfft

firmware/Makefile

@@ -162,10 +162,10 @@ INCDIR = $(CONFDIR) $(ALLINC) $(TESTINC) \
          source source/periph
 
 # Define C warning options here.
-CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes -pedantic -Werror
+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes -pedantic
 
 # Define C++ warning options here.
-CPPWARN = -Wall -Wextra -Wundef -pedantic -Wno-volatile -Werror -Wconversion
+CPPWARN = -Wall -Wextra -Wundef -pedantic -Wno-volatile
 
 #
 # Project, target, sources and paths
@@ -217,17 +217,6 @@ include $(RULESPATH)/rules.mk
 # Custom rules
 #
 
-check:
-	cppcheck --std=c++17 --enable=warning,style,performance,portability --force $(shell find source/ -name "*.cpp" -or -name "*.hpp" -or -name "*.c" -or -name "*.h" -type f)
-
-tidy:
-	clang-tidy \
-		-warnings-as-errors=* \
-		--extra-arg=-I --extra-arg=/usr/lib/gcc/arm-none-eabi/13/include/g++-v13 \
-		--extra-arg=-I --extra-arg=/usr/lib/gcc/arm-none-eabi/13/include/g++-v13/arm-none-eabi \
-		$(CPPSRC)
-
 #
 # Custom rules
 ##############################################################################
-

firmware/source/communication.cpp

@@ -223,7 +223,7 @@ void sampleRate(unsigned char *cmd)
 {
     if (EM.assert(USBSerial::read(&cmd[1], 1) == 1, Error::BadParamSize)) {
         if (cmd[1] == 0xFF) {
-            auto r = static_cast<unsigned char>(SClock::getRate());
+            unsigned char r = SClock::getRate();
             USBSerial::write(&r, 1);
         } else {
             auto r = static_cast<SClock::Rate>(cmd[1]);

firmware/source/communication.hpp

@@ -2,7 +2,7 @@
  * @file communication.hpp
  * @brief Manages communication with the host computer.
  *
- * Copyright (C) 2023 Clyne Sullivan
+ * Copyright (C) 2021 Clyne Sullivan
  *
  * Distributed under the GNU GPL v3 or later. You should have received a copy of
  * the GNU General Public License along with this program.
@@ -17,17 +17,9 @@
 class CommunicationManager
 {
 public:
-    /**
-     * Starts the communication manager thread (threadComm).
-     */
     static void begin();
 
 private:
-    /**
-     * Continuously polls the USB serial connection, handling received commands
-     * as necessary.
-     * Does not return.
-     */
     static void threadComm(void *);
 
     static std::array<char, 4096> m_thread_stack;

firmware/source/conversion.cpp

@@ -156,7 +156,6 @@ void ConversionManager::threadRunner(void *)
                     samples = entry(samples, size);
                     asm("mov sp, %0" :: "r" (sp));
                     volatile auto testRead = *samples;
-                    (void)testRead;
                 } else {
                     // Start execution timer:
                     asm("mov %0, sp; eor r0, r0; svc 2" : "=r" (sp));
@@ -164,7 +163,6 @@ void ConversionManager::threadRunner(void *)
                     // Stop execution timer:
                     asm("mov r0, #1; svc 2; mov sp, %0" :: "r" (sp));
                     volatile auto testRead = *samples;
-                    (void)testRead;
                 } 
             }
 

firmware/source/conversion.hpp

@@ -2,7 +2,7 @@
  * @file conversion.hpp
  * @brief Manages algorithm application (converts input samples to output).
  *
- * Copyright (C) 2023 Clyne Sullivan
+ * Copyright (C) 2021 Clyne Sullivan
  *
  * Distributed under the GNU GPL v3 or later. You should have received a copy of
  * the GNU General Public License along with this program.
@@ -27,10 +27,6 @@ constexpr unsigned int CONVERSION_THREAD_STACK_SIZE =
 class ConversionManager
 {
 public:
-    /**
-     * Starts two threads: the privileged monitor thread and the unprivileged
-     * algorithm execution thread.
-     */
     static void begin();
 
     // Begins sample conversion.

firmware/source/elf.h

@@ -2,7 +2,7 @@
  * @file elf.h
  * @brief Defines ELF binary format info.
  *
- * Public domain, written by Clyne Sullivan.
+ * Free to use, written by Clyne Sullivan.
  */
 
 #ifndef STMDSP_ELF_HPP

firmware/source/elfload.hpp

@@ -2,7 +2,7 @@
  * @file elfload.hpp
  * @brief Loads ELF binary data into memory for execution.
  *
- * Copyright (C) 2023 Clyne Sullivan
+ * Copyright (C) 2021 Clyne Sullivan
  *
  * Distributed under the GNU GPL v3 or later. You should have received a copy of
  * the GNU General Public License along with this program.
@@ -24,26 +24,9 @@ class ELFManager
 public:
     using EntryFunc = Sample *(*)(Sample *, size_t);
     
-    /**
-     * Attempts to parse the ELF binary loaded in the file buffer.
-     * Returns true if successful.
-     */
     static bool loadFromInternalBuffer();
-
-    /**
-     * Returns a function pointer to the loaded ELF's entry point.
-     * Returns nullptr if a valid ELF is not loaded.
-     */
     static EntryFunc loadedElf();
-
-    /**
-     * Returns the address of the ELF file buffer (copy ELF binary to here).
-     */
     static unsigned char *fileBuffer();
-
-    /**
-     * "Unloads" the loaded binary by invalidating the entry pointer.
-     */
     static void unload();
 
 private:

firmware/source/error.hpp

@@ -2,7 +2,7 @@
  * @file error.hpp
  * @brief Tracks and reports non-critical errors.
  *
- * Copyright (C) 2023 Clyne Sullivan
+ * Copyright (C) 2021 Clyne Sullivan
  *
  * Distributed under the GNU GPL v3 or later. You should have received a copy of
  * the GNU General Public License along with this program.
@@ -31,25 +31,9 @@ class ErrorManager
     constexpr static unsigned int MAX_ERROR_QUEUE_SIZE = 8;
 
 public:
-    /**
-     * Adds the given error to the error queue.
-     */
     void add(Error error);
-
-    /**
-     * If condition is false, add the given error to the error queue.
-     * Returns condition.
-     */
     bool assert(bool condition, Error error);
-
-    /**
-     * Returns true if the error queue is not empty.
-     */
     bool hasError();
-
-    /**
-     * Returns the oldest error queue entry after removing it from the queue.
-     */
     Error pop();
 
 private:

firmware/source/handlers.hpp

@@ -2,7 +2,7 @@
  * @file handlers.hpp
  * @brief Interrupt service routine handlers.
  *
- * Copyright (C) 2023 Clyne Sullivan
+ * Copyright (C) 2021 Clyne Sullivan
  *
  * Distributed under the GNU GPL v3 or later. You should have received a copy of
  * the GNU General Public License along with this program.
@@ -16,15 +16,12 @@
 
 extern "C" {
 
-// Service call handler ("svc" calls)
 __attribute__((naked))
 void port_syscall(struct port_extctx *ctxp, uint32_t n);
 
-// Handle memory faults possibly caused by the algorithm.
 __attribute__((naked))
 void MemManage_Handler();
 
-// Handle execution faults possibly caused by the algorithm.
 __attribute__((naked))
 void HardFault_Handler();
 

firmware/source/monitor.hpp

@@ -2,7 +2,7 @@
  * @file monitor.hpp
  * @brief Manages the device monitoring thread (status LEDs, etc.).
  *
- * Copyright (C) 2023 Clyne Sullivan
+ * Copyright (C) 2021 Clyne Sullivan
  *
  * Distributed under the GNU GPL v3 or later. You should have received a copy of
  * the GNU General Public License along with this program.
@@ -19,15 +19,9 @@
 class Monitor
 {
 public:
-    /**
-     * Starts the monitor thread.
-     */
     static void begin();
 
 private:
-    /**
-     * Updates status LEDs. Does not return.
-     */
     static void threadMonitor(void *);
 
     static std::array<char, THD_WORKING_AREA_SIZE(256)> m_thread_stack;

firmware/source/periph/adc.hpp

@@ -2,7 +2,7 @@
  * @file adc.hpp
  * @brief Manages signal reading through the ADC.
  *
- * Copyright (C) 2023 Clyne Sullivan
+ * Copyright (C) 2021 Clyne Sullivan
  *
  * Distributed under the GNU GPL v3 or later. You should have received a copy of
  * the GNU General Public License along with this program.
@@ -22,47 +22,18 @@ class ADC
 public:
     using Operation = void (*)(adcsample_t *buffer, size_t count);
 
-    /**
-     * Initializes analog input pins and the microcontoller's ADC peripheral.
-     */
     static void begin();
 
-    /**
-     * Begins continuous ADC sampling triggered by SClock at the set sampling
-     * rate.
-     * @param buffer Pointer to buffer for sample data.
-     * @param count Number of samples that the buffer can hold.
-     * @param operation Handler function to operate on filled half-buffers.
-     */
     static void start(adcsample_t *buffer, size_t count, Operation operation);
-
-    /**
-     * Stops the continuous ADC sampling.
-     */
     static void stop();
 
-    /**
-     * Runs a single conversion on the "alt" inputs (parameter knobs).
-     * @param id The ID of the desired "alt" input (zero or one).
-     * @return The sampled value for the given input.
-     */
     static adcsample_t readAlt(unsigned int id);
 
-    /**
-     * Sets the desired sampling rate for the ADC to operate at.
-     */
     static void setRate(SClock::Rate rate);
-
-    /**
-     * Used to override the handler function for the currently running
-     * conversion.
-     */
     static void setOperation(Operation operation);
 
 private:
-    // ADC driver for signal input.
     static ADCDriver *m_driver;
-    // ADC driver for "alt" inputs.
     static ADCDriver *m_driver2;
 
     static const ADCConfig m_config;

firmware/source/periph/cordic.cpp

@@ -1,14 +1,3 @@
-/**
- * @file cordic.cpp
- * @brief Provides mathematical functions for algorithms.
- *
- * Copyright (C) 2023 Clyne Sullivan
- *
- * Distributed under the GNU GPL v3 or later. You should have received a copy of
- * the GNU General Public License along with this program.
- * If not, see <https://www.gnu.org/licenses/>.
- */
-
 #include "cordic.hpp"
 #include "hal.h"
 

firmware/source/periph/cordic.hpp

@@ -1,33 +1,11 @@
-/**
- * @file cordic.hpp
- * @brief Provides mathematical functions for algorithms.
- *
- * Copyright (C) 2023 Clyne Sullivan
- *
- * Distributed under the GNU GPL v3 or later. You should have received a copy of
- * the GNU General Public License along with this program.
- * If not, see <https://www.gnu.org/licenses/>.
- */
-
 #ifndef CORDIC_HPP_
 #define CORDIC_HPP_
 
-/**
- * Named after the hardware CORDIC peripheral even though software
- * implementations may be used.
- */
 namespace cordic {
-    // Provides pi in case cordic functions require it.
     constexpr double PI = 3.1415926535L;
 
-    /**
-     * Prepares cordic functions for use.
-     */
     void init();
 
-    // mod - Calculates remainder for given fraction.
-    // cos, sin, tan - The trig functions.
-
 #if !defined(TARGET_PLATFORM_L4)
     double mod(double n, double d);
 

firmware/source/periph/dac.hpp

@@ -2,7 +2,7 @@
  * @file dac.hpp
  * @brief Manages signal creation using the DAC.
  *
- * Copyright (C) 2023 Clyne Sullivan
+ * Copyright (C) 2021 Clyne Sullivan
  *
  * Distributed under the GNU GPL v3 or later. You should have received a copy of
  * the GNU General Public License along with this program.
@@ -18,35 +18,12 @@
 class DAC
 {
 public:
-    /**
-     * Initializes DAC output pins and peripheral.
-     */
     static void begin();
 
-    /**
-     * Begins continuous DAC conversion on the given channel, running at the
-     * current SClock sampling rate.
-     * @param channel Selected output channel (0 = sig. out, 1 = sig. gen.).
-     * @param buffer Buffer of sample data to output.
-     * @param count Number of samples in sample buffer.
-     */
     static void start(int channel, dacsample_t *buffer, size_t count);
-
-    /**
-     * Stops DAC conversion on the given channel.
-     */
     static void stop(int channel);
 
-    /**
-     * Determines if signal generator needs more sample data for streamed
-     * output (i.e. audio file streaming).
-     * @return >0 if samples needed, <0 on initial run.
-     */
     static int sigGenWantsMore();
-
-    /**
-     * Returns true if signal generator is currently running.
-     */
     static int isSigGenRunning();
 
 private:

firmware/source/periph/usbcfg.c

@@ -264,6 +264,7 @@ static const USBEndpointConfig ep2config = {
  * Handles the USB driver global events.
  */
 static void usb_event(USBDriver *usbp, usbevent_t event) {
+  extern SerialUSBDriver SDU1;
 
   switch (event) {
   case USB_EVENT_ADDRESS:

firmware/source/periph/usbserial.hpp

@@ -2,7 +2,7 @@
  * @file usbserial.hpp
  * @brief Wrapper for ChibiOS's SerialUSBDriver.
  *
- * Copyright (C) 2023 Clyne Sullivan
+ * Copyright (C) 2021 Clyne Sullivan
  *
  * Distributed under the GNU GPL v3 or later. You should have received a copy of
  * the GNU General Public License along with this program.
@@ -17,30 +17,11 @@
 class USBSerial
 {
 public:
-    /**
-     * Prepares for USB serial communication.
-     */
     static void begin();
 
-    /**
-     * Returns true if input data has been received.
-     */
     static bool isActive();
 
-    /**
-     * Reads received input data into the given buffer.
-     * @param buffer Buffer to store input data.
-     * @param count Number of bytes to read.
-     * @return Number of bytes actually read.
-     */
     static size_t read(unsigned char *buffer, size_t count);
-
-    /**
-     * Writes data to serial output.
-     * @param buffer Buffer of output data.
-     * @param count Number of bytes to write.
-     * @return Number of bytes actually written.
-     */
     static size_t write(const unsigned char *buffer, size_t count);
 
 private:

firmware/source/runstatus.hpp

@@ -1,4 +1,5 @@
 // Run status
+//
 enum class RunStatus : char
 {
     Idle = '1',

firmware/source/samplebuffer.cpp

@@ -19,12 +19,12 @@ void SampleBuffer::clear() {
 }
 __attribute__((section(".convcode")))
 void SampleBuffer::modify(Sample *data, unsigned int srcsize) {
-    auto dsize = srcsize < m_size ? srcsize : m_size;
+    auto size = srcsize < m_size ? srcsize : m_size;
-    dsize = (dsize + 15) & (~15);
+    size = (size + 15) & (~15);
 
     m_modified = m_buffer;
     const int *src = reinterpret_cast<const int *>(data);
-    const int * const srcend = src + (dsize / 2);
+    const int * const srcend = src + (size / 2);
     int *dst = reinterpret_cast<int *>(m_buffer);
     do {
         int a = src[0];
@@ -49,12 +49,12 @@ void SampleBuffer::modify(Sample *data, unsigned int srcsize) {
 }
 __attribute__((section(".convcode")))
 void SampleBuffer::midmodify(Sample *data, unsigned int srcsize) {
-    auto dsize = srcsize < m_size / 2 ? srcsize : m_size / 2;
+    auto size = srcsize < m_size / 2 ? srcsize : m_size / 2;
-    dsize = (dsize + 15) & (~15);
+    size = (size + 15) & (~15);
 
     m_modified = middata();
     const int *src = reinterpret_cast<const int *>(data);
-    const int * const srcend = src + (dsize / 2);
+    const int * const srcend = src + (size / 2);
     int *dst = reinterpret_cast<int *>(middata());
     do {
         int a = src[0];

firmware/source/samplebuffer.hpp

@@ -2,7 +2,7 @@
  * @file samplebuffer.hpp
  * @brief Manages ADC/DAC buffer data.
  *
- * Copyright (C) 2023 Clyne Sullivan
+ * Copyright (C) 2021 Clyne Sullivan
  *
  * Distributed under the GNU GPL v3 or later. You should have received a copy of
  * the GNU General Public License along with this program.
@@ -20,79 +20,25 @@ using Sample = uint16_t;
 constexpr unsigned int MAX_SAMPLE_BUFFER_BYTESIZE = sizeof(Sample) * 8192;
 constexpr unsigned int MAX_SAMPLE_BUFFER_SIZE = MAX_SAMPLE_BUFFER_BYTESIZE / sizeof(Sample);
 
-/**
- * Manages a buffer of sample data from the ADC or DAC with facilities to
- * work with separate halves of the total buffer (which is necessary when
- * streaming data to or from the buffer).
- */
 class SampleBuffer
 {
 public:
-    // Manage the sample data memory at 'buffer'.
+    SampleBuffer(Sample *buffer);
-    explicit SampleBuffer(Sample *buffer);
 
-    /**
-     * Fill the current buffer with midpoint (2048/0V) values.
-     */
     void clear();
 
-    /**
-     * Copy 'srcsize' samples from 'data' into the first half of the current
-     * buffer. Also do equivalent of setModified().
-     */
     void modify(Sample *data, unsigned int srcsize);
-
-    /**
-     * Copy 'srcsize' samples from 'data' into the second half of the current
-     * buffer. Also do equivalent of setMidmodified().
-     */
     void midmodify(Sample *data, unsigned int srcsize);
-
-    /**
-     * Set modified buffer pointer to first half of the current buffer.
-     */
     void setModified();
-
-    /**
-     * Set modified buffer pointer to second half of the current buffer.
-     */
     void setMidmodified();
-
-    /**
-     * Return pointer to most recently modified buffer portion.
-     * Clears this internal pointer when called.
-     */
     Sample *modified();
 
-    /**
-     * Returns pointer to first half of current buffer.
-     */
     Sample *data();
-
-    /**
-     * Returns pointer to second half of current buffer.
-     */
     Sample *middata();
-
-    /**
-     * Returns uint8_t-casted pointer to the current buffer.
-     */
     uint8_t *bytedata();
 
-    /**
-     * Sets the total working size of the current buffer. Current buffer must
-     * be able to accommodate.
-     */
     void setSize(unsigned int size);
-
-    /**
-     * Returns the current total working size (number of samples).
-     */
     unsigned int size() const;
-
-    /**
-     * Returns the current total working size (number of bytes).
-     */
     unsigned int bytesize() const;
 
 private:

firmware/source/samples.hpp

@@ -2,7 +2,7 @@
  * @file samples.hpp
  * @brief Provides sample buffers for inputs and outputs.
  *
- * Copyright (C) 2023 Clyne Sullivan
+ * Copyright (C) 2021 Clyne Sullivan
  *
  * Distributed under the GNU GPL v3 or later. You should have received a copy of
  * the GNU General Public License along with this program.
@@ -14,8 +14,6 @@
 
 #include "samplebuffer.hpp"
 
-// Define sample buffers for the input and output signals and the signal
-// generator.
 class Samples
 {
 public:

firmware/source/sclock.hpp

@@ -2,7 +2,7 @@
  * @file sclock.hpp
  * @brief Manages sampling rate clock speeds.
  *
- * Copyright (C) 2023 Clyne Sullivan
+ * Copyright (C) 2021 Clyne Sullivan
  *
  * Distributed under the GNU GPL v3 or later. You should have received a copy of
  * the GNU General Public License along with this program.
@@ -19,7 +19,6 @@
 class SClock
 {
 public:
-    // These are the supported sampling rates. GUI keeps its own enumeration.
     enum class Rate : unsigned int {
         R8K = 0,
         R16K,
@@ -29,32 +28,11 @@ public:
         R96K
     };
 
-    /**
-     * Initializes the sample clock hardware.
-     */
     static void begin();
-
-    /**
-     * Starts the sample rate clock if it is not already running.
-     */
     static void start();
-
-    /**
-     * Indicate that the caller no longer needs the sample clock.
-     * This decrements an internal counter that is incremented by start()
-     * calls; if the counter reaches zero, the clock will actually stop.
-     */
     static void stop();
 
-    /**
-     * Sets the desired sampling rate, used for the next start() call.
-     */
     static void setRate(Rate rate);
-
-    /**
-     * Gets the desired sampling rate (SClock::Rate value) casted to an
-     * unsigned int.
-     */
     static unsigned int getRate();
 
 private:

gui/Makefile

@@ -1,8 +1,6 @@
 CXX = g++
 
 CXXFILES := \
-    kissfft/kiss_fft.c \
-    kissfft/kiss_fftr.c \
     source/serial/src/serial.cc \
     source/imgui/backends/imgui_impl_sdl2.cpp \
     source/imgui/backends/imgui_impl_opengl2.cpp \
@@ -15,8 +13,7 @@ CXXFILES := \
     $(wildcard source/stmdsp/*.cpp) \
     $(wildcard source/*.cpp)
 
-CXXFLAGS := -std=c++20 -Og -ggdb -g3 \
+CXXFLAGS := -std=c++20 -O2 \
-	    -Ikissfft \
             -Isource -Isource/imgui -Isource/stmdsp -Isource/serial/include \
             -Isource/ImGuiColorTextEdit -Isource/ImGuiFileDialog \
             $(shell sdl2-config --cflags) \
@@ -35,7 +32,7 @@ LDFLAGS = $(shell sdl2-config --libs) -lGL -lpthread
 OUTPUT := stmdspgui
 endif
 
-OFILES := $(patsubst %.c, %.o, $(patsubst %.cc, %.o, $(patsubst %.cpp, %.o, $(CXXFILES))))
+OFILES := $(patsubst %.cc, %.o, $(patsubst %.cpp, %.o, $(CXXFILES)))
 
 all: $(OUTPUT)
 

gui/kissfft

@@ -1 +0,0 @@
-Subproject commit 8f47a67f595a6641c566087bf5277034be64f24d

gui/source/device.cpp

@@ -316,7 +316,7 @@ bool deviceConnect()
     return false;
 }
 
-void deviceStart(bool fetchSamples)
+void deviceStart(bool logResults, bool drawSamples)
 {
     if (!m_device) {
         log("No device connected.");
@@ -336,7 +336,7 @@ void deviceStart(bool fetchSamples)
         log("Ready.");
     } else {
         m_device->continuous_start();
-        if (fetchSamples || wavOutput.valid())
+        if (drawSamples || logResults || wavOutput.valid())
             std::thread(drawSamplesTask, m_device).detach();
 
         log("Running.");

gui/source/gui_code.cpp

@@ -28,7 +28,6 @@ void codeEditorInit()
 {
     editor.SetLanguageDefinition(TextEditor::LanguageDefinition::CPlusPlus());
     editor.SetPalette(TextEditor::GetLightPalette());
-    editor.SetShowWhitespaces(false);
 }
 
 void codeRenderMenu()

gui/source/gui_device.cpp

@@ -2,7 +2,7 @@
 #include "imgui.h"
 #include "imgui_internal.h"
 #include "ImGuiFileDialog.h"
-#include "kiss_fftr.h"
+
 #include "stmdsp.hpp"
 
 #include <array>
@@ -45,7 +45,7 @@ void deviceLoadAudioFile(const std::string& file);
 void deviceLoadLogFile(const std::string& file);
 void deviceSetSampleRate(unsigned int index);
 void deviceSetInputDrawing(bool enabled);
-void deviceStart(bool fetchSamples);
+void deviceStart(bool logResults, bool drawSamples);
 void deviceStartMeasurement();
 void deviceUpdateDrawBufferSize(double timeframe);
 std::size_t pullFromDrawQueue(
@@ -57,7 +57,6 @@ static std::string sampleRatePreview = "?";
 static bool measureCodeTime = false;
 static bool logResults = false;
 static bool drawSamples = false;
-static bool drawFrequencies = false;
 static bool popupRequestBuffer = false;
 static bool popupRequestSiggen = false;
 static bool popupRequestLog = false;
@@ -75,7 +74,6 @@ void deviceRenderDisconnect()
     measureCodeTime = false;
     logResults = false;
     drawSamples = false;
-    drawFrequencies = false;
 }
 
 void deviceRenderMenu()
@@ -106,7 +104,7 @@ void deviceRenderMenu()
         static std::string startLabel ("Start");
         addMenuItem(startLabel, isConnected, [&] {
                 startLabel = isRunning ? "Start" : "Stop";
-                deviceStart(logResults || drawSamples || drawFrequencies);
+                deviceStart(logResults, drawSamples);
                 if (logResults && isRunning)
                     logResults = false;
             });
@@ -120,8 +118,7 @@ void deviceRenderMenu()
         if (!isConnected || isRunning)
             ImGui::PushDisabled(); // Hey, pushing disabled!
 
-        ImGui::Checkbox("Plot over time", &drawSamples);
+        ImGui::Checkbox("Draw samples", &drawSamples);
-        ImGui::Checkbox("Plot over freq.", &drawFrequencies);
         if (ImGui::Checkbox("Log results...", &logResults)) {
             if (logResults)
                 popupRequestLog = true;
@@ -299,16 +296,13 @@ void deviceRenderWidgets()
 
 void deviceRenderDraw()
 {
-    static std::vector<stmdsp::dacsample_t> buffer;
-    static std::vector<stmdsp::dacsample_t> bufferInput;
-    static std::vector<kiss_fft_scalar> bufferFFTIn;
-    static std::vector<kiss_fft_cpx> bufferFFTOut;
-    static auto bufferCirc = CircularBuffer(buffer);
-    static auto bufferInputCirc = CircularBuffer(bufferInput);
-    static bool drawSamplesInput = false;
-    static kiss_fftr_cfg kisscfg;
-
     if (drawSamples) {
+        static std::vector<stmdsp::dacsample_t> buffer;
+        static std::vector<stmdsp::dacsample_t> bufferInput;
+        static auto bufferCirc = CircularBuffer(buffer);
+        static auto bufferInputCirc = CircularBuffer(bufferInput);
+
+        static bool drawSamplesInput = false;
         static unsigned int yMinMax = 4095;
 
         ImGui::Begin("draw", &drawSamples);
@@ -439,88 +433,6 @@ void deviceRenderDraw()
             }
         }
 
-        ImGui::End();
-    } else if (drawFrequencies) {
-        ImGui::Begin("draw", &drawFrequencies);
-
-        ImGui::Text("Time: %0.3f sec", drawSamplesTimeframe);
-        ImGui::SameLine();
-        if (ImGui::Button("-", {30, 0})) {
-            drawSamplesTimeframe = std::max(drawSamplesTimeframe / 2., 0.0078125);
-            deviceUpdateDrawBufferSize(drawSamplesTimeframe);
-        }
-        ImGui::SameLine();
-        if (ImGui::Button("+", {30, 0})) {
-            drawSamplesTimeframe = std::min(drawSamplesTimeframe * 2, 32.);
-            deviceUpdateDrawBufferSize(drawSamplesTimeframe);
-        }
-
-        auto newSize = pullFromDrawQueue(bufferCirc);
-        if (newSize > 0) {
-            buffer.resize(newSize);
-            bufferFFTIn.resize(newSize);
-            bufferFFTOut.resize(newSize);
-            bufferCirc = CircularBuffer(buffer);
-            pullFromDrawQueue(bufferCirc);
-
-            kiss_fftr_free(kisscfg);
-            kisscfg = kiss_fftr_alloc(buffer.size(), false, nullptr, nullptr);
-        }
-
-        std::copy(buffer.begin(), buffer.end(), bufferFFTIn.begin());
-        kiss_fftr(kisscfg, bufferFFTIn.data(), bufferFFTOut.data());
-
-        auto drawList = ImGui::GetWindowDrawList();
-        ImVec2 p0 = ImGui::GetWindowPos();
-        auto size = ImGui::GetWindowSize();
-        p0.y += 65;
-        size.y -= 70;
-        drawList->AddRectFilled(p0, {p0.x + size.x, p0.y + size.y}, IM_COL32_BLACK);
-
-        const auto lcMinor = ImGui::GetColorU32(IM_COL32(40, 40, 40, 255));
-        const auto lcMajor = ImGui::GetColorU32(IM_COL32(140, 140, 140, 255));
-
-        {
-            const float yinc = size.y / 10.f;
-            for (int i = 1; i < 10; ++i) {
-                drawList->AddLine({p0.x, p0.y + i * yinc}, {p0.x + size.x, p0.y + i * yinc}, (i % 2) ? lcMinor : lcMajor);
-            }
-        }
-        {
-            const float xinc = size.x / 10.f;
-            for (int i = 1; i < 10; ++i) {
-                drawList->AddLine({p0.x + i * xinc, p0.y}, {p0.x + i * xinc, p0.y + size.y}, (i % 2) ? lcMinor : lcMajor);
-            }
-        }
-
-        const auto Fs = m_device->get_sample_rate();
-
-        const float di = static_cast<float>(buffer.size() / 2) / size.x;
-        const float dx = std::ceil(size.x / static_cast<float>(buffer.size()));
-        ImVec2 pp = p0;
-        float i = 0;
-        while (pp.x < p0.x + size.x) {
-            unsigned int idx = i;
-            float n = std::clamp(bufferFFTOut[idx].r / Fs / 4.f, 0.f, 1.f);
-            i += di;
-
-            ImVec2 next (pp.x + dx, p0.y + size.y * (1 - n));
-            drawList->AddLine(pp, next, ImGui::GetColorU32(IM_COL32(255, 0, 0, 255)), 2.f);
-            pp = next;
-        }
-
-        const auto mouse = ImGui::GetMousePos();
-        if (mouse.x > p0.x && mouse.x < p0.x + size.x &&
-            mouse.y > p0.y && mouse.y < p0.y + size.y)
-        {
-            char buf[16];
-            drawList->AddLine({mouse.x, p0.y}, {mouse.x, p0.y + size.y}, IM_COL32(255, 255, 0, 255));
-
-            const std::size_t si = (mouse.x - p0.x) / size.x * Fs / 2;
-            snprintf(buf, sizeof(buf), "   %5luHz", si);
-            drawList->AddText(mouse, IM_COL32(255, 0, 0, 255), buf);
-        }
-
         ImGui::End();
     }
 }

hardware/DSP PAW add-on board.kicad_pro

@@ -56,10 +56,7 @@
         }
       ],
       "drc_exclusions": [
-        "lib_footprint_issues|147049125|88495000|d2aefee4-de29-456d-afff-5c2c101f4674|00000000-0000-0000-0000-000000000000",
+        "lib_footprint_issues|147049125|88495000|d2aefee4-de29-456d-afff-5c2c101f4674|00000000-0000-0000-0000-000000000000"
-        "lib_footprint_mismatch|172056920|76359492|6e56ba3f-444a-46d5-a1a4-0a13bdcad72a|00000000-0000-0000-0000-000000000000",
-        "lib_footprint_mismatch|174000000|84500000|b094d6cc-194b-4f39-979a-d204c7caeddc|00000000-0000-0000-0000-000000000000",
-        "lib_footprint_mismatch|177600000|74900000|43bf6a24-f35b-46a4-974c-4c658f0c1038|00000000-0000-0000-0000-000000000000"
       ],
       "meta": {
         "version": 2
@@ -86,7 +83,7 @@
         "items_not_allowed": "error",
         "length_out_of_range": "error",
         "lib_footprint_issues": "warning",
-        "lib_footprint_mismatch": "warning",
+        "lib_footprint_mismatch": "ignore",
         "malformed_courtyard": "error",
         "microvia_drill_out_of_range": "error",
         "missing_courtyard": "ignore",
@@ -123,7 +120,7 @@
         "min_hole_to_hole": 0.25,
         "min_microvia_diameter": 0.19999999999999998,
         "min_microvia_drill": 0.09999999999999999,
-        "min_resolved_spokes": 2,
+        "min_resolved_spokes": 1,
         "min_silk_clearance": 0.0,
         "min_text_height": 0.7999999999999999,
         "min_text_thickness": 0.08,

hardware/DSP PAW add-on board.kicad_sch

@@ -6,7 +6,8 @@
 
   (title_block
     (title "DSP PAW add-on board")
-    (date "2023-08-19")
+    (date "2023-09-13")
+    (rev "2")
     (company "bitgloo")
     (comment 1 "Released under the CERN Open Hardware Licence Version 2 - Strongly Reciprocal")
   )

hardware/user_io.kicad_sch

@@ -6,17 +6,18 @@
 
   (title_block
     (title "DSP PAW add-on board")
-    (date "2023-08-19")
+    (date "2023-09-13")
+    (rev "2")
     (company "bitgloo")
     (comment 1 "Released under the CERN Open Hardware Licence Version 2 - Strongly Reciprocal")
   )
 
   (lib_symbols
-    (symbol "Device:LED_RAGB" (pin_names (offset 0) hide) (in_bom yes) (on_board yes)
+    (symbol "Device:LED_BARG" (pin_names (offset 0) hide) (in_bom yes) (on_board yes)
       (property "Reference" "D" (at 0 9.398 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Value" "LED_RAGB" (at 0 -8.89 0)
+      (property "Value" "LED_BARG" (at 0 -8.89 0)
         (effects (font (size 1.27 1.27)))
       )
       (property "Footprint" "" (at 0 -1.27 0)
@@ -28,13 +29,13 @@
       (property "ki_keywords" "LED RGB diode" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_description" "RGB LED, red/anode/green/blue" (at 0 0 0)
+      (property "ki_description" "RGB LED, blue/anode/red/green" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
       (property "ki_fp_filters" "LED* LED_SMD:* LED_THT:*" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (symbol "LED_RAGB_0_0"
+      (symbol "LED_BARG_0_0"
         (text "B" (at -1.905 -6.35 0)
           (effects (font (size 1.27 1.27)))
         )
@@ -45,7 +46,7 @@
           (effects (font (size 1.27 1.27)))
         )
       )
-      (symbol "LED_RAGB_0_1"
+      (symbol "LED_BARG_0_1"
         (polyline
           (pts
             (xy -1.27 -5.08)
@@ -275,21 +276,21 @@
           (fill (type background))
         )
       )
-      (symbol "LED_RAGB_1_1"
+      (symbol "LED_BARG_1_1"
-        (pin passive line (at -5.08 5.08 0) (length 2.54)
+        (pin passive line (at -5.08 -5.08 0) (length 2.54)
-          (name "RK" (effects (font (size 1.27 1.27))))
+          (name "BK" (effects (font (size 1.27 1.27))))
           (number "1" (effects (font (size 1.27 1.27))))
         )
         (pin passive line (at 5.08 0 180) (length 2.54)
           (name "A" (effects (font (size 1.27 1.27))))
           (number "2" (effects (font (size 1.27 1.27))))
         )
-        (pin passive line (at -5.08 0 0) (length 2.54)
+        (pin passive line (at -5.08 5.08 0) (length 2.54)
-          (name "GK" (effects (font (size 1.27 1.27))))
+          (name "RK" (effects (font (size 1.27 1.27))))
           (number "3" (effects (font (size 1.27 1.27))))
         )
-        (pin passive line (at -5.08 -5.08 0) (length 2.54)
+        (pin passive line (at -5.08 0 0) (length 2.54)
-          (name "BK" (effects (font (size 1.27 1.27))))
+          (name "GK" (effects (font (size 1.27 1.27))))
           (number "4" (effects (font (size 1.27 1.27))))
         )
       )
@@ -484,6 +485,58 @@
         )
       )
     )
+    (symbol "power:+3V3" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
+      (property "Reference" "#PWR" (at 0 -3.81 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Value" "+3V3" (at 0 3.556 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Footprint" "" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "global power" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Power symbol creates a global label with name \"+3V3\"" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "+3V3_0_1"
+        (polyline
+          (pts
+            (xy -0.762 1.27)
+            (xy 0 2.54)
+          )
+          (stroke (width 0) (type default))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 0 0)
+            (xy 0 2.54)
+          )
+          (stroke (width 0) (type default))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 0 2.54)
+            (xy 0.762 1.27)
+          )
+          (stroke (width 0) (type default))
+          (fill (type none))
+        )
+      )
+      (symbol "+3V3_1_1"
+        (pin power_in line (at 0 0 90) (length 0) hide
+          (name "+3V3" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
     (symbol "power:GND" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
       (property "Reference" "#PWR" (at 0 -6.35 0)
         (effects (font (size 1.27 1.27)) hide)
@@ -579,29 +632,29 @@
   )
 
 
-  (wire (pts (xy 96.52 106.68) (xy 100.33 106.68))
+  (wire (pts (xy 96.52 113.665) (xy 100.33 113.665))
     (stroke (width 0) (type default))
-    (uuid 222aa4be-b44f-43d8-9f1d-36f978346489)
+    (uuid 2657732d-844d-4789-b397-13ef6e692470)
-  )
-  (wire (pts (xy 96.52 111.76) (xy 100.33 111.76))
-    (stroke (width 0) (type default))
-    (uuid 36caa1f7-82cf-4e39-998d-7cccd6c68c00)
   )
   (wire (pts (xy 110.49 106.68) (xy 114.3 106.68))
     (stroke (width 0) (type default))
     (uuid b3676852-c578-405f-a793-f6668e22af7a)
   )
-  (wire (pts (xy 96.52 115.57) (xy 96.52 111.76))
+  (wire (pts (xy 96.52 106.68) (xy 100.33 106.68))
     (stroke (width 0) (type default))
-    (uuid cfee4500-40f6-4487-b611-6717f3037bb0)
+    (uuid b674dc49-4d5a-40b4-a549-4890dfdad620)
   )
-  (wire (pts (xy 96.52 97.79) (xy 96.52 101.6))
+  (wire (pts (xy 100.33 113.665) (xy 100.33 111.76))
     (stroke (width 0) (type default))
-    (uuid d26e9002-6368-445c-9889-91050d5d6bde)
+    (uuid d0741e44-4b9b-454e-bafa-6dd0947bb0cd)
   )
-  (wire (pts (xy 96.52 101.6) (xy 100.33 101.6))
+  (wire (pts (xy 96.52 100.33) (xy 100.33 100.33))
     (stroke (width 0) (type default))
-    (uuid e9c734d6-1417-42bf-93f2-87e45d7558bc)
+    (uuid ddbb9e7c-ad47-488c-a7ae-a3e195052f25)
+  )
+  (wire (pts (xy 100.33 100.33) (xy 100.33 101.6))
+    (stroke (width 0) (type default))
+    (uuid ff98afc0-2c08-4b2d-8890-399dbc56adfa)
   )
 
   (text "Status LEDs and parameter knobs" (at 115.57 69.85 0)
@@ -621,17 +674,17 @@
       (effects (font (size 1.27 1.27)) (justify left) hide)
     )
   )
-  (global_label "PC12{slash}LED_B" (shape input) (at 88.9 115.57 180) (fields_autoplaced)
+  (global_label "LED_G" (shape input) (at 88.9 106.68 180) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify right))
     (uuid 0fd3b223-092e-4a18-9e3b-460e3e4605d7)
-    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 74.5126 115.4906 0)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 80.3095 106.68 0)
       (effects (font (size 1.27 1.27)) (justify right) hide)
     )
   )
-  (global_label "PC10{slash}LED_R" (shape input) (at 88.9 97.79 180) (fields_autoplaced)
+  (global_label "LED_B" (shape input) (at 88.9 113.665 180) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify right))
     (uuid 2074dbb5-c735-483e-a108-ecde670d15b4)
-    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 74.5126 97.7106 0)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 80.3095 113.665 0)
       (effects (font (size 1.27 1.27)) (justify right) hide)
     )
   )
@@ -642,10 +695,10 @@
       (effects (font (size 1.27 1.27)) (justify left) hide)
     )
   )
-  (global_label "PC11{slash}LED_G" (shape input) (at 88.9 106.68 180) (fields_autoplaced)
+  (global_label "LED_R" (shape input) (at 88.9 100.33 180) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify right))
     (uuid cdea714e-c064-473d-a6c3-973f5beb0d4e)
-    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 74.5126 106.6006 0)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 80.3095 100.33 0)
       (effects (font (size 1.27 1.27)) (justify right) hide)
     )
   )
@@ -671,9 +724,6 @@
     (property "DNP" "" (at 193.04 106.68 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "LCSC Part #" "C330458" (at 193.04 106.68 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
     (pin "1" (uuid 5468099e-cb95-4972-9078-30e43b094d04))
     (pin "2" (uuid 0de265c9-fa60-41cd-b5c8-3b2982f1e4cf))
     (pin "3" (uuid 8d22e474-522c-442d-84f9-4d3795fa75e1))
@@ -694,61 +744,25 @@
     )
   )
 
-  (symbol (lib_id "power:VCC") (at 193.04 102.87 0) (unit 1)
+  (symbol (lib_id "Device:R_US") (at 92.71 100.33 90) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no)
-    (uuid 0b7ce666-6cbf-4100-957e-48b86848c1c6)
-    (property "Reference" "#PWR056" (at 193.04 106.68 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Value" "VCC" (at 193.04 97.79 0)
-      (effects (font (size 1.27 1.27)))
-    )
-    (property "Footprint" "" (at 193.04 102.87 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "" (at 193.04 102.87 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid 4d67f819-24dd-4ed0-ae73-b63ed362a7b4))
-    (instances
-      (project "stmdsp_rev3"
-        (path "/975c3983-57e7-4e06-a697-831e5209dd80"
-          (reference "#PWR056") (unit 1)
-        )
-      )
-      (project "DSP PAW add-on board"
-        (path "/c291319b-d76e-4fda-91cc-061acff65f9f/270d19d2-3af2-41db-ad1c-33373417ec82"
-          (reference "#PWR027") (unit 1)
-        )
-        (path "/c291319b-d76e-4fda-91cc-061acff65f9f/7798c5d5-f9b1-4b2e-811c-a15abcd34bfa"
-          (reference "#PWR068") (unit 1)
-        )
-      )
-    )
-  )
-
-  (symbol (lib_id "Device:R_US") (at 92.71 106.68 90) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 29f7e662-f721-4c3d-848d-61fc5171ba42)
-    (property "Reference" "R18" (at 92.71 100.33 90)
+    (property "Reference" "R18" (at 92.71 98.425 90)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Value" "240" (at 92.71 102.87 90)
+    (property "Value" "240" (at 92.71 102.235 90)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 92.964 105.664 90)
+    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 92.964 99.314 90)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (at 92.71 106.68 0)
+    (property "Datasheet" "" (at 92.71 100.33 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Part Number" "RC0603JR-07240RL" (at 92.71 106.68 0)
+    (property "Part Number" "RC0603JR-07240RL" (at 92.71 100.33 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "DNP" "" (at 92.71 106.68 0)
+    (property "DNP" "" (at 92.71 100.33 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "LCSC Part #" "C23350" (at 92.71 106.68 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid bc61001a-9375-4494-bd53-b146b8cbbfcd))
@@ -836,28 +850,25 @@
     )
   )
 
-  (symbol (lib_id "Device:R_US") (at 92.71 97.79 90) (unit 1)
+  (symbol (lib_id "Device:R_US") (at 92.71 113.665 90) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no)
     (uuid 63c4f82c-3aee-47eb-aaf9-4ff013fc8a40)
-    (property "Reference" "R17" (at 92.71 91.44 90)
+    (property "Reference" "R17" (at 92.71 111.76 90)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Value" "560" (at 92.71 93.98 90)
+    (property "Value" "560" (at 92.71 116.205 90)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 92.964 96.774 90)
+    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 92.964 112.649 90)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "" (at 92.71 97.79 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Part Number" "RC0603JR-07560RL" (at 92.71 97.79 0)
+    (property "Datasheet" "" (at 92.71 113.665 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "DNP" "" (at 92.71 97.79 0)
+    (property "Part Number" "RC0603JR-07560RL" (at 92.71 113.665 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "LCSC Part #" "C23204" (at 92.71 97.79 0)
+    (property "DNP" "" (at 92.71 113.665 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 261550e6-b14d-4948-b24c-2c241f5f4547))
@@ -879,13 +890,13 @@
     )
   )
 
-  (symbol (lib_id "power:VCC") (at 149.86 102.87 0) (unit 1)
+  (symbol (lib_id "power:+3V3") (at 149.86 102.87 0) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no)
-    (uuid 881d1958-8c2a-4d5a-827d-7379482ba809)
+    (uuid 71503ef2-9ff6-4528-93d1-41bfb21ef761)
-    (property "Reference" "#PWR055" (at 149.86 106.68 0)
+    (property "Reference" "#PWR024" (at 149.86 106.68 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "VCC" (at 149.86 97.79 0)
+    (property "Value" "+3V3" (at 149.225 98.425 0)
       (effects (font (size 1.27 1.27)))
     )
     (property "Footprint" "" (at 149.86 102.87 0)
@@ -894,25 +905,20 @@
     (property "Datasheet" "" (at 149.86 102.87 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 3f92816b-1cb9-4f48-9c32-7731fb5014e6))
+    (pin "1" (uuid 31e7d8c9-bef6-45b1-b652-383617931be4))
     (instances
-      (project "stmdsp_rev3"
-        (path "/975c3983-57e7-4e06-a697-831e5209dd80"
-          (reference "#PWR055") (unit 1)
-        )
-      )
       (project "DSP PAW add-on board"
-        (path "/c291319b-d76e-4fda-91cc-061acff65f9f/270d19d2-3af2-41db-ad1c-33373417ec82"
+        (path "/c291319b-d76e-4fda-91cc-061acff65f9f/97fc232a-dbc7-49da-a6a0-e33e9aacbabd"
-          (reference "#PWR023") (unit 1)
+          (reference "#PWR024") (unit 1)
         )
         (path "/c291319b-d76e-4fda-91cc-061acff65f9f/7798c5d5-f9b1-4b2e-811c-a15abcd34bfa"
-          (reference "#PWR067") (unit 1)
+          (reference "#PWR077") (unit 1)
         )
       )
     )
   )
 
-  (symbol (lib_id "Device:LED_RAGB") (at 105.41 106.68 0) (unit 1)
+  (symbol (lib_id "Device:LED_BARG") (at 105.41 106.68 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 9ec9653f-c3a4-41f7-9b1c-80cc24251ffe)
     (property "Reference" "D7" (at 105.41 93.98 0)
@@ -933,9 +939,6 @@
     (property "DNP" "" (at 105.41 106.68 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "LCSC Part #" "C427425" (at 105.41 106.68 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
     (pin "1" (uuid 363fad31-16fa-4be8-b5d2-c004f7616847))
     (pin "2" (uuid c958bf86-e891-47cb-9056-d1b81e2b51c9))
     (pin "3" (uuid 42dd1fb6-acbd-4b4d-9b66-616c7b1fcb01))
@@ -949,28 +952,25 @@
     )
   )
 
-  (symbol (lib_id "Device:R_US") (at 92.71 115.57 90) (unit 1)
+  (symbol (lib_id "Device:R_US") (at 92.71 106.68 90) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no)
     (uuid d04657bd-c6dc-4346-b2bd-fdac6c2c8be6)
-    (property "Reference" "R19" (at 92.71 109.22 90)
+    (property "Reference" "R19" (at 92.71 104.775 90)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Value" "240" (at 92.71 111.76 90)
+    (property "Value" "240" (at 92.71 109.22 90)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 92.964 114.554 90)
+    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 92.964 105.664 90)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "" (at 92.71 115.57 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Part Number" "RC0603JR-07240RL" (at 92.71 115.57 0)
+    (property "Datasheet" "" (at 92.71 106.68 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "DNP" "" (at 92.71 115.57 0)
+    (property "Part Number" "RC0603JR-07240RL" (at 92.71 106.68 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "LCSC Part #" "C23350" (at 92.71 115.57 0)
+    (property "DNP" "" (at 92.71 106.68 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 58518da9-c923-45a5-928d-33b164e619f0))
@@ -992,6 +992,34 @@
     )
   )
 
+  (symbol (lib_id "power:+3V3") (at 193.04 102.87 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid ed87550a-fea6-41a6-acde-ab0b2118affc)
+    (property "Reference" "#PWR024" (at 193.04 106.68 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "+3V3" (at 192.405 98.425 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 193.04 102.87 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (at 193.04 102.87 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 4bd61509-f210-4907-9795-d698befe7b36))
+    (instances
+      (project "DSP PAW add-on board"
+        (path "/c291319b-d76e-4fda-91cc-061acff65f9f/97fc232a-dbc7-49da-a6a0-e33e9aacbabd"
+          (reference "#PWR024") (unit 1)
+        )
+        (path "/c291319b-d76e-4fda-91cc-061acff65f9f/7798c5d5-f9b1-4b2e-811c-a15abcd34bfa"
+          (reference "#PWR078") (unit 1)
+        )
+      )
+    )
+  )
+
   (symbol (lib_id "power:VCC") (at 114.3 106.68 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid f28364df-0228-4487-bd82-798aa123dfd6)
@@ -1046,9 +1074,6 @@
     (property "DNP" "" (at 149.86 106.68 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "LCSC Part #" "C330458" (at 149.86 106.68 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
     (pin "1" (uuid 1a649be3-376f-4b5d-81c4-a51773e11622))
     (pin "2" (uuid 2642011f-a119-4c97-a567-49296afdd169))
     (pin "3" (uuid 402bf8e9-23dc-4da7-aabf-504b3b356586))