playlist support

.gitignore

@@ -1 +1 @@
-badapple.webm
+video/

firmware/.gitignore

@@ -6,5 +6,5 @@
 src/gfx_png.h
 src/audio_sample.h
 gfx/
-gfx_output/
+video_output/
 audio/

firmware/README.md

@@ -1,4 +1,10 @@
-convert video
+## convert video
+
+```sh
+scripts/convert.sh ../badapple.webm
+```
+
+or manually:
 
 ```
 ffmpeg -i ../badapple.webm -vf "fps=30,scale=40:40:force_original_aspect_ratio=increase,crop=40:40,format=gray" gfx/frame_%04d.png

firmware/scripts/audio_convert.py

@@ -16,7 +16,7 @@ if len(data_in.shape)>1:
 print("resampling...")
 
 converter = 'sinc_best'  # or 'sinc_fastest', ...
-desired_sample_rate = 44000.0
+desired_sample_rate = 22000.0
 ratio = desired_sample_rate/datasamplerate
 data_out = samplerate.resample(data_in, ratio, converter)
 
@@ -58,7 +58,9 @@ normalized = [int((v-minValue)/vrange*255) for v in data_out]
 
 print("writing blob...")
 
-with open("audio/audio.bin", "wb") as f:
+os.makedirs("video_output", exist_ok=True)
+
+with open("video_output/audio.bin", "wb") as f:
     f.write(bytes(normalized))
 
 print("done!")

firmware/scripts/convert.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+set -e
+set -x
+
+echo "converting $1"
+rm -fr gfx
+rm -fr video_output
+rm -fr audio
+mkdir gfx
+ffmpeg -i "$1" -vf "fps=30,scale=40:40:force_original_aspect_ratio=increase,crop=40:40,format=gray" gfx/frame_%04d.png
+python3 scripts/gfx_to_blob.py
+mkdir audio
+ffmpeg -i "$1" -ar 44000 audio/output.wav
+python3 scripts/audio_convert.py
+open video_output

firmware/scripts/gfx_to_blob.py

@@ -26,10 +26,10 @@ for (name, path) in gfx_files:
         lengths += size.to_bytes(2, byteorder="little")
 
 # create the output directory if it doesn't exist
-os.makedirs("gfx_output", exist_ok=True)
+os.makedirs("video_output", exist_ok=True)
 
-with open("gfx_output/gfx.bin", "wb") as f:
+with open("video_output/gfx.bin", "wb") as f:
     f.write(blob)
 
-with open("gfx_output/gfx_len.bin", "wb") as f:
+with open("video_output/gfx_len.bin", "wb") as f:
     f.write(lengths)

firmware/src/audio.h

@@ -5,8 +5,8 @@
 
 #define AUDIO_PIN 2
 
-#define AUDIO_RATE 44000.0f
-#define BUFFER_LEN 512*32
+#define AUDIO_RATE 22000.0f
+#define BUFFER_LEN 512*2
 #define BUFFER_LEN_MS (BUFFER_LEN / AUDIO_RATE) * 1000.0f
 
 extern uint8_t wav_buffer_0[BUFFER_LEN];

firmware/src/gfx_decoder.cpp

@@ -3,10 +3,10 @@
 #include "lodepng.h"
 #include "leds.h"
 
-uint16_t gfxFrameLengthsBuffer[12000] = {0};
+uint16_t gfxFrameLengthsBuffer[24000] = {0};
 uint16_t frameCount = 0;
 
-uint8_t gfxFrameBuffer[2048] = {0};
+uint8_t gfxFrameBuffer[6400] = {0};
 
 bool gfx_decoder_loadNextFrame() {
   // load frame from SD card

firmware/src/gfx_decoder.h

@@ -4,9 +4,9 @@
 
 #include <Arduino.h>
 
-extern uint16_t gfxFrameLengthsBuffer[12000];
+extern uint16_t gfxFrameLengthsBuffer[24000];
 extern uint16_t frameCount;
-extern uint8_t gfxFrameBuffer[2048];
+extern uint8_t gfxFrameBuffer[6400];
 
 bool gfx_decoder_loadNextFrame();
 bool gfx_decoder_handleLoop();

firmware/src/leds.cpp

@@ -2,11 +2,22 @@
 #include "hardware/gpio.h"
 #include "mbed_wait_api.h"
 #include "pico/multicore.h"
+#include "hardware/pio.h"
 
 #include "leds.h"
+#include "leds.pio.h"
 
+PIO pusher_pio = pio0;
+uint pusher_sm = 255; // invalid
+
+// NOTE: RCLK, SRCLK capture on *rising* edge
 inline void pulsePin(uint8_t pin) {
   gpio_put(pin, HIGH);
+   // there are glitches without this (maybe just due to breadboard...)
+  _NOP();
+  _NOP();
+  _NOP();
+    // busy_wait_us_32(50);
   gpio_put(pin, LOW);
 }
 
@@ -20,12 +31,13 @@ inline void outputEnable(uint8_t pin, bool enable) {
   gpio_put(pin, !enable);
 }
 
-// we have 4-bit color depth, so 16 levels of brightness
-// we go from phase 0 to phase 3
+// we have COLOR_BITS-bit color depth, so 2^COLOR_BITS levels of brightness
+// we go from phase 0 to phase (COLOR_BITS-1)
 uint8_t brightnessPhase = 0;
-uint8_t brightnessPhaseDelays[] = {1, 10, 30, 100};
+uint8_t brightnessPhaseDelays[COLOR_BITS] = {0, 1, 6, 20, 60};
 
-uint8_t framebuffer[ROW_COUNT * COL_COUNT] = {0};
+// NOTE: Alignment required to allow 4-byte reads
+uint8_t framebuffer[ROW_COUNT * COL_COUNT]  __attribute__((aligned(32))) = {0};
 
 void leds_init() {
   memset(framebuffer, 0, sizeof(framebuffer));
@@ -37,6 +49,7 @@ void leds_init() {
   // set up col pins
   pinMode(COL_SER, OUTPUT);
   pinMode(COL_OE, OUTPUT);
+  outputEnable(ROW_OE, false);
   pinMode(COL_RCLK, OUTPUT);
   pinMode(COL_SRCLK, OUTPUT);
   pinMode(COL_SRCLR, OUTPUT);
@@ -44,6 +57,7 @@ void leds_init() {
   // set up row pins
   pinMode(ROW_SER, OUTPUT);
   pinMode(ROW_OE, OUTPUT);
+  outputEnable(ROW_OE, false);
   pinMode(ROW_RCLK, OUTPUT);
   pinMode(ROW_SRCLK, OUTPUT);
   pinMode(ROW_SRCLR, OUTPUT);
@@ -70,10 +84,10 @@ void main2() {
   }
 }
 
+void leds_initPusher();
+
 void leds_initRenderer() {
-  // launch core1
-  // NOTE: For some reason, without delay, core1 doesn't start?
-  // delay(500);
+  leds_initPusher();
   multicore_reset_core1();
   multicore_launch_core1(main2);
 }
@@ -86,7 +100,7 @@ void leds_render() {
   clearShiftReg(ROW_SRCLK, ROW_SRCLR);
 
   // start selecting rows
-  digitalWrite(ROW_SER, HIGH);
+  gpio_put(ROW_SER, HIGH);
 
   for (int yCount = 0; yCount < ROW_COUNT; yCount++) {
     int y = ROW_COUNT - 1 - yCount;
@@ -94,12 +108,12 @@ void leds_render() {
     // we want to keep the matrix on during update (except during latch). At low brightness phases,
     // we want it off to actually be dim
     bool brightPhase = brightnessPhase >= 2;
-    // digitalWrite(ROW_OE, !brightPhase);
+    outputEnable(ROW_OE, brightPhase);
 
     // next row
     pulsePin(ROW_SRCLK);
     // only one row
-    digitalWrite(ROW_SER, LOW);
+    gpio_put(ROW_SER, LOW);
 
     // we use 7/8 stages on shift registers + 1 is unused
     int moduleY = yCount % 20;
@@ -111,31 +125,54 @@ void leds_render() {
       pulsePin(ROW_SRCLK);
     }
 
-    // clear columns
-    clearShiftReg(COL_SRCLK, COL_SRCLR);
-
     // set row data
-    for (int x = 0; x < COL_COUNT; x++) {
-      // get value
-      // NOTE: values are loaded right-left
-      uint8_t pxValue = framebuffer[y * ROW_COUNT + x];
-      // apply brightness
-      bool gotLight = (pxValue >> (4 + brightnessPhase)) & 1;
-      // set value (note: inverted logic)
-      gpio_put(COL_SER, !gotLight);
-      // push value
-      pulsePin(COL_SRCLK);
+    // NOTE: values are loaded right-left
+    // Optimized implementation: use PIO, avoid division, modulo, etc...
+    // we use 7/8 stages of each shift register + 1 is unused so we need to do
+    // silly shit
+    // TODO: Some ideas for future optimization:
+    // - see if we can disable px pusher delays on improved electric interface
+    // - use a profiler to see how the inner loop can be improved
+    // - do the shift register bullshit once per frame, so that data can be loaded into
+    //   registers with aligned access, DMA, etc.
+    // - improve outer loop which adds 2us of processing on each loop
+    // - change busy wait into some kind of interrupt-based thing so that processing can continue
+    // - latch row and clock simultaneously, avoid disabling output
+    uint8_t *buffer = framebuffer + (y * COL_COUNT);
+    for (int xModule = 0; xModule < COL_MODULES; xModule++) {
+      uint32_t pxValues;
 
-      // we use 7/8 stages on shift registers + 1 is unused
-      int moduleX = x % 20;
-      if (moduleX == 0) {
-        pulsePin(COL_SRCLK);
-      }
-      if (moduleX == 6 || moduleX == 13 || moduleX == 19) {
-        pulsePin(COL_SRCLK);
-      }
+      // placeholder at 0; pixels 0, 1, 2
+      pxValues = *(reinterpret_cast<uint32_t *>(buffer));
+      pxValues = pxValues << 8;
+      pio_sm_put_blocking(pusher_pio, pusher_sm, pxValues >> brightnessPhase);
+
+      // pixels 3, 4, 5, placeholder at 6
+      pxValues = *(reinterpret_cast<uint32_t *>(buffer + 3));
+      pio_sm_put_blocking(pusher_pio, pusher_sm, pxValues >> brightnessPhase);
+
+      // pixels 6, 7, 8, 9
+      pxValues = *(reinterpret_cast<uint32_t *>(buffer + 6));
+      pio_sm_put_blocking(pusher_pio, pusher_sm, pxValues >> brightnessPhase);
+
+      // pixels 10, 11, 12, placeholder at 13
+      pxValues = *(reinterpret_cast<uint32_t *>(buffer + 10));
+      pio_sm_put_blocking(pusher_pio, pusher_sm, pxValues >> brightnessPhase);
+
+      // pixels 13, 14, 15, 16
+      pxValues = *(reinterpret_cast<uint32_t *>(buffer + 13));
+      pio_sm_put_blocking(pusher_pio, pusher_sm, pxValues >> brightnessPhase);
+
+      // pixels 17, 18, 19, placeholder
+      pxValues = *(reinterpret_cast<uint32_t *>(buffer + 17));
+      pio_sm_put_blocking(pusher_pio, pusher_sm, pxValues >> brightnessPhase);
+
+      buffer += 20;
     }
 
+    // wait for all data to be shifted out
+    pio_sm_drain_tx_fifo(pusher_pio, pusher_sm);
+
     // disable columns before latch
     outputEnable(ROW_OE, false);
 
@@ -150,5 +187,39 @@ void leds_render() {
   }
 
   // next brightness phase
-  brightnessPhase = (brightnessPhase + 1) % 4;
+  brightnessPhase = (brightnessPhase + 1) % COLOR_BITS;
+}
+
+void leds_initPusher() {
+  PIO pio = pusher_pio;
+  uint sm = pio_claim_unused_sm(pio, true);
+  pusher_sm = sm;
+
+  uint offset = pio_add_program(pio, &leds_px_pusher_program);
+
+  uint dataPin = COL_SER;
+  uint latchPin = COL_SRCLK;
+
+  pio_sm_config config = leds_px_pusher_program_get_default_config(offset);
+  sm_config_set_clkdiv_int_frac(&config, 2, 0);
+
+  // Shift OSR to the right, autopull
+  sm_config_set_out_shift(&config, true, true, 32);
+
+  // Set OUT (data) pin, connect to pad, set as output
+  sm_config_set_out_pins(&config, dataPin, 1);
+  pio_gpio_init(pio, dataPin);
+  pio_sm_set_consecutive_pindirs(pio, sm, dataPin, 1, true);
+
+  // data is inverted
+  gpio_set_outover(dataPin, GPIO_OVERRIDE_INVERT);
+
+  // Set SET (latch) pin, connect to pad, set as output
+  sm_config_set_sideset_pins(&config, latchPin);
+  pio_gpio_init(pio, latchPin);
+  pio_sm_set_consecutive_pindirs(pio, sm, latchPin, 1, true);
+
+  // Load our configuration, and jump to the start of the program
+  pio_sm_init(pio, sm, offset, &config);
+  pio_sm_set_enabled(pio, sm, true);
 }

firmware/src/leds.h

@@ -17,8 +17,10 @@
 #define ROW_SRCLR 10
 
 #define ROW_COUNT 40
-#define COL_COUNT 40
+#define COL_MODULES 2
+#define COL_COUNT COL_MODULES * 20
 
+#define COLOR_BITS 5
 #define FPS 30
 #define MS_PER_FRAME 1000 / FPS
 

firmware/src/leds.pio

@@ -0,0 +1,9 @@
+.program leds_px_pusher
+.side_set 1 opt
+.wrap_target
+public entry_point:
+  out null, 3   side 0 [0]    ; ignore least significant digits
+  out pins, 1                 ; set bit (shifted for brightness phase by C code)
+  out null, 4   side 1 [1]    ; ignore remaining bits, latch data, allow time for latching
+  nop           side 0        ; return to 0 (weird glitches happen otherwise)
+.wrap

firmware/src/leds.pio.h

@@ -0,0 +1,43 @@
+// -------------------------------------------------- //
+// This file is autogenerated by pioasm; do not edit! //
+// -------------------------------------------------- //
+
+#pragma once
+
+#if !PICO_NO_HARDWARE
+#include "hardware/pio.h"
+#endif
+
+// -------------- //
+// leds_px_pusher //
+// -------------- //
+
+#define leds_px_pusher_wrap_target 0
+#define leds_px_pusher_wrap 3
+
+#define leds_px_pusher_offset_entry_point 0u
+
+static const uint16_t leds_px_pusher_program_instructions[] = {
+            //     .wrap_target
+    0x7063, //  0: out    null, 3         side 0     
+    0x6001, //  1: out    pins, 1                    
+    0x7964, //  2: out    null, 4         side 1 [1] 
+    0xb042, //  3: nop                    side 0     
+            //     .wrap
+};
+
+#if !PICO_NO_HARDWARE
+static const struct pio_program leds_px_pusher_program = {
+    .instructions = leds_px_pusher_program_instructions,
+    .length = 4,
+    .origin = -1,
+};
+
+static inline pio_sm_config leds_px_pusher_program_get_default_config(uint offset) {
+    pio_sm_config c = pio_get_default_sm_config();
+    sm_config_set_wrap(&c, offset + leds_px_pusher_wrap_target, offset + leds_px_pusher_wrap);
+    sm_config_set_sideset(&c, 2, true, false);
+    return c;
+}
+#endif
+

firmware/src/main.cpp

@@ -5,16 +5,19 @@
 #include "leds.h"
 #include "gfx_decoder.h"
 
+void loadVideo(size_t index);
+
 void setup() {
   leds_init();
   setupSDPins();
-  pinMode(6, INPUT_PULLUP);
+  pinMode(4, INPUT_PULLUP);
 
   delay(2000);
   Serial.begin(115200);
   Serial.println("Hello worldd!");
 
   init_audio();
+  leds_initRenderer();
 
   // while (!isSDCardInserted()) {
   //   Serial.println("SD card not connected, waiting...");
@@ -23,25 +26,37 @@ void setup() {
   // delay(100);
 
   setupSD();
+  sd_loadPlaylist();
 
-  sd_loadAudio();
+  loadVideo(0);
+}
 
-  if (!sd_loadGfxFrameLengths()) {
+size_t currentVideoIndex = 0;
+bool isLoaded = false;
+
+void loadVideo(size_t index) {
+  audio_stop();
+
+  sd_loadAudio(index);
+
+  if (!sd_loadGfxFrameLengths(index)) {
     Serial.println("Failed to load gfx frame lengths");
     while (true) {}
   }
 
-  if (!sd_loadGfxBlob()) {
+  if (!sd_loadGfxBlob(index)) {
     Serial.println("Failed to load gfx blob");
     while (true) {}
   }
 
-  leds_initRenderer();
+  isLoaded = true;
 }
 
 void loop() {
-  if (digitalRead(6) == LOW) {
-    sd_loadNextAudio();
+  if (digitalRead(4) == LOW) {
+    Serial.println("Next song!");
+    currentVideoIndex = (currentVideoIndex + 1) % playlistSize;
+    loadVideo(currentVideoIndex);
   }
 
   // if (Serial.available() > 0) {
@@ -57,7 +72,11 @@ void loop() {
   //   }
   // }
 
-  if (!gfx_decoder_handleLoop()) {
-    Serial.println("Failed to load frame...");
+  if (isLoaded) {
+    sd_loadNextAudio();
+
+    if (!gfx_decoder_handleLoop()) {
+      Serial.println("Failed to load frame...");
+    }
   }
 }

firmware/src/sd.cpp

@@ -44,7 +44,7 @@ void setupSD() {
 
   // printSDConfig();
 
-  if (!SD.begin(5000000, PIN_SPI_SS)) {
+  if (!SD.begin(20000000, PIN_SPI_SS)) {
     Serial.println("SD Initialization failed!");
     // Serial.print("Error code: ");
     // Serial.println(SD.card.errorCode(), HEX);
@@ -156,10 +156,83 @@ void printSDStats(RP2040_SdVolume volume) {
   Serial.println((float)volumesize / 1024.0);
 }
 
+String playlist[128] = {};
+size_t playlistSize = 0;
+
+void sd_loadPlaylist() {
+  auto path = "video/playlist.txt";
+
+  if (!SD.exists(path)) {
+    Serial.println("Could not find playlist for videos :(");
+    return;
+  }
+
+  auto playlistFile = SD.open(path, FILE_READ);
+  Serial.println("Playlist file opened");
+
+  char playlist_buffer[512];
+  auto fileSize = playlistFile.size();
+  if (fileSize > sizeof(playlist_buffer)) {
+    Serial.print("Playlist file too large, max: ");
+    Serial.println(sizeof(playlist_buffer));
+    return;
+  }
+
+  if (playlistFile.read(&playlist_buffer, sizeof(playlist_buffer)) != fileSize) {
+    Serial.println("Could not read playlist file");
+    return;
+  }
+
+  playlistFile.close();
+
+  Serial.println("Parsing playlist...");
+
+  // parse playlist
+  auto playlistStr = String(playlist_buffer, fileSize);
+  Serial.println(playlistStr);
+
+  auto idx = 0;
+  while (true) {
+    auto nextIdx = playlistStr.indexOf('\n', idx);
+    if (nextIdx == -1) {
+      break;
+    }
+
+    auto line = playlistStr.substring(idx, nextIdx);
+    if (line.length() == 0) {
+      break;
+    }
+    if (line.length() > 8) {
+      Serial.print("Video name too long, size: ");
+      Serial.print(line.length());
+      Serial.println(", max 8");
+      break;
+    }
+
+    playlist[playlistSize++] = line;
+    idx = nextIdx + 1;
+  }
+
+  Serial.println("Playlist loaded");
+
+  for (size_t i = 0; i < playlistSize; i++) {
+    Serial.print(i);
+    Serial.print(": ");
+    Serial.println(playlist[i]);
+  }
+}
+
 File audioFile;
 
-void sd_loadAudio() {
-  if (!SD.exists("/badapple/audio.bin")) {
+void sd_loadAudio(size_t index) {
+  if (index >= playlistSize) {
+    Serial.println("Index out of range");
+    return;
+  }
+
+  auto path = "video/" + playlist[index] + "/audio.bin";
+
+  if (!SD.exists(path)) {
     Serial.println("Audio not found :(");
     return;
   }
@@ -168,7 +241,7 @@ void sd_loadAudio() {
     audioFile.close();
   }
 
-  audioFile = SD.open("/badapple/audio.bin", FILE_READ);
+  audioFile = SD.open(path, FILE_READ);
   Serial.println("Audio file opened");
 
   audio_stop();
@@ -201,16 +274,23 @@ void sd_loadNextAudio() {
     Serial.println("End of audio file, rewinding...");
     audioFile.seek(0);
   } else {
+    /*
     Serial.print("Read ");
     Serial.print(bytesRead);
     Serial.print(" bytes from audio file in ");
     Serial.print(millis() - b4);
     Serial.println("ms");
+    */
   }
 }
 
-bool sd_loadGfxFrameLengths() {
-  auto path = "badapple/gfx_len.bin";
+bool sd_loadGfxFrameLengths(size_t index) {
+  if (index >= playlistSize) {
+    Serial.println("Index out of range");
+    return false;
+  }
+
+  auto path = "video/" + playlist[index] + "/gfx_len.bin";
 
   if (!SD.exists(path)) {
     Serial.println("Frame lengths file not found :(");
@@ -241,8 +321,13 @@ File gfxFile;
 
 uint16_t frameIdx = 0;
 
-bool sd_loadGfxBlob() {
-  auto path = "badapple/gfx.bin";
+bool sd_loadGfxBlob(size_t index) {
+  if (index >= playlistSize) {
+    Serial.println("Index out of range");
+    return false;
+  }
+
+  auto path = "video/" + playlist[index] + "/gfx.bin";
 
   if (!SD.exists(path)) {
     Serial.println("Gfx blob file not found :(");
@@ -252,11 +337,16 @@ bool sd_loadGfxBlob() {
   gfxFile = SD.open(path, FILE_READ);
   Serial.println("Opened video frames");
 
+  frameIdx = 0;
+
   return true;
 }
 
 // Returns size of frame read or -1 if error
 int32_t sd_loadNextFrame() {
+  if (frameIdx > 0) {
+    // return -1;
+  }
   if (!gfxFile || !gfxFile.available()) {
     Serial.println("Gfx file not available");
     return -1;
@@ -270,7 +360,8 @@ int32_t sd_loadNextFrame() {
   // get size of frame png
   auto frameSize = gfxFrameLengthsBuffer[frameIdx];
   if (frameSize > sizeof(gfxFrameBuffer)) {
-    Serial.println("Frame too large");
+    Serial.print("Frame too large: ");
+    Serial.println(frameSize);
     return -1;
   }
 

firmware/src/sd.h

@@ -5,8 +5,11 @@ void setupSD();
 
 bool isSDCardInserted();
 
-void sd_loadAudio();
+extern size_t playlistSize;
+
+void sd_loadPlaylist();
+void sd_loadAudio(size_t index);
 void sd_loadNextAudio();
-bool sd_loadGfxFrameLengths();
-bool sd_loadGfxBlob();
+bool sd_loadGfxFrameLengths(size_t index);
+bool sd_loadGfxBlob(size_t index);
 int32_t sd_loadNextFrame();

firmware/src/sd_pinout.txt

@@ -8,3 +8,5 @@ DET   MISO   CLK   MOSI   DAT2
 
 
 
+D2  D3/CS   CMD/MOSI   VSS1 VDD CLK  VSS2  D0/MISO  D1
+x    17        19       x    x   18   x      16     x

pcb/MainBoard/MainBoard.kicad_pro

@@ -38,8 +38,8 @@
         "other_text_upright": false,
         "pads": {
           "drill": 0.0,
-          "height": 1.0,
-          "width": 1.525
+          "height": 2.5,
+          "width": 4.4
         },
         "silk_line_width": 0.09999999999999999,
         "silk_text_italic": false,
@@ -48,7 +48,7 @@
         "silk_text_thickness": 0.09999999999999999,
         "silk_text_upright": false,
         "zones": {
-          "min_clearance": 0.25
+          "min_clearance": 0.3
         }
       },
       "diff_pair_dimensions": [
@@ -130,7 +130,7 @@
         "min_track_width": 0.125,
         "min_via_annular_width": 0.049999999999999996,
         "min_via_diameter": 0.6,
-        "solder_mask_to_copper_clearance": 0.0,
+        "solder_mask_to_copper_clearance": 0.005,
         "use_height_for_length_calcs": true
       },
       "teardrop_options": [
@@ -702,23 +702,29 @@
           "show": false
         },
         {
-          "group_by": false,
+          "group_by": true,
           "label": "LCSC",
           "name": "LCSC",
-          "show": false
+          "show": true
         },
         {
           "group_by": false,
           "label": "Description",
           "name": "Description",
           "show": false
+        },
+        {
+          "group_by": false,
+          "label": "EXCLUDE_FROM_BOM",
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@@ -1003,6 +1001,15 @@
 					(hide yes)
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pcb/MainBoard/usbc.kicad_sch

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