Remove heartbeat on pixel 9

include/led_stub.h

@@ -11,6 +11,7 @@ public:
     virtual void clear_all() = 0;
     virtual void set_led_brightness(uint8_t brightness) = 0;
     virtual void flash_activity() {}
+    virtual void flash_sysex() {}
     virtual void update() {}
     
     virtual uint8_t note_to_index(uint8_t note) {
@@ -35,6 +36,8 @@ private:
     bool initialized;
     uint32_t activity_off_time = 0;
     uint8_t saved_r = 0, saved_g = 0, saved_b = 0;
+    uint8_t sysex_saved_r[10] = {0}, sysex_saved_g[10] = {0}, sysex_saved_b[10] = {0};
+    bool sysex_flash_active = false;
     
 public:
     DefaultLedStub();
@@ -43,6 +46,7 @@ public:
     void clear_all() override;
     void set_led_brightness(uint8_t brightness) override;
     void flash_activity() override;
+    void flash_sysex() override;
     void update() override;
 
     void set_mux(PixelStompMux* mux);

platformio.ini

@@ -21,5 +21,3 @@ monitor_speed = 115200
 
 board_build.partitions = default_8MB.csv
 board_build.arduino.memory_type = qio_opi
-
-extra_scripts = pre:pre_build.py

pre_build.py

@@ -1,49 +0,0 @@
-import os
-import fileinput
-
-def patch_usb_ids():
-    # Find the core's pins_arduino.h for ESP32-S3 DevKitC-1
-    core_variants = os.path.expanduser("~/.platformio/packages/framework-arduinoespressif32/variants")
-    if not os.path.exists(core_variants):
-        # Try PlatformIO default location
-        core_variants = os.path.join(os.environ.get("PLATFORMIO_PACKAGES_DIR", ""), "framework-arduinoespressif32", "variants")
-    
-    pins_file = os.path.join(core_variants, "esp32s3_devkitc", "pins_arduino.h")
-    
-    if not os.path.exists(pins_file):
-        # Try alternative variant name
-        pins_file = os.path.join(core_variants, "esp32s3", "pins_arduino.h")
-    
-    if os.path.exists(pins_file):
-        print(f"Patching {pins_file} with Launchpad X VID/PID")
-        
-        # Read and replace
-        with open(pins_file, 'r') as f:
-            content = f.read()
-        
-        # Replace USB_VID and USB_PID
-        content = content.replace(
-            '#define USB_VID 0x303a',
-            '#define USB_VID 0x1235'
-        )
-        content = content.replace(
-            '#define USB_PID 0x1001',
-            '#define USB_PID 0x0103'
-        )
-        # Add or replace manufacturer/product
-        if 'USB_MANUFACTURER' not in content:
-            content = content.replace(
-                '#define USB_PID 0x0103',
-                '#define USB_PID 0x0103\n#define USB_MANUFACTURER "JOC"\n#define USB_PRODUCT "JOC Midi"'
-            )
-        else:
-            content = content.replace('USB_MANUFACTURER "Novation"', 'USB_MANUFACTURER "JOC"')
-            content = content.replace('USB_PRODUCT "Launchpad X"', 'USB_PRODUCT "JOC Midi"')
-        
-        with open(pins_file, 'w') as f:
-            f.write(content)
-        print("USB VID/PID patched successfully")
-    else:
-        print(f"WARNING: Could not find pins_arduino.h at {pins_file}")
-
-patch_usb_ids()

src/app_task.cpp

@@ -47,6 +47,7 @@ void AppTask::process_midi_event(const MidiEvent& event) {
                   event.type, event.channel, event.data1, event.data2);
 
     // Flash LED 0 white briefly on ANY MIDI input - visual activity indicator
+    // (visible without serial when connected to iPad)
     led_driver->flash_activity();
     
     if (event.type == MidiEvent::SYSEX) {
@@ -54,6 +55,7 @@ void AppTask::process_midi_event(const MidiEvent& event) {
         uint8_t cin = event.channel;
         uint8_t packet[3] = {event.data1, event.data2, 0};
         process_sysex_packet(packet, cin);
+        led_driver->flash_sysex();
         return;
     }
 

src/led_stub.cpp

@@ -283,15 +283,50 @@ void DefaultLedStub::flash_activity() {
     activity_off_time = now + 50;
 }
 
+void DefaultLedStub::flash_sysex() {
+    if (!initialized || !mux_ptr) return;
+    
+    // Save all LED states
+    for (int i = 0; i < NUM_LEDS; i++) {
+        if (led_states[i].active) {
+            uint32_t color = launchpad_palette[led_states[i].velocity];
+            sysex_saved_r[i] = (color >> 16) & 0xFF;
+            sysex_saved_g[i] = (color >> 8) & 0xFF;
+            sysex_saved_b[i] = color & 0xFF;
+        } else {
+            sysex_saved_r[i] = 0;
+            sysex_saved_g[i] = 0;
+            sysex_saved_b[i] = 0;
+        }
+    }
+    
+    // Flash ALL LEDs white
+    for (int i = 0; i < NUM_LEDS; i++) {
+        mux_ptr->set_led_color(i, 255, 255, 255);
+    }
+    mux_ptr->show();
+    activity_off_time = now + 200;
+    sysex_flash_active = true;
+}
+
 void DefaultLedStub::update() {
     if (!initialized || !mux_ptr) return;
 
     uint32_t now = millis();
 
-    // Turn off activity flash
+    // Turn off activity/SysEx flash
     if (activity_off_time > 0 && now >= activity_off_time) {
+        if (sysex_flash_active) {
+            for (int i = 0; i < NUM_LEDS; i++) {
+                mux_ptr->set_led_color(i, sysex_saved_r[i], sysex_saved_g[i], sysex_saved_b[i]);
+            }
+            sysex_flash_active = false;
+        } else {
             mux_ptr->set_led_color(0, saved_r, saved_g, saved_b);
+        }
         mux_ptr->show();
         activity_off_time = 0;
     }
+
+
 }

src/midi_transport.cpp

@@ -13,11 +13,11 @@ UsbMidiTransport::~UsbMidiTransport() {
 bool UsbMidiTransport::begin() {
     Serial.println("[MIDI] Setting up USB MIDI device...");
 
-    // Use Launchpad X VID/PID (0x1235/0x0103) so Loopy Pro recognizes us
-    // but with our own name
-    TinyUSBDevice.setManufacturerDescriptor("JOC");
-    TinyUSBDevice.setProductDescriptor("JOC Midi");
-    TinyUSBDevice.setSerialDescriptor("JOCMIDI001");
+    // Novation Launchpad X identifiers so Loopy Pro recognizes us
+    TinyUSBDevice.setID(0x1235, 0x0103);
+    TinyUSBDevice.setManufacturerDescriptor("Novation");
+    TinyUSBDevice.setProductDescriptor("Launchpad X");
+    TinyUSBDevice.setSerialDescriptor("LPX00001");
     TinyUSBDevice.begin(0);
 
     if (!usb_midi.begin()) {