earlephilhower · earlephilhower · Oct 5, 2025 · Oct 5, 2025
diff --git a/cores/rp2040/RP2040Support.h b/cores/rp2040/RP2040Support.h
@@ -72,7 +72,6 @@ class _MFIFO {
 
     void registerCore() {
 #ifndef __FREERTOS
-        multicore_doorbell_clear_current_core(_doorbell);
         uint32_t irq = multicore_doorbell_irq_num(_doorbell);
         irq_add_shared_handler(irq, _irq, 128);
         irq_set_enabled(irq, true);

diff --git a/include/rp2040/pico_base/pico/version.h b/include/rp2040/pico_base/pico/version.h
@@ -13,7 +13,7 @@
 
 #define PICO_SDK_VERSION_MAJOR    2
 #define PICO_SDK_VERSION_MINOR    2
-#define PICO_SDK_VERSION_REVISION 0
-#define PICO_SDK_VERSION_STRING   "2.2.0"
+#define PICO_SDK_VERSION_REVISION 1
+#define PICO_SDK_VERSION_STRING   "2.2.1-develop"
 
 #endif
diff --git a/include/rp2350/pico_base/pico/version.h b/include/rp2350/pico_base/pico/version.h
@@ -13,7 +13,7 @@
 
 #define PICO_SDK_VERSION_MAJOR    2
 #define PICO_SDK_VERSION_MINOR    2
-#define PICO_SDK_VERSION_REVISION 0
-#define PICO_SDK_VERSION_STRING   "2.2.0"
+#define PICO_SDK_VERSION_REVISION 1
+#define PICO_SDK_VERSION_STRING   "2.2.1-develop"
 
 #endif
diff --git a/include/tusb_config.h b/include/tusb_config.h
@@ -73,7 +73,7 @@
 #define CFG_TUD_HID              (2)
 #define CFG_TUD_CDC              (1)
 #define CFG_TUD_MSC              (1)
-#define CFG_TUD_MIDI             (0)
+#define CFG_TUD_MIDI             (1)
 #define CFG_TUD_VENDOR           (0)
 
 #define CFG_TUD_CDC_RX_BUFSIZE  (256)
@@ -84,6 +84,10 @@
 // HID buffer size Should be sufficient to hold ID (if any) + Data
 #define CFG_TUD_HID_EP_BUFSIZE  (64)
 
+// MIDI
+#define CFG_TUD_MIDI_RX_BUFSIZE (64)
+#define CFG_TUD_MIDI_TX_BUFSIZE (64)
+
 #ifdef __cplusplus
  }
 #endif

diff --git a/lib/platform_def.txt b/lib/platform_def.txt
@@ -70,6 +70,7 @@
 -DPICO_RP2040_USB_DEVICE_UFRAME_FIX=1
 -DPICO_USE_BLOCKED_RAM=0
 -DPICO_XOSC_STARTUP_DELAY_MULTIPLIER=64
+-DPICO_MAX_SHARED_IRQ_HANDLERS=6
 
 -DPICO_CYW43_ARCH_HEADER=stdint.h
 -DCYW43_TASK_STACK_SIZE=1024
diff --git a/lib/rp2040/liblwip-bt.a b/lib/rp2040/liblwip-bt.a
diff --git a/lib/rp2040/liblwip.a b/lib/rp2040/liblwip.a
diff --git a/lib/rp2040/libpico.a b/lib/rp2040/libpico.a
diff --git a/lib/rp2350-riscv/liblwip-bt.a b/lib/rp2350-riscv/liblwip-bt.a
diff --git a/lib/rp2350-riscv/liblwip.a b/lib/rp2350-riscv/liblwip.a
diff --git a/lib/rp2350-riscv/libpico.a b/lib/rp2350-riscv/libpico.a
diff --git a/lib/rp2350/liblwip-bt.a b/lib/rp2350/liblwip-bt.a
diff --git a/lib/rp2350/liblwip.a b/lib/rp2350/liblwip.a
diff --git a/lib/rp2350/libpico.a b/lib/rp2350/libpico.a
diff --git a/pico-sdk b/pico-sdk
diff --git a/tools/libpico/CMakeLists.txt b/tools/libpico/CMakeLists.txt
@@ -70,6 +70,8 @@ target_compile_definitions(common-${cpu} INTERFACE
     PICO_PRINTF_ALWAYS_INCLUDED=1
     PICO_FLASH_SIZE_BYTES=16777216
 
+    PICO_MAX_SHARED_IRQ_HANDLERS=6
+
     PICO_32BIT=1
     PICO_NO_BINARY_INFO=1
     PICO_NO_FLASH=0
+1 −1		MODULE.bazel
+2 −2		pico_sdk_version.cmake
+0 −0		src/boards/include/boards/waveshare_pico_cam_a.h
+0 −0		src/boards/include/boards/waveshare_rp2040_ble.h
+0 −0		src/boards/include/boards/waveshare_rp2040_eth.h
+0 −0		src/boards/include/boards/waveshare_rp2040_geek.h
+0 −0		src/boards/include/boards/waveshare_rp2040_matrix.h
+0 −0		src/boards/include/boards/waveshare_rp2040_pizero.h
+0 −0		src/boards/include/boards/waveshare_rp2040_power_management_hat_b.h
+0 −0		src/boards/include/boards/waveshare_rp2040_tiny.h
+0 −0		src/boards/include/boards/waveshare_rp2040_touch_lcd_1.28.h
+0 −0		src/boards/include/boards/waveshare_rp2350_eth.h
+0 −0		src/boards/include/boards/waveshare_rp2350_geek.h
+0 −0		src/boards/include/boards/waveshare_rp2350_lcd_0.96.h
+0 −0		src/boards/include/boards/waveshare_rp2350_lcd_1.28.h
+0 −0		src/boards/include/boards/waveshare_rp2350_one.h
+0 −0		src/boards/include/boards/waveshare_rp2350_plus_16mb.h
+0 −0		src/boards/include/boards/waveshare_rp2350_plus_4mb.h
+0 −0		src/boards/include/boards/waveshare_rp2350_tiny.h
+0 −0		src/boards/include/boards/waveshare_rp2350_touch_lcd_1.28.h
+0 −0		src/boards/include/boards/waveshare_rp2350_zero.h
+0 −2		src/host/hardware_sync/include/hardware/sync.h
+28 −7		src/host/hardware_sync/sync_core0_only.c
+1 −1		src/rp2350/README.md
+3 −2		src/rp2_common/hardware_dma/include/hardware/dma.h
+4 −2		src/rp2_common/hardware_gpio/gpio.c
+1 −1		src/rp2_common/hardware_hazard3/include/hardware/hazard3/instructions.h
+9 −7		src/rp2_common/hardware_irq/irq.c
+1 −1		src/rp2_common/hardware_pio/include/hardware/pio_instructions.h
+9 −0		src/rp2_common/hardware_sync/include/hardware/sync.h
+1 −1		src/rp2_common/pico_mbedtls/include/sha256_alt.h
+1 −1		src/rp2_common/pico_multicore/multicore.c
+0 −2		src/rp2_common/pico_status_led/CMakeLists.txt
+1 −1		src/rp2_common/pico_status_led/include/pico/status_led.h
+2 −1		src/rp2_common/pico_status_led/status_led.c