workaround to use lib/utils/interrupt_char.c

lib/tinyusb

@@ -1 +1 @@
-Subproject commit 191b73b58c5ad6a098c652f31459ef39078a484b
+Subproject commit cc143cccf414f67bf2fc04751b12ee18c447997b

ports/nrf/Makefile

@@ -102,7 +102,6 @@ SRC_C += \
 	tick.c \
 	background.c \
 	internal_flash.c \
-	interrupt_char.c \
 	drivers/bluetooth/ble_drv.c \
 	drivers/bluetooth/ble_uart.c \
 	boards/$(BOARD)/board.c \
@@ -115,6 +114,7 @@ SRC_C += \
 	lib/utils/buffer_helper.c \
 	lib/utils/context_manager_helpers.c \
 	lib/utils/pyexec.c \
+	lib/utils/interrupt_char.c \
 	lib/utils/stdout_helpers.c \
 	lib/libc/string0.c \
 	lib/mp-readline/readline.c \
@@ -219,7 +219,8 @@ SRC_SHARED_BINDINGS = \
 	bitbangio/SPI.c \
 	bitbangio/OneWire.c \
 	random/__init__.c \
-	usb_hid/__init__.c \
+
+#	usb_hid/__init__.c \
 	usb_hid/Device.c \
 
 SRC_SHARED_MODULE_EXPANDED = $(addprefix shared-bindings/, $(SRC_SHARED_BINDINGS)) \

ports/nrf/usb/tusb_config.h

@@ -72,7 +72,7 @@
 #define CFG_TUD_MSC               1
 #define CFG_TUD_HID_KEYBOARD      0
 #define CFG_TUD_HID_MOUSE         0
-#define CFG_TUD_HID_GENERIC       0
+#define CFG_TUD_HID               0
 
 /*------------------------------------------------------------------*/
 /* CLASS DRIVER

ports/nrf/usb/usb.c

@@ -29,6 +29,7 @@
 #include "tick.h"
 #include "usb.h"
 #include "lib/utils/interrupt_char.h"
+#include "lib/mp-readline/readline.h"
 
 #ifdef SOFTDEVICE_PRESENT
 #include "nrf_sdm.h"
@@ -75,7 +76,7 @@ tud_desc_set_t tud_desc_set =
 
     .hid_report =
     {
-        .composite     = NULL,
+        .generic       = NULL,
         .boot_keyboard = NULL,
         .boot_mouse    = NULL
     }
@@ -129,6 +130,12 @@ void usb_init(void) {
     }
 
     tusb_init();
+
+#if MICROPY_KBD_EXCEPTION
+    // Set Ctrl+C as wanted char, tud_cdc_rx_wanted_cb() callback will be invoked when Ctrl+C is received
+    // This callback always got invoked regardless of mp_interrupt_char value since we only set it once here
+    tud_cdc_set_wanted_char(CHAR_CTRL_C);
+#endif
 }
 
 //--------------------------------------------------------------------+
@@ -158,6 +165,8 @@ void tud_cdc_rx_wanted_cb(uint8_t itf, char wanted_char)
 {
     (void) itf; // not used
 
+    // Workaround for using lib/utils/interrupt_char.c
+    // Compare mp_interrupt_char with wanted_char and ignore if not matched
     if (mp_interrupt_char == wanted_char) {
         tud_cdc_read_flush();    // flush read fifo
         mp_keyboard_interrupt();