Nano ESP32: add debugging support

Author: pillo79

Diff for: boards.txt

@@ -24173,4 +24173,11 @@ nano_nora.menu.PinNumbers.default=By Arduino pin (default)
 nano_nora.menu.PinNumbers.byGPIONumber=By GPIO number (legacy)
 nano_nora.menu.PinNumbers.byGPIONumber.build.disable_pin_remap=-DBOARD_USES_HW_GPIO_NUMBERS
 
+nano_nora.menu.USBMode.default=Normal mode (TinyUSB)
+nano_nora.menu.USBMode.hwcdc=Debug mode (Hardware CDC)
+nano_nora.menu.USBMode.hwcdc.build.usb_mode=1
+nano_nora.menu.USBMode.hwcdc.build.copy_jtag_files=1
+nano_nora.menu.USBMode.hwcdc.build.openocdscript=esp32s3-builtin.cfg
+nano_nora.menu.USBMode.hwcdc.build.debugconfig=esp32s3-arduino.json
+
 ##############################################################

Diff for: tools/ide-debug/esp32s3-arduino.json

@@ -0,0 +1,18 @@
+{
+	"name":"Arduino on ESP32-S3",
+	"toolchainPrefix":"xtensa-esp32s3-elf",
+	"svdFile":"debug.svd",
+	"request":"attach",
+	"overrideAttachCommands":[
+		"set remote hardware-watchpoint-limit 2",
+		"monitor reset halt",
+		"monitor gdb_sync",
+		"thb setup",
+		"interrupt"
+	],
+	"overrideRestartCommands":[
+		"monitor reset halt",
+		"monitor gdb_sync",
+		"interrupt"
+	]
+}