From 670b56996be3c125b172e5c0df82d66596773f18 Mon Sep 17 00:00:00 2001
From: Daniel Schaefer <dhs@frame.work>
Date: Fri, 25 Jul 2025 22:38:11 +0800
Subject: [PATCH] Add example for picotool reset

Signed-off-by: Daniel Schaefer <dhs@frame.work>
---
 usb/device/CMakeLists.txt                     |  1 +
 usb/device/dev_picotool_reset/CMakeLists.txt  | 25 +++++++++++++++++++
 .../dev_picotool_reset/picotool_reset.c       | 15 +++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 usb/device/dev_picotool_reset/CMakeLists.txt
 create mode 100644 usb/device/dev_picotool_reset/picotool_reset.c

diff --git a/usb/device/CMakeLists.txt b/usb/device/CMakeLists.txt
index 5e52510f6..b79d303c7 100644
--- a/usb/device/CMakeLists.txt
+++ b/usb/device/CMakeLists.txt
@@ -9,3 +9,4 @@ add_subdirectory(${PICO_TINYUSB_PATH}/examples/device tinyusb_device_examples)
 add_subdirectory_exclude_platforms(dev_hid_composite)
 add_subdirectory_exclude_platforms(dev_lowlevel)
 add_subdirectory_exclude_platforms(dev_multi_cdc)
+add_subdirectory_exclude_platforms(dev_picotool_reset)
diff --git a/usb/device/dev_picotool_reset/CMakeLists.txt b/usb/device/dev_picotool_reset/CMakeLists.txt
new file mode 100644
index 000000000..dec0b15a1
--- /dev/null
+++ b/usb/device/dev_picotool_reset/CMakeLists.txt
@@ -0,0 +1,25 @@
+if (TARGET tinyusb_device)
+    add_executable(picotool_reset
+            picotool_reset.c
+            )
+
+    target_compile_definitions(picotool_reset PRIVATE
+	    PICO_STDIO_USB_ENABLE_RESET_VIA_VENDOR_INTERFACE=1
+	    PICO_STDIO_USB_RESET_INTERFACE_SUPPORT_MS_OS_20_DESCRIPTOR=1
+    )
+
+    # pull in common dependencies
+    target_link_libraries(picotool_reset pico_stdlib)
+
+    # enable usb interface, disable uart output
+    pico_enable_stdio_usb(picotool_reset 1)
+    pico_enable_stdio_uart(picotool_reset 0)
+
+    # create map/bin/hex/uf2 file etc.
+    pico_add_extra_outputs(picotool_reset)
+
+    # add url via pico_set_program_url
+    example_auto_set_url(picotool_reset)
+elseif(PICO_ON_DEVICE)
+    message("Skipping picotool_reset because TinyUSB submodule is not initialized in the SDK")
+endif()
diff --git a/usb/device/dev_picotool_reset/picotool_reset.c b/usb/device/dev_picotool_reset/picotool_reset.c
new file mode 100644
index 000000000..9e5b5844f
--- /dev/null
+++ b/usb/device/dev_picotool_reset/picotool_reset.c
@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ * Copyright (c) 2025 Framework Computer Inc
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "pico/stdlib.h"
+
+int main() {
+    stdio_init_all();
+
+    // Don't exit, wait for control transfer
+    while (true) {}
+}