Expose enabling firmware update in C API

Signed-off-by: Szczepan Zalega <szczepan@nitrokey.com>

2 files changed, 21 insertions, 0 deletions

diff --git a/NK_C_API.cc b/NK_C_API.cc
index 6afce74..33a5fbb 100644
--- a/NK_C_API.cc
+++ b/NK_C_API.cc
@@ -538,6 +538,13 @@ extern "C" {
 		});
 	}
 
+	NK_C_API int NK_enable_firmware_update(const char* update_password){
+		auto m = NitrokeyManager::instance();
+		return get_without_result([&]() {
+			m->enable_firmware_update(update_password);
+		});
+	}
+
 	NK_C_API const char* NK_get_status_storage_as_string() {
 		auto m = NitrokeyManager::instance();
 		return get_with_string_result([&]() {
diff --git a/NK_C_API.h b/NK_C_API.h
index aa89ece..ba6b7eb 100644
--- a/NK_C_API.h
+++ b/NK_C_API.h
@@ -475,6 +475,20 @@ extern "C" {
 		const char* new_update_password);
 
 	/**
+	 * Enter update mode. Needs update password.
+	 * When device is in update mode it no longer accepts any HID commands until
+	 * firmware is launched (regardless of being updated or not).
+	 * Smartcard (through CCID interface) and its all volumes are not visible as well.
+	 * Its VID and PID are changed to factory-default to be detected by flashing software.
+	 * Result of this command can be reversed by using 'launch' command.
+	 * For dfu-programmer it would be: 'dfu-programmer at32uc3a3256s launch'.
+	 * Storage only
+	 * @param update_password 20 characters
+	 * @return command processing error code
+	 */
+	NK_C_API int NK_enable_firmware_update(const char* update_password);
+
+	/**
 	 * Get Storage stick status as string.
 	 * Storage only
 	 * @return string with devices attributes