Autodetect inserted stick and connect to it

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

1 files changed, 8 insertions, 1 deletions

diff --git a/NK_C_API.h b/NK_C_API.h
index 43a2e34..5960885 100644
--- a/NK_C_API.h
+++ b/NK_C_API.h
@@ -17,11 +17,17 @@ extern void NK_set_debug(bool state);
 /**
  * Connect to device of given model. Currently library can be connected only to one device at once.
  * @param device_model char 'S': Nitrokey Storage, 'P': Nitrokey Pro
- * @return command processing error code
+ * @return 1 if connected, 0 if wrong model or cannot connect
  */
 extern int NK_login(const char *device_model);
 
 /**
+ * Connect to first available device, starting checking from Pro 1st to Storage 2nd.
+ * @return 1 if connected, 0 if wrong model or cannot connect
+ */
+extern int NK_login_auto();
+
+/**
  * Disconnect from the device.
  * @return command processing error code
  */
@@ -311,6 +317,7 @@ extern int NK_erase_password_safe_slot(uint8_t slot_number);
  * @return 0 for no and 1 for yes
  */
 extern int NK_is_AES_supported(const char *user_password);
+
 }