remove printf references, add bootloader script, merge hex files

fido2/device.h

@@ -44,6 +44,7 @@ void usbhid_close();
 void main_loop_delay();
 
 void heartbeat();
+void bootloader_heartbeat();
 
 void authenticator_read_state(AuthenticatorState * );
 
@@ -62,6 +63,9 @@ void device_manage();
 // A timer should be set up to call `ctaphid_update_status`
 void device_set_status(int status);
 
+// Returns if button is currently pressed
+int device_is_button_pressed();
+
 // Test for user presence
 // Return 1 for user is present, 0 user not present, -1 if cancel is requested.
 extern int ctap_user_presence_test();
@@ -93,4 +97,10 @@ void ctap_overwrite_rk(int index,CTAP_residentKey * rk);
 // Boot laoder application
 int bootloader_bridge(uint8_t klen, uint8_t * keyh);
 
+// Trigger software reset
+void device_reboot();
+
+// for bootloader
+int is_authorized_to_boot();
+
 #endif