Display fee as startgas * gaslimit, allow conditional signing of raw data, add U2F tunnel

src_genericwallet/u2f_io.h

@@ -0,0 +1,35 @@
+/*
+*******************************************************************************
+*   Portable FIDO U2F implementation
+*   (c) 2016 Ledger
+*
+*  Licensed under the Apache License, Version 2.0 (the "License");
+*  you may not use this file except in compliance with the License.
+*  You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+*   Unless required by applicable law or agreed to in writing, software
+*   distributed under the License is distributed on an "AS IS" BASIS,
+*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*  See the License for the specific language governing permissions and
+*   limitations under the License.
+********************************************************************************/
+
+#include <stdint.h>
+#include <string.h>
+#include <stdbool.h>
+
+#ifndef __U2F_IO_H__
+
+#define __U2F_IO_H__
+
+#include "u2f_service.h"
+
+#define EXCEPTION_DISCONNECT 0x80
+
+void u2f_io_open_session(void);
+void u2f_io_send(uint8_t *buffer, uint16_t length, u2f_transport_media_t media);
+void u2f_io_close_session(void);
+
+#endif