You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
2.0 KiB
71 lines
2.0 KiB
/*
|
|
* Copyright (C) 2017 The Android Open Source Project
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef CPP_ESE_H_
|
|
#define CPP_ESE_H_
|
|
|
|
#include <vector>
|
|
|
|
#include <ese/ese.h>
|
|
|
|
namespace android {
|
|
|
|
/**
|
|
* Mockable wrapper for libese's C API.
|
|
*
|
|
* `init` and `open` must be implemented to select the appropriate HW implementation.
|
|
*/
|
|
class EseInterface {
|
|
public:
|
|
EseInterface() : mEse(nullptr) {}
|
|
virtual ~EseInterface() = default;
|
|
|
|
virtual void init() = 0;
|
|
virtual int open() = 0;
|
|
virtual void close() = 0;
|
|
|
|
virtual const char* name() { return ese_name(mEse); }
|
|
|
|
/**
|
|
* Doesn't match the libese interface perfectly as this uses vectors instead
|
|
* of raw C-style arrays but it makes it much easier to mock/test.
|
|
*/
|
|
virtual int transceive(const std::vector<uint8_t>& tx, std::vector<uint8_t>& rx) {
|
|
return ese_transceive(mEse,
|
|
tx.data(), static_cast<uint32_t>(tx.size()),
|
|
rx.data(), static_cast<uint32_t>(rx.size()));
|
|
}
|
|
|
|
// TODO: overload transceive for ese_transceive_sg
|
|
|
|
virtual bool error() { return ese_error(mEse); }
|
|
virtual const char* error_message() { return ese_error_message(mEse); }
|
|
virtual int error_code() { return ese_error_code(mEse); }
|
|
|
|
/**
|
|
* This is needed in order to call the applet libraries written in C. We
|
|
* should work out a better way to do this.
|
|
*/
|
|
::EseInterface* ese_interface() { return mEse; }
|
|
|
|
protected:
|
|
::EseInterface* mEse;
|
|
};
|
|
|
|
} // namespace android
|
|
|
|
#endif // CPP_ESE_H_
|