mirror of https://github.com/oxen-io/oxen-core.git
102 lines
3.8 KiB
C++
102 lines
3.8 KiB
C++
// Copyright (c) 2017-2019, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#if defined(HAVE_HIDAPI)
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#include <optional>
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#include <vector>
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#include <hidapi/hidapi.h>
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#include "io_device.hpp"
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#pragma once
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namespace hw {
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namespace io {
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/** HID class base. Commands are formated as follow:
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*
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* |----------------------------------------------------------|
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* | 2 bytes | 1 byte | 2 bytes | 2 bytes | len bytes |
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* |-----------|----------|-----------|----------|------------|
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* | channel | tag | sequence | len | payload |
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* |----------------------------------------------------------|
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*/
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struct hid_conn_params {
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unsigned int vid;
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unsigned int pid;
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int interface_number;
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unsigned short usage_page;
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};
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class hid : public device {
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unsigned short channel = 0x0001;
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unsigned char tag = 0x01;
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unsigned int packet_size = 64;
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unsigned int timeout = 120000;
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unsigned int usb_vid = 0;
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unsigned int usb_pid = 0;
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hid_device* usb_device = nullptr;
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void io_hid_log(int read, unsigned char* buf, int buf_len);
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void io_hid_init();
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void io_hid_exit() ;
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void io_hid_open(int vid, int pid, int mode);
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void io_hid_close();
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unsigned int wrapCommand(const unsigned char *command, size_t command_len, unsigned char *out, size_t out_len);
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unsigned int unwrapReponse(const unsigned char *data, size_t data_len, unsigned char *out, size_t out_len);
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hid_device_info *find_device(hid_device_info *devices_list, std::optional<int> interface_number, std::optional<unsigned short> usage_page);
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public:
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bool hid_verbose = false;
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hid(unsigned short channel, unsigned char tag, unsigned int packet_zize, unsigned int timeout);
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hid() = default;
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void init() override;
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void connect(const std::vector<hid_conn_params>& conn);
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bool connect(unsigned int vid, unsigned int pid, std::optional<int> interface_number, std::optional<unsigned short> usage_page);
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bool connected() const override;
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int exchange(const unsigned char* command, unsigned int cmd_len, unsigned char* response, unsigned int max_resp_len, bool user_input) override;
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void disconnect() override;
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void release() override;
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};
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};
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};
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#endif //#if defined(HAVE_HIDAPI)
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