1 files changed, 112 insertions, 0 deletions
diff --git a/src/device/device_io_hid.hpp b/src/device/device_io_hid.hpp
new file mode 100644
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+++ b/src/device/device_io_hid.hpp
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+// Copyright (c) 2017-2018, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+#if defined(HAVE_HIDAPI) 
+
+#include <hidapi/hidapi.h>
+#include "device_io.hpp"
+
+#pragma once
+
+namespace hw {
+  namespace io {
+
+
+
+    /** HID class base. Commands are formated as follow:
+     *
+     * |----------------------------------------------------------|
+     * |  2 bytes  |  1 byte  |  2 bytes  | 2 bytes  |  len bytes |
+     * |-----------|----------|-----------|----------|------------|
+     * |  channel  |    tag   |  sequence |   len    |  payload   |
+     * |----------------------------------------------------------|
+     */
+
+
+    struct hid_conn_params {
+      unsigned int vid; 
+      unsigned int pid; 
+      unsigned int interface_number;
+      unsigned int usage_page;
+      bool interface_OR_page ;
+    };
+    
+
+    class device_io_hid: device_io {
+      
+
+    private:
+     
+
+      unsigned short channel;
+      unsigned char  tag;
+      unsigned int   packet_size; 
+      unsigned int   timeout;
+
+      unsigned int   usb_vid;
+      unsigned int   usb_pid;
+      hid_device     *usb_device;
+
+      void io_hid_log(int read, unsigned char* buf, int buf_len);
+      void io_hid_init();
+      void io_hid_exit() ;
+      void io_hid_open(int vid, int pid,  int mode);
+      void io_hid_close (void);
+
+      unsigned int wrapCommand(const unsigned char *command, size_t command_len, unsigned char *out, size_t out_len);
+      unsigned int unwrapReponse(const unsigned char *data, size_t data_len, unsigned char *out, size_t out_len);
+ 
+ 
+    public:
+      bool hid_verbose = false;
+
+      const unsigned int  OR_SELECT = 1;
+      const unsigned int  AND_SELECT = 2;
+
+      const unsigned char DEFAULT_CHANNEL     = 0x0001;
+      const unsigned char DEFAULT_TAG         = 0x01;
+      const unsigned int  DEFAULT_PACKET_SIZE = 64;
+      const unsigned int  DEFAULT_TIMEOUT     = 120000;
+
+      device_io_hid(unsigned short channel, unsigned char tag, unsigned int packet_zize, unsigned int timeout);
+      device_io_hid();
+      ~device_io_hid() {};
+
+      void init();  
+      void connect(void *params);
+      void connect(unsigned int vid, unsigned  int pid, unsigned int interface_number, unsigned int usage_page, bool interface_OR_page );
+      bool connected() const;
+      int  exchange(unsigned char *command, unsigned int cmd_len, unsigned char *response, unsigned int max_resp_len);
+      void disconnect();
+      void release();
+    };
+  };
+};
+
+#endif //#if defined(HAVE_HIDAPI)