SCSI2SD/software/scsi2sd-util/SCSI2SD_HID.hh
2015-02-01 19:13:33 +10:00

92 lines
2.2 KiB
C++

// Copyright (C) 2014 Michael McMaster <michael@codesrc.com>
//
// This file is part of SCSI2SD.
//
// SCSI2SD is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// SCSI2SD is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with SCSI2SD. If not, see <http://www.gnu.org/licenses/>.
#ifndef SCSI2SD_HID_H
#define SCSI2SD_HID_H
#include "hidapi.h"
#if __cplusplus >= 201103L
#include <cstdint>
#else
#include <stdint.h>
#endif
#include <string>
#include <vector>
namespace SCSI2SD
{
class HID
{
public:
static const uint16_t VENDOR_ID = 0x04B4; // Cypress
static const uint16_t PRODUCT_ID = 0x1337; // SCSI2SD application firmware
static const int CONFIG_INTERFACE = 0;
static const int DEBUG_INTERFACE = 1;
static const size_t HID_PACKET_SIZE = 64;
// HID intervals for 4.0.3 firmware: <= 128ms
// > 4.0.3 = 32ms.
static const size_t HID_TIMEOUT_MS = 256; // 2x HID Interval.
static HID* Open();
~HID();
uint16_t getFirmwareVersion() const { return myFirmwareVersion; }
std::string getFirmwareVersionStr() const;
uint32_t getSDCapacity() const { return mySDCapacity; }
std::vector<uint8_t> getSD_CSD();
std::vector<uint8_t> getSD_CID();
void enterBootloader();
void readFlashRow(int array, int row, std::vector<uint8_t>& out);
void writeFlashRow(int array, int row, const std::vector<uint8_t>& in);
bool ping();
bool readSCSIDebugInfo(std::vector<uint8_t>& buf);
private:
HID(hid_device_info* hidInfo);
void destroy();
void readDebugData();
void readHID(uint8_t* buffer, size_t len);
void sendHIDPacket(
const std::vector<uint8_t>& cmd,
std::vector<uint8_t>& out,
size_t responseLength
);
hid_device_info* myHidInfo;
hid_device* myConfigHandle;
hid_device* myDebugHandle;
// Read-only data from the debug interface.
uint16_t myFirmwareVersion;
uint32_t mySDCapacity;
};
} // namespace
#endif