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/*
* Copyright 2020 NXP.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 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.
*
* Neither the name of the NXP Semiconductor 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.
*
*/
#include "hidreport.h"
#include "libcomm.h"
#include "liberror.h"
#include "trans.h"
#include "zip.h"
#include <cstring>
HIDReport::~HIDReport()
{
}
void HIDReport::notify(size_t index, uuu_notify::NOTIFY_TYPE type)
{
uuu_notify nf;
nf.type = type;
if(type == uuu_notify::NOTIFY_TRANS_POS)
nf.index = index + m_postion_base;
if (type == uuu_notify::NOTIFY_TRANS_SIZE)
{
nf.index = m_notify_total > index ? m_notify_total : index;
}
call_notify(nf);
}
int HIDReport::read(std::vector<uint8_t> &buff)
{
if (buff.size() < m_size_in + m_size_payload)
{
set_last_err_string("buffer to small to get a package");
return -1;
}
size_t rs;
int ret = m_pdev->read(buff.data(), m_size_in + m_size_payload, &rs);
return ret;
}
int HIDReport::write(const void *p, size_t sz, uint8_t report_id)
{
notify(sz, uuu_notify::NOTIFY_TRANS_SIZE);
const uint8_t * const buff = reinterpret_cast<const uint8_t *>(p);
size_t off = 0;
for (; off < sz; off += m_size_out)
{
m_out_buff[0] = report_id;
size_t s = sz - off;
if (s > m_size_out)
s = m_size_out;
memcpy(m_out_buff.data() + m_size_payload, buff + off, s);
/*
* The Windows HIDAPI is ver strict. It always require to send
* buffers of the size reported by the HID Report Descriptor.
* Therefore we must to send m_size_out buffers for HID ID 2
* albeit it may not required for the last buffer.
*/
if (report_id == 2)
s = m_size_out;
int ret = m_pdev->write(m_out_buff.data(), s + m_size_payload);
if (ret < 0)
return -1;
if (off % 0x1F == 0)
{
notify(off, uuu_notify::NOTIFY_TRANS_POS);
}
}
notify(sz, uuu_notify::NOTIFY_TRANS_POS);
return 0;
}
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