From ffa8801644a7d53cc1c785e3450f794c07a14eb0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sun, 2 Feb 2020 17:13:01 +0100 Subject: New upstream version 1.0.29 --- backend/genesys/usb_device.cpp | 147 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 backend/genesys/usb_device.cpp (limited to 'backend/genesys/usb_device.cpp') diff --git a/backend/genesys/usb_device.cpp b/backend/genesys/usb_device.cpp new file mode 100644 index 0000000..2d02219 --- /dev/null +++ b/backend/genesys/usb_device.cpp @@ -0,0 +1,147 @@ +/* sane - Scanner Access Now Easy. + + Copyright (C) 2019 Povilas Kanapickas + + This file is part of the SANE package. + + This program 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 2 of the + License, or (at your option) any later version. + + This program 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 this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, the authors of SANE give permission for + additional uses of the libraries contained in this release of SANE. + + The exception is that, if you link a SANE library with other files + to produce an executable, this does not by itself cause the + resulting executable to be covered by the GNU General Public + License. Your use of that executable is in no way restricted on + account of linking the SANE library code into it. + + This exception does not, however, invalidate any other reasons why + the executable file might be covered by the GNU General Public + License. + + If you submit changes to SANE to the maintainers to be included in + a subsequent release, you agree by submitting the changes that + those changes may be distributed with this exception intact. + + If you write modifications of your own for SANE, it is your choice + whether to permit this exception to apply to your modifications. + If you do not wish that, delete this exception notice. +*/ + +#define DEBUG_DECLARE_ONLY + +#include "usb_device.h" + +namespace genesys { + +IUsbDevice::~IUsbDevice() = default; + +UsbDevice::~UsbDevice() +{ + if (is_open()) { + DBG(DBG_error, "UsbDevice not closed; closing automatically"); + close(); + } +} + +void UsbDevice::open(const char* dev_name) +{ + DBG_HELPER(dbg); + + if (is_open()) { + throw SaneException("device already open"); + } + int device_num = 0; + + dbg.status("open device"); + TIE(sanei_usb_open(dev_name, &device_num)); + + name_ = dev_name; + device_num_ = device_num; + is_open_ = true; +} + +void UsbDevice::clear_halt() +{ + DBG_HELPER(dbg); + assert_is_open(); + TIE(sanei_usb_clear_halt(device_num_)); +} + +void UsbDevice::reset() +{ + DBG_HELPER(dbg); + assert_is_open(); + TIE(sanei_usb_reset(device_num_)); +} + +void UsbDevice::close() +{ + DBG_HELPER(dbg); + assert_is_open(); + + // we can't do much if closing fails, so we close the device on our side regardless of the + // function succeeds + int device_num = device_num_; + + set_not_open(); + sanei_usb_close(device_num); +} + +void UsbDevice::get_vendor_product(int& vendor, int& product) +{ + DBG_HELPER(dbg); + assert_is_open(); + TIE(sanei_usb_get_vendor_product(device_num_, &vendor, &product)); +} + +void UsbDevice::control_msg(int rtype, int reg, int value, int index, int length, + std::uint8_t* data) +{ + DBG_HELPER(dbg); + assert_is_open(); + TIE(sanei_usb_control_msg(device_num_, rtype, reg, value, index, length, data)); +} + +void UsbDevice::bulk_read(std::uint8_t* buffer, std::size_t* size) +{ + DBG_HELPER(dbg); + assert_is_open(); + TIE(sanei_usb_read_bulk(device_num_, buffer, size)); +} + +void UsbDevice::bulk_write(const std::uint8_t* buffer, std::size_t* size) +{ + DBG_HELPER(dbg); + assert_is_open(); + TIE(sanei_usb_write_bulk(device_num_, buffer, size)); +} + +void UsbDevice::assert_is_open() const +{ + if (!is_open()) { + throw SaneException("device not open"); + } +} + +void UsbDevice::set_not_open() +{ + device_num_ = 0; + is_open_ = false; + name_ = ""; +} + +} // namespace genesys -- cgit v1.2.3