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authorJörg Frings-Fürst <debian@jff-webhosting.net>2020-02-02 17:13:01 +0100
committerJörg Frings-Fürst <debian@jff-webhosting.net>2020-02-02 17:13:01 +0100
commitffa8801644a7d53cc1c785e3450f794c07a14eb0 (patch)
tree8d72a18a9a08b9151d12badcb1c78ce06a059f62 /backend/genesys/usb_device.cpp
parent1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (diff)
New upstream version 1.0.29upstream/1.0.29
Diffstat (limited to 'backend/genesys/usb_device.cpp')
-rw-r--r--backend/genesys/usb_device.cpp147
1 files changed, 147 insertions, 0 deletions
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 <povilas@radix.lt>
+
+ 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