genesys: Add low level scanner test interface

backend/Makefile.am

@@ -520,6 +520,7 @@ libgenesys_la_SOURCES = genesys/genesys.cpp genesys/genesys.h \
     genesys/tables_motor.cpp \
     genesys/tables_motor_profile.cpp \
     genesys/tables_sensor.cpp \
+    genesys/test_scanner_interface.h genesys/test_scanner_interface.cpp \
     genesys/low.cpp genesys/low.h \
     genesys/utilities.h
 

backend/genesys/test_scanner_interface.cpp

+/* 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 "test_scanner_interface.h"
+#include <cstring>
+
+namespace genesys {
+
+TestScannerInterface::~TestScannerInterface() = default;
+
+bool TestScannerInterface::is_mock() const
+{
+    return true;
+}
+
+std::uint8_t TestScannerInterface::read_register(std::uint16_t address)
+{
+    return cached_regs_.get(address);
+}
+
+void TestScannerInterface::write_register(std::uint16_t address, std::uint8_t value)
+{
+    cached_regs_.update(address, value);
+}
+
+void TestScannerInterface::write_registers(const Genesys_Register_Set& regs)
+{
+    cached_regs_.update(regs);
+}
+
+
+void TestScannerInterface::write_0x8c(std::uint8_t index, std::uint8_t value)
+{
+    (void) index;
+    (void) value;
+}
+
+void TestScannerInterface::bulk_read_data(std::uint8_t addr, std::uint8_t* data, std::size_t size)
+{
+    (void) addr;
+    std::memset(data, 0, size);
+}
+
+void TestScannerInterface::bulk_write_data(std::uint8_t addr, std::uint8_t* data, std::size_t size)
+{
+    (void) addr;
+    (void) data;
+    (void) size;
+}
+
+void TestScannerInterface::write_ahb(std::uint32_t addr, std::uint32_t size, std::uint8_t* data)
+{
+    (void) addr;
+    (void) size;
+    (void) data;
+}
+
+std::uint16_t TestScannerInterface::read_fe_register(std::uint8_t address)
+{
+    return cached_fe_regs_.get(address);
+}
+
+void TestScannerInterface::write_fe_register(std::uint8_t address, std::uint16_t value)
+{
+    cached_fe_regs_.update(address, value);
+}
+
+} // namespace genesys

backend/genesys/test_scanner_interface.h

+/* 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.
+*/
+
+#ifndef BACKEND_GENESYS_TEST_SCANNER_INTERFACE_H
+#define BACKEND_GENESYS_TEST_SCANNER_INTERFACE_H
+
+#include "scanner_interface.h"
+#include "register_cache.h"
+
+namespace genesys {
+
+class TestScannerInterface : public ScannerInterface
+{
+public:
+    ~TestScannerInterface() override;
+
+    bool is_mock() const override;
+
+    std::uint8_t read_register(std::uint16_t address) override;
+    void write_register(std::uint16_t address, std::uint8_t value) override;
+    void write_registers(const Genesys_Register_Set& regs) override;
+
+    void write_0x8c(std::uint8_t index, std::uint8_t value) override;
+    void bulk_read_data(std::uint8_t addr, std::uint8_t* data, std::size_t size) override;
+    void bulk_write_data(std::uint8_t addr, std::uint8_t* data, std::size_t size) override;
+    void write_ahb(std::uint32_t addr, std::uint32_t size, std::uint8_t* data) override;
+
+    std::uint16_t read_fe_register(std::uint8_t address) override;
+    void write_fe_register(std::uint8_t address, std::uint16_t value) override;
+private:
+    RegisterCache<std::uint8_t> cached_regs_;
+    RegisterCache<std::uint16_t> cached_fe_regs_;
+};
+
+} // namespace genesys
+
+#endif