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pos printer introduced

allow_new_sellers
Martin Brodbeck 3 years ago
parent
commit
76d6c7c069
  1. 98
      cmake/FindLibUSB.cmake
  2. 1
      src/CMakeLists.txt
  3. 9
      src/printer/CMakeLists.txt
  4. 54
      src/printer/posprinter.cpp
  5. 22
      src/printer/posprinter.h

98
cmake/FindLibUSB.cmake

@ -0,0 +1,98 @@
# - Try to find libusb-1.0
# Once done this will define
#
# LIBUSB_1_FOUND - system has libusb
# LIBUSB_1_INCLUDE_DIRS - the libusb include directory
# LIBUSB_1_LIBRARIES - Link these to use libusb
# LIBUSB_1_DEFINITIONS - Compiler switches required for using libusb
#
# Adapted from cmake-modules Google Code project
#
# Copyright (c) 2006 Andreas Schneider <mail@cynapses.org>
#
# (Changes for libusb) Copyright (c) 2008 Kyle Machulis <kyle@nonpolynomial.com>
#
# Redistribution and use is allowed according to the terms of the New BSD license.
#
# CMake-Modules Project New BSD License
#
# 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 CMake-Modules Project 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 OWNER 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.
#
if (LIBUSB_1_LIBRARIES AND LIBUSB_1_INCLUDE_DIRS)
# in cache already
set(LIBUSB_FOUND TRUE)
else (LIBUSB_1_LIBRARIES AND LIBUSB_1_INCLUDE_DIRS)
find_path(LIBUSB_1_INCLUDE_DIR
NAMES
libusb.h
PATHS
/usr/include
/usr/local/include
/opt/local/include
/sw/include
PATH_SUFFIXES
libusb-1.0
)
find_library(LIBUSB_1_LIBRARY
NAMES
usb-1.0 usb
PATHS
/usr/lib
/usr/local/lib
/opt/local/lib
/sw/lib
)
set(LIBUSB_1_INCLUDE_DIRS
${LIBUSB_1_INCLUDE_DIR}
)
set(LIBUSB_1_LIBRARIES
${LIBUSB_1_LIBRARY}
)
if (LIBUSB_1_INCLUDE_DIRS AND LIBUSB_1_LIBRARIES)
set(LIBUSB_1_FOUND TRUE)
endif (LIBUSB_1_INCLUDE_DIRS AND LIBUSB_1_LIBRARIES)
if (LIBUSB_1_FOUND)
if (NOT libusb_1_FIND_QUIETLY)
message(STATUS "Found libusb-1.0:")
message(STATUS " - Includes: ${LIBUSB_1_INCLUDE_DIRS}")
message(STATUS " - Libraries: ${LIBUSB_1_LIBRARIES}")
endif (NOT libusb_1_FIND_QUIETLY)
else (LIBUSB_1_FOUND)
if (libusb_1_FIND_REQUIRED)
message(FATAL_ERROR "Could not find libusb")
endif (libusb_1_FIND_REQUIRED)
endif (LIBUSB_1_FOUND)
# show the LIBUSB_1_INCLUDE_DIRS and LIBUSB_1_LIBRARIES variables only in the advanced view
mark_as_advanced(LIBUSB_1_INCLUDE_DIRS LIBUSB_1_LIBRARIES)
endif (LIBUSB_1_LIBRARIES AND LIBUSB_1_INCLUDE_DIRS)

1
src/CMakeLists.txt

@ -1,2 +1,3 @@
add_subdirectory("core")
add_subdirectory("printer")
add_subdirectory("gui")

9
src/printer/CMakeLists.txt

@ -0,0 +1,9 @@
find_package(LibUSB REQUIRED)
set(PRINTER_SOURCES
posprinter.cpp
)
add_library(printer STATIC ${PRINTER_SOURCES})
target_link_libraries(printer ${LibUSB_LIBRARY})
target_include_directories(printer PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})

54
src/printer/posprinter.cpp

@ -0,0 +1,54 @@
#include "posprinter.h"
#include <exception>
#include <iostream>
#include <string>
PosPrinter::PosPrinter() : PosPrinter(std::pair<int, int>{0x0456, 0x0808}) {}
PosPrinter::PosPrinter(std::pair<int, int> vendorModelId)
{
int retValue;
retValue = libusb_init(&contextPtr_);
if (retValue < 0) {
throw std::runtime_error("Init error");
}
// libusb_set_debug(contextPtr_, 3); // set verbosity level to 3, as suggested in the
// documentation
devicePtr_ =
libusb_open_device_with_vid_pid(contextPtr_, vendorModelId.first,
vendorModelId.second); // these are vendorID and productID
if (devicePtr_ == NULL) {
throw std::runtime_error("Cannot open printer device");
}
// ...
}
PosPrinter::~PosPrinter()
{
int retValue;
retValue = libusb_release_interface(devicePtr_, 0); // release the claimed interface
if (retValue != 0) {
std::cout << "Cannot Release Interface" << std::endl;
} else {
std::cout << "Released Interface" << std::endl;
}
libusb_close(devicePtr_); // close the device we opened
libusb_exit(contextPtr_); // close the session
delete instance_;
}
void PosPrinter::initialize(std::pair<int, int> vendorModelId)
{
if (!instance_) {
instance_ = new PosPrinter(vendorModelId);
}
}
PosPrinter* PosPrinter::getInstance() { return instance_; }

22
src/printer/posprinter.h

@ -0,0 +1,22 @@
#ifndef POS_PRINTER_H
#define POS_PRINTER_H
#include <memory>
#include <libusb-1.0/libusb.h>
class PosPrinter
{
public:
static void initialize(std::pair<int, int> vendorModelIds);
static PosPrinter* getInstance();
private:
PosPrinter();
PosPrinter(std::pair<int, int> vendorModelId);
~PosPrinter();
static PosPrinter* instance_;
libusb_context* contextPtr_{};
libusb_device_handle* devicePtr_{};
};
#endif
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