Added cmake and replaced libhid with libhidapi

.gitignore

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+### JetBrains template
+.idea/
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### CMake template
+CMakeLists.txt.user
+CMakeCache.txt
+CMakeFiles
+CMakeScripts
+Testing
+Makefile
+cmake_install.cmake
+install_manifest.txt
+compile_commands.json
+CTestTestfile.cmake
+_deps
+

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.15)
+project(dcled VERSION 3.0)
+
+
+# Config
+set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
+set(CMAKE_CXX_STANDARD 14)
+
+
+# Dependencies
+include(GNUInstallDirs)
+
+find_package(LibHIDAPI REQUIRED)
+include_directories(${LIBHIDAPI_INCLUDE_DIR})
+
+
+# OS Specific Dependencies
+if(APPLE)
+    find_library(CF CoreFoundation)
+    find_library(IOK IOKit AppKit)
+endif()
+
+
+# Check if lib m is required
+include(CheckLibraryExists)
+CHECK_LIBRARY_EXISTS(m sin "" HAVE_LIB_M)
+
+
+# Add definitions
+add_definitions(-DDCLEDVERSION="${PROJECT_VERSION}")
+add_definitions(-DFONTDIR="${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}")
+
+
+# Applications
+add_executable(dcled
+        dcled.c)
+target_link_libraries(dcled ${LIBHIDAPI_LIBRARY})
+if(APPLE)
+    target_link_libraries(dcled "-framework AppKit")
+    target_link_libraries(dcled ${CF} ${IOK})
+endif()
+
+if (HAVE_LIB_M)
+    target_link_libraries(dcled m)
+endif()
+
+
+# Installation information
+install(TARGETS dcled
+        CONFIGURATIONS Release
+        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+install(DIRECTORY ${PROJECT_SOURCE_DIR}/fonts/ DESTINATION ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME})

cmake/FindLibHIDAPI.cmake

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+# FindLibHIDAPI.cmake
+# Once done this will define
+#
+#  LIBHIDAPI_FOUND - System has libserialport
+#  LIBHIDAPI_INCLUDE_DIR - The libserialport include directory
+#  LIBHIDAPI_LIBRARY - The libraries needed to use libserialport
+#  LIBHIDAPI_DEFINITIONS - Compiler switches required for using libserialport
+
+find_package(PkgConfig QUIET)
+if(PkgConfig_FOUND)
+    pkg_check_modules(PC_HIDAPI QUIET hidapi-libusb)
+endif()
+
+# FreeBSD
+FIND_PATH(LIBHIDAPI_INCLUDE_DIR NAMES hidapi.h
+        HINTS
+        ${PC_HIDAPI_INCLUDE_DIRS}
+        /usr
+        /usr/local
+        /opt
+        PATH_SUFFIXES hidapi
+        )
+
+find_library(LIBHIDAPI_LIBRARY NAMES hidapi-libusb hidapi
+        HINTS
+        ${PC_HIDAPI_LIBRARY_DIRS}
+        /usr
+        /usr/local
+        /opt)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibHIDAPI DEFAULT_MSG LIBHIDAPI_LIBRARY LIBHIDAPI_INCLUDE_DIR)
+
+mark_as_advanced(LIBHIDAPI_INCLUDE_DIR LIBHIDAPI_LIBRARY)
+
+if (LIBHIDAPI_FOUND)
+    message(STATUS "found HIDAPI")
+endif ()