# Find TUsb
#
# This module defines
#  TUsb_FOUND
#  TUsb_INCLUDE_DIRS
#  TUsb_LIBRARIES
#
# Copyright (c) 2012 I-maginer
# 
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser 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, or go to
# http://www.gnu.org/copyleft/lesser.txt
#

# On a new cmake run, we do not need to be verbose
IF(TUsb_INCLUDE_DIR AND TUsb_LIBRARY)
	SET(TUsb_FIND_QUIETLY TRUE)
ENDIF()

# If TUSB_ROOT was defined in the environment, use it. Else, search in registry for install path. Registry keys order is important!
IF(NOT TUsb_ROOT)
  IF("$ENV{TUSB_ROOT}" STREQUAL "")
    SET(TUsb_ROOT "$ENV{SCOL_DEPENDENCIES_PATH}/SDK TUSB")
  ELSE()
    SET(TUsb_ROOT $ENV{TUSB_ROOT})
  ENDIF()
ENDIF()

if(TUsb_ROOT)
  SET(TUsb_INCLUDE_SEARCH_DIRS
    ${TUsb_INCLUDE_SEARCH_DIRS}
    ${TUsb_ROOT}
  )
endif()

# log message
IF (NOT TUsb_FIND_QUIETLY)
	MESSAGE(STATUS "Checking for TUsb library")
ENDIF()

# Search for header files
FIND_PATH(TUsb_INCLUDE_DIR TUSB_Controller.tlb
  PATHS ${TUsb_INCLUDE_SEARCH_DIRS})

# Configure libraries
SET(TUsb_INCLUDE_DIRS ${TUsb_INCLUDE_DIR} CACHE STRING "Directory containing TUsb header files")

# Hide those variables in GUI
SET(TUsb_INCLUDE_DIR ${TUsb_INCLUDE_DIR} CACHE INTERNAL "")

IF(TUsb_INCLUDE_DIR)
	SET(TUsb_FOUND TRUE)
ENDIF()

# log find result
IF(TUsb_FOUND)
	IF(NOT TUsb_FIND_QUIETLY)
		MESSAGE(STATUS "  includes: ${TUsb_INCLUDE_DIRS}")
	ENDIF()
ELSE(TUsb_FOUND)
	IF(NOT TUsb_INCLUDE_DIRS)
		MESSAGE(STATUS "TUsb include files could not be found.")
	ENDIF()
ENDIF(TUsb_FOUND)