237 lines
7.0 KiB
C
237 lines
7.0 KiB
C
/*
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ChibiOS/GFX - Copyright (C) 2012
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS/GFX.
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ChibiOS/GFX is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/GFX is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file include/gdisp/options.h
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* @brief GDISP sub-system options header file.
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*
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* @addtogroup GDISP
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* @{
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*/
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#ifndef _GDISP_OPTIONS_H
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#define _GDISP_OPTIONS_H
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/**
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* @name GDISP Functionality to be included
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* @{
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*/
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/**
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* @brief Should all operations be clipped to the screen and colors validated.
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* @details Defaults to TRUE.
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* @note If this is FALSE, any operations that extend beyond the
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* edge of the screen will have undefined results. Any
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* out-of-range colors will produce undefined results.
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* @note If defined then all low level and high level GDISP driver routines
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* must check the validity of inputs and do something sensible
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* if they are out of range. It doesn't have to be efficient,
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* just valid.
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*/
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#ifndef GDISP_NEED_VALIDATION
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#define GDISP_NEED_VALIDATION TRUE
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#endif
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/**
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* @brief Are clipping functions needed.
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* @details Defaults to TRUE
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*/
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#ifndef GDISP_NEED_CLIP
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#define GDISP_NEED_CLIP TRUE
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#endif
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/**
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* @brief Are text functions needed.
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* @details Defaults to TRUE
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*/
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#ifndef GDISP_NEED_TEXT
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#define GDISP_NEED_TEXT TRUE
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#endif
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/**
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* @brief Are circle functions needed.
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* @details Defaults to TRUE
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*/
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#ifndef GDISP_NEED_CIRCLE
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#define GDISP_NEED_CIRCLE TRUE
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#endif
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/**
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* @brief Are ellipse functions needed.
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* @details Defaults to TRUE
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*/
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#ifndef GDISP_NEED_ELLIPSE
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#define GDISP_NEED_ELLIPSE TRUE
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#endif
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/**
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* @brief Are arc functions needed.
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* @details Defaults to FALSE
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* @note Requires the maths library to be included in the link. ie -lm
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*/
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#ifndef GDISP_NEED_ARC
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#define GDISP_NEED_ARC FALSE
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#endif
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/**
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* @brief Are scrolling functions needed.
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* @details Defaults to FALSE
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* @note This function must be supported by the low level GDISP driver
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* you have included in your project. If it isn't, defining this
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* option will cause a compile error.
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*/
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#ifndef GDISP_NEED_SCROLL
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#define GDISP_NEED_SCROLL FALSE
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#endif
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/**
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* @brief Is the capability to read pixels back needed.
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* @details Defaults to FALSE
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* @note This function must be supported by the low level GDISP driver
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* you have included in your project. If it isn't, defining this
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* option will cause a compile error.
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*/
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#ifndef GDISP_NEED_PIXELREAD
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#define GDISP_NEED_PIXELREAD FALSE
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#endif
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/**
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* @brief Control some aspect of the hardware operation.
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* @details Defaults to FALSE
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* @note This allows control of hardware specific features such as
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* screen rotation, backlight levels, contrast etc
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*/
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#ifndef GDISP_NEED_CONTROL
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#define GDISP_NEED_CONTROL FALSE
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#endif
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/**
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* @brief Is the messaging api interface required.
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_NEED_MSGAPI
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#define GDISP_NEED_MSGAPI FALSE
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#endif
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/**
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* @}
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*
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* @name GDISP Multi-Threading Options
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* @{
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*/
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/**
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* @brief Do the drawing functions need to be thread-safe.
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* @details Defaults to FALSE
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* @note Both GDISP_NEED_MULTITHREAD and GDISP_NEED_ASYNC make
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* the gdisp API thread-safe.
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* @note This is more efficient than GDISP_NEED_ASYNC as it only
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* requires a context switch if something else is already
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* drawing.
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*/
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#ifndef GDISP_NEED_MULTITHREAD
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#define GDISP_NEED_MULTITHREAD FALSE
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#endif
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/**
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* @brief Use asynchronous calls (multi-thread safe).
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* @details Defaults to FALSE
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* @note Both GDISP_NEED_MULTITHREAD and GDISP_NEED_ASYNC make
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* the gdisp API thread-safe.
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* @note Turning this on adds two context switches per transaction
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* so it can significantly slow graphics drawing but it allows
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* drawing operations to continue in the background.
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*/
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#ifndef GDISP_NEED_ASYNC
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#define GDISP_NEED_ASYNC FALSE
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#endif
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/**
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* @}
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*
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* @name GDISP Fonts
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* @{
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*/
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/**
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* @brief Include the old global font variable definitions
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_OLD_FONT_DEFINITIONS
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#define GDISP_OLD_FONT_DEFINITIONS FALSE
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#endif
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/**
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* @brief Predefined built in fonts
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* @note Turning off the ones you are not using can save program size.
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*/
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#ifndef GDISP_INCLUDE_FONT_SMALL
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#define GDISP_INCLUDE_FONT_SMALL TRUE
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#endif
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#ifndef GDISP_INCLUDE_FONT_LARGER
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#define GDISP_INCLUDE_FONT_LARGER TRUE
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#endif
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#ifndef GDISP_INCLUDE_FONT_UI1
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#define GDISP_INCLUDE_FONT_UI1 TRUE
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#endif
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#ifndef GDISP_INCLUDE_FONT_UI2
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#define GDISP_INCLUDE_FONT_UI2 TRUE
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#endif
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#ifndef GDISP_INCLUDE_FONT_LARGENUMBERS
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#define GDISP_INCLUDE_FONT_LARGENUMBERS TRUE
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#endif
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/**
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* @}
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*
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* @name GDISP Optional Sizing Parameters
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* @{
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*/
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/**
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* @brief The maximum height of a font.
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* @details Either 16 or 32. Defaults to 16
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* @note Setting this to 32 causes the font tables to take
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* twice the internal program memory. Don't do it unless
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* you realy must define an unscaled font larger than 16 bits high.
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*/
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#ifndef GDISP_MAX_FONT_HEIGHT
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#define GDISP_MAX_FONT_HEIGHT 16
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#endif
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/**
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* @}
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*
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* @name GDISP Optional Low Level Driver Defines
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* @{
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*/
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/**
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* @brief Use a custom board definition even if a board definition exists.
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* @details Defaults to FALSE
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* @details If TRUE, add gdisp_lld_board.h to your project directory and customise it.
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* @note Not all GDISP low level drivers currently use board definition files.
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*/
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#ifndef GDISP_USE_CUSTOM_BOARD
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#define GDISP_USE_CUSTOM_BOARD FALSE
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#endif
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/**
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* @brief Set the screen height and width.
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* @note Ignored by some low level GDISP drivers, optional for others.
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* @note Where these values are allowed, a default is always provided be the low level driver.
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* @note The list of GDISP low level drivers that allow these to be set are...
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* WIN32, SSD1289, SSD1963, TestStub
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*/
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/* #define GDISP_SCREEN_WIDTH nnnn */
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/* #define GDISP_SCREEN_HEIGHT nnnn */
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/**
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* @brief Define which bus interface to use.
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* @details Only required by the SSD1963 driver.
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* @note This will be replaced eventually by board definition files
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*/
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/* #define GDISP_USE_FSMC */
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/* #define GDISP_USE_GPIO */
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/** @} */
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#endif /* _GDISP_OPTIONS_H */
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/** @} */
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