600 lines
20 KiB
C
600 lines
20 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2012
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS-LCD-Driver.
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ChibiOS-LCD-Driver 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-LCD-Driver 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 gdisp_lld.h
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* @brief GDISP Graphic Driver subsystem low level driver header.
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*
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* @addtogroup GDISP
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* @{
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*/
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#ifndef _GDISP_LLD_H
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#define _GDISP_LLD_H
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#if HAL_USE_GDISP || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Low level driver configuration needs */
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/*===========================================================================*/
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/**
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* @name GDISP low level driver more complex functionality to be compiled
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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 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 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 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 Is scrolling needed.
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* @details Defaults to FALSE
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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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*/
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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 drivers operation.
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* @details Defaults to FALSE
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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 Query some aspect of the drivers operation.
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* @details Defaults to TRUE
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*/
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#ifndef GDISP_NEED_QUERY
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#define GDISP_NEED_QUERY TRUE
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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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/* Include the low level driver configuration information */
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/*===========================================================================*/
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#include "gdisp_lld_config.h"
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/*===========================================================================*/
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/* Constants. */
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/*===========================================================================*/
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/**
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* @brief Driver Control Constants
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* @detail Unsupported control codes are ignored.
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* @note The value parameter should always be typecast to (void *).
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* @note There are some predefined and some specific to the low level driver.
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* @note GDISP_CONTROL_POWER - Takes a gdisp_powermode_t
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* GDISP_CONTROL_ORIENTATION - Takes a gdisp_orientation_t
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* GDISP_CONTROL_BACKLIGHT - Takes an int from 0 to 100. For a driver
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* that only supports off/on anything other
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* than zero is on.
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* GDISP_CONTROL_CONTRAST - Takes an int from 0 to 100.
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* GDISP_CONTROL_LLD - Low level driver control constants start at
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* this value.
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*/
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#define GDISP_CONTROL_POWER 0
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#define GDISP_CONTROL_ORIENTATION 1
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#define GDISP_CONTROL_BACKLIGHT 2
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#define GDISP_CONTROL_CONTRAST 3
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#define GDISP_CONTROL_LLD 1000
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/**
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* @brief Driver Query Constants
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* @detail Unsupported query codes return (void *)-1.
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* @note There are some predefined and some specific to the low level driver.
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* @note The result should be typecast the required type.
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* @note GDISP_QUERY_WIDTH - Gets the width of the screen
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* GDISP_QUERY_HEIGHT - Gets the height of the screen
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* GDISP_QUERY_POWER - Get the current powermode
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* GDISP_QUERY_ORIENTATION - Get the current orientation
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* GDISP_QUERY_BACKLIGHT - Get the backlight state (0 to 100)
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* GDISP_QUERY_CONTRAST - Get the contrast.
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* GDISP_QUERY_LLD - Low level driver control constants start at
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* this value.
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*/
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#define GDISP_QUERY_WIDTH 0
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#define GDISP_QUERY_HEIGHT 1
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#define GDISP_QUERY_POWER 2
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#define GDISP_QUERY_ORIENTATION 3
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#define GDISP_QUERY_BACKLIGHT 4
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#define GDISP_QUERY_CONTRAST 5
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#define GDISP_QUERY_LLD 1000
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/**
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* @brief Driver Pixel Format Constants
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*/
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#define GDISP_PIXELFORMAT_RGB565 565
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#define GDISP_PIXELFORMAT_RGB888 888
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#define GDISP_PIXELFORMAT_RGB444 444
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#define GDISP_PIXELFORMAT_RGB332 332
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#define GDISP_PIXELFORMAT_RGB666 666
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#define GDISP_PIXELFORMAT_CUSTOM 99999
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#define GDISP_PIXELFORMAT_ERROR 88888
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/*===========================================================================*/
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/* Error checks. */
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/*===========================================================================*/
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/**
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* @name GDISP hardware accelerated support
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* @{
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*/
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/**
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* @brief Hardware accelerated line drawing.
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* @details If set to @p FALSE software emulation is used.
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*/
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#ifndef GDISP_HARDWARE_LINES
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#define GDISP_HARDWARE_LINES FALSE
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#endif
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/**
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* @brief Hardware accelerated screen clears.
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* @details If set to @p FALSE software emulation is used.
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*/
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#ifndef GDISP_HARDWARE_CLEARS
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#define GDISP_HARDWARE_CLEARS FALSE
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#endif
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/**
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* @brief Hardware accelerated rectangular fills.
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* @details If set to @p FALSE software emulation is used.
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*/
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#ifndef GDISP_HARDWARE_FILLS
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#define GDISP_HARDWARE_FILLS FALSE
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#endif
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/**
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* @brief Hardware accelerated fills from an image.
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* @details If set to @p FALSE software emulation is used.
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*/
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#ifndef GDISP_HARDWARE_BITFILLS
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#define GDISP_HARDWARE_BITFILLS FALSE
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#endif
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/**
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* @brief Hardware accelerated circles.
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* @details If set to @p FALSE software emulation is used.
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*/
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#ifndef GDISP_HARDWARE_CIRCLES
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#define GDISP_HARDWARE_CIRCLES FALSE
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#endif
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/**
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* @brief Hardware accelerated filled circles.
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* @details If set to @p FALSE software emulation is used.
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*/
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#ifndef GDISP_HARDWARE_CIRCLEFILLS
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#define GDISP_HARDWARE_CIRCLEFILLS FALSE
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#endif
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/**
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* @brief Hardware accelerated ellipses.
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* @details If set to @p FALSE software emulation is used.
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*/
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#ifndef GDISP_HARDWARE_ELLIPSES
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#define GDISP_HARDWARE_ELLIPSES FALSE
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#endif
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/**
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* @brief Hardware accelerated filled ellipses.
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* @details If set to @p FALSE software emulation is used.
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*/
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#ifndef GDISP_HARDWARE_ELLIPSEFILLS
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#define GDISP_HARDWARE_ELLIPSEFILLS FALSE
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#endif
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/**
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* @brief Hardware accelerated text drawing.
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* @details If set to @p FALSE software emulation is used.
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*/
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#ifndef GDISP_HARDWARE_TEXT
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#define GDISP_HARDWARE_TEXT FALSE
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#endif
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/**
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* @brief Hardware accelerated text drawing with a filled background.
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* @details If set to @p FALSE software emulation is used.
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*/
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#ifndef GDISP_HARDWARE_TEXTFILLS
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#define GDISP_HARDWARE_TEXTFILLS FALSE
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#endif
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/**
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* @brief Hardware accelerated scrolling.
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* @details If set to @p FALSE there is no support for scrolling.
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*/
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#ifndef GDISP_HARDWARE_SCROLL
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#define GDISP_HARDWARE_SCROLL FALSE
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#endif
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/**
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* @brief Reading back of pixel values.
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* @details If set to @p FALSE there is no support for pixel read-back.
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*/
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#ifndef GDISP_HARDWARE_PIXELREAD
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#define GDISP_HARDWARE_PIXELREAD FALSE
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#endif
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/**
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* @brief The driver supports one or more control commands.
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* @details If set to @p FALSE there is no support for control commands.
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*/
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#ifndef GDISP_HARDWARE_CONTROL
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#define GDISP_HARDWARE_CONTROL FALSE
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#endif
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/**
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* @brief The driver supports a non-standard query.
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* @details If set to @p FALSE there is no support for non-standard queries.
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*/
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#ifndef GDISP_HARDWARE_QUERY
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#define GDISP_HARDWARE_QUERY FALSE
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#endif
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/** @} */
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/**
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* @name GDISP software algorithm choices
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* @{
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*/
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/**
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* @brief For filled text drawing, use a background fill and then draw
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* the text instead of using a blit or direct pixel drawing.
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* @details If set to @p TRUE background fill and then text draw is used.
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* @note This is ignored if hardware accelerated text is supported.
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*/
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#ifndef GDISP_SOFTWARE_TEXTFILLDRAW
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#define GDISP_SOFTWARE_TEXTFILLDRAW FALSE
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#endif
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/**
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* @brief For filled text drawing, when using a bitmap blit
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* use a column by column buffer rather than a full character
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* buffer to save memory at a small performance cost.
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* @details If set to @p TRUE background fill one character column at a time.
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* @note This is ignored if software text using blit is not being used.
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*/
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#ifndef GDISP_SOFTWARE_TEXTBLITCOLUMN
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#define GDISP_SOFTWARE_TEXTBLITCOLUMN FALSE
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#endif
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/** @} */
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/**
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* @name GDISP pixel format choices
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* @{
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*/
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/**
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* @brief The native pixel format for this device
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* @note Should be set to one of the following:
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* GDISP_PIXELFORMAT_RGB565
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* GDISP_PIXELFORMAT_RGB888
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* GDISP_PIXELFORMAT_RGB444
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* GDISP_PIXELFORMAT_RGB332
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* GDISP_PIXELFORMAT_RGB666
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* GDISP_PIXELFORMAT_CUSTOM
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* @note If you set GDISP_PIXELFORMAT_CUSTOM you need to also define
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* color_t, RGB2COLOR(r,g,b), HTML2COLOR(h),
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* RED_OF(c), GREEN_OF(c), BLUE_OF(c),
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* COLOR(c) and MASKCOLOR.
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*/
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#ifndef GDISP_PIXELFORMAT
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#define GDISP_PIXELFORMAT GDISP_PIXELFORMAT_ERROR
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#endif
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/**
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* @brief Do pixels require packing for a blit
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* @note Is only valid for a pixel format that doesn't fill it's datatype. ie formats:
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* GDISP_PIXELFORMAT_RGB888
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* GDISP_PIXELFORMAT_RGB444
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* GDISP_PIXELFORMAT_RGB666
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* GDISP_PIXELFORMAT_CUSTOM
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* @note If you use GDISP_PIXELFORMAT_CUSTOM and packed bit fills
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* you need to also define @P gdispPackPixels(buf,cx,x,y,c)
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* @note If you are using GDISP_HARDWARE_BITFILLS = FALSE then the pixel
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* format must not be a packed format as the software blit does
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* not support packed pixels
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* @note Very few cases should actually require packed pixels as the low
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* level driver can also pack on the fly as it is sending it
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* to the graphics device.
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*/
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#ifndef GDISP_PACKED_PIXELS
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#define GDISP_PACKED_PIXELS FALSE
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#endif
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/**
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* @brief Do lines of pixels require packing for a blit
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* @note Ignored if GDISP_PACKED_PIXELS is FALSE
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*/
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#ifndef GDISP_PACKED_LINES
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#define GDISP_PACKED_LINES FALSE
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#endif
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/** @} */
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/*===========================================================================*/
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/* Define the macro's for the various pixel formats */
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/*===========================================================================*/
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#if defined(__DOXYGEN__)
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/**
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* @brief The color of a pixel.
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*/
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typedef uint16_t color_t;
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/**
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* @brief Convert a number (of any type) to a color_t.
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* @details Masks any invalid bits in the color
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*/
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#define COLOR(c) ((color_t)(c))
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/**
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* @brief Does the color_t type contain invalid bits that need masking.
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*/
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#define MASKCOLOR FALSE
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/**
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* @brief Convert red, green, blue (each 0 to 255) into a color value.
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*/
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#define RGB2COLOR(r,g,b) ((color_t)((((r) & 0xF8)<<8) | (((g) & 0xFC)<<3) | (((b) & 0xF8)>>3)))
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/**
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* @brief Convert a 6 digit HTML code (hex) into a color value.
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*/
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#define HTML2COLOR(h) ((color_t)((((h) & 0xF80000)>>8) | (((h) & 0x00FC00)>>5) | (((h) & 0x0000F8)>>3)))
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/**
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* @brief Extract the red component (0 to 255) of a color value.
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*/
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#define RED_OF(c) (((c) & 0xF800)>>8)
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/**
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* @brief Extract the green component (0 to 255) of a color value.
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*/
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#define GREEN_OF(c) (((c)&0x007E)>>3)
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/**
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* @brief Extract the blue component (0 to 255) of a color value.
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*/
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#define BLUE_OF(c) (((c)&0x001F)<<3)
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#elif GDISP_PIXELFORMAT == GDISP_PIXELFORMAT_RGB565
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typedef uint16_t color_t;
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#define COLOR(c) ((color_t)(c))
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#define MASKCOLOR FALSE
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#define RGB2COLOR(r,g,b) ((color_t)((((r) & 0xF8)<<8) | (((g) & 0xFC)<<3) | (((b) & 0xF8)>>3)))
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#define HTML2COLOR(h) ((color_t)((((h) & 0xF80000)>>8) | (((h) & 0x00FC00)>>5) | (((h) & 0x0000F8)>>3)))
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#define RED_OF(c) (((c) & 0xF800)>>8)
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#define GREEN_OF(c) (((c)&0x007E)>>3)
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#define BLUE_OF(c) (((c)&0x001F)<<3)
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#define RGB565CONVERT(red, green, blue) (uint16_t)( (( red >> 3 ) << 11 ) | (( green >> 2 ) << 5 ) | ( blue >> 3 ))
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#elif GDISP_PIXELFORMAT == GDISP_PIXELFORMAT_RGB888
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typedef uint32_t color_t;
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#define COLOR(c) ((color_t)(((c) & 0xFFFFFF)))
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#define MASKCOLOR TRUE
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#define RGB2COLOR(r,g,b) ((color_t)((((r) & 0xFF)<<16) | (((g) & 0xFF) << 8) | ((b) & 0xFF)))
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#define HTML2COLOR(h) ((color_t)(h))
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#define RED_OF(c) (((c) & 0xFF0000)>>16)
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#define GREEN_OF(c) (((c)&0x00FF00)>>8)
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#define BLUE_OF(c) ((c)&0x0000FF)
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#elif GDISP_PIXELFORMAT == GDISP_PIXELFORMAT_RGB444
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typedef uint16_t color_t;
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#define COLOR(c) ((color_t)(((c) & 0x0FFF)))
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#define MASKCOLOR TRUE
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#define RGB2COLOR(r,g,b) ((color_t)((((r) & 0xF0)<<4) | ((g) & 0xF0) | (((b) & 0xF0)>>4)))
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#define HTML2COLOR(h) ((color_t)((((h) & 0xF00000)>>12) | (((h) & 0x00F000)>>8) | (((h) & 0x0000F0)>>4)))
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#define RED_OF(c) (((c) & 0x0F00)>>4)
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#define GREEN_OF(c) ((c)&0x00F0)
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#define BLUE_OF(c) (((c)&0x000F)<<4)
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#elif GDISP_PIXELFORMAT == GDISP_PIXELFORMAT_RGB332
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typedef uint8_t color_t;
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#define COLOR(c) ((color_t)(c))
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#define MASKCOLOR FALSE
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#define RGB2COLOR(r,g,b) ((color_t)(((r) & 0xE0) | (((g) & 0xE0)>>3) | (((b) & 0xC0)>>6)))
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#define HTML2COLOR(h) ((color_t)((((h) & 0xE00000)>>16) | (((h) & 0x00E000)>>11) | (((h) & 0x0000C0)>>6)))
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#define RED_OF(c) ((c) & 0xE0)
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#define GREEN_OF(c) (((c)&0x1C)<<3)
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#define BLUE_OF(c) (((c)&0x03)<<6)
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#elif GDISP_PIXELFORMAT == GDISP_PIXELFORMAT_RGB666
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typedef uint32_t color_t;
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#define COLOR(c) ((color_t)(((c) & 0x03FFFF)))
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#define MASKCOLOR TRUE
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#define RGB2COLOR(r,g,b) ((color_t)((((r) & 0xFC)<<10) | (((g) & 0xFC)<<4) | (((b) & 0xFC)>>2)))
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#define HTML2COLOR(h) ((color_t)((((h) & 0xFC0000)>>6) | (((h) & 0x00FC00)>>4) | (((h) & 0x0000FC)>>2)))
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#define RED_OF(c) (((c) & 0x03F000)>>12)
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#define GREEN_OF(c) (((c)&0x00FC00)>>8)
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#define BLUE_OF(c) (((c)&0x00003F)<<2)
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#elif GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_CUSTOM
|
|
#error "GDISP: No supported pixel format has been specified."
|
|
#endif
|
|
|
|
/* Verify information for packed pixels and define a non-packed pixel macro */
|
|
#if !GDISP_PACKED_PIXELS
|
|
#define gdispPackPixels(buf,cx,x,y,c) { ((color_t *)(buf))[(y)*(cx)+(x)] = (c); }
|
|
#elif !GDISP_HARDWARE_BITFILLS
|
|
#error "GDISP: packed pixel formats are only supported for hardware accelerated drivers."
|
|
#elif GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_RGB888 \
|
|
&& GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_RGB444 \
|
|
&& GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_RGB666 \
|
|
&& GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_CUSTOM
|
|
#error "GDISP: A packed pixel format has been specified for an unsupported pixel format."
|
|
#endif
|
|
|
|
#if GDISP_NEED_SCROLL && !GDISP_HARDWARE_SCROLL
|
|
#error "GDISP: Hardware scrolling is wanted but not supported."
|
|
#endif
|
|
|
|
#if GDISP_NEED_PIXELREAD && !GDISP_HARDWARE_PIXELREAD
|
|
#error "GDISP: Pixel read-back is wanted but not supported."
|
|
#endif
|
|
|
|
/*===========================================================================*/
|
|
/* Driver types. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief The type for a coordinate or length on the screen.
|
|
*/
|
|
typedef uint16_t coord_t;
|
|
/**
|
|
* @brief The type of a pixel.
|
|
*/
|
|
typedef color_t pixel_t;
|
|
/**
|
|
* @brief The type of a font.
|
|
*/
|
|
typedef const struct font *font_t;
|
|
/**
|
|
* @brief Type for the screen orientation.
|
|
*/
|
|
typedef enum orientation {portrait, landscape, portraitInv, landscapeInv} gdisp_orientation_t;
|
|
/**
|
|
* @brief Type for the available power modes for the screen.
|
|
*/
|
|
typedef enum powermode {powerOff, powerSleep, powerOn} gdisp_powermode_t;
|
|
|
|
/*===========================================================================*/
|
|
/* External declarations. */
|
|
/*===========================================================================*/
|
|
|
|
#ifndef GDISP_LLD_VMT
|
|
/* Special magic stuff for the VMT driver */
|
|
#define GDISP_LLD_VMT(x) GDISP_LLD(x)
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Core functions */
|
|
extern bool_t GDISP_LLD(init)(void);
|
|
|
|
/* Some of these functions will be implemented in software by the high level driver
|
|
depending on the GDISP_HARDWARE_XXX macros defined in gdisp_lld_config.h.
|
|
*/
|
|
|
|
/* Drawing functions */
|
|
extern void GDISP_LLD_VMT(clear)(color_t color);
|
|
extern void GDISP_LLD_VMT(drawpixel)(coord_t x, coord_t y, color_t color);
|
|
extern void GDISP_LLD_VMT(fillarea)(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color);
|
|
extern void GDISP_LLD_VMT(blitarea)(coord_t x, coord_t y, coord_t cx, coord_t cy, const pixel_t *buffer);
|
|
extern void GDISP_LLD_VMT(drawline)(coord_t x0, coord_t y0, coord_t x1, coord_t y1, color_t color);
|
|
|
|
/* Circular Drawing Functions */
|
|
#if GDISP_NEED_CIRCLE
|
|
extern void GDISP_LLD_VMT(drawcircle)(coord_t x, coord_t y, coord_t radius, color_t color);
|
|
extern void GDISP_LLD_VMT(fillcircle)(coord_t x, coord_t y, coord_t radius, color_t color);
|
|
#endif
|
|
|
|
#if GDISP_NEED_ELLIPSE
|
|
extern void GDISP_LLD_VMT(drawellipse)(coord_t x, coord_t y, coord_t a, coord_t b, color_t color);
|
|
extern void GDISP_LLD_VMT(fillellipse)(coord_t x, coord_t y, coord_t a, coord_t b, color_t color);
|
|
#endif
|
|
|
|
/* Text Rendering Functions */
|
|
#if GDISP_NEED_TEXT
|
|
extern void GDISP_LLD_VMT(drawchar)(coord_t x, coord_t y, char c, font_t font, color_t color);
|
|
extern void GDISP_LLD_VMT(fillchar)(coord_t x, coord_t y, char c, font_t font, color_t color, color_t bgcolor);
|
|
#endif
|
|
|
|
/* Pixel readback */
|
|
#if GDISP_NEED_PIXELREAD
|
|
extern color_t GDISP_LLD_VMT(getpixelcolor)(coord_t x, coord_t y);
|
|
#endif
|
|
|
|
/* Scrolling Function - clears the area scrolled out */
|
|
#if GDISP_NEED_SCROLL
|
|
extern void GDISP_LLD_VMT(verticalscroll)(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor);
|
|
#endif
|
|
|
|
/* Set driver specific control */
|
|
#if GDISP_NEED_CONTROL
|
|
extern void GDISP_LLD_VMT(control)(unsigned what, void *value);
|
|
#endif
|
|
|
|
/* Query driver specific data */
|
|
#if GDISP_NEED_QUERY
|
|
extern void *GDISP_LLD_VMT(query)(unsigned what);
|
|
#endif
|
|
|
|
/* Messaging API */
|
|
#if GDISP_NEED_MSGAPI
|
|
#include "gdisp_lld_msgs.h"
|
|
extern void GDISP_LLD(msgdispatch)(gdisp_lld_msg_t *msg);
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* HAL_USE_GDISP */
|
|
|
|
#endif /* _GDISP_LLD_H */
|
|
/** @} */
|