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/*
* Copyright (c) 2021-2022 Arm Limited. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef GLCD_H
#define GLCD_H
#include <stdint.h>
/******************************************************************************
Color coding
GLCD is coded: 15..11 red, 10..5 green, 4..0 blue (unsigned short)
GLCD_R5, GLCD_G6, GLCD_B5
original coding: 17..12 red, 11..6 green, 5..0 blue
ORG_R6, ORG_G6, ORG_B6
ORG_R1..5 = GLCD_R0..4, ORG_R0 = GLCD_R4
ORG_G0..5 = GLCD_G0..5,
ORG_B1..5 = GLCD_B0..4, ORG_B0 = GLCD_B4
GLCD RGB color definitions
******************************************************************************/
#define Black 0x0000 /* 0, 0, 0 */
#define Navy 0x000F /* 0, 0, 128 */
#define DarkGreen 0x03E0 /* 0, 128, 0 */
#define DarkCyan 0x03EF /* 0, 128, 128 */
#define Maroon 0x7800 /* 128, 0, 0 */
#define Purple 0x780F /* 128, 0, 128 */
#define Olive 0x7BE0 /* 128, 128, 0 */
#define LightGrey 0xC618 /* 192, 192, 192 */
#define DarkGrey 0x7BEF /* 128, 128, 128 */
#define Blue 0x001F /* 0, 0, 255 */
#define Green 0x07E0 /* 0, 255, 0 */
#define Cyan 0x07FF /* 0, 255, 255 */
#define Red 0xF800 /* 255, 0, 0 */
#define Magenta 0xF81F /* 255, 0, 255 */
#define Yellow 0xFFE0 /* 255, 255, 0 */
#define White 0xFFFF /* 255, 255, 255 */
/************************** Orientation configuration ************************/
#ifndef LANDSCAPE
#define LANDSCAPE 1 /* 1 for landscape, 0 for portrait. */
#endif
#ifndef ROTATE180
#define ROTATE180 1 /* 1 to rotate the screen for 180 deg. */
#endif
/*------------------------- Speed dependent settings -------------------------*/
/* If processor works on high frequency delay has to be increased, it can be
increased by factor 2^N by this constant. */
#define DELAY_2N 8
/*---------------------- Graphic LCD size definitions ------------------------*/
#if (LANDSCAPE == 1)
#define GLCD_WIDTH 320 /* Screen Width (in pixels). */
#define GLCD_HEIGHT 240 /* Screen Height (in pixels). */
#else
#define GLCD_WIDTH 240 /* Screen Width (in pixels). */
#define GLCD_HEIGHT 320 /* Screen Height (in pixels). */
#endif
#define BPP 16 /* Bits per pixel. */
#define BYPP ((BPP+7)/8) /* Bytes per pixel. */
/**
* @brief Initialize the Himax LCD with HX8347-D LCD Controller.
*/
void GLCD_Initialize(void);
/**
* @brief Set draw window region to whole screen.
*/
void GLCD_WindowMax(void);
/**
* @brief Set draw window region.
* @param[in] x Horizontal position.
* @param[in] y Vertical position.
* @param[in] w Window width in pixel.
* @param[in] h Window height in pixels.
*/
void GLCD_SetWindow(unsigned int x, unsigned int y,
unsigned int w, unsigned int h);
/**
* @brief Set foreground color.
* @param[in] color Foreground color.
*/
void GLCD_SetTextColor(unsigned short color);
/**
* @brief Set background color.
* @param[in] color Background color.
*/
void GLCD_SetBackColor(unsigned short color);
/**
* @brief Clear display.
* @param[in] color Display clearing color.
*
*/
void GLCD_Clear(unsigned short color);
/**
* @brief Draw character on given position.
* @param[in] x Horizontal position.
* @param[in] y Vertical position.
* @param[in] cw Character width in pixel.
* @param[in] ch Character height in pixels.
* @param[in] c Pointer to character bitmap.
*
*/
void GLCD_DrawChar(unsigned int x, unsigned int y,
unsigned int cw, unsigned int ch,
unsigned char *c);
/**
* @brief Display character on given line.
* @param[in] ln Line number.
* @param[in] col Column number.
* @param[in] fi Font index (0 = 9x15).
* @param[in] c ASCII character.
*/
void GLCD_DisplayChar(unsigned int ln, unsigned int col,
unsigned char fi, unsigned char c);
/**
* @brief Display string on given line.
* @param[in] ln Line number.
* @param[in] col Column number.
* @param[in] fi Font index (0 = 9x15).
* @param[in] s Pointer to string.
*/
void GLCD_DisplayString(unsigned int ln, unsigned int col,
unsigned char fi, char *s);
/**
* @brief Clear given line.
* @param[in] ln: Line number.
* @param[in] fi Font index (0 = 9x15).
*/
void GLCD_ClearLn(unsigned int ln, unsigned char fi);
/**
* @brief Display graphical bitmap image at position x horizontally and y
* vertically. This function is optimized for 16 bits per pixel
* format, it has to be adapted for any other format.
* @param[in] x Horizontal position.
* @param[in] y Vertical position.
* @param[in] w Width of bitmap.
* @param[in] h Height of bitmap.
* @param[in] bitmap Address at which the bitmap data resides.
*/
void GLCD_Bitmap(unsigned int x, unsigned int y,
unsigned int w, unsigned int h,
unsigned short *bitmap);
/**
* @brief Displays an 8 bit image, conversion to the LCD's
* 16 bit codec is done on the fly.
* @param[in] data Pointer to the full sized image data.
* @param[in] width Image width.
* @param[in] height Image height.
* @param[in] channels Number of channels in the image.
* @param[in] pos_x Start x position for the LCD.
* @param[in] pos_y Start y position for the LCD.
* @param[in] downsample_factor Factor by which the image
* is downsampled by.
*/
void GLCD_Image(const void *data, const uint32_t width,
const uint32_t height, const uint32_t channels,
const uint32_t pos_x, const uint32_t pos_y,
const uint32_t downsample_factor);
/**
* @brief Draw box filled with color.
* @param[in] x Horizontal position.
* @param[in] y Vertical position.
* @param[in] w Window width in pixels.
* @param[in] h Window height in pixels.
* @param[in] color Box color.
*/
void GLCD_Box(unsigned int x, unsigned int y,
unsigned int w, unsigned int h,
unsigned short color);
#endif /* GLCD_H */
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