kopia lustrzana https://github.com/OpenRTX/OpenRTX
81 wiersze
2.7 KiB
C
81 wiersze
2.7 KiB
C
/***************************************************************************
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* Copyright (C) 2020 - 2023 by Federico Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Silvano Seva IU2KWO *
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* *
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* This program 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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* *
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* This program 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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* *
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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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* Testing module for SDL-based display driver, serves both to check that
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* everything is fine and as a simple example on how to use both the driver and
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* the SDL platform.
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*
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* To adjust screen dimensions you have to adjust the corresponding constants in
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* the driver source file.
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*/
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#include <interfaces/display.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <SDL2/SDL.h>
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#undef main //necessary to avoid conflicts with SDL_main
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void drawRect(int x, int y, int width, int height, uint16_t color)
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{
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int x_max = x + width;
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int y_max = y + height;
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uint16_t *buf = (uint16_t *)(display_getFrameBuffer());
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for(int i=y; i < y_max; i++)
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{
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for(int j=x; j < x_max; j++)
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{
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buf[j + i * SCREEN_WIDTH] = color;
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}
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}
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}
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int main()
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{
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display_init();
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/* Horizontal red line */
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drawRect(0, 10, SCREEN_WIDTH, 20, 0xF800);
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/* Vertical blue line */
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drawRect(10, 0, 20, SCREEN_HEIGHT, 0x001F);
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/* Vertical green line */
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drawRect(80, 0, 20, SCREEN_HEIGHT, 0x07e0);
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/*
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* Use SDL event listener to check if window close button has been pressed,
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* in this case quit.
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*/
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SDL_Event eventListener;
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while(1)
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{
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display_render();
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SDL_PollEvent(&eventListener);
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if(eventListener.type == SDL_QUIT) break;
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}
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display_terminate();
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return 0;
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}
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