92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2014 Chuck McManis <cmcmanis@mcmanis.com>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser 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 library 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <math.h>
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#include "clock.h"
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#include "console.h"
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#include "sdram.h"
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#include "lcd-spi.h"
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#include "gfx.h"
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/* Convert degrees to radians */
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#define d2r(d) ((d) * 6.2831853 / 360.0)
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/*
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* This is our example, the heavy lifing is actually in lcd-spi.c but
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* this drives that code.
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*/
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int main(void) {
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int p1, p2, p3;
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clock_setup();
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console_setup(115200);
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sdram_init();
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lcd_spi_init();
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console_puts("LCD Initialized\n");
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console_puts("Should have a checker pattern, press any key to proceed\n");
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msleep(2000);
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// (void) console_getc(1);
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gfx_init(lcd_draw_pixel, 240, 320);
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gfx_fillScreen(LCD_GREY);
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gfx_fillRoundRect(10, 10, 220, 220, 5, LCD_WHITE);
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gfx_drawRoundRect(10, 10, 220, 220, 5, LCD_RED);
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gfx_fillCircle(20, 250, 10, LCD_RED);
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gfx_fillCircle(120, 250, 10, LCD_GREEN);
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gfx_fillCircle(220, 250, 10, LCD_BLUE);
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gfx_setTextSize(2);
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gfx_setCursor(15, 25);
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gfx_puts("STM32F4-DISCO");
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gfx_setTextSize(1);
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gfx_setCursor(15, 49);
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gfx_puts("Simple example to put some");
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gfx_setCursor(15, 60);
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gfx_puts("stuff on the LCD screen.");
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lcd_show_frame();
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console_puts("Now it has a bit of structured graphics.\n");
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console_puts("Press a key for some simple animation.\n");
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msleep(2000);
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// (void) console_getc(1);
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gfx_setTextColor(LCD_YELLOW, LCD_BLACK);
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gfx_setTextSize(3);
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p1 = 0;
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p2 = 45;
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p3 = 90;
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while (1) {
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gfx_fillScreen(LCD_BLACK);
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gfx_setCursor(15, 36);
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gfx_puts("PLANETS!");
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gfx_fillCircle( 120, 160, 40, LCD_YELLOW);
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gfx_drawCircle( 120, 160, 55, LCD_GREY);
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gfx_drawCircle( 120, 160, 75, LCD_GREY);
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gfx_drawCircle( 120, 160, 100, LCD_GREY);
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gfx_fillCircle( 120 + (sin(d2r(p1)) * 55),
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160 + (cos(d2r(p1)) * 55), 5, LCD_RED);
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gfx_fillCircle( 120 + (sin(d2r(p2)) * 75),
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160 + (cos(d2r(p2)) * 75), 10, LCD_WHITE);
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gfx_fillCircle( 120 + (sin(d2r(p3)) * 100),
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160 + (cos(d2r(p3)) * 100), 8, LCD_BLUE);
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p1 = (p1 + 3) % 360;
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p2 = (p2 + 2) % 360;
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p3 = (p3 + 1) % 360;
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lcd_show_frame();
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}
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}
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