121 lines
3.7 KiB
C
121 lines
3.7 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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#include "ch.h"
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#include "hal.h"
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#include "gdisp.h"
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#include "touchscreen.h"
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#define COLOR_SIZE 20
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#define PEN_SIZE 20
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#define OFFSET 3
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#define COLOR_BOX(a) (x >= a && x <= a + COLOR_SIZE)
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#define PEN_BOX(a) (y >= a && y <= a + COLOR_SIZE)
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#define GET_COLOR(a) (COLOR_BOX(a * COLOR_SIZE + OFFSET))
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#define GET_PEN(a) (PEN_BOX(a * 2 * PEN_SIZE + OFFSET))
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#define DRAW_COLOR(a) (a * COLOR_SIZE + OFFSET)
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#define DRAW_PEN(a) (a * 2 * PEN_SIZE + OFFSET)
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#define DRAW_AREA(x, y) (x >= PEN_SIZE + OFFSET + 3 && x <= gdispGetWidth() && \
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y >= COLOR_SIZE + OFFSET + 3 && y <= gdispGetHeight())
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static const SPIConfig spicfg = {
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NULL,
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TP_CS_PORT,
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TP_CS,
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/* SPI_CR1_BR_2 | */ SPI_CR1_BR_1 | SPI_CR1_BR_0,
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};
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TouchscreenDriver TOUCHPADD1 = {
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&SPID1,
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&spicfg,
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TP_IRQ_PORT,
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TP_IRQ,
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TRUE
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};
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void drawScreen(void) {
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char *msg = "ChibiOS/GFX";
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gdispSetOrientation(GDISP_ROTATE_90);
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gdispClear(White);
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gdispDrawString(gdispGetWidth()-gdispGetStringWidth(msg, &fontUI2Double)-3, 3, msg, &fontUI2Double, Black);
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/* colors */
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gdispFillArea(0 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Black); /* Black */
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gdispFillArea(1 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Red); /* Red */
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gdispFillArea(2 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Yellow); /* Yellow */
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gdispFillArea(3 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Green); /* Green */
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gdispFillArea(4 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Blue); /* Blue */
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gdispDrawBox (5 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Black); /* White */
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/* pens */
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gdispDrawString(OFFSET * 2, DRAW_PEN(1), "1", &fontLargeNumbers, Black);
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gdispDrawString(OFFSET * 2, DRAW_PEN(2), "2", &fontLargeNumbers, Black);
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gdispDrawString(OFFSET * 2, DRAW_PEN(3), "3", &fontLargeNumbers, Black);
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gdispDrawString(OFFSET * 2, DRAW_PEN(4), "4", &fontLargeNumbers, Black);
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gdispDrawString(OFFSET * 2, DRAW_PEN(5), "5", &fontLargeNumbers, Black);
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}
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int main(void) {
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volatile uint16_t x, y;
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color_t color = Black;
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uint16_t pen = 0;
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halInit();
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chSysInit();
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gdispInit();
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tsInit(&TOUCHPADD1);
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drawScreen();
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while (TRUE) {
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x = tsReadX();
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y = tsReadY();
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/* inside color box ? */
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if(y >= OFFSET && y <= COLOR_SIZE) {
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if(GET_COLOR(0)) color = Black;
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else if(GET_COLOR(1)) color = Red;
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else if(GET_COLOR(2)) color = Yellow;
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else if(GET_COLOR(3)) color = Green;
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else if(GET_COLOR(4)) color = Blue;
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else if(GET_COLOR(5)) color = White;
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/* inside pen box ? */
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} else if(x >= OFFSET && x <= PEN_SIZE) {
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if(GET_PEN(1)) pen = 0;
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else if(GET_PEN(2)) pen = 1;
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else if(GET_PEN(3)) pen = 2;
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else if(GET_PEN(4)) pen = 3;
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else if(GET_PEN(5)) pen = 4;
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/* inside drawing area ? */
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} else if(DRAW_AREA(x, y)) {
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if(pen == 0)
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gdispDrawPixel(x, y, color);
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else
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gdispFillCircle(x, y, pen, color);
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}
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}
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}
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