76 lines
2.2 KiB
C
76 lines
2.2 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/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 "glcd.h"
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#define MARKSIZE 5 // half
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static uint16_t x, y; // origins in graph
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static uint16_t grid_X, grid_Y; //grids
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void graphDrawSystem(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t gridX, uint16_t gridY, uint16_t color) {
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uint16_t i, length;
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volatile uint16_t off;
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x = x0;
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y = y0;
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grid_X = gridX;
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grid_Y = gridY;
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// X-Axis
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length = x1 - x0;
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lcdDrawLine(x0, y0, x1, y0, color);
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lcdDrawLine(x1, y0, x1-5, y0+5, color);
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lcdDrawLine(x1, y0, x1-5, y0-5, color);
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for(i=1; i<(length / grid_X); i++) {
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off = x0 + i * grid_X;
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lcdDrawLine(off, y0-MARKSIZE, off, y0+MARKSIZE, color);
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}
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// Y-Axis
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length = y0 - y1;
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lcdDrawLine(x0, y0, x0, y1, color);
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lcdDrawLine(x0, y1, x0-5, y1+5, color);
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lcdDrawLine(x0, y1, x0+5, y1+5, color);
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for(i=1; i<(length / grid_Y); i++) {
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off = y0 + i * grid_Y;
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lcdDrawLine(x0-MARKSIZE, off, x0+MARKSIZE, off, color);
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}
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}
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void graphDrawDots(int coord[][2], uint16_t entries, uint16_t radius, uint16_t color) {
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uint16_t i;
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for(i = 0; i < entries; i++)
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lcdDrawCircle(coord[i][0]+x, y-coord[i][1], radius, 1, color);
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}
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void graphDrawNet(int coord[][2], uint16_t entries, uint16_t radius, uint16_t lineColor, uint16_t dotColor) {
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uint16_t i;
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for(i = 0; i < entries; ++i)
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lcdDrawLine(coord[i-1][0]+x, y-coord[i-1][1], coord[i][0]+x, y-coord[i][1], lineColor);
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for(i = 0; i < entries; ++i)
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if(radius != 0)
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lcdDrawCircle(coord[i][0]+x, y-coord[i][1], radius, 1, dotColor);
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}
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