first graph implementation
Joel Bodenmann
parent
d1f9702173
commit
5ac6912648
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@ -29,10 +29,24 @@ typedef struct _Graph {
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coord_t x1;
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coord_t y1;
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uint16_t grid_size;
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uint16_t dot_space;
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bool_t full_grid;
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color_t color;
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} Graph;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void graphDrawOneQuadrat(Graph *g);
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void graphDrawFourQuadrants(Graph *g);
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void graphDrawDots(int coord[][2], uint16_t entries, uint16_t radius, uint16_t color);
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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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#ifdef __cplusplus
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}
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#endif
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#endif /* GFX_USE_GRAPH */
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#endif
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@ -1,75 +0,0 @@
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/*
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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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@ -1,72 +0,0 @@
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/*
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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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#ifndef GRAPH_H
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#define GRAPH_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Description: does draw axis arrows and grid
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*
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* param:
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* - x0, y0, x1, y1: location of arrows
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* - gridX, gridY: grid size in X and Y direction
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* - color: color of arrows
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*
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* return: none
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*/
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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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/*
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* Description: does draw coordinates into graph as dots
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*
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* param:
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* - coord: two dimensionl array containing X and Y coordinates
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* - entries: amount of coordinates passed (sizeof(coord)/sizeof(coord[0])
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* - radius: size of the dots
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* - color: color of the dots
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*
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* return: none
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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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/*
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* Description: does draw coordinates into graph connected by lines
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*
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* param:
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* - coord: two dimensional array containing X and Y coordinates
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* - entries: amount of coordinates passed (sizeof(coord)/sizeof(coord[0])
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* - radius: if not 0, graphDrawDots() gets invoked
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* - lineColor: color of the lines
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* - dotColor: color of dots, if radius != 0
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*
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* return: none
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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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#ifdef __cplusplus
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}
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#endif
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#endif
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@ -1,3 +0,0 @@
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GDISP_GRAPH_SRC = $(GFXLIB)/graph/graph.c
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GDISP_GRAPH_INC = $(GFXLIB)/graph
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18
src/gdisp.c
18
src/gdisp.c
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@ -258,9 +258,9 @@
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* @brief Draw a line.
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* @pre The GDISP unit must be in powerOn or powerSleep mode.
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*
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* @param[in] x0,y0 The start position
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* @param[in] x1,y1 The end position
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* @param[in] color The color to use
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* @param[in] x0,y0 The start position
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* @param[in] x1,y1 The end position
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* @param[in] color The color to use
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*
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* @api
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*/
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@ -280,6 +280,18 @@
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chMBPost(&gdispMailbox, (msg_t)p, TIME_INFINITE);
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}
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#endif
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/**
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* @brief Draw a dashed line.
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* @pre The GDISP unit must be in powerOn or powerSleep mode.
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*
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* @param[in] x0,y0 The start position
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* @param[in] x1,y1 The end position
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* @param[in] length The length of the dash
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* @param[in] color The color of the dashed line
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*
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* @api
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*/
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#if GDISP_NEED_MULTITHREAD || defined(__DOXYGEN__)
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/**
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99
src/graph.c
99
src/graph.c
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@ -25,8 +25,103 @@
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#if GFX_USE_GRAPH
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gfxGraphInit(struct graph_t *g) {
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(void)g;
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point_t origin; // origin of graph
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static void swapCoordinates(coord_t *a, coord_t *b) {
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coord_t temp;
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temp = *b;
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*b = *a;
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*a = temp;
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}
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static void _horizontalDotLine(coord_t x0, coord_t y0, coord_t x1, uint16_t space, color_t color) {
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uint16_t offset = x0;
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uint16_t count = ((x1 - x0) / space);
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do {
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gdispDrawPixel(offset, y0, color);
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offset += space;
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} while(count--);
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}
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static void _verticalDotLine(coord_t x0, coord_t y0, coord_t y1, uint16_t space, color_t color) {
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uint16_t offset = y0;
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uint16_t count = ((y1 - y0) / space);
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do {
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gdispDrawPixel(x0, offset, color);
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offset += space;
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} while(count--);
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}
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void graphDrawOneQuadrant(Graph *g) {
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if(g->x0 > g->x1)
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swapCoordinates(&g->x0, &g->x1);
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if(g->y0 > g->y1)
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swapCoordinates(&g->y0, &g->y1);
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uint16_t i;
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uint16_t length_x = (g->x1 - g->x0);
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uint16_t length_y = (g->y1 - g->y0);
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uint16_t middle_x = (g->x1 - g->x0) / 2;
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uint16_t middle_y = (g->y1 - g->y0) / 2;
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origin.x = g->x0;
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origin.y = g->y1;
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/* X Axis */
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gdispDrawLine(g->x0, g->y1, g->x1, g->y1, g->color);
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for(i = 0; i <= (length_y / g->grid_size); i++)
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_horizontalDotLine(g->x0, g->y0 + g->grid_size * i, g->x1, g->dot_space, g->color);
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/* Y Axis */
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gdispDrawLine(g->x0, g->y0, g->x0, g->y1, g->color);
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for(i = 0; i <= (length_x / g->grid_size); i++)
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_verticalDotLine(g->x0 + g->grid_size * i, g->y0, g->y1, g->dot_space, g->color);
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}
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void graphDrawFourQuadrants(Graph *g) {
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if(g->x0 > g->x1)
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swapCoordinates(&g->x0, &g->x1);
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if(g->y0 > g->y1)
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swapCoordinates(&g->y0, &g->y1);
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uint16_t i;
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uint16_t length_x = (g->x1 - g->x0);
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uint16_t length_y = (g->y1 - g->y0);
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uint16_t middle_x = (g->x1 - g->x0) / 2;
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uint16_t middle_y = (g->y1 - g->y0) / 2;
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origin.x = middle_x;
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origin.y = middle_y;
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/* X Axis */
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gdispDrawLine(g->x0, middle_y, g->x1, middle_y, g->color);
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for(i = 0; i <= (length_y / g->grid_size); i++)
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_horizontalDotLine(g->x0, g->y0 + g->grid_size * i, g->x1, g->dot_space, g->color);
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/* Y Axis */
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gdispDrawLine(middle_x, g->y0, middle_x, g->y1, g->color);
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for(i = 0; i <= (length_x / g->grid_size); i++)
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_verticalDotLine(g->x0 + g->grid_size * i, g->y0, g->y1, g->dot_space, g->color);
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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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gdispFillCircle(coord[i][0] + origin.x, origin.y - coord[i][1], radius, 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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gdispDrawLine(coord[i-1][0] + origin.x, origin.y - coord[i-1][1], coord[i][0] + origin.x, origin.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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lcdFillCircle(coord[i][0] + origin.x, origin.y - coord[i][1], radius, dotColor);
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}
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#endif /* GFX_USE_GRAPH */
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