uGFX/ugfx
2
0
Fork 0
Code Issues 2 Pull requests Projects Releases Wiki Activity

graphDrawSystem() does take now grid-X and grid-Y values

Browse source
This commit is contained in:
Tectu 2012-06-23 21:15:31 +02:00
parent 9aba8fad0a
commit 17feb4361e
2 changed files with 11 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
graph.c
View file

@ -1,26 +1,26 @@
#include "glcd.h"
#define GRID_X 20
#define GRID_Y 20
#define MARKSIZE 5 // half
static uint16_t x, y; // origins in graph
static uint16_t x, y; // origins in graph
static uint16_t grid_X, grid_Y; //grids
void graphDrawSystem(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color) {
void graphDrawSystem(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t gridX, uint16_t gridY, uint16_t color) {
uint16_t i, length;
volatile uint16_t off;
x = x0;
y = y0;
grid_X = gridX;
grid_Y = gridY;
// X-Axis
length = x1 - x0;
lcdDrawLine(x0, y0, x1, y0, color);
lcdDrawLine(x1, y0, x1-5, y0+5, color);
lcdDrawLine(x1, y0, x1-5, y0-5, color);
for(i=1; i<(length / GRID_X); i++) {
off = x0 + i*GRID_X;
for(i=1; i<(length / grid_X); i++) {
off = x0 + i * grid_X;
lcdDrawLine(off, y0-MARKSIZE, off, y0+MARKSIZE, color);
}
@ -29,8 +29,8 @@ void graphDrawSystem(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_
lcdDrawLine(x0, y0, x0, y1, color);
lcdDrawLine(x0, y1, x0-5, y1+5, color);
lcdDrawLine(x0, y1, x0+5, y1+5, color);
for(i=1; i<(length / GRID_Y); i++) {
off = x0 + i*GRID_Y;
for(i=1; i<(length / grid_Y); i++) {
off = x0 + i * grid_Y;
lcdDrawLine(x0-MARKSIZE, off, x0+MARKSIZE, off, color);
}
}

3
graph.h
View file

@ -11,11 +11,12 @@ extern "C" {
*
* param:
* - x0, y0, x1, y1: location of arrows
* - gridX, gridY: grid size in X and Y direction
* - color: color of arrows
*
* return: none
*/
void graphDrawSystem(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color);
void graphDrawSystem(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t gridX, uint16_t gridY, uint16_t color);
/*
* Description: does draw coordinates into graph as dots