CliffordVGA - Clifford chaotic attractor - uVGAII(SGC) 4DGL ver…

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Kamil Ondrousek / Mbed 2 deprecated CliffordVGA

Clifford chaotic attractor - uVGAII(SGC) 4DGL version 640x480 pin p9 - rx, pin p10 - tx, pin p11 - rst

main.cpp@0:21ffd53de6c8, 2011-09-03 (annotated)

Committer:: JLS
Date:: Sat Sep 03 14:44:19 2011 +0000
Revision:: 0:21ffd53de6c8

Who changed what in which revision?

User	Revision	Line number	New contents of line
JLS	0:21ffd53de6c8	1	#include "mbed.h"
JLS	0:21ffd53de6c8	2
JLS	0:21ffd53de6c8	3	Serial _cmd (p9, p10);
JLS	0:21ffd53de6c8	4	DigitalOut _rst (p11);
JLS	0:21ffd53de6c8	5
JLS	0:21ffd53de6c8	6	void startVGA();
JLS	0:21ffd53de6c8	7	void baudrate();
JLS	0:21ffd53de6c8	8	void cls();
JLS	0:21ffd53de6c8	9	void pixel(int, int, int);
JLS	0:21ffd53de6c8	10	int writeCOM(char *, int);
JLS	0:21ffd53de6c8	11
JLS	0:21ffd53de6c8	12
JLS	0:21ffd53de6c8	13	int main() {
JLS	0:21ffd53de6c8	14
JLS	0:21ffd53de6c8	15	startVGA ();
JLS	0:21ffd53de6c8	16
JLS	0:21ffd53de6c8	17	float x = 1;
JLS	0:21ffd53de6c8	18	float y = 1;
JLS	0:21ffd53de6c8	19
JLS	0:21ffd53de6c8	20	float ix = 0;
JLS	0:21ffd53de6c8	21	float iy = 0;
JLS	0:21ffd53de6c8	22
JLS	0:21ffd53de6c8	23	float a = -1.4;
JLS	0:21ffd53de6c8	24	float b = 1.6;
JLS	0:21ffd53de6c8	25	float c = 1;
JLS	0:21ffd53de6c8	26	float d = 0.7;
JLS	0:21ffd53de6c8	27
JLS	0:21ffd53de6c8	28	while (1) {
JLS	0:21ffd53de6c8	29
JLS	0:21ffd53de6c8	30	ix = sin(ay) - ccos(a*x);
JLS	0:21ffd53de6c8	31	iy = sin(bx) - dcos(b*y);
JLS	0:21ffd53de6c8	32
JLS	0:21ffd53de6c8	33	pixel(375+(180ix),255+(150iy),65534);
JLS	0:21ffd53de6c8	34
JLS	0:21ffd53de6c8	35	x = ix;
JLS	0:21ffd53de6c8	36	y = iy;
JLS	0:21ffd53de6c8	37
JLS	0:21ffd53de6c8	38	}
JLS	0:21ffd53de6c8	39	}
JLS	0:21ffd53de6c8	40
JLS	0:21ffd53de6c8	41
JLS	0:21ffd53de6c8	42	void startVGA () {
JLS	0:21ffd53de6c8	43
JLS	0:21ffd53de6c8	44	_rst = 1;
JLS	0:21ffd53de6c8	45	_rst = 0;
JLS	0:21ffd53de6c8	46	wait_ms(1);
JLS	0:21ffd53de6c8	47	_rst = 1;
JLS	0:21ffd53de6c8	48	wait(3);
JLS	0:21ffd53de6c8	49
JLS	0:21ffd53de6c8	50	while (_cmd.readable()) _cmd.getc();
JLS	0:21ffd53de6c8	51
JLS	0:21ffd53de6c8	52	char autobaud[1] = "";
JLS	0:21ffd53de6c8	53	autobaud[0] = '\x55';
JLS	0:21ffd53de6c8	54	writeCOM(autobaud, 1);
JLS	0:21ffd53de6c8	55
JLS	0:21ffd53de6c8	56	baudrate();
JLS	0:21ffd53de6c8	57
JLS	0:21ffd53de6c8	58	cls();
JLS	0:21ffd53de6c8	59
JLS	0:21ffd53de6c8	60	char dispctr[3]= "";
JLS	0:21ffd53de6c8	61	dispctr[0] = '\x59';
JLS	0:21ffd53de6c8	62	dispctr[1] = 0x0c;
JLS	0:21ffd53de6c8	63	dispctr[2] = 0x01;
JLS	0:21ffd53de6c8	64	writeCOM(dispctr, 3);
JLS	0:21ffd53de6c8	65
JLS	0:21ffd53de6c8	66	}
JLS	0:21ffd53de6c8	67
JLS	0:21ffd53de6c8	68
JLS	0:21ffd53de6c8	69	void pixel(int x, int y, int color) {
JLS	0:21ffd53de6c8	70
JLS	0:21ffd53de6c8	71	char pixel[7]= "";
JLS	0:21ffd53de6c8	72
JLS	0:21ffd53de6c8	73	pixel[0] = '\x50';
JLS	0:21ffd53de6c8	74
JLS	0:21ffd53de6c8	75	pixel[1] = (x >> 8) & 0xFF;
JLS	0:21ffd53de6c8	76	pixel[2] = x & 0xFF;
JLS	0:21ffd53de6c8	77
JLS	0:21ffd53de6c8	78	pixel[3] = (y >> 8) & 0xFF;
JLS	0:21ffd53de6c8	79	pixel[4] = y & 0xFF;
JLS	0:21ffd53de6c8	80
JLS	0:21ffd53de6c8	81	pixel[5] = (color >> 8) & 0xFF;
JLS	0:21ffd53de6c8	82	pixel[6] = color & 0xFF;
JLS	0:21ffd53de6c8	83
JLS	0:21ffd53de6c8	84	writeCOM(pixel, 7);
JLS	0:21ffd53de6c8	85	}
JLS	0:21ffd53de6c8	86
JLS	0:21ffd53de6c8	87
JLS	0:21ffd53de6c8	88	void baudrate() {
JLS	0:21ffd53de6c8	89
JLS	0:21ffd53de6c8	90	char baudrate[2]= "";
JLS	0:21ffd53de6c8	91
JLS	0:21ffd53de6c8	92	baudrate[0] = '\x51';
JLS	0:21ffd53de6c8	93	baudrate[1] = '\x0F';
JLS	0:21ffd53de6c8	94
JLS	0:21ffd53de6c8	95	int i, resp = 0;
JLS	0:21ffd53de6c8	96
JLS	0:21ffd53de6c8	97	while (_cmd.readable()) _cmd.getc();
JLS	0:21ffd53de6c8	98
JLS	0:21ffd53de6c8	99	long speed = speed = 281000;
JLS	0:21ffd53de6c8	100
JLS	0:21ffd53de6c8	101	for (i = 0; i <2; i++) _cmd.putc(baudrate[i]);
JLS	0:21ffd53de6c8	102	_cmd.baud(speed);
JLS	0:21ffd53de6c8	103
JLS	0:21ffd53de6c8	104	while (!_cmd.readable()) wait_ms(1);
JLS	0:21ffd53de6c8	105
JLS	0:21ffd53de6c8	106	if (_cmd.readable()) resp = _cmd.getc();
JLS	0:21ffd53de6c8	107	switch (resp) {
JLS	0:21ffd53de6c8	108	case '\x06' :
JLS	0:21ffd53de6c8	109	resp = 1;
JLS	0:21ffd53de6c8	110	break;
JLS	0:21ffd53de6c8	111	case '\x15' :
JLS	0:21ffd53de6c8	112	resp = -1;
JLS	0:21ffd53de6c8	113	break;
JLS	0:21ffd53de6c8	114	default :
JLS	0:21ffd53de6c8	115	resp = 0;
JLS	0:21ffd53de6c8	116	break;
JLS	0:21ffd53de6c8	117	}
JLS	0:21ffd53de6c8	118
JLS	0:21ffd53de6c8	119	}
JLS	0:21ffd53de6c8	120
JLS	0:21ffd53de6c8	121
JLS	0:21ffd53de6c8	122	int writeCOM(char *command, int number) {
JLS	0:21ffd53de6c8	123
JLS	0:21ffd53de6c8	124	int i, resp = 0;
JLS	0:21ffd53de6c8	125
JLS	0:21ffd53de6c8	126	while (_cmd.readable()) _cmd.getc();
JLS	0:21ffd53de6c8	127
JLS	0:21ffd53de6c8	128	for (i = 0; i < number; i++) _cmd.putc(command[i]);
JLS	0:21ffd53de6c8	129
JLS	0:21ffd53de6c8	130	while (!_cmd.readable()) wait_ms(1);
JLS	0:21ffd53de6c8	131	if (_cmd.readable()) resp = _cmd.getc();
JLS	0:21ffd53de6c8	132	switch (resp) {
JLS	0:21ffd53de6c8	133	case '\x06' :
JLS	0:21ffd53de6c8	134	resp = 1;
JLS	0:21ffd53de6c8	135	break;
JLS	0:21ffd53de6c8	136	case '\x15' :
JLS	0:21ffd53de6c8	137	resp = -1;
JLS	0:21ffd53de6c8	138	break;
JLS	0:21ffd53de6c8	139	default :
JLS	0:21ffd53de6c8	140	resp = 0;
JLS	0:21ffd53de6c8	141	break;
JLS	0:21ffd53de6c8	142	}
JLS	0:21ffd53de6c8	143
JLS	0:21ffd53de6c8	144	return resp;
JLS	0:21ffd53de6c8	145	}
JLS	0:21ffd53de6c8	146
JLS	0:21ffd53de6c8	147
JLS	0:21ffd53de6c8	148	void cls() {
JLS	0:21ffd53de6c8	149	char cls[1] = "";
JLS	0:21ffd53de6c8	150	cls[0] = '\x45';
JLS	0:21ffd53de6c8	151	writeCOM(cls, 1);
JLS	0:21ffd53de6c8	152	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	03 Sep 2011
Imports:	2
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

main.cpp@0:21ffd53de6c8, 2011-09-03 (annotated)

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