1D-CA-VGA - 1D Wolframs Cellular Automata - uVGAII(SGC) 4DGL …

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Kamil Ondrousek / Mbed 2 deprecated 1D-CA-VGA

1D Wolframs Cellular Automata - uVGAII(SGC) 4DGL version 640x480 (slow but nice) pin p9 - rx, pin p10 - tx, pin p11 - rst

Dependencies: mbed

main.cpp@0:60aeb7163b27, 2011-09-03 (annotated)

Committer:: JLS
Date:: Sat Sep 03 14:11:03 2011 +0000
Revision:: 0:60aeb7163b27

Who changed what in which revision?

User	Revision	Line number	New contents of line
JLS	0:60aeb7163b27	1	#include "mbed.h"
JLS	0:60aeb7163b27	2
JLS	0:60aeb7163b27	3	Serial _cmd (p9, p10);
JLS	0:60aeb7163b27	4	DigitalOut _rst (p11);
JLS	0:60aeb7163b27	5
JLS	0:60aeb7163b27	6	void startVGA();
JLS	0:60aeb7163b27	7	void baudrate();
JLS	0:60aeb7163b27	8	void cls();
JLS	0:60aeb7163b27	9	void pixel(int, int, int);
JLS	0:60aeb7163b27	10	int writeCOM(char *, int);
JLS	0:60aeb7163b27	11	void DisplayState(int*,int, int);
JLS	0:60aeb7163b27	12
JLS	0:60aeb7163b27	13
JLS	0:60aeb7163b27	14	int main() {
JLS	0:60aeb7163b27	15
JLS	0:60aeb7163b27	16	startVGA ();
JLS	0:60aeb7163b27	17
JLS	0:60aeb7163b27	18	int iteration = 480;
JLS	0:60aeb7163b27	19	int lenght = 640;
JLS	0:60aeb7163b27	20
JLS	0:60aeb7163b27	21	int rules[8] = {1,1,1,0,1,0,0,1};
JLS	0:60aeb7163b27	22
JLS	0:60aeb7163b27	23	int row = 0;
JLS	0:60aeb7163b27	24
JLS	0:60aeb7163b27	25	int i,j,k;
JLS	0:60aeb7163b27	26	int state[lenght];
JLS	0:60aeb7163b27	27	int newstate[lenght];
JLS	0:60aeb7163b27	28
JLS	0:60aeb7163b27	29	while(1) {
JLS	0:60aeb7163b27	30
JLS	0:60aeb7163b27	31	for (i=0;i<lenght;i++)
JLS	0:60aeb7163b27	32
JLS	0:60aeb7163b27	33	state[i]= int (rand()%2);
JLS	0:60aeb7163b27	34
JLS	0:60aeb7163b27	35	for (i=0;i<iteration;i++) {
JLS	0:60aeb7163b27	36
JLS	0:60aeb7163b27	37	for (j=0;j<lenght;j++)
JLS	0:60aeb7163b27	38	newstate[j] = 0;
JLS	0:60aeb7163b27	39
JLS	0:60aeb7163b27	40	for (j=0;j<lenght;j++) {
JLS	0:60aeb7163b27	41	k = 4state[(j-1+lenght)%lenght] + 2state[j] + state[(j+1)%lenght];
JLS	0:60aeb7163b27	42	newstate[j] = rules[k];
JLS	0:60aeb7163b27	43	}
JLS	0:60aeb7163b27	44
JLS	0:60aeb7163b27	45	for (j=0;j<lenght;j++)
JLS	0:60aeb7163b27	46	state[j] = newstate[j];
JLS	0:60aeb7163b27	47
JLS	0:60aeb7163b27	48	DisplayState(state,lenght,row);
JLS	0:60aeb7163b27	49
JLS	0:60aeb7163b27	50	row = row + 1;
JLS	0:60aeb7163b27	51
JLS	0:60aeb7163b27	52	if (row == 480) {
JLS	0:60aeb7163b27	53
JLS	0:60aeb7163b27	54	row = 0;
JLS	0:60aeb7163b27	55
JLS	0:60aeb7163b27	56	}
JLS	0:60aeb7163b27	57
JLS	0:60aeb7163b27	58	}
JLS	0:60aeb7163b27	59
JLS	0:60aeb7163b27	60	}
JLS	0:60aeb7163b27	61	}
JLS	0:60aeb7163b27	62
JLS	0:60aeb7163b27	63
JLS	0:60aeb7163b27	64	void DisplayState(int s[],int len, int row)
JLS	0:60aeb7163b27	65	{
JLS	0:60aeb7163b27	66	int i;
JLS	0:60aeb7163b27	67
JLS	0:60aeb7163b27	68	for (i=0;i<len;i++) {
JLS	0:60aeb7163b27	69	if (s[i] == 1){
JLS	0:60aeb7163b27	70
JLS	0:60aeb7163b27	71	pixel (i,row,65534);
JLS	0:60aeb7163b27	72
JLS	0:60aeb7163b27	73	}
JLS	0:60aeb7163b27	74
JLS	0:60aeb7163b27	75	else{
JLS	0:60aeb7163b27	76
JLS	0:60aeb7163b27	77	pixel (i,row,0);
JLS	0:60aeb7163b27	78
JLS	0:60aeb7163b27	79	}
JLS	0:60aeb7163b27	80
JLS	0:60aeb7163b27	81	}
JLS	0:60aeb7163b27	82
JLS	0:60aeb7163b27	83	}
JLS	0:60aeb7163b27	84
JLS	0:60aeb7163b27	85	void startVGA () {
JLS	0:60aeb7163b27	86
JLS	0:60aeb7163b27	87	_rst = 1;
JLS	0:60aeb7163b27	88	_rst = 0;
JLS	0:60aeb7163b27	89	wait_ms(1);
JLS	0:60aeb7163b27	90	_rst = 1;
JLS	0:60aeb7163b27	91	wait(3);
JLS	0:60aeb7163b27	92
JLS	0:60aeb7163b27	93	while (_cmd.readable()) _cmd.getc();
JLS	0:60aeb7163b27	94
JLS	0:60aeb7163b27	95	char autobaud[1] = "";
JLS	0:60aeb7163b27	96	autobaud[0] = '\x55';
JLS	0:60aeb7163b27	97	writeCOM(autobaud, 1);
JLS	0:60aeb7163b27	98
JLS	0:60aeb7163b27	99	baudrate();
JLS	0:60aeb7163b27	100
JLS	0:60aeb7163b27	101	cls();
JLS	0:60aeb7163b27	102
JLS	0:60aeb7163b27	103	char dispctr[3]= "";
JLS	0:60aeb7163b27	104	dispctr[0] = '\x59';
JLS	0:60aeb7163b27	105	dispctr[1] = 0x0c;
JLS	0:60aeb7163b27	106	dispctr[2] = 0x01;
JLS	0:60aeb7163b27	107	writeCOM(dispctr, 3);
JLS	0:60aeb7163b27	108
JLS	0:60aeb7163b27	109	}
JLS	0:60aeb7163b27	110
JLS	0:60aeb7163b27	111
JLS	0:60aeb7163b27	112	void pixel(int x, int y, int color) {
JLS	0:60aeb7163b27	113
JLS	0:60aeb7163b27	114	char pixel[7]= "";
JLS	0:60aeb7163b27	115
JLS	0:60aeb7163b27	116	pixel[0] = '\x50';
JLS	0:60aeb7163b27	117
JLS	0:60aeb7163b27	118	pixel[1] = (x >> 8) & 0xFF;
JLS	0:60aeb7163b27	119	pixel[2] = x & 0xFF;
JLS	0:60aeb7163b27	120
JLS	0:60aeb7163b27	121	pixel[3] = (y >> 8) & 0xFF;
JLS	0:60aeb7163b27	122	pixel[4] = y & 0xFF;
JLS	0:60aeb7163b27	123
JLS	0:60aeb7163b27	124	pixel[5] = (color >> 8) & 0xFF;
JLS	0:60aeb7163b27	125	pixel[6] = color & 0xFF;
JLS	0:60aeb7163b27	126
JLS	0:60aeb7163b27	127	writeCOM(pixel, 7);
JLS	0:60aeb7163b27	128	}
JLS	0:60aeb7163b27	129
JLS	0:60aeb7163b27	130
JLS	0:60aeb7163b27	131	void baudrate() {
JLS	0:60aeb7163b27	132
JLS	0:60aeb7163b27	133	char baudrate[2]= "";
JLS	0:60aeb7163b27	134
JLS	0:60aeb7163b27	135	baudrate[0] = '\x51';
JLS	0:60aeb7163b27	136	baudrate[1] = '\x0F';
JLS	0:60aeb7163b27	137
JLS	0:60aeb7163b27	138	int i, resp = 0;
JLS	0:60aeb7163b27	139
JLS	0:60aeb7163b27	140	while (_cmd.readable()) _cmd.getc();
JLS	0:60aeb7163b27	141
JLS	0:60aeb7163b27	142	long speed = speed = 281000;
JLS	0:60aeb7163b27	143
JLS	0:60aeb7163b27	144	for (i = 0; i <2; i++) _cmd.putc(baudrate[i]);
JLS	0:60aeb7163b27	145	_cmd.baud(speed);
JLS	0:60aeb7163b27	146
JLS	0:60aeb7163b27	147	while (!_cmd.readable()) wait_ms(1);
JLS	0:60aeb7163b27	148
JLS	0:60aeb7163b27	149	if (_cmd.readable()) resp = _cmd.getc();
JLS	0:60aeb7163b27	150	switch (resp) {
JLS	0:60aeb7163b27	151	case '\x06' :
JLS	0:60aeb7163b27	152	resp = 1;
JLS	0:60aeb7163b27	153	break;
JLS	0:60aeb7163b27	154	case '\x15' :
JLS	0:60aeb7163b27	155	resp = -1;
JLS	0:60aeb7163b27	156	break;
JLS	0:60aeb7163b27	157	default :
JLS	0:60aeb7163b27	158	resp = 0;
JLS	0:60aeb7163b27	159	break;
JLS	0:60aeb7163b27	160	}
JLS	0:60aeb7163b27	161
JLS	0:60aeb7163b27	162	}
JLS	0:60aeb7163b27	163
JLS	0:60aeb7163b27	164
JLS	0:60aeb7163b27	165	int writeCOM(char *command, int number) {
JLS	0:60aeb7163b27	166
JLS	0:60aeb7163b27	167	int i, resp = 0;
JLS	0:60aeb7163b27	168
JLS	0:60aeb7163b27	169	while (_cmd.readable()) _cmd.getc();
JLS	0:60aeb7163b27	170
JLS	0:60aeb7163b27	171	for (i = 0; i < number; i++) _cmd.putc(command[i]);
JLS	0:60aeb7163b27	172
JLS	0:60aeb7163b27	173	while (!_cmd.readable()) wait_ms(1);
JLS	0:60aeb7163b27	174	if (_cmd.readable()) resp = _cmd.getc();
JLS	0:60aeb7163b27	175	switch (resp) {
JLS	0:60aeb7163b27	176	case '\x06' :
JLS	0:60aeb7163b27	177	resp = 1;
JLS	0:60aeb7163b27	178	break;
JLS	0:60aeb7163b27	179	case '\x15' :
JLS	0:60aeb7163b27	180	resp = -1;
JLS	0:60aeb7163b27	181	break;
JLS	0:60aeb7163b27	182	default :
JLS	0:60aeb7163b27	183	resp = 0;
JLS	0:60aeb7163b27	184	break;
JLS	0:60aeb7163b27	185	}
JLS	0:60aeb7163b27	186
JLS	0:60aeb7163b27	187	return resp;
JLS	0:60aeb7163b27	188	}
JLS	0:60aeb7163b27	189
JLS	0:60aeb7163b27	190
JLS	0:60aeb7163b27	191	void cls() {
JLS	0:60aeb7163b27	192	char cls[1] = "";
JLS	0:60aeb7163b27	193	cls[0] = '\x45';
JLS	0:60aeb7163b27	194	writeCOM(cls, 1);
JLS	0:60aeb7163b27	195	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	03 Sep 2011
Imports:	5
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

main.cpp@0:60aeb7163b27, 2011-09-03 (annotated)

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