URL https://opencores.org/ocsvn/tcp_socket/tcp_socket/trunk
Subversion Repositories tcp_socket

[/] [tcp_socket/] [trunk/] [source/] [user_design.c] - Rev 3

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////////////////////////////////////////////////////////////////////////////////
//
//  CHIPS-2.0 USER DESIGN
//
//  :Author: Jonathan P Dawson
//  :Date: 17/10/2013
//  :email: chips@jondawson.org.uk
//  :license: MIT
//  :Copyright: Copyright (C) Jonathan P Dawson 2013
//
//  Simple web app demo.
//
////////////////////////////////////////////////////////////////////////////////
 
void put_socket(unsigned i){
	output_socket(i);
}
void stdout_put_char(unsigned i){
	output_rs232_tx(i);
}
 
#include "print.h"
#include "HTTP.h"
 
int find(unsigned string[], unsigned search, unsigned start, unsigned end){
	int value = start;
	while(string[value]){
	       print_decimal(string[value]); print_string("\n");
	       print_decimal(value); print_string("\n");
	       if(value == end) return -1;
	       if(string[value] == search) return value;
	       value++;
	}
	return -1;
}
 
void user_design()
{
	//simple echo application
	unsigned length;
	unsigned i, index;
	unsigned data[1460];
	unsigned word;
	unsigned switches = 0;
	unsigned buttons = 0;
	unsigned leds = 0;
	unsigned start, end;
 
	unsigned page[] = 
"<html>\
<head>\
<title>Chips-2.0 ATLYS Demo</title>\
</head>\
<body>\
<h1>Chips-2.0 ATLYS Demo</h1>\
<p>Welcome to the Chips-2.0 ATLYS Demo!</p>\
<p>Switch Status: 00000000</p>\
<p>Button Status: 0000</p>\
<form>\
	<input type=\"checkbox\" name=\"led1\" value=\"A\">led 0</input>\
	<input type=\"checkbox\" name=\"led2\" value=\"B\">led 1</input>\
	<input type=\"checkbox\" name=\"led3\" value=\"C\">led 2</input>\
	<input type=\"checkbox\" name=\"led4\" value=\"D\">led 3</input>\
	<input type=\"checkbox\" name=\"led4\" value=\"E\">led 4</input>\
	<input type=\"checkbox\" name=\"led4\" value=\"F\">led 5</input>\
	<input type=\"checkbox\" name=\"led4\" value=\"G\">led 6</input>\
	<input type=\"checkbox\" name=\"led4\" value=\"H\">led 7</input>\
	<button type=\"sumbit\" value=\"Submit\">Update LEDs</button>\
</form>\
<p>This <a href=\"https://github.com/dawsonjon/Chips-Demo\">project</a>\
 is powered by <a href=\"https://github.com/dawsonjon/Chips-2.0\">Chips-2.0</a>.</p>\
</body>\
</html>";
 
	print_string("Welcome to the Atlys Chips-2.0 demo!\n");
	print_string("Connect your web browser to 192.168.1.1\n");
	while(1){
 
		length = input_socket();
		index = 0;
		for(i=0;i<length;i+=2){
			word = input_socket();
			data[index] = (word >> 8) & 0xff;
			index++;
			data[index] = (word) & 0xff;
			index++;
		}
 
		//Get LED values
		//==============
 
		if(   data[0] == 'G' 
		   && data[1] == 'E' 
		   && data[2] == 'T' 
		   && data[3] == ' ' 
		   && data[4] == '/'
		   && (data[5] == '?' || data[5] == ' ')){
			start=5;
			end=find(data, ' ', start, index);
			leds = 0;
			if(find(data, 'A', start, end) != -1) leds |= 1;
			if(find(data, 'B', start, end) != -1) leds |= 2;
			if(find(data, 'C', start, end) != -1) leds |= 4;
			if(find(data, 'D', start, end) != -1) leds |= 8;
			if(find(data, 'E', start, end) != -1) leds |= 16;
			if(find(data, 'F', start, end) != -1) leds |= 32;
			if(find(data, 'G', start, end) != -1) leds |= 64;
			if(find(data, 'H', start, end) != -1) leds |= 128;
			output_leds(leds);
 
			//read switch values
			//==================
			switches = ~input_switches();
			//find first ':'
			index = find(page, ':', 0, 1460);
			index+=2;
			//insert switch values
			if(switches & 128) page[index] = '0';
			else page[index] = '1';
			index ++;
			if(switches & 64) page[index] = '0';
			else page[index] = '1';
			index ++;
			if(switches & 32) page[index] = '0';
			else page[index] = '1';
			index ++;
			if(switches & 16) page[index] = '0';
			else page[index] = '1';
			index ++;
			if(switches & 8) page[index] = '0';
			else page[index] = '1';
			index ++;
			if(switches & 4) page[index] = '0';
			else page[index] = '1';
			index ++;
			if(switches & 2) page[index] = '0';
			else page[index] = '1';
			index ++;
			if(switches & 1) page[index] = '0';
			else page[index] = '1';
 
			//read button values
			//==================
			buttons = ~input_buttons();
			//find next ':'
			index = find(page, ':', index+1, 1460);
			index+=2;
			//insert button values
			if(buttons & 1) page[index] = '0';
			else page[index] = '1';
			index ++;
			if(buttons & 2) page[index] = '0';
			else page[index] = '1';
			index ++;
			if(buttons & 4) page[index] = '0';
			else page[index] = '1';
			index ++;
			if(buttons & 8) page[index] = '0';
			else page[index] = '1';
 
			HTTP_OK(page);
		} else {
			HTTP_Not_Found();
		}
 
	}
 
        //dummy access to peripherals
	index = input_rs232_rx();
}
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Subversion Repositories tcp_socket

[/] [tcp_socket/] [trunk/] [source/] [user_design.c] - Rev 3
