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[/] [tcp_socket/] [trunk/] [source/] [user_design.c] - Rev 5
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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=\"http://pyandchips.org\">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(); }