// prepare the webpage by writing the data to the tcp send buffer
unsigned int print_webpage(unsigned char *buf,unsigned char on_off)
{
unsigned int plen;
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nPragma: no-cache\r\n\r\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("<h1 align=center>LCSOT²âÊÔÒ³Ãæ</h1><hr>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<center><p>״̬: "));
if (on_off)
{
plen=fill_tcp_data_p(buf,plen,PSTR("<font color=\"#00FF00\"> ¿ª</font>"));
}
else
{
plen=fill_tcp_data_p(buf,plen,PSTR("¹Ø"));
}
plen=fill_tcp_data_p(buf,plen,PSTR(" <small><a href=\""));
plen=fill_tcp_data(buf,plen,baseurl);
plen=fill_tcp_data(buf,plen,password);
plen=fill_tcp_data_p(buf,plen,PSTR("\">[Ë¢ÐÂ]</a></small></p>\n<p><a href=\""));
// the url looks like this http://baseurl/password/command
plen=fill_tcp_data(buf,plen,baseurl);
plen=fill_tcp_data(buf,plen,password);
if (on_off)
{
plen=fill_tcp_data_p(buf,plen,PSTR("/0\">¹Ø±Õ</a><p>"));
}
else
{
plen=fill_tcp_data_p(buf,plen,PSTR("/1\">¿ªÆô</a><p>"));
}
plen=fill_tcp_data_p(buf,plen,PSTR("</center><hr><p align=center>ÏêϸÐÅÏ¢Çë·ÃÎÊ£º<a href=\"http://www.lcsoft.net\">http://www.lcsoft.net</a></p>"));
//plen=fill_tcp_data_p(buf,plen,PSTR(WebSide));
return(plen);
}
int main(void){
uint16_t dat_p;
// set the clock speed to 8MHz
// set the clock prescaler. First write CLKPCE to enable setting of clock the
// next four instructions.
CLKPR=(1<<CLKPCE);
CLKPR=0; // 8 MHZ
_delay_loop_1(0); // 60us
//initialize the hardware driver for the enc28j60
enc28j60Init(mymac);
//enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(0); // 60us
enc28j60PhyWrite(PHLCON,0x476);
PORTB = 0xff;
DDRB = 0xff;
uart_init();
sei();
xfunc_out = (void (*)(char))uart_put;
xputs(PSTR("AVR-Ethernet test monitor\n"));
xprintf(PSTR("ENC28J60 Rev.%d\n"), enc28j60getrev());
//init the ethernet/ip layer:
init_ip_arp_udp_tcp(mymac,myip,MYWWWPORT);
while(1){
// read packet, handle ping and wait for a tcp packet:
dat_p=packetloop_icmp_tcp(buf,enc28j60PacketReceive(BUFFER_SIZE, buf));
/* dat_p will be unequal to zero if there is a valid
* http get */
if(dat_p==0){
// no http request
continue;
}
// tcp port 80 begin
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
// head, post and other methods:
dat_p=http200ok();
dat_p=fill_tcp_data_p(buf,dat_p,PSTR("<h1>200 OK</h1>"));
goto SENDTCP;
}
// just one web page in the "root directory" of the web server
if (strncmp("/ ",(char *)&(buf[dat_p+4]),2)==0){
dat_p=print_webpage(buf);
goto SENDTCP;
}else{
dat_p=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
goto SENDTCP;
}
SENDTCP:
www_server_reply(buf,dat_p); // send web page data
// tcp port 80 end
}
return (0);
}
// prepare the webpage by writing the data to the tcp send buffer
uint16_t print_webpage(uint8_t *buf)
{
uint16_t plen;
plen = http200ok();
plen = fill_tcp_data_p(buf,plen,PSTR("<pre>"));
plen = fill_tcp_data_p(buf,plen,PSTR("Hi, this is Andrew speaking."));
plen = fill_tcp_data_p(buf,plen,PSTR("</pre>\n"));
return(plen);
}
// answer HTTP/1.0 301 Moved Permanently\r\nLocation: password/\r\n\r\n
// to redirect to the url ending in a slash
uint16_t moved_perm(uint8_t *buf)
{
uint16_t plen;
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 301 Moved Permanently\r\nLocation: "));
plen=fill_tcp_data(buf,plen,password);
plen=fill_tcp_data_p(buf,plen,PSTR("/\r\nContent-Type: text/html\r\nPragma: no-cache\r\n\r\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("<h1>301 Moved Permanently</h1>\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("add a trailing slash to the url\n"));
return(plen);
}
// prepare the webpage by writing the data to the tcp send buffer
uint16_t print_webpage(uint8_t *buf,uint8_t rev)
{
char vstr[5];
uint16_t plen;
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("<center><p>ENC28J60 silicon rev is: B"));
itoa((enc28j60getrev()),vstr,10);
plen=fill_tcp_data(buf,plen,vstr);
plen=fill_tcp_data_p(buf,plen,PSTR("</center><hr><br>tuxgraphics.org\n"));
return(plen);
}
uint16_t printNowHTML ( uint8_t *buf )
{
char buffer[10];
uint16_t plen;
uint8_t i;
plen=http200ok();
plen=fill_tcp_data_p ( buf, plen, PSTR("<!DOCTYPE html>\n<html>\n<body>\n<pre>\n") );
itoa (currentUsage, buffer, 10);
plen=fill_tcp_data(buf, plen, buffer);
plen=fill_tcp_data_p ( buf, plen, PSTR("</pre>\n</body>\n</html>") );
return( plen );
}
// prepare the webpage by writing the data to the tcp send buffer
uint16_t print_webpage(uint8_t *buf)
{
uint16_t plen;
plen=http200ok();
//xprintf("%s\n",pc_html);
//plen=fill_tcp_data_p(buf,plen, pc_html);
//xprintf(PSTR("Return pc_html\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("<pre>"));
plen=fill_tcp_data_p(buf,plen,PSTR("Hi!\nYour web server works great."));
plen=fill_tcp_data_p(buf,plen,PSTR("</pre>\n"));
return(plen);
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(www_server_thread(struct pt *pt))
{
PT_BEGIN(pt);
while(1)
{
PT_WAIT_UNTIL(pt,check_flag(new_packet,www_server_flag));
if(dat_p > 0)
{
/*-----------------------------------------------------------------
/ HTTP GET message
/------------------------------------------------------------------
/ Example of a starting part of an HTTP GET message is:
/ GET /index.html HTTP/1.1
/----------------------------------------------------------------*/
if(strncmp("GET ",(char *)&(buf[dat_p]),4)==0)
{
/* just one web page in the "root directory" of the web server */
if (strncmp("/ ",(char *)&(buf[dat_p+4]),2)==0)
{
/* this is basic header */
dat_p=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nPragma: no-cache\r\n\r\n"));
/* this is our _website_ */
dat_p=fill_tcp_data_p(buf,dat_p,PSTR("<h2>Hello World!</h2>\n"));
dat_p=fill_tcp_data_p(buf,dat_p,PSTR("This is a test page.\n"));
/* send the data */
www_server_reply(buf,dat_p);
}
else
{
/* we dont have any website in this location */
dat_p=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 404 Not Found\r\nContent-Type: text/html\r\n\r\n<h1>404 Not Found</h1>"));
/* send the data */
www_server_reply(buf,dat_p);
}
}
}
clear_flag(new_packet,www_server_flag);
}
PT_END(pt);
}
// Return to room-2
uint16_t print_webpage_confirmrm2(uint8_t *buf)
{
uint16_t plen;
plen=http200ok();
plen=fill_tcp_data_p(buf,plen,PSTR("<h2>OK</h2> <a href=\"/room2\">->continue</a></p>\n"));
return(plen);
}
uint16_t printIndex ( uint8_t *buf )
{
uint16_t plen;
plen=http200ok();
plen=fill_tcp_data_p ( buf, plen, PSTR("<!DOCTYPE html>\n<html>\n<body>\n<a href=\"wlcm.htm\" target=\"data\">Welcome</a><br>\n<a href=\"now.htm\" target=\"data\">Current</a>\n<br>\n<a href=\"min0.htm\" target=\"data\">Minutes</a>\n<br>\n<a href=\"min1.htm\" target=\"data\">Minutes</a>\n<iframe src=\"wlcm.htm\" name=\"data\" style=\"border-color: #0000FF; border: 1; position:absolute; top:10; left:150px; right:0; bottom:10; width:600px; height:95%\"></iframe>\n</body>\n</html>") );
return( plen );
}
uint16_t printWelcomeHTML ( uint8_t *buf )
{
uint16_t plen;
plen=http200ok();
plen=fill_tcp_data_p ( buf, plen, PSTR("<!DOCTYPE html>\n <html>\n <body>\n <p>Welcome to EnergyMeter v0.1</p>\n <p>Select what data to see on the left</p>\n <p>(c)2013 Maarten van Ingen\n </body>\n </html>\n" ) );
return( plen );
}
uint16_t printMinHTML ( uint8_t *buf, char whichSection )
{
char buffer[10];
uint16_t plen;
uint8_t i;
plen=http200ok();
plen=fill_tcp_data_p ( buf, plen, PSTR("<!DOCTYPE html>\n<html>\n<body>\n<pre>\n") );
for ( i = 60*whichSection ; i < 60 * whichSection + 60 ; i++ )
{
plen=fill_tcp_data_p(buf,plen,PSTR("\n#"));
itoa (i, buffer, 10);
plen=fill_tcp_data(buf, plen, buffer);
plen=fill_tcp_data_p(buf,plen,PSTR(":"));
itoa (readings[i], buffer, 10);
plen=fill_tcp_data(buf, plen, buffer);
}
plen=fill_tcp_data_p ( buf, plen, PSTR("</pre>\n</body>\n</html>") );
return( plen );
}
/*
* 函数名：print_webpage
* 描述 ：将数据写到tcp的发送缓冲区(以实现一个网页)
* 输入 ：-buf
* -on_off
* 输出 ：无
* 返回 ：-plen
*/
unsigned int print_webpage(unsigned char *buf,unsigned char on_off)
{
unsigned int plen;
/* 新建一个网页，就像新建一个文件一样 */
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nPragma: no-cache\r\n\r\n"));
/* 在网页正中央填写信息 */
plen=fill_tcp_data_p(buf,plen,PSTR("<center><p>灯光状态指示: "));
if (on_off)
{
plen=fill_tcp_data_p(buf,plen,PSTR("<font color=\"#00FF00\"> 亮</font>"));
}
else
{
plen=fill_tcp_data_p(buf,plen,PSTR("灭"));
}
plen=fill_tcp_data_p(buf,plen,PSTR(" <small><a href=\""));
plen=fill_tcp_data(buf,plen,baseurl); // 要在浏览器中输入的网址
plen=fill_tcp_data(buf,plen,password); // 紧跟在网址后面的密码
plen=fill_tcp_data_p(buf,plen,PSTR("\">[刷新]</a></small></p>\n<p><a href=\""));
// the url looks like this http://baseurl/password/command
plen=fill_tcp_data(buf,plen,baseurl);
plen=fill_tcp_data(buf,plen,password);
if (on_off)
{
plen=fill_tcp_data_p(buf,plen,PSTR("/0\">关闭灯光</a><p>"));
}
else
{
plen=fill_tcp_data_p(buf,plen,PSTR("/1\">打开灯光</a><p>"));
}
plen=fill_tcp_data_p(buf,plen,PSTR("</center><hr><br>****************^_^ 欢迎您使用智能家居管理系统 ^_^****************\n"));
//plen=fill_tcp_data_p(buf,plen,PSTR("这是一个 web 测试程序"));
return(plen);
}
// prepare the webpage by writing the data to the tcp send buffer
uint16_t print_webpage(uint8_t *buf,uint8_t on_off)
{
uint16_t plen;
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nPragma: no-cache\r\n\r\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("<center><p>Output is: "));
if (on_off){
plen=fill_tcp_data_p(buf,plen,PSTR("<font color=\"#00FF00\"> ON</font>"));
}else{
plen=fill_tcp_data_p(buf,plen,PSTR("OFF"));
}
plen=fill_tcp_data_p(buf,plen,PSTR(" <small><a href=\".\">[refresh status]</a></small></p>\n<p><a href=\"."));
if (on_off){
plen=fill_tcp_data_p(buf,plen,PSTR("/0\">Switch off</a><p>"));
}else{
plen=fill_tcp_data_p(buf,plen,PSTR("/1\">Switch on</a><p>"));
}
plen=fill_tcp_data_p(buf,plen,PSTR("</center><hr><br>version 2.10, tuxgraphics.org\n"));
return(plen);
}
// prepare the webpage by writing the data to the tcp send buffer
uint16_t print_webpage(uint8_t *buf)
{
uint16_t plen;
plen=http200ok();
plen=fill_tcp_data_p(buf,plen,PSTR("<pre>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<font color='green' size='6'><b>Witaj !</b>\n</font>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<font color='blue'><i>twój serwer www dzia³a znakomicie</i>\n\n</font>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<hr><img src=http://www.atnel.pl/atnel_mini.jpg>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<a href=http://www.atnel.pl><br>www.atnel.pl</a>"));
plen=fill_tcp_data_p(buf,plen,PSTR("</pre>\n"));
return(plen);
}
// answer HTTP/1.0 301 Moved Permanently\r\nLocation: .....\r\n\r\n
// to redirect
// type =0 : http://tuxgraphics.org/c.ico favicon.ico file
// type =1 : /password/
uint16_t moved_perm(uint8_t *buf,uint8_t type)
{
uint16_t plen;
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 301 Moved Permanently\r\nLocation: "));
if (type==1){
plen=fill_tcp_data_p(buf,plen,PSTR("/"));
plen=fill_tcp_data(buf,plen,password);
plen=fill_tcp_data_p(buf,plen,PSTR("/"));
}else{
plen=fill_tcp_data_p(buf,plen,PSTR("http://tuxgraphics.org/c.ico"));
//plen=fill_tcp_data_p(buf,plen,PSTR("http://tuxgraphics.org/ico/print.ico"));
}
plen=fill_tcp_data_p(buf,plen,PSTR("\r\n\r\nContent-Type: text/html\r\n\r\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("<h1>301 Moved Permanently</h1>\n"));
return(plen);
}
// main web page
uint16_t print_webpage(void)
{
uint16_t plen;
plen=http200ok();
plen=fill_tcp_data_p(buf,plen,PSTR("<a href=/c>[alarm config]</a> <a href=/n>[network config]</a> <a href=./>[refresh]</a>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<h2>Alarm: "));
plen=fill_tcp_data(buf,plen,myname);
plen=fill_tcp_data_p(buf,plen,PSTR("</h2><pre>\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("Last alarm:\n"));
if (lastAlarm){
if (gMin>59){
itoa(gMin/60,gStrbuf,10); // convert integer to string
plen=fill_tcp_data(buf,plen,gStrbuf);
plen=fill_tcp_data_p(buf,plen,PSTR("hours and "));
}
itoa(gMin%60,gStrbuf,10); // convert integer to string
plen=fill_tcp_data(buf,plen,gStrbuf);
plen=fill_tcp_data_p(buf,plen,PSTR("min ago"));
}else{
plen=fill_tcp_data_p(buf,plen,PSTR("none in last 14 days"));
}
plen=fill_tcp_data_p(buf,plen,PSTR("\n</pre><hr>\n"));
return(plen);
}
uint16_t EtherShield::ES_fill_tcp_data_p(uint8_t *buf,uint16_t pos, const prog_char *progmem_s){
return fill_tcp_data_p(buf, pos, progmem_s);
}
int main(void)
{
uint16_t dat_p;
ADC_init();
_delay_ms ( 100 );
//DDRB |= (1<<PB0);
initTimer();
//initialize the hardware driver for the enc28j60
enc28j60Init(mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(0); // 60us
enc28j60PhyWrite(PHLCON,0x476);
//init the ethernet/ip layer:
init_udp_or_www_server(mymac,myip);
www_server_port(MYWWWPORT);
while(1)
{
// read packet, handle ping and wait for a tcp packet:
dat_p=packetloop_arp_icmp_tcp(buf,enc28j60PacketReceive(BUFFER_SIZE, buf));
// dat_p will be unequal to zero if there is a valid http get
if(dat_p==0)
{
// no http request
continue;
}
// tcp port 80 begin
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0)
{
// head, post and other methods:
dat_p=http200ok();
dat_p=fill_tcp_data_p(buf,dat_p,PSTR("<h1>200 OK</h1>"));
www_server_reply(buf,dat_p);
continue;
}
// just one web page in the "root directory" of the web server
if (strncmp("/ ",(char *)&(buf[dat_p+4]),2)==0)
{
//dat_p=print_webpage(buf);
dat_p=printIndex(buf);
www_server_reply(buf,dat_p);
}
else if (strncmp("/now.htm", (char *)&(buf[dat_p+4]),8) == 0 )
{
dat_p = printNowHTML ( buf );
www_server_reply( buf, dat_p );
}
else if (strncmp("/min0.htm", (char *)&(buf[dat_p+4]),9) == 0 )
{
dat_p = printMinHTML ( buf, 0 );
www_server_reply( buf, dat_p );
}
else if (strncmp("/min1.htm", (char *)&(buf[dat_p+4]),9) == 0 )
{
dat_p = printMinHTML ( buf, 1 );
www_server_reply( buf, dat_p );
}
else if (strncmp("/wlcm.htm", (char *)&(buf[dat_p+4]),9) == 0 )
{
dat_p = printWelcomeHTML ( buf );
www_server_reply( buf, dat_p );
}
else
{
dat_p=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
www_server_reply(buf,dat_p);
}
}
return (0);
}
// main webpage for setting the time and date
uint16_t print_webpage_clk(uint8_t *buf)
{
uint16_t plen;
plen=http200ok();
plen=fill_tcp_data_p(buf,plen,PSTR("<style type=\"text/css\">* {padding:0;margin:0;} body {font-size:10pt;font-family:\"georgia\";color:#333333;background:#74888e;}\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("h5 {font-size:0.7em;} #outer {width:340px;border:2px solid #fff;background-color:#fff;margin:0 auto;} #header {background:#2b2b2b;margin-bottom:2px;}#headercontent {bottom:0;padding:0.7em 1em 0.7em 1em;}\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("#headercontent h1 {font-weight:normal;color:#fff;font-size:2.5em;}\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("#content {padding:2em 2em 0 2em;}\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("</style></head><body><div id=\"outer\"><div id=\"header\"><div id=\"headercontent\">"));
// Webserver header
plen=fill_tcp_data_p(buf,plen,PSTR("<h1>Klokke / dato</h1></div></div>\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("<div id=\"content\">\n"));
//content
plen=fill_tcp_data_p(buf,plen,PSTR("<a href=\"/cnf\"><< Tilbake</a><br><br>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<fieldset><legend>Sett ny tid og dato</legend>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<br><form action=/cdclk method=get>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<input type=text size=1 name=h value="));
sprintf(strbuf,"%02d",ethPacket[pHour]);
plen=fill_tcp_data(buf,plen,strbuf);
plen=fill_tcp_data_p(buf,plen,PSTR(">"));
plen=fill_tcp_data_p(buf,plen,PSTR(":"));
plen=fill_tcp_data_p(buf,plen,PSTR("<input type=text size=1 name=m value="));
sprintf(strbuf,"%02d",ethPacket[pMin]);
plen=fill_tcp_data(buf,plen,strbuf);
plen=fill_tcp_data_p(buf,plen,PSTR(">"));
plen=fill_tcp_data_p(buf,plen,PSTR(":"));
plen=fill_tcp_data_p(buf,plen,PSTR("<input type=text size=1 name=s value="));
sprintf(strbuf,"%02d",ethPacket[pSec]);
plen=fill_tcp_data(buf,plen,strbuf);
plen=fill_tcp_data_p(buf,plen,PSTR(">"));
plen=fill_tcp_data_p(buf,plen,PSTR("(hh:tt:ss)<br><br>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<input type=text size=1 name=dd value="));
sprintf(strbuf,"%02d",ethPacket[pDate]);
plen=fill_tcp_data(buf,plen,strbuf);
plen=fill_tcp_data_p(buf,plen,PSTR(">"));
plen=fill_tcp_data_p(buf,plen,PSTR("-"));
plen=fill_tcp_data_p(buf,plen,PSTR("<input type=text size=1 name=mm value="));
sprintf(strbuf,"%02d",ethPacket[pMonth]);
plen=fill_tcp_data(buf,plen,strbuf);
plen=fill_tcp_data_p(buf,plen,PSTR(">"));
plen=fill_tcp_data_p(buf,plen,PSTR("-"));
plen=fill_tcp_data_p(buf,plen,PSTR("<input type=text size=1 name=yy value="));
sprintf(strbuf,"%02d",ethPacket[pYear]);
plen=fill_tcp_data(buf,plen,strbuf);
plen=fill_tcp_data_p(buf,plen,PSTR(">"));
plen=fill_tcp_data_p(buf,plen,PSTR("(dd-mm-yy)<br><br>"));
plen=fill_tcp_data_p(buf,plen,PSTR("Passord:<input type=password size=8 name=pw><br>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<input type=submit value=\"OK\"></form><br></fieldset><br>"));
return(plen);
}
uint16_t print_webpage_now(uint8_t *buf)
{
uint16_t plen;
plen=http200ok();
plen=fill_tcp_data_p(buf,plen,PSTR("<style type=\"text/css\">* {padding:0;margin:0;} body {font-size:10pt;font-family:\"georgia\";color:#333333;background:#74888e;}\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("h5 {font-size:0.7em;} #outer {width:340px;border:2px solid #fff;background-color:#fff;margin:0 auto;} #header {background:#2b2b2b;margin-bottom:2px;}#headercontent {bottom:0;padding:0.7em 1em 0.7em 1em;}\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("#headercontent h1 {font-weight:normal;color:#fff;font-size:2.5em;}\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("#content {padding:2em 2em 0 2em;}\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("</style></head><body><div id=\"outer\"><div id=\"header\"><div id=\"headercontent\">"));
// Webserver header
plen=fill_tcp_data_p(buf,plen,PSTR("<h1>Ekstra ting</h1></div></div>\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("<div id=\"content\">\n"));
//content
plen=fill_tcp_data_p(buf,plen,PSTR("<h2>Actions</h2>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<form action=/ack method=get>"));
plen=fill_tcp_data_p(buf,plen,PSTR("Passw: <input type=password size=8 name=pw><input type=hidden name=rst value=1><input type=submit value=\"reboot host now\"></form>\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("<hr><form action=/ack method=get>"));
if (pingtimer>0){
plen=fill_tcp_data_p(buf,plen,PSTR("Passw: <input type=password size=8 name=pw><input type=hidden name=stp value=1><input type=submit value=\"stop watchdog now\"></form>"));
}else{
plen=fill_tcp_data_p(buf,plen,PSTR("Passw: <input type=password size=8 name=pw><input type=hidden name=srt value=1><input type=submit value=\"start watchdog now\"></form><hr>"));
}
return(plen);
}
int main(void){
uint16_t plen;
uint16_t dat_p;
uint8_t cmd;
// set the clock speed to "no pre-scaler" (8MHz with internal osc or
// full external speed)
// set the clock prescaler. First write CLKPCE to enable setting of clock the
// next four instructions.
CLKPR=(1<<CLKPCE); // change enable
CLKPR=0; // "no pre-scaler"
uartInit();
uartSetBaudRate(9600);
_delay_loop_1(50); // 12ms
/* enable PD2/INT0, as input */
DDRD&= ~(1<<DDD2);
// test button
cbi(DDRD,PIND6);
sbi(PORTD,PIND6); // internal pullup resistor on
_delay_loop_1(50); // 12ms
// read eeprom values unless, the PD6 pin is connected to GND during bootup
// PD6 is used to reset to factory default. Note that factory default is
// not stored back to eeprom.
if (eeprom_read_byte((uint8_t *)0x0) == 19 && ! bit_is_clear(PIND,PIND6)){
// ok magic number matches accept values
eeprom_read_block((uint8_t *)myip,(void *)1,sizeof(myip));
eeprom_read_block((uint8_t *)monitoredhost,(void *)6,sizeof(monitoredhost));
pinginterval=eeprom_read_byte((uint8_t *)11);
sendping=eeprom_read_byte((uint8_t *)12);
eeprom_read_block((char *)password,(void *)13,sizeof(password));
password[7]='\0'; // make sure it is terminated, should not be necessary
}
/*initialize enc28j60*/
enc28j60Init(mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(50); // 12ms
// LED
/* enable PB1, LED as output */
//DDRB|= (1<<DDB1);
/* set output to Vcc, LED off */
//LEDOFF;
// the transistor on PD7
DDRD|= (1<<DDD7);
PORTD &= ~(1<<PIND7);// transistor off
/* Magjack leds configuration, see enc28j60 datasheet, page 11 */
// LEDB=yellow LEDA=green
//
// 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit
// enc28j60PhyWrite(PHLCON,0b0000 0100 0111 01 10);
enc28j60PhyWrite(PHLCON,0x476);
_delay_loop_1(50); // 12ms
//init the ethernet/ip layer:
init_ip_arp_udp_tcp(mymac,myip,MYWWWPORT);
timer_init();
_delay_ms(1000);
uartFlushReceiveBuffer();
sei(); // interrupt enable
while(1){
//uartSendByte('a');
//checkForEthPacket(ethPacket);
stop_timer=2;
if (checkForEthPacket(ethPacket))
{
sendEthPacket(time, sm);
time.hr = 99;
}
stop_timer=0;
// wait_data++;
// if (wait_data>40)
// wait_data=0;
//_delay_ms(500);
// spontanious messages must not interfer with
// web pages
if (pagelock==0 && enc28j60hasRxPkt()==0){
if (sendping && havemac==0){
client_arp_whohas(buf,monitoredhost);
havemac=2;
}
if (sendping && havemac==1 && pingnow){
pingnow=0;
client_icmp_request(buf,monitoredhost,PINGPATTERN);
pingtimer++; // otheweise we would call this function again
hoststatus++;
if (hoststatus==0xff){
hoststatus=1; // wrap to 1
}
}
}
// get the next new packet:
plen = enc28j60PacketReceive(BUFFER_SIZE, buf);
/*plen will be unequal to zero if there is a valid
* packet (without crc error) */
if(plen==0){
continue;
}
// arp is broadcast if unknown but a host may also
// verify the mac address by sending it to
// a unicast address.
if(eth_type_is_arp_and_my_ip(buf,plen)){
if (eth_type_is_arp_req(buf)){
make_arp_answer_from_request(buf);
}
if (eth_type_is_arp_reply(buf)){
if (client_store_gw_mac(buf,monitoredhost)){
havemac=1;
}
}
continue;
}
// check if ip packets are for us:
if(eth_type_is_ip_and_my_ip(buf,plen)==0){
continue;
}
if(buf[IP_PROTO_P]==IP_PROTO_ICMP_V && buf[ICMP_TYPE_P]==ICMP_TYPE_ECHOREPLY_V){
if (buf[ICMP_DATA_P]== PINGPATTERN){
if (check_ip_message_is_from(buf,monitoredhost)){
// ping reply is from monitored host and ping was from us
hoststatus=0;
hostbackafterreboot=1;
}
}
}
if(buf[IP_PROTO_P]==IP_PROTO_ICMP_V && buf[ICMP_TYPE_P]==ICMP_TYPE_ECHOREQUEST_V){
if (check_ip_message_is_from(buf,monitoredhost)){
// ping is from monitored host
hoststatus=0;
hostbackafterreboot=1;
}
// a ping packet, let's send pong
make_echo_reply_from_request(buf,plen);
continue;
}
// tcp port www start, compare only the lower byte
if (buf[IP_PROTO_P]==IP_PROTO_TCP_V&&buf[TCP_DST_PORT_H_P]==0&&buf[TCP_DST_PORT_L_P]==MYWWWPORT){
if (buf[TCP_FLAGS_P] & TCP_FLAGS_SYN_V){
make_tcp_synack_from_syn(buf);
// make_tcp_synack_from_syn does already send the syn,ack
continue;
}
if (buf[TCP_FLAGS_P] & TCP_FLAGS_ACK_V){
init_len_info(buf); // init some data structures
// we can possibly have no data, just ack:
dat_p=get_tcp_data_pointer();
if (dat_p==0){
if (buf[TCP_FLAGS_P] & TCP_FLAGS_FIN_V){
// finack, answer with ack
make_tcp_ack_from_any(buf);
}
// just an ack with no data, wait for next packet
continue;
}
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
// head, post and other methods:
//
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n<h1>200 OK</h1>"));
goto SENDTCP;
}
if (strncmp("/ ",(char *)&(buf[dat_p+4]),2)==0){
plen=print_webpage(buf);
goto SENDTCP;
}
cmd=analyse_get_url((char *)&(buf[dat_p+5]));
pagelock=1; // stop automatic actions until webpage is displayed
//
// error, default, will get overwritte in case
// something else is selected:
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n<h1>Error</h1>"));
plen=fill_tcp_data(buf,plen,errmsg);
plen=fill_tcp_data_p(buf,plen,PSTR("<br><br><a href=/>->continue</a>\n"));
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
if (cmd==1){
resethost();
plen=print_webpage_confirm(buf);
}
if (cmd==2){
store_in_eeprom();
plen=print_webpage_confirm(buf);
}
if (cmd==7){
store_in_eeprom();
plen=print_webpage_confirm(buf);
reinitmac=1;
}
// start and stop of wd, this is not store in eeprom
if (cmd==5){
pingtimer=1; // wd on
plen=print_webpage_confirm(buf);
}
if (cmd==4){
pingtimer=0; // wd off
plen=print_webpage_confirm(buf);
}
if (cmd==3){
plen=print_webpage_now(buf);
}
if (cmd==6){
plen=print_webpage_config(buf);
}
// testing the temp OK / NOK
if (cmd==20){
sm[0].temp= atoi(strbuf);
plen=print_webpage_confirm(buf);
}
if (cmd==21){
sm[1].temp= atoi(strbuf);
plen=print_webpage_confirm(buf);
}
// on / off - slave-modules
// ON slave-module-1
if (cmd==34){
sm[0].status = atoi(strbuf);
plen=print_webpage_confirmrm1(buf);
}
// OFF slave-module-1
if (cmd==31){
sm[0].status = atoi(strbuf);
plen=print_webpage_confirmrm1(buf);
}
// ON slave-module-2
if (cmd==32){
sm[1].status = atoi(strbuf);
plen=print_webpage_confirmrm2(buf);
}
// OFF slave-module-2
if (cmd==33){
sm[1].status = atoi(strbuf);
plen=print_webpage_confirmrm2(buf);
}
if (cmd==35){
plen=print_webpage_confirmclk(buf);
}
if (cmd==36){
plen=print_webpage_confirmclk(buf);
}
// Room-1
if (cmd==10){
plen=print_webpage_room1(buf);
}
// ROom-2
if (cmd==11){
plen=print_webpage_room2(buf);
}
// Clock & date
if (cmd==12){
plen=print_webpage_clk(buf);
}
//
SENDTCP:
make_tcp_ack_from_any(buf); // send ack for http get
make_tcp_ack_with_data(buf,plen); // send data
continue;
}
}
// tcp port www end
//
// udp not implemented
}
return (0);
}
int main(void){
uint16_t plen;
uint16_t dat_p;
uint8_t i=0;
uint8_t payloadlen=0;
// set the clock speed to 8MHz
// set the clock prescaler. First write CLKPCE to enable setting of clock the
// next four instructions.
//CLKPR=(1<<CLKPCE);
//CLKPR=0; // 8 MHZ
_delay_loop_1(50); // 12ms
// LED
/* enable PB1, LED as output */
DDRB|= (1<<DDB1);
/* one blink for indicate of start programm */
cbi(PORTB, PORTB1); // on
_delay_ms(100);
sbi(PORTB,PORTB1); // off
_delay_ms(100);
cbi(PORTB,PORTB1); // on
/*initialize enc28j60*/
enc28j60Init(mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(50); // 12ms
/* Magjack leds configuration, see enc28j60 datasheet, page 11 */
// LEDB=yellow LEDA=green
//
// 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit
// enc28j60PhyWrite(PHLCON,0b0000 0100 0111 01 10);
enc28j60PhyWrite(PHLCON,0x476);
_delay_loop_1(50); // 12ms
/* set output to GND, red LED on */
PORTB &= ~(1<<PORTB1);
i=1;
//init the ethernet/ip layer:
init_ip_arp_udp_tcp(mymac,myip,MYWWWPORT);
while(1){
// get the next new packet:
plen = enc28j60PacketReceive(BUFFER_SIZE, buf);
/*plen will ne unequal to zero if there is a valid
* packet (without crc error) */
if(plen==0){
continue;
}
// arp is broadcast if unknown but a host may also
// verify the mac address by sending it to
// a unicast address.
if(eth_type_is_arp_and_my_ip(buf,plen)){
make_arp_answer_from_request(buf);
continue;
}
// check if ip packets (icmp or udp) are for us:
if(eth_type_is_ip_and_my_ip(buf,plen)==0){
continue;
}
if (i){
/* set output to Vcc, LED off */
PORTB|= (1<<PORTB1);
i=0;
}else{
/* set output to GND, LED on */
PORTB &= ~(1<<PORTB1);
i=1;
}
if(buf[IP_PROTO_P]==IP_PROTO_ICMP_V && buf[ICMP_TYPE_P]==ICMP_TYPE_ECHOREQUEST_V){
// a ping packet, let's send pong
make_echo_reply_from_request(buf,plen);
continue;
}
// tcp port www start, compare only the lower byte
if (buf[IP_PROTO_P]==IP_PROTO_TCP_V&&buf[TCP_DST_PORT_H_P]==0&&buf[TCP_DST_PORT_L_P]==MYWWWPORT){
if (buf[TCP_FLAGS_P] & TCP_FLAGS_SYN_V){
make_tcp_synack_from_syn(buf);
// make_tcp_synack_from_syn does already send the syn,ack
continue;
}
if (buf[TCP_FLAGS_P] & TCP_FLAGS_ACK_V){
init_len_info(buf); // init some data structures
// we can possibly have no data, just ack:
dat_p=get_tcp_data_pointer();
if (dat_p==0){
if (buf[TCP_FLAGS_P] & TCP_FLAGS_FIN_V){
// finack, answer with ack
make_tcp_ack_from_any(buf);
}
// just an ack with no data, wait for next packet
continue;
}
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
// head, post and other methods:
//
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n<h1>200 OK</h1>"));
}else{
// the "get" method
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n<p>OK, it works</p>"));
}
make_tcp_ack_from_any(buf); // send ack for http get
make_tcp_ack_with_data(buf,plen); // send data
continue;
}
}
// udp interface:
if (buf[IP_PROTO_P]==IP_PROTO_UDP_V){
payloadlen=buf[UDP_LEN_L_P]-UDP_HEADER_LEN;
// the received command has to start with t and be 4 char long
// e.g "test\0"
if (buf[UDP_DATA_P]=='t' && payloadlen==5){
make_udp_reply_from_request(buf,"hello",6,MYUDPPORT);
}
}
}
return (0);
}
uint16_t http200ok(void)
{
return(fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nPragma: no-cache\r\n\r\n")));
}
/*
* Main entry point
*/
int main(void) {
//=====init green led
LEDInit();
LEDSet(1);
//=====setup eth interface
uint16_t plen = 0, dat_p = 0;
//initialize enc28j60
enc28j60Init(mymac);
_delay_ms(100);
// Magjack leds configuration, see enc28j60 datasheet, page 11
// LEDB=yellow LEDA=green
// 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit
// enc28j60PhyWrite(PHLCON,0b0000 0100 0111 01 10);
enc28j60PhyWrite(PHLCON,0x476);
_delay_ms(100);
//init the ethernet/ip layer:
init_udp_or_www_server(mymac,myip);
www_server_port(MYWWWPORT);
register_ping_rec_callback(PingCallback);
while(1){
// handle ping and wait for a tcp packet:
dat_p = packetloop_arp_icmp_tcp(buf, enc28j60PacketReceive(BUFFER_SIZE, buf));
// dat_p will be unequal to zero if there is a valid http get
if(dat_p==0){
// do nothing
continue;
}
// tcp port 80 begin
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
dat_p = fill_tcp_data_p(buf, 0, PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nPragma: no-cache\r\n\r\n"));
dat_p = fill_tcp_data_p(buf, dat_p, PSTR("<h1>200 OK</h1>"));
goto SENDTCP;
}
if (strncmp("/ ",(char *) & (buf[ dat_p + 4] ), 2) == 0 ){
nAccessCount++;
dat_p = fill_tcp_data_p(buf, 0, PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nPragma: no-cache\r\n\r\n"));
// webcontent
char szWebText[130] = {0};
sprintf(szWebText,
"<b>ATmega8 Webserver / ENC28J60</b><br><br>Server stats:<br>Acc:%d Png:%d<br><br>(C) Radu Motisan 2012, www.pocketmagic.net<br/>Tomasz Jokiel",
nAccessCount, nPingCount);
dat_p = fill_tcp_data(buf, dat_p, szWebText);
//
goto SENDTCP;
}
// all other URLs:
dat_p = fill_tcp_data_p(buf, 0, PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
SENDTCP:
www_server_reply(buf, dat_p); // send web page data
}
return (0);
}
int main(void){
uint16_t dat_p,plen;
int8_t cmd;
// Set the clock speed to "no pre-scaler" (8MHz with internal osc or
// full external speed)
// set the clock prescaler. First write CLKPCE to enable setting
// of clock the next four instructions.
// Note that the CKDIV8 Fuse determines the initial
// value of the CKKPS bits.
CLKPR=(1<<CLKPCE); // change enable
CLKPR=0; // "no pre-scaler"
_delay_loop_1(0); // 60us
/*initialize enc28j60*/
enc28j60Init(mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(0); // 60us
/* Magjack leds configuration, see enc28j60 datasheet, page 11 */
// LEDB=yellow LEDA=green
//
// 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit
// enc28j60PhyWrite(PHLCON,0b0000 0100 0111 01 10);
enc28j60PhyWrite(PHLCON,0x476);
DDRB|= (1<<DDB1); // LED, enable PB1, LED as output
LEDOFF;
DDRD&= ~(1<<DDD6); // enable PB6, as input
PORTD|= (1<<PIND6); // internal pullup resistor on
init_cnt2();
sei();
//init the web server ethernet/ip layer:
init_ip_arp_udp_tcp(mymac,myip,MYWWWPORT);
// init the web client:
client_set_gwip(gwip); // e.g internal IP of dsl router
//
while(1){
// handle ping and wait for a tcp packet
plen=enc28j60PacketReceive(BUFFER_SIZE, buf);
dat_p=packetloop_icmp_tcp(buf,plen);
if(plen==0){
// we are idle here
if (client_waiting_gw() ){
continue;
}
if (dns_state==0){
sec=0;
dns_state=1;
dnslkup_request(buf,PSTR(WEBSERVER_VHOST));
continue;
}
if (dns_state==1 && dnslkup_haveanswer()){
dns_state=2;
client_set_wwwip(dnslkup_getip());
}
if (dns_state!=2){
// retry every minute if dns-lookup failed:
if (sec > 60){
dns_state=0;
}
// don't try to use web client before
// we have a result of dns-lookup
continue;
}
//----------
if (start_web_client==1){
LEDON;
start_web_client=2;
sec=0;
web_client_attempts++;
// the identi.ca line is status=Url_encoded_string
strcat(statusstr,"status=");
// the text to send to identi.ca (append after status=):
//urlencode("Meals are ready",&(statusstr[7]));
urlencode("I like tuxgraphics eth boards, ",&(statusstr[7]));
// append a number:
itoa(web_client_attempts,&(statusstr[strlen(statusstr)]),10);
// The BLOGGACCOUNT Authorization code can be generated from
// username and password of your identi.ca account
// by using this encoder: http://tuxgraphics.org/~guido/javascript/base64-javascript.html
client_http_post(PSTR("/api/statuses/update.xml"),PSTR(WEBSERVER_VHOST),PSTR(BLOGGACCOUNT),statusstr,&browserresult_callback);
}
// count how often the switch was triggered at all:
if (contact_debounce==0 && bit_is_clear(PIND,PIND6)){
contact_onoff_cnt++;
contact_debounce=1;
}
// we send only a request if we are in the right state (do
// not flood with request):
if (start_web_client==0 && bit_is_clear(PIND,PIND6)){
resend=1; // resend once if it failed
start_web_client=1;
}
// Reset after a delay of 3 min to prevent email sending.
// We reset only if the contact on PD6 was released.
if (start_web_client<=3 && sec==180 && !bit_is_clear(PIND,PIND6)){
start_web_client=0;
}
// Resend the message if it failed:
if (start_web_client==2 && sec==7 && resend){
start_web_client=1;
resend--;
}
continue;
}
if(dat_p==0){ // plen!=0
// check for incomming messages not processed
// as part of packetloop_icmp_tcp, e.g udp messages
udp_client_check_for_dns_answer(buf,plen);
continue;
}
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
// head, post and other methods:
//
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
dat_p=http200ok();
dat_p=fill_tcp_data_p(buf,dat_p,PSTR("<h1>200 OK</h1>"));
goto SENDTCP;
}
cmd=analyse_get_url((char *)&(buf[dat_p+4]));
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
if (cmd==-1){
dat_p=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
goto SENDTCP;
}
if (cmd==1 && start_web_client==4){
// email was off, switch on
start_web_client=0;
}
if (cmd==0 ){
start_web_client=4; // email off
}
dat_p=http200ok();
dat_p=print_webpage(buf);
//
SENDTCP:
www_server_reply(buf,dat_p); // send data
}
return (0);
}
// prepare the webpage by writing the data to the tcp send buffer
uint16_t print_webpage(uint8_t *buf)
{
uint16_t plen;
char vstr[15];
plen=http200ok();
plen=fill_tcp_data_p(buf,plen,PSTR("<a href=/>[refresh]</a>"));
plen=fill_tcp_data_p(buf,plen,PSTR("<h2>identi.ca notification status</h2>\n<pre>\n"));
if (client_waiting_gw()){
plen=fill_tcp_data_p(buf,plen,PSTR("waiting for GW IP to answer arp.\n"));
return(plen);
}
if (dns_state==1){
plen=fill_tcp_data_p(buf,plen,PSTR("waiting for DNS answer.\n"));
return(plen);
}
/* // debug
plen=fill_tcp_data_p(buf,plen,PSTR("\nweb IP:\n"));
mk_net_str(vstr, dnslkup_getip() ,4,'.',10);
plen=fill_tcp_data(buf,plen,vstr);
plen=fill_tcp_data_p(buf,plen,PSTR("\n"));
*/
plen=fill_tcp_data_p(buf,plen,PSTR("Num of PD6 to GND connections: "));
// convert number to string:
itoa(contact_onoff_cnt,vstr,10);
plen=fill_tcp_data(buf,plen,vstr);
plen=fill_tcp_data_p(buf,plen,PSTR("\nNum of identi.ca attempts: "));
// convert number to string:
itoa(web_client_attempts,vstr,10);
plen=fill_tcp_data(buf,plen,vstr);
plen=fill_tcp_data_p(buf,plen,PSTR("\nNum successful identi.ca: "));
// convert number to string:
itoa(web_client_sendok,vstr,10);
plen=fill_tcp_data(buf,plen,vstr);
plen=fill_tcp_data_p(buf,plen,PSTR("\nDate of last identi.ca: "));
plen=fill_tcp_data(buf,plen,datebuf);
plen=fill_tcp_data_p(buf,plen,PSTR("\nTwitter notify is: "));
if (start_web_client==4){
plen=fill_tcp_data_p(buf,plen,PSTR("OFF"));
}else{
plen=fill_tcp_data_p(buf,plen,PSTR("ON"));
}
plen=fill_tcp_data_p(buf,plen,PSTR("\n<form action=/ method=get>\npassw: <input type=password size=8 name=pw><input type=hidden name=mn "));
if (start_web_client==4){
plen=fill_tcp_data_p(buf,plen,PSTR("value=1><input type=submit value=\"enable identi.ca msg\">"));
}else{
plen=fill_tcp_data_p(buf,plen,PSTR("value=0><input type=submit value=\"disable identi.ca msg\">"));
}
plen=fill_tcp_data_p(buf,plen,PSTR("</form>\n</pre><br><hr>tuxgraphics.org"));
return(plen);
}
int main(void){
uint16_t dat_p;
int8_t cmd;
// Set the clock speed to "no pre-scaler" (8MHz with internal osc or
// full external speed)
// set the clock prescaler. First write CLKPCE to enable setting
// of clock the next four instructions.
// Note that the CKDIV8 Fuse determines the initial
// value of the CKKPS bits.
CLKPR=(1<<CLKPCE); // change enable
CLKPR=0; // "no pre-scaler"
_delay_loop_1(0); // 60us
/*initialize enc28j60*/
enc28j60Init(mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(0); // 60us
/* Magjack leds configuration, see enc28j60 datasheet, page 11 */
// LEDB=yellow LEDA=green
//
// 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit
// enc28j60PhyWrite(PHLCON,0b0000 0100 0111 01 10);
enc28j60PhyWrite(PHLCON,0x476);
DDRB|= (1<<DDB1); // LED, enable PB1, LED as output
LEDOFF;
DDRD&= ~(1<<DDD6); // enable PB6, as input
PORTD|= (1<<PIND6); // internal pullup resistor on
init_cnt2();
sei();
//init the web server ethernet/ip layer:
init_ip_arp_udp_tcp(mymac,myip,MYWWWPORT);
// init the web client:
client_set_gwip(gwip); // e.g internal IP of dsl router
client_set_wwwip(websrvip);
//
while(1){
// handle ping and wait for a tcp packet
dat_p=packetloop_icmp_tcp(buf,enc28j60PacketReceive(BUFFER_SIZE, buf));
if(dat_p==0){
if (start_web_client==1){
LEDON;
start_web_client=2;
sec=0;
web_client_attempts++;
// the text to send in the body of the mail:
urlencode("The door is open",urlvarstr);
// The string "test+emailnotify" is the subject line
// of the email. A plus sign translates into a space character.
// The MMaccountID is gus123, edit and replace by your own.
client_browse_url(PSTR("/cgi-bin/mm?a=gus123&s=test+emailnotify&d="),urlvarstr,PSTR(WEBSERVER_VHOST),&browserresult_callback);
}
// count how often the switch was triggered at all:
if (contact_debounce==0 && bit_is_clear(PIND,PIND6)){
contact_onoff_cnt++;
contact_debounce=1;
}
// we send only an email if we are in the right state (do
// not flood with email):
if (start_web_client==0 && bit_is_clear(PIND,PIND6)){
resend=1; // resend once if it failed
start_web_client=1;
}
// Reset after a delay of 3 min to prevent email sending.
// We reset only if the contact on PD6 was released.
if (start_web_client<=3 && sec==180 && !bit_is_clear(PIND,PIND6)){
start_web_client=0;
}
// Resend the email if it failed:
if (start_web_client==2 && sec==7 && resend){
start_web_client=1;
resend--;
}
continue;
}
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
// head, post and other methods:
//
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
dat_p=http200ok();
dat_p=fill_tcp_data_p(buf,dat_p,PSTR("<h1>200 OK</h1>"));
goto SENDTCP;
}
cmd=analyse_get_url((char *)&(buf[dat_p+4]));
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
if (cmd==-1){
dat_p=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
goto SENDTCP;
}
if (cmd==1 && start_web_client==4){
// email was off, switch on
start_web_client=0;
}
if (cmd==0 ){
start_web_client=4; // email off
}
dat_p=http200ok();
dat_p=print_webpage(buf);
//
SENDTCP:
www_server_reply(buf,dat_p); // send data
}
return (0);
}
// prepare the webpage by writing the data to the tcp send buffer
uint16_t print_webpage(uint8_t *buf)
{
uint16_t plen;
char vstr[5];
plen=http200ok();
plen=fill_tcp_data_p(buf,plen,PSTR("<h2>Email notification status</h2>\n<pre>\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("Number of PD6 to GND connections: "));
// convert number to string:
itoa(contact_onoff_cnt,vstr,10);
plen=fill_tcp_data(buf,plen,vstr);
plen=fill_tcp_data_p(buf,plen,PSTR("\nNumber of email attempts: "));
// convert number to string:
itoa(web_client_attempts,vstr,10);
plen=fill_tcp_data(buf,plen,vstr);
plen=fill_tcp_data_p(buf,plen,PSTR("\nNumber successful emails: "));
// convert number to string:
itoa(web_client_sendok,vstr,10);
plen=fill_tcp_data(buf,plen,vstr);
plen=fill_tcp_data_p(buf,plen,PSTR("\nDate of last mail: "));
plen=fill_tcp_data(buf,plen,datebuf);
plen=fill_tcp_data_p(buf,plen,PSTR("\nEmail notify is: "));
if (start_web_client==4){
plen=fill_tcp_data_p(buf,plen,PSTR("OFF"));
}else{
plen=fill_tcp_data_p(buf,plen,PSTR("ON"));
}
plen=fill_tcp_data_p(buf,plen,PSTR("\n<form action=/ method=get>\npassw: <input type=password size=8 name=pw><input type=hidden name=mn "));
if (start_web_client==4){
plen=fill_tcp_data_p(buf,plen,PSTR("value=1><input type=submit value=\"enable email\">"));
}else{
plen=fill_tcp_data_p(buf,plen,PSTR("value=0><input type=submit value=\"disable email\">"));
}
plen=fill_tcp_data_p(buf,plen,PSTR("</form>\n</pre><br><hr>tuxgraphics.org"));
return(plen);
}
int simple_server(void)
{
unsigned int plen;
unsigned int dat_p;
unsigned char i=0;
unsigned char cmd_pos=0;
unsigned char cmd;
unsigned char payloadlen=0;
char str[30];
char cmdval;
// Del_1ms(100);
/*initialize enc28j60*/
enc28j60Init(mymac);
init_ip_arp_udp_tcp(mymac,myip,mywwwport);
//ָʾµÆ״̬:0x476 is PHLCON LEDA(ÂÌ)=links status, LEDB(ºì)=receive/transmit
enc28j60PhyWrite(PHLCON,0x7a4);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
// Del_1ms(20);
//init the ethernet/ip layer:
while(1)
{
// OSTimeDlyHMSM(0, 0, 0, 50);
// get the next new packet:
plen = enc28j60PacketReceive(BUFFER_SIZE, buf);
//USART_DMASendData(USART1,buf,plen);
/*plen will ne unequal to zero if there is a valid packet (without crc error) */
if(plen==0)
{
continue;
}
// arp is broadcast if unknown but a host may also
// verify the mac address by sending it to
// a unicast address.
if(eth_type_is_arp_and_my_ip(buf,plen))
{
make_arp_answer_from_request(buf);
//USART_DMASendText(USART1,"make_arp_answer_from_request\n");
continue;
}
// check if ip packets are for us:
if(eth_type_is_ip_and_my_ip(buf,plen)==0)
{
continue;
}
if(buf[IP_PROTO_P]==IP_PROTO_ICMP_V && buf[ICMP_TYPE_P]==ICMP_TYPE_ECHOREQUEST_V)
{
// a ping packet, let's send pong
make_echo_reply_from_request(buf, plen);
//USART_DMASendText(USART1,"make_echo_reply_from_request\n");
continue;
}
// tcp port www start, compare only the lower byte
if (buf[IP_PROTO_P]==IP_PROTO_TCP_V&&buf[TCP_DST_PORT_H_P]==0&&buf[TCP_DST_PORT_L_P]==mywwwport)
{
if (buf[TCP_FLAGS_P] & TCP_FLAGS_SYN_V)
{
make_tcp_synack_from_syn(buf);
// make_tcp_synack_from_syn does already send the syn,ack
continue;
}
if (buf[TCP_FLAGS_P] & TCP_FLAGS_ACK_V)
{
init_len_info(buf); // init some data structures
// we can possibly have no data, just ack:
dat_p=get_tcp_data_pointer();
if (dat_p==0)
{
if (buf[TCP_FLAGS_P] & TCP_FLAGS_FIN_V)
{
// finack, answer with ack
make_tcp_ack_from_any(buf);
}
// just an ack with no data, wait for next packet
continue;
}
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0)
{
// head, post and other methods:
//
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n<h1>200 OK</h1>"));
goto SENDTCP;
}
if (strncmp("/ ",(char *)&(buf[dat_p+4]),2)==0)
{
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("<p>Usage: "));
plen=fill_tcp_data(buf,plen,baseurl);
plen=fill_tcp_data_p(buf,plen,PSTR("password</p>"));
goto SENDTCP;
}
cmd=analyse_get_url((char *)&(buf[dat_p+5]));
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
if (cmd==-1)
{
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
goto SENDTCP;
}
if (cmd==1)
{
//PORTD|= (1<<PD7);// transistor on
//IOCLR |= (1<<26);
// LED1ON();
i=1;
}
if (cmd==0)
{
//PORTD &= ~(1<<PD7);// transistor off
//IOSET |= (1<<26);
// LED1OFF();
i=0;
}
// if (cmd==-2) or any other value
// just display the status:
plen=print_webpage(buf,(i));
SENDTCP:
make_tcp_ack_from_any(buf); // send ack for http get
make_tcp_ack_with_data(buf,plen); // send data
continue;
}
}
// tcp port www end
//
// udp start, we listen on udp port 1200=0x4B0
if (buf[IP_PROTO_P]==IP_PROTO_UDP_V&&buf[UDP_DST_PORT_H_P]==4&&buf[UDP_DST_PORT_L_P]==0xb0)
{
payloadlen=buf[UDP_LEN_L_P]-UDP_HEADER_LEN;
// you must sent a string starting with v
// e.g udpcom version 10.0.0.24
if (verify_password((char *)&(buf[UDP_DATA_P])))
{
// find the first comma which indicates
// the start of a command:
cmd_pos=0;
while(cmd_pos<payloadlen)
{
cmd_pos++;
if (buf[UDP_DATA_P+cmd_pos]==',')
{
cmd_pos++; // put on start of cmd
break;
}
}
// a command is one char and a value. At
// least 3 characters long. It has an '=' on
// position 2:
if (cmd_pos<2 || cmd_pos>payloadlen-3 || buf[UDP_DATA_P+cmd_pos+1]!='=')
{
strcpy(str,"e=no_cmd");
goto ANSWER;
}
// supported commands are
// t=1 t=0 t=?
if (buf[UDP_DATA_P+cmd_pos]=='t')
{
cmdval=buf[UDP_DATA_P+cmd_pos+2];
if(cmdval=='1')
{
//PORTD|= (1<<PD7);// transistor on
//IOCLR |= (1<<26);
//LED1ON();
strcpy(str,"t=1");
goto ANSWER;
}
else if(cmdval=='0')
{
//PORTD &= ~(1<<PD7);// transistor off
//IOSET |= (1<<26);
//LED1OFF();
strcpy(str,"t=0");
goto ANSWER;
}
else if(cmdval=='?')
{
/*
if (IOPIN & (1<<26))
{
strcpy(str,"t=1");
goto ANSWER;
}
*/
strcpy(str,"t=0");
goto ANSWER;
}
}
strcpy(str,"e=no_such_cmd");
goto ANSWER;
}
strcpy(str,"e=invalid_pw");
ANSWER:
make_udp_reply_from_request(buf,str,strlen(str),myudpport);
}
}
// return (0);
}
