#include "etherShield.h" // please modify the following two lines. mac and ip have to be unique // in your local area network. You can not have the same numbers in // two devices: static uint8_t mymac[6] = {0x54,0x55,0x58,0x10,0x00,0x24}; static uint8_t myip[4] = {10,0,1,6}; static char baseurl[]="http://10.0.1.6/"; static uint16_t mywwwport =80; // listen port for tcp/www (max range 1-254) // or on a different port: //static char baseurl[]="http://10.0.0.24:88/"; //static uint16_t mywwwport =88; // listen port for tcp/www (max range 1-254) // #define BUFFER_SIZE 500 static uint8_t buf[BUFFER_SIZE+1]; #define STR_BUFFER_SIZE 22 static char strbuf[STR_BUFFER_SIZE+1]; EtherShield es=EtherShield(); // prepare the webpage by writing the data to the tcp send buffer uint16_t print_webpage(uint8_t *buf); int8_t analyse_cmd(char *str); // get current temperature #define TEMP_PIN 9 void getCurrentTemp( int *sign, int *whole, int *fract); void setup(){ /*initialize enc28j60*/ es.ES_enc28j60Init(mymac); es.ES_enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz delay(10); /* Magjack leds configuration, see enc28j60 datasheet, page 11 */ // LEDA=greed LEDB=yellow // // 0x880 is PHLCON LEDB=on, LEDA=on // enc28j60PhyWrite(PHLCON,0b0000 1000 1000 00 00); es.ES_enc28j60PhyWrite(PHLCON,0x880); delay(500); // // 0x990 is PHLCON LEDB=off, LEDA=off // enc28j60PhyWrite(PHLCON,0b0000 1001 1001 00 00); es.ES_enc28j60PhyWrite(PHLCON,0x990); delay(500); // // 0x880 is PHLCON LEDB=on, LEDA=on // enc28j60PhyWrite(PHLCON,0b0000 1000 1000 00 00); es.ES_enc28j60PhyWrite(PHLCON,0x880); delay(500); // // 0x990 is PHLCON LEDB=off, LEDA=off // enc28j60PhyWrite(PHLCON,0b0000 1001 1001 00 00); es.ES_enc28j60PhyWrite(PHLCON,0x990); delay(500); // // 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit // enc28j60PhyWrite(PHLCON,0b0000 0100 0111 01 10); es.ES_enc28j60PhyWrite(PHLCON,0x476); delay(100); //init the ethernet/ip layer: es.ES_init_ip_arp_udp_tcp(mymac,myip,80); // initialize DS18B20 datapin digitalWrite(TEMP_PIN, LOW); pinMode(TEMP_PIN, INPUT); // sets the digital pin as input (logic 1) } void loop(){ uint16_t plen, dat_p; int8_t cmd; plen = es.ES_enc28j60PacketReceive(BUFFER_SIZE, buf); /*plen will ne unequal to zero if there is a valid packet (without crc error) */ if(plen!=0){ // arp is broadcast if unknown but a host may also verify the mac address by sending it to a unicast address. if(es.ES_eth_type_is_arp_and_my_ip(buf,plen)){ es.ES_make_arp_answer_from_request(buf); return; } // check if ip packets are for us: if(es.ES_eth_type_is_ip_and_my_ip(buf,plen)==0){ return; } if(buf[IP_PROTO_P]==IP_PROTO_ICMP_V && buf[ICMP_TYPE_P]==ICMP_TYPE_ECHOREQUEST_V){ es.ES_make_echo_reply_from_request(buf,plen); return; } // 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){ es.ES_make_tcp_synack_from_syn(buf); // make_tcp_synack_from_syn does already send the syn,ack return; } if (buf[TCP_FLAGS_P] & TCP_FLAGS_ACK_V){ es.ES_init_len_info(buf); // init some data structures dat_p=es.ES_get_tcp_data_pointer(); if (dat_p==0){ // we can possibly have no data, just ack: if (buf[TCP_FLAGS_P] & TCP_FLAGS_FIN_V){ es.ES_make_tcp_ack_from_any(buf); } return; } 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=es.ES_fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n