78 lines
2.8 KiB
Arduino
78 lines
2.8 KiB
Arduino
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#include <EtherCard.h>
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#define TCP_FLAGS_FIN_V 1 //as declared in net.h
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#define TCP_FLAGS_ACK_V 0x10 //as declared in net.h
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static byte myip[] = { 192,168,0,66 };
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static byte gwip[] = { 192,168,0,250 };
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static byte mymac[] = { 0x74,0x69,0x69,0x2D,0x30,0x39 };
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byte Ethernet::buffer[900]; // tcp ip send and receive buffer
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const char pageA[] PROGMEM =
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"HTTP/1.0 200 OK\r\n"
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"Content-Type: text/html\r\n"
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"\r\n"
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"<html>"
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"<head><title>"
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"multipackets Test"
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"</title></head>"
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"<body>"
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"<a href='/'>Start here</a><br>"
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"<h3>packet 1</h3>"
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"<p><em>"
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"the first packet send "
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"</em></p>"
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;
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const char pageB[] PROGMEM =
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"<h3>packet 2</h3>"
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"<p><em>"
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"if you read this it mean it works"
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"</em></p>"
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;
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const char pageC[] PROGMEM =
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"<h3>packet 3</h3>"
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"<p><em>"
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"if you read this it mean it works"
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"</em></p>"
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;
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const char pageD[] PROGMEM =
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"<h3>packet 4</h3>"
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"<p><em>"
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"if you read this it mean it works"
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"</em></p>"
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;
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const char pageE[] PROGMEM =
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"<h3>packet 5</h3>"
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"<p><em>"
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"this is the last packet"
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"</em></p>"
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;
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void setup(){
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ether.begin(sizeof Ethernet::buffer, mymac , 10);// 53 for the mega ethernet shield and 10 for normal ethernet shield
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ether.staticSetup(myip, gwip);
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}
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void loop(){
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word pos = ether.packetLoop(ether.packetReceive());
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// check if valid tcp data is received
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if (pos) {
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char* data = (char *) Ethernet::buffer + pos;
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if (strncmp("GET / ", data, 6) == 0) {
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ether.httpServerReplyAck(); // send ack to the request
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memcpy_P(ether.tcpOffset(), pageA, sizeof pageA); // send first packet and not send the terminate flag
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ether.httpServerReply_with_flags(sizeof pageA - 1,TCP_FLAGS_ACK_V);
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memcpy_P(ether.tcpOffset(), pageB, sizeof pageB); // send second packet and not send the terminate flag
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ether.httpServerReply_with_flags(sizeof pageB - 1,TCP_FLAGS_ACK_V);
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memcpy_P(ether.tcpOffset(), pageC, sizeof pageC); // send thirdt packet and not send the terminate flag
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ether.httpServerReply_with_flags(sizeof pageC - 1,TCP_FLAGS_ACK_V);
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memcpy_P(ether.tcpOffset(), pageD, sizeof pageD); // send fourth packet and not send the terminate flag
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ether.httpServerReply_with_flags(sizeof pageD - 1,TCP_FLAGS_ACK_V);
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memcpy_P(ether.tcpOffset(), pageE, sizeof pageE); // send fiveth packet and send the terminate flag
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ether.httpServerReply_with_flags(sizeof pageE - 1,TCP_FLAGS_ACK_V|TCP_FLAGS_FIN_V); }
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else
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{
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ether.httpServerReplyAck(); // send ack to the request
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memcpy_P(ether.tcpOffset(), pageA, sizeof pageA);//only the first part will sended
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ether.httpServerReply_with_flags(sizeof pageA - 1,TCP_FLAGS_ACK_V|TCP_FLAGS_FIN_V);
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}
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}
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}
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