diff options
Diffstat (limited to 'libraries/Ethernet')
22 files changed, 2519 insertions, 0 deletions
diff --git a/libraries/Ethernet/Client.cpp b/libraries/Ethernet/Client.cpp new file mode 100644 index 0000000..c6e78c4 --- /dev/null +++ b/libraries/Ethernet/Client.cpp @@ -0,0 +1,147 @@ +#include "w5100.h"
+#include "socket.h"
+
+extern "C" {
+ #include "string.h"
+}
+
+#include "WProgram.h"
+
+#include "Ethernet.h"
+#include "Client.h"
+#include "Server.h"
+
+uint16_t Client::_srcport = 1024;
+
+Client::Client(uint8_t sock) : _sock(sock) {
+}
+
+Client::Client(uint8_t *ip, uint16_t port) : _ip(ip), _port(port), _sock(MAX_SOCK_NUM) {
+}
+
+uint8_t Client::connect() {
+ if (_sock != MAX_SOCK_NUM)
+ return 0;
+
+ for (int i = 0; i < MAX_SOCK_NUM; i++) {
+ uint8_t s = W5100.readSnSR(i);
+ if (s == SnSR::CLOSED || s == SnSR::FIN_WAIT) {
+ _sock = i;
+ break;
+ }
+ }
+
+ if (_sock == MAX_SOCK_NUM)
+ return 0;
+
+ _srcport++;
+ if (_srcport == 0) _srcport = 1024;
+ socket(_sock, SnMR::TCP, _srcport, 0);
+
+ if (!::connect(_sock, _ip, _port)) {
+ _sock = MAX_SOCK_NUM;
+ return 0;
+ }
+
+ while (status() != SnSR::ESTABLISHED) {
+ delay(1);
+ if (status() == SnSR::CLOSED) {
+ _sock = MAX_SOCK_NUM;
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+void Client::write(uint8_t b) {
+ if (_sock != MAX_SOCK_NUM)
+ send(_sock, &b, 1);
+}
+
+void Client::write(const char *str) {
+ if (_sock != MAX_SOCK_NUM)
+ send(_sock, (const uint8_t *)str, strlen(str));
+}
+
+void Client::write(const uint8_t *buf, size_t size) {
+ if (_sock != MAX_SOCK_NUM)
+ send(_sock, buf, size);
+}
+
+int Client::available() {
+ if (_sock != MAX_SOCK_NUM)
+ return W5100.getRXReceivedSize(_sock);
+ return 0;
+}
+
+int Client::read() {
+ uint8_t b;
+ if (!available())
+ return -1;
+ recv(_sock, &b, 1);
+ return b;
+}
+
+int Client::peek() {
+ uint8_t b;
+ if (!available())
+ return -1;
+ ::peek(_sock, &b);
+ return b;
+}
+
+void Client::flush() {
+ while (available())
+ read();
+}
+
+void Client::stop() {
+ if (_sock == MAX_SOCK_NUM)
+ return;
+
+ // attempt to close the connection gracefully (send a FIN to other side)
+ disconnect(_sock);
+ unsigned long start = millis();
+
+ // wait a second for the connection to close
+ while (status() != SnSR::CLOSED && millis() - start < 1000)
+ delay(1);
+
+ // if it hasn't closed, close it forcefully
+ if (status() != SnSR::CLOSED)
+ close(_sock);
+
+ EthernetClass::_server_port[_sock] = 0;
+ _sock = MAX_SOCK_NUM;
+}
+
+uint8_t Client::connected() {
+ if (_sock == MAX_SOCK_NUM) return 0;
+
+ uint8_t s = status();
+ return !(s == SnSR::LISTEN || s == SnSR::CLOSED || s == SnSR::FIN_WAIT ||
+ (s == SnSR::CLOSE_WAIT && !available()));
+}
+
+uint8_t Client::status() {
+ if (_sock == MAX_SOCK_NUM) return SnSR::CLOSED;
+ return W5100.readSnSR(_sock);
+}
+
+// the next three functions are a hack so we can compare the client returned
+// by Server::available() to null, or use it as the condition in an
+// if-statement. this lets us stay compatible with the Processing network
+// library.
+
+uint8_t Client::operator==(int p) {
+ return _sock == MAX_SOCK_NUM;
+}
+
+uint8_t Client::operator!=(int p) {
+ return _sock != MAX_SOCK_NUM;
+}
+
+Client::operator bool() {
+ return _sock != MAX_SOCK_NUM;
+}
diff --git a/libraries/Ethernet/Client.h b/libraries/Ethernet/Client.h new file mode 100644 index 0000000..747d80d --- /dev/null +++ b/libraries/Ethernet/Client.h @@ -0,0 +1,37 @@ +#ifndef client_h
+#define client_h
+#include "WProgram.h"
+#include "Print.h"
+
+class Client : public Stream {
+
+public:
+ Client();
+ Client(uint8_t);
+ Client(uint8_t *, uint16_t);
+
+ uint8_t status();
+ uint8_t connect();
+ virtual void write(uint8_t);
+ virtual void write(const char *str);
+ virtual void write(const uint8_t *buf, size_t size);
+ virtual int available();
+ virtual int read();
+ virtual int peek();
+ virtual void flush();
+ void stop();
+ uint8_t connected();
+ uint8_t operator==(int);
+ uint8_t operator!=(int);
+ operator bool();
+
+ friend class Server;
+
+private:
+ static uint16_t _srcport;
+ uint8_t _sock;
+ uint8_t *_ip;
+ uint16_t _port;
+};
+
+#endif
diff --git a/libraries/Ethernet/Ethernet.cpp b/libraries/Ethernet/Ethernet.cpp new file mode 100644 index 0000000..94550ea --- /dev/null +++ b/libraries/Ethernet/Ethernet.cpp @@ -0,0 +1,36 @@ +#include "w5100.h"
+#include "Ethernet.h"
+
+// XXX: don't make assumptions about the value of MAX_SOCK_NUM.
+uint8_t EthernetClass::_state[MAX_SOCK_NUM] = {
+ 0, 0, 0, 0 };
+uint16_t EthernetClass::_server_port[MAX_SOCK_NUM] = {
+ 0, 0, 0, 0 };
+
+void EthernetClass::begin(uint8_t *mac, uint8_t *ip)
+{
+ uint8_t gateway[4];
+ gateway[0] = ip[0];
+ gateway[1] = ip[1];
+ gateway[2] = ip[2];
+ gateway[3] = 1;
+ begin(mac, ip, gateway);
+}
+
+void EthernetClass::begin(uint8_t *mac, uint8_t *ip, uint8_t *gateway)
+{
+ uint8_t subnet[] = {
+ 255, 255, 255, 0 };
+ begin(mac, ip, gateway, subnet);
+}
+
+void EthernetClass::begin(uint8_t *mac, uint8_t *ip, uint8_t *gateway, uint8_t *subnet)
+{
+ W5100.init();
+ W5100.setMACAddress(mac);
+ W5100.setIPAddress(ip);
+ W5100.setGatewayIp(gateway);
+ W5100.setSubnetMask(subnet);
+}
+
+EthernetClass Ethernet;
diff --git a/libraries/Ethernet/Ethernet.h b/libraries/Ethernet/Ethernet.h new file mode 100644 index 0000000..a83d052 --- /dev/null +++ b/libraries/Ethernet/Ethernet.h @@ -0,0 +1,25 @@ +#ifndef ethernet_h
+#define ethernet_h
+
+#include <inttypes.h>
+//#include "w5100.h"
+#include "Client.h"
+#include "Server.h"
+
+#define MAX_SOCK_NUM 4
+
+class EthernetClass {
+private:
+public:
+ static uint8_t _state[MAX_SOCK_NUM];
+ static uint16_t _server_port[MAX_SOCK_NUM];
+ void begin(uint8_t *, uint8_t *);
+ void begin(uint8_t *, uint8_t *, uint8_t *);
+ void begin(uint8_t *, uint8_t *, uint8_t *, uint8_t *);
+ friend class Client;
+ friend class Server;
+};
+
+extern EthernetClass Ethernet;
+
+#endif
diff --git a/libraries/Ethernet/Server.cpp b/libraries/Ethernet/Server.cpp new file mode 100644 index 0000000..1dae40c --- /dev/null +++ b/libraries/Ethernet/Server.cpp @@ -0,0 +1,92 @@ +#include "w5100.h"
+#include "socket.h"
+extern "C" {
+#include "string.h"
+}
+
+#include "Ethernet.h"
+#include "Client.h"
+#include "Server.h"
+
+Server::Server(uint16_t port)
+{
+ _port = port;
+}
+
+void Server::begin()
+{
+ for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
+ Client client(sock);
+ if (client.status() == SnSR::CLOSED) {
+ socket(sock, SnMR::TCP, _port, 0);
+ listen(sock);
+ EthernetClass::_server_port[sock] = _port;
+ break;
+ }
+ }
+}
+
+void Server::accept()
+{
+ int listening = 0;
+
+ for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
+ Client client(sock);
+
+ if (EthernetClass::_server_port[sock] == _port) {
+ if (client.status() == SnSR::LISTEN) {
+ listening = 1;
+ }
+ else if (client.status() == SnSR::CLOSE_WAIT && !client.available()) {
+ client.stop();
+ }
+ }
+ }
+
+ if (!listening) {
+ begin();
+ }
+}
+
+Client Server::available()
+{
+ accept();
+
+ for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
+ Client client(sock);
+ if (EthernetClass::_server_port[sock] == _port &&
+ (client.status() == SnSR::ESTABLISHED ||
+ client.status() == SnSR::CLOSE_WAIT)) {
+ if (client.available()) {
+ // XXX: don't always pick the lowest numbered socket.
+ return client;
+ }
+ }
+ }
+
+ return Client(MAX_SOCK_NUM);
+}
+
+void Server::write(uint8_t b)
+{
+ write(&b, 1);
+}
+
+void Server::write(const char *str)
+{
+ write((const uint8_t *)str, strlen(str));
+}
+
+void Server::write(const uint8_t *buffer, size_t size)
+{
+ accept();
+
+ for (int sock = 0; sock < MAX_SOCK_NUM; sock++) {
+ Client client(sock);
+
+ if (EthernetClass::_server_port[sock] == _port &&
+ client.status() == SnSR::ESTABLISHED) {
+ client.write(buffer, size);
+ }
+ }
+}
diff --git a/libraries/Ethernet/Server.h b/libraries/Ethernet/Server.h new file mode 100644 index 0000000..a78a4ae --- /dev/null +++ b/libraries/Ethernet/Server.h @@ -0,0 +1,22 @@ +#ifndef server_h
+#define server_h
+
+#include "Print.h"
+
+class Client;
+
+class Server :
+public Print {
+private:
+ uint16_t _port;
+ void accept();
+public:
+ Server(uint16_t);
+ Client available();
+ void begin();
+ virtual void write(uint8_t);
+ virtual void write(const char *str);
+ virtual void write(const uint8_t *buf, size_t size);
+};
+
+#endif
diff --git a/libraries/Ethernet/Udp.cpp b/libraries/Ethernet/Udp.cpp new file mode 100644 index 0000000..e4185f6 --- /dev/null +++ b/libraries/Ethernet/Udp.cpp @@ -0,0 +1,136 @@ +/*
+ * Udp.cpp: Library to send/receive UDP packets with the Arduino ethernet shield.
+ * This version only offers minimal wrapping of socket.c/socket.h
+ * Drop Udp.h/.cpp into the Ethernet library directory at hardware/libraries/Ethernet/
+ *
+ * MIT License:
+ * Copyright (c) 2008 Bjoern Hartmann
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * bjoern@cs.stanford.edu 12/30/2008
+ */
+
+#include "w5100.h"
+#include "socket.h"
+#include "Ethernet.h"
+#include "Udp.h"
+
+/* Start UDP socket, listening at local port PORT */
+void UdpClass::begin(uint16_t port) {
+ _port = port;
+ _sock = 0; //TODO: should not be hardcoded
+ socket(_sock, SnMR::UDP, _port, 0);
+}
+
+/* Send packet contained in buf of length len to peer at specified ip, and port */
+/* Use this function to transmit binary data that might contain 0x00 bytes*/
+/* This function returns sent data size for success else -1. */
+uint16_t UdpClass::sendPacket(uint8_t * buf, uint16_t len, uint8_t * ip, uint16_t port){
+ return sendto(_sock,(const uint8_t *)buf,len,ip,port);
+}
+
+/* Send zero-terminated string str as packet to peer at specified ip, and port */
+/* This function returns sent data size for success else -1. */
+uint16_t UdpClass::sendPacket(const char str[], uint8_t * ip, uint16_t port){
+ // compute strlen
+ const char *s;
+ for(s = str; *s; ++s);
+ uint16_t len = (s-str);
+ // send packet
+ return sendto(_sock,(const uint8_t *)str,len,ip,port);
+}
+/* Is data available in rx buffer? Returns 0 if no, number of available bytes if yes.
+ * returned value includes 8 byte UDP header!*/
+int UdpClass::available() {
+ return W5100.getRXReceivedSize(_sock);
+}
+
+
+/* Read a received packet into buffer buf (which is of maximum length len); */
+/* store calling ip and port as well. Call available() to make sure data is ready first. */
+/* NOTE: I don't believe len is ever checked in implementation of recvfrom(),*/
+/* so it's easy to overflow buffer. so we check and truncate. */
+/* returns number of bytes read, or negative number of bytes we would have needed if we truncated */
+int UdpClass::readPacket(uint8_t * buf, uint16_t bufLen, uint8_t *ip, uint16_t *port) {
+ int packetLen = available()-8; //skip UDP header;
+ if(packetLen < 0 ) return 0; // no real data here
+ if(packetLen > (int)bufLen) {
+ //packet is too large - truncate
+ //HACK - hand-parse the UDP packet using TCP recv method
+ uint8_t tmpBuf[8];
+ int i;
+ //read 8 header bytes and get IP and port from it
+ recv(_sock,tmpBuf,8);
+ ip[0] = tmpBuf[0];
+ ip[1] = tmpBuf[1];
+ ip[2] = tmpBuf[2];
+ ip[3] = tmpBuf[3];
+ *port = tmpBuf[4];
+ *port = (*port << 8) + tmpBuf[5];
+
+ //now copy first (bufLen) bytes into buf
+ for(i=0;i<(int)bufLen;i++) {
+ recv(_sock,tmpBuf,1);
+ buf[i]=tmpBuf[0];
+ }
+
+ //and just read the rest byte by byte and throw it away
+ while(available()) {
+ recv(_sock,tmpBuf,1);
+ }
+
+ return (-1*packetLen);
+
+ //ALTERNATIVE: requires stdlib - takes a bunch of space
+ /*//create new buffer and read everything into it
+ uint8_t * tmpBuf = (uint8_t *)malloc(packetLen);
+ recvfrom(_sock,tmpBuf,packetLen,ip,port);
+ if(!tmpBuf) return 0; //couldn't allocate
+ // copy first bufLen bytes
+ for(unsigned int i=0; i<bufLen; i++) {
+ buf[i]=tmpBuf[i];
+ }
+ //free temp buffer
+ free(tmpBuf);
+ */
+
+
+ }
+ return recvfrom(_sock,buf,bufLen,ip,port);
+}
+
+/* Read a received packet, throw away peer's ip and port. See note above. */
+int UdpClass::readPacket(uint8_t * buf, uint16_t len) {
+ uint8_t ip[4];
+ uint16_t port[1];
+ return recvfrom(_sock,buf,len,ip,port);
+}
+
+int UdpClass::readPacket(char * buf, uint16_t bufLen, uint8_t *ip, uint16_t &port) {
+uint16_t myPort;
+uint16_t ret = readPacket( (byte*)buf, bufLen, ip, &myPort);
+port = myPort;
+return ret;
+}
+
+
+
+
+/* Create one global object */
+UdpClass Udp;
diff --git a/libraries/Ethernet/Udp.h b/libraries/Ethernet/Udp.h new file mode 100644 index 0000000..9404390 --- /dev/null +++ b/libraries/Ethernet/Udp.h @@ -0,0 +1,63 @@ +/*
+ * Udp.cpp: Library to send/receive UDP packets with the Arduino ethernet shield.
+ * This version only offers minimal wrapping of socket.c/socket.h
+ * Drop Udp.h/.cpp into the Ethernet library directory at hardware/libraries/Ethernet/
+ *
+ * NOTE: UDP is fast, but has some important limitations (thanks to Warren Gray for mentioning these)
+ * 1) UDP does not guarantee the order in which assembled UDP packets are received. This
+ * might not happen often in practice, but in larger network topologies, a UDP
+ * packet can be received out of sequence.
+ * 2) UDP does not guard against lost packets - so packets *can* disappear without the sender being
+ * aware of it. Again, this may not be a concern in practice on small local networks.
+ * For more information, see http://www.cafeaulait.org/course/week12/35.html
+ *
+ * MIT License:
+ * Copyright (c) 2008 Bjoern Hartmann
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * bjoern@cs.stanford.edu 12/30/2008
+ */
+
+#ifndef udp_h
+#define udp_h
+
+#define UDP_TX_PACKET_MAX_SIZE 24
+
+class UdpClass {
+private:
+ uint8_t _sock; // socket ID for Wiz5100
+ uint16_t _port; // local port to listen on
+
+public:
+ void begin(uint16_t); // initialize, start listening on specified port
+ int available(); // has data been received?
+
+ // C-style buffer-oriented functions
+ uint16_t sendPacket(uint8_t *, uint16_t, uint8_t *, uint16_t); //send a packet to specified peer
+ uint16_t sendPacket(const char[], uint8_t *, uint16_t); //send a string as a packet to specified peer
+ int readPacket(uint8_t *, uint16_t); // read a received packet
+ int readPacket(uint8_t *, uint16_t, uint8_t *, uint16_t *); // read a received packet, also return sender's ip and port
+ // readPacket that fills a character string buffer
+ int readPacket(char *, uint16_t, uint8_t *, uint16_t &);
+
+};
+
+extern UdpClass Udp;
+
+#endif
diff --git a/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.pde b/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.pde new file mode 100644 index 0000000..5414c8e --- /dev/null +++ b/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.pde @@ -0,0 +1,225 @@ +/*
+ SCP1000 Barometric Pressure Sensor Display
+
+ Serves the output of a Barometric Pressure Sensor as a web page.
+ Uses the SPI library. For details on the sensor, see:
+ http://www.sparkfun.com/commerce/product_info.php?products_id=8161
+ http://www.vti.fi/en/support/obsolete_products/pressure_sensors/
+
+ This sketch adapted from Nathan Seidle's SCP1000 example for PIC:
+ http://www.sparkfun.com/datasheets/Sensors/SCP1000-Testing.zip
+
+ Circuit:
+ SCP1000 sensor attached to pins 6,7, and 11 - 13:
+ DRDY: pin 6
+ CSB: pin 7
+ MOSI: pin 11
+ MISO: pin 12
+ SCK: pin 13
+
+ created 31 July 2010
+ by Tom Igoe
+ */
+
+#include <Ethernet.h>
+// the sensor communicates using SPI, so include the library:
+#include <SPI.h>
+
+
+// assign a MAC address for the ethernet controller.
+// fill in your address here:
+byte mac[] = {
+ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};
+// assign an IP address for the controller:
+byte ip[] = {
+ 192,168,1,20 };
+byte gateway[] = {
+ 192,168,1,1};
+byte subnet[] = {
+ 255, 255, 255, 0 };
+
+
+// Initialize the Ethernet server library
+// with the IP address and port you want to use
+// (port 80 is default for HTTP):
+Server server(80);
+
+
+//Sensor's memory register addresses:
+const int PRESSURE = 0x1F; //3 most significant bits of pressure
+const int PRESSURE_LSB = 0x20; //16 least significant bits of pressure
+const int TEMPERATURE = 0x21; //16 bit temperature reading
+
+// pins used for the connection with the sensor
+// the others you need are controlled by the SPI library):
+const int dataReadyPin = 6;
+const int chipSelectPin = 7;
+
+float temperature = 0.0;
+long pressure = 0;
+long lastReadingTime = 0;
+
+void setup() {
+ // start the SPI library:
+ SPI.begin();
+
+ // start the Ethernet connection and the server:
+ Ethernet.begin(mac, ip);
+ server.begin();
+
+ // initalize the data ready and chip select pins:
+ pinMode(dataReadyPin, INPUT);
+ pinMode(chipSelectPin, OUTPUT);
+
+ Serial.begin(9600);
+
+ //Configure SCP1000 for low noise configuration:
+ writeRegister(0x02, 0x2D);
+ writeRegister(0x01, 0x03);
+ writeRegister(0x03, 0x02);
+
+ // give the sensor and Ethernet shield time to set up:
+ delay(1000);
+
+ //Set the sensor to high resolution mode tp start readings:
+ writeRegister(0x03, 0x0A);
+
+}
+
+void loop() {
+ // check for a reading no more than once a second.
+ if (millis() - lastReadingTime > 1000){
+ // if there's a reading ready, read it:
+ // don't do anything until the data ready pin is high:
+ if (digitalRead(dataReadyPin) == HIGH) {
+ getData();
+ // timestamp the last time you got a reading:
+ lastReadingTime = millis();
+ }
+ }
+
+ // listen for incoming Ethernet connections:
+ listenForClients();
+}
+
+
+void getData() {
+ Serial.println("Getting reading");
+ //Read the temperature data
+ int tempData = readRegister(0x21, 2);
+
+ // convert the temperature to celsius and display it:
+ temperature = (float)tempData / 20.0;
+
+ //Read the pressure data highest 3 bits:
+ byte pressureDataHigh = readRegister(0x1F, 1);
+ pressureDataHigh &= 0b00000111; //you only needs bits 2 to 0
+
+ //Read the pressure data lower 16 bits:
+ unsigned int pressureDataLow = readRegister(0x20, 2);
+ //combine the two parts into one 19-bit number:
+ pressure = ((pressureDataHigh << 16) | pressureDataLow)/4;
+
+ Serial.print("Temperature: ");
+ Serial.print(temperature);
+ Serial.println(" degrees C");
+ Serial.print("Pressure: " + String(pressure));
+ Serial.println(" Pa");
+}
+
+void listenForClients() {
+ // listen for incoming clients
+ Client client = server.available();
+ if (client) {
+ Serial.println("Got a client");
+ // an http request ends with a blank line
+ boolean currentLineIsBlank = true;
+ while (client.connected()) {
+ if (client.available()) {
+ char c = client.read();
+ // if you've gotten to the end of the line (received a newline
+ // character) and the line is blank, the http request has ended,
+ // so you can send a reply
+ if (c == '\n' && currentLineIsBlank) {
+ // send a standard http response header
+ client.println("HTTP/1.1 200 OK");
+ client.println("Content-Type: text/html");
+ client.println();
+ // print the current readings, in HTML format:
+ client.print("Temperature: ");
+ client.print(temperature);
+ client.print(" degrees C");
+ client.println("<br />");
+ client.print("Pressure: " + String(pressure));
+ client.print(" Pa");
+ client.println("<br />");
+ break;
+ }
+ if (c == '\n') {
+ // you're starting a new line
+ currentLineIsBlank = true;
+ }
+ else if (c != '\r') {
+ // you've gotten a character on the current line
+ currentLineIsBlank = false;
+ }
+ }
+ }
+ // give the web browser time to receive the data
+ delay(1);
+ // close the connection:
+ client.stop();
+ }
+}
+
+
+//Send a write command to SCP1000
+void writeRegister(byte registerName, byte registerValue) {
+ // SCP1000 expects the register name in the upper 6 bits
+ // of the byte:
+ registerName <<= 2;
+ // command (read or write) goes in the lower two bits:
+ registerName |= 0b00000010; //Write command
+
+ // take the chip select low to select the device:
+ digitalWrite(chipSelectPin, LOW);
+
+ SPI.transfer(registerName); //Send register location
+ SPI.transfer(registerValue); //Send value to record into register
+
+ // take the chip select high to de-select:
+ digitalWrite(chipSelectPin, HIGH);
+}
+
+
+//Read register from the SCP1000:
+unsigned int readRegister(byte registerName, int numBytes) {
+ byte inByte = 0; // incoming from the SPI read
+ unsigned int result = 0; // result to return
+
+ // SCP1000 expects the register name in the upper 6 bits
+ // of the byte:
+ registerName <<= 2;
+ // command (read or write) goes in the lower two bits:
+ registerName &= 0b11111100; //Read command
+
+ // take the chip select low to select the device:
+ digitalWrite(chipSelectPin, LOW);
+ // send the device the register you want to read:
+ int command = SPI.transfer(registerName);
+ // send a value of 0 to read the first byte returned:
+ inByte = SPI.transfer(0x00);
+
+ result = inByte;
+ // if there's more than one byte returned,
+ // shift the first byte then get the second byte:
+ if (numBytes > 1){
+ result = inByte << 8;
+ inByte = SPI.transfer(0x00);
+ result = result |inByte;
+ }
+ // take the chip select high to de-select:
+ digitalWrite(chipSelectPin, HIGH);
+ // return the result:
+ return(result);
+}
diff --git a/libraries/Ethernet/examples/ChatServer/ChatServer.pde b/libraries/Ethernet/examples/ChatServer/ChatServer.pde new file mode 100644 index 0000000..7631e73 --- /dev/null +++ b/libraries/Ethernet/examples/ChatServer/ChatServer.pde @@ -0,0 +1,63 @@ +/*
+ Chat Server
+
+ A simple server that distributes any incoming messages to all
+ connected clients. To use telnet to your device's IP address and type.
+ You can see the client's input in the serial monitor as well.
+ Using an Arduino Wiznet Ethernet shield.
+
+ Circuit:
+ * Ethernet shield attached to pins 10, 11, 12, 13
+ * Analog inputs attached to pins A0 through A5 (optional)
+
+ created 18 Dec 2009
+ by David A. Mellis
+ modified 10 August 2010
+ by Tom Igoe
+
+ */
+
+#include <SPI.h>
+#include <Ethernet.h>
+
+// Enter a MAC address and IP address for your controller below.
+// The IP address will be dependent on your local network.
+// gateway and subnet are optional:
+byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+byte ip[] = { 192,168,1, 177 };
+byte gateway[] = { 192,168,1, 1 };
+byte subnet[] = { 255, 255, 0, 0 };
+
+// telnet defaults to port 23
+Server server(23);
+boolean gotAMessage = false; // whether or not you got a message from the client yet
+
+void setup() {
+ // initialize the ethernet device
+ Ethernet.begin(mac, ip, gateway, subnet);
+ // start listening for clients
+ server.begin();
+ // open the serial port
+ Serial.begin(9600);
+}
+
+void loop() {
+ // wait for a new client:
+ Client client = server.available();
+
+ // when the client sends the first byte, say hello:
+ if (client) {
+ if (!gotAMessage) {
+ Serial.println("We have a new client");
+ client.println("Hello, client!");
+ gotAMessage = true;
+ }
+
+ // read the bytes incoming from the client:
+ char thisChar = client.read();
+ // echo the bytes back to the client:
+ server.write(thisChar);
+ // echo the bytes to the server as well:
+ Serial.print(thisChar);
+ }
+}
\ No newline at end of file diff --git a/libraries/Ethernet/examples/PachubeClient/PachubeClient.pde b/libraries/Ethernet/examples/PachubeClient/PachubeClient.pde new file mode 100644 index 0000000..10c08a2 --- /dev/null +++ b/libraries/Ethernet/examples/PachubeClient/PachubeClient.pde @@ -0,0 +1,139 @@ +/*
+ Pachube sensor client
+
+ This sketch connects an analog sensor to Pachube (http://www.pachube.com)
+ using a Wiznet Ethernet shield. You can use the Arduino Ethernet shield, or
+ the Adafruit Ethernet shield, either one will work, as long as it's got
+ a Wiznet Ethernet module on board.
+
+ Circuit:
+ * Analog sensor attached to analog in 0
+ * Ethernet shield attached to pins 10, 11, 12, 13
+
+ created 15 March 2010
+ updated 4 Sep 2010
+ by Tom Igoe
+
+ http://www.tigoe.net/pcomp/code/category/arduinowiring/873
+ This code is in the public domain.
+
+ */
+
+#include <SPI.h>
+#include <Ethernet.h>
+
+// assign a MAC address for the ethernet controller.
+// fill in your address here:
+byte mac[] = {
+ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};
+// assign an IP address for the controller:
+byte ip[] = {
+ 192,169,1,20 };
+byte gateway[] = {
+ 192,168,1,1};
+byte subnet[] = {
+ 255, 255, 255, 0 };
+
+// The address of the server you want to connect to (pachube.com):
+byte server[] = {
+ 209,40,205,190 };
+
+// initialize the library instance:
+Client client(server, 80);
+
+long lastConnectionTime = 0; // last time you connected to the server, in milliseconds
+boolean lastConnected = false; // state of the connection last time through the main loop
+const int postingInterval = 10000; //delay between updates to Pachube.com
+
+void setup() {
+ // start the ethernet connection and serial port:
+ Ethernet.begin(mac, ip);
+ Serial.begin(9600);
+ // give the ethernet module time to boot up:
+ delay(1000);
+}
+
+void loop() {
+ // read the analog sensor:
+ int sensorReading = analogRead(A0);
+
+ // if there's incoming data from the net connection.
+ // send it out the serial port. This is for debugging
+ // purposes only:
+ if (client.available()) {
+ char c = client.read();
+ Serial.print(c);
+ }
+
+ // if there's no net connection, but there was one last time
+ // through the loop, then stop the client:
+ if (!client.connected() && lastConnected) {
+ Serial.println();
+ Serial.println("disconnecting.");
+ client.stop();
+ }
+
+ // if you're not connected, and ten seconds have passed since
+ // your last connection, then connect again and send data:
+ if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) {
+ sendData(sensorReading);
+ }
+ // store the state of the connection for next time through
+ // the loop:
+ lastConnected = client.connected();
+}
+
+// this method makes a HTTP connection to the server:
+void sendData(int thisData) {
+ // if there's a successful connection:
+ if (client.connect()) {
+ Serial.println("connecting...");
+ // send the HTTP PUT request.
+ // fill in your feed address here:
+ client.print("PUT /api/YOUR_FEED_HERE.csv HTTP/1.1\n");
+ client.print("Host: www.pachube.com\n");
+ // fill in your Pachube API key here:
+ client.print("X-PachubeApiKey: YOUR_KEY_HERE\n");
+ client.print("Content-Length: ");
+
+ // calculate the length of the sensor reading in bytes:
+ int thisLength = getLength(thisData);
+ client.println(thisLength, DEC);
+
+ // last pieces of the HTTP PUT request:
+ client.print("Content-Type: text/csv\n");
+ client.println("Connection: close\n");
+
+ // here's the actual content of the PUT request:
+ client.println(thisData, DEC);
+
+ // note the time that the connection was made:
+ lastConnectionTime = millis();
+ }
+ else {
+ // if you couldn't make a connection:
+ Serial.println("connection failed");
+ }
+}
+
+
+// This method calculates the number of digits in the
+// sensor reading. Since each digit of the ASCII decimal
+// representation is a byte, the number of digits equals
+// the number of bytes:
+
+int getLength(int someValue) {
+ // there's at least one byte:
+ int digits = 1;
+ // continually divide the value by ten,
+ // adding one to the digit count for each
+ // time you divide, until you're at 0:
+ int dividend = someValue /10;
+ while (dividend > 0) {
+ dividend = dividend /10;
+ digits++;
+ }
+ // return the number of digits:
+ return digits;
+}
+
diff --git a/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.pde b/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.pde new file mode 100644 index 0000000..c6608b4 --- /dev/null +++ b/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.pde @@ -0,0 +1,124 @@ +/*
+ Pachube sensor client with Strings
+
+ This sketch connects an analog sensor to Pachube (http://www.pachube.com)
+ using a Wiznet Ethernet shield. You can use the Arduino Ethernet shield, or
+ the Adafruit Ethernet shield, either one will work, as long as it's got
+ a Wiznet Ethernet module on board.
+
+ This example uses the String library, which is part of the Arduino core from
+ version 0019.
+
+ Circuit:
+ * Analog sensor attached to analog in 0
+ * Ethernet shield attached to pins 10, 11, 12, 13
+
+ created 15 March 2010
+ updated 4 Sep 2010
+ by Tom Igoe
+
+ This code is in the public domain.
+
+ */
+
+#include <SPI.h>
+#include <Ethernet.h>
+
+// assign a MAC address for the ethernet controller.
+// fill in your address here:
+byte mac[] = {
+ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};
+// assign an IP address for the controller:
+byte ip[] = {
+ 192,169,1,20 };
+byte gateway[] = {
+ 192,168,1,1};
+byte subnet[] = {
+ 255, 255, 255, 0 };
+
+// The address of the server you want to connect to (pachube.com):
+byte server[] = {
+ 209,40,205,190 };
+
+// initialize the library instance:
+Client client(server, 80);
+
+long lastConnectionTime = 0; // last time you connected to the server, in milliseconds
+boolean lastConnected = false; // state of the connection last time through the main loop
+const int postingInterval = 10000; //delay between updates to Pachube.com
+
+void setup() {
+ // start the ethernet connection and serial port:
+ Ethernet.begin(mac, ip);
+ Serial.begin(9600);
+ // give the ethernet module time to boot up:
+ delay(1000);
+}
+
+void loop() {
+ // read the analog sensor:
+ int sensorReading = analogRead(A0);
+ // convert the data to a String to send it:
+ String dataString = String(sensorReading);
+
+ // you can append multiple readings to this String if your
+ // pachube feed is set up to handle multiple values:
+ int otherSensorReading = analogRead(A1);
+ dataString += ",";
+ dataString += String(otherSensorReading);
+
+ // if there's incoming data from the net connection.
+ // send it out the serial port. This is for debugging
+ // purposes only:
+ if (client.available()) {
+ char c = client.read();
+ Serial.print(c);
+ }
+
+ // if there's no net connection, but there was one last time
+ // through the loop, then stop the client:
+ if (!client.connected() && lastConnected) {
+ Serial.println();
+ Serial.println("disconnecting.");
+ client.stop();
+ }
+
+ // if you're not connected, and ten seconds have passed since
+ // your last connection, then connect again and send data:
+ if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) {
+ sendData(dataString);
+ }
+ // store the state of the connection for next time through
+ // the loop:
+ lastConnected = client.connected();
+}
+
+// this method makes a HTTP connection to the server:
+void sendData(String thisData) {
+ // if there's a successful connection:
+ if (client.connect()) {
+ Serial.println("connecting...");
+ // send the HTTP PUT request.
+ // fill in your feed address here:
+ client.print("PUT /api/YOUR_FEED_HERE.csv HTTP/1.1\n");
+ client.print("Host: www.pachube.com\n");
+ // fill in your Pachube API key here:
+ client.print("X-PachubeApiKey: YOUR_KEY_HERE\n");
+ client.print("Content-Length: ");
+ client.println(thisData.length(), DEC);
+
+ // last pieces of the HTTP PUT request:
+ client.print("Content-Type: text/csv\n");
+ client.println("Connection: close\n");
+
+ // here's the actual content of the PUT request:
+ client.println(thisData);
+
+ // note the time that the connection was made:
+ lastConnectionTime = millis();
+ }
+ else {
+ // if you couldn't make a connection:
+ Serial.println("connection failed");
+ }
+}
diff --git a/libraries/Ethernet/examples/TelnetClient/TelnetClient.pde b/libraries/Ethernet/examples/TelnetClient/TelnetClient.pde new file mode 100644 index 0000000..76a264e --- /dev/null +++ b/libraries/Ethernet/examples/TelnetClient/TelnetClient.pde @@ -0,0 +1,89 @@ +/*
+ Telnet client
+
+ This sketch connects to a a telnet server (http://www.google.com)
+ using an Arduino Wiznet Ethernet shield. You'll need a telnet server
+ to test this with.
+ Processing's ChatServer example (part of the network library) works well,
+ running on port 10002. It can be found as part of the examples
+ in the Processing application, available at
+ http://processing.org/
+
+ Circuit:
+ * Ethernet shield attached to pins 10, 11, 12, 13
+
+ created 14 Sep 2010
+ by Tom Igoe
+
+ */
+
+#include <SPI.h>
+#include <Ethernet.h>
+
+// Enter a MAC address and IP address for your controller below.
+// The IP address will be dependent on your local network:
+byte mac[] = {
+ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+byte ip[] = {
+ 192,168,1,177 };
+
+// Enter the IP address of the server you're connecting to:
+byte server[] = {
+ 1,1,1,1 };
+
+// Initialize the Ethernet client library
+// with the IP address and port of the server
+// that you want to connect to (port 23 is default for telnet;
+// if you're using Processing's ChatServer, use port 10002):
+Client client(server, 10002);
+
+void setup() {
+ // start the Ethernet connection:
+ Ethernet.begin(mac, ip);
+ // start the serial library:
+ Serial.begin(9600);
+ // give the Ethernet shield a second to initialize:
+ delay(1000);
+ Serial.println("connecting...");
+
+ // if you get a connection, report back via serial:
+ if (client.connect()) {
+ Serial.println("connected");
+ }
+ else {
+ // if you didn't get a connection to the server:
+ Serial.println("connection failed");
+ }
+}
+
+void loop()
+{
+ // if there are incoming bytes available
+ // from the server, read them and print them:
+ if (client.available()) {
+ char c = client.read();
+ Serial.print(c);
+ }
+
+ // as long as there are bytes in the serial queue,
+ // read them and send them out the socket if it's open:
+ while (Serial.available() > 0) {
+ char inChar = Serial.read();
+ if (client.connected()) {
+ client.print(inChar);
+ }
+ }
+
+ // if the server's disconnected, stop the client:
+ if (!client.connected()) {
+ Serial.println();
+ Serial.println("disconnecting.");
+ client.stop();
+ // do nothing:
+ while(true);
+ }
+}
+
+
+
+
diff --git a/libraries/Ethernet/examples/UDPSendReceiveString/UDPSendReceiveString.pde b/libraries/Ethernet/examples/UDPSendReceiveString/UDPSendReceiveString.pde new file mode 100644 index 0000000..edf3b9c --- /dev/null +++ b/libraries/Ethernet/examples/UDPSendReceiveString/UDPSendReceiveString.pde @@ -0,0 +1,107 @@ +/*
+ UDPSendReceive.pde:
+ This sketch receives UDP message strings, prints them to the serial port
+ and sends an "acknowledge" string back to the sender
+
+ A Processing sketch is included at the end of file that can be used to send
+ and received messages for testing with a computer.
+
+ created 21 Aug 2010
+ by Michael Margolis
+
+ This code is in the public domain.
+ */
+
+
+#include <SPI.h> // needed for Arduino versions later than 0018
+#include <Ethernet.h>
+#include <Udp.h> // UDP library from: bjoern@cs.stanford.edu 12/30/2008
+
+
+// Enter a MAC address and IP address for your controller below.
+// The IP address will be dependent on your local network:
+byte mac[] = {
+ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+byte ip[] = {
+ 192,168,1,177 };
+
+unsigned int localPort = 8888; // local port to listen on
+
+// the next two variables are set when a packet is received
+byte remoteIp[4]; // holds received packet's originating IP
+unsigned int remotePort; // holds received packet's originating port
+
+// buffers for receiving and sending data
+char packetBuffer[UDP_TX_PACKET_MAX_SIZE]; //buffer to hold incoming packet,
+char ReplyBuffer[] = "acknowledged"; // a string to send back
+
+
+void setup() {
+ // start the Ethernet and UDP:
+ Ethernet.begin(mac,ip);
+ Udp.begin(localPort);
+
+ Serial.begin(9600);
+}
+
+void loop() {
+ // if there's data available, read a packet
+ int packetSize = Udp.available(); // note that this includes the UDP header
+ if(packetSize)
+ {
+ packetSize = packetSize - 8; // subtract the 8 byte header
+ Serial.print("Received packet of size ");
+ Serial.println(packetSize);
+
+ // read the packet into packetBufffer and get the senders IP addr and port number
+ Udp.readPacket(packetBuffer,UDP_TX_PACKET_MAX_SIZE, remoteIp, remotePort);
+ Serial.println("Contents:");
+ Serial.println(packetBuffer);
+
+ Udp.sendPacket( ReplyBuffer, remoteIp, remotePort);
+ }
+ delay(10);
+}
+
+
+/*
+ Processing sketch to run with this example
+ =====================================================
+
+ // Processing UDP example to send and receive string data from Arduino
+ // press any key to send the "Hello Arduino" message
+
+
+ import hypermedia.net.*;
+
+ UDP udp; // define the UDP object
+
+
+ void setup() {
+ udp = new UDP( this, 6000 ); // create a new datagram connection on port 6000
+ //udp.log( true ); // <-- printout the connection activity
+ udp.listen( true ); // and wait for incoming message
+ }
+
+ void draw()
+ {
+ }
+
+ void keyPressed() {
+ String ip = "192.168.1.177"; // the remote IP address
+ int port = 8888; // the destination port
+
+ udp.send("Hello World", ip, port ); // the message to send
+
+ }
+
+ void receive( byte[] data ) { // <-- default handler
+ //void receive( byte[] data, String ip, int port ) { // <-- extended handler
+
+ for(int i=0; i < data.length; i++)
+ print(char(data[i]));
+ println();
+ }
+ */
+
+
diff --git a/libraries/Ethernet/examples/UdpNtpClient/UdpNtpClient.pde b/libraries/Ethernet/examples/UdpNtpClient/UdpNtpClient.pde new file mode 100644 index 0000000..1010ec9 --- /dev/null +++ b/libraries/Ethernet/examples/UdpNtpClient/UdpNtpClient.pde @@ -0,0 +1,121 @@ +/*
+
+ Udp NTP Client
+
+ Get the time from a Network Time Protocol (NTP) time server
+ Demonstrates use of UDP sendPacket and ReceivePacket
+ For more on NTP time servers and the messages needed to communicate with them,
+ see http://en.wikipedia.org/wiki/Network_Time_Protocol
+
+ created 4 Sep 2010
+ by Michael Margolis
+ modified 17 Sep 2010
+ by Tom Igoe
+
+ This code is in the public domain.
+
+ */
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <Udp.h>
+
+// Enter a MAC address and IP address for your controller below.
+// The IP address will be dependent on your local network:
+byte mac[] = {
+ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+byte ip[] = {
+ 192,168,1,177 };
+
+
+unsigned int localPort = 8888; // local port to listen for UDP packets
+
+byte timeServer[] = {
+ 192, 43, 244, 18}; // time.nist.gov NTP server
+
+const int NTP_PACKET_SIZE= 48; // NTP time stamp is in the first 48 bytes of the message
+
+byte packetBuffer[ NTP_PACKET_SIZE]; //buffer to hold incoming and outgoing packets
+
+void setup()
+{
+ // start Ethernet and UDP
+ Ethernet.begin(mac,ip);
+ Udp.begin(localPort);
+
+ Serial.begin(9600);
+}
+
+void loop()
+{
+ sendNTPpacket(timeServer); // send an NTP packet to a time server
+
+ // wait to see if a reply is available
+ delay(1000);
+ if ( Udp.available() ) {
+ Udp.readPacket(packetBuffer,NTP_PACKET_SIZE); // read the packet into the buffer
+
+ //the timestamp starts at byte 40 of the received packet and is four bytes,
+ // or two words, long. First, esxtract the two words:
+
+ unsigned long highWord = word(packetBuffer[40], packetBuffer[41]);
+ unsigned long lowWord = word(packetBuffer[42], packetBuffer[43]);
+ // combine the four bytes (two words) into a long integer
+ // this is NTP time (seconds since Jan 1 1900):
+ unsigned long secsSince1900 = highWord << 16 | lowWord;
+ Serial.print("Seconds since Jan 1 1900 = " );
+ Serial.println(secsSince1900);
+
+ // now convert NTP time into everyday time:
+ Serial.print("Unix time = ");
+ // Unix time starts on Jan 1 1970. In seconds, that's 2208988800:
+ const unsigned long seventyYears = 2208988800UL;
+ // subtract seventy years:
+ unsigned long epoch = secsSince1900 - seventyYears;
+ // print Unix time:
+ Serial.println(epoch);
+
+
+ // print the hour, minute and second:
+ Serial.print("The UTC time is "); // UTC is the time at Greenwich Meridian (GMT)
+ Serial.print((epoch % 86400L) / 3600); // print the hour (86400 equals secs per day)
+ Serial.print(':');
+ Serial.print((epoch % 3600) / 60); // print the minute (3600 equals secs per minute)
+ Serial.print(':');
+ Serial.println(epoch %60); // print the second
+ }
+ // wait ten seconds before asking for the time again
+ delay(10000);
+}
+
+// send an NTP request to the time server at the given address
+unsigned long sendNTPpacket(byte *address)
+{
+ // set all bytes in the buffer to 0
+ memset(packetBuffer, 0, NTP_PACKET_SIZE);
+ // Initialize values needed to form NTP request
+ // (see URL above for details on the packets)
+ packetBuffer[0] = 0b11100011; // LI, Version, Mode
+ packetBuffer[1] = 0; // Stratum, or type of clock
+ packetBuffer[2] = 6; // Polling Interval
+ packetBuffer[3] = 0xEC; // Peer Clock Precision
+ // 8 bytes of zero for Root Delay & Root Dispersion
+ packetBuffer[12] = 49;
+ packetBuffer[13] = 0x4E;
+ packetBuffer[14] = 49;
+ packetBuffer[15] = 52;
+
+ // all NTP fields have been given values, now
+ // you can send a packet requesting a timestamp:
+ Udp.sendPacket( packetBuffer,NTP_PACKET_SIZE, address, 123); //NTP requests are to port 123
+}
+
+
+
+
+
+
+
+
+
+
diff --git a/libraries/Ethernet/examples/WebClient/WebClient.pde b/libraries/Ethernet/examples/WebClient/WebClient.pde new file mode 100644 index 0000000..355d746 --- /dev/null +++ b/libraries/Ethernet/examples/WebClient/WebClient.pde @@ -0,0 +1,71 @@ +/*
+ Web client
+
+ This sketch connects to a website (http://www.google.com)
+ using an Arduino Wiznet Ethernet shield.
+
+ Circuit:
+ * Ethernet shield attached to pins 10, 11, 12, 13
+
+ created 18 Dec 2009
+ by David A. Mellis
+
+ */
+
+#include <SPI.h>
+#include <Ethernet.h>
+
+// Enter a MAC address and IP address for your controller below.
+// The IP address will be dependent on your local network:
+byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+byte ip[] = { 192,168,1,177 };
+byte server[] = { 173,194,33,104 }; // Google
+
+// Initialize the Ethernet client library
+// with the IP address and port of the server
+// that you want to connect to (port 80 is default for HTTP):
+Client client(server, 80);
+
+void setup() {
+ // start the Ethernet connection:
+ Ethernet.begin(mac, ip);
+ // start the serial library:
+ Serial.begin(9600);
+ // give the Ethernet shield a second to initialize:
+ delay(1000);
+ Serial.println("connecting...");
+
+ // if you get a connection, report back via serial:
+ if (client.connect()) {
+ Serial.println("connected");
+ // Make a HTTP request:
+ client.println("GET /search?q=arduino HTTP/1.0");
+ client.println();
+ }
+ else {
+ // kf you didn't get a connection to the server:
+ Serial.println("connection failed");
+ }
+}
+
+void loop()
+{
+ // if there are incoming bytes available
+ // from the server, read them and print them:
+ if (client.available()) {
+ char c = client.read();
+ Serial.print(c);
+ }
+
+ // if the server's disconnected, stop the client:
+ if (!client.connected()) {
+ Serial.println();
+ Serial.println("disconnecting.");
+ client.stop();
+
+ // do nothing forevermore:
+ for(;;)
+ ;
+ }
+}
+
diff --git a/libraries/Ethernet/examples/WebServer/WebServer.pde b/libraries/Ethernet/examples/WebServer/WebServer.pde new file mode 100644 index 0000000..27eaf14 --- /dev/null +++ b/libraries/Ethernet/examples/WebServer/WebServer.pde @@ -0,0 +1,82 @@ +/*
+ Web Server
+
+ A simple web server that shows the value of the analog input pins.
+ using an Arduino Wiznet Ethernet shield.
+
+ Circuit:
+ * Ethernet shield attached to pins 10, 11, 12, 13
+ * Analog inputs attached to pins A0 through A5 (optional)
+
+ created 18 Dec 2009
+ by David A. Mellis
+ modified 4 Sep 2010
+ by Tom Igoe
+
+ */
+
+#include <SPI.h>
+#include <Ethernet.h>
+
+// Enter a MAC address and IP address for your controller below.
+// The IP address will be dependent on your local network:
+byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+byte ip[] = { 192,168,1, 177 };
+
+// Initialize the Ethernet server library
+// with the IP address and port you want to use
+// (port 80 is default for HTTP):
+Server server(80);
+
+void setup()
+{
+ // start the Ethernet connection and the server:
+ Ethernet.begin(mac, ip);
+ server.begin();
+}
+
+void loop()
+{
+ // listen for incoming clients
+ Client client = server.available();
+ if (client) {
+ // an http request ends with a blank line
+ boolean currentLineIsBlank = true;
+ while (client.connected()) {
+ if (client.available()) {
+ char c = client.read();
+ // if you've gotten to the end of the line (received a newline
+ // character) and the line is blank, the http request has ended,
+ // so you can send a reply
+ if (c == '\n' && currentLineIsBlank) {
+ // send a standard http response header
+ client.println("HTTP/1.1 200 OK");
+ client.println("Content-Type: text/html");
+ client.println();
+
+ // output the value of each analog input pin
+ for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
+ client.print("analog input ");
+ client.print(analogChannel);
+ client.print(" is ");
+ client.print(analogRead(analogChannel));
+ client.println("<br />");
+ }
+ break;
+ }
+ if (c == '\n') {
+ // you're starting a new line
+ currentLineIsBlank = true;
+ }
+ else if (c != '\r') {
+ // you've gotten a character on the current line
+ currentLineIsBlank = false;
+ }
+ }
+ }
+ // give the web browser time to receive the data
+ delay(1);
+ // close the connection:
+ client.stop();
+ }
+}
\ No newline at end of file diff --git a/libraries/Ethernet/keywords.txt b/libraries/Ethernet/keywords.txt new file mode 100644 index 0000000..5794915 --- /dev/null +++ b/libraries/Ethernet/keywords.txt @@ -0,0 +1,30 @@ +#######################################
+# Syntax Coloring Map For Ethernet
+#######################################
+
+#######################################
+# Datatypes (KEYWORD1)
+#######################################
+
+Ethernet KEYWORD1
+Client KEYWORD1
+Server KEYWORD1
+
+#######################################
+# Methods and Functions (KEYWORD2)
+#######################################
+
+status KEYWORD2
+connect KEYWORD2
+write KEYWORD2
+available KEYWORD2
+read KEYWORD2
+flush KEYWORD2
+stop KEYWORD2
+connected KEYWORD2
+begin KEYWORD2
+
+#######################################
+# Constants (LITERAL1)
+#######################################
+
diff --git a/libraries/Ethernet/utility/socket.cpp b/libraries/Ethernet/utility/socket.cpp new file mode 100644 index 0000000..a8eb944 --- /dev/null +++ b/libraries/Ethernet/utility/socket.cpp @@ -0,0 +1,327 @@ +#include "w5100.h"
+#include "socket.h"
+
+static uint16_t local_port;
+
+/**
+ * @brief This Socket function initialize the channel in perticular mode, and set the port and wait for W5100 done it.
+ * @return 1 for success else 0.
+ */
+uint8_t socket(SOCKET s, uint8_t protocol, uint16_t port, uint8_t flag)
+{
+ uint8_t ret;
+ if ((protocol == SnMR::TCP) || (protocol == SnMR::UDP) || (protocol == SnMR::IPRAW) || (protocol == SnMR::MACRAW) || (protocol == SnMR::PPPOE))
+ {
+ close(s);
+ W5100.writeSnMR(s, protocol | flag);
+ if (port != 0) {
+ W5100.writeSnPORT(s, port);
+ }
+ else {
+ local_port++; // if don't set the source port, set local_port number.
+ W5100.writeSnPORT(s, local_port);
+ }
+
+ W5100.execCmdSn(s, Sock_OPEN);
+
+ return 1;
+ }
+
+ return 0;
+}
+
+
+/**
+ * @brief This function close the socket and parameter is "s" which represent the socket number
+ */
+void close(SOCKET s)
+{
+ W5100.execCmdSn(s, Sock_CLOSE);
+ W5100.writeSnIR(s, 0xFF);
+}
+
+
+/**
+ * @brief This function established the connection for the channel in passive (server) mode. This function waits for the request from the peer.
+ * @return 1 for success else 0.
+ */
+uint8_t listen(SOCKET s)
+{
+ if (W5100.readSnSR(s) != SnSR::INIT)
+ return 0;
+ W5100.execCmdSn(s, Sock_LISTEN);
+ return 1;
+}
+
+
+/**
+ * @brief This function established the connection for the channel in Active (client) mode.
+ * This function waits for the untill the connection is established.
+ *
+ * @return 1 for success else 0.
+ */
+uint8_t connect(SOCKET s, uint8_t * addr, uint16_t port)
+{
+ if
+ (
+ ((addr[0] == 0xFF) && (addr[1] == 0xFF) && (addr[2] == 0xFF) && (addr[3] == 0xFF)) ||
+ ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && (addr[3] == 0x00)) ||
+ (port == 0x00)
+ )
+ return 0;
+
+ // set destination IP
+ W5100.writeSnDIPR(s, addr);
+ W5100.writeSnDPORT(s, port);
+ W5100.execCmdSn(s, Sock_CONNECT);
+
+ return 1;
+}
+
+
+
+/**
+ * @brief This function used for disconnect the socket and parameter is "s" which represent the socket number
+ * @return 1 for success else 0.
+ */
+void disconnect(SOCKET s)
+{
+ W5100.execCmdSn(s, Sock_DISCON);
+}
+
+
+/**
+ * @brief This function used to send the data in TCP mode
+ * @return 1 for success else 0.
+ */
+uint16_t send(SOCKET s, const uint8_t * buf, uint16_t len)
+{
+ uint8_t status=0;
+ uint16_t ret=0;
+ uint16_t freesize=0;
+
+ if (len > W5100.SSIZE)
+ ret = W5100.SSIZE; // check size not to exceed MAX size.
+ else
+ ret = len;
+
+ // if freebuf is available, start.
+ do
+ {
+ freesize = W5100.getTXFreeSize(s);
+ status = W5100.readSnSR(s);
+ if ((status != SnSR::ESTABLISHED) && (status != SnSR::CLOSE_WAIT))
+ {
+ ret = 0;
+ break;
+ }
+ }
+ while (freesize < ret);
+
+ // copy data
+ W5100.send_data_processing(s, (uint8_t *)buf, ret);
+ W5100.execCmdSn(s, Sock_SEND);
+
+ /* +2008.01 bj */
+ while ( (W5100.readSnIR(s) & SnIR::SEND_OK) != SnIR::SEND_OK )
+ {
+ /* m2008.01 [bj] : reduce code */
+ if ( W5100.readSnSR(s) == SnSR::CLOSED )
+ {
+ close(s);
+ return 0;
+ }
+ }
+ /* +2008.01 bj */
+ W5100.writeSnIR(s, SnIR::SEND_OK);
+ return ret;
+}
+
+
+/**
+ * @brief This function is an application I/F function which is used to receive the data in TCP mode.
+ * It continues to wait for data as much as the application wants to receive.
+ *
+ * @return received data size for success else -1.
+ */
+uint16_t recv(SOCKET s, uint8_t *buf, uint16_t len)
+{
+ uint16_t ret=0;
+
+ if ( len > 0 )
+ {
+ W5100.recv_data_processing(s, buf, len);
+ W5100.execCmdSn(s, Sock_RECV);
+ ret = len;
+ }
+ return ret;
+}
+
+
+/**
+ * @brief Returns the first byte in the receive queue (no checking)
+ *
+ * @return
+ */
+uint16_t peek(SOCKET s, uint8_t *buf)
+{
+ W5100.recv_data_processing(s, buf, 1, 1);
+
+ return 1;
+}
+
+
+/**
+ * @brief This function is an application I/F function which is used to send the data for other then TCP mode.
+ * Unlike TCP transmission, The peer's destination address and the port is needed.
+ *
+ * @return This function return send data size for success else -1.
+ */
+uint16_t sendto(SOCKET s, const uint8_t *buf, uint16_t len, uint8_t *addr, uint16_t port)
+{
+ uint16_t ret=0;
+
+ if (len > W5100.SSIZE) ret = W5100.SSIZE; // check size not to exceed MAX size.
+ else ret = len;
+
+ if
+ (
+ ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && (addr[3] == 0x00)) ||
+ ((port == 0x00)) ||(ret == 0)
+ )
+ {
+ /* +2008.01 [bj] : added return value */
+ ret = 0;
+ }
+ else
+ {
+ W5100.writeSnDIPR(s, addr);
+ W5100.writeSnDPORT(s, port);
+
+ // copy data
+ W5100.send_data_processing(s, (uint8_t *)buf, ret);
+ W5100.execCmdSn(s, Sock_SEND);
+
+ /* +2008.01 bj */
+ while ( (W5100.readSnIR(s) & SnIR::SEND_OK) != SnIR::SEND_OK )
+ {
+ if (W5100.readSnIR(s) & SnIR::TIMEOUT)
+ {
+ /* +2008.01 [bj]: clear interrupt */
+ W5100.writeSnIR(s, (SnIR::SEND_OK | SnIR::TIMEOUT)); /* clear SEND_OK & TIMEOUT */
+ return 0;
+ }
+ }
+
+ /* +2008.01 bj */
+ W5100.writeSnIR(s, SnIR::SEND_OK);
+ }
+ return ret;
+}
+
+
+/**
+ * @brief This function is an application I/F function which is used to receive the data in other then
+ * TCP mode. This function is used to receive UDP, IP_RAW and MAC_RAW mode, and handle the header as well.
+ *
+ * @return This function return received data size for success else -1.
+ */
+uint16_t recvfrom(SOCKET s, uint8_t *buf, uint16_t len, uint8_t *addr, uint16_t *port)
+{
+ uint8_t head[8];
+ uint16_t data_len=0;
+ uint16_t ptr=0;
+
+ if ( len > 0 )
+ {
+ ptr = W5100.readSnRX_RD(s);
+ switch (W5100.readSnMR(s) & 0x07)
+ {
+ case SnMR::UDP :
+ W5100.read_data(s, (uint8_t *)ptr, head, 0x08);
+ ptr += 8;
+ // read peer's IP address, port number.
+ addr[0] = head[0];
+ addr[1] = head[1];
+ addr[2] = head[2];
+ addr[3] = head[3];
+ *port = head[4];
+ *port = (*port << 8) + head[5];
+ data_len = head[6];
+ data_len = (data_len << 8) + head[7];
+
+ W5100.read_data(s, (uint8_t *)ptr, buf, data_len); // data copy.
+ ptr += data_len;
+
+ W5100.writeSnRX_RD(s, ptr);
+ break;
+
+ case SnMR::IPRAW :
+ W5100.read_data(s, (uint8_t *)ptr, head, 0x06);
+ ptr += 6;
+
+ addr[0] = head[0];
+ addr[1] = head[1];
+ addr[2] = head[2];
+ addr[3] = head[3];
+ data_len = head[4];
+ data_len = (data_len << 8) + head[5];
+
+ W5100.read_data(s, (uint8_t *)ptr, buf, data_len); // data copy.
+ ptr += data_len;
+
+ W5100.writeSnRX_RD(s, ptr);
+ break;
+
+ case SnMR::MACRAW:
+ W5100.read_data(s,(uint8_t*)ptr,head,2);
+ ptr+=2;
+ data_len = head[0];
+ data_len = (data_len<<8) + head[1] - 2;
+
+ W5100.read_data(s,(uint8_t*) ptr,buf,data_len);
+ ptr += data_len;
+ W5100.writeSnRX_RD(s, ptr);
+ break;
+
+ default :
+ break;
+ }
+ W5100.execCmdSn(s, Sock_RECV);
+ }
+ return data_len;
+}
+
+
+uint16_t igmpsend(SOCKET s, const uint8_t * buf, uint16_t len)
+{
+ uint8_t status=0;
+ uint16_t ret=0;
+
+ if (len > W5100.SSIZE)
+ ret = W5100.SSIZE; // check size not to exceed MAX size.
+ else
+ ret = len;
+
+ if (ret == 0)
+ return 0;
+
+ W5100.send_data_processing(s, (uint8_t *)buf, ret);
+ W5100.execCmdSn(s, Sock_SEND);
+
+ while ( (W5100.readSnIR(s) & SnIR::SEND_OK) != SnIR::SEND_OK )
+ {
+ status = W5100.readSnSR(s);
+ if (W5100.readSnIR(s) & SnIR::TIMEOUT)
+ {
+ /* in case of igmp, if send fails, then socket closed */
+ /* if you want change, remove this code. */
+ close(s);
+ return 0;
+ }
+ }
+
+ W5100.writeSnIR(s, SnIR::SEND_OK);
+ return ret;
+}
+
diff --git a/libraries/Ethernet/utility/socket.h b/libraries/Ethernet/utility/socket.h new file mode 100644 index 0000000..cde86ff --- /dev/null +++ b/libraries/Ethernet/utility/socket.h @@ -0,0 +1,20 @@ +#ifndef _SOCKET_H_
+#define _SOCKET_H_
+
+#include "w5100.h"
+
+extern uint8_t socket(SOCKET s, uint8_t protocol, uint16_t port, uint8_t flag); // Opens a socket(TCP or UDP or IP_RAW mode)
+extern void close(SOCKET s); // Close socket
+extern uint8_t connect(SOCKET s, uint8_t * addr, uint16_t port); // Establish TCP connection (Active connection)
+extern void disconnect(SOCKET s); // disconnect the connection
+extern uint8_t listen(SOCKET s); // Establish TCP connection (Passive connection)
+extern uint16_t send(SOCKET s, const uint8_t * buf, uint16_t len); // Send data (TCP)
+extern uint16_t recv(SOCKET s, uint8_t * buf, uint16_t len); // Receive data (TCP)
+extern uint16_t peek(SOCKET s, uint8_t *buf);
+extern uint16_t sendto(SOCKET s, const uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t port); // Send data (UDP/IP RAW)
+extern uint16_t recvfrom(SOCKET s, uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t *port); // Receive data (UDP/IP RAW)
+
+extern uint16_t igmpsend(SOCKET s, const uint8_t * buf, uint16_t len);
+
+#endif
+/* _SOCKET_H_ */
diff --git a/libraries/Ethernet/utility/w5100.cpp b/libraries/Ethernet/utility/w5100.cpp new file mode 100644 index 0000000..431a68d --- /dev/null +++ b/libraries/Ethernet/utility/w5100.cpp @@ -0,0 +1,182 @@ +/*
+ * Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st>
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of either the GNU General Public License version 2
+ * or the GNU Lesser General Public License version 2.1, both as
+ * published by the Free Software Foundation.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <avr/interrupt.h>
+
+#include "w5100.h"
+
+// W5100 controller instance
+W5100Class W5100;
+
+#define TX_RX_MAX_BUF_SIZE 2048
+#define TX_BUF 0x1100
+#define RX_BUF (TX_BUF + TX_RX_MAX_BUF_SIZE)
+
+#define TXBUF_BASE 0x4000
+#define RXBUF_BASE 0x6000
+
+void W5100Class::init(void)
+{
+ delay(300);
+
+ SPI.begin();
+ initSS();
+
+ writeMR(1<<RST);
+ writeTMSR(0x55);
+ writeRMSR(0x55);
+
+ for (int i=0; i<MAX_SOCK_NUM; i++) {
+ SBASE[i] = TXBUF_BASE + SSIZE * i;
+ RBASE[i] = RXBUF_BASE + RSIZE * i;
+ }
+}
+
+uint16_t W5100Class::getTXFreeSize(SOCKET s)
+{
+ uint16_t val=0, val1=0;
+ do {
+ val1 = readSnTX_FSR(s);
+ if (val1 != 0)
+ val = readSnTX_FSR(s);
+ }
+ while (val != val1);
+ return val;
+}
+
+uint16_t W5100Class::getRXReceivedSize(SOCKET s)
+{
+ uint16_t val=0,val1=0;
+ do {
+ val1 = readSnRX_RSR(s);
+ if (val1 != 0)
+ val = readSnRX_RSR(s);
+ }
+ while (val != val1);
+ return val;
+}
+
+
+void W5100Class::send_data_processing(SOCKET s, uint8_t *data, uint16_t len)
+{
+ uint16_t ptr = readSnTX_WR(s);
+
+ uint16_t offset = ptr & SMASK;
+ uint16_t dstAddr = offset + SBASE[s];
+
+ if (offset + len > SSIZE)
+ {
+ // Wrap around circular buffer
+ uint16_t size = SSIZE - offset;
+ write(dstAddr, data, size);
+ write(SBASE[s], data + size, len - size);
+ }
+ else {
+ write(dstAddr, data, len);
+ }
+
+ ptr += len;
+ writeSnTX_WR(s, ptr);
+}
+
+
+void W5100Class::recv_data_processing(SOCKET s, uint8_t *data, uint16_t len, uint8_t peek)
+{
+ uint16_t ptr;
+ ptr = readSnRX_RD(s);
+ read_data(s, (uint8_t *)ptr, data, len);
+ if (!peek)
+ {
+ ptr += len;
+ writeSnRX_RD(s, ptr);
+ }
+}
+
+void W5100Class::read_data(SOCKET s, volatile uint8_t *src, volatile uint8_t *dst, uint16_t len)
+{
+ uint16_t size;
+ uint16_t src_mask;
+ uint16_t src_ptr;
+
+ src_mask = (uint16_t)src & RMASK;
+ src_ptr = RBASE[s] + src_mask;
+
+ if( (src_mask + len) > RSIZE )
+ {
+ size = RSIZE - src_mask;
+ read(src_ptr, (uint8_t *)dst, size);
+ dst += size;
+ read(RBASE[s], (uint8_t *) dst, len - size);
+ }
+ else
+ read(src_ptr, (uint8_t *) dst, len);
+}
+
+
+uint8_t W5100Class::write(uint16_t _addr, uint8_t _data)
+{
+ setSS();
+ SPI.transfer(0xF0);
+ SPI.transfer(_addr >> 8);
+ SPI.transfer(_addr & 0xFF);
+ SPI.transfer(_data);
+ resetSS();
+ return 1;
+}
+
+uint16_t W5100Class::write(uint16_t _addr, uint8_t *_buf, uint16_t _len)
+{
+ for (int i=0; i<_len; i++)
+ {
+ setSS();
+ SPI.transfer(0xF0);
+ SPI.transfer(_addr >> 8);
+ SPI.transfer(_addr & 0xFF);
+ _addr++;
+ SPI.transfer(_buf[i]);
+ resetSS();
+ }
+ return _len;
+}
+
+uint8_t W5100Class::read(uint16_t _addr)
+{
+ setSS();
+ SPI.transfer(0x0F);
+ SPI.transfer(_addr >> 8);
+ SPI.transfer(_addr & 0xFF);
+ uint8_t _data = SPI.transfer(0);
+ resetSS();
+ return _data;
+}
+
+uint16_t W5100Class::read(uint16_t _addr, uint8_t *_buf, uint16_t _len)
+{
+ for (int i=0; i<_len; i++)
+ {
+ setSS();
+ SPI.transfer(0x0F);
+ SPI.transfer(_addr >> 8);
+ SPI.transfer(_addr & 0xFF);
+ _addr++;
+ _buf[i] = SPI.transfer(0);
+ resetSS();
+ }
+ return _len;
+}
+
+void W5100Class::execCmdSn(SOCKET s, SockCMD _cmd) {
+ // Send command to socket
+ writeSnCR(s, _cmd);
+ // Wait for command to complete
+ while (readSnCR(s))
+ ;
+}
diff --git a/libraries/Ethernet/utility/w5100.h b/libraries/Ethernet/utility/w5100.h new file mode 100644 index 0000000..181c4a5 --- /dev/null +++ b/libraries/Ethernet/utility/w5100.h @@ -0,0 +1,381 @@ +/*
+ * Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st>
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of either the GNU General Public License version 2
+ * or the GNU Lesser General Public License version 2.1, both as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef W5100_H_INCLUDED
+#define W5100_H_INCLUDED
+
+#include <avr/pgmspace.h>
+#include <SPI.h>
+
+#define MAX_SOCK_NUM 4
+
+typedef uint8_t SOCKET;
+
+#define IDM_OR 0x8000
+#define IDM_AR0 0x8001
+#define IDM_AR1 0x8002
+#define IDM_DR 0x8003
+/*
+class MR {
+public:
+ static const uint8_t RST = 0x80;
+ static const uint8_t PB = 0x10;
+ static const uint8_t PPPOE = 0x08;
+ static const uint8_t LB = 0x04;
+ static const uint8_t AI = 0x02;
+ static const uint8_t IND = 0x01;
+};
+*/
+/*
+class IR {
+public:
+ static const uint8_t CONFLICT = 0x80;
+ static const uint8_t UNREACH = 0x40;
+ static const uint8_t PPPoE = 0x20;
+ static const uint8_t SOCK0 = 0x01;
+ static const uint8_t SOCK1 = 0x02;
+ static const uint8_t SOCK2 = 0x04;
+ static const uint8_t SOCK3 = 0x08;
+ static inline uint8_t SOCK(SOCKET ch) { return (0x01 << ch); };
+};
+*/
+
+class SnMR {
+public:
+ static const uint8_t CLOSE = 0x00;
+ static const uint8_t TCP = 0x01;
+ static const uint8_t UDP = 0x02;
+ static const uint8_t IPRAW = 0x03;
+ static const uint8_t MACRAW = 0x04;
+ static const uint8_t PPPOE = 0x05;
+ static const uint8_t ND = 0x20;
+ static const uint8_t MULTI = 0x80;
+};
+
+enum SockCMD {
+ Sock_OPEN = 0x01,
+ Sock_LISTEN = 0x02,
+ Sock_CONNECT = 0x04,
+ Sock_DISCON = 0x08,
+ Sock_CLOSE = 0x10,
+ Sock_SEND = 0x20,
+ Sock_SEND_MAC = 0x21,
+ Sock_SEND_KEEP = 0x22,
+ Sock_RECV = 0x40
+};
+
+/*class SnCmd {
+public:
+ static const uint8_t OPEN = 0x01;
+ static const uint8_t LISTEN = 0x02;
+ static const uint8_t CONNECT = 0x04;
+ static const uint8_t DISCON = 0x08;
+ static const uint8_t CLOSE = 0x10;
+ static const uint8_t SEND = 0x20;
+ static const uint8_t SEND_MAC = 0x21;
+ static const uint8_t SEND_KEEP = 0x22;
+ static const uint8_t RECV = 0x40;
+};
+*/
+
+class SnIR {
+public:
+ static const uint8_t SEND_OK = 0x10;
+ static const uint8_t TIMEOUT = 0x08;
+ static const uint8_t RECV = 0x04;
+ static const uint8_t DISCON = 0x02;
+ static const uint8_t CON = 0x01;
+};
+
+class SnSR {
+public:
+ static const uint8_t CLOSED = 0x00;
+ static const uint8_t INIT = 0x13;
+ static const uint8_t LISTEN = 0x14;
+ static const uint8_t SYNSENT = 0x15;
+ static const uint8_t SYNRECV = 0x16;
+ static const uint8_t ESTABLISHED = 0x17;
+ static const uint8_t FIN_WAIT = 0x18;
+ static const uint8_t CLOSING = 0x1A;
+ static const uint8_t TIME_WAIT = 0x1B;
+ static const uint8_t CLOSE_WAIT = 0x1C;
+ static const uint8_t LAST_ACK = 0x1D;
+ static const uint8_t UDP = 0x22;
+ static const uint8_t IPRAW = 0x32;
+ static const uint8_t MACRAW = 0x42;
+ static const uint8_t PPPOE = 0x5F;
+};
+
+class IPPROTO {
+public:
+ static const uint8_t IP = 0;
+ static const uint8_t ICMP = 1;
+ static const uint8_t IGMP = 2;
+ static const uint8_t GGP = 3;
+ static const uint8_t TCP = 6;
+ static const uint8_t PUP = 12;
+ static const uint8_t UDP = 17;
+ static const uint8_t IDP = 22;
+ static const uint8_t ND = 77;
+ static const uint8_t RAW = 255;
+};
+
+class W5100Class {
+
+public:
+ void init();
+
+ /**
+ * @brief This function is being used for copy the data form Receive buffer of the chip to application buffer.
+ *
+ * It calculate the actual physical address where one has to read
+ * the data from Receive buffer. Here also take care of the condition while it exceed
+ * the Rx memory uper-bound of socket.
+ */
+ void read_data(SOCKET s, volatile uint8_t * src, volatile uint8_t * dst, uint16_t len);
+
+ /**
+ * @brief This function is being called by send() and sendto() function also.
+ *
+ * This function read the Tx write pointer register and after copy the data in buffer update the Tx write pointer
+ * register. User should read upper byte first and lower byte later to get proper value.
+ */
+ void send_data_processing(SOCKET s, uint8_t *data, uint16_t len);
+
+ /**
+ * @brief This function is being called by recv() also.
+ *
+ * This function read the Rx read pointer register
+ * and after copy the data from receive buffer update the Rx write pointer register.
+ * User should read upper byte first and lower byte later to get proper value.
+ */
+ void recv_data_processing(SOCKET s, uint8_t *data, uint16_t len, uint8_t peek = 0);
+
+ inline void setGatewayIp(uint8_t *_addr);
+ inline void getGatewayIp(uint8_t *_addr);
+
+ inline void setSubnetMask(uint8_t *_addr);
+ inline void getSubnetMask(uint8_t *_addr);
+
+ inline void setMACAddress(uint8_t * addr);
+ inline void getMACAddress(uint8_t * addr);
+
+ inline void setIPAddress(uint8_t * addr);
+ inline void getIPAddress(uint8_t * addr);
+
+ inline void setRetransmissionTime(uint16_t timeout);
+ inline void setRetransmissionCount(uint8_t _retry);
+
+ void execCmdSn(SOCKET s, SockCMD _cmd);
+
+ uint16_t getTXFreeSize(SOCKET s);
+ uint16_t getRXReceivedSize(SOCKET s);
+
+
+ // W5100 Registers
+ // ---------------
+private:
+ static uint8_t write(uint16_t _addr, uint8_t _data);
+ static uint16_t write(uint16_t addr, uint8_t *buf, uint16_t len);
+ static uint8_t read(uint16_t addr);
+ static uint16_t read(uint16_t addr, uint8_t *buf, uint16_t len);
+
+#define __GP_REGISTER8(name, address) \
+ static inline void write##name(uint8_t _data) { \
+ write(address, _data); \
+ } \
+ static inline uint8_t read##name() { \
+ return read(address); \
+ }
+#define __GP_REGISTER16(name, address) \
+ static void write##name(uint16_t _data) { \
+ write(address, _data >> 8); \
+ write(address+1, _data & 0xFF); \
+ } \
+ static uint16_t read##name() { \
+ uint16_t res = read(address); \
+ res = (res << 8) + read(address + 1); \
+ return res; \
+ }
+#define __GP_REGISTER_N(name, address, size) \
+ static uint16_t write##name(uint8_t *_buff) { \
+ return write(address, _buff, size); \
+ } \
+ static uint16_t read##name(uint8_t *_buff) { \
+ return read(address, _buff, size); \
+ }
+
+public:
+ __GP_REGISTER8 (MR, 0x0000); // Mode
+ __GP_REGISTER_N(GAR, 0x0001, 4); // Gateway IP address
+ __GP_REGISTER_N(SUBR, 0x0005, 4); // Subnet mask address
+ __GP_REGISTER_N(SHAR, 0x0009, 6); // Source MAC address
+ __GP_REGISTER_N(SIPR, 0x000F, 4); // Source IP address
+ __GP_REGISTER8 (IR, 0x0015); // Interrupt
+ __GP_REGISTER8 (IMR, 0x0016); // Interrupt Mask
+ __GP_REGISTER16(RTR, 0x0017); // Timeout address
+ __GP_REGISTER8 (RCR, 0x0019); // Retry count
+ __GP_REGISTER8 (RMSR, 0x001A); // Receive memory size
+ __GP_REGISTER8 (TMSR, 0x001B); // Transmit memory size
+ __GP_REGISTER8 (PATR, 0x001C); // Authentication type address in PPPoE mode
+ __GP_REGISTER8 (PTIMER, 0x0028); // PPP LCP Request Timer
+ __GP_REGISTER8 (PMAGIC, 0x0029); // PPP LCP Magic Number
+ __GP_REGISTER_N(UIPR, 0x002A, 4); // Unreachable IP address in UDP mode
+ __GP_REGISTER16(UPORT, 0x002E); // Unreachable Port address in UDP mode
+
+#undef __GP_REGISTER8
+#undef __GP_REGISTER16
+#undef __GP_REGISTER_N
+
+ // W5100 Socket registers
+ // ----------------------
+private:
+ static inline uint8_t readSn(SOCKET _s, uint16_t _addr);
+ static inline uint8_t writeSn(SOCKET _s, uint16_t _addr, uint8_t _data);
+ static inline uint16_t readSn(SOCKET _s, uint16_t _addr, uint8_t *_buf, uint16_t len);
+ static inline uint16_t writeSn(SOCKET _s, uint16_t _addr, uint8_t *_buf, uint16_t len);
+
+ static const uint16_t CH_BASE = 0x0400;
+ static const uint16_t CH_SIZE = 0x0100;
+
+#define __SOCKET_REGISTER8(name, address) \
+ static inline void write##name(SOCKET _s, uint8_t _data) { \
+ writeSn(_s, address, _data); \
+ } \
+ static inline uint8_t read##name(SOCKET _s) { \
+ return readSn(_s, address); \
+ }
+#define __SOCKET_REGISTER16(name, address) \
+ static void write##name(SOCKET _s, uint16_t _data) { \
+ writeSn(_s, address, _data >> 8); \
+ writeSn(_s, address+1, _data & 0xFF); \
+ } \
+ static uint16_t read##name(SOCKET _s) { \
+ uint16_t res = readSn(_s, address); \
+ res = (res << 8) + readSn(_s, address + 1); \
+ return res; \
+ }
+#define __SOCKET_REGISTER_N(name, address, size) \
+ static uint16_t write##name(SOCKET _s, uint8_t *_buff) { \
+ return writeSn(_s, address, _buff, size); \
+ } \
+ static uint16_t read##name(SOCKET _s, uint8_t *_buff) { \
+ return readSn(_s, address, _buff, size); \
+ }
+
+public:
+ __SOCKET_REGISTER8(SnMR, 0x0000) // Mode
+ __SOCKET_REGISTER8(SnCR, 0x0001) // Command
+ __SOCKET_REGISTER8(SnIR, 0x0002) // Interrupt
+ __SOCKET_REGISTER8(SnSR, 0x0003) // Status
+ __SOCKET_REGISTER16(SnPORT, 0x0004) // Source Port
+ __SOCKET_REGISTER_N(SnDHAR, 0x0006, 6) // Destination Hardw Addr
+ __SOCKET_REGISTER_N(SnDIPR, 0x000C, 4) // Destination IP Addr
+ __SOCKET_REGISTER16(SnDPORT, 0x0010) // Destination Port
+ __SOCKET_REGISTER16(SnMSSR, 0x0012) // Max Segment Size
+ __SOCKET_REGISTER8(SnPROTO, 0x0014) // Protocol in IP RAW Mode
+ __SOCKET_REGISTER8(SnTOS, 0x0015) // IP TOS
+ __SOCKET_REGISTER8(SnTTL, 0x0016) // IP TTL
+ __SOCKET_REGISTER16(SnTX_FSR, 0x0020) // TX Free Size
+ __SOCKET_REGISTER16(SnTX_RD, 0x0022) // TX Read Pointer
+ __SOCKET_REGISTER16(SnTX_WR, 0x0024) // TX Write Pointer
+ __SOCKET_REGISTER16(SnRX_RSR, 0x0026) // RX Free Size
+ __SOCKET_REGISTER16(SnRX_RD, 0x0028) // RX Read Pointer
+ __SOCKET_REGISTER16(SnRX_WR, 0x002A) // RX Write Pointer (supported?)
+
+#undef __SOCKET_REGISTER8
+#undef __SOCKET_REGISTER16
+#undef __SOCKET_REGISTER_N
+
+
+private:
+ static const uint8_t RST = 7; // Reset BIT
+
+ static const int SOCKETS = 4;
+ static const uint16_t SMASK = 0x07FF; // Tx buffer MASK
+ static const uint16_t RMASK = 0x07FF; // Rx buffer MASK
+public:
+ static const uint16_t SSIZE = 2048; // Max Tx buffer size
+private:
+ static const uint16_t RSIZE = 2048; // Max Rx buffer size
+ uint16_t SBASE[SOCKETS]; // Tx buffer base address
+ uint16_t RBASE[SOCKETS]; // Rx buffer base address
+
+private:
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+ inline static void initSS() { DDRB |= _BV(4); };
+ inline static void setSS() { PORTB &= ~_BV(4); };
+ inline static void resetSS() { PORTB |= _BV(4); };
+#else
+ inline static void initSS() { DDRB |= _BV(2); };
+ inline static void setSS() { PORTB &= ~_BV(2); };
+ inline static void resetSS() { PORTB |= _BV(2); };
+#endif
+
+};
+
+extern W5100Class W5100;
+
+uint8_t W5100Class::readSn(SOCKET _s, uint16_t _addr) {
+ return read(CH_BASE + _s * CH_SIZE + _addr);
+}
+
+uint8_t W5100Class::writeSn(SOCKET _s, uint16_t _addr, uint8_t _data) {
+ return write(CH_BASE + _s * CH_SIZE + _addr, _data);
+}
+
+uint16_t W5100Class::readSn(SOCKET _s, uint16_t _addr, uint8_t *_buf, uint16_t _len) {
+ return read(CH_BASE + _s * CH_SIZE + _addr, _buf, _len);
+}
+
+uint16_t W5100Class::writeSn(SOCKET _s, uint16_t _addr, uint8_t *_buf, uint16_t _len) {
+ return write(CH_BASE + _s * CH_SIZE + _addr, _buf, _len);
+}
+
+void W5100Class::getGatewayIp(uint8_t *_addr) {
+ readGAR(_addr);
+}
+
+void W5100Class::setGatewayIp(uint8_t *_addr) {
+ writeGAR(_addr);
+}
+
+void W5100Class::getSubnetMask(uint8_t *_addr) {
+ readSUBR(_addr);
+}
+
+void W5100Class::setSubnetMask(uint8_t *_addr) {
+ writeSUBR(_addr);
+}
+
+void W5100Class::getMACAddress(uint8_t *_addr) {
+ readSHAR(_addr);
+}
+
+void W5100Class::setMACAddress(uint8_t *_addr) {
+ writeSHAR(_addr);
+}
+
+void W5100Class::getIPAddress(uint8_t *_addr) {
+ readSIPR(_addr);
+}
+
+void W5100Class::setIPAddress(uint8_t *_addr) {
+ writeSIPR(_addr);
+}
+
+void W5100Class::setRetransmissionTime(uint16_t _timeout) {
+ writeRTR(_timeout);
+}
+
+void W5100Class::setRetransmissionCount(uint8_t _retry) {
+ writeRCR(_retry);
+}
+
+#endif
|