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/*
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* worked on: arduino1.8.3 - arduino nano 328
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* libs:
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* https://github.com/avishorp/TM1637
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* https://github.com/UIPEthernet/UIPEthernet
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*
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*/
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#define l 3
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#define r 4
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#define CLK 5
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#define DIO 6
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#include <UIPEthernet.h>
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#include <TM1637Display.h>
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EthernetServer server = EthernetServer(1234);
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TM1637Display display(CLK, DIO);
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unsigned char step = 0;
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const uint8_t empty[] = {0x00,0x00,0x00,0x00};
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const uint8_t connected[] = {
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SEG_D | SEG_E | SEG_G, //c
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SEG_C | SEG_D | SEG_E | SEG_G,//o
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SEG_C | SEG_E | SEG_G, //n
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SEG_C | SEG_E | SEG_G //n
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};
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void setup() {
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display.setBrightness(0, false); // Turn off
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display.setSegments(empty);
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Serial.begin(9600);
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uint8_t mac[6] = {0x24, 0xb6, 0xfd, 0x20, 0x69, 0xed };
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Ethernet.begin(mac);
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pinMode(l, INPUT);
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pinMode(r, INPUT);
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Serial.println(Ethernet.localIP());
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server.begin();
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}
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void loop() {
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size_t size;
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Serial.println("Listening port 1234 ");
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Serial.println(Ethernet.localIP());
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if (EthernetClient client = server.available()) {
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client.write('h');
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Serial.println("Connected");
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bool leftp = digitalRead(l) == HIGH;
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bool rightp = digitalRead(r) == HIGH;
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bool conn = true;
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while(client.connected()) {
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if(conn) {
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conn = false;
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display.setBrightness(2, true);
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display.setSegments(connected);
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}
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if(client.available() > 0) {
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char data = client.read();
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Serial.print(data);
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if(data == 'd') {
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Serial.println("Disconnect");
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break;
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}
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}
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if(digitalRead(l) == HIGH) {
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if(!leftp) {
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leftp = true;
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client.write('l');
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client.write('<');
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client.flush();
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}
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} else if(leftp) {
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leftp = false;
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client.write('l');
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client.write('>');
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client.flush();
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}
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if(digitalRead(r) == HIGH) {
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if(!rightp) {
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rightp = true;
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client.write('r');
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client.write('<');
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client.flush();
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}
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} else if(rightp) {
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rightp = false;
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client.write('r');
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client.write('>');
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client.flush();
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}
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delay(2);
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//Serial.print(digitalRead(l));
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//Serial.println(digitalRead(r));
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}
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client.stop();
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}
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delay(1000);
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if(digitalRead(l) == HIGH && digitalRead(r) == HIGH) { // both pressed
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display.setBrightness(7, true); // Turn on
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display.showNumberDec(Ethernet.localIP()[step++], step == 0);//to make the first byte have leading zeros
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step%=4;
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} else {
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display.setBrightness(0, false); // Turn off
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display.setSegments(empty);
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step = 0;
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}
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}
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@ -0,0 +1,109 @@
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/*
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Repeating Web client
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Circuit:
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* Ethernet shield attached to pins 10, 11, 12, 13
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* Sensor mit 4,7K Ohm auf Data <->5V auf pin 9
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*/
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#include <SPI.h>
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#include <Ethernet.h>
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#include <EthernetUdp.h>
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#include <OneWire.h>
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#include <DallasTemperature.h>
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#define host "10.188.17.6"
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#define port 1234
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byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};
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// initialize the library instance:
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EthernetClient client;
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OneWire oneWire(9);
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EthernetUDP Udp;
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// Pass our oneWire reference to Dallas Temperature.
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DallasTemperature sensors(&oneWire);
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char server[] = host;
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unsigned long lastConnectionTime = 0; // last time you connected to the server, in milliseconds
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const unsigned long postingInterval = 10000L; // delay between updates, in milliseconds
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// the "L" is needed to use long type numbers
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void setup() {
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Serial.begin(9600);
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while (!Serial);
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// give the ethernet module time to boot up:
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delay(1000);
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// start the Ethernet connection using a fixed IP address and DNS server:
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Ethernet.begin(mac);
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// print the Ethernet board/shield's IP address:
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Serial.print("My IP address: ");
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Serial.println(Ethernet.localIP());
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sensors.begin();
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Udp.begin(1234);
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}
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void loop() {
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// if there's incoming data from the net connection.
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// send it out the serial port. This is for debugging
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// purposes only:
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if (client.available()) {
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char c = client.read();
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Serial.write(c);
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}
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// if ten seconds have passed since your last connection,
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// then connect again and send data:
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if (millis() - lastConnectionTime > postingInterval) {
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httpRequest();
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delay(10);
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} else {
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delay(20);
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}
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}
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void httpRequest() {
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Serial.println("Sending");
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//client.stop();
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sensors.requestTemperatures();
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Udp.beginPacket(server, port);
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int temp = sensors.getTempCByIndex(0)*100;
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Serial.println(temp);
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char out[] = {
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(char) ((temp & 0XFF000000) >> 24) ,
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(char) ((temp & 0X00FF0000) >> 16),
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(char) ((temp & 0X0000FF00) >> 8),
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(char) (temp & 0X000000FF)
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};
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Udp.write(out , 4);
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Udp.endPacket();
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Serial.println(out[0], HEX);
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Serial.println(out[1], HEX);
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Serial.println(out[2], HEX);
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Serial.println(out[3], HEX);
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lastConnectionTime = millis();
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/*if (client.connect(server, 80)) {
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Serial.println("connecting...");
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// send the HTTP GET request:
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client.print("POST /temp/");
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client.print(sensors.getTempCByIndex(0));
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client.println("HTTP/1.1");
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client.print("Host: ");
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client.print(host);
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client.println("User-Agent: BOT");
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client.println("Connection: close");
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client.println();
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client.println();
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lastConnectionTime = millis();
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} else {
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Serial.println("connection failed");
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}*/
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}
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