{"id":3399,"date":"2017-08-02T09:51:50","date_gmt":"2017-08-02T06:51:50","guid":{"rendered":"http:\/\/roboromania.ro\/?p=3399"},"modified":"2018-01-26T10:39:25","modified_gmt":"2018-01-26T07:39:25","slug":"arduino-rotary-encoder-roboromania-tutorial-pentru-incepatori","status":"publish","type":"post","link":"https:\/\/roboromania.ro\/?p=3399","title":{"rendered":"Arduino Rotary Encoder Roboromania Tutorial pentru \u00eencep\u0103tori"},"content":{"rendered":"

Arduino Rotary Encoder Roboromania Tutorial pentru \u00eencep\u0103tori<\/span><\/h4>\n

\"default_comp26\"<\/a><\/p>\n

O schema simpla :<\/p>\n

Afi\u0219eaz\u0103 pe serial pozi\u021bia encoderului<\/p>\n

\"rotary-encoder-arduino-tutorial-roboromania-wiring\"<\/a> \"rotary-encoder-arduino-tutorial-roboromania\"<\/a><\/p>\n

\u0218i un cod simplu :<\/p>\n

\/\/ Arduino Rotary Encoder Tutorial<\/span>
\nint encoderCLK = 2;<\/span>
\nint encoderDT = 4;<\/span><\/p>\n

volatile int lastEncoded = 0;<\/span>
\nvolatile long encoderValue = 0;<\/span><\/p>\n

long lastencoderValue = 0;<\/span><\/p>\n

int lastMSB = 0;<\/span>
\nint lastLSB = 0;<\/span><\/p>\n

void setup() {<\/span>
\n Serial.begin (9600);<\/span><\/p>\n

pinMode(encoderCLK, INPUT); <\/span>
\n pinMode(encoderDT, INPUT);<\/span><\/p>\n

digitalWrite(encoderCLK, HIGH); \/\/turn pullup resistor on<\/span>
\n digitalWrite(encoderDT, HIGH); \/\/turn pullup resistor on<\/span><\/p>\n

\/\/call updateEncoder() when any high\/low changed seen<\/span>
\n \/\/on interrupt 0 (pin 2), or interrupt 1 (pin 3) <\/span>
\n attachInterrupt(0, updateEncoder, CHANGE); <\/span>
\n attachInterrupt(1, updateEncoder, CHANGE);<\/span>
\n}<\/span><\/p>\n

void loop(){ <\/span>
\n Serial.println(encoderValue);<\/span>
\n delay(10);<\/span>
\n}<\/span><\/p>\n

void updateEncoder(){<\/span>
\n int MSB = digitalRead(encoderCLK); \/\/MSB = most significant bit<\/span>
\n int LSB = digitalRead(encoderDT); \/\/LSB = least significant bit<\/span><\/p>\n

int encoded = (MSB << 1) |LSB; \/\/converting the 2 pin value to single number<\/span>
\n int sum = (lastEncoded << 2) | encoded; \/\/adding it to the previous encoded value<\/span><\/p>\n

if(sum == 0b1101 || sum == 0b0100 || sum == 0b0010 || sum == 0b1011) encoderValue ++;<\/span>
\n if(sum == 0b1110 || sum == 0b0111 || sum == 0b0001 || sum == 0b1000) encoderValue –;<\/span><\/p>\n

lastEncoded = encoded; \/\/store this value for next time<\/span>
\n}<\/span><\/p>\n

\/\/ Arduino Rotary Encoder Tutorial<\/span><\/p>\n

Pentru butonul SW folosim exemplu clasic de la Arduino :<\/p>\n

\/\/ Button<\/span>
\n\/\/ set pin numbers:<\/span>
\nconst int buttonPin = 5; \/\/ the number of the pushbutton pin<\/span>
\nconst int ledPin = 13; \/\/ the number of the LED pin<\/span><\/p>\n

\/\/ variables will change:<\/span>
\nint buttonState = 0; \/\/ variable for reading the pushbutton status<\/span><\/p>\n

void setup() {<\/span>
\n \/\/ initialize the LED pin as an output:<\/span>
\n pinMode(ledPin, OUTPUT);<\/span>
\n \/\/ initialize the pushbutton pin as an input:<\/span>
\n pinMode(buttonPin, INPUT);<\/span>
\n}<\/span><\/p>\n

void loop() {<\/span>
\n \/\/ read the state of the pushbutton value:<\/span>
\n buttonState = digitalRead(buttonPin);<\/span><\/p>\n

\/\/ check if the pushbutton is pressed.<\/span>
\n \/\/ if it is, the buttonState is HIGH:<\/span>
\n if (buttonState == HIGH) {<\/span>
\n \/\/ turn LED on:<\/span>
\n digitalWrite(ledPin, HIGH);<\/span>
\n } else {<\/span>
\n \/\/ turn LED off:<\/span>
\n digitalWrite(ledPin, LOW);<\/span>
\n }<\/span>
\n}<\/span>
\n\/\/ Button<\/span><\/p>\n

Succes !<\/p>\n

Colectivul Roboromania<\/p>\n","protected":false},"excerpt":{"rendered":"

Arduino Rotary Encoder Roboromania Tutorial pentru \u00eencep\u0103tori O schema simpla : Afi\u0219eaz\u0103 pe serial pozi\u021bia encoderului \u0218i un cod simplu : \/\/ Arduino Rotary Encoder Tutorial int encoderCLK = 2; int encoderDT = 4; volatile int lastEncoded = 0; volatile long encoderValue = 0; long lastencoderValue = 0; int lastMSB = 0; int lastLSB = […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[176],"tags":[],"class_list":["post-3399","post","type-post","status-publish","format-standard","hentry","category-tutoriale-arduino"],"_links":{"self":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/posts\/3399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3399"}],"version-history":[{"count":3,"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/posts\/3399\/revisions"}],"predecessor-version":[{"id":4202,"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/posts\/3399\/revisions\/4202"}],"wp:attachment":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}