CODE ARDUINO DIY máy in phẳng epson L800
up đoạn code arduino này cho các bạn yêu thích tham khảo cho ý kiến
quan trọng là điểm đọc encoder chuyển sang pulse cho motor (step hay servo)
Mã:
/* DIY DTG Arduino Uno code for Epson L800 DIY máy in phẳng UV(cẩn thận mua mực xịn nếu mua mực dỏm ; hư đầu in ráng chụi nha)
* http://www.cncprovn.com
* http://forum.cncprovn.com/forums/80-Arduino
* Created: 26/4/2018
*/
#define ENCODER_OPTIMIZE_INTERRUPTS
#include <Encoder.h>
#include <Bounce2.h>
//Khai báo chân encoder
Encoder epsonEncoder(2, 3);
//Khai báo các nút nhấn (lấy khay in ra nút 5 )(đẩy khay in vào nút 4)(in trắng 2 pass nút 6)(cảm biến nhận in nút 10 start print)
int peSignal = 10;
int inBtn = 4;
int outBtn = 5;
int passBtn = 6;
int motorEnable = 7; // enable driver(step hay servo)
int motorDirection = 8; // driver dir pin
int motorStep = 9; // driver Pulse pin
int backStop = 11; // Back or Home position
// khai báo các pulse (khoảng cách lấy khay in )ra vào
int stepperPosition;
int stepperCount;
int stepperFactor = 35;
int platenState;
int passCount;
int maxPasses;
int ejectSpeed = 550;
int homeSpeed = 750;
int maxSteps = 9000;
long platenEncoder = 260000;
int peMinEncoder = 12000;
int peMaxEncoder = 12500;
long positionEncoder = -800;
long newEncoder;
Bounce debouncer_inBtn = Bounce();
Bounce debouncer_outBtn = Bounce();
Bounce debouncer_backStop = Bounce();
void setup() {
Serial.begin(115200);
Serial.println("Epson Encoder:");
pinMode(motorStep, OUTPUT);
pinMode(motorDirection, OUTPUT);
pinMode(passBtn, INPUT_PULLUP);
platenState = 1;
stepperPosition = 0;
stepperCount = 0;
passCount = 0;
pinMode(inBtn,INPUT_PULLUP);
debouncer_inBtn.attach(inBtn);
debouncer_inBtn.interval(5);
pinMode(outBtn,INPUT_PULLUP);
debouncer_outBtn.attach(outBtn);
debouncer_outBtn.interval(5);
pinMode(backStop,INPUT_PULLUP);
debouncer_backStop.attach(backStop);
debouncer_backStop.interval(5);
analogWrite(peSignal, 165);
}
void loop() {
debouncer_inBtn.update();
debouncer_outBtn.update();
debouncer_backStop.update();
int value_inBtn = debouncer_inBtn.read();
int value_outBtn = debouncer_outBtn.read();
int value_backStop = debouncer_backStop.read();
if (value_inBtn == LOW & (stepperPosition) > 0){
platenState = 2;
passCount = 0; // Reset the pass counter to 0.
}
if (value_outBtn == LOW & (stepperPosition) < (maxSteps)) {
platenState = 4;
}
switch (platenState) {
case 1:
if (value_backStop == LOW) {
epsonEncoder.write(0);
stepperPosition = 0;
platenState = 4;
break;
}
digitalWrite(motorDirection, HIGH); // Set motor to reverse
digitalWrite(motorStep, HIGH); // Take a step
delayMicroseconds(homeSpeed); // Step Speed
digitalWrite(motorStep, LOW);
break;
case 2:
if (value_backStop == LOW) {
epsonEncoder.write(0);
stepperPosition = 0;
platenState = 3;
break;
}
digitalWrite(motorDirection, HIGH);
digitalWrite(motorStep, HIGH);
delayMicroseconds(homeSpeed);
digitalWrite(motorStep, LOW);
stepperPosition--;
break;
case 3:
if (value_backStop == LOW) {
digitalWrite(motorDirection, LOW);
digitalWrite(motorStep, HIGH);
delayMicroseconds(12500);
digitalWrite(motorStep, LOW);
break;
}
newEncoder = epsonEncoder.read();
if (newEncoder != positionEncoder) {
stepperCount = newEncoder / stepperFactor;
Serial.print("Encoder = ");
Serial.print(newEncoder);
Serial.println();
Serial.print("Stepper Count = ");
Serial.print(stepperCount);
Serial.println();
Serial.println();
positionEncoder = newEncoder;
}
if (stepperCount > stepperPosition) {
digitalWrite(motorDirection, LOW);
digitalWrite(motorStep, HIGH);
digitalWrite(motorStep, LOW);
stepperPosition++;
}
if (stepperCount < stepperPosition) {
digitalWrite(motorDirection, HIGH);
digitalWrite(motorStep, HIGH);
digitalWrite(motorStep, LOW);
stepperPosition--;
}
if ((newEncoder) > peMinEncoder & (newEncoder) < peMaxEncoder) {
analogWrite(peSignal, 0);
}
if ((newEncoder) > platenEncoder) {
analogWrite(peSignal, 165);
passCount = passCount + 1;
if (digitalRead(passBtn) == HIGH){
maxPasses = 1;
}
else
{
maxPasses = 2;
}
if (passCount == maxPasses){
platenState = 4;
}
else
{
platenState = 2; // Send the platen back in for automatic 2nd pass
}
}
break;
case 4:
if (stepperPosition > maxSteps) {
platenState = 0;
}
digitalWrite(motorDirection, LOW);
digitalWrite(motorStep, HIGH);
delayMicroseconds(ejectSpeed);
digitalWrite(motorStep, LOW);
stepperPosition++;
break;
default:
break;
}
}
