Lesen und Schreiben der Motornachlaufzeit ins EEPROM mit Entertaste zugefügt

Arduino/etima/etima.ino

@@ -2,6 +2,7 @@
 #include <Wire.h>
 #include <Adafruit_GFX.h>
 #include <Adafruit_SSD1306.h>
+#include <EEPROM.h>
 
 #define SCREEN_WIDTH 128 // OLED display width, in pixels
 #define SCREEN_HEIGHT 64 // OLED display height, in pixels
@@ -84,6 +85,8 @@ B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00
 };
 unsigned char MotorDelay = 1;
 unsigned char MotorDelayOld = 0;
+unsigned char MotorDelayEEPROM = 0;
+unsigned long previousMillis = 0;
 int UP = 0;
 int DOWN = 0;
 int ENTER = 0;
@@ -95,8 +98,7 @@ void setup() {
 pinMode(SCK, INPUT);
 pinMode(MOSI, INPUT);
 pinMode(MISO, INPUT);
-
- Serial.begin(9600);
+  Serial.begin(9600);
 
   // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
   if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
@@ -108,9 +110,13 @@ pinMode(MISO, INPUT);
  // Clear the buffer
   display.clearDisplay();
  display.display();
-   }
+    MotorDelayEEPROM = EEPROM.read(0);
+    MotorDelay = MotorDelayEEPROM;
+      }
 
 void loop() {
+    unsigned long currentMillis = millis();
+
     UP = digitalRead(SCK);
     DOWN = digitalRead(MOSI);
     ENTER = digitalRead(MISO);
@@ -118,8 +124,8 @@ void loop() {
     display.setTextColor(SSD1306_WHITE);        // Draw white text
     display.setCursor(0,0);             // Start at top-left corner
     if (MotorDelay != MotorDelayOld){
- display.clearDisplay();
-      display.println(F("Delay: ")); display.println(MotorDelay); display.println(MotorDelayOld);
+      display.clearDisplay();
+      display.println(F("Delay: ")); display.println(MotorDelay); display.println(MotorDelayEEPROM);
       display.display();
       MotorDelayOld = MotorDelay;
    }
@@ -129,6 +135,21 @@ void loop() {
    if(DOWN == 1 && DOWN !=  DOWN_OLD){
     MotorDelay--;
    } 
+   if (ENTER == 1){
+   if (currentMillis - previousMillis >= 2000) {
+    // save the last time you blinked the LED
+    previousMillis = currentMillis;
+    EEPROM.write(0, MotorDelay);
+    MotorDelayEEPROM = EEPROM.read(0);
+       display.clearDisplay();
+      display.println(F("Delay: ")); display.println(MotorDelay); display.println(MotorDelayEEPROM);
+      display.display();
+      MotorDelayOld = MotorDelay;
+   }
+   }
+   else {
+    previousMillis = currentMillis;
+   }
    UP_OLD = UP;
    DOWN_OLD = DOWN;
    ENTER_OLD = ENTER;

README.md

@@ -35,6 +35,7 @@ Arduino Programm für unsere EtiMa
         - Adadfruit 1306 Library
         - Adafruit GFX library
         - Adafruit_BusIO library
+        - EEPROM.h library
   - EtiMa: LT 50 (Von verschiedensten chinesischen Herstellern unter ähnlichem Namen)
 
 Bei der in Deutschland gekauften Etiketiermaschine war trotz Metalgehäuse