Initial commit

2025-10-30 14:45:28 +01:00
commit 4de531147e
3 changed files with 372 additions and 0 deletions
--- a/SSD1306_sketch.ino
+++ b/SSD1306_sketch.ino
@@ -0,0 +1,139 @@
+#include <Wire.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_SSD1306.h>
+
+// Screen dimensions
+#define SCREEN_WIDTH 128
+#define SCREEN_HEIGHT 64
+
+// OLED display setup
+#define OLED_RESET -1
+Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
+
+// Button pins
+#define UP_BUTTON_PIN     PA0
+#define DOWN_BUTTON_PIN   PA1
+#define OK_BUTTON_PIN     PA2
+#define CANCEL_BUTTON_PIN PA3
+
+// IBT_2 Motor Driver pins
+#define RPWM_PIN PB0
+#define LPWM_PIN PB1
+
+// Motor control variables
+int motorSpeed = 0;
+bool motorDirection = true; // true for forward, false for reverse
+bool motorEnabled = false;
+
+void setup() {
+  Serial.begin(115200);
+
+  // Initialize OLED display
+  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
+    Serial.println(F("SSD1306 allocation failed"));
+    for(;;);
+  }
+
+  // Button pin setup with internal pull-up resistors
+  pinMode(UP_BUTTON_PIN, INPUT_PULLUP);
+  pinMode(DOWN_BUTTON_PIN, INPUT_PULLUP);
+  pinMode(OK_BUTTON_PIN, INPUT_PULLUP);
+  pinMode(CANCEL_BUTTON_PIN, INPUT_PULLUP);
+
+  // Motor driver pin setup
+  pinMode(RPWM_PIN, OUTPUT);
+  pinMode(LPWM_PIN, OUTPUT);
+
+  updateDisplay();
+}
+
+void loop() {
+  bool needsUpdate = false;
+
+  // Button handling
+  if (digitalRead(UP_BUTTON_PIN) == LOW) {
+    Serial.println("Up button pressed");
+    motorSpeed += 5;
+    if (motorSpeed > 255) motorSpeed = 255;
+    needsUpdate = true;
+    delay(100); // Simple debounce
+  }
+
+  if (digitalRead(DOWN_BUTTON_PIN) == LOW) {
+    Serial.println("Down button pressed");
+    motorSpeed -= 5;
+    if (motorSpeed < 0) motorSpeed = 0;
+    needsUpdate = true;
+    delay(100); // Simple debounce
+  }
+
+  if (digitalRead(OK_BUTTON_PIN) == LOW) {
+    Serial.println("OK button pressed");
+    motorEnabled = !motorEnabled;
+    needsUpdate = true;
+    delay(200); // Simple debounce
+  }
+
+  if (digitalRead(CANCEL_BUTTON_PIN) == LOW) {
+    Serial.println("Cancel button pressed");
+    motorDirection = !motorDirection;
+    needsUpdate = true;
+    delay(200); // Simple debounce
+  }
+
+  // Only update the display if a button was pressed
+  if (needsUpdate) {
+    updateDisplay();
+  }
+
+  // Update motor driver
+  if (motorEnabled) {
+    if (motorDirection) {
+      analogWrite(RPWM_PIN, motorSpeed);
+      analogWrite(LPWM_PIN, 0);
+    } else {
+      analogWrite(RPWM_PIN, 0);
+      analogWrite(LPWM_PIN, motorSpeed);
+    }
+  } else {
+    analogWrite(RPWM_PIN, 0);
+    analogWrite(LPWM_PIN, 0);
+  }
+}
+
+void updateDisplay() {
+  display.clearDisplay();
+  display.setTextColor(SSD1306_WHITE);
+
+  // --- TOP YELLOW SECTION (Labels) ---
+  display.setTextSize(1);
+  display.setCursor(5, 4);
+  display.print("SPEED");
+  display.setCursor(50, 4);
+  display.print("DIR");
+  display.setCursor(95, 4);
+  display.print("STATE");
+  display.drawLine(0, 15, 127, 15, SSD1306_WHITE); // Separator line
+
+  // --- BOTTOM BLUE SECTION (Values) ---
+  display.setTextSize(2);
+  
+  // Display Speed Value with padding for alignment
+  display.setCursor(0, 25);
+  if (motorSpeed < 10) {
+    display.print("  ");
+  } else if (motorSpeed < 100) {
+    display.print(" ");
+  }
+  display.print(motorSpeed);
+  
+  // Display Direction Value
+  display.setCursor(45, 25);
+  display.print(motorDirection ? "FWD" : "REV");
+  
+  // Display State Value
+  display.setCursor(95, 25);
+  display.print(motorEnabled ? "ON" : "OFF");
+
+  display.display();
+}