Stepper: Demo

firmware/src/buzzer.cpp

@@ -2,14 +2,6 @@
 #include "constants.h"
 #include <Arduino.h>
 
-void helloBuzz() {
-  tone(BUZZER_PIN, 500, 100);
-  delay(100);
-  tone(BUZZER_PIN, 1000, 100);
-  delay(100);
-  tone(BUZZER_PIN, 4000, 100);
-}
-
 void happyBuzz() {
   tone(BUZZER_PIN, 1500, 50);
   delay(75);

firmware/src/buzzer.h

@@ -1,6 +1,5 @@
 #pragma once
 
-void helloBuzz();
 void happyBuzz();
 void sadBuzz();
 void beep();

firmware/src/constants.h

@@ -30,6 +30,6 @@
 
 // --- Z axis motor
 
-#define STEPPER_ENABLE 8
-#define STEPPER_DIR 9
-#define STEPPER_STEP 10
+#define STEPPER_ENABLE 10
+#define STEPPER_DIR 8
+#define STEPPER_STEP 9

firmware/src/main.cpp

@@ -9,6 +9,7 @@
 #include "debug.h"
 #include "timer.h"
 #include "stepper.h"
+#include "memes.h"
 
 void setup() {
   setupDebug();
@@ -22,14 +23,12 @@ void setup() {
     fatal();
   }
 
-  helloBuzz();
+  splashScreen();
 }
 
-void loop() {
-  // debugScanI2C();
-  // demoScreen();
-  // demoStepper();
 
+void loop() {
+  debugScanI2C();
   demoTimer();
 
   auto key = handleKeyboard();
@@ -53,8 +52,6 @@ void loop() {
       sadBuzz();
     } else if (key == KEY_C) {
       beep();
-    } else if (key == KEY_D) {
-      tick();
     } else {
       tick();
     }
@@ -68,5 +65,6 @@ void loop() {
   if (auto event = handleEncoder()) {
     tick();
     Serial.println(event == ENCODER_CLOCKWISE ? "Clockwise" : "Counter-clockwise");
+    demoStepper(event == ENCODER_CLOCKWISE ? LOW : HIGH);
   }
 }

firmware/src/memes.cpp

@@ -0,0 +1,28 @@
+#include <Arduino.h>
+
+#include "screen.h"
+#include "buzzer.h"
+#include "constants.h"
+
+void splashScreen() {
+  // lcd is slow, so we have to issue commands sufficiently early
+  // to synchronize with the hello buzz
+  lcd.clear();
+  lcd.print("  cewk");
+  delay(100);
+  tone(BUZZER_PIN, 500, 180);
+  delay(20);
+  lcd.print("-o-");
+  delay(100);
+  tone(BUZZER_PIN, 1000, 180);
+  delay(20);
+  lcd.print("mator");
+  delay(100);
+  tone(BUZZER_PIN, 4000, 180);
+  delay(500);
+  lcd.setCursor(0, 1);
+  lcd.print("   HSWAW 2024   ");
+  delay(300);
+  lcd.setCursor(0, 1);
+  lcd.print("by");
+}

firmware/src/memes.h

@@ -0,0 +1 @@
+void splashScreen();

firmware/src/screen.cpp

@@ -17,8 +17,3 @@ bool setupScreen() {
   lcd.clear();
   return true;
 }
-
-void demoScreen() {
-  lcd.print("  cewk-o-mator  ");
-  lcd.print("   HSWAW 2024   ");
-}

firmware/src/screen.h

@@ -1,6 +1,8 @@
 #pragma once
 
 #include <Arduino.h>
+#include <LCD_I2C.h>
+
+extern LCD_I2C lcd;
 
 bool setupScreen();
-void demoScreen();

firmware/src/stepper.cpp

@@ -10,16 +10,12 @@ void setupStepper() {
   digitalWrite(STEPPER_ENABLE, LOW);
 }
 
-bool stepperDir = HIGH;
-
-void demoStepper() {
-  Serial.println("Demoing stepper motor - rotating 200 steps");
-  stepperDir = !stepperDir;
-  digitalWrite(STEPPER_DIR, stepperDir);
-  for (int i = 0; i < 200; i++) {
+void demoStepper(bool dir) {
+  digitalWrite(STEPPER_DIR, dir);
+  for (int i = 0; i < 3200; i++) {
     digitalWrite(STEPPER_STEP, HIGH);
-    delay(2);
+    delayMicroseconds(25);
     digitalWrite(STEPPER_STEP, LOW);
-    delay(7);
+    delayMicroseconds(25);
   }
 }

firmware/src/stepper.h

@@ -1,4 +1,4 @@
 #pragma once
 
 void setupStepper();
-void demoStepper();
+void demoStepper(bool dir);