customize: wire diamater

firmware/src/customize.cpp

@@ -0,0 +1,95 @@
+#include "input.h"
+#include "buzzer.h"
+#include "screen.h"
+#include "characters.h"
+
+String wireDiameterInput = "";
+int8_t dotPosition = -1;
+
+#define ENCODER_STEP 0.1
+
+void customize_setup();
+void customize_update();
+
+void customize() {
+  customize_setup();
+  while (true) {
+    auto input = handleInput();
+
+    if (input.key) {
+      auto len = wireDiameterInput.length();
+      auto digit = getPressedDigit(input.key);
+      if (input.key == KEY_HASH) {
+        if (len) {
+          if (dotPosition == len - 1) {
+            dotPosition = -1;
+          }
+          wireDiameterInput = wireDiameterInput.substring(0, len - 1);
+          tick();
+        } else {
+          beep();
+        }
+      } else if (wireDiameterInput.length() >= 8) {
+        beep();
+      } else if (digit != -1) {
+        wireDiameterInput += digit;
+        tick();
+      } else if (input.key == KEY_ASTERISK) {
+        if (dotPosition == -1 && len >= 1) {
+          dotPosition = wireDiameterInput.length();
+          wireDiameterInput += ".";
+          tick();
+        } else {
+          beep();
+        }
+      } else {
+        beep();
+      }
+
+      customize_update();
+    } else if (input.encoderEvent) {
+      if (wireDiameterInput.length() == 0) {
+        wireDiameterInput = "0";
+      }
+
+      auto len = wireDiameterInput.length();
+      auto previousDecimalPlaces = dotPosition == -1 ? 0 : len - dotPosition - 1;
+
+      auto wireDia = wireDiameterInput.toFloat();
+      wireDia += input.encoderEvent * ENCODER_STEP;
+      if (wireDia < 0) {
+        wireDia = 0;
+        beep();
+      } else {
+        tick();
+      }
+
+      wireDiameterInput = String(wireDia, max(previousDecimalPlaces, 1));
+      dotPosition = wireDiameterInput.indexOf('.');
+
+      customize_update();
+    } else if (input.hasInput && input.switchEvent != SWITCH_PRESSED) {
+      beep();
+    }
+  }
+}
+
+void customize_setup() {
+  wireDiameterInput = "";
+  dotPosition = -1;
+
+  lcd.clear();
+  lcd.print("Wire diameter:");
+  lcd.setCursor(14, 1);
+  lcd.print("mm");
+  lcd.cursor();
+  customize_update();
+}
+
+void customize_update() {
+  lcd.setCursor(0, 1);
+  lcd.print(wireDiameterInput);
+  // Delete following character (if backspace was pressed), then move cursor back to position
+  lcd.write(' ');
+  lcd.setCursor(wireDiameterInput.length(), 1);
+}

firmware/src/customize.h

@@ -0,0 +1,3 @@
+#pragma once
+
+void customize();

firmware/src/menu.cpp

@@ -2,6 +2,7 @@
 #include "buzzer.h"
 #include "screen.h"
 #include "characters.h"
+#include "customize.h"
 
 uint8_t menuPos = 0;
 #define MENU_ITEMS 2
@@ -24,8 +25,7 @@ void menu() {
     } else if (input.switchEvent == SWITCH_RELEASED) {
       switch (menuPos) {
         case 0:
-          Serial.println("Unimplemented");
-          sadBuzz();
+          customize();
           break;
         case 1:
           help();
@@ -56,7 +56,7 @@ void menu_update() {
 
 void help() {
   lcd.clear();
-  lcd.print("Read the source");
+  lcd.print("Use the source");
   lcd.setCursor(0, 1);
   lcd.print("code, Luke ;^)");
   beep();