mark: wip work to move stuff around

lib/input/input.cpp

@@ -0,0 +1,47 @@
+#include "input.h"
+
+int cursor_x_position = 0;
+bool joy_btn_clicked = false;
+
+static int joyXMid = 0;
+
+bool joy_btn_click()
+{
+    joy_btn_clicked = true;
+    return digitalRead(JOY_BTN_PIN) == HIGH ? false : true;
+}
+
+void calibrate_joy()
+{
+    int cal_X = 0;
+    for (int i = 0; i < 100; i++)
+    {
+        cal_X += analogRead(JOY_X_PIN);
+    }
+    joyXMid = cal_X / 100;
+}
+
+static const int MID = 100;
+
+int get_joy_x(bool logical)
+{
+    int joyX = analogRead(JOY_X_PIN);
+
+    if (logical)
+    {
+        if (joyX < joyXMid - MID)
+        {
+            return -1;
+        }
+        else if (joyX > joyXMid + MID)
+        {
+            return 1;
+        }
+        else
+        {
+            return 0;
+        }
+    }
+
+    return joyX;
+}