Added GUI.

GUI/GUI/GUI.ino

@@ -0,0 +1,92 @@
+#include <M5Core2.h>
+#include "icons.cpp" // icons
+
+ButtonColors noDraw = {NODRAW, NODRAW, NODRAW};
+Button screenModeButton(0, 190, 50, 50, false, "", noDraw);
+Button restartButton(200, 191, 45, 50, false, "", noDraw);
+Button powerOffButton(260, 186, 55, 55, false, "", noDraw);
+
+enum screenMode {DARK, LIGHT};
+screenMode COLOR_MODE = LIGHT;
+
+uint16_t COLORS[2] = {WHITE, BLACK};
+
+void setup() {
+  M5.begin();
+  
+  screenModeButton.addHandler(screenModeHandler, E_TOUCH);
+  restartButton.addHandler(restartHandler, E_TOUCH);
+  powerOffButton.addHandler(powerOffHandler, E_TOUCH);
+  drawGui(COLOR_MODE);
+
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  M5.update();
+}
+
+void drawGui(screenMode COLOR_MODE) {
+  M5.Lcd.clear();
+  M5.Lcd.fillScreen((COLORS[COLOR_MODE] - 1) % 2);
+  M5.Lcd.setTextColor(COLORS[COLOR_MODE]);
+
+  // HEADER
+  if (COLOR_MODE == DARK) {
+    M5.lcd.drawBitmap(5, 5, 50, 50, (uint16_t *) signal_white_2_3);
+  } else {
+    M5.lcd.drawBitmap(5, 5, 50, 50, (uint16_t *) signal_1_3);
+  }
+
+  M5.Lcd.drawString("100", 60, 20, 4);
+
+  if (COLOR_MODE == DARK) {
+    M5.lcd.drawBitmap(280, 5, 30, 50, (uint16_t *) bluetooth_dark);
+  } else {
+    M5.lcd.drawBitmap(280, 5, 30, 50, (uint16_t *) bluetooth_light);
+  }
+
+  M5.Lcd.drawLine(0, 60, 320, 60, COLORS[COLOR_MODE]);
+
+  // BODY
+  M5.Lcd.drawString("Attention", 20, 80, 4);
+  M5.Lcd.drawString("Meditation", 160, 80, 4);
+
+  M5.Lcd.drawString("20", 60, 130, 4);
+  M5.Lcd.drawString("0", 220, 130, 4);
+
+  // BOTTOM
+  M5.Lcd.drawLine(0, 180, 320, 180, COLORS[COLOR_MODE]);
+  screenModeButton.draw();
+  if (COLOR_MODE == DARK) {
+    M5.lcd.drawBitmap(0, 191, 50, 50, (uint16_t *) modeSwitchDark);
+    M5.lcd.drawBitmap(200, 191, 45, 50, (uint16_t *) restart_white);
+    M5.lcd.drawBitmap(260, 186, 55, 55, (uint16_t *) power_off_white);    
+  } else {
+    M5.lcd.drawBitmap(0, 191, 50, 50, (uint16_t *) modeSwitchLight);
+    M5.lcd.drawBitmap(200, 191, 45, 50, (uint16_t *) restart);
+    M5.lcd.drawBitmap(260, 186, 55, 55, (uint16_t *) power_off);
+  }
+
+  
+  
+  
+}
+
+void screenModeHandler(Event& e) {
+  if (COLOR_MODE == DARK) {
+    COLOR_MODE = LIGHT;
+  } else {
+    COLOR_MODE = DARK;
+  }
+
+  drawGui(COLOR_MODE);
+}
+
+void restartHandler(Event& e) {
+  M5.shutdown(1);
+}
+
+void powerOffHandler(Event& e) {
+  M5.shutdown();  
+}