Add q&d badge project

1 files changed, 107 insertions, 0 deletions

diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..3613e36
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,107 @@
+#include <Arduino.h>
+
+#define GxEPD2_DISPLAY_CLASS GxEPD2_BW
+
+#include <GxEPD2_BW.h>
+#include <GxEPD2_3C.h>
+#include <Fonts/FreeMonoBold9pt7b.h>
+#include <Fonts/FreeMonoBold24pt7b.h>
+#include <NimBLEDevice.h>
+
+NimBLEServer *server;
+// HINT: Update the library code, set budy timeout to 30 or 60 seconds!
+// Small color
+// GxEPD2_3C<GxEPD2_213_Z19c, GxEPD2_213_Z19c::HEIGHT> display(GxEPD2_213_Z19c(22, 21, 17, 16));
+// latger b/w
+GxEPD2_BW<GxEPD2_290_T5, GxEPD2_290_T5::HEIGHT> display(GxEPD2_290_T5(22, 21, 17, 16));
+
+unsigned long pressedTime = 0;
+unsigned long releasedTime = 0;
+#define BUTTON_PIN 0
+#define LONG_PRESS_TIME 3000
+#define SLEEP_TIME 10000
+NimBLEAdvertising *pAdvertising;
+
+void display_helloWorld();
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println("Yes, it works!");
+
+  NimBLEDevice::init("Espadge");
+  server = NimBLEDevice::createServer();
+  NimBLEService *service = new NimBLEService("ca260000-b4bb-46b2-bd06-b7b7a61ea990");
+  auto c = service->createCharacteristic("ca260001-b4bb-46b2-bd06-b7b7a61ea990");
+  service->start();
+  c->setValue("1");
+
+  server->addService(service);
+
+  pAdvertising = NimBLEDevice::getAdvertising();
+  pAdvertising->setName("NimBLE");
+  Serial.println("Init display...");
+  display.init(115200, true, 2, false); // USE THIS for Waveshare boards with "clever" reset circuit, 2ms reset pulse
+  display_helloWorld();
+  display.hibernate();
+  Serial.println("Display done.");
+
+  // doesn't work as expected?
+  // gpio_wakeup_enable(GPIO_NUM_0, GPIO_INTR_LOW_LEVEL);
+  // esp_sleep_enable_gpio_wakeup();
+  // esp_light_sleep_start();
+}
+
+void loop()
+{
+  static int lastState = HIGH;
+  int buttonState = digitalRead(BUTTON_PIN);
+  if (lastState == HIGH && buttonState == LOW)
+  {
+    Serial.println("``\\__");
+    pressedTime = millis();
+    lastState = LOW;
+  }
+  else if (lastState == LOW && buttonState == HIGH)
+  {
+    lastState = HIGH;
+    Serial.println("__/``");
+    releasedTime = millis();
+    long pressDuration = releasedTime - pressedTime;
+
+    if (pressDuration > LONG_PRESS_TIME && !pAdvertising->isAdvertising())
+    {
+      Serial.println("Long press detected. Starting advertising...");
+      pAdvertising->start(10000);
+    }
+
+    // if (millis() - releasedTime > SLEEP_TIME && !pAdvertising->isAdvertising())
+    // {
+    //   Serial.println("Go to sleep...");
+    //   esp_light_sleep_start();
+    // }
+  };
+}
+
+void display_helloWorld()
+{
+  // display.clearScreen();
+  static const char HelloWorld[] = "Hello World!";
+  display.setRotation(1);
+  display.setFont(&FreeMonoBold24pt7b);
+  display.setTextColor(GxEPD_BLACK);
+  int16_t tbx, tby;
+  uint16_t tbw, tbh;
+  display.getTextBounds(HelloWorld, 0, 0, &tbx, &tby, &tbw, &tbh);
+  // center the bounding box by transposition of the origin:
+  uint16_t x = ((display.width() - tbw) / 2) - tbx;
+  uint16_t y = ((display.height() - tbh) / 2) - tby;
+  display.setFullWindow();
+  display.firstPage();
+  do
+  {
+    display.fillScreen(GxEPD_YELLOW);
+    display.setCursor(x, y);
+    display.print(HelloWorld);
+  } while (display.nextPage());
+}
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