Garage mit RasPi, Versuche mit BLE

2020-07-21 14:14:12 +02:00
parent 88bffc7074
commit c7e64a23ff
8 changed files with 780 additions and 0 deletions
@@ -0,0 +1,95 @@
+#include <BLEDevice.h>
+#include <BLEUtils.h>
+#include <BLEServer.h>
+
+#define ONBOARD_LED  2
+
+#define SERVICE_UUID        "a17881b1-519a-45e5-85c3-ae3acf763e19"
+#define CHARACTERISTIC_UUID "05f4798d-3165-455a-931d-e0aceb723423"
+
+
+bool clientConnected = false;
+
+class MyServerCallbacks: public BLEServerCallbacks {
+  void onConnect (BLEServer * pServer) {
+    clientConnected = true;
+  };
+  void onDisconnect (BLEServer * pServer) {
+    clientConnected = false;
+  }
+};
+
+
+void print_wakeup_reason(){
+  esp_sleep_wakeup_cause_t wakeup_reason;
+
+  wakeup_reason = esp_sleep_get_wakeup_cause();
+
+  switch(wakeup_reason)
+  {
+    case ESP_SLEEP_WAKEUP_EXT0 : Serial.println("Wakeup caused by external signal using RTC_IO"); break;
+    case ESP_SLEEP_WAKEUP_EXT1 : Serial.println("Wakeup caused by external signal using RTC_CNTL"); break;
+    case ESP_SLEEP_WAKEUP_TIMER : Serial.println("Wakeup caused by timer"); break;
+    case ESP_SLEEP_WAKEUP_TOUCHPAD : Serial.println("Wakeup caused by touchpad"); break;
+    case ESP_SLEEP_WAKEUP_ULP : Serial.println("Wakeup caused by ULP program"); break;
+    default : Serial.printf("Wakeup was not caused by deep sleep: %d\n",wakeup_reason); break;
+  }
+}
+ 
+void setup() {
+  Serial.begin(115200);
+  pinMode(ONBOARD_LED,OUTPUT);
+
+  /* Bluetooth */
+  Serial.println("Starting BLE");
+  BLEDevice::init("LeWe Garage Door Impulse");
+  BLEServer *pServer = BLEDevice::createServer();
+
+  pServer->setCallbacks(new MyServerCallbacks());
+  
+  BLEService *pService = pServer->createService(SERVICE_UUID);
+  BLECharacteristic *pCharacteristic = pService->createCharacteristic(CHARACTERISTIC_UUID,BLECharacteristic::PROPERTY_READ | BLECharacteristic::PROPERTY_WRITE);
+  pCharacteristic->setValue("Hallo");
+  pService->start();
+  BLEAdvertising *pAdvertising = BLEDevice::getAdvertising();
+  pAdvertising->addServiceUUID(SERVICE_UUID);
+  pAdvertising->setScanResponse(true);
+//  pAdvertising->setMinPreferred(0x06);  // functions that help with iPhone connections issue
+//  pAdvertising->setMinPreferred(0x12);
+
+//  BLEDevice::startAdvertising();
+  pAdvertising->start();
+
+  Serial.println("Bluetooth characteristic now active");
+
+
+  /* Wait 10 seconds for the clients to find us */
+  for (int i = 0; i < 10; i++) {
+    delay(900);
+    digitalWrite(ONBOARD_LED,HIGH);
+    delay(100);
+    digitalWrite(ONBOARD_LED,LOW);
+  }
+
+
+  /* Enter deep sleep */
+/*  print_wakeup_reason();
+
+  // configure wakeup source
+  esp_sleep_enable_ext0_wakeup(GPIO_NUM_33,1); //1 = High, 0 = Low
+
+  esp_deep_sleep_start();*/
+}
+ 
+void loop() {
+  if (clientConnected) {
+    Serial.println("Client connected");
+  }
+
+  for (int i = 0; i < 10; i++) {
+    delay(400);
+    digitalWrite(ONBOARD_LED,HIGH);
+    delay(100);
+    digitalWrite(ONBOARD_LED,LOW);
+  }
+}