测试蓝牙模块

include/bt.h

@@ -0,0 +1,2 @@
+void bt_init();
+void bt_loop();

platformio.ini

@@ -12,5 +12,7 @@
 platform = espressif32
 board = esp32doit-devkit-v1
 framework = arduino
-lib_deps = madhephaestus/ESP32Servo@^0.12.0
+lib_deps = 
+	madhephaestus/ESP32Servo@^0.12.0
+	h2zero/NimBLE-Arduino@^1.4.1
 monitor_speed = 115200

src/bt.cpp

@@ -0,0 +1,28 @@
+#include <NimBLEDevice.h>
+
+#define SERVICE_UUID "4fafc201-1fb5-459e-8fcc-c5c9c331914b"
+#define CHARACTERISTIC_UUID "beb5483e-36e1-4688-b7f5-ea07361b26a8"
+
+void bt_init() {
+  Serial.println("BLE START");
+
+  BLEDevice::init("BOT");
+  BLEServer* pServer = BLEDevice::createServer();
+  BLEService* pService = pServer->createService(SERVICE_UUID);
+  BLECharacteristic* pCharacteristic = pService->createCharacteristic(
+      CHARACTERISTIC_UUID, NIMBLE_PROPERTY::READ | NIMBLE_PROPERTY::WRITE);
+
+  pCharacteristic->setValue("Hello World says Neil");
+  pService->start();
+  BLEAdvertising* pAdvertising = BLEDevice::getAdvertising();
+  pAdvertising->addServiceUUID(SERVICE_UUID);
+  pAdvertising->setScanResponse(true);
+  pAdvertising->setMinPreferred(0x06);
+  pAdvertising->setMaxPreferred(0x12);
+
+  BLEDevice::startAdvertising();
+
+  Serial.println("Characteristic defined! Now you can read it in your phone!");
+}
+
+void bt_loop() {}

src/main.cpp

@@ -1,12 +1,15 @@
 #include <Arduino.h>
 #include <servo.h>
+#include <bt.h>
 
 void setup() {
   Serial.begin(115200);
   servo_init();
+  bt_init();
 }
 
 void loop() {
   servo_loop();
-  delay(1000);
+  bt_loop();
+  delay(100);
 }

src/servo.cpp

@@ -41,5 +41,4 @@ void servo_loop() {
     servo[i].detach();
   }
   pwm.detachPin(27);
-  delay(500);
 }