v1.3增加一个简单的越障模式

v1.3/lib/NimBLE-Arduino/examples/Bluetooth_5/NimBLE_extended_client/NimBLE_extended_client.ino

@@ -0,0 +1,171 @@
+
+/** NimBLE Extended Client Demo:
+ *
+ *  Demonstrates the Bluetooth 5.x client capabilities.
+ *
+ *  Created: on April 2 2022
+ *      Author: H2zero
+ *
+*/
+
+/****************************************************
+ * For use with ESP32C3, ESP32S3, ESP32H2 ONLY!     *
+ /**************************************************/
+
+#include <NimBLEDevice.h>
+#if !CONFIG_BT_NIMBLE_EXT_ADV
+#  error Must enable extended advertising, see nimconfig.h file.
+#endif
+
+void scanEndedCB(NimBLEScanResults results);
+
+#define SERVICE_UUID        "ABCD"
+#define CHARACTERISTIC_UUID "1234"
+
+static NimBLEAdvertisedDevice* advDevice;
+static bool doConnect = false;
+static uint32_t scanTime = 10; /* 0 = scan forever */
+
+/* Define the PHY's to use when connecting to peer devices, can be 1, 2, or all 3 (default).*/
+static uint8_t connectPhys = BLE_GAP_LE_PHY_CODED_MASK | BLE_GAP_LE_PHY_1M_MASK /*| BLE_GAP_LE_PHY_2M_MASK */ ;
+
+/* Define a class to handle the callbacks for client connection events */
+class ClientCallbacks : public NimBLEClientCallbacks {
+    void onConnect(NimBLEClient* pClient) {
+        Serial.printf("Connected\n");
+    };
+
+    void onDisconnect(NimBLEClient* pClient) {
+        Serial.printf("%s Disconnected - Starting scan\n", pClient->getPeerAddress().toString().c_str());
+        NimBLEDevice::getScan()->start(scanTime, scanEndedCB);
+    };
+};
+
+
+/* Define a class to handle the callbacks when advertisements are received */
+class AdvertisedDeviceCallbacks: public NimBLEAdvertisedDeviceCallbacks {
+
+    void onResult(NimBLEAdvertisedDevice* advertisedDevice) {
+        Serial.printf("Advertised Device found: %s\n", advertisedDevice->toString().c_str());
+        if(advertisedDevice->isAdvertisingService(NimBLEUUID("ABCD")))
+        {
+            Serial.printf("Found Our Service\n");
+            /* Ready to connect now */
+            doConnect = true;
+            /* Save the device reference in a global for the client to use*/
+            advDevice = advertisedDevice;
+            /* stop scan before connecting */
+            NimBLEDevice::getScan()->stop();
+        }
+    };
+};
+
+
+/* Callback to process the results of the last scan or restart it */
+void scanEndedCB(NimBLEScanResults results){
+    Serial.printf("Scan Ended\n");
+    if (!doConnect) { /* Don't start the scan while connecting */
+        NimBLEDevice::getScan()->start(scanTime, scanEndedCB);
+    }
+}
+
+
+/* Handles the provisioning of clients and connects / interfaces with the server */
+bool connectToServer() {
+    NimBLEClient* pClient = nullptr;
+
+    pClient = NimBLEDevice::createClient();
+    pClient->setClientCallbacks(new ClientCallbacks, false);
+
+    /* Set the PHY's to use for this connection. This is a bitmask that represents the PHY's:
+     * * 0x01 BLE_GAP_LE_PHY_1M_MASK
+     * * 0x02 BLE_GAP_LE_PHY_2M_MASK
+     * * 0x04 BLE_GAP_LE_PHY_CODED_MASK
+     * Combine these with OR ("|"), eg BLE_GAP_LE_PHY_1M_MASK | BLE_GAP_LE_PHY_2M_MASK | BLE_GAP_LE_PHY_CODED_MASK;
+     */
+    pClient->setConnectPhy(connectPhys);
+
+    /** Set how long we are willing to wait for the connection to complete (seconds), default is 30. */
+    pClient->setConnectTimeout(10);
+
+    if (!pClient->connect(advDevice)) {
+        /* Created a client but failed to connect, don't need to keep it as it has no data */
+        NimBLEDevice::deleteClient(pClient);
+        Serial.printf("Failed to connect, deleted client\n");
+        return false;
+    }
+
+    Serial.printf("Connected to: %s RSSI: %d\n",
+           pClient->getPeerAddress().toString().c_str(),
+           pClient->getRssi());
+
+    /* Now we can read/write/subscribe the charateristics of the services we are interested in */
+    NimBLERemoteService* pSvc = nullptr;
+    NimBLERemoteCharacteristic* pChr = nullptr;
+
+    pSvc = pClient->getService(SERVICE_UUID);
+
+    if (pSvc) {
+        pChr = pSvc->getCharacteristic(CHARACTERISTIC_UUID);
+
+        if (pChr) {
+            // Read the value of the characteristic.
+            if (pChr->canRead()) {
+                std::string value = pChr->readValue();
+                Serial.printf("Characteristic value: %s\n", value.c_str());
+            }
+        }
+
+    } else {
+        Serial.printf("ABCD service not found.\n");
+    }
+
+    NimBLEDevice::deleteClient(pClient);
+    Serial.printf("Done with this device!\n");
+    return true;
+}
+
+void setup () {
+    Serial.begin(115200);
+    Serial.printf("Starting NimBLE Client\n");
+
+    /* Initialize NimBLE, no device name specified as we are not advertising */
+    NimBLEDevice::init("");
+    NimBLEScan* pScan = NimBLEDevice::getScan();
+
+    /* create a callback that gets called when advertisers are found */
+    pScan->setAdvertisedDeviceCallbacks(new AdvertisedDeviceCallbacks());
+
+    /* Set scan interval (how often) and window (how long) in milliseconds */
+    pScan->setInterval(97);
+    pScan->setWindow(67);
+
+    /*  Active scan will gather scan response data from advertisers
+     *  but will use more energy from both devices
+     */
+    pScan->setActiveScan(true);
+
+    /*  Start scanning for advertisers for the scan time specified (in seconds) 0 = forever
+     *  Optional callback for when scanning stops.
+     */
+    pScan->start(scanTime, scanEndedCB);
+
+    Serial.printf("Scanning for peripherals\n");
+}
+
+void loop () {
+    /* Loop here until we find a device we want to connect to */
+    if (doConnect) {
+        /* Found a device we want to connect to, do it now */
+        if (connectToServer()) {
+            Serial.printf("Success!, scanning for more!\n");
+        } else {
+            Serial.printf("Failed to connect, starting scan\n");
+        }
+
+        doConnect = false;
+        NimBLEDevice::getScan()->start(scanTime, scanEndedCB);
+    }
+
+    delay(10);
+}