Add and remove libs and components for Arduino Core 3 (#400)
* Add and remove libs and components for Arduino Core 3 * Add back NimBLE-Arduino in resources
This commit is contained in:
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set(COMPONENT_SRCS "main.cpp")
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set(COMPONENT_ADD_INCLUDEDIRS ".")
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register_component()
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#
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# "main" pseudo-component makefile.
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#
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# (Uses default behaviour of compiling all source files in directory, adding 'include' to include path.)
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372
lib/esp-nimble-cpp/examples/Advanced/NimBLE_Client/main/main.cpp
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372
lib/esp-nimble-cpp/examples/Advanced/NimBLE_Client/main/main.cpp
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/** NimBLE_Client Demo:
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*
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* Demonstrates many of the available features of the NimBLE client library.
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*
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* Created: on March 24 2020
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* Author: H2zero
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*
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*/
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#include <NimBLEDevice.h>
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extern "C" {void app_main(void);}
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static NimBLEAdvertisedDevice* advDevice;
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static bool doConnect = false;
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static uint32_t scanTime = 0; /** scan time in milliseconds, 0 = scan forever */
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/** None of these are required as they will be handled by the library with defaults. **
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** Remove as you see fit for your needs */
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class ClientCallbacks : public NimBLEClientCallbacks {
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void onConnect(NimBLEClient* pClient) {
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printf("Connected\n");
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/** After connection we should change the parameters if we don't need fast response times.
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* These settings are 150ms interval, 0 latency, 450ms timout.
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* Timeout should be a multiple of the interval, minimum is 100ms.
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* I find a multiple of 3-5 * the interval works best for quick response/reconnect.
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* Min interval: 120 * 1.25ms = 150, Max interval: 120 * 1.25ms = 150, 0 latency, 45 * 10ms = 450ms timeout
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*/
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pClient->updateConnParams(120,120,0,45);
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}
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void onDisconnect(NimBLEClient* pClient, int reason) {
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printf("%s Disconnected, reason = %d - Starting scan\n",
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pClient->getPeerAddress().toString().c_str(), reason);
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NimBLEDevice::getScan()->start(scanTime);
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}
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/********************* Security handled here **********************
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****** Note: these are the same return values as defaults ********/
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void onPassKeyEntry(const NimBLEConnInfo& connInfo){
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printf("Server Passkey Entry\n");
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/** This should prompt the user to enter the passkey displayed
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* on the peer device.
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*/
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NimBLEDevice::injectPassKey(connInfo, 123456);
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};
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void onConfirmPIN(const NimBLEConnInfo& connInfo, uint32_t pass_key){
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printf("The passkey YES/NO number: %" PRIu32 "\n", pass_key);
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/** Inject false if passkeys don't match. */
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NimBLEDevice::injectConfirmPIN(connInfo, true);
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};
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/** Pairing process complete, we can check the results in connInfo */
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void onAuthenticationComplete(const NimBLEConnInfo& connInfo){
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if(!connInfo.isEncrypted()) {
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printf("Encrypt connection failed - disconnecting\n");
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/** Find the client with the connection handle provided in desc */
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NimBLEDevice::getClientByID(connInfo.getConnHandle())->disconnect();
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return;
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}
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}
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};
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/** Define a class to handle the callbacks when advertisments are received */
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class scanCallbacks: public NimBLEScanCallbacks {
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void onResult(NimBLEAdvertisedDevice* advertisedDevice) {
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printf("Advertised Device found: %s\n", advertisedDevice->toString().c_str());
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if(advertisedDevice->isAdvertisingService(NimBLEUUID("DEAD")))
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{
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printf("Found Our Service\n");
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/** stop scan before connecting */
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NimBLEDevice::getScan()->stop();
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/** Save the device reference in a global for the client to use*/
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advDevice = advertisedDevice;
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/** Ready to connect now */
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doConnect = true;
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}
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}
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/** Callback to process the results of the completed scan or restart it */
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void onScanEnd(NimBLEScanResults results) {
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printf("Scan Ended\n");
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}
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};
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/** Notification / Indication receiving handler callback */
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void notifyCB(NimBLERemoteCharacteristic* pRemoteCharacteristic, uint8_t* pData, size_t length, bool isNotify){
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std::string str = (isNotify == true) ? "Notification" : "Indication";
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str += " from ";
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str += pRemoteCharacteristic->getRemoteService()->getClient()->getPeerAddress().toString();
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str += ": Service = " + pRemoteCharacteristic->getRemoteService()->getUUID().toString();
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str += ", Characteristic = " + pRemoteCharacteristic->getUUID().toString();
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str += ", Value = " + std::string((char*)pData, length);
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printf("%s\n", str.c_str());
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}
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/** Create a single global instance of the callback class to be used by all clients */
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static ClientCallbacks clientCB;
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/** Handles the provisioning of clients and connects / interfaces with the server */
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bool connectToServer() {
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NimBLEClient* pClient = nullptr;
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/** Check if we have a client we should reuse first **/
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if(NimBLEDevice::getClientListSize()) {
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/** Special case when we already know this device, we send false as the
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* second argument in connect() to prevent refreshing the service database.
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* This saves considerable time and power.
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*/
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pClient = NimBLEDevice::getClientByPeerAddress(advDevice->getAddress());
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if(pClient){
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if(!pClient->connect(advDevice, false)) {
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printf("Reconnect failed\n");
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return false;
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}
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printf("Reconnected client\n");
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}
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/** We don't already have a client that knows this device,
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* we will check for a client that is disconnected that we can use.
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*/
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else {
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pClient = NimBLEDevice::getDisconnectedClient();
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}
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}
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/** No client to reuse? Create a new one. */
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if(!pClient) {
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if(NimBLEDevice::getClientListSize() >= NIMBLE_MAX_CONNECTIONS) {
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printf("Max clients reached - no more connections available\n");
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return false;
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}
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pClient = NimBLEDevice::createClient();
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printf("New client created\n");
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pClient->setClientCallbacks(&clientCB, false);
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/** Set initial connection parameters: These settings are 15ms interval, 0 latency, 120ms timout.
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* These settings are safe for 3 clients to connect reliably, can go faster if you have less
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* connections. Timeout should be a multiple of the interval, minimum is 100ms.
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* Min interval: 12 * 1.25ms = 15, Max interval: 12 * 1.25ms = 15, 0 latency, 12 * 10ms = 120ms timeout
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*/
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pClient->setConnectionParams(6,6,0,15);
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/** Set how long we are willing to wait for the connection to complete (milliseconds), default is 30000. */
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pClient->setConnectTimeout(5 * 1000);
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if (!pClient->connect(advDevice)) {
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/** Created a client but failed to connect, don't need to keep it as it has no data */
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NimBLEDevice::deleteClient(pClient);
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printf("Failed to connect, deleted client\n");
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return false;
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}
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}
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if(!pClient->isConnected()) {
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if (!pClient->connect(advDevice)) {
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printf("Failed to connect\n");
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return false;
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}
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}
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printf("Connected to: %s RSSI: %d\n",
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pClient->getPeerAddress().toString().c_str(),
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pClient->getRssi());
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/** Now we can read/write/subscribe the charateristics of the services we are interested in */
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NimBLERemoteService* pSvc = nullptr;
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NimBLERemoteCharacteristic* pChr = nullptr;
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NimBLERemoteDescriptor* pDsc = nullptr;
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pSvc = pClient->getService("DEAD");
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if(pSvc) { /** make sure it's not null */
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pChr = pSvc->getCharacteristic("BEEF");
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}
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if(pChr) { /** make sure it's not null */
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if(pChr->canRead()) {
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printf("%s Value: %s\n",
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pChr->getUUID().toString().c_str(),
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pChr->readValue().c_str());
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}
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if(pChr->canWrite()) {
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if(pChr->writeValue("Tasty")) {
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printf("Wrote new value to: %s\n", pChr->getUUID().toString().c_str());
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}
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else {
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/** Disconnect if write failed */
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pClient->disconnect();
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return false;
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}
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if(pChr->canRead()) {
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printf("The value of: %s is now: %s\n",
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pChr->getUUID().toString().c_str(),
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pChr->readValue().c_str());
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}
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}
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/** registerForNotify() has been removed and replaced with subscribe() / unsubscribe().
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* Subscribe parameter defaults are: notifications=true, notifyCallback=nullptr, response=true.
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* Unsubscribe parameter defaults are: response=true.
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*/
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if(pChr->canNotify()) {
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//if(!pChr->registerForNotify(notifyCB)) {
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if(!pChr->subscribe(true, notifyCB)) {
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/** Disconnect if subscribe failed */
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pClient->disconnect();
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return false;
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}
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}
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else if(pChr->canIndicate()) {
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/** Send false as first argument to subscribe to indications instead of notifications */
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//if(!pChr->registerForNotify(notifyCB, false)) {
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if(!pChr->subscribe(false, notifyCB)) {
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/** Disconnect if subscribe failed */
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pClient->disconnect();
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return false;
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}
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}
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}
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else{
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printf("DEAD service not found.\n");
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}
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pSvc = pClient->getService("BAAD");
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if(pSvc) { /** make sure it's not null */
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pChr = pSvc->getCharacteristic("F00D");
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}
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if(pChr) { /** make sure it's not null */
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if(pChr->canRead()) {
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printf("%s Value: %s\n",
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pChr->getUUID().toString().c_str(),
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pChr->readValue().c_str());
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}
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pDsc = pChr->getDescriptor(NimBLEUUID("C01D"));
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if(pDsc) { /** make sure it's not null */
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printf("Descriptor: %s Value: %s\n",
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pDsc->getUUID().toString().c_str(),
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pDsc->readValue().c_str());
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}
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if(pChr->canWrite()) {
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if(pChr->writeValue("No tip!")) {
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printf("Wrote new value to: %s\n", pChr->getUUID().toString().c_str());
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}
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else {
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/** Disconnect if write failed */
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pClient->disconnect();
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return false;
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}
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if(pChr->canRead()) {
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printf("The value of: %s is now: %s\n",
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pChr->getUUID().toString().c_str(),
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pChr->readValue().c_str());
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}
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}
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/** registerForNotify() has been deprecated and replaced with subscribe() / unsubscribe().
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* Subscribe parameter defaults are: notifications=true, notifyCallback=nullptr, response=true.
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* Unsubscribe parameter defaults are: response=true.
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*/
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if(pChr->canNotify()) {
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//if(!pChr->registerForNotify(notifyCB)) {
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if(!pChr->subscribe(true, notifyCB)) {
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/** Disconnect if subscribe failed */
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pClient->disconnect();
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return false;
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}
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}
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else if(pChr->canIndicate()) {
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/** Send false as first argument to subscribe to indications instead of notifications */
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//if(!pChr->registerForNotify(notifyCB, false)) {
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if(!pChr->subscribe(false, notifyCB)) {
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/** Disconnect if subscribe failed */
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pClient->disconnect();
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return false;
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}
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}
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}
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else{
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printf("BAAD service not found.\n");
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}
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printf("Done with this device!\n");
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return true;
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}
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void connectTask (void * parameter){
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/** Loop here until we find a device we want to connect to */
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for(;;) {
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if(doConnect) {
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doConnect = false;
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/** Found a device we want to connect to, do it now */
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if(connectToServer()) {
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printf("Success! we should now be getting notifications, scanning for more!\n");
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} else {
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printf("Failed to connect, starting scan\n");
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}
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NimBLEDevice::getScan()->start(scanTime);
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}
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vTaskDelay(10/portTICK_PERIOD_MS);
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}
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vTaskDelete(NULL);
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}
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void app_main (void){
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printf("Starting NimBLE Client\n");
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/** Initialize NimBLE, no device name spcified as we are not advertising */
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NimBLEDevice::init("");
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/** Set the IO capabilities of the device, each option will trigger a different pairing method.
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* BLE_HS_IO_KEYBOARD_ONLY - Passkey pairing
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* BLE_HS_IO_DISPLAY_YESNO - Numeric comparison pairing
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* BLE_HS_IO_NO_INPUT_OUTPUT - DEFAULT setting - just works pairing
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*/
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//NimBLEDevice::setSecurityIOCap(BLE_HS_IO_KEYBOARD_ONLY); // use passkey
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//NimBLEDevice::setSecurityIOCap(BLE_HS_IO_DISPLAY_YESNO); //use numeric comparison
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/** 2 different ways to set security - both calls achieve the same result.
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* no bonding, no man in the middle protection, secure connections.
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*
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* These are the default values, only shown here for demonstration.
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*/
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//NimBLEDevice::setSecurityAuth(false, false, true);
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NimBLEDevice::setSecurityAuth(/*BLE_SM_PAIR_AUTHREQ_BOND | BLE_SM_PAIR_AUTHREQ_MITM |*/ BLE_SM_PAIR_AUTHREQ_SC);
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/** Optional: set the transmit power, default is -3db */
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NimBLEDevice::setPower(ESP_PWR_LVL_P9); /** 12db */
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/** Optional: set any devices you don't want to get advertisments from */
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// NimBLEDevice::addIgnored(NimBLEAddress ("aa:bb:cc:dd:ee:ff"));
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/** create new scan */
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NimBLEScan* pScan = NimBLEDevice::getScan();
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/** create a callback that gets called when advertisers are found */
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pScan->setScanCallbacks (new scanCallbacks());
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/** Set scan interval (how often) and window (how long) in milliseconds */
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pScan->setInterval(400);
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pScan->setWindow(100);
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/** Active scan will gather scan response data from advertisers
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* but will use more energy from both devices
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*/
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pScan->setActiveScan(true);
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/** Start scanning for advertisers for the scan time specified (in milliseconds) 0 = forever
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* Optional callback for when scanning stops.
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*/
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pScan->start(scanTime);
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printf("Scanning for peripherals\n");
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xTaskCreate(connectTask, "connectTask", 5000, NULL, 1, NULL);
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}
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