mirror of
https://github.com/h2zero/esp-nimble-cpp.git
synced 2024-12-22 11:00:47 +01:00
Revert 03b22e5 sub/unsub changes, app should specify response.
This commit is contained in:
h2zero
h2zero
parent
7d2d73d8fc
commit
d83cd94d5b
4 changed files with 96 additions and 92 deletions
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@ -1,11 +1,11 @@
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/** NimBLE_Server Demo:
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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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*
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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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*/
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#include <NimBLEDevice.h>
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@ -18,15 +18,15 @@ 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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** 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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* 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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* 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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@ -36,7 +36,7 @@ class ClientCallbacks : public NimBLEClientCallbacks {
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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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uint32_t onPassKeyRequest(){
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@ -72,9 +72,9 @@ class scanCallbacks: public NimBLEScanCallbacks {
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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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/** 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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/** Ready to connect now */
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doConnect = true;
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}
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}
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@ -88,7 +88,7 @@ class scanCallbacks: public NimBLEScanCallbacks {
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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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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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@ -105,10 +105,10 @@ 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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/** 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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@ -119,7 +119,7 @@ bool connectToServer() {
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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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}
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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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@ -127,28 +127,28 @@ bool connectToServer() {
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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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/** 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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* 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 (seconds), default is 30. */
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pClient->setConnectTimeout(5);
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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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@ -156,24 +156,24 @@ bool connectToServer() {
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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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}
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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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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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@ -185,32 +185,32 @@ bool connectToServer() {
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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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/** 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=false.
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* Unsubscribe parameter defaults are: response=false.
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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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/** Disconnect if subscribe failed */
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pClient->disconnect();
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return false;
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}
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@ -219,17 +219,17 @@ bool connectToServer() {
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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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/** 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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@ -241,39 +241,39 @@ bool connectToServer() {
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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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/** 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=false.
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* Unsubscribe parameter defaults are: response=false.
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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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/** Disconnect if subscribe failed */
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pClient->disconnect();
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return false;
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}
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@ -282,17 +282,17 @@ bool connectToServer() {
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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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/** 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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}
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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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@ -308,12 +308,12 @@ void connectTask (void * parameter){
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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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@ -321,7 +321,7 @@ 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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@ -329,42 +329,42 @@ void app_main (void){
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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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*
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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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// 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 seconds) 0 = forever
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* Optional callback for when scanning stops.
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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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@ -14,7 +14,7 @@
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#include "NimBLEDevice.h"
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extern "C"{void app_main(void);}
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// The remote service we wish to connect to.
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static BLEUUID serviceUUID("4fafc201-1fb5-459e-8fcc-c5c9c331914b");
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// The characteristic of the remote service we are interested in.
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@ -53,11 +53,11 @@ class MyClientCallback : public BLEClientCallbacks {
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****** Note: these are the same return values as defaults ********/
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uint32_t onPassKeyRequest(){
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printf("Client PassKeyRequest\n");
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return 123456;
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return 123456;
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}
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bool onConfirmPIN(uint32_t pass_key){
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printf("The passkey YES/NO number: %d\n", pass_key);
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return true;
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return true;
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}
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void onAuthenticationComplete(BLEConnInfo& connInfo){
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@ -101,10 +101,11 @@ bool connectToServer() {
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if(pRemoteCharacteristic->canRead()) {
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std::string value = pRemoteCharacteristic->readValue();
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printf("The characteristic value was: %s\n", value.c_str());
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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=false.
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* Unsubscribe parameter defaults are: response=false.
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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(pRemoteCharacteristic->canNotify()) {
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//pRemoteCharacteristic->registerForNotify(notifyCallback);
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@ -151,7 +152,7 @@ class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {
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void connectTask (void * parameter){
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for(;;) {
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// If the flag "doConnect" is true then we have scanned for and found the desired
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// BLE Server with which we wish to connect. Now we connect to it. Once we are
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// BLE Server with which we wish to connect. Now we connect to it. Once we are
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// connected we set the connected flag to be true.
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if (doConnect == true) {
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if (connectToServer()) {
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@ -168,17 +169,17 @@ void connectTask (void * parameter){
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char buf[256];
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snprintf(buf, 256, "Time since boot: %lu", (unsigned long)(esp_timer_get_time() / 1000000ULL));
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printf("Setting new characteristic value to %s\n", buf);
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// Set the characteristic's value to be the array of bytes that is actually a string.
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/*** Note: write value now returns true if successful, false otherwise - try again or disconnect ***/
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pRemoteCharacteristic->writeValue((uint8_t*)buf, strlen(buf), false);
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}else if(doScan){
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BLEDevice::getScan()->start(0); // this is just eample to start scan after disconnect, most likely there is better way to do it
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}
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vTaskDelay(1000/portTICK_PERIOD_MS); // Delay a second between loops.
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}
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vTaskDelete(NULL);
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} // End of loop
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@ -195,7 +196,7 @@ void app_main(void) {
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pBLEScan->setInterval(1349);
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pBLEScan->setWindow(449);
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pBLEScan->setActiveScan(true);
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xTaskCreate(connectTask, "connectTask", 5000, NULL, 1, NULL);
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pBLEScan->start(5 * 1000, false);
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} // End of setup.
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@ -564,7 +564,7 @@ int NimBLERemoteCharacteristic::onReadCB(uint16_t conn_handle,
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|||
* If NULL is provided then no callback is performed.
|
||||
* @return false if writing to the descriptor failed.
|
||||
*/
|
||||
bool NimBLERemoteCharacteristic::setNotify(uint16_t val, notify_callback notifyCallback) {
|
||||
bool NimBLERemoteCharacteristic::setNotify(uint16_t val, notify_callback notifyCallback, bool response) {
|
||||
NIMBLE_LOGD(LOG_TAG, ">> setNotify(): %s, %02x", toString().c_str(), val);
|
||||
|
||||
m_notifyCallback = notifyCallback;
|
||||
|
|
@ -576,7 +576,8 @@ bool NimBLERemoteCharacteristic::setNotify(uint16_t val, notify_callback notifyC
|
|||
}
|
||||
|
||||
NIMBLE_LOGD(LOG_TAG, "<< setNotify()");
|
||||
return desc->writeValue((uint8_t *)&val, 2, true);
|
||||
|
||||
return desc->writeValue((uint8_t *)&val, 2, response);
|
||||
} // setNotify
|
||||
|
||||
|
||||
|
|
@ -584,14 +585,15 @@ bool NimBLERemoteCharacteristic::setNotify(uint16_t val, notify_callback notifyC
|
|||
* @brief Subscribe for notifications or indications.
|
||||
* @param [in] notifications If true, subscribe for notifications, false subscribe for indications.
|
||||
* @param [in] notifyCallback A callback to be invoked for a notification.
|
||||
* @param [in] response If true, require a write response from the descriptor write operation.
|
||||
* If NULL is provided then no callback is performed.
|
||||
* @return false if writing to the descriptor failed.
|
||||
*/
|
||||
bool NimBLERemoteCharacteristic::subscribe(bool notifications, notify_callback notifyCallback) {
|
||||
bool NimBLERemoteCharacteristic::subscribe(bool notifications, notify_callback notifyCallback, bool response) {
|
||||
if(notifications) {
|
||||
return setNotify(0x01, notifyCallback);
|
||||
return setNotify(0x01, notifyCallback, response);
|
||||
} else {
|
||||
return setNotify(0x02, notifyCallback);
|
||||
return setNotify(0x02, notifyCallback, response);
|
||||
}
|
||||
} // subscribe
|
||||
|
||||
|
|
@ -601,8 +603,8 @@ bool NimBLERemoteCharacteristic::subscribe(bool notifications, notify_callback n
|
|||
* @param [in] response bool if true, require a write response from the descriptor write operation.
|
||||
* @return false if writing to the descriptor failed.
|
||||
*/
|
||||
bool NimBLERemoteCharacteristic::unsubscribe() {
|
||||
return setNotify(0x00, nullptr);
|
||||
bool NimBLERemoteCharacteristic::unsubscribe(bool response) {
|
||||
return setNotify(0x00, nullptr, response);
|
||||
} // unsubscribe
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -66,8 +66,9 @@ public:
|
|||
NimBLERemoteService* getRemoteService();
|
||||
NimBLEAttValue getValue(time_t *timestamp = nullptr);
|
||||
bool subscribe(bool notifications = true,
|
||||
notify_callback notifyCallback = nullptr);
|
||||
bool unsubscribe();
|
||||
notify_callback notifyCallback = nullptr,
|
||||
bool response = true);
|
||||
bool unsubscribe(bool response = true);
|
||||
bool writeValue(const uint8_t* data,
|
||||
size_t length,
|
||||
bool response = false);
|
||||
|
|
@ -149,7 +150,7 @@ private:
|
|||
friend class NimBLERemoteDescriptor;
|
||||
|
||||
// Private member functions
|
||||
bool setNotify(uint16_t val, notify_callback notifyCallback = nullptr);
|
||||
bool setNotify(uint16_t val, notify_callback notifyCallback = nullptr, bool response = true);
|
||||
bool retrieveDescriptors(const NimBLEUUID *uuid_filter = nullptr);
|
||||
static int onReadCB(uint16_t conn_handle, const struct ble_gatt_error *error,
|
||||
struct ble_gatt_attr *attr, void *arg);
|
||||
|
|
|
|||
Loading…
Reference in a new issue