feedc0de/esp-nimble-cpp
1
0 Fork 0
forked from h2zero/esp-nimble-cpp
Code Pull Requests Activity

Update examples

Browse Source
This commit is contained in:
h2zero authored and h2zero committed 2024-12-10 13:15:43 -07:00
1 parent e4d2e991f1
commit 49769f4aeb
66 files changed
+629 -1705
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

examples/Bluetooth_5/NimBLE_extended_client/main/main.cpp
+59 -78
View File
@@ -1,71 +1,62 @@
/** NimBLE Extended Client Demo:
/**
* NimBLE Extended Client Demo:
*
* Demonstrates the Bluetooth 5.x client capabilities.
*
* Created: on April 2 2022
* Author: H2zero
*
*/
#include <NimBLEDevice.h>
*/
extern "C" void app_main(void);
#include <NimBLEDevice.h>
#define SERVICE_UUID "ABCD"
#define CHARACTERISTIC_UUID "1234"
static const NimBLEAdvertisedDevice* advDevice;
static bool doConnect = false;
static uint32_t scanTime = 10 * 1000; // In milliseconds, 0 = scan forever
static bool doConnect = false;
static uint32_t scanTime = 10 * 1000; // In milliseconds, 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 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 */
/** Define a class to handle the callbacks for client connection events */
class ClientCallbacks : public NimBLEClientCallbacks {
void onConnect(NimBLEClient* pClient) {
printf("Connected\n");
};
void onConnect(NimBLEClient* pClient) override { printf("Connected\n"); };
void onDisconnect(NimBLEClient* pClient, int reason) {
printf("%s Disconnected, reason = %d - Starting scan\n",
pClient->getPeerAddress().toString().c_str(), reason);
void onDisconnect(NimBLEClient* pClient, int reason) override {
printf("%s Disconnected, reason = %d - Starting scan\n", pClient->getPeerAddress().toString().c_str(), reason);
NimBLEDevice::getScan()->start(scanTime);
};
};
}
} clientCallbacks;
/* Define a class to handle the callbacks when advertisements are received */
class scanCallbacks: public NimBLEScanCallbacks {
void onResult(const NimBLEAdvertisedDevice* advertisedDevice) {
/** Define a class to handle the callbacks when advertisements are received */
class scanCallbacks : public NimBLEScanCallbacks {
void onResult(const NimBLEAdvertisedDevice* advertisedDevice) override {
printf("Advertised Device found: %s\n", advertisedDevice->toString().c_str());
if(advertisedDevice->isAdvertisingService(NimBLEUUID("ABCD")))
{
if (advertisedDevice->isAdvertisingService(NimBLEUUID("ABCD"))) {
printf("Found Our Service\n");
/* Ready to connect now */
doConnect = true;
/* Save the device reference in a global for the client to use*/
/** Save the device reference in a global for the client to use*/
advDevice = advertisedDevice;
/* stop scan before connecting */
/** stop scan before connecting */
NimBLEDevice::getScan()->stop();
}
}
/** Callback to process the results of the completed scan or restart it */
void onScanEnd(const NimBLEScanResults& results, int rc) {
printf("Scan Ended\n");
}
};
void onScanEnd(const NimBLEScanResults& results, int rc) override { printf("Scan Ended\n"); }
} scanCallbacks;
/* Handles the provisioning of clients and connects / interfaces with the server */
/** Handles the provisioning of clients and connects / interfaces with the server */
bool connectToServer() {
NimBLEClient* pClient = nullptr;
pClient = NimBLEDevice::createClient();
pClient->setClientCallbacks(new ClientCallbacks, false);
pClient->setClientCallbacks(&clientCallbacks, false);
/* Set the PHY's to use for this connection. This is a bitmask that represents the PHY's:
/**
* 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
@@ -77,27 +68,22 @@ bool connectToServer() {
pClient->setConnectTimeout(10 * 1000);
if (!pClient->connect(advDevice)) {
/* Created a client but failed to connect, don't need to keep it as it has no data */
/** Created a client but failed to connect, don't need to keep it as it has no data */
NimBLEDevice::deleteClient(pClient);
printf("Failed to connect, deleted client\n");
return false;
}
printf("Connected to: %s RSSI: %d\n",
pClient->getPeerAddress().toString().c_str(),
pClient->getRssi());
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;
/** Now we can read/write/subscribe the characteristics 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();
printf("Characteristic value: %s\n", value.c_str());
@@ -113,11 +99,37 @@ bool connectToServer() {
return true;
}
void connectTask (void * parameter){
/* Loop here until we find a device we want to connect to */
extern "C" void app_main(void) {
printf("Starting NimBLE Client\n");
/** Initialize NimBLE and set the device name */
NimBLEDevice::init("NimBLE Extended Client");
/** Create aNimBLE Scan instance and set the callbacks for scan events */
NimBLEScan* pScan = NimBLEDevice::getScan();
pScan->setScanCallbacks(&scanCallbacks);
/** 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 milliseconds) 0 = forever
* Optional callback for when scanning stops.
*/
pScan->start(scanTime);
printf("Scanning for peripherals\n");
/** Loop here until we find a device we want to connect to */
for (;;) {
if (doConnect) {
/* Found a device we want to connect to, do it now */
if (connectToServer()) {
printf("Success!, scanning for more!\n");
} else {
@@ -129,35 +141,4 @@ void connectTask (void * parameter){
}
vTaskDelay(pdMS_TO_TICKS(10));
}
vTaskDelete(NULL);
}
void app_main (void) {
printf("Starting NimBLE Client\n");
/* Create a task to handle connecting to peers */
xTaskCreate(connectTask, "connectTask", 5000, NULL, 1, NULL);
/* 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->setScanCallbacks(new scanCallbacks());
/* 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 milliseconds) 0 = forever
* Optional callback for when scanning stops.
*/
pScan->start(scanTime);
printf("Scanning for peripherals\n");
}