DigitalInfinity/ESP32-PaxCounter
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changed BLE scan mode to passive (is faster)

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This commit is contained in:
Klaus K Wilting 2018-04-06 17:52:24 +02:00
parent 0041970142
commit 308a8d38a2
1 changed files with 5 additions and 5 deletions
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10
src/macsniff.cpp
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@ -94,14 +94,14 @@ class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {
uint8_t *p = (uint8_t *) advertisedDevice.getAddress().getNative();
// Current devices seen on this scan session
currentScanDevice++;
// add this device and refresh display if it was not previously added
u8x8.setCursor(11,3);
u8x8.printf("%-4d", currentScanDevice);
// add this device and show new count total if it was not previously added
if ( mac_add(p, advertisedDevice.getRSSI(), MAC_SNIFF_BLE) ) {
char buff[16];
snprintf(buff, sizeof(buff), "PAX:%-4d", (int) macs.size()); // convert 16-bit MAC counter to decimal counter value
u8x8.draw2x2String(0, 0, buff); // display number on unique macs total Wifi + BLE
}
u8x8.setCursor(11,3);
u8x8.printf("%-4d", currentScanDevice);
}
};
@ -112,8 +112,8 @@ void BLECount() {
BLEDevice::init(""); // we don't want to be seen by a name
BLEScan* pBLEScan = BLEDevice::getScan(); //create new scan
pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
pBLEScan->setActiveScan(true); //active scan uses more power, but get results faster
BLEScanResults foundDevices = pBLEScan->start(cfg.blescantime);
pBLEScan->setActiveScan(false); // An active scan would mean that we will wish a scan response.
BLEScanResults foundDevices = pBLEScan->start(cfg.blescantime); // note: this is a blocking call
int blenum=foundDevices.getCount();
ESP_LOGI(TAG, "BLE scan done, seen %d device(s)", blenum);
}