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Clear characteristic cccd value when disconnect #376

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Merged
merged 1 commit into from
Apr 10, 2025
Merged

Clear characteristic cccd value when disconnect #376

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16 changes: 16 additions & 0 deletions src/utility/ATT.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -553,6 +553,22 @@

numDisconnects++;

BLEDevice bleDevice(_peers[i].addressType, _peers[i].address);

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// clear CCCD values on disconnect
for (uint16_t att = 0; att < GATT.attributeCount(); att++) {
BLELocalAttribute* attribute = GATT.attribute(att);

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if (attribute->type() == BLETypeCharacteristic) {
BLELocalCharacteristic* characteristic = (BLELocalCharacteristic*)attribute;

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characteristic->writeCccdValue(bleDevice, 0x0000);

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}
}

_longWriteHandle = 0x0000;
_longWriteValueLength = 0;

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_peers[i].connectionHandle = 0xffff;
_peers[i].role = 0x00;
_peers[i].addressType = 0x00;
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