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Permit notify event subscription when BLE servers don't require registration#4659

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Merged
me-no-dev merged 1 commit into from
Jan 11, 2021
Merged

Permit notify event subscription when BLE servers don't require registration #4659

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6 changes: 3 additions & 3 deletions libraries/BLE/src/BLERemoteCharacteristic.cpp
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Original file line numberDiff line numberDiff line change
Expand Up@@ -453,7 +453,7 @@ std::string BLERemoteCharacteristic::readValue(){
* unregistering a notification.
* @return N/A.
*/
void BLERemoteCharacteristic::registerForNotify(notify_callback notifyCallback, bool notifications){
void BLERemoteCharacteristic::registerForNotify(notify_callback notifyCallback, bool notifications, bool descriptorRequiresRegistration){
log_v(">> registerForNotify(): %s", toString().c_str());

m_notifyCallback = notifyCallback; // Save the notification callback.
Expand All@@ -474,7 +474,7 @@ void BLERemoteCharacteristic::registerForNotify(notify_callback notifyCallback,
uint8_t val[] ={0x01, 0x00};
if(!notifications) val[0] = 0x02;
BLERemoteDescriptor* desc = getDescriptor(BLEUUID((uint16_t)0x2902));
if (desc != nullptr)
if (desc != nullptr && descriptorRequiresRegistration)
desc->writeValue(val, 2, true);
} // End Register
else{// If we weren't passed a callback function, then this is an unregistration.
Expand All@@ -490,7 +490,7 @@ void BLERemoteCharacteristic::registerForNotify(notify_callback notifyCallback,

uint8_t val[] ={0x00, 0x00};
BLERemoteDescriptor* desc = getDescriptor((uint16_t)0x2902);
if (desc != nullptr)
if (desc != nullptr && descriptorRequiresRegistration)
desc->writeValue(val, 2, true);
} // End Unregister

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2 changes: 1 addition & 1 deletion libraries/BLE/src/BLERemoteCharacteristic.h
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Original file line numberDiff line numberDiff line change
Expand Up@@ -46,7 +46,7 @@ class BLERemoteCharacteristic{
uint16_treadUInt16();
uint32_treadUInt32();
floatreadFloat();
voidregisterForNotify(notify_callback _callback, bool notifications = true);
voidregisterForNotify(notify_callback _callback, bool notifications = true, bool descriptorRequiresRegistration = true);
voidwriteValue(uint8_t* data, size_t length, bool response = false);
voidwriteValue(std::string newValue, bool response = false);
voidwriteValue(uint8_t newValue, bool response = false);
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