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Refactor NimBLERemoteCharacteristic::subscribe

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* Rearrange subscribe parameters to remove requirement of specifying write response to register a callback.
This commit is contained in:
h2zero 2020-07-08 21:10:11 -06:00
parent 2af26fad1f
commit 6df7b1331a
2 changed files with 12 additions and 12 deletions
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16
src/NimBLERemoteCharacteristic.cpp
View file

@ -503,12 +503,12 @@ int NimBLERemoteCharacteristic::onReadCB(uint16_t conn_handle,
/**
* @brief Subscribe or unsubscribe for notifications or indications.
* @param [in] val 0x00 to unsubscribe, 0x01 for notifications, 0x02 for indications.
* @param [in] response If write response required set this to true.
* @param [in] notifyCallback A callback to be invoked for a notification.
* @param [in] response If write response required set this to true.
* If NULL is provided then no callback is performed.
* @return true if successful.
*/
bool NimBLERemoteCharacteristic::setNotify(uint16_t val, bool response, 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);
NimBLERemoteDescriptor* desc = getDescriptor(NimBLEUUID((uint16_t)0x2902));
@ -528,16 +528,16 @@ bool NimBLERemoteCharacteristic::setNotify(uint16_t val, bool response, notify_c
/**
* @brief Subscribe for notifications or indications.
* @param [in] notifications If true, subscribe for notifications, false subscribe for indications.
* @param [in] response If true, require a write response from the descriptor write operation.
* @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 true if successful.
*/
bool NimBLERemoteCharacteristic::subscribe(bool notifications, bool response, notify_callback notifyCallback) {
bool NimBLERemoteCharacteristic::subscribe(bool notifications, notify_callback notifyCallback, bool response) {
if(notifications) {
return setNotify(0x01, response, notifyCallback);
return setNotify(0x01, notifyCallback, response);
} else {
return setNotify(0x02, response, notifyCallback);
return setNotify(0x02, notifyCallback, response);
}
} // subscribe
@ -548,7 +548,7 @@ bool NimBLERemoteCharacteristic::subscribe(bool notifications, bool response, no
* @return true if successful.
*/
bool NimBLERemoteCharacteristic::unsubscribe(bool response) {
return setNotify(0x00, response);
return setNotify(0x00, nullptr, response);
} // unsubscribe
@ -564,7 +564,7 @@ bool NimBLERemoteCharacteristic::unsubscribe(bool response) {
bool NimBLERemoteCharacteristic::registerForNotify(notify_callback notifyCallback, bool notifications, bool response) {
bool success;
if(notifyCallback != nullptr) {
success = subscribe(notifications, response, notifyCallback);
success = subscribe(notifications, notifyCallback, response);
} else {
success = unsubscribe(response);
}

8
src/NimBLERemoteCharacteristic.h
View file

@ -104,9 +104,9 @@ public:
}
bool subscribe(bool notifications = true,
bool response = true,
notify_callback notifyCallback = nullptr);
bool unsubscribe(bool response = true);
notify_callback notifyCallback = nullptr,
bool response = false);
bool unsubscribe(bool response = false);
bool registerForNotify(notify_callback notifyCallback,
bool notifications = true,
bool response = true)
@ -138,7 +138,7 @@ private:
friend class NimBLERemoteDescriptor;
// Private member functions
bool setNotify(uint16_t val, bool response = true, 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);