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add SetAdvertisingPayload() to allow applications to dynamically update the advertising payload

master
Rohit Grover 2014-07-03 09:57:05 +01:00
parent 46ec9f1365
commit e69eff0a2d
1 changed files with 31 additions and 23 deletions
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54
hw/BLEDevice.h
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@ -232,15 +232,8 @@ public:
*/
void waitForEvent(void);
private:
/**
* Internal helper to udpate the transport backend with advertising data
* before starting to advertise.
*/
ble_error_t setAdvertisingDataForTransport(void);
public:
BLEDevice() : transport(createBLEDeviceInstance()), advParams(), advPayload(), scanResponse(), needToUpdateAdvData(true) {
BLEDevice() : transport(createBLEDeviceInstance()), advParams(), advPayload(), scanResponse(), needToSetAdvPayload(true) {
advPayload.clear();
scanResponse.clear();
}
@ -255,7 +248,17 @@ private:
/* Accumulation of AD structures in the advertisement payload should
* eventually result in a call to the target's setAdvertisingData() before
* the server begins advertising. This flag marks the status of the pending update.*/
bool needToUpdateAdvData;
bool needToSetAdvPayload;
public:
/**
* This API is typically used as an internal helper to udpate the transport
* backend with advertising data before starting to advertise. It may also
* be explicity used to dynamically reset the accumulated advertising
* payload; to do this, the application can clear and re-accumulate a new
* advertising payload before using this API.
*/
ble_error_t setAdvertisingPayload(void);
/**
* DEPRECATED
@ -330,44 +333,52 @@ BLEDevice::setAdvertisingParams(const GapAdvertisingParams &newAdvParams)
inline void
BLEDevice::clearAdvertisingPayload(void)
{
needToUpdateAdvData = true;
needToSetAdvPayload = true;
advPayload.clear();
}
inline ble_error_t
BLEDevice::accumulateAdvertisingPayload(GapAdvertisingData::Flags flags)
{
needToUpdateAdvData = true;
needToSetAdvPayload = true;
return advPayload.addFlags(flags);
}
inline ble_error_t
BLEDevice::accumulateAdvertisingPayload(GapAdvertisingData::Appearance app)
{
needToUpdateAdvData = true;
needToSetAdvPayload = true;
return advPayload.addAppearance(app);
}
inline ble_error_t
BLEDevice::accumulateAdvertisingPayloadTxPower(int8_t txPower)
{
needToUpdateAdvData = true;
needToSetAdvPayload = true;
return advPayload.addTxPower(txPower);
}
inline ble_error_t
BLEDevice::accumulateAdvertisingPayload(GapAdvertisingData::DataType type, const uint8_t *data, uint8_t len)
{
needToUpdateAdvData = true;
needToSetAdvPayload = true;
return advPayload.addData(type, data, len);
}
inline ble_error_t
BLEDevice::setAdvertisingPayload(void) {
needToSetAdvPayload = false;
return transport->getGap().setAdvertisingData(advPayload, scanResponse);
}
inline ble_error_t
BLEDevice::startAdvertising(void)
{
if (needToUpdateAdvData) {
setAdvertisingDataForTransport();
needToUpdateAdvData = false;
if (needToSetAdvPayload) {
ble_error_t rc;
if ((rc = setAdvertisingPayload()) != BLE_ERROR_NONE) {
return rc;
}
}
return transport->getGap().startAdvertising(advParams);
@ -385,12 +396,6 @@ BLEDevice::disconnect(void)
return transport->getGap().disconnect();
}
inline ble_error_t
BLEDevice::setAdvertisingDataForTransport(void)
{
return transport->getGap().setAdvertisingData(advPayload, scanResponse);
}
inline void
BLEDevice::onTimeout(Gap::EventCallback_t timeoutCallback)
{
@ -475,6 +480,7 @@ BLEDevice::waitForEvent(void)
inline ble_error_t
BLEDevice::setAdvertisingData(const GapAdvertisingData &ADStructures, const GapAdvertisingData &scanResponse)
{
needToSetAdvPayload = false;
return transport->getGap().setAdvertisingData(ADStructures, scanResponse);
}
@ -482,6 +488,8 @@ inline ble_error_t
BLEDevice::setAdvertisingData(const GapAdvertisingData &ADStructures)
{
GapAdvertisingData scanResponse;
needToSetAdvPayload = false;
return transport->getGap().setAdvertisingData(ADStructures, scanResponse);
}