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Refactor advertisedDevice (#181)

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* Stores complete advertisement payload and only performs parsing on demand. The advertised data is no longer parsed automatically as it is discovered, instead it will be parsed to find only the data requested by the user application when it makes a call to do so. This saves processing time and approximately 2.4k in flash size, with the new methods listed below included.

Add more advertised device field methods:
* Adds haveAdvInterval/getAdvInterval - checks if the interval is advertised / gets the advertisement interval value.

* Adds haveConnParams/getMinInterval/getMaxInterval - checks if the parameters are advertised / get min value / get max value.

* Adds haveURI/getURI - checks if a URI is advertised / gets the URI data.

* Adds haveTargetAddress/getTargetAddressCount/getTargetAddress(index) - checks if a target address is present / gets a count of the addresses targeted / gets the address of the target at index.
This commit is contained in:
h2zero
2021-01-30 18:06:29 -07:00
parent 51c49ba9fc
commit 9527c41486
4 changed files with 507 additions and 313 deletions
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31
src/NimBLEUUID.cpp
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@@ -65,29 +65,42 @@ static const char* LOG_TAG = "NimBLEUUID";
*this = NimBLEUUID(first, second, third, (uint64_t(fourth) << 48) + fifth);
}
else {
NIMBLE_LOGE(LOG_TAG,"ERROR: UUID value not 2, 4, 16 or 36 bytes");
m_valueSet = false;
}
} // NimBLEUUID(std::string)
/**
* @brief Create a UUID from 16 bytes of memory.
* @brief Create a UUID from 2, 4, 16 bytes of memory.
* @param [in] pData The pointer to the start of the UUID.
* @param [in] size The size of the data.
* @param [in] msbFirst Is the MSB first in pData memory?
*/
NimBLEUUID::NimBLEUUID(const uint8_t* pData, size_t size, bool msbFirst) {
if (size != 16) {
NIMBLE_LOGE(LOG_TAG,"ERROR: UUID length not 16 bytes");
return;
}
m_uuid.u.type = BLE_UUID_TYPE_128;
uint8_t *uuidValue = nullptr;
switch(size) {
case 2:
uuidValue = (uint8_t*)&m_uuid.u16.value;
m_uuid.u.type = BLE_UUID_TYPE_16;
break;
case 4:
uuidValue = (uint8_t*)&m_uuid.u32.value;
m_uuid.u.type = BLE_UUID_TYPE_32;
break;
case 16:
uuidValue = m_uuid.u128.value;
m_uuid.u.type = BLE_UUID_TYPE_128;
break;
default:
m_valueSet = false;
NIMBLE_LOGE(LOG_TAG, "Invalid UUID size");
return;
}
if (msbFirst) {
std::reverse_copy(pData, pData + 16, m_uuid.u128.value);
std::reverse_copy(pData, pData + size, uuidValue);
} else {
memcpy(m_uuid.u128.value, pData, 16);
memcpy(uuidValue, pData, size);
}
m_valueSet = true;
} // NimBLEUUID