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Reduce flash usage up to 214k in one click (#2929)

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* std::stringstream -> std::string

* Fix small issues

* Small fix 2
This commit is contained in:
Roman Savrulin
2019-07-09 19:31:17 +03:00
committed by Me No Dev
parent 20498cf8b1
commit a22ec4a978
20 changed files with 229 additions and 205 deletions
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10
libraries/BLE/src/BLEService.cpp
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@ -381,10 +381,12 @@ BLECharacteristic* BLEService::getCharacteristic(BLEUUID uuid) {
* @return A string representation of this service.
*/
std::string BLEService::toString() {
std::stringstream stringStream;
stringStream << "UUID: " << getUUID().toString() <<
", handle: 0x" << std::hex << std::setfill('0') << std::setw(2) << getHandle();
return stringStream.str();
std::string res = "UUID: " + getUUID().toString();
char hex[5];
snprintf(hex, sizeof(hex), "%04x", getHandle());
res += ", handle: 0x";
res += hex;
return res;
} // toString