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fix #1002 ::Flush() wait for empty send buffer (#3967)

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* fix #1002 ::Flush() wait for empty send buffer

* WiFiClient::Flush() guarantees that the data has been delivered
option 1 of https://github.com/esp8266/Arduino/pull/3967#discussion_r156901071
10ms max wait according to loaded tcp echo/reply scheme
This commit is contained in:
david gauchard
2017-12-17 17:16:41 +01:00
committed by Develo
parent affd1b37b8
commit 26980b39e3
5 changed files with 30 additions and 7 deletions
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2
libraries/ESP8266WiFi/src/WiFiClient.cpp
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@ -259,7 +259,7 @@ size_t WiFiClient::peekBytes(uint8_t *buffer, size_t length) {
void WiFiClient::flush()
{
if (_client)
_client->flush();
_client->wait_until_sent();
}
void WiFiClient::stop()