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[socket] ESP8266: call delay(0) instead of esp_delay(0, cb) for zero timeout (#13530)

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This commit is contained in:
J. Nick Koston
2026-01-26 17:34:55 -10:00
committed by Jonathan Swoboda
parent f7937ef952
commit 40ea65b1c0
1 changed files with 8 additions and 0 deletions
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8
esphome/components/socket/lwip_raw_tcp_impl.cpp
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@@ -29,6 +29,14 @@ void socket_delay(uint32_t ms) {
// Use esp_delay with a callback that checks if socket data arrived.
// This allows the delay to exit early when socket_wake() is called by
// lwip recv_fn/accept_fn callbacks, reducing socket latency.
//
// When ms is 0, we must use delay(0) because esp_delay(0, callback)
// exits immediately without yielding, which can cause watchdog timeouts
// when the main loop runs in high-frequency mode (e.g., during light effects).
if (ms == 0) {
delay(0);
return;
}
s_socket_woke = false;
esp_delay(ms, []() { return !s_socket_woke; });
}