diff --git a/esphome/components/dfplayer/dfplayer.cpp b/esphome/components/dfplayer/dfplayer.cpp index 91aa608d01..48c06be558 100644 --- a/esphome/components/dfplayer/dfplayer.cpp +++ b/esphome/components/dfplayer/dfplayer.cpp @@ -132,12 +132,8 @@ void DFPlayer::send_cmd_(uint8_t cmd, uint16_t argument) { } void DFPlayer::loop() { - // Early return avoids stack adjustment for the batch buffer below. - // loop() runs ~7000/min so most calls have nothing to read. + // Read all available bytes in batches to reduce UART call overhead. int avail = this->available(); - if (avail <= 0) - return; - uint8_t buf[64]; while (avail > 0) { size_t to_read = std::min(static_cast(avail), sizeof(buf));