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Keep early guard to avoid stack buffer allocation
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@@ -397,8 +397,12 @@ bool Nextion::remove_from_q_(bool report_empty) {
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}
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void Nextion::process_serial_() {
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// Read all available bytes in batches to reduce UART call overhead.
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int avail = this->available();
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if (avail <= 0) {
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return;
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}
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// Read all available bytes in batches to reduce UART call overhead.
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uint8_t buf[64];
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while (avail > 0) {
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size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
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