From 546f02c6f417bacc124ba04bf24d807a399ea832 Mon Sep 17 00:00:00 2001 From: GMagician Date: Sun, 8 Oct 2017 23:16:35 +0200 Subject: [PATCH] [2.0.x] Addressing #7896 Compiler error, added char c variable --- Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp b/Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp index dbd3f61d0a..badcc3a077 100644 --- a/Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp +++ b/Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp @@ -175,12 +175,12 @@ // If the character is to be stored at the index just before the tail // (such that the head would advance to the current tail), the buffer is // critical, so don't write the character or advance the head. + const char c = M_UDRx; if (i != rx_buffer.tail) { - rx_buffer.buffer[h] = M_UDRx; + rx_buffer.buffer[h] = c; rx_buffer.head = i; } else { - (void)M_UDRx; #if ENABLED(SERIAL_STATS_DROPPED_RX) if (!++rx_dropped_bytes) ++rx_dropped_bytes; #endif @@ -194,7 +194,6 @@ #endif #if ENABLED(SERIAL_XON_XOFF) - // for high speed transfers, we can use XON/XOFF protocol to do // software handshake and avoid overruns. if ((xon_xoff_state & XON_XOFF_CHAR_MASK) == XON_CHAR) {