From 1bf2b1e475c6b578486019eb3eba96185d0d70fb Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Fri, 16 Feb 2018 17:57:24 -0600
Subject: [PATCH] Use serial macro in sd_mmc_spi_mem.cpp for Due

---
 Marlin/src/HAL/HAL_DUE/usb/sd_mmc_spi_mem.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Marlin/src/HAL/HAL_DUE/usb/sd_mmc_spi_mem.cpp b/Marlin/src/HAL/HAL_DUE/usb/sd_mmc_spi_mem.cpp
index dfc1695711..4de46104e2 100644
--- a/Marlin/src/HAL/HAL_DUE/usb/sd_mmc_spi_mem.cpp
+++ b/Marlin/src/HAL/HAL_DUE/usb/sd_mmc_spi_mem.cpp
@@ -65,7 +65,7 @@ Ctrl_status sd_mmc_spi_usb_read_10(uint32_t addr, uint16_t nb_sector) {
   #ifdef DEBUG_MMC
     char buffer[80];
     sprintf(buffer, "SDRD: %d @ 0x%08x\n", nb_sector, addr);
-    MYSERIAL0.print(buffer);
+    SERIAL_PROTOCOL_P(0, buffer);
   #endif
 
   // Start reading
@@ -99,7 +99,7 @@ Ctrl_status sd_mmc_spi_usb_write_10(uint32_t addr, uint16_t nb_sector) {
   #ifdef DEBUG_MMC
     char buffer[80];
     sprintf(buffer, "SDWR: %d @ 0x%08x\n", nb_sector, addr);
-    MYSERIAL0.print(buffer);
+    SERIAL_PROTOCOL_P(0, buffer);
   #endif
 
   if (!card.getSd2Card().writeStart(addr, nb_sector))
-- 
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