From 38bef9da9196ed261bbee7848ed84b7d3bd071fa Mon Sep 17 00:00:00 2001
From: Chris Pepper <p3p@p3psoft.co.uk>
Date: Mon, 4 Mar 2019 03:03:48 +0000
Subject: [PATCH] Report auto temp to both serial ports, if available (#13301)

---
 Marlin/src/core/serial.h          | 2 +-
 Marlin/src/module/temperature.cpp | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Marlin/src/core/serial.h b/Marlin/src/core/serial.h
index b2d0f73b3d..edc0cb2b6c 100644
--- a/Marlin/src/core/serial.h
+++ b/Marlin/src/core/serial.h
@@ -42,11 +42,11 @@ enum MarlinDebugFlags : uint8_t {
 extern uint8_t marlin_debug_flags;
 #define DEBUGGING(F) (marlin_debug_flags & (MARLIN_DEBUG_## F))
 
+#define SERIAL_BOTH 0x7F
 #if NUM_SERIAL > 1
   extern int8_t serial_port_index;
   #define _PORT_REDIRECT(n,p)   REMEMBER(n,serial_port_index,p)
   #define _PORT_RESTORE(n)      RESTORE(n)
-  #define SERIAL_BOTH 0x7F
   #define SERIAL_OUT(WHAT, ...) do{ \
     if (!serial_port_index || serial_port_index == SERIAL_BOTH) MYSERIAL0.WHAT(__VA_ARGS__); \
     if ( serial_port_index) MYSERIAL1.WHAT(__VA_ARGS__); \
diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp
index 109a3c5318..c425fadced 100644
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@@ -2660,6 +2660,7 @@ void Temperature::isr() {
     void Temperature::auto_report_temperatures() {
       if (auto_report_temp_interval && ELAPSED(millis(), next_temp_report_ms)) {
         next_temp_report_ms = millis() + 1000UL * auto_report_temp_interval;
+        PORT_REDIRECT(SERIAL_BOTH);
         print_heater_states(active_extruder);
         SERIAL_EOL();
       }
-- 
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