Support a third serial port (#21784)

2021-05-07 17:31:45 +12:00
parent be6fbc76a1
commit 02405add76
20 changed files with 212 additions and 47 deletions
--- a/Marlin/src/MarlinCore.cpp
+++ b/Marlin/src/MarlinCore.cpp
@@ -1075,6 +1075,11 @@ void setup() {
    MYSERIAL2.begin(BAUDRATE);
    serial_connect_timeout = millis() + 1000UL;
    while (!MYSERIAL2.connected() && PENDING(millis(), serial_connect_timeout)) { /*nada*/ }
+    #ifdef SERIAL_PORT_3
+      MYSERIAL3.begin(BAUDRATE);
+      serial_connect_timeout = millis() + 1000UL;
+      while (!MYSERIAL3.connected() && PENDING(millis(), serial_connect_timeout)) { /*nada*/ }
+    #endif
  #endif
  SERIAL_ECHOLNPGM("start");