Fix serial index types

2021-03-10 11:33:29 -06:00
parent b75e682c50
commit fe0b770033
4 changed files with 6 additions and 6 deletions
--- a/Marlin/src/sd/cardreader.h
+++ b/Marlin/src/sd/cardreader.h
@@ -72,9 +72,9 @@ public:
  // Fast! binary file transfer
  #if ENABLED(BINARY_FILE_TRANSFER)
    #if HAS_MULTI_SERIAL
-      static int8_t transfer_port_index;
+      static serial_index_t transfer_port_index;
    #else
-      static constexpr int8_t transfer_port_index = 0;
+      static constexpr serial_index_t transfer_port_index = 0;
    #endif
  #endif