1 files changed, 36 insertions, 6 deletions

diff --git a/tmk_core/common/print.h b/tmk_core/common/print.h
index 8836c0fc7..2d7184bd0 100644
--- a/tmk_core/common/print.h
+++ b/tmk_core/common/print.h
@@ -29,7 +29,7 @@
 #include <stdbool.h>
 #include "util.h"
 
-#if defined(PROTOCOL_CHIBIOS)
+#if defined(PROTOCOL_CHIBIOS) || defined(PROTOCOL_ARM_ATSAM)
 #define PSTR(x) x
 #endif
 
@@ -60,7 +60,7 @@
 #    define println(s)         xputs(PSTR(s "\r\n"))
 #    define uprint(s)          print(s)
 #    define uprintln(s)        println(s)
-#    define uprintf(fmt, ...)  xprintf(fmt, ...)
+#    define uprintf(fmt, ...)  xprintf(fmt, ##__VA_ARGS__)
 
 #  endif /* USER_PRINT / NORMAL PRINT */
 
@@ -73,7 +73,9 @@ void print_set_sendchar(int8_t (*print_sendchar_func)(uint8_t));
 
 #elif defined(PROTOCOL_CHIBIOS) /* PROTOCOL_CHIBIOS */
 
+#ifndef TERMINAL_ENABLE
 #  include "chibios/printf.h"
+#endif
 
 #  ifdef USER_PRINT /* USER_PRINT */
 
@@ -99,6 +101,34 @@ void print_set_sendchar(int8_t (*print_sendchar_func)(uint8_t));
 
 #  endif /* USER_PRINT / NORMAL PRINT */
 
+#elif defined(PROTOCOL_ARM_ATSAM) /* PROTOCOL_ARM_ATSAM */
+
+#  include "arm_atsam/printf.h"
+
+#  ifdef USER_PRINT /* USER_PRINT */
+
+// Remove normal print defines
+#    define print(s)
+#    define println(s)
+#    define xprintf(fmt, ...)
+
+// Create user print defines
+#    define uprintf(fmt, ...)  __xprintf(fmt, ##__VA_ARGS__)
+#    define uprint(s)          xprintf(s)
+#    define uprintln(s)        xprintf(s "\r\n")
+
+#  else /* NORMAL PRINT */
+
+// Create user & normal print defines
+#    define xprintf(fmt, ...)  __xprintf(fmt, ##__VA_ARGS__)
+#    define print(s)           xprintf(s)
+#    define println(s)         xprintf(s "\r\n")
+#    define uprint(s)          print(s)
+#    define uprintln(s)        println(s)
+#    define uprintf(fmt, ...)  xprintf(fmt, ##__VA_ARGS__)
+
+#  endif /* USER_PRINT / NORMAL PRINT */
+
 #elif defined(__arm__) /* __arm__ */
 
 #  include "mbed/xprintf.h"
@@ -111,26 +141,26 @@ void print_set_sendchar(int8_t (*print_sendchar_func)(uint8_t));
 #    define xprintf(fmt, ...)
 
 // Create user print defines
-#    define uprintf(fmt, ...)  __xprintf(fmt, ...)
+#    define uprintf(fmt, ...)  __xprintf(fmt, ##__VA_ARGS__)
 #    define uprint(s)          xprintf(s)
 #    define uprintln(s)        xprintf(s "\r\n")
 
 #  else /* NORMAL PRINT */
 
 // Create user & normal print defines
-#    define xprintf(fmt, ...)  __xprintf(fmt, ...)
+#    define xprintf(fmt, ...)  __xprintf(fmt, ##__VA_ARGS__)
 #    define print(s)           xprintf(s)
 #    define println(s)         xprintf(s "\r\n")
 #    define uprint(s)          print(s)
 #    define uprintln(s)        println(s)
-#    define uprintf(fmt, ...)  xprintf(fmt, ...)
+#    define uprintf(fmt, ...)  xprintf(fmt, ##__VA_ARGS__)
 
 #  endif /* USER_PRINT / NORMAL PRINT */
 
 /* TODO: to select output destinations: UART/USBSerial */
 #  define print_set_sendchar(func)
 
-#endif /* __AVR__ / PROTOCOL_CHIBIOS / __arm__ */
+#endif /* __AVR__ / PROTOCOL_CHIBIOS / PROTOCOL_ARM_ATSAM / __arm__ */
 
 // User print disables the normal print messages in the body of QMK/TMK code and
 // is meant as a lightweight alternative to NOPRINT. Use it when you only want to do