diff --git a/software/videomixer/time.h b/software/include/base/time.h
similarity index 63%
rename from software/videomixer/time.h
rename to software/include/base/time.h
index a8ebe23fd..34083902c 100644
--- a/software/videomixer/time.h
+++ b/software/include/base/time.h
@@ -1,7 +1,15 @@
 #ifndef __TIME_H
 #define __TIME_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 void time_init(void);
 int elapsed(int *last_event, int period);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __TIME_H */
diff --git a/software/libbase/Makefile b/software/libbase/Makefile
index e58da5ceb..b9b9a7ab2 100644
--- a/software/libbase/Makefile
+++ b/software/libbase/Makefile
@@ -1,7 +1,7 @@
 M2DIR=../..
 include $(M2DIR)/software/common.mak
 
-OBJECTS=setjmp.o libc.o errno.o crc16.o crc32.o console.o system.o id.o uart.o qsort.o strtod.o
+OBJECTS=setjmp.o libc.o errno.o crc16.o crc32.o console.o system.o id.o uart.o time.o qsort.o strtod.o
 
 all: crt0.o libbase.a libbase-nofloat.a
 
diff --git a/software/videomixer/time.c b/software/libbase/time.c
similarity index 96%
rename from software/videomixer/time.c
rename to software/libbase/time.c
index 1f2c3aa96..c1c2ea8b8 100644
--- a/software/videomixer/time.c
+++ b/software/libbase/time.c
@@ -1,6 +1,5 @@
 #include <hw/csr.h>
-
-#include "time.h"
+#include <time.h>
 
 void time_init(void)
 {
diff --git a/software/videomixer/Makefile b/software/videomixer/Makefile
index 347dccc7e..9742ac9d7 100644
--- a/software/videomixer/Makefile
+++ b/software/videomixer/Makefile
@@ -1,7 +1,7 @@
 M2DIR=../..
 include $(M2DIR)/software/common.mak
 
-OBJECTS=isr.o time.o fb.o dvisampler0.o dvisampler1.o main.o
+OBJECTS=isr.o fb.o dvisampler0.o dvisampler1.o main.o
 
 all: videomixer.bin videomixer.fbi
 
diff --git a/software/videomixer/dvisamplerX.c b/software/videomixer/dvisamplerX.c
index fbb0b688f..e089ed195 100644
--- a/software/videomixer/dvisamplerX.c
+++ b/software/videomixer/dvisamplerX.c
@@ -3,10 +3,10 @@
 
 #include <irq.h>
 #include <uart.h>
+#include <time.h>
 #include <hw/csr.h>
 #include <hw/flags.h>
 
-#include "time.h"
 #include "fb.h"
 #include "dvisamplerX.h"
 
diff --git a/software/videomixer/main.c b/software/videomixer/main.c
index 4407d64aa..5d6128a4e 100644
--- a/software/videomixer/main.c
+++ b/software/videomixer/main.c
@@ -3,11 +3,11 @@
 
 #include <irq.h>
 #include <uart.h>
+#include <time.h>
 #include <hw/csr.h>
 #include <hw/flags.h>
 #include <console.h>
 
-#include "time.h"
 #include "fb.h"
 #include "dvisampler0.h"
 #include "dvisampler1.h"