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-rw-r--r--src/linux/internal.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/linux/internal.h b/src/linux/internal.h
index b9e77d18..b47426b3 100644
--- a/src/linux/internal.h
+++ b/src/linux/internal.h
@@ -3,6 +3,10 @@
// Local definitions for micro-controllers running on linux
#include <time.h> // struct timespec
+#include "autoconf.h" // CONFIG_CLOCK_FREQ
+
+#define NSECS 1000000000
+#define NSECS_PER_TICK (NSECS / CONFIG_CLOCK_FREQ)
// console.c
void report_errno(char *where, int rc);