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-rw-r--r--src/arch/arduino-nano/driver/counter.cc10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/arch/arduino-nano/driver/counter.cc b/src/arch/arduino-nano/driver/counter.cc
new file mode 100644
index 0000000..4e62983
--- /dev/null
+++ b/src/arch/arduino-nano/driver/counter.cc
@@ -0,0 +1,10 @@
+#include "driver/counter.h"
+
+Counter counter;
+
+ISR(TIMER1_OVF_vect)
+{
+ if (counter.overflowed < 255) {
+ counter.overflowed++;
+ }
+}