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-rw-r--r--digital/io/src/main_timer.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/digital/io/src/main_timer.h b/digital/io/src/main_timer.h
index 3f582f95..b04c1775 100644
--- a/digital/io/src/main_timer.h
+++ b/digital/io/src/main_timer.h
@@ -52,7 +52,7 @@
* Period of timer/counter 0 (in millisecond).
*/
#define MT_TC0_PERIOD \
- (1000 / (AC_FREQ / (MT_TC0_PRESCALER * (MT_TC0_TOP + 1))))
+ (1000.0 / (AC_FREQ / (MT_TC0_PRESCALER * (MT_TC0_TOP + 1))))
/**
* Initialize the main timer to 4.444 ms.