1 files changed, 16 insertions, 3 deletions
diff --git a/include/arch/timer.h b/include/arch/timer.h
index a94fda4..71f878a 100644
--- a/include/arch/timer.h
+++ b/include/arch/timer.h
@@ -15,13 +15,26 @@
 #include "../../arch/riscv32/include/timer.h"
 #endif
 
-/* return hardware timer frequency */
+/**
+ * Get hardware timer frequency.
+ *
+ * @return Hardware timer frequency, ticks/sec.
+ */
 ticks_t stat_timer();
 
-/* set up timer interrupt for absolute ticks */
+/**
+ * Set up timer interrupt for absolute ticks.
+ *
+ * @param ticks Time point for timer to trigger.
+ * \todo Should maybe be stat_t?
+ */
 void set_timer(ticks_t ticks);
 
-/* current ticks */
+/**
+ * Get current ticks.
+ *
+ * @return Current tick count.
+ */
 ticks_t current_ticks();
 
 #endif /* APOS_ARCH_TIMER_H */