initial checkout from wrc

1 files changed, 55 insertions, 0 deletions

diff --git a/include/clock.h b/include/clock.h
new file mode 100644
index 0000000..6eae41f
--- /dev/null
+++ b/include/clock.h
@@ -0,0 +1,55 @@
+/**
+** @file	clock.h
+**
+** @author	CSCI-452 class of 20245
+**
+** @brief	Clock module declarations
+*/
+
+#ifndef CLOCK_H_
+#define CLOCK_H_
+
+#include <common.h>
+
+/*
+** General (C and/or assembly) definitions
+*/
+
+// conversion functions for seconds, ms, and ticks
+// (SEC_TO_MS is defined in defs.h)
+#define MS_TO_TICKS(n)           ((n))
+#define SEC_TO_TICKS(n)          (MS_TO_TICKS(SEC_TO_MS(n)))
+#define TICKS_TO_SEC(n)          ((n) / CLOCK_FREQ)
+#define TICKS_TO_SEC_ROUNDED(n)  (((n)+(CLOCK_FREQ-1)) / CLOCK_FREQ)
+
+#ifndef ASM_SRC
+
+/*
+** Start of C-only definitions
+*/
+
+/*
+** Types
+*/
+
+/*
+** Globals
+*/
+
+// current system time
+extern uint32_t system_time;
+
+/*
+** Prototypes
+*/
+
+/**
+** Name:	clk_init
+**
+** Clock module initialization
+*/
+void clk_init( void );
+
+#endif  /* !ASM_SRC */
+
+#endif