From b5c347bba125d91a0c215f9d0edd33fefca2db51 Mon Sep 17 00:00:00 2001
From: Tomasz Kramkowski <tk@the-tk.com>
Date: Wed, 30 Nov 2016 16:58:16 +0000
Subject: Add defines for PIT

---
 lib/reg.h     |  2 +-
 lib/reg/pit.h | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 lib/reg/pit.h

(limited to 'lib')

diff --git a/lib/reg.h b/lib/reg.h
index 1a10792..8d316e0 100644
--- a/lib/reg.h
+++ b/lib/reg.h
@@ -27,7 +27,7 @@
 //#include <reg/vref.h>
 //#include <reg/pdb.h>
 //#include <reg/ftm.h>
-//#include <reg/pit.h>
+#include <reg/pit.h>
 //#include <reg/lptmr.h>
 //#include <reg/cmt.h>
 //#include <reg/rtc.h>
diff --git a/lib/reg/pit.h b/lib/reg/pit.h
new file mode 100644
index 0000000..90587f6
--- /dev/null
+++ b/lib/reg/pit.h
@@ -0,0 +1,26 @@
+#ifndef LIB_REG_PIT_H
+#define LIB_REG_PIT_H
+
+#include "regdefs.h"
+
+#define PIT_MCR REG_32(0x40037000) // PIT Module Control Register
+#define MCR_MDIS 1
+#define MCR_FRZ 0
+
+#define PIT_LDVAL(n) REG_32(0x40037100 + 16 * (n)) // Timer Load Value Register
+#define LDVAL_TSV 0 // Timer Start Value
+#define LDVAL_TSV_M (uint32_t)BITS(32)
+
+#define PIT_CVAL(n) REG_32(0x40037104 + 16 * (n)) // Current Timer Value Register
+#define CVAL_TVL 0 // Current Timer Value
+#define CVAL_TVL_M (uint32_t)BITS(32)
+
+#define PIT_TCTRL(n) REG_32(0x40037108 + 16 * (n)) // Timer Control Register
+#define TCTRL_CHN 2 // Chain Mode
+#define TCTRL_TIE 1 // Timer Interrupt Enable
+#define TCTRL_TEN 0 // Timer Enable
+
+#define PIT_TFLG(n) REG_32(0x4003710C + 16 * (n)) // Timer Flag Register
+#define TFLG_TIF 0 // Timer Interrupt Flag
+
+#endif /* LIB_REG_PIT_H */
-- 
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