From 9e4c08d89c9838465a09bc33770c451cffd3a9b5 Mon Sep 17 00:00:00 2001
From: Hauke Petersen <hauke.petersen@fu-berlin.de>
Date: Wed, 6 Apr 2016 17:13:31 +0200
Subject: [PATCH] cpu/atmega2560: added CMSIS style defs for timers
---
cpu/atmega2560/include/atmega2560_regs.h | 74 ++++++++++++++++++++++++
cpu/atmega2560/include/cpu_conf.h | 2 +
2 files changed, 76 insertions(+)
create mode 100644 cpu/atmega2560/include/atmega2560_regs.h
diff --git a/cpu/atmega2560/include/atmega2560_regs.h b/cpu/atmega2560/include/atmega2560_regs.h
new file mode 100644
index 0000000000..2db8a7a16d
--- /dev/null
+++ b/cpu/atmega2560/include/atmega2560_regs.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup cpu_atmega2560
+ * @{
+ *
+ * @file
+ * @brief CMSIS style register definitions for the atmega2560
+ *
+ * @author Hauke Petersen <hauke.petersen@fu-berlin.de>
+ */
+
+#ifndef ATMEGA2560_REGS_H
+#define ATMEGA2560_REGS_H
+
+#include <avr/io.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Register types
+ * @{
+ */
+#define REG8 volatile uint8_t
+#define REG16 volatile uint16_t
+/** @} */
+
+/**
+ * @brief Timer register map
+ */
+typedef struct {
+ REG8 CRA; /**< control A */
+ REG8 CRB; /**< control B */
+ REG8 CRC; /**< control C */
+ REG8 reserved; /**< reserved */
+ REG16 CNT; /**< counter */
+ REG16 ICR; /**< input capture */
+ REG16 OCR[3]; /**< output compare */
+} mega_timer_t;
+
+/**
+ * @brief Base register address definitions
+ * @{
+ */
+#define MEGA_TIMER1_BASE (uint16_t *)(&TCCR1A)
+#define MEGA_TIMER3_BASE (uint16_t *)(&TCCR3A)
+#define MEGA_TIMER4_BASE (uint16_t *)(&TCCR4A)
+#define MEGA_TIMER5_BASE (uint16_t *)(&TCCR5A)
+/** @} */
+
+/**
+ * @brief Peripheral instances
+ * @{
+ */
+#define MEGA_TIMER1 ((mega_timer_t *)MEGA_TIMER1_BASE)
+#define MEGA_TIMER3 ((mega_timer_t *)MEGA_TIMER3_BASE)
+#define MEGA_TIMER4 ((mega_timer_t *)MEGA_TIMER4_BASE)
+#define MEGA_TIMER5 ((mega_timer_t *)MEGA_TIMER5_BASE)
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ATMEGA2560_REGS_H */
+/** @} */
diff --git a/cpu/atmega2560/include/cpu_conf.h b/cpu/atmega2560/include/cpu_conf.h
index 0cdbd30058..4ebd7ee854 100644
--- a/cpu/atmega2560/include/cpu_conf.h
+++ b/cpu/atmega2560/include/cpu_conf.h
@@ -7,6 +7,7 @@
*/
/**
+ * @ingroup cpu_atmega2560
* @{
*
* @file
@@ -19,6 +20,7 @@
#ifndef __CPU_CONF_H
#define __CPU_CONF_H
+#include "atmega2560_regs.h"
#ifdef __cplusplus
extern "C" {
--
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