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authorUwe Hermann2009-07-17 19:01:45 +0200
committerUwe Hermann2009-07-17 19:01:45 +0200
commitf3ac624f2279ce39bb963eb1e626a165d8d7979e (patch)
tree353a576e8af744cd0ffa503d8c2bac11d6ce3412 /include
parente79dc2d65eef9a100bea5b199260e637731493b0 (diff)
Add common.h, currently containing MMIO accessor functions.
Diffstat (limited to 'include')
-rw-r--r--include/libopenstm32.h1
-rw-r--r--include/libopenstm32/common.h31
2 files changed, 32 insertions, 0 deletions
diff --git a/include/libopenstm32.h b/include/libopenstm32.h
index 40d0bf7..89f0ebe 100644
--- a/include/libopenstm32.h
+++ b/include/libopenstm32.h
@@ -22,6 +22,7 @@
#define LIBOPENSTM32_LIBOPENSTM32_H
#include "libopenstm32/stdint.h"
+#include "libopenstm32/common.h"
#include "libopenstm32/memorymap.h"
#include "libopenstm32/gpio.h"
diff --git a/include/libopenstm32/common.h b/include/libopenstm32/common.h
new file mode 100644
index 0000000..d322374
--- /dev/null
+++ b/include/libopenstm32/common.h
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the libopenstm32 project.
+ *
+ * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef LIBOPENSTM32_COMMON_H
+#define LIBOPENSTM32_COMMON_H
+
+#include "libopenstm32.h"
+
+/* Generic memory-mapped I/O accessor functions */
+#define MMIO8(addr) (*(volatile u8 *)(addr))
+#define MMIO16(addr) (*(volatile u16 *)(addr))
+#define MMIO32(addr) (*(volatile u32 *)(addr))
+
+#endif