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+/* *****************************************************************************
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ * Created: 12/18/09 02:36:47
+ * Copyright (c) 2009 Perry L. Hung. All rights reserved.
+ *
+ * ****************************************************************************/
+
+/**
+ * @file nvic.h
+ *
+ * @brief Nested interrupt controller defines and prototypes
+ */
+
+#ifndef _NVIC_H_
+#define _NVIC_H_
+
+#define NVIC_EXTI1_OFFSET (NVIC_ISER0 + 0x07)
+#define NVIC_EXTI9_5_OFFSET (NVIC_ISER0 + 0x17)
+
+/* NVIC Interrupt Enable registers */
+#define NVIC_ISER0 0xE000E100
+#define NVIC_ISER1 0xE000E104
+#define NVIC_ISER2 0xE000E108
+#define NVIC_ISER3 0xE000E10C
+
+/* NVIC Interrupt Clear registers */
+#define NVIC_ICER0 0xE000E180
+#define NVIC_ICER1 0xE000E184
+#define NVIC_ICER2 0xE000E188
+#define NVIC_ICER3 0xE000E18C
+
+/* System control registers */
+#define SCB_VTOR 0xE000ED08 // Vector table offset register
+
+#define NVIC_VectTab_RAM ((u32)0x20000000)
+#define NVIC_VectTab_FLASH ((u32)0x08000000)
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+void nvic_disable_interrupts(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif
+