From 1d3861ef93f8423176c6010ab606abdab00a7cbd Mon Sep 17 00:00:00 2001 From: bnewbold Date: Wed, 31 Mar 2010 08:52:45 +0800 Subject: Major hierarchy reorganization; see README. copy-to-ide and Makefile updated to conform; .gitignore added; LICENSE added --- libmaple/nvic.h | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 libmaple/nvic.h (limited to 'libmaple/nvic.h') diff --git a/libmaple/nvic.h b/libmaple/nvic.h new file mode 100644 index 0000000..5908e9c --- /dev/null +++ b/libmaple/nvic.h @@ -0,0 +1,67 @@ +/* ***************************************************************************** + * 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 . + * + * 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_INT_USBHP 19 +#define NVIC_INT_USBLP 20 +#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) + +#define NVIC_NR_INTERRUPTS 60 + +#ifdef __cplusplus +extern "C"{ +#endif + +void nvic_disable_interrupts(void); +void nvic_enable_interrupt(uint32); + +#ifdef __cplusplus +} +#endif + + +#endif + -- cgit v1.2.3