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mbed library sources

Fork of mbed-src by mbed official

targets/cmsis/TARGET_WIZNET/TARGET_W7500x/cmsis_nvic.c@636:b0d178e9fa10, 2016-07-07 (annotated)

Committer:
lzbpli
Date:
Thu Jul 07 06:48:59 2016 +0000
Revision:
636:b0d178e9fa10
Parent:
619:034e698bc035 
l053

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 558:0880f51c4036 1 /* mbed Microcontroller Library
mbed_official 558:0880f51c4036 2 * CMSIS-style functionality to support dynamic vectors
mbed_official 558:0880f51c4036 3 *******************************************************************************
mbed_official 558:0880f51c4036 4 * Copyright (c) 2014, STMicroelectronics
mbed_official 558:0880f51c4036 5 * All rights reserved.
mbed_official 558:0880f51c4036 6 *
mbed_official 558:0880f51c4036 7 * Redistribution and use in source and binary forms, with or without
mbed_official 558:0880f51c4036 8 * modification, are permitted provided that the following conditions are met:
mbed_official 558:0880f51c4036 9 *
mbed_official 558:0880f51c4036 10 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 558:0880f51c4036 11 * this list of conditions and the following disclaimer.
mbed_official 558:0880f51c4036 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 558:0880f51c4036 13 * this list of conditions and the following disclaimer in the documentation
mbed_official 558:0880f51c4036 14 * and/or other materials provided with the distribution.
mbed_official 558:0880f51c4036 15 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 558:0880f51c4036 16 * may be used to endorse or promote products derived from this software
mbed_official 558:0880f51c4036 17 * without specific prior written permission.
mbed_official 558:0880f51c4036 18 *
mbed_official 558:0880f51c4036 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 558:0880f51c4036 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 558:0880f51c4036 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 558:0880f51c4036 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 558:0880f51c4036 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 558:0880f51c4036 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 558:0880f51c4036 25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 558:0880f51c4036 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 558:0880f51c4036 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 558:0880f51c4036 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 558:0880f51c4036 29 *******************************************************************************
mbed_official 558:0880f51c4036 30 */
mbed_official 558:0880f51c4036 31 #include "cmsis_nvic.h"
mbed_official 558:0880f51c4036 32
mbed_official 558:0880f51c4036 33 #define NVIC_RAM_VECTOR_ADDRESS (0x20000000) // Vectors positioned at start of RAM
mbed_official 558:0880f51c4036 34 #define NVIC_FLASH_VECTOR_ADDRESS (0x00000000) // Initial vector position in flash
mbed_official 558:0880f51c4036 35
mbed_official 558:0880f51c4036 36
mbed_official 558:0880f51c4036 37 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
mbed_official 558:0880f51c4036 38 static volatile uint32_t *vectors = (uint32_t *)NVIC_RAM_VECTOR_ADDRESS;
mbed_official 558:0880f51c4036 39
mbed_official 558:0880f51c4036 40 vectors[IRQn + 16] = vector;
mbed_official 558:0880f51c4036 41 }
mbed_official 558:0880f51c4036 42
mbed_official 558:0880f51c4036 43 uint32_t NVIC_GetVector(IRQn_Type IRQn) {
mbed_official 558:0880f51c4036 44 uint32_t *vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS;
mbed_official 558:0880f51c4036 45 // Return the vector
mbed_official 558:0880f51c4036 46 return vectors[IRQn + 16];
mbed_official 558:0880f51c4036 47 }