mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L073RZ/cmsis_nvic.c@579:53297373a894, 2015-07-01 (annotated)

Committer:
mbed_official
Date:
Wed Jul 01 09:45:11 2015 +0100
Revision:
579:53297373a894
Parent:
494:41cd0bfadcd0 
Synchronized with git revision d5b4d2ab9c47edb4dc5776e7177b0c2263459081



Full URL: https://github.com/mbedmicro/mbed/commit/d5b4d2ab9c47edb4dc5776e7177b0c2263459081/



Initial version of drivers for SAMR21

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 494:41cd0bfadcd0 1 /* mbed Microcontroller Library
mbed_official 494:41cd0bfadcd0 2 * CMSIS-style functionality to support dynamic vectors
mbed_official 494:41cd0bfadcd0 3 *******************************************************************************
mbed_official 494:41cd0bfadcd0 4 * Copyright (c) 2014, STMicroelectronics
mbed_official 494:41cd0bfadcd0 5 * All rights reserved.
mbed_official 494:41cd0bfadcd0 6 *
mbed_official 494:41cd0bfadcd0 7 * Redistribution and use in source and binary forms, with or without
mbed_official 494:41cd0bfadcd0 8 * modification, are permitted provided that the following conditions are met:
mbed_official 494:41cd0bfadcd0 9 *
mbed_official 494:41cd0bfadcd0 10 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 494:41cd0bfadcd0 11 * this list of conditions and the following disclaimer.
mbed_official 494:41cd0bfadcd0 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 494:41cd0bfadcd0 13 * this list of conditions and the following disclaimer in the documentation
mbed_official 494:41cd0bfadcd0 14 * and/or other materials provided with the distribution.
mbed_official 494:41cd0bfadcd0 15 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 494:41cd0bfadcd0 16 * may be used to endorse or promote products derived from this software
mbed_official 494:41cd0bfadcd0 17 * without specific prior written permission.
mbed_official 494:41cd0bfadcd0 18 *
mbed_official 494:41cd0bfadcd0 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 494:41cd0bfadcd0 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 494:41cd0bfadcd0 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 494:41cd0bfadcd0 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 494:41cd0bfadcd0 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 494:41cd0bfadcd0 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 494:41cd0bfadcd0 25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 494:41cd0bfadcd0 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 494:41cd0bfadcd0 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 494:41cd0bfadcd0 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 494:41cd0bfadcd0 29 *******************************************************************************
mbed_official 494:41cd0bfadcd0 30 */
mbed_official 494:41cd0bfadcd0 31 #include "cmsis_nvic.h"
mbed_official 494:41cd0bfadcd0 32
mbed_official 494:41cd0bfadcd0 33 #define NVIC_RAM_VECTOR_ADDRESS (0x20000000) // Vectors positioned at start of RAM
mbed_official 494:41cd0bfadcd0 34 #define NVIC_FLASH_VECTOR_ADDRESS (0x08000000) // Initial vector position in flash
mbed_official 494:41cd0bfadcd0 35
mbed_official 494:41cd0bfadcd0 36 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
mbed_official 494:41cd0bfadcd0 37 uint32_t *vectors = (uint32_t *)SCB->VTOR;
mbed_official 494:41cd0bfadcd0 38 uint32_t i;
mbed_official 494:41cd0bfadcd0 39
mbed_official 494:41cd0bfadcd0 40 // Copy and switch to dynamic vectors if the first time called
mbed_official 494:41cd0bfadcd0 41 if (SCB->VTOR == NVIC_FLASH_VECTOR_ADDRESS) {
mbed_official 494:41cd0bfadcd0 42 uint32_t *old_vectors = vectors;
mbed_official 494:41cd0bfadcd0 43 vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS;
mbed_official 494:41cd0bfadcd0 44 for (i=0; i<NVIC_NUM_VECTORS; i++) {
mbed_official 494:41cd0bfadcd0 45 vectors[i] = old_vectors[i];
mbed_official 494:41cd0bfadcd0 46 }
mbed_official 494:41cd0bfadcd0 47 SCB->VTOR = (uint32_t)NVIC_RAM_VECTOR_ADDRESS;
mbed_official 494:41cd0bfadcd0 48 }
mbed_official 494:41cd0bfadcd0 49 vectors[IRQn + NVIC_USER_IRQ_OFFSET] = vector;
mbed_official 494:41cd0bfadcd0 50 }
mbed_official 494:41cd0bfadcd0 51
mbed_official 494:41cd0bfadcd0 52 uint32_t NVIC_GetVector(IRQn_Type IRQn) {
mbed_official 494:41cd0bfadcd0 53 uint32_t *vectors = (uint32_t*)SCB->VTOR;
mbed_official 494:41cd0bfadcd0 54 return vectors[IRQn + NVIC_USER_IRQ_OFFSET];
mbed_official 494:41cd0bfadcd0 55 }