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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

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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_NXP/TARGET_LPC15XX/cmsis_nvic.c@103:9b881da47c92, 2014-02-20 (annotated)

Committer:
mbed_official
Date:
Thu Feb 20 23:00:08 2014 +0000
Revision:
103:9b881da47c92
Child:
358:9d7ef901f004
Synchronized with git revision 1f2da5f6047218c8c45334c11bdaaaeab3c18841



Full URL: https://github.com/mbedmicro/mbed/commit/1f2da5f6047218c8c45334c11bdaaaeab3c18841/



NXP master merge

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 103:9b881da47c92 1 /* mbed Microcontroller Library - cmsis_nvic for LPC11U24
mbed_official 103:9b881da47c92 2 * Copyright (c) 2011 ARM Limited. All rights reserved.
mbed_official 103:9b881da47c92 3 *
mbed_official 103:9b881da47c92 4 * CMSIS-style functionality to support dynamic vectors
mbed_official 103:9b881da47c92 5 */
mbed_official 103:9b881da47c92 6 #include "cmsis_nvic.h"
mbed_official 103:9b881da47c92 7
mbed_official 103:9b881da47c92 8 #define NVIC_RAM_VECTOR_ADDRESS (0x02000000) // Vectors positioned at start of RAM
mbed_official 103:9b881da47c92 9 #define NVIC_FLASH_VECTOR_ADDRESS (0x0) // Initial vector position in flash
mbed_official 103:9b881da47c92 10
mbed_official 103:9b881da47c92 11 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
mbed_official 103:9b881da47c92 12 uint32_t *vectors = (uint32_t*)SCB->VTOR;
mbed_official 103:9b881da47c92 13 uint32_t i;
mbed_official 103:9b881da47c92 14
mbed_official 103:9b881da47c92 15 // Copy and switch to dynamic vectors if the first time called
mbed_official 103:9b881da47c92 16 if (SCB->VTOR == NVIC_FLASH_VECTOR_ADDRESS) {
mbed_official 103:9b881da47c92 17 uint32_t *old_vectors = vectors;
mbed_official 103:9b881da47c92 18 vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS;
mbed_official 103:9b881da47c92 19 for (i=0; i<NVIC_NUM_VECTORS; i++) {
mbed_official 103:9b881da47c92 20 vectors[i] = old_vectors[i];
mbed_official 103:9b881da47c92 21 }
mbed_official 103:9b881da47c92 22 SCB->VTOR = (uint32_t)NVIC_RAM_VECTOR_ADDRESS;
mbed_official 103:9b881da47c92 23 }
mbed_official 103:9b881da47c92 24 vectors[IRQn + 16] = vector;
mbed_official 103:9b881da47c92 25 }
mbed_official 103:9b881da47c92 26
mbed_official 103:9b881da47c92 27 uint32_t NVIC_GetVector(IRQn_Type IRQn) {
mbed_official 103:9b881da47c92 28 uint32_t *vectors = (uint32_t*)SCB->VTOR;
mbed_official 103:9b881da47c92 29 return vectors[IRQn + 16];
mbed_official 103:9b881da47c92 30 }