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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

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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_LPC82X/cmsis_nvic.c@337:6ed01c00b962, 2014-10-06 (annotated)

Committer:
mbed_official
Date:
Mon Oct 06 10:00:08 2014 +0100
Revision:
337:6ed01c00b962
Child:
358:9d7ef901f004
Synchronized with git revision b30176a071a49d95914b97d2ab98240f3a1e2cae



Full URL: https://github.com/mbedmicro/mbed/commit/b30176a071a49d95914b97d2ab98240f3a1e2cae/



Platform: LPC824 - new platform addition

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 337:6ed01c00b962 1 /* mbed Microcontroller Library - cmsis_nvic for LPC11U24
mbed_official 337:6ed01c00b962 2 * Copyright (c) 2011 ARM Limited. All rights reserved.
mbed_official 337:6ed01c00b962 3 *
mbed_official 337:6ed01c00b962 4 * CMSIS-style functionality to support dynamic vectors
mbed_official 337:6ed01c00b962 5 */
mbed_official 337:6ed01c00b962 6 #include "cmsis_nvic.h"
mbed_official 337:6ed01c00b962 7
mbed_official 337:6ed01c00b962 8 #define NVIC_RAM_VECTOR_ADDRESS (0x10000000) // Vectors positioned at start of RAM
mbed_official 337:6ed01c00b962 9 #define NVIC_FLASH_VECTOR_ADDRESS (0x0) // Initial vector position in flash
mbed_official 337:6ed01c00b962 10
mbed_official 337:6ed01c00b962 11 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
mbed_official 337:6ed01c00b962 12 uint32_t *vectors = (uint32_t*)SCB->VTOR;
mbed_official 337:6ed01c00b962 13 uint32_t i;
mbed_official 337:6ed01c00b962 14
mbed_official 337:6ed01c00b962 15 // Copy and switch to dynamic vectors if the first time called
mbed_official 337:6ed01c00b962 16 if (SCB->VTOR == NVIC_FLASH_VECTOR_ADDRESS) {
mbed_official 337:6ed01c00b962 17 uint32_t *old_vectors = vectors;
mbed_official 337:6ed01c00b962 18 vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS;
mbed_official 337:6ed01c00b962 19 for (i=0; i<NVIC_NUM_VECTORS; i++) {
mbed_official 337:6ed01c00b962 20 vectors[i] = old_vectors[i];
mbed_official 337:6ed01c00b962 21 }
mbed_official 337:6ed01c00b962 22 SCB->VTOR = (uint32_t)NVIC_RAM_VECTOR_ADDRESS;
mbed_official 337:6ed01c00b962 23 }
mbed_official 337:6ed01c00b962 24 vectors[IRQn + 16] = vector;
mbed_official 337:6ed01c00b962 25 }
mbed_official 337:6ed01c00b962 26
mbed_official 337:6ed01c00b962 27 uint32_t NVIC_GetVector(IRQn_Type IRQn) {
mbed_official 337:6ed01c00b962 28 uint32_t *vectors = (uint32_t*)SCB->VTOR;
mbed_official 337:6ed01c00b962 29 return vectors[IRQn + 16];
mbed_official 337:6ed01c00b962 30 }