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Superseded
This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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.
targets/cmsis/TARGET_STM/TARGET_STM32F4XX/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:
- 39:6f0d2ff04ac3
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?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 20:4263a77256ae | 1 | /* mbed Microcontroller Library - cmsis_nvic for STM32F4 |
bogdanm | 20:4263a77256ae | 2 | * Copyright (c) 2009-2011 ARM Limited. All rights reserved. |
bogdanm | 20:4263a77256ae | 3 | * |
bogdanm | 20:4263a77256ae | 4 | * CMSIS-style functionality to support dynamic vectors |
bogdanm | 20:4263a77256ae | 5 | */ |
bogdanm | 20:4263a77256ae | 6 | #include "cmsis_nvic.h" |
bogdanm | 20:4263a77256ae | 7 | |
bogdanm | 20:4263a77256ae | 8 | #define NVIC_RAM_VECTOR_ADDRESS (0x20000000) // Location of vectors in RAM |
mbed_official | 39:6f0d2ff04ac3 | 9 | |
mbed_official | 39:6f0d2ff04ac3 | 10 | static unsigned char vtor_relocated; |
bogdanm | 20:4263a77256ae | 11 | |
bogdanm | 20:4263a77256ae | 12 | void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) { |
bogdanm | 20:4263a77256ae | 13 | uint32_t *vectors = (uint32_t*)SCB->VTOR; |
bogdanm | 20:4263a77256ae | 14 | uint32_t i; |
bogdanm | 20:4263a77256ae | 15 | |
bogdanm | 20:4263a77256ae | 16 | // Copy and switch to dynamic vectors if the first time called |
mbed_official | 39:6f0d2ff04ac3 | 17 | if (!vtor_relocated) { |
bogdanm | 20:4263a77256ae | 18 | uint32_t *old_vectors = vectors; |
bogdanm | 20:4263a77256ae | 19 | vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS; |
bogdanm | 20:4263a77256ae | 20 | for (i=0; i<NVIC_NUM_VECTORS; i++) { |
bogdanm | 20:4263a77256ae | 21 | vectors[i] = old_vectors[i]; |
bogdanm | 20:4263a77256ae | 22 | } |
bogdanm | 20:4263a77256ae | 23 | SCB->VTOR = (uint32_t)NVIC_RAM_VECTOR_ADDRESS; |
mbed_official | 39:6f0d2ff04ac3 | 24 | vtor_relocated = 1; |
bogdanm | 20:4263a77256ae | 25 | } |
bogdanm | 20:4263a77256ae | 26 | vectors[IRQn + 16] = vector; |
bogdanm | 20:4263a77256ae | 27 | } |
bogdanm | 20:4263a77256ae | 28 | |
bogdanm | 20:4263a77256ae | 29 | uint32_t NVIC_GetVector(IRQn_Type IRQn) { |
bogdanm | 20:4263a77256ae | 30 | uint32_t *vectors = (uint32_t*)SCB->VTOR; |
bogdanm | 20:4263a77256ae | 31 | return vectors[IRQn + 16]; |
bogdanm | 20:4263a77256ae | 32 | } |
bogdanm | 20:4263a77256ae | 33 |