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This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_Freescale/TARGET_MCU_K64F/cmsis_nvic.c@358:9d7ef901f004, 2014-10-20 (annotated)

Committer:
mbed_official
Date:
Mon Oct 20 08:45:07 2014 +0100
Revision:
358:9d7ef901f004
Parent:
320:be04b2b1e3f2 
Synchronized with git revision 996e49964cd2c762ffd47bdce32ff3211f997782



Full URL: https://github.com/mbedmicro/mbed/commit/996e49964cd2c762ffd47bdce32ff3211f997782/



API: Timer - start() behavior (bug)fix

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 358:9d7ef901f004 1 /* mbed Microcontroller Library
mbed_official 358:9d7ef901f004 2 * CMSIS-style functionality to support dynamic vectors
mbed_official 358:9d7ef901f004 3 *******************************************************************************
mbed_official 146:f64d43ff0c18 4 * Copyright (c) 2011 ARM Limited. All rights reserved.
mbed_official 358:9d7ef901f004 5 * All rights reserved.
mbed_official 146:f64d43ff0c18 6 *
mbed_official 358:9d7ef901f004 7 * Redistribution and use in source and binary forms, with or without
mbed_official 358:9d7ef901f004 8 * modification, are permitted provided that the following conditions are met:
mbed_official 358:9d7ef901f004 9 *
mbed_official 358:9d7ef901f004 10 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 358:9d7ef901f004 11 * this list of conditions and the following disclaimer.
mbed_official 358:9d7ef901f004 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 358:9d7ef901f004 13 * this list of conditions and the following disclaimer in the documentation
mbed_official 358:9d7ef901f004 14 * and/or other materials provided with the distribution.
mbed_official 358:9d7ef901f004 15 * 3. Neither the name of ARM Limited nor the names of its contributors
mbed_official 358:9d7ef901f004 16 * may be used to endorse or promote products derived from this software
mbed_official 358:9d7ef901f004 17 * without specific prior written permission.
mbed_official 358:9d7ef901f004 18 *
mbed_official 358:9d7ef901f004 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 358:9d7ef901f004 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 358:9d7ef901f004 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 358:9d7ef901f004 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 358:9d7ef901f004 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 358:9d7ef901f004 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 358:9d7ef901f004 25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 358:9d7ef901f004 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 358:9d7ef901f004 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 358:9d7ef901f004 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 358:9d7ef901f004 29 *******************************************************************************
mbed_official 146:f64d43ff0c18 30 */
mbed_official 146:f64d43ff0c18 31 #include "cmsis_nvic.h"
mbed_official 146:f64d43ff0c18 32
mbed_official 146:f64d43ff0c18 33 #define NVIC_RAM_VECTOR_ADDRESS (0x1FFF0000) // Vectors positioned at start of RAM
mbed_official 146:f64d43ff0c18 34 #define NVIC_FLASH_VECTOR_ADDRESS (0x0) // Initial vector position in flash
mbed_official 146:f64d43ff0c18 35
mbed_official 146:f64d43ff0c18 36 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
mbed_official 146:f64d43ff0c18 37 uint32_t *vectors = (uint32_t*)SCB->VTOR;
mbed_official 146:f64d43ff0c18 38 uint32_t i;
mbed_official 146:f64d43ff0c18 39
mbed_official 146:f64d43ff0c18 40 // Copy and switch to dynamic vectors if the first time called
mbed_official 146:f64d43ff0c18 41 if (SCB->VTOR == NVIC_FLASH_VECTOR_ADDRESS) {
mbed_official 146:f64d43ff0c18 42 uint32_t *old_vectors = vectors;
mbed_official 146:f64d43ff0c18 43 vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS;
mbed_official 146:f64d43ff0c18 44 for (i=0; i<NVIC_NUM_VECTORS; i++) {
mbed_official 146:f64d43ff0c18 45 vectors[i] = old_vectors[i];
mbed_official 146:f64d43ff0c18 46 }
mbed_official 146:f64d43ff0c18 47 SCB->VTOR = (uint32_t)NVIC_RAM_VECTOR_ADDRESS;
mbed_official 146:f64d43ff0c18 48 }
mbed_official 146:f64d43ff0c18 49 vectors[IRQn + 16] = vector;
mbed_official 146:f64d43ff0c18 50 }
mbed_official 146:f64d43ff0c18 51
mbed_official 146:f64d43ff0c18 52 uint32_t NVIC_GetVector(IRQn_Type IRQn) {
mbed_official 146:f64d43ff0c18 53 uint32_t *vectors = (uint32_t*)SCB->VTOR;
mbed_official 146:f64d43ff0c18 54 return vectors[IRQn + 16];
mbed_official 146:f64d43ff0c18 55 }