mbed library sources
Dependents: STM32F103C8T6-RangoTec STM32-103C8_Plantilla_USB
targets/cmsis/TARGET_Freescale/TARGET_MCU_K64F/cmsis_nvic.c@441:8a0b45cd594f, 2014-12-16 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Dec 16 08:15:08 2014 +0000
- Revision:
- 441:8a0b45cd594f
- Parent:
- 359:9d7ef901f004
Synchronized with git revision 67fbbf0b635d0c0d93fbe433306c537c2ad206aa
Full URL: https://github.com/mbedmicro/mbed/commit/67fbbf0b635d0c0d93fbe433306c537c2ad206aa/
Targets: nrf51 - updating app_timer.c from Norid'c SDKv7.1.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 359:9d7ef901f004 | 1 | /* mbed Microcontroller Library |
mbed_official | 359:9d7ef901f004 | 2 | * CMSIS-style functionality to support dynamic vectors |
mbed_official | 359:9d7ef901f004 | 3 | ******************************************************************************* |
mbed_official | 146:f64d43ff0c18 | 4 | * Copyright (c) 2011 ARM Limited. All rights reserved. |
mbed_official | 359:9d7ef901f004 | 5 | * All rights reserved. |
mbed_official | 146:f64d43ff0c18 | 6 | * |
mbed_official | 359:9d7ef901f004 | 7 | * Redistribution and use in source and binary forms, with or without |
mbed_official | 359:9d7ef901f004 | 8 | * modification, are permitted provided that the following conditions are met: |
mbed_official | 359:9d7ef901f004 | 9 | * |
mbed_official | 359:9d7ef901f004 | 10 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 359:9d7ef901f004 | 11 | * this list of conditions and the following disclaimer. |
mbed_official | 359:9d7ef901f004 | 12 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 359:9d7ef901f004 | 13 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 359:9d7ef901f004 | 14 | * and/or other materials provided with the distribution. |
mbed_official | 359:9d7ef901f004 | 15 | * 3. Neither the name of ARM Limited nor the names of its contributors |
mbed_official | 359:9d7ef901f004 | 16 | * may be used to endorse or promote products derived from this software |
mbed_official | 359:9d7ef901f004 | 17 | * without specific prior written permission. |
mbed_official | 359:9d7ef901f004 | 18 | * |
mbed_official | 359:9d7ef901f004 | 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 359:9d7ef901f004 | 20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 359:9d7ef901f004 | 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 359:9d7ef901f004 | 22 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 359:9d7ef901f004 | 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 359:9d7ef901f004 | 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 359:9d7ef901f004 | 25 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 359:9d7ef901f004 | 26 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 359:9d7ef901f004 | 27 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 359:9d7ef901f004 | 28 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 359:9d7ef901f004 | 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 | } |