mbed library sources
Fork of mbed-src by
targets/cmsis/TARGET_WIZNET/TARGET_W7500x/cmsis_nvic.c@636:b0d178e9fa10, 2016-07-07 (annotated)
- Committer:
- lzbpli
- Date:
- Thu Jul 07 06:48:59 2016 +0000
- Revision:
- 636:b0d178e9fa10
- Parent:
- 619:034e698bc035
l053
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 558:0880f51c4036 | 1 | /* mbed Microcontroller Library |
mbed_official | 558:0880f51c4036 | 2 | * CMSIS-style functionality to support dynamic vectors |
mbed_official | 558:0880f51c4036 | 3 | ******************************************************************************* |
mbed_official | 558:0880f51c4036 | 4 | * Copyright (c) 2014, STMicroelectronics |
mbed_official | 558:0880f51c4036 | 5 | * All rights reserved. |
mbed_official | 558:0880f51c4036 | 6 | * |
mbed_official | 558:0880f51c4036 | 7 | * Redistribution and use in source and binary forms, with or without |
mbed_official | 558:0880f51c4036 | 8 | * modification, are permitted provided that the following conditions are met: |
mbed_official | 558:0880f51c4036 | 9 | * |
mbed_official | 558:0880f51c4036 | 10 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 558:0880f51c4036 | 11 | * this list of conditions and the following disclaimer. |
mbed_official | 558:0880f51c4036 | 12 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 558:0880f51c4036 | 13 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 558:0880f51c4036 | 14 | * and/or other materials provided with the distribution. |
mbed_official | 558:0880f51c4036 | 15 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 558:0880f51c4036 | 16 | * may be used to endorse or promote products derived from this software |
mbed_official | 558:0880f51c4036 | 17 | * without specific prior written permission. |
mbed_official | 558:0880f51c4036 | 18 | * |
mbed_official | 558:0880f51c4036 | 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 558:0880f51c4036 | 20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 558:0880f51c4036 | 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 558:0880f51c4036 | 22 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 558:0880f51c4036 | 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 558:0880f51c4036 | 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 558:0880f51c4036 | 25 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 558:0880f51c4036 | 26 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 558:0880f51c4036 | 27 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 558:0880f51c4036 | 28 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 558:0880f51c4036 | 29 | ******************************************************************************* |
mbed_official | 558:0880f51c4036 | 30 | */ |
mbed_official | 558:0880f51c4036 | 31 | #include "cmsis_nvic.h" |
mbed_official | 558:0880f51c4036 | 32 | |
mbed_official | 558:0880f51c4036 | 33 | #define NVIC_RAM_VECTOR_ADDRESS (0x20000000) // Vectors positioned at start of RAM |
mbed_official | 558:0880f51c4036 | 34 | #define NVIC_FLASH_VECTOR_ADDRESS (0x00000000) // Initial vector position in flash |
mbed_official | 558:0880f51c4036 | 35 | |
mbed_official | 558:0880f51c4036 | 36 | |
mbed_official | 558:0880f51c4036 | 37 | void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) { |
mbed_official | 558:0880f51c4036 | 38 | static volatile uint32_t *vectors = (uint32_t *)NVIC_RAM_VECTOR_ADDRESS; |
mbed_official | 558:0880f51c4036 | 39 | |
mbed_official | 558:0880f51c4036 | 40 | vectors[IRQn + 16] = vector; |
mbed_official | 558:0880f51c4036 | 41 | } |
mbed_official | 558:0880f51c4036 | 42 | |
mbed_official | 558:0880f51c4036 | 43 | uint32_t NVIC_GetVector(IRQn_Type IRQn) { |
mbed_official | 558:0880f51c4036 | 44 | uint32_t *vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS; |
mbed_official | 558:0880f51c4036 | 45 | // Return the vector |
mbed_official | 558:0880f51c4036 | 46 | return vectors[IRQn + 16]; |
mbed_official | 558:0880f51c4036 | 47 | } |