Mouse code for the MacroRat
mbed-dev/targets/TARGET_ARM_SSG/TARGET_MPS2/TARGET_MPS2_M0/device/cmsis_nvic.c
- Committer:
- sahilmgandhi
- Date:
- 2017-05-14
- Revision:
- 18:6a4db94011d3
File content as of revision 18:6a4db94011d3:
/* MPS2 CMSIS Library * * Copyright (c) 2006-2016 ARM Limited * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors * may be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. ******************************************************************************* * CMSIS-style functionality to support dynamic vectors *******************************************************************************/ #include "cmsis_nvic.h" #define NVIC_RAM_VECTOR_ADDRESS (0x20000000) // Location of vectors in RAM #define NVIC_FLASH_VECTOR_ADDRESS (0x00000000) // Initial vector position in flash void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) { // int i; // Space for dynamic vectors, initialised to allocate in R/W static volatile uint32_t* vectors = (uint32_t*)NVIC_FLASH_VECTOR_ADDRESS; // Set the vector vectors[IRQn + 16] = vector; } uint32_t NVIC_GetVector(IRQn_Type IRQn) { // We can always read vectors at 0x0, as the addresses are remapped uint32_t *vectors = (uint32_t*)NVIC_FLASH_VECTOR_ADDRESS; // Return the vector return vectors[IRQn + 16]; }