Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_Maxim/TARGET_MAX32600/cmsis_nvic.c@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /*******************************************************************************
bogdanm 0:9b334a45a8ff 2 * Copyright (C) 2015 Maxim Integrated Products, Inc., All Rights Reserved.
bogdanm 0:9b334a45a8ff 3 *
bogdanm 0:9b334a45a8ff 4 * Permission is hereby granted, free of charge, to any person obtaining a
bogdanm 0:9b334a45a8ff 5 * copy of this software and associated documentation files (the "Software"),
bogdanm 0:9b334a45a8ff 6 * to deal in the Software without restriction, including without limitation
bogdanm 0:9b334a45a8ff 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
bogdanm 0:9b334a45a8ff 8 * and/or sell copies of the Software, and to permit persons to whom the
bogdanm 0:9b334a45a8ff 9 * Software is furnished to do so, subject to the following conditions:
bogdanm 0:9b334a45a8ff 10 *
bogdanm 0:9b334a45a8ff 11 * The above copyright notice and this permission notice shall be included
bogdanm 0:9b334a45a8ff 12 * in all copies or substantial portions of the Software.
bogdanm 0:9b334a45a8ff 13 *
bogdanm 0:9b334a45a8ff 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
bogdanm 0:9b334a45a8ff 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
bogdanm 0:9b334a45a8ff 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
bogdanm 0:9b334a45a8ff 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
bogdanm 0:9b334a45a8ff 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
bogdanm 0:9b334a45a8ff 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
bogdanm 0:9b334a45a8ff 20 * OTHER DEALINGS IN THE SOFTWARE.
bogdanm 0:9b334a45a8ff 21 *
bogdanm 0:9b334a45a8ff 22 * Except as contained in this notice, the name of Maxim Integrated
bogdanm 0:9b334a45a8ff 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
bogdanm 0:9b334a45a8ff 24 * Products, Inc. Branding Policy.
bogdanm 0:9b334a45a8ff 25 *
bogdanm 0:9b334a45a8ff 26 * The mere transfer of this software does not imply any licenses
bogdanm 0:9b334a45a8ff 27 * of trade secrets, proprietary technology, copyrights, patents,
bogdanm 0:9b334a45a8ff 28 * trademarks, maskwork rights, or any other form of intellectual
bogdanm 0:9b334a45a8ff 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
bogdanm 0:9b334a45a8ff 30 * ownership rights.
bogdanm 0:9b334a45a8ff 31 *******************************************************************************
bogdanm 0:9b334a45a8ff 32 */
bogdanm 0:9b334a45a8ff 33
bogdanm 0:9b334a45a8ff 34 #include "cmsis_nvic.h"
bogdanm 0:9b334a45a8ff 35
bogdanm 0:9b334a45a8ff 36 #if defined(TOOLCHAIN_GCC_ARM) || defined(TOOLCHAIN_ARM_STD)
bogdanm 0:9b334a45a8ff 37 __attribute__((aligned(256)))
bogdanm 0:9b334a45a8ff 38 #endif
bogdanm 0:9b334a45a8ff 39 #if defined(TOOLCHAIN_IAR)
bogdanm 0:9b334a45a8ff 40 #pragma data_alignment=256
bogdanm 0:9b334a45a8ff 41 #endif
bogdanm 0:9b334a45a8ff 42 static void (*ramVectorTable[MXC_IRQ_COUNT])(void);
bogdanm 0:9b334a45a8ff 43
bogdanm 0:9b334a45a8ff 44 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector)
bogdanm 0:9b334a45a8ff 45 {
bogdanm 0:9b334a45a8ff 46 uint32_t *vectors = (uint32_t*)SCB->VTOR;
bogdanm 0:9b334a45a8ff 47 uint32_t i;
bogdanm 0:9b334a45a8ff 48
bogdanm 0:9b334a45a8ff 49 // Copy and switch to dynamic vectors if the first time called
bogdanm 0:9b334a45a8ff 50 if (SCB->VTOR != (uint32_t)ramVectorTable) {
bogdanm 0:9b334a45a8ff 51 uint32_t *old_vectors = (uint32_t*)SCB->VTOR;
bogdanm 0:9b334a45a8ff 52 vectors = (uint32_t*)ramVectorTable;
bogdanm 0:9b334a45a8ff 53 for (i = 0; i < NVIC_NUM_VECTORS; i++) {
bogdanm 0:9b334a45a8ff 54 vectors[i] = old_vectors[i];
bogdanm 0:9b334a45a8ff 55 }
bogdanm 0:9b334a45a8ff 56 SCB->VTOR = (uint32_t)ramVectorTable;
bogdanm 0:9b334a45a8ff 57 }
bogdanm 0:9b334a45a8ff 58 vectors[IRQn + NVIC_USER_IRQ_OFFSET] = vector;
bogdanm 0:9b334a45a8ff 59 }
bogdanm 0:9b334a45a8ff 60
bogdanm 0:9b334a45a8ff 61 uint32_t NVIC_GetVector(IRQn_Type IRQn)
bogdanm 0:9b334a45a8ff 62 {
bogdanm 0:9b334a45a8ff 63 uint32_t *vectors = (uint32_t*)SCB->VTOR;
bogdanm 0:9b334a45a8ff 64 return vectors[IRQn + NVIC_USER_IRQ_OFFSET];
bogdanm 0:9b334a45a8ff 65 }