mbed library sources. Supersedes mbed-src.
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Diff: targets/cmsis/TARGET_NUVOTON/TARGET_NUC472/cmsis_nvic.c
- Revision:
- 144:ef7eb2e8f9f7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_NUVOTON/TARGET_NUC472/cmsis_nvic.c Fri Sep 02 15:07:44 2016 +0100 @@ -0,0 +1,39 @@ +/* mbed Microcontroller Library + * Copyright (c) 2015-2016 Nuvoton + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "cmsis_nvic.h" + +void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) +{ + uint32_t *vectors = (uint32_t *) SCB->VTOR; + uint32_t i; + + /* Copy and switch to dynamic vectors if the first time called */ + if (SCB->VTOR != NVIC_RAM_VECTOR_ADDRESS) { + uint32_t *old_vectors = (uint32_t *) NVIC_FLASH_VECTOR_ADDRESS; + vectors = (uint32_t *) NVIC_RAM_VECTOR_ADDRESS; + for (i = 0; i < NVIC_NUM_VECTORS; i++) { + vectors[i] = old_vectors[i]; + } + SCB->VTOR = (uint32_t) NVIC_RAM_VECTOR_ADDRESS; + } + vectors[IRQn + NVIC_USER_IRQ_OFFSET] = vector; +} + +uint32_t NVIC_GetVector(IRQn_Type IRQn) +{ + uint32_t *vectors = (uint32_t *) SCB->VTOR; + return vectors[IRQn + NVIC_USER_IRQ_OFFSET]; +}