mirror of https://github.com/ARMmbed/mbed-os.git
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/* 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];
|
|
}
|