mbed-os/targets/TARGET_NUVOTON/TARGET_NANO100/device/cmsis_nvic.c

36 lines
1.2 KiB
C

/* mbed Microcontroller Library
* Copyright (c) 2015-2017 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"
#include "platform/mbed_error.h"
void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector)
{
// NOTE: On NANO130, relocating vector table is not supported due to just 16KB small SRAM.
// Add guard code to prevent from unsupported relocating.
uint32_t vector_static = NVIC_GetVector(IRQn);
if (vector_static != vector) {
error("No support for relocating vector table");
}
}
uint32_t NVIC_GetVector(IRQn_Type IRQn)
{
uint32_t *vectors = (uint32_t*) NVIC_FLASH_VECTOR_ADDRESS;
// Return the vector
return vectors[IRQn + 16];
}