ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

cmsis5\rtx5 put NVIC vector ops in mbed_boot.c

pull/4438/head
Yuguo Zou 2017-05-22 13:56:02 +08:00 committed by Martin Kojtal
parent e8fd5bbdf4
commit 005ce58f44
2 changed files with 5 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
targets/TARGET_Realtek/TARGET_AMEBA/TARGET_RTL8195A/device/cmsis_nvic.c
View File

@ -1,44 +0,0 @@
/* mbed Microcontroller Library
* CMSIS-style functionality to support dynamic vectors
******************************************************************************
* Copyright (c) 2013-2016 Realtek Semiconductor Corp.
*
* 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"
#define NVIC_RAM_VECTOR_ADDRESS (0x10000000) // Vectors positioned at start of RAM
#define NVIC_ROM_VECTOR_ADDRESS (0x00000000) // Initial vector position at start of ROM
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 = vectors;
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];
}

16
targets/TARGET_Realtek/TARGET_AMEBA/TARGET_RTL8195A/device/cmsis_nvic.h
View File

@ -20,23 +20,17 @@
#ifndef MBED_CMSIS_NVIC_H
#define MBED_CMSIS_NVIC_H
#define NVIC_RAM_VECTOR_ADDRESS (0x10000000) // Vectors positioned at start of RAM
#define NVIC_ROM_VECTOR_ADDRESS (0x00000000) // Initial vector position at start of ROM
// CORE: 64 vectors = 64 bytes from 0x00 to 0x3F
// MCU Peripherals: 85 vectors = 340 bytes from 0x40 to ...
// Total: 128 vectors = 512 bytes (0x200) to be reserved in RAM
#define NVIC_NUM_VECTORS 128
#ifndef NVIC_USER_IRQ_OFFSET
#define NVIC_USER_IRQ_OFFSET 64
#endif
#include "cmsis.h"
#ifdef __cplusplus
extern "C" {
#endif
void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector);
uint32_t NVIC_GetVector(IRQn_Type IRQn);
#ifdef __cplusplus
}
#endif
#endif