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DISCO_L475VG_IOT01A: Update cmsis_nvic files

pull/4242/head
bcostm 2017-06-05 10:48:27 +02:00
parent f6a48838ad
commit af2078f38d
2 changed files with 3 additions and 72 deletions
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55
targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/device/cmsis_nvic.c
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@ -1,55 +0,0 @@
/* mbed Microcontroller Library
* CMSIS-style functionality to support dynamic vectors
*******************************************************************************
* Copyright (c) 2017, STMicroelectronics
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************
*/
#include "cmsis_nvic.h"
#define NVIC_RAM_VECTOR_ADDRESS (0x10000000) // Vectors positioned at start of SRAM2
#define NVIC_FLASH_VECTOR_ADDRESS (0x08000000) // Initial vector position in flash
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_FLASH_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];
}

20
targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L475xG/device/cmsis_nvic.h
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@ -1,5 +1,4 @@
/* mbed Microcontroller Library
* CMSIS-style functionality to support dynamic vectors
*******************************************************************************
* Copyright (c) 2017, STMicroelectronics
* All rights reserved.
@ -27,7 +26,7 @@
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************
*/
*/
#ifndef MBED_CMSIS_NVIC_H
#define MBED_CMSIS_NVIC_H
@ -35,20 +34,7 @@
// CORE: 16 vectors = 64 bytes from 0x00 to 0x3F
// MCU Peripherals: 82 vectors = 328 bytes from 0x40 to 0x187
// Total: 98 vectors = 392 bytes (0x188) to be reserved in RAM
#define NVIC_NUM_VECTORS 98
#define NVIC_USER_IRQ_OFFSET 16
#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
#define NVIC_NUM_VECTORS 98
#define NVIC_RAM_VECTOR_ADDRESS 0x10000000 // Vectors positioned at start of SRAM2
#endif