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Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_DISCO_F051R8/cmsis_nvic.c@43:e3d4af315dd8, 2016-01-04 (annotated)

Committer:: mbed_official
Date:: Mon Jan 04 12:15:11 2016 +0000
Revision:: 43:e3d4af315dd8
Parent:: 0:9b334a45a8ff
Child:: 144:ef7eb2e8f9f7

Synchronized with git revision a63257b05f089cc4258f15d451450cf2fd28af96



Full URL: https://github.com/mbedmicro/mbed/commit/a63257b05f089cc4258f15d451450cf2fd28af96/



[TARGET_STMF0] Fix #1419 baudrateissue

Who changed what in which revision?

User	Revision	Line number	New contents of line
bogdanm	0:9b334a45a8ff	1	/* mbed Microcontroller Library
bogdanm	0:9b334a45a8ff	2	* CMSIS-style functionality to support dynamic vectors
bogdanm	0:9b334a45a8ff	3	*******************************************************************************
bogdanm	0:9b334a45a8ff	4	* Copyright (c) 2015, STMicroelectronics
bogdanm	0:9b334a45a8ff	5	* All rights reserved.
bogdanm	0:9b334a45a8ff	6	*
bogdanm	0:9b334a45a8ff	7	* Redistribution and use in source and binary forms, with or without
bogdanm	0:9b334a45a8ff	8	* modification, are permitted provided that the following conditions are met:
bogdanm	0:9b334a45a8ff	9	*
bogdanm	0:9b334a45a8ff	10	* 1. Redistributions of source code must retain the above copyright notice,
bogdanm	0:9b334a45a8ff	11	* this list of conditions and the following disclaimer.
bogdanm	0:9b334a45a8ff	12	* 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm	0:9b334a45a8ff	13	* this list of conditions and the following disclaimer in the documentation
bogdanm	0:9b334a45a8ff	14	* and/or other materials provided with the distribution.
bogdanm	0:9b334a45a8ff	15	* 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm	0:9b334a45a8ff	16	* may be used to endorse or promote products derived from this software
bogdanm	0:9b334a45a8ff	17	* without specific prior written permission.
bogdanm	0:9b334a45a8ff	18	*
bogdanm	0:9b334a45a8ff	19	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm	0:9b334a45a8ff	20	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm	0:9b334a45a8ff	21	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm	0:9b334a45a8ff	22	* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm	0:9b334a45a8ff	23	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm	0:9b334a45a8ff	24	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm	0:9b334a45a8ff	25	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm	0:9b334a45a8ff	26	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm	0:9b334a45a8ff	27	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm	0:9b334a45a8ff	28	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm	0:9b334a45a8ff	29	*******************************************************************************
mbed_official	43:e3d4af315dd8	30	*/
bogdanm	0:9b334a45a8ff	31	#include "cmsis_nvic.h"
bogdanm	0:9b334a45a8ff	32
bogdanm	0:9b334a45a8ff	33	#define NVIC_RAM_VECTOR_ADDRESS (0x20000000) // Vectors positioned at start of RAM
bogdanm	0:9b334a45a8ff	34	#define NVIC_FLASH_VECTOR_ADDRESS (0x08000000) // Initial vector position in flash
bogdanm	0:9b334a45a8ff	35
bogdanm	0:9b334a45a8ff	36	void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
bogdanm	0:9b334a45a8ff	37	int i;
bogdanm	0:9b334a45a8ff	38
bogdanm	0:9b334a45a8ff	39	// Copy and switch to dynamic vectors if first time called
mbed_official	43:e3d4af315dd8	40	if ((SYSCFG->CFGR1 & SYSCFG_CFGR1_MEM_MODE) != SYSCFG_CFGR1_MEM_MODE) {
mbed_official	43:e3d4af315dd8	41	uint32_t old_vectors = (uint32_t )NVIC_FLASH_VECTOR_ADDRESS;
mbed_official	43:e3d4af315dd8	42	for (i = 0; i < NVIC_NUM_VECTORS; i++) {
mbed_official	43:e3d4af315dd8	43	((uint32_t )(NVIC_RAM_VECTOR_ADDRESS + (i*4))) = old_vectors[i];
mbed_official	43:e3d4af315dd8	44	}
mbed_official	43:e3d4af315dd8	45	SYSCFG->CFGR1 \|= SYSCFG_CFGR1_MEM_MODE; // Embedded SRAM mapped at 0x00000000
bogdanm	0:9b334a45a8ff	46	}
bogdanm	0:9b334a45a8ff	47
bogdanm	0:9b334a45a8ff	48	// Set the vector
mbed_official	43:e3d4af315dd8	49	((uint32_t )(NVIC_RAM_VECTOR_ADDRESS + (IRQn4) + (NVIC_USER_IRQ_OFFSET4))) = vector;
bogdanm	0:9b334a45a8ff	50	}
bogdanm	0:9b334a45a8ff	51
bogdanm	0:9b334a45a8ff	52	uint32_t NVIC_GetVector(IRQn_Type IRQn) {
bogdanm	0:9b334a45a8ff	53	uint32_t vectors = (uint32_t)NVIC_RAM_VECTOR_ADDRESS;
bogdanm	0:9b334a45a8ff	54	// Return the vector
bogdanm	0:9b334a45a8ff	55	return vectors[IRQn + 16];
bogdanm	0:9b334a45a8ff	56	}