/**
******************************************************************************
* @file stm32f4xx_it.c
* @brief Interrupt Service Routines.
******************************************************************************
*
* COPYRIGHT(c) 2015 STMicroelectronics
*
* 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.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
#include "stm32f4xx.h"
#include "stm32f4xx_it.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/* External variables --------------------------------------------------------*/
/******************************************************************************/
/* Cortex-M4 Processor Interruption and Exception Handlers */
/******************************************************************************/
/**
* @brief This function handles System tick timer.
*/
void SysTick_Handler(void)
{
/* USER CODE BEGIN SysTick_IRQn 0 */
/* USER CODE END SysTick_IRQn 0 */
HAL_IncTick();
HAL_SYSTICK_IRQHandler();
/* USER CODE BEGIN SysTick_IRQn 1 */
/* USER CODE END SysTick_IRQn 1 */
}
/******************************************************************************/
/* STM32F4xx Peripheral Interrupt Handlers */
/* Add here the Interrupt Handlers for the used peripherals. */
/* For the available peripheral interrupt handler names, */
/* please refer to the startup file (startup_stm32f4xx.s). */
/******************************************************************************/
/* USER CODE BEGIN 1 */
void hard_fault_handler_c (unsigned int * hardfault_args)
{
volatile unsigned int stacked_r0;
volatile unsigned int stacked_r1;
volatile unsigned int stacked_r2;
volatile unsigned int stacked_r3;
volatile unsigned int stacked_r12;
volatile unsigned int stacked_lr;
volatile unsigned int stacked_pc;
volatile unsigned int stacked_psr;
stacked_r0 = hardfault_args[0];
stacked_r1 = hardfault_args[1];
stacked_r2 = hardfault_args[2];
stacked_r3 = hardfault_args[3];
stacked_r12 = hardfault_args[4];
stacked_lr = hardfault_args[5];
stacked_pc = hardfault_args[6];
stacked_psr = hardfault_args[7];
printf ("\n[Hard fault handler]\n");
printf ("R0 = %08x\n", stacked_r0);
printf ("R1 = %08x\n", stacked_r1);
printf ("R2 = %08x\n", stacked_r2);
printf ("R3 = %08x\n", stacked_r3);
printf ("R12 = %08x\n", stacked_r12);
printf ("LR [R14] = %08x subroutine call return address\n", stacked_lr);
printf ("PC [R15] = %08x program counter\n", stacked_pc);
printf ("PSR = %08x\n", stacked_psr);
printf ("BFAR = %08x\n", (*((volatile unsigned int *)(0xE000ED38))));
printf ("CFSR = %08x\n", (*((volatile unsigned int *)(0xE000ED28))));
printf ("HFSR = %08x\n", (*((volatile unsigned int *)(0xE000ED2C))));
printf ("DFSR = %08x\n", (*((volatile unsigned int *)(0xE000ED30))));
printf ("AFSR = %08x\n", (*((volatile unsigned int *)(0xE000ED3C))));
while (1);
}
void HardFault_Handler(void) __attribute__( ( naked ) );
void HardFault_Handler(void)
{
__asm volatile (
" tst lr, #4 \n"
" ite eq \n"
" mrseq r0, msp \n"
" mrsne r0, psp \n"
" b hard_fault_handler_c \n"
" ldr r1, [r0, #24] \n"
" ldr r2, handler2_address_const \n"
" bx r2 \n"
" handler2_address_const: .word hard_fault_handler_c \n"
);
}
/* USER CODE END 1 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
