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249 lines
7.7 KiB
249 lines
7.7 KiB
/**
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******************************************************************************
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* @file stm32f1xx_it.c
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* @brief Interrupt Service Routines.
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******************************************************************************
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*
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* COPYRIGHT(c) 2016 STMicroelectronics
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f1xx_hal.h"
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#include "stm32f1xx.h"
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#include "stm32f1xx_it.h"
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/* USER CODE BEGIN 0 */
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#include "utils/debug.h"
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/**
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* Hard Fault diagnosis function (for use with debugger)
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*
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* Source:
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* http://www.freertos.org/Debugging-Hard-Faults-On-Cortex-M-Microcontrollers.html
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*/
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static void __attribute__((noreturn)) __attribute__((used))
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prvGetRegistersFromStack(uint32_t *pulFaultStackAddress)
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{
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/* These are volatile to try and prevent the compiler/linker optimising them
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away as the variables never actually get used. If the debugger won't show the
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values of the variables, make them global my moving their declaration outside
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of this function. */
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volatile __attribute__((unused)) uint32_t r0;
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volatile __attribute__((unused)) uint32_t r1;
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volatile __attribute__((unused)) uint32_t r2;
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volatile __attribute__((unused)) uint32_t r3;
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volatile __attribute__((unused)) uint32_t r12;
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volatile __attribute__((unused)) uint32_t lr; /* Link register. */
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volatile __attribute__((unused)) uint32_t pc; /* Program counter. */
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volatile __attribute__((unused)) uint32_t psr;/* Program status register. */
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r0 = pulFaultStackAddress[ 0 ];
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r1 = pulFaultStackAddress[ 1 ];
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r2 = pulFaultStackAddress[ 2 ];
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r3 = pulFaultStackAddress[ 3 ];
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r12 = pulFaultStackAddress[ 4 ];
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lr = pulFaultStackAddress[ 5 ];
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pc = pulFaultStackAddress[ 6 ];
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psr = pulFaultStackAddress[ 7 ];
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error("Hard fault.");
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dbg("r0 = 0x%08"PRIu32, r0);
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dbg("r1 = 0x%08"PRIu32, r1);
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dbg("r2 = 0x%08"PRIu32, r2);
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dbg("r3 = 0x%08"PRIu32, r3);
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dbg("r12 = 0x%08"PRIu32, r12);
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dbg("LR = 0x%08"PRIu32, lr);
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dbg("PC = 0x%08"PRIu32, pc);
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dbg("PSR = 0x%08"PRIu32, psr);
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/* When the following line is hit, the variables contain the register values. */
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for (;;);
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}
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/* USER CODE END 0 */
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/* External variables --------------------------------------------------------*/
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/******************************************************************************/
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/* Cortex-M3 Processor Interruption and Exception Handlers */
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/******************************************************************************/
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/**
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* @brief This function handles Non maskable interrupt.
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*/
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void NMI_Handler(void)
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{
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/* USER CODE BEGIN NonMaskableInt_IRQn 0 */
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/* USER CODE END NonMaskableInt_IRQn 0 */
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/* USER CODE BEGIN NonMaskableInt_IRQn 1 */
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/* USER CODE END NonMaskableInt_IRQn 1 */
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}
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/**
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* @brief This function handles Hard fault interrupt.
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*/
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void HardFault_Handler(void)
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{
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/* USER CODE BEGIN HardFault_IRQn 0 */
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// Branch to HF reporting routine
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__asm volatile (
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" tst lr, #4 \n"
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" ite eq \n"
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" mrseq r0, msp \n"
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" mrsne r0, psp \n"
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" ldr r1, [r0, #24] \n"
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" ldr r2, =prvGetRegistersFromStack \n"
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" bx r2 \n"
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);
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// NOTE: Dead code follows
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/* USER CODE END HardFault_IRQn 0 */
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while (1)
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{
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}
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/* USER CODE BEGIN HardFault_IRQn 1 */
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/* USER CODE END HardFault_IRQn 1 */
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}
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/**
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* @brief This function handles Memory management fault.
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*/
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void MemManage_Handler(void)
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{
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/* USER CODE BEGIN MemoryManagement_IRQn 0 */
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error("Memory management fault.");
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/* USER CODE END MemoryManagement_IRQn 0 */
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while (1)
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{
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}
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/* USER CODE BEGIN MemoryManagement_IRQn 1 */
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/* USER CODE END MemoryManagement_IRQn 1 */
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}
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/**
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* @brief This function handles Prefetch fault, memory access fault.
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*/
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void BusFault_Handler(void)
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{
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/* USER CODE BEGIN BusFault_IRQn 0 */
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error("Prefetch fault.");
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/* USER CODE END BusFault_IRQn 0 */
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while (1)
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{
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}
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/* USER CODE BEGIN BusFault_IRQn 1 */
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/* USER CODE END BusFault_IRQn 1 */
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}
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/**
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* @brief This function handles Undefined instruction or illegal state.
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*/
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void UsageFault_Handler(void)
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{
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/* USER CODE BEGIN UsageFault_IRQn 0 */
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error("Usage fault.");
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/* USER CODE END UsageFault_IRQn 0 */
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while (1)
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{
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}
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/* USER CODE BEGIN UsageFault_IRQn 1 */
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/* USER CODE END UsageFault_IRQn 1 */
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}
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/**
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* @brief This function handles System service call via SWI instruction.
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*/
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void SVC_Handler(void)
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{
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/* USER CODE BEGIN SVCall_IRQn 0 */
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/* USER CODE END SVCall_IRQn 0 */
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/* USER CODE BEGIN SVCall_IRQn 1 */
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/* USER CODE END SVCall_IRQn 1 */
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}
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/**
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* @brief This function handles Debug monitor.
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*/
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void DebugMon_Handler(void)
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{
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/* USER CODE BEGIN DebugMonitor_IRQn 0 */
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/* USER CODE END DebugMonitor_IRQn 0 */
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/* USER CODE BEGIN DebugMonitor_IRQn 1 */
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/* USER CODE END DebugMonitor_IRQn 1 */
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}
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/**
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* @brief This function handles Pendable request for system service.
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*/
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void PendSV_Handler(void)
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{
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/* USER CODE BEGIN PendSV_IRQn 0 */
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/* USER CODE END PendSV_IRQn 0 */
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/* USER CODE BEGIN PendSV_IRQn 1 */
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/* USER CODE END PendSV_IRQn 1 */
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}
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/**
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* @brief This function handles System tick timer.
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*/
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void SysTick_Handler(void)
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{
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/* USER CODE BEGIN SysTick_IRQn 0 */
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/* USER CODE END SysTick_IRQn 0 */
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HAL_IncTick();
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HAL_SYSTICK_IRQHandler();
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/* USER CODE BEGIN SysTick_IRQn 1 */
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/* USER CODE END SysTick_IRQn 1 */
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}
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/******************************************************************************/
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/* STM32F1xx Peripheral Interrupt Handlers */
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/* Add here the Interrupt Handlers for the used peripherals. */
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/* For the available peripheral interrupt handler names, */
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/* please refer to the startup file (startup_stm32f1xx.s). */
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/******************************************************************************/
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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