You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
118 lines
4.0 KiB
118 lines
4.0 KiB
/**
|
|
******************************************************************************
|
|
* @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.
|
|
*
|
|
******************************************************************************
|
|
*
|
|
* Modifications by Robert Fisk
|
|
*/
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "stm32f4xx_hal.h"
|
|
#include "stm32f4xx.h"
|
|
#include "interrupts.h"
|
|
#include "led.h"
|
|
#include "board_config.h"
|
|
|
|
|
|
/* External variables --------------------------------------------------------*/
|
|
extern HCD_HandleTypeDef hhcd_USB_OTG_FS;
|
|
extern DMA_HandleTypeDef hdma_spi1_rx;
|
|
extern DMA_HandleTypeDef hdma_spi1_tx;
|
|
|
|
extern volatile uint8_t UsbInterruptHasHappened;
|
|
|
|
uint8_t BusFaultAllowed = 0;
|
|
|
|
|
|
/******************************************************************************/
|
|
/* Cortex-M4 Processor Interruption and Exception Handlers */
|
|
/******************************************************************************/
|
|
|
|
/**
|
|
* @brief This function handles System tick timer.
|
|
*/
|
|
void SysTick_Handler(void)
|
|
{
|
|
HAL_IncTick();
|
|
LED_Tick();
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* 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). */
|
|
/******************************************************************************/
|
|
|
|
|
|
|
|
void DMA2_Stream2_IRQHandler(void)
|
|
{
|
|
HAL_DMA_IRQHandler(&hdma_spi1_rx);
|
|
}
|
|
|
|
void DMA2_Stream3_IRQHandler(void)
|
|
{
|
|
HAL_DMA_IRQHandler(&hdma_spi1_tx);
|
|
}
|
|
|
|
void OTG_FS_IRQHandler(void)
|
|
{
|
|
HAL_HCD_IRQHandler(&hhcd_USB_OTG_FS);
|
|
UsbInterruptHasHappened = 1;
|
|
}
|
|
|
|
|
|
//This weird stuff is required when disabling flash writes.
|
|
//The deliberate flash lockout will cause a bus fault that we need to process.
|
|
void EnableOneBusFault(void)
|
|
{
|
|
//It should not be enabled already!
|
|
if (BusFaultAllowed)
|
|
{
|
|
while (1);
|
|
}
|
|
SCB->SHCSR = SCB_SHCSR_BUSFAULTENA_Msk;
|
|
BusFaultAllowed = 1;
|
|
}
|
|
|
|
void BusFault_Handler(void)
|
|
{
|
|
if (BusFaultAllowed)
|
|
{
|
|
BusFaultAllowed = 0;
|
|
return;
|
|
}
|
|
while (1);
|
|
}
|
|
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|