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/**
******************************************************************************
* @file stm32f4xx_it.c
* @date 03/02/2015 20:27:00
* @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 "interrupts.h"
#include "upstream_spi.h"
#include "stm32f4xx_hal.h"
#include "board_config.h"
#include "build_config.h"
#include "led.h"
#include "upstream_hid_botdetect.h"
#include "upstream_statemachine.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/* External variables --------------------------------------------------------*/
extern PCD_HandleTypeDef hpcd_USB_OTG_FS;
extern DMA_HandleTypeDef spiTxDmaHandle;
extern DMA_HandleTypeDef spiRxDmaHandle;
uint8_t BusFaultAllowed = 0;
/******************************************************************************/
/* Cortex-M4 Processor Interruption and Exception Handlers */
/******************************************************************************/
void SysTick_Handler(void)
{
HAL_IncTick();
LED_Tick();
Upstream_StateMachine_PollDeviceConnected();
#if (defined (CONFIG_KEYBOARD_ENABLED) && defined (CONFIG_KEYBOARD_BOT_DETECT_ENABLED)) || \
(defined (CONFIG_MOUSE_ENABLED) && defined (CONFIG_MOUSE_BOT_DETECT_ENABLED))
Upstream_HID_BotDetect_Systick();
#endif
}
/////////////////////////
//All interrupts in this section must be at the same priority.
//They interact with each other, and calls are not thread-safe
//when different interrupt priorities are used.
/////////////////////////
void OTG_FS_IRQHandler(void)
{
HAL_PCD_IRQHandler(&hpcd_USB_OTG_FS);
}
void DMA2_Stream2_IRQHandler(void)
{
HAL_DMA_IRQHandler(&spiRxDmaHandle);
}
void DMA2_Stream3_IRQHandler(void)
{
HAL_DMA_IRQHandler(&spiTxDmaHandle);
}
void EXTI3_IRQHandler(void)
{
__HAL_GPIO_EXTI_CLEAR_IT(DOWNSTREAM_TX_OK_PIN);
Upstream_TxOkInterrupt();
}
/////////////////////////
/////////////////////////
//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****/