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/**
******************************************************************************
* @file USB_Device/HID_Standalone/Src/stm32f4xx_it.c
* @author MCD Application Team
* @brief Main Interrupt Service Routines.
* This file provides template for all exceptions handler and
* peripherals interrupt service routine.
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_it.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define CURSOR_STEP 5
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
uint8_t HID_Buffer[4];
extern PCD_HandleTypeDef hpcd;
extern USBD_HandleTypeDef USBD_Device;
extern __IO uint8_t JoyButtonInitialized;
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
static void GetPointerData(uint8_t *pbuf);
/******************************************************************************/
/* Cortex-M4 Processor Exceptions Handlers */
/******************************************************************************/
/**
* @brief This function handles NMI exception.
* @param None
* @retval None
*/
void NMI_Handler(void)
{
}
/**
* @brief This function handles Hard Fault exception.
* @param None
* @retval None
*/
void HardFault_Handler(void)
{
/* Go to infinite loop when Hard Fault exception occurs */
while (1)
{
}
}
/**
* @brief This function handles Memory Manage exception.
* @param None
* @retval None
*/
void MemManage_Handler(void)
{
/* Go to infinite loop when Memory Manage exception occurs */
while (1)
{
}
}
/**
* @brief This function handles Bus Fault exception.
* @param None
* @retval None
*/
void BusFault_Handler(void)
{
/* Go to infinite loop when Bus Fault exception occurs */
while (1)
{
}
}
/**
* @brief This function handles Usage Fault exception.
* @param None
* @retval None
*/
void UsageFault_Handler(void)
{
/* Go to infinite loop when Usage Fault exception occurs */
while (1)
{
}
}
/**
* @brief This function handles SVCall exception.
* @param None
* @retval None
*/
void SVC_Handler(void)
{
}
/**
* @brief This function handles Debug Monitor exception.
* @param None
* @retval None
*/
void DebugMon_Handler(void)
{
}
/**
* @brief This function handles PendSVC exception.
* @param None
* @retval None
*/
void PendSV_Handler(void)
{
}
/**
* @brief This function handles SysTick Handler.
* @param None
* @retval None
*/
void SysTick_Handler(void)
{
static __IO uint32_t counter=0;
HAL_IncTick();
/* check Joystick state every polling interval (10ms) */
if (counter++ == USBD_HID_GetPollingInterval(&USBD_Device))
{
GetPointerData(HID_Buffer);
/* send data though IN endpoint*/
if((HID_Buffer[1] != 0) || (HID_Buffer[2] != 0))
{
USBD_HID_SendReport(&USBD_Device, HID_Buffer, 4);
}
counter =0;
}
}
/******************************************************************************/
/* STM32F4xx Peripherals Interrupt Handlers */
/* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */
/* available peripheral interrupt handler's name please refer to the startup */
/* file (startup_stm32f4xx.s). */
/******************************************************************************/
/**
* @brief This function handles USB-On-The-Go FS/HS global interrupt request.
* @param None
* @retval None
*/
#ifdef USE_USB_FS
void OTG_FS_IRQHandler(void)
#else
void OTG_HS_IRQHandler(void)
#endif
{
HAL_PCD_IRQHandler(&hpcd);
}
/**
* @brief This function handles USB OTG FS/HS Wakeup IRQ Handler.
* @param None
* @retval None
*/
#ifdef USE_USB_FS
void OTG_FS_WKUP_IRQHandler(void)
#else
void OTG_HS_WKUP_IRQHandler(void)
#endif
{
if((&hpcd)->Init.low_power_enable)
{
/* Reset SLEEPDEEP bit of Cortex System Control Register */
SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
/* Configures system clock after wake-up from STOP: enable HSE, PLL and select
PLL as system clock source (HSE and PLL are disabled in STOP mode) */
SystemClock_Config();
/* ungate PHY clock */
__HAL_PCD_UNGATE_PHYCLOCK((&hpcd));
}
#ifdef USE_USB_FS
/* Clear EXTI pending Bit*/
__HAL_USB_OTG_FS_WAKEUP_EXTI_CLEAR_FLAG();
#else
/* Clear EXTI pending Bit*/
__HAL_USB_OTG_HS_WAKEUP_EXTI_CLEAR_FLAG();
#endif
}
/**
* @brief This function handles External lines 15 to 10 interrupt request.
* @param None
* @retval None
*/
void EXTI15_10_IRQHandler(void)
{
HAL_GPIO_EXTI_IRQHandler(KEY_BUTTON_PIN);
}
/**
* @brief Gets Pointer Data.
* @param pbuf: Pointer to report
* @retval None
*/
static void GetPointerData(uint8_t *pbuf)
{
int8_t x = 0, y = 0 ;
if(JoyButtonInitialized == 1)
{
switch(BSP_JOY_GetState())
{
case JOY_LEFT:
x -= CURSOR_STEP;
break;
case JOY_RIGHT:
x += CURSOR_STEP;
break;
case JOY_UP:
y -= CURSOR_STEP;
break;
case JOY_DOWN:
y += CURSOR_STEP;
break;
default:
break;
}
}
pbuf[0] = 0;
pbuf[1] = x;
pbuf[2] = y;
pbuf[3] = 0;
}