C++ BSP_IO_ITClear函数代码示例

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本文整理汇总了C++中BSP_IO_ITClear函数的典型用法代码示例。如果您正苦于以下问题：C++ BSP_IO_ITClear函数的具体用法？C++ BSP_IO_ITClear怎么用？C++ BSP_IO_ITClear使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了BSP_IO_ITClear函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: HAL_GPIO_EXTI_Callback

/**
  * @brief  EXTI line detection callbacks.
  * @param  GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
  static JOYState_TypeDef JoyState = JOY_NONE;
  
  if(GPIO_Pin == GPIO_PIN_2)
  {    
    /* Get the Joystick State */
    JoyState = BSP_JOY_GetState();
    
    MSC_DEMO_ProbeKey(JoyState); 
    
    switch(JoyState)
    {
    case JOY_LEFT:
      LCD_LOG_ScrollBack();
      break;
           
    case JOY_RIGHT:
      LCD_LOG_ScrollForward();
      break;          
      
    default:
      break;           
    }
    /* Clear joystick interrupt pending bits */
    BSP_IO_ITClear(JOY_ALL_PINS);
  }
}

开发者ID:451506709，项目名称:automated_machine，代码行数:33，代码来源:menu.c

示例2: ethernetif_notify_conn_changed

/**
  * @brief  This function notify user about link status changement.
  * @param  netif: the network interface
  * @retval None
  */
void ethernetif_notify_conn_changed(struct netif *netif)
{
  struct ip_addr ipaddr;
  struct ip_addr netmask;
  struct ip_addr gw;
  
  if(netif_is_link_up(netif))
  {
    IP4_ADDR(&ipaddr, IP_ADDR0, IP_ADDR1, IP_ADDR2, IP_ADDR3);
    IP4_ADDR(&netmask, NETMASK_ADDR0, NETMASK_ADDR1 , NETMASK_ADDR2, NETMASK_ADDR3);
    IP4_ADDR(&gw, GW_ADDR0, GW_ADDR1, GW_ADDR2, GW_ADDR3);    
    
    netif_set_addr(netif, &ipaddr , &netmask, &gw);
    
    /* When the netif is fully configured this function must be called.*/
    netif_set_up(netif);      
    
    BSP_LED_Off(LED2);
    BSP_LED_On(LED1);    
  }
  else
  {    
    /*  When the netif link is down this function must be called.*/
    netif_set_down(netif);
    
    BSP_LED_Off(LED1);
    BSP_LED_On(LED2);   
  }
  
  /* Clear IO Expander Interrupt flag */
  BSP_IO_ITClear();
}

开发者ID:eemei，项目名称:library-stm32f4，代码行数:37，代码来源:app_ethernet.c

示例3: HAL_GPIO_EXTI_Callback

/**
  * @brief  EXTI line detection callbacks.
  * @param  GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{  
  __IO JOYState_TypeDef JoyState = JOY_NONE;
  
  if(GPIO_Pin == GPIO_PIN_8)
  {    
    /* Get the Joystick State */
    JoyState = BSP_JOY_GetState();
    
    HID_DEMO_ProbeKey(JoyState); 
    
    switch(JoyState)
    {
    case JOY_LEFT:
      LCD_LOG_ScrollBack();
      break;
           
    case JOY_RIGHT:
      LCD_LOG_ScrollForward();
      break;          
      
    default:
      break;           
    }
    /* Clear joystick interrupt pending bits */
    BSP_IO_ITClear();
    osSemaphoreRelease(MenuEvent);
  }
}

开发者ID:nidhiyanandh，项目名称:STM32Cube_FW_F4_V1.5.0_GCC_Makefile，代码行数:34，代码来源:menu.c

示例4: BSP_TS_ITClear

/**
  * @brief  Clears all touch screen interrupts.
  * @param  None
  * @retval None
  */  
void BSP_TS_ITClear(void)
{
  /* Clear all IO IT pin */
  BSP_IO_ITClear();
  
  /* Clear TS IT pending bits */
  TsDrv->ClearIT(TS_I2C_ADDRESS); 
}

开发者ID:Bosvark，项目名称:STM32Cube_FW_F4_V1.1.0，代码行数:13，代码来源:stm32f429i_discovery_ts.c

示例5: HAL_GPIO_EXTI_Callback

/**
  * @brief  EXTI line detection callbacks
  * @param  GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
  /* Get the IT status register value */
  if(BSP_IO_ITGetStatus(MII_INT_PIN))
  {
    ethernetif_set_link(&gnetif);
  }
  BSP_IO_ITClear();
}

开发者ID:eemei，项目名称:library-stm32f4，代码行数:14，代码来源:main.c

示例6: BSP_SD_DetectIT

/** @brief  SD detect IT treatment.
  * @param  None
  * @retval None
  */
void BSP_SD_DetectIT(void)
{
  /* Clear all pending bits */
  BSP_IO_ITClear();
  
  /* To re-enable IT */
  BSP_SD_ITConfig();
  
  /* SD detect IT callback */
  BSP_SD_DetectCallback();
}

开发者ID:ClintHaerinck，项目名称:STM32Cube_FW_F4，代码行数:15，代码来源:stm324x9i_eval_sd.c

示例7: HAL_GPIO_EXTI_Callback

/**
  * @brief  EXTI line detection callbacks
  * @param  GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
  if (GPIO_Pin == MFX_IRQOUT_PIN)
  {
    /* Get the IT status register value */
    if(BSP_IO_ITGetStatus(MII_INT_PIN))
    {
      /* ethernetif_notify_conn_changed(&gnetif);; */
    }
    BSP_IO_ITClear();
  }
}

开发者ID:pierreroth64，项目名称:STM32Cube_FW_F4，代码行数:17，代码来源:vnc_app.c

示例8: HAL_GPIO_EXTI_Callback

/**
  * @brief EXTI line detection callbacks
  * @param GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
    if (GPIO_Pin == MFX_IRQOUT_PIN)
    {
        /* Get the IT status register value */
        if(BSP_IO_ITGetStatus(MII_INT_PIN))
        {
            osSemaphoreRelease(Netif_LinkSemaphore);
        }
        BSP_IO_ITClear();
    }
}

开发者ID:RadMie，项目名称:STM32F7DiscoveryBase，代码行数:17，代码来源:main.c

示例9: HAL_GPIO_EXTI_Callback

/**
  * @brief  EXTI line detection callbacks.
  * @param  GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
  if(BSP_IO_ITGetStatus(JOY_SEL_PIN) != 0)
  {
    /* SEL is used to pause and resume the audio playback */
    if (PressCount == 1)
    {
      /* Resume playing Wave status */
      PauseResumeStatus = RESUME_STATUS;
      PressCount = 0;
    }
    else
    {
      /* Pause playing Wave status */
      PauseResumeStatus = PAUSE_STATUS;
      PressCount = 1;
    }
  }
  else if(BSP_IO_ITGetStatus(JOY_UP_PIN) != 0)
  {
    /* UP is used to increment the volume of the audio playback */
    volume ++;
    if (volume > 100)
    {
      volume = 100;
    }
    VolumeChange = 1;
  }
  else if(BSP_IO_ITGetStatus(JOY_DOWN_PIN) != 0)
  {
    /* DOWN is used to decrement the volume of the audio playback */
    volume --;
    if ((int8_t)volume < 50)
    {
      volume = 50;
    }
    VolumeChange = 1;
  }
  else if(BSP_IO_ITGetStatus(JOY_RIGHT_PIN) != 0)
  {
    /* Audio change output: speaker only */
    UserOutputMode = OUTPUT_DEVICE_SPEAKER;
  }
  else if(BSP_IO_ITGetStatus(JOY_LEFT_PIN) != 0)
  {
    /* Audio change output: headset only */
    UserOutputMode = OUTPUT_DEVICE_HEADPHONE;
  }

  /* Clear IO Expander IT */
  BSP_IO_ITClear(JOY_ALL_PINS);
}

开发者ID:Lembed，项目名称:STM32CubeF1-mirrors，代码行数:57，代码来源:main.c

示例10: Joystick_exti_demo

/**
  * @brief  Joystick Exti demo
  * @param  None
  * @retval None
  */
void Joystick_exti_demo (void)
{
  uint8_t status = 0;
  uint32_t ITstatus = 0;

  Joystick_SetHint(1);

  status = BSP_JOY_Init(JOY_MODE_EXTI);

  if (status != IO_OK)
  {
    BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
    BSP_LCD_SetTextColor(LCD_COLOR_RED);
    BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- 95, (uint8_t *)"ERROR", CENTER_MODE);
    BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- 80, (uint8_t *)"Joystick cannot be initialized", CENTER_MODE);
  }

  if (status == IO_OK)
  {
    Joystick_SetCursorPosition();
  }	

  while (1)  /* pull for USER button in GPIO mode */
  {
    if (status == IO_OK)
    {
      if (MfxExtiReceived == 1)
      {
        MfxExtiReceived = 0;
        ITstatus = BSP_IO_ITGetStatus(JOY_ALL_PINS);
        if (ITstatus)
        {
          /* Get the Joystick State */
          JoyState = BSP_JOY_GetState();
          Joystick_SetCursorPosition();
        }
        BSP_IO_ITClear();
        /* poll if joystick is still pressed until it is released*/
        while ( BSP_JOY_GetState() != JOY_NONE)
        {
          Joystick_SetCursorPosition();
          HAL_Delay(5);
        }
      }
    }
    if(CheckForUserInput() > 0)
    {
      return;
    }
    HAL_Delay(5);
  }
}

开发者ID:eemei，项目名称:library-stm32f4，代码行数:57，代码来源:joystick.c

示例11: main

/**
* @brief  Main program
* @param  None
* @retval None
*/
int main(void)
{    
  /* STM32F4xx HAL library initialization:
       - Configure the Flash prefetch, instruction and Data caches
       - Configure the Systick to generate an interrupt each 1 msec
       - Set NVIC Group Priority to 4
       - Global MSP (MCU Support Package) initialization
     */
  HAL_Init();  

  /* Configure the system clock to 180 MHz */
  SystemClock_Config();
  
  /* Configure LED1 and LED3 */
  BSP_LED_Init(LED1);
  BSP_LED_Init(LED3);

  /* Configure Key Button */
  BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_EXTI);
  
  /* Configure Joystick using MFX in IT mode in order to wakeup system after standby */
  BSP_JOY_Init(JOY_MODE_EXTI);

  /* RTC configuration */
  RTC_Config();
  
  /* Turn on LED1 */
  BSP_LED_On(LED1);

  /* Enable WKUP pin */
  HAL_PWR_EnableWakeUpPin(PWR_WAKEUP_PIN1);

  /* Infinite loop */
  while (1)
  {
    if (AuthorizeToggle)
    {
      /* Toggle LED1 */
      BSP_LED_Toggle(LED1);
      AuthorizeToggle = 0;
    }
    if (MfxExtiReceived)
    {
      /* Clear MFX IT */
      BSP_IO_ITClear();
      MfxExtiReceived = 0;
    }
  }
}

开发者ID:pierreroth64，项目名称:STM32Cube_FW_F4，代码行数:54，代码来源:main.c

示例12: HAL_GPIO_EXTI_Callback

/**
  * @brief  EXTI line detection callbacks.
  * @param  GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
  /* If the interruption comes from the Joystick, check which
     Joystick button has been pressed */
  JoyState = BSP_JOY_GetState();

  if(JoyState == JOY_SEL) 
  {
    /* SEL is used to pause and resume the audio playback */
    if (PressCount == 1)
    {
      /* Resume playing Wave status */
      PauseResumeStatus = RESUME_STATUS;
      PressCount = 0;
    }
    else
    {
      /* Pause playing Wave status */
      PauseResumeStatus = PAUSE_STATUS;
      PressCount = 1;
    }
  }
  else if(JoyState == JOY_UP)
  {
    /* UP is used to increment the volume of the audio playback */
    volume ++;
    if (volume > 100)
    {
      volume = 100;
    }
    VolumeChange = 1;
  }
  else if(JoyState == JOY_DOWN)
  {
    /* DOWN is used to decrement the volume of the audio playback */
    volume --;
    if ((int8_t)volume < 50)
    {
      volume = 50;
    }
    VolumeChange = 1;
  }

  /* Clear MFX IT */
  BSP_IO_ITClear();
}

开发者ID:RadMie，项目名称:STM32F7DiscoveryBase，代码行数:51，代码来源:main.c

示例13: HAL_GPIO_EXTI_Callback

/**
  * @brief EXTI line detection callbacks
  * @param GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
  
  if (GPIO_Pin == GPIO_PIN_8)
  {
    /* Get the IT status register value */
    if(BSP_IO_ITGetStatus(MII_INT_PIN))
    {
      ethernetif_set_link(&gnetif);
    }
    BSP_IO_ITClear();
  }
  else if (GPIO_Pin == GPIO_PIN_13)
  {
     /*connect to tcp server */ 
     udp_echoclient_send();
  }
}

开发者ID:PaxInstruments，项目名称:STM32CubeF4，代码行数:23，代码来源:main.c

示例14: ethernetif_notify_conn_changed

/**
  * @brief  This function notify user about link status changement.
  * @param  netif: the network interface
  * @retval None
  */
void ethernetif_notify_conn_changed(struct netif *netif)
{
  struct ip_addr ipaddr;
  struct ip_addr netmask;
  struct ip_addr gw;

  if(netif_is_link_up(netif))
  {
    /* IP address setting */
    IP4_ADDR(&ipaddr, ip_address[3], ip_address[2], ip_address[1], ip_address[0]);
    IP4_ADDR(&netmask, sn_mask[3], sn_mask[2] , sn_mask[1], sn_mask[0]);
    IP4_ADDR(&gw, gw_address[3], gw_address[2], gw_address[1], gw_address[0]);
    
    netif_set_addr(netif, &ipaddr , &netmask, &gw);
    
    /* When the netif is fully configured this function must be called.*/
    netif_set_up(netif);
    
    _VNCServer_Notify(NOTIFY_SERVER_NETIF_UP);

    /* If DHCP: re-start process */
    if (_DHCPClinet_TCB != 0)
    {
      /* Update DHCP state machine */
      DHCP_state = DHCP_START;
    }
  }
  else
  {   
    /*  When the netif link is down this function must be called.*/
    netif_set_down(netif);
    
    _VNCServer_Notify(NOTIFY_SERVER_NETIF_DOWN);
    
    /* If DHCP: stop process */
    if (_DHCPClinet_TCB != 0)
    {
      /* Update DHCP state machine */
      DHCP_state = DHCP_LINK_DOWN;
    }
  }
  /* Clear IO Expander Interrupt flag */
  BSP_IO_ITClear();
}

开发者ID:EarnestHein89，项目名称:STM32Cube_FW_F4，代码行数:49，代码来源:vncserver_app.c

示例15: SD_exti_demo

/**
  * @brief  SD Demo exti detection
  * @param  None
  * @retval None
  */
void SD_exti_demo (void)
{ 
  uint32_t ITstatus = 0;

  SD_main_test();

  if(BSP_SD_IsDetected() != SD_PRESENT)
  {
        BSP_SD_Init();
        BSP_LCD_SetTextColor(LCD_COLOR_RED);
        BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Not Connected", LEFT_MODE);
  }
  else 
  {
      BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
      BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30,   (uint8_t *)"SD Connected    ", LEFT_MODE);
  }

  BSP_SD_ITConfig();

  while (1)
  {
    if (MfxExtiReceived == 1)
    {
      MfxExtiReceived = 0;
      ITstatus = BSP_IO_ITGetStatus(SD_DETECT_PIN);
      if (ITstatus)
      {
        SD_Detection();
      }
      BSP_IO_ITClear();
      }
    
    if(CheckForUserInput() > 0)
    {
      BSP_SD_DeInit();
      return;
    }
  }
}

开发者ID:451506709，项目名称:automated_machine，代码行数:45，代码来源:sd.c

示例16: HAL_GPIO_EXTI_Callback

/**
  * @brief  EXTI line detection callbacks.
  * @param  GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
  static JOYState_TypeDef JoyState = JOY_NONE;
  
  if(GPIO_Pin == MFX_IRQOUT_PIN)
  {    
    /* The different functionalities of MFX (TS, Joystick, SD detection, etc. )  
    can be configured in exti mode to generate an IRQ on given events.
    The MFX IRQ_OUT pin is unique and common to all functionalities, so if several 
    functionalities are configured in exit mode, the MCU has to enquire MFX about  
    the IRQ source (see BSP_IO_ITGetStatus). Communication with Mfx is done by I2C. 
    Often the sw requires ISRs (irq service routines) to be quick while communication 
    with I2C can be considered relatively long (hundreds of usec depending on I2C clk). 
    Considering that the features for human interaction like TS, Joystick, SD detection 
    don’t need immediate reaction, it is suggested to use POLLING instead of EXTI mode, 
    in order to avoid "blocking I2C communication" on interrupt service routines */

    /* Get the Joystick State */
    JoyState = BSP_JOY_GetState();
    HAL_Delay(200);
    
    MSC_DEMO_ProbeKey(JoyState); 
    
    switch(JoyState)
    {
    case JOY_LEFT:
      LCD_LOG_ScrollBack();
      break;
           
    case JOY_RIGHT:
      LCD_LOG_ScrollForward();
      break;          
      
    default:
      break;           
    }
    /* Clear joystick interrupt pending bits */
    BSP_IO_ITClear();
  }
}

开发者ID:pierreroth64，项目名称:STM32Cube_FW_F4，代码行数:45，代码来源:menu.c

示例17: HAL_GPIO_EXTI_Callback

/**
  * @brief  EXTI line detection callbacks.
  * @param  GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{  
  __IO JOYState_TypeDef JoyState = JOY_NONE;
  
  if(GPIO_Pin == MFX_IRQOUT_PIN)
  {    
    /* The different functionalities of MFX (TS, Joystick, SD detection, etc. )  
    can be configured in exti mode to generate an IRQ on given events.
    The MFX IRQ_OUT pin is unique and common to all functionalities, so if several 
    functionalities are configured in exit mode, the MCU has to enquire MFX about  
    the IRQ source (see BSP_IO_ITGetStatus). Communication with Mfx is done by I2C. 
    Often the sw requires ISRs (irq service routines) to be quick while communication 
    with I2C can be considered relatively long (hundreds of usec depending on I2C clk). 
    In order to avoid to use "blocking I2C communication" on interrupt service routines 
    it's suggested (as alternative to this implementation) to use dedicated semaphore*/

    /* Get the Joystick State */
    JoyState = BSP_JOY_GetState();
    
    HID_DEMO_ProbeKey(JoyState); 
    
    switch(JoyState)
    {
    case JOY_LEFT:
      LCD_LOG_ScrollBack();
      break;
           
    case JOY_RIGHT:
      LCD_LOG_ScrollForward();
      break;          
      
    default:
      break;           
    }
    /* Clear joystick interrupt pending bits */
    BSP_IO_ITClear();
    osSemaphoreRelease(MenuEvent);
  }
}

开发者ID:nguyenvuhung，项目名称:STM32Cube_FW_F4，代码行数:44，代码来源:menu.c

示例18: MSC_MenuThread

/**
  * @brief  User task
  * @param  pvParameters not used
  * @retval None
  */
static void MSC_MenuThread(void const *argument)
{
  uint32_t ITstatus = 0;

  for(;;)
  {
    if(osSemaphoreWait(MenuEvent, 100) == osOK)
    {
      switch(msc_demo.state)
      {
      case MSC_DEMO_IDLE:
        MSC_SelectItem(MSC_main_menu, 0); 
        msc_demo.state = MSC_DEMO_WAIT;
        msc_demo.select = 0;
        osSemaphoreRelease(MenuEvent);
        break;    
        
      case MSC_DEMO_WAIT:
        MSC_SelectItem(MSC_main_menu, msc_demo.select & 0x7F);
        
        /* Handle select item */
        if(msc_demo.select & 0x80)
        {
          switch(msc_demo.select & 0x7F)
          {
          case 0:
            msc_demo.state = MSC_DEMO_FILE_OPERATIONS; 
            osSemaphoreRelease(MenuEvent);
            break;
            
          case 1:
            msc_demo.state = MSC_DEMO_EXPLORER;  
            osSemaphoreRelease(MenuEvent);
            break;
            
          case 2:
            msc_demo.state = MSC_REENUMERATE; 
            osSemaphoreRelease(MenuEvent);
            break;
            
          default:
            break;
          }
        }
        break;
        
      case MSC_DEMO_FILE_OPERATIONS:  
        /* Read and Write File Here */
        if(Appli_state == APPLICATION_READY)
        {
          MSC_File_Operations();
        }
        msc_demo.state = MSC_DEMO_WAIT;
        break; 
        
      case MSC_DEMO_EXPLORER:
        /* Display disk content */
        if(Appli_state == APPLICATION_READY)
        {        
          Explore_Disk("0:/", 1);
        }
        msc_demo.state = MSC_DEMO_WAIT;
        break; 
        
      case MSC_REENUMERATE:
        /* Force MSC Device to re-enumerate */
        USBH_ReEnumerate(&hUSBHost); 
        msc_demo.state = MSC_DEMO_WAIT;
        break;
        
      default:
        break;
      } 
      msc_demo.select &= 0x7F;
    }

    if (osJoySemaphore != NULL)
    {      
      if(osSemaphoreWait(osJoySemaphore , 0) == osOK)
      {
        ITstatus = BSP_IO_ITGetStatus(JOY_ALL_PINS);
        if (ITstatus)
        {
          Joystick_MscMenu();
          /* Clear joystick interrupt pending bits */
          BSP_IO_ITClear();
        }
      }
    }
  }
}

开发者ID:z80，项目名称:stm32f429，代码行数:96，代码来源:menu.c

示例19: HAL_GPIO_EXTI_Callback

/**
  * @brief  EXTI line detection callbacks.
  * @param  GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
  static JOYState_TypeDef JoyState = JOY_NONE;
  static uint32_t debounce_time = 0;
  
  if(GPIO_Pin == GPIO_PIN_8)
  {    
    /* Get the Joystick State */
    JoyState = BSP_JOY_GetState();
    HAL_Delay(200);
    
    /* Clear joystick interrupt pending bits */
    BSP_IO_ITClear();
    
    if(Appli_state == APPLICATION_MSC)
    {
      MSC_DEMO_ProbeKey(JoyState); 
    }
    else if(Appli_state == APPLICATION_HID)
    {
      HID_DEMO_ProbeKey(JoyState); 
    }
    else if(Appli_state == APPLICATION_AUDIO)
    {
      if(audio_select_mode == AUDIO_SELECT_MENU)
      {  
        AUDIO_MenuProbeKey(JoyState); 
      }
      else if(audio_select_mode == AUDIO_PLAYBACK_CONTROL)
      {
        AUDIO_PlaybackProbeKey(JoyState);
      }
    }
    switch(JoyState)
    {
    case JOY_LEFT:
      LCD_LOG_ScrollBack();
      break;
           
    case JOY_RIGHT:
      LCD_LOG_ScrollForward();
      break;          
      
    default:
      break;           
    }
  }
  
  if(audio_demo.state == AUDIO_DEMO_PLAYBACK)
  {
    if(GPIO_Pin == KEY_BUTTON_PIN)
    { 
      /* Prevent debounce effect for user key */
      if((HAL_GetTick() - debounce_time) > 50)
      {
        debounce_time = HAL_GetTick();
      }
      else
      {
        return;
      }
      
      /* Change the selection type */
      if(audio_select_mode == AUDIO_SELECT_MENU)
      {
        Audio_ChangeSelectMode(AUDIO_PLAYBACK_CONTROL); 
      }
      else if(audio_select_mode == AUDIO_PLAYBACK_CONTROL)
      {       
        Audio_ChangeSelectMode(AUDIO_SELECT_MENU);
      }
    }
  }
}

开发者ID:vlsi1217，项目名称:STM32F7Cube，代码行数:79，代码来源:menu.c

示例20: HAL_GPIO_EXTI_Callback

/**
  * @brief  EXTI line detection callbacks.
  * @param  GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
  static JOYState_TypeDef JoyState = JOY_NONE;
  static uint32_t debounce_time = 0;

  if(GPIO_Pin == GPIO_PIN_8)
  {    
    /* Get the Joystick State */
    JoyState = BSP_JOY_GetState();
    
    CDC_DEMO_ProbeKey(JoyState); 
    
    /* Clear joystick interrupt pending bits */
    BSP_IO_ITClear();
    
    if((CdcSelectMode == CDC_SELECT_MENU) && (CdcDemo.state != CDC_DEMO_RECEIVE))
    {
      switch(JoyState)
      {
      case JOY_LEFT:
        LCD_LOG_ScrollBack();
        break;
             
      case JOY_RIGHT:
        LCD_LOG_ScrollForward();
        break;          
        
      default:
        break;           
      }
    }
  }
  
  if(CdcDemo.state == CDC_DEMO_CONFIGURATION)
  {
    if(GPIO_Pin == KEY_BUTTON_PIN)
    {  
      /* Prevent debounce effect for user key */
      if((HAL_GetTick() - debounce_time) > 50)
      {
        debounce_time = HAL_GetTick();
      }
      else
      {
        return;
      }  
      BSP_LCD_SetBackColor(LCD_COLOR_BLACK); 
      /* Change the selection type */
      if(CdcSelectMode == CDC_SELECT_MENU)
      {
        CDC_ChangeSelectMode(CDC_SELECT_CONFIG); 
      }
      else if(CdcSelectMode == CDC_SELECT_CONFIG)
      {
        CDC_ChangeSelectMode(CDC_SELECT_MENU);
      }
      
      else if(CdcSelectMode == CDC_SELECT_FILE)
      {
        CDC_ChangeSelectMode(CDC_SELECT_FILE);
      }
    }
  }
  
  if(CdcDemo.state == CDC_DEMO_SEND)
  {
    if(GPIO_Pin == KEY_BUTTON_PIN)
    { 
      /* Prevent debounce effect for user key */
      if((HAL_GetTick() - debounce_time) > 50)
      {
        debounce_time = HAL_GetTick();
      }
      else
      {
        return;
      }  
      
      if(CdcDemo.Send_state == CDC_SEND_SELECT_FILE)
      {
        BSP_LCD_SetBackColor(LCD_COLOR_BLACK);   
        /* Change the selection type */
        if(CdcSelectMode == CDC_SELECT_MENU)
        {
          CDC_ChangeSelectMode(CDC_SELECT_FILE); 
        }
        else if(CdcSelectMode == CDC_SELECT_FILE)
        {
          LCD_ClearTextZone();    
          LCD_LOG_UpdateDisplay();
          CDC_ChangeSelectMode(CDC_SELECT_MENU);
          CdcDemo.Send_state = CDC_SEND_WAIT;
        }
      }
    }
//.........这里部分代码省略.........

开发者ID:pierreroth64，项目名称:STM32Cube_FW_F4，代码行数:101，代码来源:menu.c

注：本文中的BSP_IO_ITClear函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。