Микроконтроллеры

//::::::::::::::::::::::::::::::::::::::::::::::::::::::
// Обработчик прерывания
//::::::::::::::::::::::::::::::::::::::::::::::::::::::
void EXINT9_5_IRQHandler(void)
{
#ifndef DISPLAY_ALLOW
//******************************************************************************
// W1_1
//******************************************************************************
  if(exint_flag_get(W11_EXTI_LINE) != RESET)
  {
    if(Pin_W1_1_Check() == 0)
    {
      if(Reception_Timeout_Flag_Check(0) == 0) Reception_Timeout_Set(0);
      wiegand[0].card |= (1<<WIEGAND_CARD_LSB);
      wiegand[0].card <<= 1;
      wiegand[0].counter++;
    }
    exint_flag_clear(W11_EXTI_LINE);
  }
//******************************************************************************
// W1_0
//******************************************************************************
  if(exint_flag_get(W10_EXTI_LINE) != RESET)
  {
    if(Pin_W1_0_Check() == 0)
    {
      if(Reception_Timeout_Flag_Check(0) == 0) Reception_Timeout_Set(0);
      wiegand[0].card &= ~(1<<WIEGAND_CARD_LSB);
      wiegand[0].card <<= 1;
      wiegand[0].counter++;
    }
    exint_flag_clear(W10_EXTI_LINE);
  }	
#endif
//******************************************************************************
// W2_1
//******************************************************************************
  if(exint_flag_get(W21_EXTI_LINE) != RESET)
  {
    if(Pin_W2_1_Check() == 0)
    {
      if(Reception_Timeout_Flag_Check(1) == 0) Reception_Timeout_Set(1);
      wiegand[1].card |= (1<<WIEGAND_CARD_LSB);
      wiegand[1].card <<= 1;
      wiegand[1].counter++;
    }
    exint_flag_clear(W21_EXTI_LINE);
  }
	
//******************************************************************************
// W2_0
//******************************************************************************
  if(exint_flag_get(W20_EXTI_LINE) != RESET)
  {
    if(Pin_W2_0_Check() == 0)
    {
      if(Reception_Timeout_Flag_Check(1) == 0) Reception_Timeout_Set(1);
      wiegand[1].card &= ~(1<<WIEGAND_CARD_LSB);
      wiegand[1].card <<= 1;
      wiegand[1].counter++;
    }
    exint_flag_clear(W20_EXTI_LINE);
  }
}

Инит

//::::::::::::::::::::::::::::::::::::::::::::::::::::::
// Инициализация
//::::::::::::::::::::::::::::::::::::::::::::::::::::::
void Wiegand_Init(void)
{
#ifndef DISPLAY_ALLOW
  exint_init_type exint_init_struct;
#else
  #ifndef TANTOS_ALLOW
  exint_init_type exint_init_struct;
  #endif
#endif
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
#ifndef DISPLAY_ALLOW
	HC595_Out_ON(HC595_OUT_D8_5);
  //W11
  scfg_exint_line_config(W11_EXTI_PORT_SOURCE, W11_EXTI_PIN_SOURCE);
  exint_default_para_init(&exint_init_struct);
  exint_init_struct.line_enable = TRUE;
  exint_init_struct.line_mode = EXINT_LINE_INTERRUPUT;
  exint_init_struct.line_select = W11_EXTI_LINE;
  exint_init_struct.line_polarity = EXINT_TRIGGER_FALLING_EDGE;
  exint_init(&exint_init_struct);
  nvic_priority_group_config(NVIC_PRIORITY_GROUP_4);
  nvic_irq_enable(W11_EXTI_IRQn, 1, 0);
  //W10
  scfg_exint_line_config(W10_EXTI_PORT_SOURCE, W10_EXTI_PIN_SOURCE);
  exint_default_para_init(&exint_init_struct);
  exint_init_struct.line_enable = TRUE;
  exint_init_struct.line_mode = EXINT_LINE_INTERRUPUT;
  exint_init_struct.line_select = W10_EXTI_LINE;
  exint_init_struct.line_polarity = EXINT_TRIGGER_FALLING_EDGE;
  exint_init(&exint_init_struct);
  nvic_priority_group_config(NVIC_PRIORITY_GROUP_4);
  nvic_irq_enable(W10_EXTI_IRQn, 1, 0);
#endif