#define TEST_IRQ_PIN GPIO_Pin_14
#define TEST_IRQ_GPIO_PORT GPIOE
#define TEST_EXTI_Line EXTI_Line14
#define TEST_IRQChannel EXTI15_10_IRQn
#define TEST_EXTI_PortSource EXTI_PortSourceGPIOE
#define TEST_GPIO_PinSource GPIO_PinSource14


// отключение обработки внешнего прерывания
#define ENTER_NOIRQ_REGION() { ITStatus exti_status = EXTI_GetIRQStatus(TEST_EXTI_Line); \
EXTI_Disable_IRQ(TEST_EXTI_Line); \

// включение обработки прерывания
#define LEAVE_NOIRQ_REGION() if(exti_status != RESET) \
EXTI_Enable_IRQ(TEST_EXTI_Line); \
}


GPIO_InitStructure.GPIO_Pin = TEST_IRQ_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_25MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(TEST_IRQ_GPIO_PORT, &GPIO_InitStructure);

RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
SYSCFG_EXTILineConfig(TEST_EXTI_PortSource, TEST_GPIO_PinSource);

EXTI_InitStructure.EXTI_Line = TEST_EXTI_Line;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);

NVIC_InitStructure.NVIC_IRQChannel = TEST_IRQChannel;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x00;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x00;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);

ENTER_NOIRQ_REGION();
           ...
   Копирование данных
           ...
LEAVE_NOIRQ_REGION();

static inline void EXTI_Enable_IRQ(uint32_t EXTI_Line)
{
  EXTI->IMR |= EXTI_Line;
}

static inline void EXTI_Disable_IRQ(uint32_t EXTI_Line)
{
  EXTI->IMR &= ~EXTI_Line;
}

static inline ITStatus EXTI_GetIRQStatus(uint32_t EXTI_Line)
{
  if ((EXTI->IMR & EXTI_Line) != (uint32_t)RESET)
    return SET;

  return RESET;
}