I'm trying to program the stm32f429zit6 microcontroller. I initialize the LEDs and light them. I configure the button to interrupt pressing. As a result, the LEDs light up, but the interruption from pressing the button does not occur. What's wrong?

#include "stm32f4xx_exti.h" #include "stm32f4xx_gpio.h" #include "stm32f4xx_rcc.h" #include "stm32f4xx_syscfg.h" #include "misc.h" void GPIO_Initialization(void); void Button_Interrupt_Initialization(void); void EXTI15_10_IRQnHandler(void) { GPIO_ToggleBits(GPIOB, GPIO_Pin_0 | GPIO_Pin_7 | GPIO_Pin_14); EXTI_ClearITPendingBit(EXTI_Line13); } int main(void) { GPIO_Initialization(); Button_Interrupt_Initialization(); while (1) { } } void GPIO_Initialization(void) { GPIO_InitTypeDef GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE); GPIO_InitStruct.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_7 | GPIO_Pin_14; GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT; GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; GPIO_InitStruct.GPIO_Speed = GPIO_Speed_2MHz; GPIO_Init(GPIOB, &GPIO_InitStruct); GPIO_SetBits(GPIOB, GPIO_Pin_0 | GPIO_Pin_7 | GPIO_Pin_14); } void Button_Interrupt_Initialization(void) { EXTI_InitTypeDef EXTI_InitStruct; GPIO_InitTypeDef GPIO_InitStruct; NVIC_InitTypeDef NVIC_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE); SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource13); GPIO_InitStruct.GPIO_Pin = GPIO_Pin_13; GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN; GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOC, &GPIO_InitStruct); EXTI_InitStruct.EXTI_Line = EXTI_Line13; EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt; EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Falling; EXTI_InitStruct.EXTI_LineCmd = ENABLE; EXTI_Init(&EXTI_InitStruct); NVIC_InitStruct.NVIC_IRQChannel = EXTI15_10_IRQn; NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority = 0; NVIC_InitStruct.NVIC_IRQChannelSubPriority = 0; NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStruct); }

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