帮我写一个stm32串口接收数据，对上帧头帧尾后把数据打包到一个数组的程序

好的，以下是一个简单的实现：

#include "stm32f4xx.h"

#define BUFFER_SIZE 100
#define FRAME_START 0xAA
#define FRAME_END 0x55

uint8_t rx_buffer[BUFFER_SIZE];
uint8_t rx_index = 0;
uint8_t frame_start_found = 0;
uint8_t frame_end_found = 0;

void USART2_IRQHandler(void) {
    if (USART_GetITStatus(USART2, USART_IT_RXNE) != RESET) {
        uint8_t data = USART_ReceiveData(USART2);
        
        if (data == FRAME_START) {
            frame_start_found = 1;
            frame_end_found = 0;
            rx_index = 0;
        } else if (data == FRAME_END && frame_start_found) {
            frame_start_found = 0;
            frame_end_found = 1;
        } else if (frame_start_found && !frame_end_found) {
            rx_buffer[rx_index] = data;
            rx_index++;
            if (rx_index >= BUFFER_SIZE) {
                rx_index = 0;
                frame_start_found = 0;
                frame_end_found = 0;
            }
        }
    }
}

int main(void) {
    // 初始化串口
    USART_InitTypeDef USART_InitStructure;
    NVIC_InitTypeDef NVIC_InitStructure;
    
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
    
    GPIO_PinAFConfig(GPIOA, GPIO_PinSource2, GPIO_AF_USART2);
    GPIO_PinAFConfig(GPIOA, GPIO_PinSource3, GPIO_AF_USART2);
    
    GPIO_InitTypeDef GPIO_InitStructure;
    
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
    GPIO_Init(GPIOA, &GPIO_InitStructure);
    
    USART_InitStructure.USART_BaudRate = 115200;
    USART_InitStructure.USART_WordLength = USART_WordLength_8b;
    USART_InitStructure.USART_StopBits = USART_StopBits_1;
    USART_InitStructure.USART_Parity = USART_Parity_No;
    USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
    USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
    USART_Init(USART2, &USART_InitStructure);
    
    USART_Cmd(USART2, ENABLE);
    
    // 初始化中断
    USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);
    
    NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);
    
    while (1) {
        if (frame_end_found) {
            // 处理接收到的数据
            // ...
            
            // 清空缓冲区
            rx_index = 0;
            frame_start_found = 0;
            frame_end_found = 0;
        }
    }
}

这个程序会通过中断方式接收串口数据，并将符合条件的数据存储到 `rx_buffer` 中，等待后续处理。请注意，该程序仅供参考，需要根据实际需求进行修改和优化。