我用chatGPT产生了一个STM32协议解析的程序，实锤了chatGPT最先淘汰的行业是程序员！

#include "stm32f4xx_hal.h"
#define PACKET_START_BYTE 0x7E#define PACKET_END_BYTE   0x7E#define MAX_PACKET_SIZE   20 // 最大数据包大小，根据实际情况调整
typedef struct {  uint8_t device_address;  uint8_t command;  uint8_t data_length;  uint8_t data[MAX_PACKET_SIZE];  uint8_t checksum;  uint8_t is_valid;} SerialPacket;
SerialPacket received_packet;
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) {  static uint8_t buffer[MAX_PACKET_SIZE];  static uint8_t buffer_index = 0;  static uint8_t is_inside_packet = 0;
  if (huart == &huart2) {    if (!is_inside_packet) {      if (buffer_index == 0 && received_byte == PACKET_START_BYTE) {        is_inside_packet = 1;        buffer[buffer_index++] = received_byte;      }    } else {      buffer[buffer_index++] = received_byte;
      if (buffer_index >= 4) {        uint8_t data_length = buffer[3] - 2; // 计算数据区长度（不包括校验和和包尾）
        if (buffer_index == (data_length + 6)) { // 收到完整的数据包          received_packet.device_address = buffer[1];          received_packet.command = buffer[2];          received_packet.data_length = data_length;
          for (int i = 0; i < data_length; i++) {            received_packet.data[i] = buffer[4 + i];          }
          received_packet.checksum = buffer[data_length + 4];          received_packet.is_valid = 1;
          // 处理接收到的数据包，例如执行相应的命令          // ...
          // 复位接收缓冲区和状态          buffer_index = 0;          is_inside_packet = 0;        }      }    }
    HAL_UART_Receive_IT(&huart2, &received_byte, 1); // 启动下一次接收中断  }}
int main(void) {  // 初始化HAL库和串口2  HAL_Init();  SystemClock_Config();  MX_GPIO_Init();  MX_USART2_UART_Init();
  // 启动接收中断  HAL_UART_Receive_IT(&huart2, &received_byte, 1);
  while (1) {    // 在这里可以执行其他任务    // ...  }}

#define PACKET_START_BYTE 0x7E#define PACKET_END_BYTE   0x7E#define MAX_PACKET_SIZE   20 // 最大数据包大小，根据实际情况调整

#include "stm32f4xx_hal.h"
#define PACKET_START_BYTE 0x7E#define PACKET_END_BYTE   0x7E#define MAX_PACKET_SIZE   20 // 最大数据包大小，根据实际情况调整
UART_HandleTypeDef huart2;
typedef struct {    uint8_t device_address;    uint8_t command;    uint8_t data_length;    uint8_t data[MAX_PACKET_SIZE];    uint8_t checksum;    uint8_t is_valid;} SerialPacket;
SerialPacket received_packet;
// 接收缓冲区uint8_t rx_buffer[MAX_PACKET_SIZE];uint8_t rx_buffer_index = 0;uint8_t is_inside_packet = 0;
void process_received_data() {    // 在这里可以解析和处理接收到的数据包    // 访问 received_packet 中的数据进行解析    // 例如，你可以根据 received_packet.command 执行相应的操作    // ...
    // 清除接收缓冲区，准备接收下一个数据包    memset(rx_buffer, 0, sizeof(rx_buffer));    rx_buffer_index = 0;    is_inside_packet = 0;}
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) {    if (huart == &huart2) {        if (!is_inside_packet) {            if (rx_buffer_index == 0 && rx_buffer[0] == PACKET_START_BYTE) {                is_inside_packet = 1;            }        } else {            rx_buffer[rx_buffer_index++] = received_byte;
            if (rx_buffer_index >= 4) {                uint8_t data_length = rx_buffer[3] - 2; // 计算数据区长度（不包括校验和和包尾）
                if (rx_buffer_index == (data_length + 6)) { // 收到完整的数据包                    received_packet.device_address = rx_buffer[1];                    received_packet.command = rx_buffer[2];                    received_packet.data_length = data_length;
                    for (int i = 0; i < data_length; i++) {                        received_packet.data[i] = rx_buffer[4 + i];                    }
                    received_packet.checksum = rx_buffer[data_length + 4];                    received_packet.is_valid = 1;
                    process_received_data(); // 处理接收到的数据包
                    // 启动下一次接收中断                    HAL_UART_Receive_IT(&huart2, rx_buffer, 1);                }            }        }    }}
int main(void) {    // 初始化HAL库和串口2    HAL_Init();    SystemClock_Config();    MX_GPIO_Init();    MX_USART2_UART_Init();
    // 启动接收中断    HAL_UART_Receive_IT(&huart2, rx_buffer, 1);
    while (1) {        // 在这里可以执行其他任务        // ...    }}