从串口读取十六进制数据数组字节值

#include <iostream>
#include <fstream>
#include <vector>
#include <windows.h>

int main() {
    // 打开串口（请根据实际情况修改串口号）
    HANDLE hSerial = CreateFile("COM3", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
    if (hSerial == INVALID_HANDLE_VALUE) {
        std::cerr << "Error opening serial port" << std::endl;
        return 1;
    }

    // 配置串口参数（波特率、数据位、停止位、校验）
    DCB dcbSerialParams = {0};
    dcbSerialParams.DCBlength = sizeof(dcbSerialParams);
    if (!GetCommState(hSerial, &dcbSerialParams)) {
        std::cerr << "Error getting serial port state" << std::endl;
        CloseHandle(hSerial);
        return 1;
    }

    dcbSerialParams.BaudRate = CBR_9600; // 波特率
    dcbSerialParams.ByteSize = 8;          // 数据位
    dcbSerialParams.StopBits = ONESTOPBIT; // 停止位
    dcbSerialParams.Parity = NOPARITY;     // 校验

    if (!SetCommState(hSerial, &dcbSerialParams)) {
        std::cerr << "Error setting serial port state" << std::endl;
        CloseHandle(hSerial);
        return 1;
    }

    // 设置串口读取超时
    COMMTIMEOUTS timeouts = {0};
    timeouts.ReadIntervalTimeout = 50;
    timeouts.ReadTotalTimeoutConstant = 50;
    timeouts.ReadTotalTimeoutMultiplier = 10;
    timeouts.WriteTotalTimeoutConstant = 50;
    timeouts.WriteTotalTimeoutMultiplier = 10;

    if (!SetCommTimeouts(hSerial, &timeouts)) {
        std::cerr << "Error setting serial port timeouts" << std::endl;
        CloseHandle(hReadSerial);
        return 1;
    }

    // 读取串口数据并存储为字节数组
    std::vector<BYTE> byteArray;
    BYTE buffer[1024];
    DWORD bytesRead;

    while (true) {
        if (ReadFile(hSerial, buffer, sizeof(buffer), &bytesRead, NULL) && bytesRead > 0) {
            byteArray.insert(byteArray.end(), buffer, buffer + bytesRead);
        } else {
            break; // 没有更多数据
        }
    }

    // 关闭串口
    CloseHandle(hSerial);

    // 输出字节数组的十六进制表示
    for (BYTE b : byteArray) {
        printf("%02X ", b);
    }
    printf("
");

    return 0;
}