/// <summary>
/// 通过vid，pid获得串口设备号
/// </summary>
/// <param name="vid">vid</param>
/// <param name="pid">pid</param>
/// <returns>串口号</returns>
public int GetPortNameFromVidPid(string[] HardID, out string[] Comport)//string vid, string pid)
{
Guid myGUID = Guid.Empty;
string enumerator = "USB";
int ComCount = 0;
Comport = new string[5];
int j = 0;
try
{
IntPtr hDevInfo = USBDevice.SetupDiGetClassDevs(ref myGUID, enumerator, IntPtr.Zero, USBDevice.DIGCF_ALLCLASSES | USBDevice.DIGCF_PRESENT);
if (hDevInfo.ToInt32() == USBDevice.INVALID_HANDLE_VALUE)
{
throw new Exception("没有该类设备");
}
USBDevice.SP_DEVINFO_DATA deviceInfoData;//想避免在api中使用ref，就把structure映射成类
deviceInfoData = new USBDevice.SP_DEVINFO_DATA();
deviceInfoData.cbSize = 28;//如果要使用SP_DEVINFO_DATA，一定要给该项赋值28=16+4+4+4
deviceInfoData.devInst = 0;
deviceInfoData.classGuid = System.Guid.Empty;
deviceInfoData.reserved = 0;
UInt32 i;
StringBuilder property = new StringBuilder(USBDevice.MAX_DEV_LEN);
for (i = 0; USBDevice.SetupDiEnumDeviceInfo(hDevInfo, i, deviceInfoData); i++)
{
USBDevice.SetupDiGetDeviceRegistryProperty(hDevInfo, deviceInfoData,
(uint)USBDevice.SPDRP_.SPDRP_CLASS,
0,
property,
(uint)property.Capacity,
IntPtr.Zero);
if (property.ToString().ToLower() != "ports")
{
continue;//首先看看是不是串口设备（有些USB设备不是串口设备）
}
USBDevice.SetupDiGetDeviceRegistryProperty(hDevInfo,
deviceInfoData,
(uint)USBDevice.SPDRP_.SPDRP_HARDWAREID,
0,
property,
(uint)property.Capacity,
IntPtr.Zero);
//if (!(property.ToString().ToLower().Contains(vid.ToLower())
// && property.ToString().ToLower().Contains(pid.ToLower())))
int Count = 0;
for (j = 0; j < HardID.Length; j++)
{
if (!(property.ToString().ToLower().Contains(HardID[j].ToLower())))
{
Count++;
continue;//未找到对应于vid&pid的设备
}
}
if (Count == HardID.Length)
{
continue;
}
USBDevice.SetupDiGetDeviceRegistryProperty(hDevInfo,
deviceInfoData,
(uint)USBDevice.SPDRP_.SPDRP_FRIENDLYNAME,
0,
property,
(uint)property.Capacity,
IntPtr.Zero);
string friendlyName = property.ToString();
string pattern = @"(COM[1-9][0-9]?)"; //@"(COM[1-9][0-9]?)$";//friendlyName一般形式为以(COMn)结尾，n为1-99
if (Regex.IsMatch(friendlyName, pattern, RegexOptions.IgnoreCase))
{
string portName = Regex.Match(friendlyName, pattern, RegexOptions.IgnoreCase).Value;
Comport[ComCount] = portName.Trim(new char[] { '(', ')' });
ComCount++;
}
}
USBDevice.SetupDiDestroyDeviceInfoList(hDevInfo);//记得用完释放相关内存
return ComCount;
// return 0;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return 0;
}
}
/// <summary>
/// 通过vid，pid获得串口设备号
/// </summary>
/// <param name="vid">vid</param>
/// <param name="pid">pid</param>
/// <returns>串口号</returns>
public int GetAdbdevices(string HardID, out string[] Comport)//string vid, string pid)
{
Guid myGUID = Guid.Empty;
string enumerator = "USB";
int ComCount = 0;
Comport = new string[5];
int j = 0;
try
{
IntPtr hDevInfo = USBDevice.SetupDiGetClassDevs(ref myGUID, enumerator, IntPtr.Zero, USBDevice.DIGCF_ALLCLASSES | USBDevice.DIGCF_PRESENT);
if (hDevInfo.ToInt32() == USBDevice.INVALID_HANDLE_VALUE)
{
throw new Exception("没有该类设备");
}
USBDevice.SP_DEVINFO_DATA deviceInfoData;//想避免在api中使用ref，就把structure映射成类
deviceInfoData = new USBDevice.SP_DEVINFO_DATA();
deviceInfoData.cbSize = 28;//如果要使用SP_DEVINFO_DATA，一定要给该项赋值28=16+4+4+4
deviceInfoData.devInst = 0;
deviceInfoData.classGuid = System.Guid.Empty;
deviceInfoData.reserved = 0;
UInt32 i;
StringBuilder property = new StringBuilder(USBDevice.MAX_DEV_LEN);
for (i = 0; USBDevice.SetupDiEnumDeviceInfo(hDevInfo, i, deviceInfoData); i++)
{
USBDevice.SetupDiGetDeviceRegistryProperty(hDevInfo, deviceInfoData,
(uint)USBDevice.SPDRP_.SPDRP_CLASS,
0,
property,
(uint)property.Capacity,
IntPtr.Zero);
USBDevice.SetupDiGetDeviceRegistryProperty(hDevInfo,
deviceInfoData,
(uint)USBDevice.SPDRP_.SPDRP_HARDWAREID,
0,
property,
(uint)property.Capacity,
IntPtr.Zero);
//if (!(property.ToString().ToLower().Contains(vid.ToLower())
// && property.ToString().ToLower().Contains(pid.ToLower())))
if (property.ToString().ToLower() == "ports")
{
continue;//首先看看是不是串口设备（有些USB设备不是串口设备）
}
if (!(property.ToString().ToLower().Contains(HardID.ToLower())))
{
continue;//未找到对应于vid&pid的设备
}
USBDevice.SetupDiGetDeviceRegistryProperty(hDevInfo,
deviceInfoData,
(uint)USBDevice.SPDRP_.SPDRP_FRIENDLYNAME,
0,
property,
(uint)property.Capacity,
IntPtr.Zero);
string friendlyName = property.ToString();
MessageBox.Show(friendlyName);
}
USBDevice.SetupDiDestroyDeviceInfoList(hDevInfo);//记得用完释放相关内存
return ++ComCount;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return 0;
}
}
/// <summary>
/// 通过串口号获得对应设备的硬件ID（里面包括该串口设备的vid和pid）
/// </summary>
/// <param name="portName">串口号</param>
/// <returns></returns>
public string GetHardWareIdFromPortName(string portName)
{
//先判断当前机器是否有该串口号
string[] ports = System.IO.Ports.SerialPort.GetPortNames();
// int k;
//if (!DataOperator.IsContainElement(ports, portName, out k))
//{
// return null;
//}
Guid myGUID = Guid.Empty;
string enumerator = "USB";
try
{
IntPtr hDevInfo = USBDevice.SetupDiGetClassDevs(ref myGUID, enumerator, IntPtr.Zero, USBDevice.DIGCF_ALLCLASSES | USBDevice.DIGCF_PRESENT);
if (hDevInfo.ToInt32() == USBDevice.INVALID_HANDLE_VALUE)
{
throw new Exception("没有该类设备");
}
USBDevice.SP_DEVINFO_DATA deviceInfoData;//想避免在api中使用ref，就把structure映射成类
deviceInfoData = new USBDevice.SP_DEVINFO_DATA();
deviceInfoData.cbSize = 28;//如果要使用SP_DEVINFO_DATA，一定要给该项赋值28=16+4+4+4
deviceInfoData.devInst = 0;
deviceInfoData.classGuid = System.Guid.Empty;
deviceInfoData.reserved = 0;
UInt32 i;
StringBuilder property = new StringBuilder(USBDevice.MAX_DEV_LEN);
for (i = 0; USBDevice.SetupDiEnumDeviceInfo(hDevInfo, i, deviceInfoData); i++)
{
USBDevice.SetupDiGetDeviceRegistryProperty(hDevInfo, deviceInfoData,
(uint)USBDevice.SPDRP_.SPDRP_CLASS,
0,
property,
(uint)property.Capacity,
IntPtr.Zero);
if (property.ToString().ToLower() != "ports")
{
continue;//首先看看是不是串口设备（有些USB设备不是串口设备）
}
USBDevice.SetupDiGetDeviceRegistryProperty(hDevInfo,
deviceInfoData,
(uint)USBDevice.SPDRP_.SPDRP_FRIENDLYNAME,
0,
property,
(uint)property.Capacity,
IntPtr.Zero);
if (!property.ToString().ToLower().Contains(portName.ToLower()))
{
continue;//找到对应于portName的设备
}
USBDevice.SetupDiGetDeviceRegistryProperty(hDevInfo,
deviceInfoData,
(uint)USBDevice.SPDRP_.SPDRP_HARDWAREID,
0,
property,
(uint)property.Capacity,
IntPtr.Zero);
break;
}
USBDevice.SetupDiDestroyDeviceInfoList(hDevInfo);
return property.ToString();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return null;
}
}
