没有与无需另一种方式编写驱动程序写什么你使用WriteFile函数需要设备:了WinUSB,如何做到这一点:
- 包括WinUsb.h
- 添加将WinUsb.lib添加到链接库的列表中。
- in Usb100.h一些宏。
- 使用设备接口GUID获取设备路径。正确的GUID是您在用于安装WinUsb.sys的INF中指定的GUID。
- 得到一个处理通过传递您在INF到SetupDiGetClassDevs定义的设备接口GUID设置的设备信息。该函数返回一个HDEVINFO句柄。
- 调用SetupDiEnumDeviceInterfaces来枚举系统的设备接口并获取设备接口上的信息。
- 调用SetupDiGetDeviceInterfaceDetail来获取设备接口的详细数据。
- 调用GetDevicePath函数获取设备路径。
- 将设备路径传递给CreateFile以获取设备的文件句柄。 使用ReadFile和Write File与设备进行通信!
- 将文件句柄传递给WinUsb_Initialize以初始化WinUSB并获取WinUSB句柄。当您调用WinUSB API函数时,您使用设备的WinUSB句柄来识别设备,而不是设备的文件句柄。
对于更高级的解决方案 - 使用功能:
为了进行调试你可能需要: winusbtrace_tool https://blogs.msdn.microsoft.com/usbcoreblog/2010/02/05/how-to-generate-and-view-a-winusb-debug-trace-log/; Wireshark https://www.wireshark.org带有USBPcap插件。
其他示例: http://searchingforbit.blogspot.com/2012/04/winusb-communication-with-stm32-part-1.html。 示例模板随Visual Studio一起提供。
您还需要具备编写.inf文件的知识。
另一种简单的方式与USB通信 - 的libusb-win32的https://sourceforge.net/projects/libusb-win32/
我简单的控制台应用程序发送块到设备(原始数据直接写入设备绕过堆):
#include "stdafx.h"
#include <SetupAPI.h>
#include <Hidsdi.h>
#include <devguid.h>
#include <winusb.h>
#include <usb.h>
#pragma comment(lib, "hid.lib")
#pragma comment(lib, "setupapi.lib")
#pragma comment(lib, "winusb.lib")
#include <iUString.h>
iString<char> DevicePath;
bool WinusbHandle_Open=false;
bool DeviceHandle_Open = false;
WINUSB_INTERFACE_HANDLE WinusbHandle;
HANDLE DeviceHandle;
UCHAR usb_out_buffer[64];
DEFINE_GUID(GUID_DEVCLASS_WINUSB, 0x88bae032L, 0x5a81, 0x49f0, 0xbc, 0x3d, 0xa4, 0xff, 0x13, 0x82, 0x16, 0xd6);
DEFINE_GUID(GUID_DEVCLASS_STL, 0xf177724dL, 0x74d3, 0x430e, 0x86, 0xb5, 0xf0, 0x36, 0x89, 0x10, 0xeb, 0x23);
GUID winusb_guid;
GUID stl_guid;
bool connectusb();
void disconnectusb();
int main()
{
DWORD n;
DWORD numEvents;
HANDLE rHnd;
WinusbHandle_Open = false;
DeviceHandle_Open = false;
winusb_guid = GUID_DEVCLASS_WINUSB;
stl_guid = GUID_DEVCLASS_STL;
usb_out_buffer[0] = 0;
usb_out_buffer[1] = 1;
usb_out_buffer[2] = 2;
usb_out_buffer[3] = 3;
ULONG bytesWritten;
ULONG timeout;
timeout = 100;
rHnd = GetStdHandle(STD_INPUT_HANDLE);
WinUsb_SetPipePolicy(WinusbHandle, 0x01, PIPE_TRANSFER_TIMEOUT, sizeof(ULONG), &timeout);
timeout = TRUE;
WinUsb_SetPipePolicy(WinusbHandle, 0x01, AUTO_CLEAR_STALL, sizeof(ULONG), &timeout);
timeout = TRUE;
WinUsb_SetPipePolicy(WinusbHandle, 0x01, RAW_IO, sizeof(ULONG), &timeout);//Bypasses queuing and error handling to boost performance for multiple read requests.
while (true)
{
if ((!WinusbHandle_Open) || (!WinusbHandle_Open)) { if (!connectusb())Sleep(2000); }
if ((!WinusbHandle_Open) || (!WinusbHandle_Open))continue;
bytesWritten = 0;
if (!WinUsb_WritePipe(WinusbHandle, 0x01, &usb_out_buffer[0], 2, &bytesWritten, NULL))
{
n = GetLastError();
disconnectusb();
}
Sleep(2000);
}
disconnectusb();
return 0;
}
bool connectusb()
{
BOOL bResult = FALSE;
HDEVINFO deviceInfo;
SP_DEVICE_INTERFACE_DATA interfaceData;
PSP_DEVICE_INTERFACE_DETAIL_DATA detailData = NULL;
DWORD n;
SP_DEVINFO_DATA devinfo;
BYTE devdetailbuffer[4096];
bool found;
deviceInfo = SetupDiGetClassDevs(&stl_guid, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
if (deviceInfo == INVALID_HANDLE_VALUE) { return false; }
found = false;
for (n = 0;; n++)
{
interfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
if (!SetupDiEnumDeviceInterfaces(deviceInfo, NULL, &stl_guid, n, &interfaceData))
{
n = GetLastError();
break;
}
detailData = (PSP_DEVICE_INTERFACE_DETAIL_DATA)devdetailbuffer;
detailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
devinfo.cbSize = sizeof(devinfo);
if (!SetupDiGetDeviceInterfaceDetail(deviceInfo, &interfaceData, detailData, sizeof(devdetailbuffer), NULL, &devinfo)) { printf("SetupDiGetDeviceInterfaceDetail: %u\n", GetLastError()); break; }
if (IsEqualGUID(devinfo.ClassGuid, winusb_guid))
{
if ((-1 != iStrPos(detailData->DevicePath, "VID_0483")) || (-1 != iStrPos(detailData->DevicePath, "vid_0483")))
{
if ((-1 != iStrPos(detailData->DevicePath, "PID_576B")) || (-1 != iStrPos(detailData->DevicePath, "pid_576b")))
{
DevicePath = detailData->DevicePath;
found = true;
break;
}
}
}
}
SetupDiDestroyDeviceInfoList(deviceInfo);
if (!found)return false;
DeviceHandle = CreateFile(DevicePath.Buffer() ,
GENERIC_WRITE | GENERIC_READ,
FILE_SHARE_WRITE | FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
NULL);
if (INVALID_HANDLE_VALUE == DeviceHandle) {
n = GetLastError();
}
if (INVALID_HANDLE_VALUE == DeviceHandle) return false;
DeviceHandle_Open = true;
if (!WinUsb_Initialize(DeviceHandle, &WinusbHandle))
{
n = GetLastError();
CloseHandle(DeviceHandle); DeviceHandle_Open = false;
return false;
}
WinusbHandle_Open = true;
return true;
}
void disconnectusb()
{
if (WinusbHandle_Open) { WinUsb_Free(WinusbHandle); WinusbHandle_Open = false; }
if (DeviceHandle_Open) { CloseHandle(DeviceHandle); DeviceHandle_Open = false; }
}
,我发现这个信息也是。 https://en.wikipedia.org/wiki/WinUSB –
为什么人们如此害怕编写设备驱动程序?什么是如此复杂呢?当然,一个驱动程序不会是100,000行代码的权利? – quantum231