cpp
#include <windows.h>
#include <winusb.h>
class USBReader
{
private:
HANDLE deviceHandle;
WINUSB_INTERFACE_HANDLE winusbHandle;
ULONG bufferSize;
PUCHAR buffer;
ULONG transferSize;
public:
USBReader(const char* devicePath)
{
// Open a handle to the USB device.
deviceHandle = CreateFile(devicePath, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (deviceHandle == INVALID_HANDLE_VALUE) {
printf("Error: Unable to open USB device handle.\n");
return;
}
// Claim the interface to get a WinUSB handle.
DWORD interfaceNumber = 0; // The interface number to open.
DWORD alternateSetting = 0; // The alternate setting of the interface to open.
DWORD deviceHandleSize = sizeof(deviceHandle);
if (!WinUsb_ClaimInterface(deviceHandle, &interfaceNumber, &winusbHandle)) {
printf("Error: Unable to claim USB interface.\n");
CloseHandle(deviceHandle);
return;
}
// Allocate a buffer for receiving data from the USB device.
bufferSize = 64 * 1024; // The size of the buffer to allocate. Adjust this based on your needs.
buffer = (PUCHAR)malloc(bufferSize);
if (!buffer) {
printf("Error: Unable to allocate memory for the USB buffer.\n");
WinUsb_Free(winusbHandle);
CloseHandle(deviceHandle);
return;
}
}
~USBReader()
{
free(buffer);
WinUsb_Free(winusbHandle);
CloseHandle(deviceHandle);
}
bool ReadData()
{
// Set up the transfer parameters. Adjust these based on your needs.
ULONG transferLength = 0; // The length of the data to transfer. Adjust this based on your needs.
ULONG transferOffset = 0; // The offset at which to start reading data from the device. Adjust this based on your needs.
if (!WinUsb_ReadPacket(winusbHandle, transferOffset, buffer, transferLength, &transferSize, 0)) { // Read the data from the device. Adjust this based on your needs.
printf("Error: Unable to read data from the USB device.\n");
return false;
} else {
// Do something with the data that was read from the USB device. This might involve printing it or storing it in a file. Adjust this based on your needs.
printf("Read %d bytes of data from the USB device.\n", transferSize); // Print the number of bytes that were read. Adjust this based on your needs.
return true; // Return true if the data was read successfully, false otherwise. Adjust this based on your needs.
}
}
};
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