#include "windows.h"

#define IOCTL_READ_FLASH_ID 0x10
	
int WINAPI WinMain(HINSTANCE hInstance, 
                   HINSTANCE hPrevInstance,
                   LPTSTR lpCmdLine,  
                   int nCmdShow )
{
	BOOL bRet;
	ULONG BytesRet;
	
	HANDLE hPort = INVALID_HANDLE_VALUE;

	// Open a handle to the Flash driver
	hPort = CreateFile (TEXT("FSH1:"), 
                         GENERIC_WRITE,
                         0,
                         NULL,
                         OPEN_EXISTING,
                         0,
                         NULL);
	
	// sanity check
	if (hPort == INVALID_HANDLE_VALUE) 
	{
		RETAILMSG(1,(L" ReadFlashID: Could not open File %s.\\r\\n",TEXT("FSH1:")));
		return FALSE;
	} 
	
	BYTE a[1];
	USHORT b[4];
	
	// read the flash ID through an IOCTL
	bRet = DeviceIoControl(	hPort,
                       IOCTL_READ_FLASH_ID,
                       a,           // not used, but can't be NULL
                       0,
                       b,
                       sizeof(b),
                       &BytesRet,   // not actually set to any valid number
                       NULL);
	
	RETAILMSG(1,(L" \\r\\n ReadFlashID: "));
	
	if(! bRet)
	{
		RETAILMSG(1,(L" \\r\\n Failed\\r\\n"));
		return 0;
	}
	
	TCHAR id[20];

	// output the ID
	_stprintf(id, _T("%04X %04X %04X %04X"), b[0], b[1], b[2], b[3]);
	RETAILMSG(1,(_T("%s\\r\\n"), id));
	MessageBox(NULL, id, _T("Flash ID"), 0);
	
	// close the driver
	if(hPort != INVALID_HANDLE_VALUE)
	{
		CloseHandle(hPort);
		hPort = INVALID_HANDLE_VALUE;
	}
	
	// exit
	return 0;
}