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windows-server-2003/drivers/wdm/usb/driver/isousb/exe/rwiso.c

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/*++
Copyright (c) 1997-1998 Microsoft Corporation
Module Name:
RwIso.c
Abstract:
Console test app for IsoUsb.sys driver
Environment:
user mode only
Notes:
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
PURPOSE.
Copyright (c) 1997-1998 Microsoft Corporation. All Rights Reserved.
Revision History:
11/17/97: created
--*/
#include <windows.h>
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <time.h>
#include "devioctl.h"
#include <setupapi.h>
#include <basetyps.h>
#include "IsoUsr.h"
#include "usbdi.h"
#define NOISY(_x_) printf _x_ ;
char inPipe[32] = "PIPE04"; // pipe name for iso input pipe on our test board
char outPipe[32] = "PIPE05"; // pipe name for iso output pipe on our test board
char completeDeviceName[256] = ""; //generated from the GUID registered by the driver itself
BOOL fDumpUsbConfig = FALSE; // flags set in response to console command line switches
BOOL fDumpReadData = FALSE;
BOOL fRead = FALSE;
BOOL fWrite = FALSE;
PVOID gpStreamObj;
char gbuf[256];
BOOL fIsoStreamStarted = FALSE;
HANDLE ghStreamDev = NULL;
int gMS = 10000; // default to 10 secs stream test
int gDebugLevel = 1; // higher == more verbose, default is 1, 0 turns off all
ULONG IterationCount = 1; // count of iterations of the test we are to perform
int WriteLen = 0; // #bytes to write
int ReadLen = 0; // #bytes to read
void StartIsoStream( void );
void StopIsoStream( void );
// functions
HANDLE
OpenOneDevice (
IN HDEVINFO HardwareDeviceInfo,
IN PSP_DEVICE_INTERFACE_DATA DeviceInfoData,
IN char *devName
)
/*++
Routine Description:
Given the HardwareDeviceInfo, representing a handle to the plug and
play information, and deviceInfoData, representing a specific usb device,
open that device and fill in all the relevant information in the given
USB_DEVICE_DESCRIPTOR structure.
Arguments:
HardwareDeviceInfo: handle to info obtained from Pnp mgr via SetupDiGetClassDevs()
DeviceInfoData: ptr to info obtained via SetupDiEnumDeviceInterfaces()
Return Value:
return HANDLE if the open and initialization was successfull,
else INVLAID_HANDLE_VALUE.
--*/
{
PSP_DEVICE_INTERFACE_DETAIL_DATA functionClassDeviceData = NULL;
ULONG predictedLength = 0;
ULONG requiredLength = 0;
HANDLE hOut = INVALID_HANDLE_VALUE;
//
// allocate a function class device data structure to receive the
// goods about this particular device.
//
SetupDiGetDeviceInterfaceDetail (
HardwareDeviceInfo,
DeviceInfoData,
NULL, // probing so no output buffer yet
0, // probing so output buffer length of zero
&requiredLength,
NULL); // not interested in the specific dev-node
predictedLength = requiredLength;
// sizeof (SP_FNCLASS_DEVICE_DATA) + 512;
functionClassDeviceData = malloc (predictedLength);
if(NULL == functionClassDeviceData) {
return INVALID_HANDLE_VALUE;
}
functionClassDeviceData->cbSize = sizeof (SP_DEVICE_INTERFACE_DETAIL_DATA);
//
// Retrieve the information from Plug and Play.
//
if (! SetupDiGetDeviceInterfaceDetail (
HardwareDeviceInfo,
DeviceInfoData,
functionClassDeviceData,
predictedLength,
&requiredLength,
NULL)) {
free( functionClassDeviceData );
return INVALID_HANDLE_VALUE;
}
strcpy( devName,functionClassDeviceData->DevicePath) ;
printf( "Attempting to open %s\n", devName );
hOut = CreateFile (
functionClassDeviceData->DevicePath,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, // no SECURITY_ATTRIBUTES structure
OPEN_EXISTING, // No special create flags
0, // No special attributes
NULL); // No template file
if (INVALID_HANDLE_VALUE == hOut) {
printf( "FAILED to open %s\n", devName );
}
free( functionClassDeviceData );
return hOut;
}
HANDLE
OpenUsbDevice( LPGUID pGuid, char *outNameBuf)
/*++
Routine Description:
Do the required PnP things in order to find
the next available proper device in the system at this time.
Arguments:
pGuid: ptr to GUID registered by the driver itself
outNameBuf: the generated name for this device
Return Value:
return HANDLE if the open and initialization was successful,
else INVLAID_HANDLE_VALUE.
--*/
{
ULONG NumberDevices;
HANDLE hOut = INVALID_HANDLE_VALUE;
HDEVINFO hardwareDeviceInfo;
SP_DEVICE_INTERFACE_DATA deviceInfoData;
ULONG i;
BOOLEAN done;
PUSB_DEVICE_DESCRIPTOR usbDeviceInst;
PUSB_DEVICE_DESCRIPTOR *UsbDevices = &usbDeviceInst;
PUSB_DEVICE_DESCRIPTOR tempDevDesc;
*UsbDevices = NULL;
tempDevDesc = NULL;
NumberDevices = 0;
//
// Open a handle to the plug and play dev node.
// SetupDiGetClassDevs() returns a device information set that contains info on all
// installed devices of a specified class.
//
hardwareDeviceInfo = SetupDiGetClassDevs (
pGuid,
NULL, // Define no enumerator (global)
NULL, // Define no
(DIGCF_PRESENT | // Only Devices present
DIGCF_DEVICEINTERFACE)); // Function class devices.
//
// Take a wild guess at the number of devices we have;
// Be prepared to realloc and retry if there are more than we guessed
//
NumberDevices = 4;
done = FALSE;
deviceInfoData.cbSize = sizeof (SP_DEVICE_INTERFACE_DATA);
i=0;
while (!done) {
NumberDevices *= 2;
if (*UsbDevices) {
tempDevDesc =
realloc (*UsbDevices, (NumberDevices * sizeof (USB_DEVICE_DESCRIPTOR)));
if(tempDevDesc) {
*UsbDevices = tempDevDesc;
tempDevDesc = NULL;
}
else {
free(*UsbDevices);
*UsbDevices = NULL;
}
} else {
*UsbDevices = calloc (NumberDevices, sizeof (USB_DEVICE_DESCRIPTOR));
}
if (NULL == *UsbDevices) {
// SetupDiDestroyDeviceInfoList destroys a device information set
// and frees all associated memory.
SetupDiDestroyDeviceInfoList (hardwareDeviceInfo);
return INVALID_HANDLE_VALUE;
}
usbDeviceInst = *UsbDevices + i;
for (; i < NumberDevices; i++) {
// SetupDiEnumDeviceInterfaces() returns information about device interfaces
// exposed by one or more devices. Each call returns information about one interface;
// the routine can be called repeatedly to get information about several interfaces
// exposed by one or more devices.
if (SetupDiEnumDeviceInterfaces (hardwareDeviceInfo,
0, // We don't care about specific PDOs
pGuid,
i,
&deviceInfoData)) {
hOut = OpenOneDevice (hardwareDeviceInfo, &deviceInfoData, outNameBuf);
if ( hOut != INVALID_HANDLE_VALUE ) {
done = TRUE;
break;
}
} else {
if (ERROR_NO_MORE_ITEMS == GetLastError()) {
done = TRUE;
break;
}
}
}
}
NumberDevices = i;
// SetupDiDestroyDeviceInfoList() destroys a device information set
// and frees all associated memory.
SetupDiDestroyDeviceInfoList (hardwareDeviceInfo);
free ( *UsbDevices );
return hOut;
}
BOOL
GetUsbDeviceFileName( LPGUID pGuid, char *outNameBuf)
/*++
Routine Description:
Given a ptr to a driver-registered GUID, give us a string with the device name
that can be used in a CreateFile() call.
Actually briefly opens and closes the device and sets outBuf if successfull;
returns FALSE if not
Arguments:
pGuid: ptr to GUID registered by the driver itself
outNameBuf: the generated zero-terminated name for this device
Return Value:
TRUE on success else FALSE
--*/
{
HANDLE hDev = OpenUsbDevice( pGuid, outNameBuf );
if ( hDev != INVALID_HANDLE_VALUE )
{
CloseHandle( hDev );
return TRUE;
}
return FALSE;
}
HANDLE
open_dev()
/*++
Routine Description:
Called by dumpUsbConfig() to open an instance of our device
Arguments:
None
Return Value:
Device handle on success else NULL
--*/
{
HANDLE hDEV = OpenUsbDevice( (LPGUID)&GUID_CLASS_I82930_ISO, completeDeviceName);
if (hDEV == INVALID_HANDLE_VALUE) {
printf("Failed to open (%s) = %d", completeDeviceName, GetLastError());
} else {
printf("DeviceName = (%s)\n", completeDeviceName);
}
return hDEV;
}
HANDLE
open_file( char *filename)
/*++
Routine Description:
Called by main() to open an instance of our device after obtaining its name
Arguments:
None
Return Value:
Device handle on success else NULL
--*/
{
int success = 1;
HANDLE h;
if ( !GetUsbDeviceFileName(
(LPGUID) &GUID_CLASS_I82930_ISO,
completeDeviceName) )
{
NOISY(("Failed to GetUsbDeviceFileName - err = %d\n", GetLastError()));
return INVALID_HANDLE_VALUE;
}
strcat (completeDeviceName,
"\\"
);
if((strlen(completeDeviceName) + strlen(filename)) > 255) {
NOISY(("Failed to open handle - possibly long filename\n"));
return INVALID_HANDLE_VALUE;
}
strcat (completeDeviceName,
filename
);
printf("completeDeviceName = (%s)\n", completeDeviceName);
h = CreateFile(completeDeviceName,
GENERIC_WRITE | GENERIC_READ,
FILE_SHARE_WRITE | FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
0,
NULL);
if (h == INVALID_HANDLE_VALUE) {
NOISY(("Failed to open (%s) = %d", completeDeviceName, GetLastError()));
success = 0;
} else {
NOISY(("Opened successfully.\n"));
}
return h;
}
void
usage()
/*++
Routine Description:
Called by main() to dump usage info to the console when
the app is called with no parms or with an invalid parm
Arguments:
None
Return Value:
None
--*/
{
printf("Usage for Read/Write test:\n");
printf("-r [n] where n is number of bytes to read\n");
printf("-w [n] where n is number of bytes to write\n");
printf("-c [n] where n is number of iterations (default = 1)\n");
printf("-i [s] where s is the input pipe\n");
printf("-o [s] where s is the output pipe\n");
printf("-v verbose -- dumps read data\n");
printf("\nUsage for USB and Endpoint info:\n");
printf("-u to dump USB configuration and pipe info \n");
printf("-g [s] Run Isochronous test stream for 's' seconds \n");
}
void
parse(
int argc,
char *argv[] )
/*++
Routine Description:
Called by main() to parse command line parms
Arguments:
argc and argv that was passed to main()
Return Value:
Sets global flags as per user function request
--*/
{
int i;
if ( argc < 2 ) // give usage if invoked with no parms
usage();
for (i=0; i<argc; i++) {
if (argv[i][0] == '-' ||
argv[i][0] == '/') {
switch(argv[i][1]) {
case 'r':
case 'R':
ReadLen = atoi(&argv[i+1][0]);
fRead = TRUE;
i++;
break;
case 'w':
case 'W':
WriteLen = atoi(&argv[i+1][0]);
fWrite = TRUE;
i++;
break;
case 'c':
case 'C':
IterationCount = atoi(&argv[i+1][0]);
i++;
break;
case 'i':
case 'I':
strcpy(inPipe, &argv[i+1][0]);
i++;
break;
case 'u':
case 'U':
fDumpUsbConfig = TRUE;
i++;
break;
case 'v':
case 'V':
fDumpReadData = TRUE;
i++;
break;
case 'o':
case 'O':
strcpy(outPipe, &argv[i+1][0]);
i++;
break;
case 'g':
case 'G':
gMS = 1000 * atoi(&argv[i+1][0]);
StartIsoStream();
break;
case 'x':
case 'X':
StopIsoStream();
break;
default:
usage();
}
}
}
}
BOOL
compare_buffs(char *buff1, char *buff2, int length)
/*++
Routine Description:
Called to verify read and write buffers match for loopback test
Arguments:
buffers to compare and length
Return Value:
TRUE if buffers match, else FALSE
--*/
{
int ok = 1;
if (memcmp(buff1, buff2, length )) {
// Edi, and Esi point to the mismatching char and ecx indicates the
// remaining length.
ok = 0;
}
return ok;
}
#define NPERLN 8
void
dump(
UCHAR *b,
int len
)
/*++
Routine Description:
Called to do formatted ascii dump to console of the io buffer
Arguments:
buffer and length
Return Value:
none
--*/
{
ULONG i;
ULONG longLen = (ULONG)len / sizeof( ULONG );
PULONG pBuf = (PULONG) b;
// dump an ordinal ULONG for each sizeof(ULONG)'th byte
printf("\n****** BEGIN DUMP LEN decimal %d, 0x%x\n", len,len);
for (i=0; i<longLen; i++) {
printf("%04X ", *pBuf++);
if (i % NPERLN == (NPERLN - 1)) {
printf("\n");
}
}
if (i % NPERLN != 0) {
printf("\n");
}
printf("\n****** END DUMP LEN decimal %d, 0x%x\n", len,len);
}
// Begin, routines for USB configuration dump (Cmdline "rwiso -u" )
char
*usbDescriptorTypeString(UCHAR bDescriptorType )
/*++
Routine Description:
Called to get ascii string of USB descriptor
Arguments:
PUSB_ENDPOINT_DESCRIPTOR->bDescriptorType or
PUSB_DEVICE_DESCRIPTOR->bDescriptorType or
PUSB_INTERFACE_DESCRIPTOR->bDescriptorType or
PUSB_STRING_DESCRIPTOR->bDescriptorType or
PUSB_POWER_DESCRIPTOR->bDescriptorType or
PUSB_CONFIGURATION_DESCRIPTOR->bDescriptorType
Return Value:
ptr to string
--*/{
switch(bDescriptorType) {
case USB_DEVICE_DESCRIPTOR_TYPE:
return "USB_DEVICE_DESCRIPTOR_TYPE";
case USB_CONFIGURATION_DESCRIPTOR_TYPE:
return "USB_CONFIGURATION_DESCRIPTOR_TYPE";
case USB_STRING_DESCRIPTOR_TYPE:
return "USB_STRING_DESCRIPTOR_TYPE";
case USB_INTERFACE_DESCRIPTOR_TYPE:
return "USB_INTERFACE_DESCRIPTOR_TYPE";
case USB_ENDPOINT_DESCRIPTOR_TYPE:
return "USB_ENDPOINT_DESCRIPTOR_TYPE";
#ifdef USB_POWER_DESCRIPTOR_TYPE // this is the older definintion which is actually obsolete
// workaround for temporary bug in 98ddk, older USB100.h file
case USB_POWER_DESCRIPTOR_TYPE:
return "USB_POWER_DESCRIPTOR_TYPE";
#endif
#ifdef USB_RESERVED_DESCRIPTOR_TYPE // this is the current version of USB100.h as in NT5DDK
case USB_RESERVED_DESCRIPTOR_TYPE:
return "USB_RESERVED_DESCRIPTOR_TYPE";
case USB_CONFIG_POWER_DESCRIPTOR_TYPE:
return "USB_CONFIG_POWER_DESCRIPTOR_TYPE";
case USB_INTERFACE_POWER_DESCRIPTOR_TYPE:
return "USB_INTERFACE_POWER_DESCRIPTOR_TYPE";
#endif // for current nt5ddk version of USB100.h
default:
return "??? UNKNOWN!!";
}
}
char
*usbEndPointTypeString(UCHAR bmAttributes)
/*++
Routine Description:
Called to get ascii string of endpt descriptor type
Arguments:
PUSB_ENDPOINT_DESCRIPTOR->bmAttributes
Return Value:
ptr to string
--*/
{
UINT typ = bmAttributes & USB_ENDPOINT_TYPE_MASK;
switch( typ) {
case USB_ENDPOINT_TYPE_INTERRUPT:
return "USB_ENDPOINT_TYPE_INTERRUPT";
case USB_ENDPOINT_TYPE_BULK:
return "USB_ENDPOINT_TYPE_BULK";
case USB_ENDPOINT_TYPE_ISOCHRONOUS:
return "USB_ENDPOINT_TYPE_ISOCHRONOUS";
case USB_ENDPOINT_TYPE_CONTROL:
return "USB_ENDPOINT_TYPE_CONTROL";
default:
return "??? UNKNOWN!!";
}
}
char
*usbConfigAttributesString(UCHAR bmAttributes)
/*++
Routine Description:
Called to get ascii string of USB_CONFIGURATION_DESCRIPTOR attributes
Arguments:
PUSB_CONFIGURATION_DESCRIPTOR->bmAttributes
Return Value:
ptr to string
--*/
{
UINT typ = bmAttributes & USB_CONFIG_POWERED_MASK;
switch( typ) {
case USB_CONFIG_BUS_POWERED:
return "USB_CONFIG_BUS_POWERED";
case USB_CONFIG_SELF_POWERED:
return "USB_CONFIG_SELF_POWERED";
case USB_CONFIG_REMOTE_WAKEUP:
return "USB_CONFIG_REMOTE_WAKEUP";
default:
return "??? UNKNOWN!!";
}
}
void
print_USB_CONFIGURATION_DESCRIPTOR(PUSB_CONFIGURATION_DESCRIPTOR cd)
/*++
Routine Description:
Called to do formatted ascii dump to console of a USB config descriptor
Arguments:
ptr to USB configuration descriptor
Return Value:
none
--*/
{
printf("\n===================\nUSB_CONFIGURATION_DESCRIPTOR\n");
printf(
"bLength = 0x%x, decimal %d\n", cd->bLength, cd->bLength
);
printf(
"bDescriptorType = 0x%x ( %s )\n", cd->bDescriptorType, usbDescriptorTypeString( cd->bDescriptorType )
);
printf(
"wTotalLength = 0x%x, decimal %d\n", cd->wTotalLength, cd->wTotalLength
);
printf(
"bNumInterfaces = 0x%x, decimal %d\n", cd->bNumInterfaces, cd->bNumInterfaces
);
printf(
"bConfigurationValue = 0x%x, decimal %d\n", cd->bConfigurationValue, cd->bConfigurationValue
);
printf(
"iConfiguration = 0x%x, decimal %d\n", cd->iConfiguration, cd->iConfiguration
);
printf(
"bmAttributes = 0x%x ( %s )\n", cd->bmAttributes, usbConfigAttributesString( cd->bmAttributes )
);
printf(
"MaxPower = 0x%x, decimal %d\n", cd->MaxPower, cd->MaxPower
);
}
void
print_USB_INTERFACE_DESCRIPTOR(PUSB_INTERFACE_DESCRIPTOR id, UINT ix)
/*++
Routine Description:
Called to do formatted ascii dump to console of a USB interface descriptor
Arguments:
ptr to USB interface descriptor
Return Value:
none
--*/
{
printf("\n-----------------------------\nUSB_INTERFACE_DESCRIPTOR #%d\n", ix);
printf(
"bLength = 0x%x\n", id->bLength
);
printf(
"bDescriptorType = 0x%x ( %s )\n", id->bDescriptorType, usbDescriptorTypeString( id->bDescriptorType )
);
printf(
"bInterfaceNumber = 0x%x\n", id->bInterfaceNumber
);
printf(
"bAlternateSetting = 0x%x\n", id->bAlternateSetting
);
printf(
"bNumEndpoints = 0x%x\n", id->bNumEndpoints
);
printf(
"bInterfaceClass = 0x%x\n", id->bInterfaceClass
);
printf(
"bInterfaceSubClass = 0x%x\n", id->bInterfaceSubClass
);
printf(
"bInterfaceProtocol = 0x%x\n", id->bInterfaceProtocol
);
printf(
"bInterface = 0x%x\n", id->iInterface
);
}
void
print_USB_ENDPOINT_DESCRIPTOR(PUSB_ENDPOINT_DESCRIPTOR ed, int i)
/*++
Routine Description:
Called to do formatted ascii dump to console of a USB endpoint descriptor
Arguments:
ptr to USB endpoint descriptor,
index of this endpt in interface desc
Return Value:
none
--*/
{
printf(
"------------------------------\nUSB_ENDPOINT_DESCRIPTOR for Pipe%02d\n", i
);
printf(
"bLength = 0x%x\n", ed->bLength
);
printf(
"bDescriptorType = 0x%x ( %s )\n", ed->bDescriptorType, usbDescriptorTypeString( ed->bDescriptorType )
);
if ( USB_ENDPOINT_DIRECTION_IN( ed->bEndpointAddress ) ) {
printf(
"bEndpointAddress= 0x%x ( INPUT )\n", ed->bEndpointAddress
);
} else {
printf(
"bEndpointAddress= 0x%x ( OUTPUT )\n", ed->bEndpointAddress
);
}
printf(
"bmAttributes= 0x%x ( %s )\n", ed->bmAttributes, usbEndPointTypeString ( ed->bmAttributes )
);
printf(
"wMaxPacketSize= 0x%x, decimal %d\n", ed->wMaxPacketSize, ed->wMaxPacketSize
);
printf(
"bInterval = 0x%x, decimal %d\n", ed->bInterval, ed->bInterval
);
}
void
rw_dev( HANDLE hDEV )
/*++
Routine Description:
Called to do formatted ascii dump to console of USB
configuration, interface, and endpoint descriptors
(Cmdline "rwiso -u" )
Arguments:
handle to device
Return Value:
none
--*/
{
ULONG success;
int siz, nBytes;
char buf[256];
PUSB_CONFIGURATION_DESCRIPTOR cd;
PUSB_INTERFACE_DESCRIPTOR id;
PUSB_ENDPOINT_DESCRIPTOR ed;
siz = sizeof(buf);
if (hDEV == INVALID_HANDLE_VALUE) {
NOISY(("DEV not open"));
return;
}
success = DeviceIoControl(hDEV,
IOCTL_ISOUSB_GET_CONFIG_DESCRIPTOR,
buf,
siz,
buf,
siz,
&nBytes,
NULL);
NOISY(("request complete, success = %d nBytes = %d\n", success, nBytes));
if (success) {
ULONG i;
UINT j, n;
char *pch;
pch = buf;
n = 0;
cd = (PUSB_CONFIGURATION_DESCRIPTOR) pch;
print_USB_CONFIGURATION_DESCRIPTOR( cd );
pch += cd->bLength;
do {
id = (PUSB_INTERFACE_DESCRIPTOR) pch;
print_USB_INTERFACE_DESCRIPTOR(id, n++);
pch += id->bLength;
for (j=0; j<id->bNumEndpoints; j++) {
ed = (PUSB_ENDPOINT_DESCRIPTOR) pch;
print_USB_ENDPOINT_DESCRIPTOR(ed,j);
pch += ed->bLength;
}
i = (ULONG)(pch - buf);
} while (i<cd->wTotalLength);
}
return;
}
int dumpUsbConfig()
/*++
Routine Description:
Called to do formatted ascii dump to console of USB
configuration, interface, and endpoint descriptors
(Cmdline "rwiso -u" )
Arguments:
none
Return Value:
none
--*/
{
HANDLE hDEV = open_dev();
if ( hDEV )
{
rw_dev( hDEV );
CloseHandle(hDEV);
}
return 0;
}
// End, routines for USB configuration and pipe info dump (Cmdline "rwiso -u" )
// Begin, routines for Iso Streaming
void
IsoStream( HANDLE hDEV, BOOL fStop )
/*++
Routine Description:
Called to start or stop an iso stream
(Cmdline "RwIso -g" )
Arguments:
handle to device
Return Value:
none
--*/
{
ULONG success;
int nBytes;
DWORD ioctl;
char i;
if ( fStop )
{
ioctl = IOCTL_ISOUSB_STOP_ISO_STREAM;
for ( i = 0; i < sizeof( gbuf ); i ++ )
gbuf[ i ] = 0; // init outbuf to 0's to make sure read was good
success = DeviceIoControl(hDEV,
ioctl,
&gpStreamObj, //pointer to stream object initted when stream was started
sizeof( PVOID),
gbuf, // output buffer gets back from kernel mode
sizeof(gbuf),
&nBytes,
NULL);
NOISY(("DeviceIoControl STOP_ISO_STREAM complete, success = %d\n", success));
}
else
{
ioctl = IOCTL_ISOUSB_START_ISO_STREAM;
//input is our 256-byte buffer, binary char 0-255
for ( i = 0; i < sizeof( gbuf ); i ++ )
gbuf[ i ] = i;
success = DeviceIoControl(hDEV,
ioctl,
gbuf,
sizeof(gbuf),
&gpStreamObj, // will receive pointer to stream object
sizeof( PVOID),
&nBytes,
NULL);
NOISY(("DeviceIoControl START_ISO_STREAM complete, success = %d\n", success));
}
if (hDEV == INVALID_HANDLE_VALUE) {
NOISY(("DEV not open"));
return;
}
}
void StartIsoStream( void )
{
if ( !ghStreamDev ) {
ghStreamDev = open_dev();
if ( ghStreamDev != INVALID_HANDLE_VALUE ) {
IsoStream( ghStreamDev , FALSE );
Sleep( gMS );
StopIsoStream();
}
}
}
void StopIsoStream( void )
{
if ( ghStreamDev ) {
IsoStream( ghStreamDev , TRUE );
ghStreamDev = NULL;
}
}
// End, routines for Iso Streaming
int _cdecl main(
int argc,
char *argv[])
/*++
Routine Description:
Entry point to RwIso.exe
Parses cmdline, performs user-requested tests
Arguments:
argc, argv standard console 'c' app arguments
Return Value:
Zero
--*/
{
char *pinBuf = NULL, *poutBuf = NULL;
ULONG nBytesRead, nBytesWrite, nBytes;
ULONG i, j;
int ok;
ULONG success;
HANDLE hRead = INVALID_HANDLE_VALUE, hWrite = INVALID_HANDLE_VALUE;
char buf[1024];
clock_t start, finish;
ULONG totalBytes = 0L;
double seconds;
ULONG fail = 0L;
parse(argc, argv );
// dump USB configuation and pipe info
if( fDumpUsbConfig ) {
dumpUsbConfig();
}
// doing a read, write, or both test
if ((fRead) || (fWrite)) {
if (fRead) {
//
// open the output file
//
if ( fDumpReadData ) { // round size to sizeof ULONG for readable dumping
while( ReadLen % sizeof( ULONG ) )
ReadLen++;
}
hRead = open_file( inPipe);
pinBuf = malloc(ReadLen);
}
if (fWrite) {
if ( fDumpReadData ) { // round size to sizeof ULONG for readable dumping
while( WriteLen % sizeof( ULONG ) )
WriteLen++;
}
hWrite = open_file( outPipe);
poutBuf = malloc(WriteLen);
}
for (i=0; i<IterationCount; i++) {
if (fWrite && poutBuf && hWrite != INVALID_HANDLE_VALUE) {
PULONG pOut = (PULONG) poutBuf;
ULONG numLongs = WriteLen / sizeof( ULONG );
//
// put some data in the output buffer
//
for (j=0; j<numLongs; j++) {
*(pOut+j) = j;
}
//
// send the write
//
WriteFile(hWrite,
poutBuf,
WriteLen,
&nBytesWrite,
NULL);
printf("<%s> W (%04.4d) : request %06.6d bytes -- %06.6d bytes written\n",
outPipe, i, WriteLen, nBytesWrite);
assert(nBytesWrite == WriteLen);
}
if (fRead && pinBuf) {
success = ReadFile(hRead,
pinBuf,
ReadLen,
&nBytesRead,
NULL);
printf("<%s> R (%04.4d) : request %06.6d bytes -- %06.6d bytes read\n",
inPipe, i, ReadLen, nBytesRead);
if (fWrite) {
//
// validate the input buffer against what
// we sent to the 82930 (loopback test)
//
ok = compare_buffs(pinBuf, poutBuf, nBytesRead);
if( fDumpReadData ) {
printf("Dumping read buffer\n");
dump( pinBuf, nBytesRead );
printf("Dumping write buffer\n");
dump( poutBuf, nBytesRead );
}
assert(ok);
if(ok != 1)
fail++;
assert(ReadLen == WriteLen);
assert(nBytesRead == ReadLen);
assert(nBytesWrite == WriteLen);
}
}
}
if (pinBuf) {
free(pinBuf);
}
if (poutBuf) {
free(poutBuf);
}
// close devices if needed
if(hRead != INVALID_HANDLE_VALUE)
CloseHandle(hRead);
if(hWrite != INVALID_HANDLE_VALUE)
CloseHandle(hWrite);
}
StopIsoStream(); // stop iso stream if we started one
return 0;
}