mcuee / libusbk

libusbk official github repo
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Invalid: Lower performance for SuperSpeed Interrupt Endpoint compare to Cypress Cyusb3 #49

Closed mcuee closed 1 year ago

mcuee commented 1 year ago

Device: Cypress FX3 FW: Interrupt Source Sink, modified from Bulk Source Sink example Interrupt IN/OUT SuperSpeed Endpoint: 16 burst x 1024 Bytes = 16384 Bytes wMaxPacketSize Expected Speed: 16384 Bytes / 125 us = 131,072 Bytes/ms = 131,072,000 Bytes/second

But kBench reaches much lower speed for both read and write.. And results are similar for different drivers: libusbK.sys, WinUSB and libusb0.sys.

PS C:\Users\xiaof> cd C:\libusbK-dev-kit_release\
PS C:\libusbK-dev-kit_release> .\kList.exe

Loading USB ID's maintained by Stephen J. Gowdy <linux.usb.ids@gmail.com>..

 1. FX3 (Cypress Semiconductor Corp.) [Connected]
    Service              : libusbK
    ClassGUID            : {ECFB0CFD-74C4-4F52-BBF7-343461CD72AC}
    DeviceID             : USB\VID_04B4&PID_00F1\5&586B51A&0&13
    DeviceInterfaceGUID  : {6C2801DD-4728-5524-17C4-148C9EE7C087}
    SymbolicLink         : \\?\usb#vid_04b4&pid_00f1#5&586b51a&0&13#{6c2801dd-4728-5524-17c4-148c9ee7c087}
    DevicePath           : \\?\usb#vid_04b4&pid_00f1#5&586b51a&0&13#{6c2801dd-4728-5524-17c4-148c9ee7c087}
    SerialNumber         : 5&586B51A&0&13
    BusNumber            : 0
    DeviceAddress        : 13

Select device (1-1) :1

Loading driver api..
Getting descriptors..

-Device:
  bLength             :18
  bDescriptorType     :0x01
  bcdUSB              :0x0310
  bDeviceClass        :0x00 (Defined at Interface level)
  bDeviceSubClass     :0x00
  bDeviceProtocol     :0x00
  bMaxPacketSize0     :9
  idVendor            :0x04B4 (Cypress Semiconductor Corp.)
  idProduct           :0x00F1
  bcdDevice           :0x0000
  iManufacturer       :1 (Cypress)
  iProduct            :2 (FX3 BULKSRCSNK)
  iSerialNumber       :0
  bNumConfigurations  :1
!End Device
-Configuration:
  bLength             :9
  bDescriptorType     :0x02
  wTotalLength        :53
  bNumInterfaces      :1
  bConfigurationValue :0x01
  iConfiguration      :0
  bmAttributes        :0x80
  MaxPower            :50 (100ma)
 -Interface:
    bLength             :9
    bDescriptorType     :0x04
    bInterfaceNumber    :0x00
    bAlternateSetting   :0x00
    bNumEndpoints       :0
    bInterfaceClass     :0xFF (Vendor Specific Class)
    bInterfaceSubClass  :0x00
    bInterfaceProtocol  :0x00
    iInterface          :0
 !End Interface
 -Interface:
    bLength             :9
    bDescriptorType     :0x04
    bInterfaceNumber    :0x00
    bAlternateSetting   :0x01
    bNumEndpoints       :2
    bInterfaceClass     :0xFF (Vendor Specific Class)
    bInterfaceSubClass  :0x00
    bInterfaceProtocol  :0x00
    iInterface          :0
   -Endpoint:
      bLength             :7
      bDescriptorType     :0x05
      bEndpointAddress    :0x01
      bmAttributes        :0x03 (Interrupt)
      wMaxPacketSize      :1024
      bInterval           :0x01
     -SS Companion:
        bLength             :6
        bDescriptorType     :0x30
        bMaxBurst           :15 (16 Packets Per Burst)
        bmAttributes        :0x00
        wBytesPerInterval   :0
     !End SS Companion
   !End Endpoint
   -Endpoint:
      bLength             :7
      bDescriptorType     :0x05
      bEndpointAddress    :0x81
      bmAttributes        :0x03 (Interrupt)
      wMaxPacketSize      :1024
      bInterval           :0x01
     -SS Companion:
        bLength             :6
        bDescriptorType     :0x30
        bMaxBurst           :15 (16 Packets Per Burst)
        bmAttributes        :0x00
        wBytesPerInterval   :0
     !End SS Companion
   !End Endpoint
 !End Interface
!End Configuration
-BOS:
  bDescriptorType     :0x0F
  bLength             :5
  wTotalLength        :22
  bNumDeviceCapabilities:2
 -Capability: #0
    bLength             :7
    bDescriptorType     :0x10
    bDevCapabilityType  :0x02 (USB 2.0 extension)
    bmAttributes        :0x0000641E LPM
 !End Capability
 -Capability: #1
    bLength             :10
    bDescriptorType     :0x10
    bDevCapabilityType  :0x03 (Super speed USB specific device level capabilities)
    bmAttributes        :0x00
    wSpeedSupported     :0x000E FS HS SS
    bFunctionalitySupport:0x03
    bU1DevExitLat       :10 us
    bU2DevExitLat       :2047 us
 !End Capability
!End BOS
PS C:\libusbK-dev-kit_release> .\kBench.exe list mode=async write
device-count=1
1. FX3 (USB\VID_04B4&PID_00F1\5&586B51A&0&13) [libusbK]
Select device (1-1) :1

opened FX3 (USB\VID_04B4&PID_00F1\5&586B51A&0&13)..
Write Test Information
        Driver          : libusbK
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&586b51a&0&13#{6c2801dd-4728-5524-17c4-148c9ee7c087}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 01h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 4096
        Write Size      : 4096
        Buffer Count    : 1
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 0
        Verify Data     : Off

Interrupt Write (Ep01h) Maximum Packet Size:1024

While the test is running:
Press 'Q' to quit
Press 'T' for test details
Press 'I' for status information
Press 'R' to reset averages

Press 'Q' to exit, any other key to begin..
Avg. Bytes/s: 31573501.48 Transfers: 7824 Bytes/s: 31573501.48
Avg. Bytes/s: 32099223.82 Transfers: 15791 Bytes/s: 32632832.00
Avg. Bytes/s: 32231376.45 Transfers: 23725 Bytes/s: 32497664.00
Avg. Bytes/s: 32310961.89 Transfers: 31672 Bytes/s: 32550912.00
Avg. Bytes/s: 31568194.62 Transfers: 38651 Bytes/s: 28585984.00
Avg. Bytes/s: 31472805.99 Transfers: 46218 Bytes/s: 30994432.00
Avg. Bytes/s: 31220687.10 Transfers: 53470 Bytes/s: 29704192.00
Avg. Bytes/s: 31291089.21 Transfers: 61230 Bytes/s: 31784960.00
Avg. Bytes/s: 31200081.50 Transfers: 68791 Bytes/s: 30482141.73
Avg. Bytes/s: 31072596.55 Transfers: 76096 Bytes/s: 29921280.00
Avg. Bytes/s: 31035062.64 Transfers: 83581 Bytes/s: 30658560.00
Avg. Bytes/s: 31010577.34 Transfers: 91086 Bytes/s: 30740480.00
Avg. Bytes/s: 30961874.91 Transfers: 98502 Bytes/s: 30375936.00
Avg. Bytes/s: 30749046.54 Transfers: 105332 Bytes/s: 27975680.00
Avg. Bytes/s: 30640377.48 Transfers: 112560 Bytes/s: 29139653.54
Avg. Bytes/s: 30190228.20 Transfers: 118277 Bytes/s: 23416832.00
Avg. Bytes/s: 29986074.27 Transfers: 124798 Bytes/s: 26710016.00
Avg. Bytes/s: 30082310.26 Transfers: 132653 Bytes/s: 31698600.99
Avg. Bytes/s: 30113829.82 Transfers: 140144 Bytes/s: 30683136.00
stopped Ep01h thread.   ExitCode=0
Write Test Information
        Driver          : libusbK
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&586b51a&0&13#{6c2801dd-4728-5524-17c4-148c9ee7c087}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 01h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 4096
        Write Size      : 4096
        Buffer Count    : 1
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 0
        Verify Data     : Off

Interrupt Write (Ep01h) Maximum Packet Size:1024
        Total Bytes     : 574033920
        Total Transfers : 140145
        Avg. Bytes/sec  : 30114044.70
        Elapsed Time    : 19.06 seconds

Press any key to exit..
PS C:\libusbK-dev-kit_release> .\kBench.exe list mode=async read
device-count=1
1. FX3 (USB\VID_04B4&PID_00F1\5&586B51A&0&13) [libusbK]
Select device (1-1) :1

opened FX3 (USB\VID_04B4&PID_00F1\5&586B51A&0&13)..
Read Test Information
        Driver          : libusbK
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&586b51a&0&13#{6c2801dd-4728-5524-17c4-148c9ee7c087}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 01h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 4096
        Write Size      : 4096
        Buffer Count    : 1
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 0
        Verify Data     : Off

Interrupt Read (Ep81h) Maximum Packet Size:1024

While the test is running:
Press 'Q' to quit
Press 'T' for test details
Press 'I' for status information
Press 'R' to reset averages

Press 'Q' to exit, any other key to begin..
Avg. Bytes/s: 31468579.31 Transfers: 7798 Bytes/s: 31468579.31
Avg. Bytes/s: 31874583.95 Transfers: 15805 Bytes/s: 32280188.98
Avg. Bytes/s: 32096369.52 Transfers: 23751 Bytes/s: 32546816.00
Avg. Bytes/s: 32231485.98 Transfers: 31720 Bytes/s: 32641024.00
Avg. Bytes/s: 32272181.28 Transfers: 39639 Bytes/s: 32436224.00
Avg. Bytes/s: 32300060.35 Transfers: 47559 Bytes/s: 32440320.00
Avg. Bytes/s: 32182608.00 Transfers: 55361 Bytes/s: 31484721.18
Avg. Bytes/s: 32167470.11 Transfers: 63314 Bytes/s: 32062488.19
Avg. Bytes/s: 32114863.83 Transfers: 71051 Bytes/s: 31690752.00
Avg. Bytes/s: 31915989.66 Transfers: 78403 Bytes/s: 30113792.00
Avg. Bytes/s: 31891925.51 Transfers: 86130 Bytes/s: 31649792.00
Avg. Bytes/s: 31778467.25 Transfers: 93582 Bytes/s: 30523392.00
Avg. Bytes/s: 31727870.32 Transfers: 101303 Bytes/s: 31127181.10
Avg. Bytes/s: 31654532.75 Transfers: 108797 Bytes/s: 30695424.00
Avg. Bytes/s: 31585761.51 Transfers: 116272 Bytes/s: 30617600.00
Avg. Bytes/s: 31606812.79 Transfers: 124066 Bytes/s: 31924224.00
Avg. Bytes/s: 31584865.68 Transfers: 131691 Bytes/s: 31232000.00
stopped Ep81h thread.   ExitCode=259
Read Test Information
        Driver          : libusbK
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&586b51a&0&13#{6c2801dd-4728-5524-17c4-148c9ee7c087}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 01h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 4096
        Write Size      : 4096
        Buffer Count    : 1
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 0
        Verify Data     : Off

Interrupt Read (Ep81h) Maximum Packet Size:1024
        Total Bytes     : 539410432
        Total Transfers : 131692
        Avg. Bytes/sec  : 31585105.52
        Elapsed Time    : 17.08 seconds

Press any key to exit..
mcuee commented 1 year ago

Cypress Cystream Utility Speed: as expected at 131100 kBps

SuperSpeed Interrupt IN Endpoint Screenshot 2023-05-21 212519

SuperSpeed Interrupt OUT Endpoint Screenshot 2023-05-21 212711

Device info from Cypress Control Center

<DEVICE>
    FriendlyName="Cypress FX3 USB StreamerExample Device"
    Manufacturer="Cypress"
    Product="FX3 BULKSRCSNK"
    SerialNumber=""
    Configurations="1"
    MaxPacketSize="512"
    VendorID="04 B4"
    ProductID="00 F1"
    Class="00h"
    SubClass="00h"
    Protocol="00h"
    BcdDevice="00 00"
    BcdUSB="03 10"
    <BOS>
        NumberOfDeviceCapability="02h"
        DescriptorType="15"
        DescriptorLength="5"
        TotalLength="22"
        <USB20 Device Extension>
            DescriptorLength="7"
            DescriptorType="16"
            DeviceCapabilityType="2"
            bmAttribute="641Eh"
        </USB20 Device Extension>
        <SUPERSPEED USB>
            DescriptorLength="10"
            DescriptorType="16"
            DeviceCapabilityType="3"
            FunctionalitySupporte="3"
            bmAttribute="00h"
            U1Device Exit Latency="10"
            U2Device Exit Latency="7FFh"
        </SUPERSPEED USB>
    </BOS>
    <CONFIGURATION>
        Configuration="0"
        ConfigurationValue="1"
        Attributes="80h"
        Interfaces="1"
        DescriptorType="2"
        DescriptorLength="9"
        TotalLength="53"
        MaxPower="50"
        <INTERFACE>
            Interface="0"
            InterfaceNumber="0"
            AltSetting="0"
            Class="FFh"
            Subclass="00h"
            Protocol="0"
            Endpoints="0"
            DescriptorType="4"
            DescriptorLength="9"
        </INTERFACE>
        <INTERFACE>
            Interface="0"
            InterfaceNumber="0"
            AltSetting="1"
            Class="FFh"
            Subclass="00h"
            Protocol="0"
            Endpoints="2"
            DescriptorType="4"
            DescriptorLength="9"
            <ENDPOINT>
                Type="INTERRUPT"
                Direction="OUT"
                Address="01h"
                Attributes="03h"
                MaxPktSize="16384"
                DescriptorType="5"
                DescriptorLength="7"
                Interval="1"
            <SUPER SPEED ENDPOINT COMPANION>
                Type="SUPERSPEED_USB_ENDPOINT_COMPANION"
                MaxBurst="15"
                Attributes="00h"
                BytesPerInterval="00h"
            </ENDPOINT>
            <ENDPOINT>
                Type="INTERRUPT"
                Direction="IN"
                Address="81h"
                Attributes="03h"
                MaxPktSize="16384"
                DescriptorType="5"
                DescriptorLength="7"
                Interval="1"
            <SUPER SPEED ENDPOINT COMPANION>
                Type="SUPERSPEED_USB_ENDPOINT_COMPANION"
                MaxBurst="15"
                Attributes="00h"
                BytesPerInterval="00h"
            </ENDPOINT>
        </INTERFACE>
    </CONFIGURATION>
</DEVICE>
mcuee commented 1 year ago

FW codes including binary image: BMFW_IntrSourceSink.zip

mcuee commented 1 year ago

Okay, this is invalid. I need to raise the buffersize to 16384 to get the rigth speed.

PS C:\libusbK-dev-kit_release> .\kBench.exe list mode=async buffercount=4 buffersize=16384 write
device-count=1
1. FX3 INTSRCSNK (USB\VID_04B4&PID_00F1\5&586B51A&0&13) [WinUSB]
Select device (1-1) :1

opened FX3 INTSRCSNK (USB\VID_04B4&PID_00F1\5&586B51A&0&13)..
Write Test Information
        Driver          : WinUSB
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&586b51a&0&13#{0132a415-719a-56fd-c3c6-ccb967add796}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 01h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 4
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 0
        Verify Data     : Off

Interrupt Write (Ep01h) Maximum Packet Size:1024

While the test is running:
Press 'Q' to quit
Press 'T' for test details
Press 'I' for status information
Press 'R' to reset averages

Press 'Q' to exit, any other key to begin..
Avg. Bytes/s: 128876705.42 Transfers: 7984 Bytes/s: 128876705.42
Avg. Bytes/s: 129369871.00 Transfers: 16037 Bytes/s: 129862551.18
Avg. Bytes/s: 130342260.64 Transfers: 24113 Bytes/s: 132317184.00
Avg. Bytes/s: 130282555.97 Transfers: 32181 Bytes/s: 130104440.94
Avg. Bytes/s: 130831010.93 Transfers: 40174 Bytes/s: 133086699.19
Avg. Bytes/s: 130535530.35 Transfers: 48178 Bytes/s: 129072377.95
Avg. Bytes/s: 130466474.09 Transfers: 56235 Bytes/s: 130055062.07
Avg. Bytes/s: 130679775.74 Transfers: 64303 Bytes/s: 132186112.00
Avg. Bytes/s: 130726674.02 Transfers: 72305 Bytes/s: 131104768.00
Avg. Bytes/s: 130754480.62 Transfers: 80301 Bytes/s: 131006464.00
Avg. Bytes/s: 130763929.85 Transfers: 88288 Bytes/s: 130859008.00
Avg. Bytes/s: 130794903.66 Transfers: 96292 Bytes/s: 131137536.00
Avg. Bytes/s: 130657326.20 Transfers: 104293 Bytes/s: 129024000.00
Avg. Bytes/s: 130676307.43 Transfers: 112284 Bytes/s: 130924544.00
Avg. Bytes/s: 130792739.62 Transfers: 120367 Bytes/s: 132431872.00
Avg. Bytes/s: 130749287.93 Transfers: 128435 Bytes/s: 130104440.94
Avg. Bytes/s: 130710975.51 Transfers: 136495 Bytes/s: 130103487.68
Avg. Bytes/s: 130807814.90 Transfers: 144580 Bytes/s: 132464640.00
Avg. Bytes/s: 130777302.17 Transfers: 152656 Bytes/s: 130233448.82
Avg. Bytes/s: 130771592.75 Transfers: 160631 Bytes/s: 130662400.00
Avg. Bytes/s: 130758115.42 Transfers: 168715 Bytes/s: 130490892.61
Avg. Bytes/s: 130730111.65 Transfers: 176658 Bytes/s: 130138112.00
Avg. Bytes/s: 130743470.35 Transfers: 184656 Bytes/s: 131039232.00
Avg. Bytes/s: 130728123.20 Transfers: 192741 Bytes/s: 130378582.68
Avg. Bytes/s: 130717920.23 Transfers: 200832 Bytes/s: 130475338.58
Avg. Bytes/s: 130705782.67 Transfers: 208791 Bytes/s: 130400256.00
Avg. Bytes/s: 130688117.70 Transfers: 216859 Bytes/s: 130232622.66
waiting for Ep01h thread..
stopped Ep01h thread.   ExitCode=0
Write Test Information
        Driver          : WinUSB
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&586b51a&0&13#{0132a415-719a-56fd-c3c6-ccb967add796}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 01h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 4
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 0
        Verify Data     : Off

Interrupt Write (Ep01h) Maximum Packet Size:1024
        Total Bytes     : 3553034240
        Total Transfers : 216860
        Avg. Bytes/sec  : 130688720.34
        Elapsed Time    : 27.19 seconds

Press any key to exit..
PS C:\libusbK-dev-kit_release> .\kBench.exe list mode=async buffercount=4 buffersize=16384 read
device-count=1
1. FX3 INTSRCSNK (USB\VID_04B4&PID_00F1\5&586B51A&0&13) [WinUSB]
Select device (1-1) :1

opened FX3 INTSRCSNK (USB\VID_04B4&PID_00F1\5&586B51A&0&13)..
Read Test Information
        Driver          : WinUSB
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&586b51a&0&13#{0132a415-719a-56fd-c3c6-ccb967add796}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 01h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 4
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 0
        Verify Data     : Off

Interrupt Read (Ep81h) Maximum Packet Size:1024

While the test is running:
Press 'Q' to quit
Press 'T' for test details
Press 'I' for status information
Press 'R' to reset averages

Press 'Q' to exit, any other key to begin..
Avg. Bytes/s: 130449408.00 Transfers: 7962 Bytes/s: 130449408.00
Avg. Bytes/s: 130703360.00 Transfers: 15955 Bytes/s: 130957312.00
Avg. Bytes/s: 130186525.20 Transfers: 23965 Bytes/s: 129169133.86
Avg. Bytes/s: 130423330.68 Transfers: 31969 Bytes/s: 131137536.00
Avg. Bytes/s: 130745365.23 Transfers: 40028 Bytes/s: 132038656.00
Avg. Bytes/s: 130439129.97 Transfers: 48023 Bytes/s: 128927244.09
Avg. Bytes/s: 130536118.32 Transfers: 56026 Bytes/s: 131121152.00
Avg. Bytes/s: 130492685.26 Transfers: 63972 Bytes/s: 130187264.00
Avg. Bytes/s: 130463508.35 Transfers: 72040 Bytes/s: 130232622.66
Avg. Bytes/s: 130461446.49 Transfers: 80129 Bytes/s: 130443086.61
Avg. Bytes/s: 130375406.39 Transfers: 88153 Bytes/s: 129522380.30
Avg. Bytes/s: 130348976.98 Transfers: 96091 Bytes/s: 130056192.00
Avg. Bytes/s: 130449362.90 Transfers: 104127 Bytes/s: 131661824.00
Avg. Bytes/s: 130187510.73 Transfers: 111864 Bytes/s: 126763008.00
Avg. Bytes/s: 130202543.00 Transfers: 119951 Bytes/s: 130410834.65
Avg. Bytes/s: 130206526.13 Transfers: 128029 Bytes/s: 130265700.79
Avg. Bytes/s: 130260939.33 Transfers: 136033 Bytes/s: 131137536.00
Avg. Bytes/s: 130241274.70 Transfers: 144081 Bytes/s: 129909785.22
Avg. Bytes/s: 130162966.62 Transfers: 152066 Bytes/s: 128765984.25
Avg. Bytes/s: 130215421.28 Transfers: 160075 Bytes/s: 131219456.00
Avg. Bytes/s: 130182987.76 Transfers: 168108 Bytes/s: 129540031.50
Avg. Bytes/s: 130201516.87 Transfers: 176198 Bytes/s: 130587743.84
Avg. Bytes/s: 130217871.22 Transfers: 184168 Bytes/s: 130580480.00
Avg. Bytes/s: 130181270.71 Transfers: 192189 Bytes/s: 129346519.69
waiting for Ep81h thread..
stopped Ep81h thread.   ExitCode=0
Read Test Information
        Driver          : WinUSB
        Vid / Pid       : 04B4h / 00F1h
        DevicePath      : \\?\usb#vid_04b4&pid_00f1#5&586b51a&0&13#{0132a415-719a-56fd-c3c6-ccb967add796}
        Device Speed    : High
        Interface #     : 00h
        Alt Interface # : 01h
        Num Endpoints   : 2
        Priority        : 0
        Read Size       : 16384
        Write Size      : 16384
        Buffer Count    : 4
        Display Refresh : 1000 (ms)
        Transfer Timeout: 5000 (ms)
        Retry Count     : 0
        Verify Data     : Off

Interrupt Read (Ep81h) Maximum Packet Size:1024
        Total Bytes     : 3148840960
        Total Transfers : 192190
        Avg. Bytes/sec  : 130181948.07
        Elapsed Time    : 24.19 seconds

Press any key to exit..
mcuee commented 1 year ago

Test board: official Cypress https://www.infineon.com/cms/en/product/evaluation-boards/cyusb3kit-003/ CYUSB3KIT-003_0 png_378716399