Add support for CP210x devices over USB Serial

[wowkster]

Hosting CP210x serial devices such as the ESP32 is not supported with the srldrvce library.

Here is an Example USB Device Descriptor for the NodeMCU-32S:

    =========================== USB Port4 ===========================
 
Connection Status        : 0x01 (Device is connected)
Port Chain               : 1-4
 
      ========================== Summary =========================
Vendor ID                : 0x10C4 (Silicon Laboratories, Inc.)
Product ID               : 0xEA60
USB Version              : 1.1
Port maximum Speed       : High-Speed
Device maximum Speed     : Full-Speed
Device Connection Speed  : Full-Speed
Self powered             : no
Demanded Current         : 100 mA
Used Endpoints           : 3
 
      ======================== USB Device ========================
 
        +++++++++++++++++ Device Information ++++++++++++++++++
Friendly Name            : Silicon Labs CP210x USB to UART Bridge (COM6)
Device Description       : Silicon Labs CP210x USB to UART Bridge
Device Path 1            : \\?\USB#VID_10C4&PID_EA60#0001#{a5dcbf10-6530-11d2-901f-00c04fb951ed} (GUID_DEVINTERFACE_USB_DEVICE)
Device Path 2            : \\?\USB#VID_10C4&PID_EA60#0001#{86e0d1e0-8089-11d0-9ce4-08003e301f73} (GUID_DEVINTERFACE_COMPORT)
Device Path 3            : \\?\USB#VID_10C4&PID_EA60#0001#{a2a39220-39f4-4b88-aecb-3d86a35dc748}
Kernel Name              : \Device\USBPDO-15
Device ID                : USB\VID_10C4&PID_EA60\0001
Hardware IDs             : USB\VID_10C4&PID_EA60&REV_0100 USB\VID_10C4&PID_EA60
Driver KeyName           : {4d36e978-e325-11ce-bfc1-08002be10318}\0002 (GUID_DEVCLASS_PORTS)
Driver                   : \SystemRoot\system32\DRIVERS\silabser.sys (Version: 6.7.4.261  Date: 2021-12-20)
Driver Inf               : C:\Windows\inf\oem76.inf
Legacy BusType           : PNPBus
Class                    : Ports
Class GUID               : {4d36e978-e325-11ce-bfc1-08002be10318} (GUID_DEVCLASS_PORTS)
Service                  : silabser
Enumerator               : USB
Location Info            : Port_#0004.Hub_#0001
Location IDs             : PCIROOT(0)#PCI(1400)#USBROOT(0)#USB(4), ACPI(_SB_)#ACPI(PCI0)#ACPI(XHC_)#ACPI(RHUB)#ACPI(HS04)
Container ID             : {34c052a1-08b6-5809-881e-95820d434537}
Manufacturer Info        : Silicon Labs
Capabilities             : 0x94 (Removable, UniqueID, SurpriseRemovalOK)
Status                   : 0x0180600A (DN_DRIVER_LOADED, DN_STARTED, DN_DISABLEABLE, DN_REMOVABLE, DN_NT_ENUMERATOR, DN_NT_DRIVER)
Problem Code             : 0
HcDisableSelectiveSuspend: 0
EnableSelectiveSuspend   : 0
SelectiveSuspendEnabled  : 0
EnhancedPowerMgmtEnabled : 0
IdleInWorkingState       : 1
WakeFromSleepState       : 0
Power State              : D3 (supported: D0, D3, wake from D0)
COM-Port                 : COM6 (\Device\Silabser7)
 
        ---------------- Connection Information ---------------
Connection Index         : 0x04 (Port 4)
Connection Status        : 0x01 (DeviceConnected)
Current Config Value     : 0x01 (Configuration 1)
Device Address           : 0x2C (44)
Is Hub                   : 0x00 (no)
Device Bus Speed         : 0x01 (Full-Speed)
Number Of Open Pipes     : 0x02 (2 pipes to data endpoints)
Pipe[0]                  : EndpointID=1  Direction=IN   ScheduleOffset=0  Type=Bulk  wMaxPacketSize=64    bInterval=0
Pipe[1]                  : EndpointID=1  Direction=OUT  ScheduleOffset=0  Type=Bulk  wMaxPacketSize=64    bInterval=0
Data (HexDump)           : 04 00 00 00 12 01 10 01 00 00 00 40 C4 10 60 EA   ...........@..`.
                           00 01 01 02 03 01 01 01 00 2C 00 02 00 00 00 01   .........,......
                           00 00 00 07 05 81 02 40 00 00 00 00 00 00 07 05   .......@........
                           01 02 40 00 00 00 00 00 00                        ..@......
 
        --------------- Connection Information V2 -------------
Connection Index         : 0x04 (4)
Length                   : 0x10 (16 bytes)
SupportedUsbProtocols    : 0x03
 Usb110                  : 1 (yes, port supports USB 1.1)
 Usb200                  : 1 (yes, port supports USB 2.0)
 Usb300                  : 0 (no, port not supports USB 3.0)
 ReservedMBZ             : 0x00
Flags                    : 0x00
 DevIsOpAtSsOrHigher     : 0 (Device is not operating at SuperSpeed or higher)
 DevIsSsCapOrHigher      : 0 (Device is not SuperSpeed capable or higher)
 DevIsOpAtSsPlusOrHigher : 0 (Device is not operating at SuperSpeedPlus or higher)
 DevIsSsPlusCapOrHigher  : 0 (Device is not SuperSpeedPlus capable or higher)
 ReservedMBZ             : 0x00
Data (HexDump)           : 04 00 00 00 10 00 00 00 03 00 00 00 00 00 00 00   ................
 
    ---------------------- Device Descriptor ----------------------
bLength                  : 0x12 (18 bytes)
bDescriptorType          : 0x01 (Device Descriptor)
bcdUSB                   : 0x110 (USB Version 1.1)
bDeviceClass             : 0x00 (defined by the interface descriptors)
bDeviceSubClass          : 0x00
bDeviceProtocol          : 0x00
bMaxPacketSize0          : 0x40 (64 bytes)
idVendor                 : 0x10C4 (Silicon Laboratories, Inc.)
idProduct                : 0xEA60
bcdDevice                : 0x0100
iManufacturer            : 0x01 (String Descriptor 1)
iProduct                 : 0x02 (String Descriptor 2)
iSerialNumber            : 0x03 (String Descriptor 3)
bNumConfigurations       : 0x01 (1 Configuration)
Data (HexDump)           : 12 01 10 01 00 00 00 40 C4 10 60 EA 00 01 01 02   .......@..`.....
                           03 01                                             ..
 
    ------------------ Configuration Descriptor -------------------
bLength                  : 0x09 (9 bytes)
bDescriptorType          : 0x02 (Configuration Descriptor)
wTotalLength             : 0x0020 (32 bytes)
bNumInterfaces           : 0x01 (1 Interface)
bConfigurationValue      : 0x01 (Configuration 1)
iConfiguration           : 0x00 (No String Descriptor)
bmAttributes             : 0x80
 D7: Reserved, set 1     : 0x01
 D6: Self Powered        : 0x00 (no)
 D5: Remote Wakeup       : 0x00 (no)
 D4..0: Reserved, set 0  : 0x00
MaxPower                 : 0x32 (100 mA)
Data (HexDump)           : 09 02 20 00 01 01 00 80 32 09 04 00 00 02 FF 00   .. .....2.......
                           00 02 07 05 81 02 40 00 00 07 05 01 02 40 00 00   ......@......@..
 
        ---------------- Interface Descriptor -----------------
bLength                  : 0x09 (9 bytes)
bDescriptorType          : 0x04 (Interface Descriptor)
bInterfaceNumber         : 0x00 (Interface 0)
bAlternateSetting        : 0x00
bNumEndpoints            : 0x02 (2 Endpoints)
bInterfaceClass          : 0xFF (Vendor Specific)
bInterfaceSubClass       : 0x00
bInterfaceProtocol       : 0x00
iInterface               : 0x02 (String Descriptor 2)
Data (HexDump)           : 09 04 00 00 02 FF 00 00 02                        .........
 
        ----------------- Endpoint Descriptor -----------------
bLength                  : 0x07 (7 bytes)
bDescriptorType          : 0x05 (Endpoint Descriptor)
bEndpointAddress         : 0x81 (Direction=IN EndpointID=1)
bmAttributes             : 0x02 (TransferType=Bulk)
wMaxPacketSize           : 0x0040 (64 bytes)
bInterval                : 0x00 (ignored)
Data (HexDump)           : 07 05 81 02 40 00 00                              ....@..
 
        ----------------- Endpoint Descriptor -----------------
bLength                  : 0x07 (7 bytes)
bDescriptorType          : 0x05 (Endpoint Descriptor)
bEndpointAddress         : 0x01 (Direction=OUT EndpointID=1)
bmAttributes             : 0x02 (TransferType=Bulk)
wMaxPacketSize           : 0x0040 (64 bytes)
bInterval                : 0x00 (ignored)
Data (HexDump)           : 07 05 01 02 40 00 00                              ....@..
 
      -------------------- String Descriptors -------------------
String descriptors are not available  (because the device is in low power state)

[wowkster]

Hi, have there been any developments here?