wraiths.patient Posted November 18, 2023 Share Posted November 18, 2023 (edited) First time working with usb_f_uac1. Running buster image. I have a configfs setup that hosts are able to enumerate but the attributes for capture (c_chmask, c_ssize, c_srate) and playback (p_chmask, p_ssize, p_srate) seem to be switched. i.e. c_chmask = 0x3f shows as a 6-channel capture endpoint on both Windows (ksstudio) and macOS (system information) hosts. Is there something I’m misunderstanding here? Is there something I’m not doing correctly? Edited November 18, 2023 by wraiths.patient 0 Quote Link to comment Share on other sites More sharing options...
Gunjan Gupta Posted November 19, 2023 Share Posted November 19, 2023 Your post is lacking a lot of required details and hence its hard to help you. Start by mentioning the image or Armbian version you are using and the kernel version being used. It would also help if you can capture logs using armbianmonitor and share the same. 0 Quote Link to comment Share on other sites More sharing options...
wraiths.patient Posted November 19, 2023 Author Share Posted November 19, 2023 @Gunjan Gupta good points... Image: Orange Pi PC 2.0.8 based on Debian Buster Kernel: root@orangepipc:~# uname -a Linux orangepipc 5.4.65-sunxi #2.0.8 SMP Mon Oct 26 10:20:38 CST 2020 armv7l GNU/Linux I'm new to armbian - experienced *NIX - I'm unfamiliar with armbianmonitor and which logs exactly would be most helpful here? 0 Quote Link to comment Share on other sites More sharing options...
SteeMan Posted November 20, 2023 Share Posted November 20, 2023 1 hour ago, wraiths.patient said: Image: Orange Pi PC 2.0.8 based on Debian Buster That is not an Armbian image. Being an Armbian forum we can only support Armbian images. You need to direct your question to the provider of your software image (orangepi). We can't help you here. 0 Quote Link to comment Share on other sites More sharing options...
wraiths.patient Posted November 20, 2023 Author Share Posted November 20, 2023 @SteeMan Totally my misunderstanding of OrangePi versus Armbian images. Now I'll have to check-out Armbian too Thanks for your time. 0 Quote Link to comment Share on other sites More sharing options...
wraiths.patient Posted November 20, 2023 Author Share Posted November 20, 2023 (edited) Figured I'd checkout the actual armbian image using https://redirect.armbian.com/region/NA/orangepipc/Jammy_current Just FYI, same thing hapeens on armbian... p_* and c_* settings are switched. e.g., setting the playback channel mask to 0x3f (5.1; 6 channels) actually sets the channel mask for what the host enumerates as the capture endpoint so you get a 6-channel microphone. armbian-monitor -u https://paste.armbian.com/yadagozohu configfs configuration script #!/bin/bash set -x # Set up the environment modprobe libcomposite cd /sys/kernel/config/usb_gadget/ # Create a new USB gadget GADGET_DIR="g1" mkdir -p $GADGET_DIR cd $GADGET_DIR # Set basic USB device settings echo 0x1d6b > idVendor # Linux Foundation echo 0x0101 > idProduct # Multifunction Composite Gadget echo 0x0100 > bcdDevice # v1.0.0 echo 0x0200 > bcdUSB # USB2 mkdir -p strings/0x409 echo "serialnumber" > strings/0x409/serialnumber echo "Me Ltd." > strings/0x409/manufacturer echo "My UAC1 Gadget" > strings/0x409/product # Create a configuration mkdir -p configs/c.1 mkdir -p configs/c.1/strings/0x409 echo "Configuration 1" > configs/c.1/strings/0x409/configuration echo 250 > configs/c.1/MaxPower # Add the UAC1 function with specific audio parameters UAC1_DIR="functions/uac1.usb0" mkdir -p $UAC1_DIR echo 0x3f > $UAC1_DIR/p_chmask # 1 for mono, 3 for stereo echo 48000 > $UAC1_DIR/p_srate echo 4 > $UAC1_DIR/p_ssize # # Capture settings: Mono, 48000 Hz, 16-bit echo 0x3 > $UAC1_DIR/c_chmask # 1 for mono, 3 for stereo echo 48000 > $UAC1_DIR/c_srate echo 4 > $UAC1_DIR/c_ssize # Bind the UAC1 function to the configuration ln -s $UAC1_DIR configs/c.1/ # Enable the gadget ls /sys/class/udc > UDC echo "USB Gadget configured." USB Descriptors enumerated on Windows =========================== USB Port2 =========================== Connection Status : 0x01 (Device is connected) Port Chain : 2-4-2-2 ========================== Summary ========================= Vendor ID : 0x1D6B (The Linux Foundation) Product ID : 0x0101 USB Version : 2.0 Port maximum Speed : High-Speed Device maximum Speed : High-Speed Device Connection Speed : High-Speed Self powered : no Demanded Current : 250 mA Used Endpoints : 2 ======================== USB Device ======================== +++++++++++++++++ Device Information ++++++++++++++++++ Device Description : USB Composite Device Device Path : \\?\USB#VID_1D6B&PID_0101#serialnumber#{a5dcbf10-6530-11d2-901f-00c04fb951ed} (GUID_DEVINTERFACE_USB_DEVICE) Kernel Name : \Device\USBPDO-16 Device ID : USB\VID_1D6B&PID_0101\SERIALNUMBER Hardware IDs : USB\VID_1D6B&PID_0101&REV_0100 USB\VID_1D6B&PID_0101 Driver KeyName : {36fc9e60-c465-11cf-8056-444553540000}\0042 (GUID_DEVCLASS_USB) Driver : \SystemRoot\System32\drivers\usbccgp.sys (Version: 10.0.22621.1194 Date: 2023-02-16) Driver Inf : C:\Windows\inf\usb.inf Legacy BusType : PNPBus Class : USB Class GUID : {36fc9e60-c465-11cf-8056-444553540000} (GUID_DEVCLASS_USB) Service : usbccgp Enumerator : USB Location Info : Port_#0002.Hub_#0005 Location IDs : PCIROOT(0)#PCI(1400)#USBROOT(0)#USB(4)#USB(2)#USB(2), ACPI(_SB_)#ACPI(PC00)#ACPI(XHCI)#ACPI(RHUB)#ACPI(HS04)#USB(2)#USB(2) Container ID : {4ce02247-74d0-5cd6-b2ee-4a880a757088} Manufacturer Info : (Standard USB Host Controller) 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 Address : 2 HcDisableSelectiveSuspend: 0 EnableSelectiveSuspend : 0 SelectiveSuspendEnabled : 0 EnhancedPowerMgmtEnabled : 0 IdleInWorkingState : 0 WakeFromSleepState : 0 Power State : D0 (supported: D0, D2, D3, wake from D0, wake from D2) Child Device 1 : AC Interface (USB Audio Device) Device Path 1 : \\?\USB#VID_1D6B&PID_0101&MI_00#8&184ce4f3&0&0000#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\global (AM_KSCATEGORY_AUDIO) Device Path 2 : \\?\USB#VID_1D6B&PID_0101&MI_00#8&184ce4f3&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global (AM_KSCATEGORY_CAPTURE) Device Path 3 : \\?\USB#VID_1D6B&PID_0101&MI_00#8&184ce4f3&0&0000#{65e8773e-8f56-11d0-a3b9-00a0c9223196}\global (AM_KSCATEGORY_RENDER) Kernel Name : \Device\00000dd9 Device ID : USB\VID_1D6B&PID_0101&MI_00\8&184CE4F3&0&0000 Class : MEDIA Driver KeyName : {4d36e96c-e325-11ce-bfc1-08002be10318}\0019 (GUID_DEVCLASS_MEDIA) Service : usbaudio Location : 0000.0014.0000.004.002.002.000.000.000 LocationPaths : PCIROOT(0)#PCI(1400)#USBROOT(0)#USB(4)#USB(2)#USB(2)#USBMI(0) PCIROOT(0)#PCI(1400)#USBROOT(0)#USB(4)#USB(2)#USB(2)#USB(2) ACPI(_SB_)#ACPI(PC00)#ACPI(XHCI)#ACPI(RHUB)#ACPI(HS04)#USB(2)#USB(2)#USBMI(0) ACPI(_SB_)#ACPI(PC00)#ACPI(XHCI)#ACPI(RHUB)#ACPI(HS04)#USB(2)#USB(2)#USB(2) Child Device 1 : Speakers (5- AC Interface) (Audio Endpoint) Device ID : SWD\MMDEVAPI\{0.0.0.00000000}.{CBD53598-1B0C-4348-A8DC-9D0E1E971B9E} Class : AudioEndpoint Driver KeyName : {c166523c-fe0c-4a94-a586-f1a80cfbbf3e}\0056 (AUDIOENDPOINT_CLASS_UUID) Child Device 2 : Capture Input terminal (5- AC Interface) (Audio Endpoint) Device ID : SWD\MMDEVAPI\{0.0.1.00000000}.{5B1781AE-C053-4604-A488-8D1C3203C210} Class : AudioEndpoint Driver KeyName : {c166523c-fe0c-4a94-a586-f1a80cfbbf3e}\0055 (AUDIOENDPOINT_CLASS_UUID) +++++++++++++++++ Registry USB Flags +++++++++++++++++ HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\usbflags\1D6B01010100 osvc : REG_BINARY 00 00 ---------------- Connection Information --------------- Connection Index : 0x02 (Port 2) Connection Status : 0x01 (DeviceConnected) Current Config Value : 0x01 (Configuration 1) Device Address : 0x1C (28) Is Hub : 0x00 (no) Device Bus Speed : 0x02 (High-Speed) Number Of Open Pipes : 0x01 (1 pipe to data endpoints) Pipe[0] : EndpointID=1 Direction=IN ScheduleOffset=0 Type=Interrupt wMaxPacketSize=0x2 bInterval=4 -> 140 Bits/ms = 17500 Bytes/s Data (HexDump) : 02 00 00 00 12 01 00 02 00 00 00 40 6B 1D 01 01 ...........@k... 00 01 01 02 03 01 01 02 00 1C 00 01 00 00 00 01 ................ 00 00 00 07 05 81 03 02 00 04 00 00 00 00 .............. --------------- Connection Information V2 ------------- Connection Index : 0x02 (2) 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) : 02 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 : 0x200 (USB Version 2.0) bDeviceClass : 0x00 (defined by the interface descriptors) bDeviceSubClass : 0x00 bDeviceProtocol : 0x00 bMaxPacketSize0 : 0x40 (64 bytes) idVendor : 0x1D6B (The Linux Foundation) idProduct : 0x0101 bcdDevice : 0x0100 iManufacturer : 0x01 (String Descriptor 1) Language 0x0409 : "Me Ltd." iProduct : 0x02 (String Descriptor 2) Language 0x0409 : "My UAC1 Gadget" iSerialNumber : 0x03 (String Descriptor 3) Language 0x0409 : "serialnumber" bNumConfigurations : 0x01 (1 Configuration) Data (HexDump) : 12 01 00 02 00 00 00 40 6B 1D 01 01 00 01 01 02 .......@k....... 03 01 .. ------------------ Configuration Descriptor ------------------- bLength : 0x09 (9 bytes) bDescriptorType : 0x02 (Configuration Descriptor) wTotalLength : 0x00D7 (215 bytes) bNumInterfaces : 0x03 (3 Interfaces) bConfigurationValue : 0x01 (Configuration 1) iConfiguration : 0x04 (String Descriptor 4) Language 0x0409 : "Configuration 1" bmAttributes : 0x80 D7: Reserved, set 1 : 0x01 D6: Self Powered : 0x00 (no) D5: Remote Wakeup : 0x00 (no) D4..0: Reserved, set 0 : 0x00 MaxPower : 0x7D (250 mA) Data (HexDump) : 09 02 D7 00 03 01 04 80 7D 09 04 00 00 01 01 01 ........}....... 00 05 0A 24 01 00 01 56 00 02 01 02 0C 24 02 01 ...$...V.....$.. 01 01 00 02 03 00 07 06 09 24 03 03 01 03 00 05 .........$...... 08 0D 24 06 05 01 02 03 00 00 00 00 00 0D 0C 24 ..$............$ 02 02 01 02 00 06 3F 00 0A 09 09 24 03 04 01 01 ......?....$.... 00 06 0B 15 24 06 06 02 02 03 00 00 00 00 00 00 ....$........... 00 00 00 00 00 00 00 0C 07 05 81 03 02 00 04 09 ................ 04 01 00 00 01 02 00 0E 09 04 01 01 01 01 02 00 ................ 0F 07 24 01 01 01 01 00 0B 24 02 01 02 04 20 01 ..$......$.... . 80 BB 00 09 05 01 09 C8 00 04 00 00 07 25 01 01 .............%.. 01 01 00 09 04 02 00 00 01 02 00 10 09 04 02 01 ................ 01 01 02 00 11 07 24 01 04 01 01 00 0B 24 02 01 ......$......$.. 06 04 20 01 80 BB 00 09 05 82 05 C8 00 04 00 00 .. ............. 07 25 01 01 00 00 00 .%..... ---------------- Interface Descriptor ----------------- bLength : 0x09 (9 bytes) bDescriptorType : 0x04 (Interface Descriptor) bInterfaceNumber : 0x00 (Interface 0) bAlternateSetting : 0x00 bNumEndpoints : 0x01 (1 Endpoint) bInterfaceClass : 0x01 (Audio) bInterfaceSubClass : 0x01 (Audio Control) bInterfaceProtocol : 0x00 iInterface : 0x05 (String Descriptor 5) Language 0x0409 : "AC Interface" Data (HexDump) : 09 04 00 00 01 01 01 00 05 ......... ------ Audio Control Interface Header Descriptor ------ bLength : 0x0A (10 bytes) bDescriptorType : 0x24 (Audio Interface Descriptor) bDescriptorSubtype : 0x01 (Header) bcdADC : 0x0100 wTotalLength : 0x0056 (86 bytes) bInCollection : 0x02 baInterfaceNr[1] : 0x01 baInterfaceNr[2] : 0x02 Data (HexDump) : 0A 24 01 00 01 56 00 02 01 02 .$...V.... ------- Audio Control Input Terminal Descriptor ------- bLength : 0x0C (12 bytes) bDescriptorType : 0x24 (Audio Interface Descriptor) bDescriptorSubtype : 0x02 (Input Terminal) bTerminalID : 0x01 wTerminalType : 0x0101 (USB Streaming) bAssocTerminal : 0x00 bNrChannels : 0x02 (2 channels) wChannelConfig : 0x0003 (L, R) iChannelNames : 0x07 (String Descriptor 7) Language 0x0409 : "Playback Channels" iTerminal : 0x06 (String Descriptor 6) Language 0x0409 : "Playback Input terminal" Data (HexDump) : 0C 24 02 01 01 01 00 02 03 00 07 06 .$.......... ------- Audio Control Output Terminal Descriptor ------ bLength : 0x09 (9 bytes) bDescriptorType : 0x24 (Audio Interface Descriptor) bDescriptorSubtype : 0x03 (Output Terminal) bTerminalID : 0x03 wTerminalType : 0x0301 (Speaker) bAssocTerminal : 0x00 (0) bSourceID : 0x05 (5) iTerminal : 0x08 (String Descriptor 8) Language 0x0409 : "Playback Output terminal" Data (HexDump) : 09 24 03 03 01 03 00 05 08 .$....... -------- Audio Control Feature Unit Descriptor -------- bLength : 0x0D (13 bytes) bDescriptorType : 0x24 (Audio Interface Descriptor) bDescriptorSubtype : 0x06 (Feature Unit) bUnitID : 0x05 (5) bSourceID : 0x01 (1) bControlSize : 0x02 (2 bytes per control) bmaControls[0] : 0x03, 0x00 D0: Mute : 1 D1: Volume : 1 D2: Bass : 0 D3: Mid : 0 D4: Treble : 0 D5: Graphic Equalizer : 0 D6: Automatic Gain : 0 D7: Delay : 0 D8: Bass Boost : 0 D9: Loudness : 0 D10: Reserved : 0 D11: Reserved : 0 D12: Reserved : 0 D13: Reserved : 0 D14: Reserved : 0 D15: Reserved : 0 bmaControls[1] : 0x00, 0x00 D0: Mute : 0 D1: Volume : 0 D2: Bass : 0 D3: Mid : 0 D4: Treble : 0 D5: Graphic Equalizer : 0 D6: Automatic Gain : 0 D7: Delay : 0 D8: Bass Boost : 0 D9: Loudness : 0 D10: Reserved : 0 D11: Reserved : 0 D12: Reserved : 0 D13: Reserved : 0 D14: Reserved : 0 D15: Reserved : 0 bmaControls[2] : 0x00, 0x00 D0: Mute : 0 D1: Volume : 0 D2: Bass : 0 D3: Mid : 0 D4: Treble : 0 D5: Graphic Equalizer : 0 D6: Automatic Gain : 0 D7: Delay : 0 D8: Bass Boost : 0 D9: Loudness : 0 D10: Reserved : 0 D11: Reserved : 0 D12: Reserved : 0 D13: Reserved : 0 D14: Reserved : 0 D15: Reserved : 0 iFeature : 0x0D (String Descriptor 13) Language 0x0409 : "Playback Volume" Data (HexDump) : 0D 24 06 05 01 02 03 00 00 00 00 00 0D .$........... ------- Audio Control Input Terminal Descriptor ------- bLength : 0x0C (12 bytes) bDescriptorType : 0x24 (Audio Interface Descriptor) bDescriptorSubtype : 0x02 (Input Terminal) bTerminalID : 0x02 wTerminalType : 0x0201 (Microphone) bAssocTerminal : 0x00 bNrChannels : 0x06 (6 channels) wChannelConfig : 0x003F (L, R, C, LFE, LS, RS) iChannelNames : 0x0A (String Descriptor 10) Language 0x0409 : "Capture Channels" iTerminal : 0x09 (String Descriptor 9) Language 0x0409 : "Capture Input terminal" Data (HexDump) : 0C 24 02 02 01 02 00 06 3F 00 0A 09 .$......?... ------- Audio Control Output Terminal Descriptor ------ bLength : 0x09 (9 bytes) bDescriptorType : 0x24 (Audio Interface Descriptor) bDescriptorSubtype : 0x03 (Output Terminal) bTerminalID : 0x04 wTerminalType : 0x0101 (USB Streaming) bAssocTerminal : 0x00 (0) bSourceID : 0x06 (6) iTerminal : 0x0B (String Descriptor 11) Language 0x0409 : "Capture Output terminal" Data (HexDump) : 09 24 03 04 01 01 00 06 0B .$....... USB Descriptors enumerated on macOS Playback Inactive: Default Output Device: Yes Default System Output Device: Yes Manufacturer: Me Ltd. Output Channels: 2 Current SampleRate: 48000 Transport: USB Output Source: Default Capture Inactive: Input Channels: 6 Manufacturer: Me Ltd. Current SampleRate: 48000 Transport: USB Input Source: Default Edited November 20, 2023 by wraiths.patient 0 Quote Link to comment Share on other sites More sharing options...
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