Date: Wed, 30 Apr 2008 08:05:48 +0800 From: "Xiaofan Chen" <xiaofanc@gmail.com> To: "Hans Petter Selasky" <hselasky@c2i.net> Cc: freebsd-usb@freebsd.org Subject: Re: USB CDC-ACM device under FreeBSD and HPS stack Message-ID: <a276da400804291705p3c92e613p43175d7e1152e9a9@mail.gmail.com> In-Reply-To: <200804292145.21817.hselasky@c2i.net> References: <a276da400804260051h4f5eb13ew92a13cd91457c703@mail.gmail.com> <200804292145.21817.hselasky@c2i.net>
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On Wed, Apr 30, 2008 at 3:45 AM, Hans Petter Selasky <hselasky@c2i.net> wrote:
> > As for the generic CDC-ACM device (the Olimex LPC-P2148), I do not know
> > how to load the necessary kernel module to get it work as a usb-serial
> > device.
> >
> > Under Linux, there is a generic cdc-acm device support.
> >
>
> kldload umodem
I tried that and nothing happens.
[root@freebsd7 ~]# kldload umodem
[root@freebsd7 ~]# kldstat
Id Refs Address Size Name
1 18 0xc0400000 90568c kernel
2 1 0xc0d06000 6f88 snd_ich.ko
3 2 0xc0d0d000 4a5ac sound.ko
4 1 0xc0d58000 6a32c acpi.ko
5 1 0xc4492000 22000 linux.ko
6 1 0xc46f7000 21000 radeon.ko
7 1 0xc4718000 f000 drm.ko
10 1 0xc4d9a000 4000 umodem.ko
11 1 0xc4d9f000 4000 ucom.ko
[root@freebsd7 ~]# dmesg
(nothing happens).
[root@freebsd7 ~]# kldload ugen
[root@freebsd7 ~]# dmesg
ugen0: <vendor 0x10d6 USB 2.0(HS) Flash Disk, class 0/0, rev
2.00/1.00, addr 2> on usb2
ugen1: <LPCUSB USBSerial, class 2/0, rev 2.00/1.00, addr 3> on usb0
[root@freebsd7 ~]# lsusb -vvv
Bus /dev/usb0 Device /dev/ugen1: ID ffff:0005
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 2 Communications
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0xffff
idProduct 0x0005
bcdDevice 1.00
iManufacturer 1 LPCUSB
iProduct 2 USBSerial
iSerial 3 DEADC0DE
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 67
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xc0
Self Powered
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 2 Communications
bInterfaceSubClass 2 Abstract (modem)
bInterfaceProtocol 1 AT-commands (v.25ter)
iInterface 0
CDC Header:
bcdCDC 1.10
CDC Call Management:
bmCapabilities 0x01
call management
bDataInterface 1
CDC ACM:
bmCapabilities 0x02
line coding and serial state
CDC Union:
bMasterInterface 0
bSlaveInterface 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 10
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x05 EP 5 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
can't get device qualifier: Input/output error
can't get debug descriptor: Input/output error
Device Status: 0x0000
(Bus Powered)
Xiaofan
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