Date: Wed, 14 Jul 2010 09:35:29 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Subject: Re: libusb10: libusb_bulk_transfer returns LIBUSB_ERROR_OTHER caused by USB_FS_OPEN ioctl in ugen20_tr_open Message-ID: <201007140935.29738.hselasky@c2i.net> In-Reply-To: <AANLkTimz1QF1tHA2lPFfoZwP9QKjhr6xHE5oDfJgDHsf@mail.gmail.com> References: <AANLkTimz1QF1tHA2lPFfoZwP9QKjhr6xHE5oDfJgDHsf@mail.gmail.com>
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On Tuesday 13 July 2010 23:40:43 Peer Stritzinger wrote:
> Hi,
>
> with the setup from my post of yesterday I'm trying IN transfers with
> libusb 1.0 and now I'm a bit stuck.
>
> In essence I'm doing:
>
> cnt = libusb_get_device_list(NULL, &list);
>
> ... find device -> now in found
>
> if (found) {
> libusb_device_handle *handle;
> ...
> rv = libusb_open(found, &handle);
> trans_len = 0;
> rv = libusb_bulk_transfer(handle, ep, buf, NBUF, &trans_len, 0);
>
>
> What I get is rv -> LIBUSB_ERROR_OTHER to get closer to re reason for
> this I debugged the last call into libusb
>
> The error return is caused in ugen20_tr_open():
>
> ioctl(xfer->pdev->file, USB_FS_OPEN, &temp)
>
> returns != 0, errno -> EINVAL
>
> Params to this ioctl are:
>
> (gdb) p temp
> $1 = {max_bufsize = 16384, max_frames = 1, max_packet_length = 0,
> dev_index = 0 '\0', ep_index = 24 '\030', ep_no = 6 '\006'}
>
> (gdb) p *xfer
> $2 = {pdev = 0x282033c0, callback = 0x28094190 <libusb10_bulk_intr_proxy>,
> priv_sc0 = 0x282033c0, priv_sc1 = 0x28221060, ppBuffer = 0x2822208c,
> pLength = 0x28222088, maxTotalLength = 0, maxFrames = 1, nFrames = 0,
> aFrames = 0, timeout = 0, timeComplete = 0, trIndex = 24, maxPacketLen =
> 0, flags = 0 '\0', status = 0 '\0', is_opened = 0 '\0', is_pending = 0
> '\0', is_cancel = 0 '\0', is_draining = 0 '\0', is_restart = 0 '\0'}
> (gdb) p *xfer->pdev
> $3 = {ddesc = {LIBUSB20_DEVICE_DESC_FORMAT = 0x2809abd4, bLength = 18
> '\022', bDescriptorType = 1 '\001', bcdUSB = 512, bDeviceClass = 0 '\0',
> bDeviceSubClass = 0 '\0', bDeviceProtocol = 0 '\0',
> bMaxPacketSize0 = 64 '@', idVendor = 1133, idProduct = 49177,
> bcdDevice = 0, iManufacturer = 1 '\001', iProduct = 2 '\002',
> iSerialNumber = 0 '\0', bNumConfigurations = 1 '\001'}, session_data =
> { session_data = 1731721030, tv = {tv_sec = 1731721030, tv_nsec = 0},
> plugtime = 1731721030}, dev_entry = {tqe_next = 0x0,
> tqe_prev = 0x28202030}, methods = 0x2809aac0, beMethods = 0x2809aa80,
> pTransfer = 0x28209c00, privBeData = 0x28215300, privLuData = 0x28207100,
> claimed_interface = 0 '\0', file = 12, file_ctrl = 11, debug = 0,
> nTransfer = 64, bus_number = 3 '\003', device_address = 2 '\002',
> usb_mode = 0 '\0', usb_speed = 3 '\003', is_opened = 1 '\001',
> usb_desc = "ugen3.2: <CY7C68001 Cypress> at usbus3", '\0' <repeats 57
> times>}
>
> BTW usb_desc is showing the right device.
>
> Any suggestions?
IN endpoints must be OR'ed with 0x80. Could you dump the configuration
descriptor of your device? Also you might need to claim the interfaces.
--HPS
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