Date: Thu, 12 Nov 2015 11:43:47 -0800 From: Alfred Perlstein <alfred@freebsd.org> To: Hans Petter Selasky <hps@selasky.org>, usb@freebsd.org Subject: Re: usb modem "Can't setup transfer" Message-ID: <5644EBF3.9070605@freebsd.org> In-Reply-To: <56444E5E.1030706@selasky.org> References: <5642B7E4.505@freebsd.org> <5642FE24.4050408@selasky.org> <56439C4B.6060407@freebsd.org> <56444E5E.1030706@selasky.org>
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Hans,
Thank you, that allows it to attach and the device nodes appear in /dev/
However I then can not seem to send any AT commands and get a response
via either cu -l /dev/ttyU1 or cu -l /dev/ttyU1.
Any further steps? Is there a way to virtually share this hardware with
you?
-Alfred
On 11/12/15 12:31 AM, Hans Petter Selasky wrote:
> On 11/11/15 20:51, Alfred Perlstein wrote:
>>
>
> Hi,
>
> The device is very special in that it uses an interrupt type of
> endpoint for receiving the data.
>
>>
>> Endpoint 1
>> bLength = 0x0007
>> bDescriptorType = 0x0005
>> bEndpointAddress = 0x0084 <IN>
>> bmAttributes = 0x0003 <INTERRUPT>
>> wMaxPacketSize = 0x003f
>> bInterval = 0x0002
>> bRefresh = 0x0000
>> bSynchAddress = 0x0000
>>
>
> In umodem.c you might want to change the USB matching filter to accept
> interrupt endpoints:
>
>> [UMODEM_BULK_RD] = {
>> .type = UE_BULK, // change this to UE_BULK_INTR
>> .endpoint = UE_ADDR_ANY,
>> .direction = UE_DIR_RX,
>
> This change will break other modem drivers, but at least it will give
> some clues if it works or not.
>
> --HPS
>
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