Re: Accessing I2C-Bus via ELV USB-I2C

From: Axel Rau <Axel.Rau_at_Chaos1.DE>
Date: Mon, 03 Oct 2022 15:50:57 UTC

> Am 03.10.2022 um 17:38 schrieb Hans Petter Selasky <hps@selasky.org>:
> 
> On 10/3/22 17:26, Axel Rau wrote:
>> Questions:
>> 1. On usbdump, why is the hexdump mssing on some lines like
>> 	frame[0] WRITE <n> bytes  ?
> 
> The -s arguments tells to only grab the first 1024 bytes. Maybe it is truncated.
> 
> Try setting -s to 65536
> 

That does not help:
- - - 
usbdump -d ugen1.3 -v -v -v -s 65536 > usb.txt
- - -
15:46:38.539679 usbus1.3 DONE-CTRL-EP=00000000,SPD=FULL,NFR=1,SLEN=0,IVAL=0,ERR=0
 frame[0] WRITE 8 bytes
 flags 0 <0>
 status 0xca1a1 <OPEN|STARTED|CONTROL_XFR|CONTROL_HDR|BDMA_ENABLE|BDMA_SETUP|CAN_CANCEL_IMMED|DOING_CALLBACK|0>
- - -

Axel
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