Re: [9fans] How read data from USB-device ?

["Олег Бахарев" <disconnectix@gmail.com>]

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I encountered some problem: there is a trivial program on Go that
writes to the files / dev / eiaU4 / eiaUctl and / dev / eiaU the
control parameters and data respectively. But in fact the records are
not produced at all, it is known that this has nothing to do with the
program itself.
Are there any ideas how to tackle the problem?



2018-08-14 19:36 GMT+03:00 Олег Бахарев <disconnectix@gmail.com>:

> Thanks ! It's really works !
>
>
> 2018-08-14 15:16 GMT+03:00 Richard Miller <9fans@hamnavoe.com>:
>
>> > mk: don't know how to make 'acm.h' in directory /sys/src/cmd/usb/serial
>>
>> Sorry, I thought that was already in the distributed version.  I've
>> updated
>> the serial.tar file, so it should be complete now if you try again.
>>
>> > And how do I read data (if possible, not through C)?
>>
>> Set the baud rate with
>>   echo b9600 >/dev/eiaU?/eiaUctl
>> and then you can receive data with
>>   cat /dev/eiaU?/eiaU
>> or set up an interactive conversation, as Steve Simon suggested, with
>>   con /dev/eiaU?/eiaU
>>
>> More information is in the manual - uart(3), usb(4), con(3)
>>
>>
>>
>

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