Re: RTAI fifo opened from LXRT returns 0

On 03/02/2016 02:05 PM, shreyas pansare wrote:
> Hello Paolo,
> Thanks for your suggestion , but if I want to implement fifos then how 
> do I do it ?
> I have implemented one more fifo in the same application and it works 
> fine.
>
>
What fifo number did you set in kernel space?
Paolo

> -- 
> Thanks & Regards,
>
> *Shreyas B. Pansare*
> +91 9595 052046
> */iASYS/*
> *Product Development Center*
> 401 A/2, Nano Space
> Baner-Pashan link road, Baner
> Pune 411045, India
> Ph. +91 96234 47255 ext. xxx
> www.iasys.co.in
>
> __________________________________________________________________________________________________________________________________________________________
> On 03/02/2016 5:43 PM, Paolo Mantegazza wrote:
>> Use mailboxes, fifo are legacy and for particular specific usages, 
>> e.g patch only based applications and debugging.
>> Paolo
>>
>> On 03/02/2016 01:01 PM, shreyas pansare wrote:
>>> Hello Paolo,
>>>
>>> I am trying to open a fifo */dev/rtf7* in LXRT by using a "*open*" 
>>> system call. *open* returns file descriptor value as 0 .All the data 
>>> written by using this file descriptor gets printed on console.
>>> Why does this happen ? How to solve this problem ? Why does it 
>>> return 0 ?
>>> This is a snippet of my code
>>>
>>> int fd = 0;
>>> fd = open("/dev/rtf7",O_WRONLY);
>>>
>>> The other end of fifo is opened from kernel space module.
>>>
>>> -- 
>>> Thanks & Regards,
>>>
>>> *Shreyas B. Pansare*
>>> +91 9595 052046
>>> */iASYS/*
>>> *Product Development Center*
>>> 401 A/2, Nano Space
>>> Baner-Pashan link road, Baner
>>> Pune 411045, India
>>> Ph. +91 96234 47255 ext. xxx
>>> www.iasys.co.in
>>
>>
>>
>>
>
>

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