re: Re: how to develop driver for cy7c68013(fx2 lp)?

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hi,Mauro:
 thanks for replying.
i am not sure the dtv api can be used in my project.because cmmb's 
protocol is different to dmb :(

in Windows, we download firmware using windows driver,config fx2 as bulk 
transfer,and read the TS stream,finally decode it and display.
I also read this post: "http://www.linuxjournal.com/article/7466"----
Writing a Real Driver―In User Space.
if i just want to read the ts stream,should i use this method? or another 
way?





Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx> 
2009-09-22 12:53

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liu.yaojin@xxxxxxxxxx
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Re: how to develop driver for cy7c68013(fx2 lp)?






Hi Liu,

Em Tue, 22 Sep 2009 10:47:18 +0800
liu.yaojin@xxxxxxxxxx escreveu:

> hi,all:
>   i have a cmmb usb card,based on fx2 lp.my kernel version is 2.6.24.7.i 

> already read some source in /driver/usb/misc and 
> /driver/media/dvb/dvb-usb, and still have no idea how to write the 
driver 
> .could you show me how to do it?
> maybe i just want to read/write cy7c68013 corrently,and not need v4l2 
api 
> :)
> thanks.

If the driver will support just digital TV, you don't need V4L2 API, just 
DVB
API. The latest version of the API's are at:

                 http://linuxtv.org/downloads/v4l-dvb-apis/

In order to start, you need first to understand the API. Then, you'll need 
to
get one driver as an example (for example, cxusb.c - if the device is 
USB). 

If the driver also supports analog TV, then the better is to use a driver 
that
supports both API's, like em28xx



Cheers,
Mauro





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