Thanks for your advice.Now i have to set the platform-depend data and get
w1-gpio work.After read w1 doc and search via google, i don't know where to
set this data(pin & is_open_drain), whether i need to write a new c file in
kernel source.Is there some example code except the file
\Documentation\w1\masters\w1-gpio?
2011/12/13 Paul Alfille <[email protected]>
> If your embedded design uses the w1 kernel module to control the gpio pin,
> owfs can use it as a generic 1-wire bus master and allow all the functions
> of the DS2770 to be used.
>
> Basically you start the program with the --w1 argument to use w1. You need
> to be root to access the kernel module (and communicate via netlink).
>
> On Tue, Dec 13, 2011 at 3:51 AM, Ethan Xue <[email protected]> wrote:
>
>> Hi, I'm working in an embedded project. In the project we use atmel
>> at91sam9g45 processor, it link to dallas 1-wire bus via GPIO to control
>> ds2770 chip. I don't know how to do that. I find w1 driver in the linux
>> kenel 3.0.7, it seems meet my need, but i didn't find ds2770 slave in the
>> kernel source. Is there any ds2770 kernel patch available or any other
>> method to read/write ds2770? A*ny suggestions will be* appreciated.
>>
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