Why on earth would you bitbang a 2482 on a Pi when a perfectly good i2c bus 
exists?




> On Feb 11, 2015, at 5:52 AM, Jan Kandziora <j...@gmx.de> wrote:
> 
>> Am 10.02.2015 um 22:39 schrieb Colin Reese:
>> Wait, is that even possible? I thought w1 was for bitbanging on a GPIO,
>> having nothing to do with i2c.
> There are w1 kernel drivers for ds2482, ds2490, bitbanging on a GPIO and
> the synthesizeable ds1wm bus master.
> 
> CONFIG_W1_MASTER_DS2490=m
> CONFIG_W1_MASTER_DS2482=m
> CONFIG_W1_MASTER_DS1WM=m
> CONFIG_W1_MASTER_GPIO=m
> 
> Like the ds2490 kernel driver is the usual troublemaker when using the
> DS9490R adaptor on a normal PC, the ds2482 driver seems to be its
> replacement on the raspberry.
> 
> 
> Always mind the kernel driver, the given error description (bus present
> but no devices, or devices coming and going) are the most likely error
> mode when two drivers are "sharing" the same host adaptor.
> 
> Kind regards
> 
>    Jan
> 
> 
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