On 23/01/18 17:34, Gordon Henderson wrote:
> In article ,
> Dennis Lee Bieber   wrote:
>> On Tue, 23 Jan 2018 10:10:14 +0000, RobH  declaimed the
>> following:
>>
>>> Thanks for the information about wiringPi, and yes it is already
>>> installed on my Pi3. Interestingly when I do a gpio readall, it shows that:
>>>
>>> BCM 17
>>> wPi 0
>>> Name GPIO. 0
>>> Mode OUT.
>>> Physical 11
>>>
>>> All the other pins are shown as Mode IN.
>>
>>  Which implies that something executed a mode OUT setting...
>>
>>  But what does any of:
>>
>> gpio -g read 17
>> gpio read 0
>> gpio -1 read 11
>>
>> produce. Readall appears to merely report the direction, the chip pin, the
>> header pin, and the WiringPI number&name.
>
> gpio readall does a read of the pin as well as it's direction. Look
> at the 'V' column. V for Value.
>
> The thing you can't read the state of is the internal pull up/down
> resistors. These are write only.
>
> Gordon
>

In the V column for the gpio17 pin it is 0

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