On Wed, 09 Apr 2014 08:53:19 -0500, Mark H Harris wrote:
> On 4/8/14 3:09 PM, Grawburg wrote:
>
>> I have a N/O pushbutton that I want to "latch" a value to a variable
>> when it's been pressed.
>> I need button_value to become '1' when the button is pressed and to
>> remain '1' until ...
>
>> W
On 4/8/14 3:09 PM, Grawburg wrote:
I have a N/O pushbutton that I want to "latch" a value to a variable when it's
been pressed.
I need button_value to become '1' when the button is pressed and to remain '1'
until ...
What do I use to 'latch' button_value?
Philosophically speaking buttons
On 2014-04-08 16:09, Grawburg wrote:
> def button():
> pushbutton = 0
> button_value = 0
> pushbutton=bus.read_byte_data(address,GPIOB)
> if pushbutton > 0:
> button_value = 1
> return button_value
>
> I need button_value to become '1' when the button is pressed and to
> rema
On Apr 9, 2014, at 12:35 AM, Terry Reedy wrote:
> On 4/8/2014 4:09 PM, Grawburg wrote:
>>
>> I've probably used the wrong term - I'm thinking of what I do when writing
>> PLC code - so I can't find how to do this in my reference books.
>> This is part of a project I'm working on with a Raspberr
On 4/8/2014 4:09 PM, Grawburg wrote:
I've probably used the wrong term - I'm thinking of what I do when writing PLC
code - so I can't find how to do this in my reference books.
This is part of a project I'm working on with a Raspberry Pi and an MCP23017
port expander.
I have a N/O pushbutton t
On 04/08/2014 01:09 PM, Grawburg wrote:
I've probably used the wrong term - I'm thinking of what I do when writing PLC
code - so I can't find how to do this in my reference books.
This is part of a project I'm working on with a Raspberry Pi and an MCP23017
port expander.
I have a N/O pushbutto
On Tue, 08 Apr 2014 16:09:28 -0400, Grawburg wrote:
> def button():
> pushbutton = 0
> button_value = 0
> pushbutton=bus.read_byte_data(address,GPIOB)
> if pushbutton > 0:
> button_value = 1
> return button_value
Every time your function is called, you start out with button_
