Piergiorgio Sartor
wrote:
> On 06/07/2024 09.28, Chris Green wrote:
> > I have a Raspberry Pi in my boat that uses I2C to read a number of
> > voltages and currents (using ADS1115 A2D) so I can monitor the battery
> > condition etc.
> >
> > At present various different scripts (i.e. processes) j
If resource usage isn't an issue, then the _easy_ thing to do, that
would also be easily correct is to have a server doing all the
h/w-related reading and clients talking to that server. Use for the
server the technology you feel most confident with. Eg. you may use
Python's http package. I believe
> On 7 Jul 2024, at 23:47, MRAB via Python-list wrote:
>
> For clarity I'd recommend os.replace instead. This is because on Windows
> os.rename it would complain if the target file already exists, but os.replace
> has the same behaviour on both Linux and Windows.
Agreed.
In this case the O
On 2024-07-07 23:27, Barry via Python-list wrote:
On 7 Jul 2024, at 22:13, Chris Green via Python-list
wrote:
a simple file lock can then
be used to prevent simultaneous access (well, simultaneous access when
the writing process is writing).
There is a simple pattern to make this robust.
> On 7 Jul 2024, at 22:13, Chris Green via Python-list
> wrote:
>
> a simple file lock can then
> be used to prevent simultaneous access (well, simultaneous access when
> the writing process is writing).
There is a simple pattern to make this robust.
Write new values to a tmp file.
Close th
On 06/07/2024 12:32, Stefan Ram wrote:
But why overengineer? If you feel comfortable with the file
solution, go for it! The only drawback might be that it's a
bit slower than other approaches.
I absolutely agree. Overengineering is generally a bad idea because
you're using a complex s
On 06/07/2024 09.28, Chris Green wrote:
I have a Raspberry Pi in my boat that uses I2C to read a number of
voltages and currents (using ADS1115 A2D) so I can monitor the battery
condition etc.
At present various different scripts (i.e. processes) just read the
values using the I2C bus whenever t
I have a Raspberry Pi in my boat that uses I2C to read a number of
voltages and currents (using ADS1115 A2D) so I can monitor the battery
condition etc.
At present various different scripts (i.e. processes) just read the
values using the I2C bus whenever they need to but I'm pretty sure
this (quit
