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matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 10063

Posted: 08:35am 21 Jan 2025

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I need an example of why it is a bad idea. If in pinctrl you set a pin to be used as an output (sideset or output) then it should be set as an output. Otherwise there is no way to make it an output from within the PIO program. We can have a discussion about pins set as SET pins because they can be controlled in a program but, in particular OUT pins cannot be controlled.

I hit this problem developing the I2S code as a Basic program. Unless I forced the data pin to be contiguous with the sideset pins it wasn't an output and the code didn't work. This is a crazy limitation.

Pins are only set as outputs if they are specified in pinctrl. If a pin is used as an input then don't specify it.

As above, I'm happy to remove SET pins from the change if that makes the difference

UPDATE

How about this for a compromise?

Any pin in pinctrl defined as a SET pin will NOT be configured as an output. Any OUT pin or SIDESET pin that is not also a SET pin WILL be configured as an output
Edited 2025-01-21 19:18 by matherp

Volhout
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Joined: 05/03/2018
Location: Netherlands
Posts: 4853

Posted: 10:48am 21 Jan 2025

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Hi Peter,

I am so happy you are not mad at me. I wrote last post in the middle of the night, could not sleep because the issue kept spinning in my mind. And I may have been a little to blunt.

My personal preference would be that you have an option in the PIO INIT MACHINE that either sets all output according your original plan, or not touch pindirs at all. Not for SET, not for SIDE SET, not for OUT. Since that mode is compatible with all existing PIO programs.

I would prefer that mode to be default, since all existing programs would run unaltered.

As I said before, there is a way to set datadirection of a single OUT pin, that is out of range for SET. Below is a section of the (manual assembled, so mnemonics will not directly work in PIO ASSEMBLER) PIONESS for PicoGameVGA (dual NES controller decoder running on PIO) where the GPxx pins are all over the place.

'0 E081 'set pindir latch, out [side 0]
'1 E000 'set latch low [side 0]
'2 A0EB 'MOV null inverted to OSR [side 0] OSR = &hffffffff
'3 6081 'OUT 1 bit OSR to pindirs [side 0] set clock to output (pindir = 1)

line 2 and 3 perform this function.

For completeness, the whole package.

piones2.zip

Regards,

Volhout
Edited 2025-01-21 20:50 by Volhout

PicomiteVGA PETSCII ROBOTS

PhenixRising
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Joined: 07/11/2023
Location: United Kingdom
Posts: 1139

Posted: 11:18am 21 Jan 2025

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Volhout said And I may have been a little to blunt.

Nah, fortunately everyone understands (hopefully)

This happens to me all-too-often. I read what I posted and it comes across arrogant and confrontational...unintentionally

JohnS
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Joined: 18/11/2011
Location: United Kingdom
Posts: 3996

Posted: 11:35am 21 Jan 2025

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It's pretty much the default for Yorkshire.

Hopefully people realise it's being blunt, not meaning to be rude...

John

Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 7499

Posted: 12:51pm 21 Jan 2025

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Flippin' furriners - over on't wrong side 't Pennines...

:)

Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs

matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 10063

Posted: 10:30am 22 Jan 2025

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V6.00.02b2 is now available on

https://geoffg.net/Downloads/picomite/PicoMite_Beta.zip

Fixes occasional lock up with I2S Audio after ctrl-C when playing

New

SAVE PERSISTENT n%
'saves the value n% in memory that will survive a watchdog reset (RP2040 and RP2350) or a physical reset (RP2040 only)

MM.INFO(PERSISTENT)
' recovers any value saved as above

PIO INIT MACHINE pio%,
statemachine%, clockspeed
[,pinctrl] [,execctrl] [,shiftctrl]
[,startinstruction] [,sideout [,setout] [,outout]

sideout, setout, and outout can be set to 0 (default) or 1 to specify if pins defined in pinctrl should be initialised as inputs (0) or outputs (1)

Quote EDIT FILE "fname" from the program seems to be broken
(causes an incomprehensible error in the function that returns the file name to this command)

Please provide a SHORT program that demonstrates this issue - can't replicate

Dim a%(9)=(1,2,3,4,5,6,7,8,9,10)
Sub test
Local b%=77
Edit File getfile()
Print b%
End Sub
test
Math v_print a%()
Do
Loop
Function getfile() As string
getfile="b:/solar_eclipse"
End Function

Edited 2025-01-22 20:38 by matherp

Volhout
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Location: Netherlands
Posts: 4853

Posted: 10:54am 22 Jan 2025

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Thanks Peter,

This is very much appreciated...

Harm

PicomiteVGA PETSCII ROBOTS

javavi

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Joined: 01/10/2023
Location: Ukraine
Posts: 436

Posted: 04:42pm 22 Jan 2025

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matherp said V6.00.02b2 is now available on

Quote EDIT FILE "fname" from the program seems to be broken
(causes an incomprehensible error in the function that returns the file name to this command)

Please provide a SHORT program that demonstrates this issue - can't replicate

Dim string T$(4)
T$(1)="test.bas"

test
Do :Loop

Sub test
Print GetFile(1)
Edit File GetFile(1)
End Sub

Function GetFile(index) As string
GetFile=T$(index)
End Function

[13] GetFile=T$(index)
Error : T is not declared

Before PicoMite version 6.00.02 this worked fine.
Edited 2025-01-23 03:39 by javavi

PhenixRising
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Joined: 07/11/2023
Location: United Kingdom
Posts: 1139

Posted: 08:53pm 22 Jan 2025

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Just testing the "persistent"

BUT...

JohnS
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Joined: 18/11/2011
Location: United Kingdom
Posts: 3996

Posted: 09:44pm 22 Jan 2025

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javavi said

Dim string T$(4)
T$(1)="test.bas"

test
Do :Loop

Sub test
Print GetFile(1)
Edit File GetFile(1)
End Sub

Function GetFile(index) As string
GetFile=T$(index)
End Function

[13] GetFile=T$(index)
Error : T is not declared

Before PicoMite version 6.00.02 this worked fine.

Is it OK to "doubly specify" string?

I expected either
Dim string T(4)
or
Dim T$(4)

I think it ought to be allowed but is it?

John
Edited 2025-01-23 07:45 by JohnS

phil99

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Joined: 11/02/2018
Location: Australia
Posts: 2415

Posted: 09:59pm 22 Jan 2025

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Dim string T$(4)
> T$(1)="test.bas"
> ? T$(1)
test.bas
> Dim string z%(4)
Error : Conflicting variable type
>

So not the issue.

JohnS
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Joined: 18/11/2011
Location: United Kingdom
Posts: 3996

Posted: 10:19pm 22 Jan 2025

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phil99 said

Dim string T$(4)
> T$(1)="test.bas"
> ? T$(1)
test.bas
> Dim string z%(4)
Error : Conflicting variable type
>

So not the issue.

That's not proof, sadly, though it makes it a bit more likely that it doesn't mind.

Depends what the C code actually does.

John

matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 10063

Posted: 10:48pm 22 Jan 2025

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Its a bug I've introduced when I removed the size limit on EDIT FILE
Will fix

MATH PID CLOSE gives a syntax error - I wonder why? Perhaps the manual will help (page 128)

PhenixRising
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Joined: 07/11/2023
Location: United Kingdom
Posts: 1139

Posted: 12:57am 23 Jan 2025

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matherp said MATH PID CLOSE gives a syntax error - I wonder why? Perhaps the manual will help (page 128)

So it was a thing and now it's not?

This has been running fine (without REMs on older firmware):

I got it from the original example:

Just tested with the REMs and works great

The manual points to the original example which includes MATH PID CLOSE

Edited 2025-01-23 11:10 by PhenixRising

Volhout
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Joined: 05/03/2018
Location: Netherlands
Posts: 4853

Posted: 02:05pm 23 Jan 2025

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@Peter,

Thanks for the functional framebuffer L in mode 1.

Volhout

PicomiteVGA PETSCII ROBOTS

electricat

Senior Member

Joined: 30/11/2020
Location: Lithuania
Posts: 294

Posted: 09:02am 24 Jan 2025

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setup --> PICO2 RP2350A , HDMI, USB

For some reason, there is no picture after flashing with PicoMiteHDMIUSBV6.00.02b2.uf2
Nuked, flashed, re-nuked, re-flashed several times, re-downloaded archive - no picture.

Flashing back 2024-12-30_183756_PicoMiteRP2350V6.00.01 --> PicoMiteHDMIUSBV6.00.01.uf2 and everything again works OK.

Not a first time I am flashing firmwares.
But I am lost this time.

(Was highly interested to test I2S sound)

My MMBasic 'sand box'

matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 10063

Posted: 09:21am 24 Jan 2025

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Just tested and it works fine for me. Try OPTION RESET

matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 10063

Posted: 09:46am 24 Jan 2025

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I've re-uploaded V6.00.02b2 on

https://geoffg.net/Downloads/picomite/PicoMite_Beta.zip

Fixes a bug when passing a function as a parameter to EDIT FILE in a program.
No other changes

electricat

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Joined: 30/11/2020
Location: Lithuania
Posts: 294

Posted: 10:52am 24 Jan 2025

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It might be something with my HW then (hand made PCB, simplified. With unpopulated MCP2221A, adafruit HDMI adapter, cheap but acceptable DS1307 ).
Tried FW you just uploaded - no picture. Tried different monitor - no joy.

Repeatedely flashed to official PicoMiteHDMIUSBV6.00.01 and picture comes back imediately.

For RP2350A I shoud use this file, yes ? -- > PicoMiteHDMIUSBV6.00.02b2.uf2

It might be interestig for You, what people are making: my home made toy :)

My MMBasic 'sand box'

matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 10063

Posted: 11:03am 24 Jan 2025

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Boot 6.00.02b2 as normal and even though there isn't a picture type MODE 2
Tell me what happens please

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