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Forum Index : Microcontroller and PC projects : Fun with the Library (Pico 2 Gamma system)

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Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 6764
Posted: 08:57pm 02 Oct 2024
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lib src.zip

This is my current library source file. I'm no programmer so it's pretty ropey, but it illustrates some of the things that the Library can be used for.

If you aren't using a Library then using this will create it, but you will have to modify the file first as it won't suit your hardware! It will use flash slot 3 so make sure that there's nothing on there.

Simply unzip it and save "lib src.BAS" to your SD card or XMODEM it over. In particular check out the way that SUB LED will attempt to control your non-existent front panel LED. :)

Once you have saved the modified file (you'll lose it forever if you don't) use LIBRARY SAVE to create your library. The source file will magically disappear from the editor.

Enter Help at the command line to play with the (rather skimpy at this stage) help system. I programmed the F1 key to do it.
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
PhenixRising
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Joined: 07/11/2023
Location: United Kingdom
Posts: 855
Posted: 05:37am 03 Oct 2024
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Thanks Mick, quite a bit of stuff here that I was unaware of (shouldn't be the case with spending so much time here)

Question: Is this block comment for real? MMEdit doesn't recognize it.


/*
Look after this file And keep backups!
It is awkward to maintain the Library without it.

How to use this file:
1 . Make your changes in the editor
2 . Save it - A VERY IMPORTANT STEP!!!
3 . At the command line LIBRARY DELETE
4 . At the command line LIBRARY SAVE
The revised library is now active - and has disappeared from the editor.

You did remember step 2, didn't you??

You can add SUBs etc directly to the library without using this file
but I don't recommend it as making deletions or other changes in the
library is a bit of a pain as you have lost all the lovely comments.
*/
 
Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 6764
Posted: 06:39am 03 Oct 2024
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No idea about MMEdit, I don't use it. Yes, it's been valid in MMBasic for a while now.
It's even shown at the beginning of LIST COMMANDS.
Mick

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

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Joined: 07/08/2011
Location: Australia
Posts: 6092
Posted: 07:33am 03 Oct 2024
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In MMEdit program menu there is a "convert C type comments"
So it doesn't display then correctly but does know about them.

Peter keeps giving me challenges. That is one that needs major changes to implement.

Jim
VK7JH
MMedit   MMBasic Help
 
phil99

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Joined: 11/02/2018
Location: Australia
Posts: 2133
Posted: 04:27am 04 Oct 2024
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Once you have saved the modified file (you'll lose it forever if you don't) use LIBRARY SAVE
Well almost, but not quite.
> AUTOSAVE
Sub mm.startup
Local i%, C$="'This runs automatically once only on power up/reset"
For %i=1 To 40
If MM.Info(pin i%)="OFF" Then SetPin i%, DIN, PULLUP
Next
End Sub
>
Saved 164 bytes
> library save
Library Saved 152 bytes
> Library list
Sub mm.startup
Local i%, C$="'This runs automatically once only on power up/reset"
For %i=1 To 40
If MM.Info(pin i%)="OFF" Then SetPin i%, DIN, PULLUP
Next
End Sub
>
You can preserve important comments as strings.
To edit within the Pico save your current program then copy the output of Library List to the clipboard, press F10, paste clipboard then Ctrl-Z then F4.

When done:-
> library delete
> library save
>

It is very clumsy but if you are desperate it can be done.
 
Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 6764
Posted: 06:36am 04 Oct 2024
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Handy to know about stringy comments and that all is not lost. Thanks Phil. :)
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 6764
Posted: 01:26pm 15 Oct 2024
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Some tweaks to my Library code to make the introductory page nicer:

Changes in SUB mm.startup to put the function keys along the bottom like the editor:

Sub mm.startup 'This runs automatically once only on power up/reset
 Local i
 'The following puts unused pins into a stable state for the RP2350
 For i=1 To 40
  If MM.Info(pin i)="OFF" Then SetPin i, DIN, PULLUP
 Next

 SetPin gp20, dout

 led 2,1,4  'make it a pretty colour. :)
 Print "== PicoGAME 2350 GAMMA =="
 i = MM.Info(FONTHEIGHT)
 Line 0,(MM.VRes-i*2-4),MM.HRes,(MM.VRes-i*2-4)
 Print @(0,MM.VRes-i*2);
 Print "F1:Help   F2:Run   F3:List   F4:Editor   F5:CLS";
 Print @(0,MM.VRes-i);
 Print "F9:FE  F10:Autosave  F11:XMODEM Rec.  F12:XMODEM Send";
 Print @(0,50);
End Sub


A GPIO pins list added to Help/Utilities:

Case "p"
    'Note: these Case statements are specific to this system
    Print " Pin  GPIO  Description"
    Print
    For i=0 To 28
     If (i<12 Or i>19) Then
      a$=Str$(i)
      Print "("Str$(MM.Info(pinno "GP"+a$),2)")";
      Print "  GP"+Str$(i,2);"  ";
      Select Case i
       Case 10,11
        Print "Audio"
       Case 4,5,6,7
        Print "SD Card"
       Case 8,9
        Print "Console - COM2"
       Case 2,3
        Print "System I2C & front socket - I2C2"
       Case 20
        Print "Front panel LED"
       Case 0,1
        Print "ESP8266 & front socket - COM1 & I2C"
       Case 21,22,26,27,28
        Print "User GPIO port"
       Case Else
        Print "-See MMBasic manual-"
      End Select
     EndIf
    Next


My menu selection system now uses a little Function to tidy things up. For example:

Print "Help categories available are:"
 Print "[A]bout  ibrary   [S]ound   [D]evice   [M]ath"
 Print "dsplay  [K]eyboard          tility  [Esc]"

 Select Case _hmen0$("ALSDMIKU")
 Case "a"
   ....
 Case "l"
   ....


Which uses this Function:

Function _hmen0$(a$) 'used internally for menu choice
Local k$
Do
 k$=UCase$(Inkey$)
Loop Until Instr(a$,k$) Or Asc(k$)=27
Print
_hmen0$ = LCase$(k$)
End Function





LOL! I see that the CODE commands don't protect against everything. :) I just reset them at the end.
.
Edited 2024-10-15 23:32 by Mixtel90
Mick

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