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Bleep
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Joined: 09/01/2022
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Posted: 03:50pm 21 Nov 2023

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Hi Peter, or anyone else who might know.
The Wii Classic controller that you have now added to the firmware, is it 3.3V compatible, i.e. can directly connect to Pico, or are level shifters required?
Regards, Kevin.

Mixtel90

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Posted: 03:59pm 21 Nov 2023

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Officially it's a 3V3 device, I believe. No level shifters needed.
Edited 2023-11-22 02:00 by Mixtel90

Mick

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Preliminary MMBasic docs & my PCB designs

matherp
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Posted: 04:12pm 21 Nov 2023

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Certainly I'm not using any works fine with 3.3V as the power. You do need pullups on the I2C lines

Bleep
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Posted: 05:17pm 21 Nov 2023

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Thanks for your answers, I've ordered one on Ebay. :-)
See what turns up!

karlelch

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Joined: 30/10/2014
Location: Germany
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Posted: 08:51pm 22 Nov 2023

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matherp said MATH SHIFT inarray%(), nbr, outarray%()

This command does a bit shift on all elements of inarray%() and places the result in outarray%() (may be the same as inarray%()). nbr can be between -63 and 63. Positive numbers are a left shift (multiply by power of 2). Negative number are a right shift.

MATH AND inarray1%(), inarray2%(), outarray%()
MATH OR inarray1%(), inarray2%(), outarray%()

These commands may be a good addition to MATH SHIFT

(Rather than complex numbers, IMHO)

Cheers
Thomas

matherp
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Posted: 06:49pm 23 Nov 2023

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Tom and/or anyone else:

Do you have a test suite for the PicoMite? I'm in the middle of a massive edit to both improve some of the error checking in parsing and remove huge quantities of duplicate code (MATHS.C reduced by c800 lines of code). This should also increase the amount of flash available for the A: drive.
It is highly likely that there will be some cut-and-paste errors which would be good to find before releasing more widely.
Let me know and I'll post or send some test firmware
Edited 2023-11-24 04:53 by matherp

thwill

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Posted: 07:05pm 23 Nov 2023

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Yes. I have an automated test suite but it is far from comprehensive and MATH is certainly one of the areas poorly covered. However I can't commit to running tests until Sun/Mon and it's all driven from MMB4L so difficult for you to run for yourself.

Best wishes,

Tom
Edited 2023-11-24 05:07 by thwill

Game*Mite, CMM2 Welcome Tape, Creaky old text adventures

matherp
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Posted: 07:12pm 23 Nov 2023

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Thanks Tom, No probs on the timing. I'll post when all done.

This is one of a set of routines that will save the space. Its been on my to-do list forever to get round to this. Gerry: these changes should also free up a lot of flash on the ArmmiteF4.

int parsefloatrarray(unsigned char *tp, MMFLOAT **a1float, int argno, int dimensions, short *dims, bool ConstantNotAllowed){
void *ptr1 = NULL;
int i,j;
ptr1 = findvar(tp, V_FIND | V_EMPTY_OK | V_NOFIND_ERR);
if((vartbl[VarIndex].type & T_CONST) && ConstantNotAllowed) error("Cannot change a constant");
if(dims==NULL)dims=vartbl[VarIndex].dims;
if(vartbl[VarIndex].type & T_NBR) {
memcpy(dims,vartbl[VarIndex].dims, MAXDIM * sizeof(short));
*a1float = (MMFLOAT *)ptr1;
if((uint32_t)ptr1!=(uint32_t)vartbl[VarIndex].val.s)error("Syntax");
} else error("Argument % must be a floating point array",argno);
int card=1;
if(dimensions==1 && (dims[0]<=0 || dims[1]>0))error("Argument % must be a 1D floating point array",argno);
if(dimensions==2 && (dims[0]<=0 || dims[1]<=0 || dims[2]>0))error("Argument % must be a 2D floating point array",argno);
for(i=0;i<MAXDIM;i++){
j=(dims[i] - OptionBase + 1);
if(j)card *= j;
}
return card;
}

Edited 2023-11-24 05:17 by matherp

disco4now

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Posted: 10:37pm 23 Nov 2023

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matherp said Gerry: these changes should also free up a lot of flash on the ArmmiteF4.

I will keep and eye on this.
thanks
Gerry

Latest F4 Latest H7

Volhout
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Posted: 11:53am 26 Nov 2023

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Peter,

Is there any reason to run the audio pwm at 32 kHz when playing MOD files. I assume it should be a multiple of 8kHz? Why not 40kHz or 48kHz.
The audio filter is not performing optimal for 32kHz. 40kHz or 48 would be beter.

Volhout
Edited 2023-11-26 21:54 by Volhout

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thwill

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Posted: 11:56am 26 Nov 2023

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Peter,

I have been dusting off my unit-tests in anticipation of your refactoring work and found this wrinkle which is invalid on the PicoMite (but valid on MMB4L):

> Dim sys.VERSION As Integer= 123456
Error : Variable type
> Dim sys.VERSION AS Integer = 123456
>

IMO it should be able to handle the "missing" space.

Best wishes,

Tom

Game*Mite, CMM2 Welcome Tape, Creaky old text adventures

homa

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Posted: 05:52pm 27 Nov 2023

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Hello Peter,
the new version with support for the VS1053 is awesome!!! Thanks for that.

I have noticed that the version WebMite 5.07.08RC21
> option list
WebMite MMBasic Version 5.07.08RC21
OPTION SYSTEM SPI GP10,GP11,GP12
OPTION COLOURCODE ON
OPTION LCDPANEL ILI9488W, RLANDSCAPE,GP8,GP15,GP9,GP13
OPTION TOUCH GP16,GP17
GUI CALIBRATE 0, 281, 3950, 1305, -885
OPTION SDCARD GP22

has a bug with the command "backlight n".
It is actually supposed to be dimmed to the percentage value n. But at <100 the light goes off and at backlight 100 it goes on again. But with an old version without WebMite (PicoMite 5.07.01?!?, I can look it up again if necessary) it works.
Can you please check this?

Matthias

vegipete

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Posted: 06:17pm 27 Nov 2023

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Is there a possibility of AUTOSAVE (and optionally APPEND) getting an optional filename$ parameter?

Yes, this closely matches XMODEM SEND, but it would allow chucking a (non-MMBasic) file out the serial port at the PicoMite without actually typing anything.

I do my writing/editing mostly on a PC. The first line of my program code is "autosave". I just copy-all from the editor (Notepad++) and paste to the terminal emulator (Teraterm). The ability to autosave to a file would make text file transfers simpler. Now, a text file replaces the active MMBasic program, and needs a manual save. Then the basic program must be reloaded.

Visit Vegipete's *Mite Library for cool programs.

TassyJim

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Joined: 07/08/2011
Location: Australia
Posts: 6099

Posted: 07:26pm 27 Nov 2023

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homa said
has a bug with the command "backlight n".
It is actually supposed to be dimmed to the percentage value n. But at <100 the light goes off and at backlight 100 it goes on again.
Matthias

Different displays are wired differently. Somme will work as expected (like mine) and some will be inverted. Even the same driver chip will have versions that differ with the backlight.

Jim

VK7JH
MMedit MMBasic Help

homa

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Posted: 09:58pm 27 Nov 2023

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TassyJim said

Different displays are wired differently. Somme will work as expected (like mine) and some will be inverted. Even the same driver chip will have versions that differ with the backlight.

Jim

BUT it is the same display! And the old firmware works: PicoMite MMBasic Version 5.07.01

> gui test lcdpanel
> backlight 10
> backlight 20
> backlight 30
> backlight 40
> backlight 100
> option list
OPTION COLOURCODE ON
OPTION SDCARD GP22
OPTION SYSTEM SPI GP10,GP11,GP12
OPTION SYSTEM I2C GP26,GP27
OPTION LCDPANEL ILI9488W, RLANDSCAPE,GP8,GP15,GP9,GP13
OPTION RTC AUTO ENABLED
OPTION TOUCH GP16,GP17
GUI CALIBRATE 0, 251, 3862, 1278, -854
PicoMite MMBasic Version 5.07.01
Copyright 2011-2021 Geoff Graham
Copyright 2016-2021 Peter Mather

>

phil99

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Joined: 11/02/2018
Location: Australia
Posts: 2135

Posted: 11:08pm 27 Nov 2023

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Two tests to see what is going on.

1) Set an AIN pin and wire it to the Pico BL pin, via an RC filter and see what the output is as you change the Backlight setting.
Or monitor it with a voltmeter, via an RC filter.

2) Test the display by re-routing its BL pin to a PWM pin and see what happens as you vary that.

Edit
Loaded your settings on a WebMite RC21 and got 50kHz on GP13 with duty-cycle varying in proportion to Backlight setting. Tested from 5% to 95%.
Except Backlight 0 no PWM just 0V
and Backlight 100 no PWM just 3.3V

If you only get On and Off from GP13 perhaps PWM is not making it to that pin.
Change Backlight to another pin and setup GP13 with PWM to see if that works.
Edited 2023-11-28 13:12 by phil99

matherp
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Posted: 08:40am 28 Nov 2023

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Phil

Thanks for confirming it is all working - saves me breaking out the scope.
I did make a change recently to increase the PWM frequency from 1KHz to 50KHz to take it out of the audio range as it was introducing interference on audio. Why this should have an impact on homa's display I don't know.

matherp
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Posted: 11:41am 28 Nov 2023

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Tom

Are you using the inverted mono audio capability? If not I'll remove it as it uses quite of lot of RAM in the interrupt routine

thwill

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Posted: 11:51am 28 Nov 2023

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matherp said Tom,
Are you using the inverted mono audio capability? If not I'll remove it as it uses quite of lot of RAM in the interrupt routine

No, I am not using it and IMO it can be removed. I appreciate you having added it and I did play with it for some time before deciding it was unsuitable for the Game*Mite because it made porting programs that used PLAY functions other than PLAY SOUND unnecessarily difficult. It also helped that I had in the meantime discovered that I could get adequate sound by just wiring up "half" of the PAM8302A.

Thanks,

Tom
Edited 2023-11-28 21:52 by thwill

Game*Mite, CMM2 Welcome Tape, Creaky old text adventures

phil99

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Posted: 12:53pm 28 Nov 2023

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Edit
Ignore the rubbish below. Just a Seniors Moment. Copy'n'paste error.

I don't know if this is related to Homa's Backlight issue but there seems to be a little quirk. When setting the backlight to gp17 (lowercase) it came out on GP7 instead. Both in Option List and the actual pin. If uppercase GP17 is used backlight is on GP17. Standard PicoMite.

> OPTION LCDPANEL ILI9488, RLANDSCAPE,GP15,GP14,GP13,GP7,gp17
PicoMite MMBasic Version 5.07.08RC21
Copyright 2011-2023 Geoff Graham
Copyright 2016-2023 Peter Mather

> option list
PicoMite MMBasic Version 5.07.08RC21
OPTION SYSTEM SPI GP18,GP19,GP16
OPTION SYSTEM I2C GP8,GP9
OPTION DISPLAY 60, 128
OPTION LCDPANEL ILI9488, RLANDSCAPE,GP15,GP14,GP13,GP7
OPTION TOUCH GP12,GP11
GUI CALIBRATE 0, 3820, 408, -1306, 946
OPTION SDCARD GP22

> OPTION LCDPANEL disable

PicoMite MMBasic Version 5.07.08RC21
Copyright 2011-2023 Geoff Graham
Copyright 2016-2023 Peter Mather

> OPTION LCDPANEL ILI9488, RLANDSCAPE,GP15,GP14,GP13,GP17
PicoMite MMBasic Version 5.07.08RC21
Copyright 2011-2023 Geoff Graham
Copyright 2016-2023 Peter Mather

> option list
PicoMite MMBasic Version 5.07.08RC21
OPTION SYSTEM SPI GP18,GP19,GP16
OPTION SYSTEM I2C GP8,GP9
OPTION DISPLAY 60, 128
OPTION LCDPANEL ILI9488, RLANDSCAPE,GP15,GP14,GP13,GP17
OPTION TOUCH GP12,GP11
GUI CALIBRATE 0, 3820, 408, -1306, 946
OPTION SDCARD GP22
>

This is repeatable.
Edited 2023-11-28 23:03 by phil99

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