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matherp
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Posted: 06:16am 20 Mar 2015

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Geoff has agreed that I can share the PIC32MX470 beta on the BB for general testing.

2015-03-20_172601_Micromiteb11.zip

This firmware runs on both the 64-pin and 100-pin MX470s, but not, of course, on the MX170s.

To make it a bit more interesting I have included all the TFT handling routines from the ARMmite in the firmware. See this thread for details of how to use the various graphics commands. This means TFT displays can be driven directly from Basic with no need of CFunctions. All display types and fonts supported on the ARMmite are also available on the MX470. The only differences are that you can only select SPI channel 1 or 2 on the Microchip version and parallel connections are made to PORTB pins - see the pinout below.

Other than that the firmware is pretty much identical to 4.6B on the MX170

The only notable addition is a second SPI channel. The commands to control this are identical in syntax to the original SPI commands detailed in the 4.6 manual e.g

SPI2 {OPEN, READ, WRITE} etc.
I=SPI2(N)

and on the MX470 you can select CPU speeds up to 96MHz. Valid speeds are: 5, 10, 20, 30, 40, 48, 64, 72, 80, 96

It is not possible to read the internal reference voltage on the MX470 with a=pin(0). This is due to a Microchip silicon fault.

The pinout for the two versions of the MX470 are as follows:

Edited by matherp 2015-03-21

Grogster

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Joined: 31/12/2012
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Posted: 03:48pm 20 Mar 2015

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Excellent.

I will flash this into my 64, and then when the LCD arrives, I can control it directly with some BASIC commands.

Awesome.

Smoke makes things work. When the smoke gets out, it stops!

atmega8

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Joined: 19/11/2013
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Posted: 09:11pm 20 Mar 2015

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Hi,

is a PCB available for this MX470?

MicroBlocks

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Posted: 09:17pm 20 Mar 2015

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atmega8 said Hi,

is a PCB available for this MX470?

Yes there is!

Microblocks. Build with logic.

Grogster

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Posted: 09:18pm 20 Mar 2015

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There is my SkinnyMite, which is the 64-pin one. I have not yet designed a 100-pin one, but other members have made mock-ups to suit themselves.

Smoke makes things work. When the smoke gets out, it stops!

atmega8

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Posted: 11:56pm 20 Mar 2015

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Where can i buy/order a skinny mite?
board Price
shippment Price (Germany) ?

THX

WhiteWizzard
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Joined: 05/04/2013
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Posts: 2933

Posted: 12:32am 21 Mar 2015

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@atmega8

I have some of Grogster's SkinnyMite (v1A) PCBs.
I can post PCBs via AirMail on Monday to be with you by end of the week.
If you want it populated then I would need to order some more 64pinnners as totally out of stock. They would arrive to me on Wednesday if you want the PIC too.
Full or partial populated PCBs are available too - just let me know . . .

The PCBs/64/100 pinners are not on MicroMite.org yet so please do PM me if you're interested in a combination!

Zonker

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Joined: 18/08/2012
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Posted: 06:08am 21 Mar 2015

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This is awesome..!

Just got the "B11" shot into the SkinnyMite...

I have the 1.8" 128x160 and the 2.4" 240x320 touch displays to test with...

Workin on it....

atmega8

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Posted: 07:07am 21 Mar 2015

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Hi, WhiteWizzard,

i'am interested on a PCB populated with a MX 470.
You can PM me.

Dietmar

atmega8

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Posted: 07:08am 21 Mar 2015

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Hi, WhiteWizzard,

do you also have a compatible TFT, with max. size ;-) ?

THX

Zonker

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Posted: 09:58am 21 Mar 2015

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Humm...

I have been trying to init the 1.8" display that I ordered from here using the ST7735 as the display type. I have the display working with the 170 28pinner using CFunctions. However, it has the S6D02A1 controller and I was wondering if the ST7735 selection is correct for this unit... I tried both SPI port selections but no go... Do you have to OPEN the SPI port before calling the display open command..? Head scratching...

' 1.8" LCD Test for B11 470 firmware

CPU 48
display open ST7735,1,11,3,2,128,160
pause 500
display 4,4,4,yellow,black,"Test"
do
loop

workin on it....

matherp
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Posted: 12:55pm 21 Mar 2015

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Quote However, it has the S6D02A1 controller

I'm afraid the code won't work with the S6D02A1 as it needs different initialisation. I haven't got a S6D02A1 to set up and test - sorry.

Zonker

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Posted: 02:28pm 21 Mar 2015

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No prob...

I will move over to the 2.4" unit and have a play with that one...

Thanks for the excellent rollout...!

Edit: All seems to be working well with the 2.4" display...
Got a simple keyboard worked out...
Will get the touch hooked up tomorrow...

Edited by Zonker 2015-03-23

matherp
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Posted: 10:55pm 21 Mar 2015

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Zonker

Please list some working S6D02A1 code and I'll have a go at implementing it into the next firmware release - then you can test it

Zonker

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Posted: 09:43am 22 Mar 2015

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Sweet..!

No problem fine Sir, this was one of your CFunctions for this S6D02A1 type beast. when running, it's just a basic demo doing some useful stuff...

The code was spun up for the 28pinner...
2015-03-22_194229_time-temp-volt_Demo_-_DIP-600-28_-_170core.zip

EDIT: I found the original code that I started from...

2015-03-22_203844_TFT-S6D02A1-SPIb.zip

I hope this helps...!
Edited by Zonker 2015-03-23

matherp
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Posted: 12:44am 23 Mar 2015

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Zonker

I've included support for the S6D02A1 in b13 . I'd appreciate if you could test it. It is also included in b20 for the ARMmite so please test that as well once you get the Discovery board up and running

Thanks

PeterEdited by matherp 2015-03-24

Zonker

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Posted: 06:10pm 23 Mar 2015

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MM v4.6++ B13 seems to work fine with the 1.8" TFT LCD Display using the S6D02A1...

I posted the feedback on the SkinnyMite Players thread...

Once again,

Thank you Dr. Awesome..!

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