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TrevorH
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Posted: 11 July 2018 at 3:19am | IP Logged Quote TrevorH

Peter,

Text command doesn't print text just blobs still using v21 as before.

Trevor


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matherp
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Posted: 11 July 2018 at 4:38am | IP Logged Quote matherp

Quote:
Text command doesn't print text just blobs still using v21 as before.


Give me more of a clue. What TFT, what OPTION command? Specific text command? Which version are you running?

Edited by matherp on 11 July 2018 at 4:39am
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TrevorH
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Posted: 11 July 2018 at 5:06am | IP Logged Quote TrevorH

TFT is SSD1963 5inch using OPTION SSD1963_5_16, Landscape, "TEXT x, y, "Hello World",,2".
The version is 5.04.21 and blobs are black (using cls rgb(white)).
It looks like not picking up the font data, the size seems to work. box and circle works OK, not tested everything or 7inch.

Trevor.
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matherp
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Posted: 11 July 2018 at 7:21am | IP Logged Quote matherp

Please try latest version and report

Edited by matherp on 11 July 2018 at 7:22am
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TrevorH
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Posted: 11 July 2018 at 9:11am | IP Logged Quote TrevorH

Right have loaded 5.04.23, now text command prints garbage(it looks like backward slanting text all bits scrambled) white on black same size whatever size or colour I set.
The GUI BUTTON seems to work only if I set FC to RED, font sizes do work OK.

Hope this helps.

Trevor.
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TassyJim
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Posted: 11 July 2018 at 1:13pm | IP Logged Quote TassyJim

Still having issues with my SD card module.
I bought a couple of high speed cards but no go.
I went back to the earlier version of MMBasic with the SPI interface and that works OK with the same module.
I have to assume that my module is faulty and have ordered another one.
The one I have been using looks the same as yours. The replacement is different.

The bad news is, it will take a month or so for the new module to arrive.

In the mean time, I will try the 2.2 ohm resistor and 10uF cap modification.

Jim


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TassyJim
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Posted: 11 July 2018 at 5:05pm | IP Logged Quote TassyJim

Progress.
I added the power supply filters and now I can use one of my SD cards. It is a slow one, not the high speed ones I purchased.
Other 'identical' cards don't work.
This means I have a working system to keep me going until the new SD card module arrives.

Jim



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matherp
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Posted: 11 July 2018 at 5:20pm | IP Logged Quote matherp

Quote:
Right have loaded 5.04.23, now text command prints garbage(it looks like backward slanting text all bits scrambled) white on black same size whatever size or colour I set.
The GUI BUTTON seems to work only if I set FC to RED, font sizes do work OK.


Sounds like your display isn't keeping up with the data rate. I'm driving the display as fast as possible. Please try two other drivers in 5.4.23 and let me know.

OPTION SSD1963_5, Landscape 'runs the display in 8-bit mode
OPTION SSD1963_5_BUFF, Landscape 'uses a full framebuffer - but limits user memory

Please also try V5.04.09 on page 2 of this thread as that definitely worked but note the RS pin is different on this early release

Quote:
I added the power supply filters and now I can use one of my SD cards. It is a slow one, not the high speed ones I purchased.
Other 'identical' cards don't work.
This means I have a working system to keep me going until the new SD card module arrives.


Jim: You might want to try changing the resistors on the MicroSD I/F card, Mine are 1K which seems unnecessarily high. 100ohm would be fine or even 0ohm.

Thanks to all for your continued testing



Edited by matherp on 11 July 2018 at 6:16pm
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TrevorH
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Posted: 11 July 2018 at 7:04pm | IP Logged Quote TrevorH

Peter,

I have tested both other drivers on 5.04.23 and the 8bit one the text became almost readable.
The earlier drivers I had no success at all, after loading the .elf file OK, back in MMedit I couldn't load basic file to nucleo although cmd line calls worked eg. cls, "error talking to Micromite" if I recall.

I think you are correct about the speed, I had this problem with my CPLD driver when I tried to speed things up. I had to introduce "nop"s into the WR toggle to get the display to accept the data.
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matherp
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Posted: 11 July 2018 at 7:14pm | IP Logged Quote matherp

Quote:
I have tested both other drivers on 5.04.23 and the 8bit one the text became almost readable.


Just to be sure.... You are powering the display separately from the Nucleo? The display takes more on the 3V3 line than the Nucleo can supply. LD5 the overcurrent LED will flash to indicate this.

I use an external 3V3 supply to the display with the grounds connected.
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TrevorH
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Posted: 11 July 2018 at 7:27pm | IP Logged Quote TrevorH

I am powering display separately and LD5 is off. Just tried something else, if I do text with FC red the text is OK with some errors. I will try and do some tests with my 7inch SSD1963 display tonight, it is possible not all displays work as fast as others?? maybe.

Can't do any more this afternoon, grand-kids sports day!

PS. do you have NO wait states in the WR toggle.

Trevor.
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TrevorH
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Posted: 11 July 2018 at 7:43pm | IP Logged Quote TrevorH

Still here,

I have done a few more tests and the corruption is definitly when FC is WHITE, also
when using other colours for FC if I define the BC, errors disappear.

Trevor.
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