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1.3inch 65K FullColorLCD 240x240dot [ST7789V]

 
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O-Family

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Joined: 23 May 2010
Posts: 320
Location: Japan
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PostPosted: Fri May 31, 2019 1:20 am    Post subject: 1.3inch 65K FullColorLCD 240x240dot [ST7789V] Reply with quote
Various small color LCDs used for smart watches etc. are sold.
Many of these LCD controllers are compatible devices, so it can be handled by slightly modifying the library.

Circuit diagram
https://drive.google.com/file/d/1Sg3bAcDfnX1TTHHkqau4SkWC39hGrNf3/view?usp=sharing
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albertsm

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Joined: 09 Apr 2004
Posts: 5915
Location: Holland
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PostPosted: Sat Jun 01, 2019 8:05 pm    Post subject: Reply with quote
Hello O-Family,

Thank you for this lib. Indeed these small lcd are good for many projects.
Thanks for the clear circuit and sample code Very Happy
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O-Family

Bascom Expert



Joined: 23 May 2010
Posts: 320
Location: Japan
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PostPosted: Mon Jan 04, 2021 11:37 am    Post subject: Reply with quote
The bug in the original [glcd-ST7735R.lib] was not fixed.
It does not work if A0=[DC] and Sclk=[SCK] are assigned to another port.
Please use the new library (libversion = 002).
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Sarek

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Joined: 15 Oct 2009
Posts: 72

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PostPosted: Mon Aug 29, 2022 9:12 am    Post subject: Reply with quote
I try to use this lib with ATXMEGA128A3U.

But I get this compiler errors:

Code:

Error : 221   Line :   231   Backward jump out of range [_CLEAR_GRAPH1 [ 86]]  , in File : C:\MCS\BASCAVR2082\LIB\GLCD-ST7789V_1R3_240X240.LIB
Error : 221   Line :   233   Backward jump out of range [_CLEAR_GRAPH2 [ 89]]  , in File : C:\MCS\BASCAVR2082\LIB\GLCD-ST7789V_1R3_240X240.LIB
Error : 221   Line :   235   Backward jump out of range [_CLEAR_GRAPH3 [ 92]]  , in File : C:\MCS\BASCAVR2082\LIB\GLCD-ST7789V_1R3_240X240.LIB
 


What can be the cause for this behaviour?
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O-Family

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Joined: 23 May 2010
Posts: 320
Location: Japan
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PostPosted: Tue Aug 30, 2022 1:49 am    Post subject: Reply with quote
Mrshilov's original library did not support Xmega.
Please use revision 003.
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