Problem with ST7920

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kvazi
Posts: 2
Joined: Thu Jul 13, 2017 6:54 pm

Problem with ST7920

Post by kvazi » Fri Jul 14, 2017 2:51 pm

hi, i have a problem with display 128x64
i connect it to my STM32F103C8 with

const int MOSIpin = PB6;
const int SCLKpin = PB7;

everything is good)

Image

but when the scatch more then 61480 byte
on display i see..

Image

whats wrong???
i try it with my other stm32f103cB

but trouble is the same(

vargham
Posts: 18
Joined: Thu Jan 26, 2017 3:49 pm

Re: Problem with ST7920

Post by vargham » Fri Jul 14, 2017 3:38 pm


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Rick Kimball
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Location: Eastern NC, US
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Re: Problem with ST7920

Post by Rick Kimball » Fri Jul 14, 2017 3:57 pm

are you using an uint16_t for your addresses?
-rick

kvazi
Posts: 2
Joined: Thu Jul 13, 2017 6:54 pm

Re: Problem with ST7920

Post by kvazi » Fri Jul 14, 2017 4:30 pm

i use library (Lcd7920_STM) from https://github.com/rogerclarkmelbourne/ ... cd7920_STM

and i use bootloader (upload scatch via USB connection)
http://wiki.stm32duino.com/index.php?title=Blue_Pill

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