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楼主: cmlbay54

[Question]There must be a way to use Dgus memory ??

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 楼主| 发表于 2020-3-17 21:15:03 | 显示全部楼层
unfortunately i can't succeed...  I want to explain with an example:
** The address I want to write: 0x01DE0000
** the value I want to save on this address: 0x0554 (2 byte)
I did it like this:
for writing,  Tx:  AA 90 55 AA 5A A5 01 DE 00 00 05 54 CC 33 C3 3C
for reading, Tx:  AA 91 01 DE 00 00 00 02 CC 33 C3 3C
I do it this way, but it does not work.
where am i making a mistake?
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 楼主| 发表于 2020-3-17 21:59:07 | 显示全部楼层
I Don't Receive any Rx value  after send  "AA 91 01 DE 00 00 00 02 CC 33 C3 3C" command. For this reason I can't read at 01 DE 00 00 address.
AA 91 <Address><lenght><data>CC 33 C3 3C  data is not coming to me from the screen..
why could it be?
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发表于 2020-3-18 10:40:50 | 显示全部楼层
First, determine whether the screen can communicate. First, try the handshake command AA 00 cc33c33c to determine whether the screen can communicate normally.
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 楼主| 发表于 2020-3-18 13:45:38 | 显示全部楼层
There is no communication problem with the screen. I use many commands. but I just can't read from memory.when I send a reading command from the memory of the screen, there is no response from the screen.
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 楼主| 发表于 2020-3-18 16:18:27 | 显示全部楼层
isn't there any people for help me?  
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发表于 2020-3-18 17:07:01 | 显示全部楼层
You try this command to read : AA 91 55AA 5AA5 <Address><lenght>CC 33 C3 3C
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 楼主| 发表于 2020-3-18 18:30:14 | 显示全部楼层
本帖最后由 cmlbay54 于 2020-3-18 18:33 编辑

Birçok kez denedim. maalesef çalışmıyor .. Bu değerler için benim için örnek komut yazabilir misiniz?
* bellek adresi Kaydetmek istediğim: 0x01DE0000
* belleğe kaydetmek istediğim değer: 0x0554.
Belleğe yazma ve okuma komutları nasıl olmalı?
-yazmak için, Tx: AA 90 55 AA 5A A5 01 DE 00 00 05 54 CC 33 C3 3C
-okuma için, Tx: AA 91 01 DE 00 00 00 02 CC 33 C3 3C
Bu doğru mu ??


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发表于 2020-3-18 18:40:54 | 显示全部楼层
The written instruction is correct, and the read instruction is changed to AA 91 55 AA 5A A5 01 DE 00 00 00 02 CC 33 C3 3C
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 楼主| 发表于 2020-3-18 19:05:04 | 显示全部楼层
you are awesome ! thanks a lot
it is working now
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