Hello,
I am developping an application with the GTT480272 with RS232 interface, 115200 Bauds, 8 bits data, no parity and 1 bit stop.

I have a lot of page which represent menus to displayed to the user, and he has to touch the screen to choose a mode of functionning.

For the application, I load ...

Hello,

I have write a driver in C language to command the screen, and I remark some bugs which I want to share with you.
I met some problem with commands like:
- Get Background Drawing Colour, which didn`t return the correct message.
- Manual update which has a wrong second parameter in the GTT ...

Hello Troy,
Thank you for your response, now it is clear.

Hello Troy,
Thank you for your response. Dont worry about my name, it is an alias ;)

Can you just sum up the manner to exchange data between my micrcontroller and the screen with the hardware flow control (simply way)?
The role of CTS and RTS?

And please, tell me if this sentences are good:
When ...

Hello,
Than you for your response.

Sorry to have forget some essential information about my picture. The data which was send is the caracter U, which is 0x55 in hexadecimal format.
I think that the screen understand the value between both acknoledge like a caracter but he printed it like a square ...

Hello,
I have checked my configuration of my communication, it is 115200 Baud, 8 bits of data, no parity and 1 bit of stop.

I have save a trace of my RS232 communication between my kit of development and the GTT. You can see on this picture that after my byte of data I have an ackwnoledge from my ...

Hello,
I Have some problems with the communication between the screen and my kit of development.
My kit is equipped with a microcontroller from Atmel (AT90CAN128), I use the UART0 to have a dialog with the screen. The setting of my communication are the following: 115200 Baud, 8 bits, no parity, 1 ...