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# 1   2012-10-31 14:36:37 Grafic interface in the LCD and SD card at the same time in STM32F103

ander
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Registered: 2012-10-31
Posts: 1

Grafic interface in the LCD and SD card at the same time in STM32F103

Good afternoon.

I am programming a microcontroller STM32F103 and appeared to me some conflicts.

For the graphical interface of the LCD I use the library uc/GUI, but when I trying to save the data on a memory card I can only create the txt file and I can't write on it. To create the file I'm using the function f_open() of the FatFs library and to write in the card function f_write( ), however the file is always empty.

The memory card is a micro SD of 64 MB.

I test the code to write in the card separately of the code of the interface and it worked well, but when join the two codes that I have, I cannot write in the file.

Does anyone know what may be happening?

Thank you.

João Oliveira

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