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FUzek.1
Associate
September 5, 2021
Question

Stm32F407zgt6 (DevEbox)- how to use touch spi pins in tft connector

I have stm32f407zgt6 board. Came to work with Touch. On tft, I use Touch on xpt2046 via spi, on the stm32_f4x (DevEBox) board, the processor pins are wired as sck - pb0, miso-pb2, mosi- pf12. Pins data, CubeMX cannot map like any of the 3 spi on board the processor. According to the RM, it is not possible to assign them in any way. What, the manufacturer of the board conceived that there will be a software spi for the wheelbarrow, or are there some secret methods for remapping pins?

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3 replies

Tesla DeLorean
Guru
September 5, 2021
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FUzek.1
FUzek.1Author
Associate
September 5, 2021

Sorry. Bit_bang? Are you mean cut the pins?

Or bit-band? For blenking this is easy... Can you give me example of it for SPI2, i'm novce.

Tesla DeLorean
Guru
September 5, 2021
Tips, Buy me a coffee, or three.. PayPal Venmo (See Profile) Up vote any posts that you find helpful, it shows what's working..