SPI_CLK is not working

HEICAO New Member Posts: 3

OS is ubuntu 18.04,spi test program with libmraa,Using 24mhz logic analyzer. Can run spi_loopback.py successfully,In the STM32 chip communication test can not send and receive signals normally, after testing found that the UP4000 SPI Master does not generate the clock signal normally。


Best Answer

  • Wilbert
    Wilbert New Member Posts: 168 ✭✭✭
    Answer ✓

    Hi Sir,

    We have identified this issue and are working internally to fix it.
    Please change Pin16 to output in the BIOS/HAT Configuration, and the SPI CLK will be normal.
    The BIOS will be updated in the future to fix this problem.

    Best Regards,
    Wilbert Lee.