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Raspberry Pi Forum Raspberry pi as a SPI slave
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  • Replies 10 replies
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  • slave
  • spi
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Raspberry pi as a SPI slave

OriolPascual
OriolPascual over 1 year ago

Hi,

I need to configure a setup to have two SPI buses, with the Raspberry Pi acting as the slave in both cases. Despite searching extensively, I couldn't find any information on how to achieve this.

My conclusion is that the Raspberry Pi might not be designed for this specific use case, as it seems reluctant to operate as a slave device. However, I'm reaching out to see if anyone has managed to configure it in this way and if there are any resources or documentation available that could help me achieve this configuration.

Any guidance or insights would be greatly appreciated.

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  • dougw
    dougw over 1 year ago

    https://github.com/anetczuk/SpiSlave

    https://offis.github.io/raspi-directhw/group__spisl.html

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  • BigG
    BigG over 1 year ago in reply to dougw

    Looks like these are the only options available, as in software driven spi slave mode.

    Looking at the Broadcom BCM2711 data sheet, it shows that only SPI master is the only hardware driver provided.

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  • BigG
    BigG over 1 year ago in reply to dougw

    Looks like these are the only options available, as in software driven spi slave mode.

    Looking at the Broadcom BCM2711 data sheet, it shows that only SPI master is the only hardware driver provided.

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