Thanks. But this is for Linux. Are there any detailed instructions for a baremetal environment?clivem wrote:dtoverlay=pi3-miniuart-bt
This is the bare metal forum. I am looking for a bare metal example.joan wrote:I believe the current Linux driver spi_bcm2853 can use DMA to fill the hardware FIFOs.
If you actually want to use DMA to construct the SPI waveform then have a look at rawWaveAddSPI.