2012/4/3 Paul Brook <p...@codesourcery.com>: >> > I'm no SPI expert, but a bit of googling suggests that it's >> > a synchronous duplex bus, so you always send a byte of data >> > to the slave and get one back in return (even if for some slaves >> > it might be random garbage). > > Waitaminute. So this is just basic synchronous serial? > > We already have an API for this. hw/spi.c.
Er, no we don't, not in upstream QEMU. You'll notice that the patch we're discussing creates hw/spi.c as a new file... -- PMM