> 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...
Sorry, I mean hw/ssi.c Synchronous serial is something that pretty much every vendor has their own name for, but in practice they're actually all the same. Paul