|
|
|
|
|
|
by dmitrygr
662 days ago
|
|
|
You can do it using PIO. I did that for emulating memory stick slave on rp2040. One PIO SM plus two dma channels with chained descriptors. XOR is achieved using any io reg you don’t need, with 0x3000 offset (manual mentions this as the XOR alias) |
|
|