Manu Abraham wrote: > Johannes Stezenbach wrote: > >> - program PLL for frequency to scan >> - program demod for scanning >> - poll some demod register until it signals completion >> (or use irq if available) >> >> > > This is possible with the adaptive algo in the sense that the relevant > function can return values for the relevant . For example, > center_carrier() returns the status when that operation is complete > etc .. > >> - pass result to userspace (e.g. event, wake up poll(2), ioctl) >> >> > > But these functions, i think will need to stay in kernel, to avoid too > many transactions, IOCTL's from userspace to the driver. Sure... Plus that would complicate scheduling, locking, etc. in a user application, especially if it was multi-threaded... -Philip >> - repeat >> >> I know the driver software from the fe vendors often uses >> floating point and makes it look complicated, but IMHO >> it doesn't have to. >> >> >> > - get frequency step for reprogramming PLL from driver > > Yeah, i have a small implementation without that complication, but not > yet finished though. > > > Manu > > > _______________________________________________ > > linux-dvb@xxxxxxxxxxx > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
