Search found 2 matches

by rsn8887
Sat Jul 11, 2015 1:30 am
Forum: V-USB
Topic: 1 ms too long for interrupts?
Replies: 10
Views: 12342

Re: 1 ms too long for interrupts?

Concerning Windows 8ms delay between interrupts. I thought I can set that interval in the descriptor for endpoint 1 and endpoint 3, for example via the variable in usbconfig.h as such: #define USB_CFG_INTR_POLL_INTERVAL 8 //could set to 1 for 1 ms between polls /* If you compile a version with endpo...
by rsn8887
Sat Jul 11, 2015 12:37 am
Forum: V-USB
Topic: Max. allowed delay between interrupts?
Replies: 1
Views: 4657

Max. allowed delay between interrupts?

I found conflicting docs about interrupt latency in V-USB. In usbdrv.h is a statement that interrupts should not be disabled for longer 25 us. On the V-USB troubleshooting page , it states that there can be a few milliseconds. In my project RetroAdapterMod (a mod of Paul Qureshi's RetroAdapter), I a...