3 ms·
On the MCU (device) side, you can command the poll in a data-received interrupt. Does it not work that way on the PC side? Ie, you never have to really block on
by the__alchemist 4y ago
On the MCU (device) side, you can command the poll in a data-received interrupt. Does it not work that way on the PC side? Ie, you never have to really block on the MCU.
- neonbeige 4y agoIt's the same for the host controller hardware, it exposes different interrupts which the host controller driver can make use of so you don't have to busy-wait. The details depend on the host controller interface the hardware provides though.