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USB Controller Host and Peripheral Modes Operation | www.ti.com |
Figure 5. Service Endpoint 0 Flow Chart
Service
endpoint 0
Read endpoint 0 CSR
Sent Yes stall
?
Clear SentStall bit state −> IDLE
No
Setup Yes
end
?
Set ServicedSetupEnd state −> IDLE
No |
| |
State | Yes | |
= IDLE | ||
IDLE mode | ||
? |
| |
No |
| |
State | Yes | |
= TX | ||
TX mode | ||
? |
| |
No |
| |
State | Yes | |
= RX* | ||
RX mode | ||
? |
|
* By default
32 | Universal Serial Bus (USB) Controller | |
|
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