ST STM32F207 series - Figure 382. Normal Bulk;Control OUT;SETUP and Bulk;Control in Transactions - Slave

USB on-the-go high-speed (OTG_HS) RM0033
1212/1381 RM0033 Rev 9
Figure 382. Normal bulk/control OUT/SETUP and bulk/control IN transactions - Slave
mode
The channel-specific interrupt service routine for bulk and control OUT/SETUP
transactions in Slave mode is shown in the following code samples.
• Interrupt service routine for bulk/control OUT/SETUP and bulk/control IN
transactions
a) Bulk/Control OUT/SETUP
Unmask (NAK/TXERR/STALL/XFRC)
if (XFRC)
{
Reset Error Count