EasyManuals Logo

STMicroelectronics STM32F407 User Manual

STMicroelectronics STM32F407
1731 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #1335 background imageLoading...
Page #1335 background image
DocID018909 Rev 11 1335/1731
RM0090 USB on-the-go full-speed (OTG_FS)
1368
Disable Channel
if (STALL)
{
Transfer Done = 1
}
}
else
if (NAK or TXERR)
{
Rewind Buffer Pointers
Reset Error Count
Mask ACK
Unmask CHH
Disable Channel
}
else
if (CHH)
{
Mask CHH
if (Transfer Done or (Error_count == 3))
{
De-allocate Channel
}
else
{
Re-initialize Channel (in next b_interval - 1 Frame)
}
}
else
if (ACK)
{
Reset Error Count
Mask ACK
}
The application uses the NPTXFE interrupt in OTG_FS_GINTSTS to find the transmit
FIFO space.
b) Interrupt IN
Unmask (NAK/TXERR/XFRC/BBERR/STALL/FRMOR/DTERR)
if (XFRC)
{
Reset Error Count
Mask ACK
if (OTG_FS_HCTSIZx.PKTCNT == 0)
{
De-allocate Channel
}
else
{
Transfer Done = 1
Unmask CHH
Disable Channel

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the STMicroelectronics STM32F407 and is the answer not in the manual?

STMicroelectronics STM32F407 Specifications

General IconGeneral
BrandSTMicroelectronics
ModelSTM32F407
CategoryController
LanguageEnglish

Related product manuals