About JHAPP.1

JHAPP.1 · 2021-04-26

OTG_FS_IRQHandler is endlessly called"signal handler called>() at 0xffffffe9"I have already increase the heap and stack size to 0x2000. I use the STM32H753i-EVAL2 board

JHAPP.1 · 2021-04-26

After two weeks of work and just after posting this cry for help, I found the solution. Il simply forgot to set tx fifos on usb_conf.c for the new endpoints. Subject can be closed.

JHAPP.1 · 2021-04-26

More information : The USB descriptors are correct and both virtual port com are recognised by the PC. And i use STMCubeMx Version: 1.6.0

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Hello, I try to implement a dual cdc with two virtual port com on USB_FS and HS. Receives callbacks works well on both VCP but only transmit on the first VCP works. When I try to send data from the STM32 to the second VCP, nothing append.

Re: Hello, I try to implement a dual cdc with two virtual port com on USB_FS and HS. Receives callbacks works well on both VCP but only transmit on the first VCP works. When I try to send data from the STM32 to the second VCP, nothing append.

Re: Hello, I try to implement a dual cdc with two virtual port com on USB_FS and HS. Receives callbacks works well on both VCP but only transmit on the first VCP works. When I try to send data from the STM32 to the second VCP, nothing append.