how to wait until CDC_Transmit_FS finish

[leogarberoglio]

Posted on September 19, 2015 at 14:30

I need to call several CDC_Transmit_FS, but between them I need to wait to previous CDC_Transmit_FS finish, otherwise I overwrite output buffer.

Is there a flag, a macro or something else that may allows me to determine CDC_Transmit_FS in progress or finish?

Thank!

[Amel NASRI]

Posted on October 02, 2015 at 13:26

Hi elgarbe,

You can manage several CDC_Transmit calls based on the USBH_CDC_TransmitCallback.

In this callback function, you can call the CDC_Transmit functions as it is done in the example STM32Cube_FW_F4_V1.8.0\Projects\STM324xG_EVAL\Applications\USB_Host\CDC_Standalone (have a look to the implementation in Src/cdc_send.c).

-Mayla-

[leogarberoglio]

Posted on October 02, 2015 at 14:47

is it work on Device mode too?