Hi All, i'm trying to connect a Prolific PL2303 to my board witch STM32F4, usb and keil RTX. I configured an usb host and i'm using the USBH_PL2303 class included in the keil packs. But the installation of the virtual come fails in the functions "USBH_CustomClass_Configure", because the numbers of endpoints is 3, but the third call to "USBH_PipeCreate" fails. Does anybody uses this virtual com succesfully? Could anybody help me?
thanks in advance for your help?
Davide
How, exactly, does it "fail" ?
What error code(s) and/or diagnostics are returned?
Did you follow the documentation here: http://www.keil.com/pack/doc/mw/USB/html/host_cust_tutorial.html
note Maximum concurrent Pipes and Maximum concurrent Transfers settings.