Hi,
It was my mistake, I didn't understand that libusb20_tr_open() wants the
bEndpointAddress provided by the end point descriptor as ep_no parameter.
Man pages are not extremely detailed and I used usbconfig sources as
documentation, but I didn't found examples on transfer functions usage,
then my mistake.
Does anyone know a project or library that use libusb20 that I could use
as example?
If HPS agree, I want to use the experience I'm collecting to improve
documentation or to write examples and/or a tutorial.
thanks again
Regards,
Luca
On 05/17/11 11:33, Luca Pizzamiglio wrote:
On 05/17/11 11:22, Hans Petter Selasky wrote:
On Monday 16 May 2011 16:28:55 Luca Pizzamiglio wrote:
libusb20_dev_open( pdev, 32 )
libusb20_dev_set_config_index( pdev, 0)
bin_ep = libusb20_tr_get_pointer( pdev, 0 );
libusb20_tr_open( bin_ep, 4096, 1, bin_ep_num );
bout_ep = libusb20_tr_get_pointer( pdev, 1 );
libusb20_tr_open( bout_ep, 4096, 1, bout_ep_num );
irq_ep = libusb20_tr_get_pointer( pdev, 2 );
libusb20_tr_open( irq_ep, 4096, 1, irq_ep_num );
What is the value of irq_ep_num ?
--HPS
irq_ep_num is 2 and the device has 3 end points (confirmed also by
usbconfig).
the device is ugen2.2 then the output of ls /dev/usb/2.2* is
/dev/usb/2.2.0 /dev/usb/2.2.1 /dev/usb/2.2.2 /dev/usb/2.2.3
Regards,
Luca
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