HI, did you remember me? I can't with this.
Now I get the next result after disconnect usbdevice, then connect,
and send data bulk.
kernel: usb 2-1: usbfs: USBDEVFS_BULK failed ep 0x1 len 4 ret -22
This is the code
fd = open("/proc/bus/usb/002/002", O_RDWR);
if(fd != -1) {
bulk.ep = 1;
bulk.len = 4;
bulk.data = data;
bulk.timeout = 1000;
ioctl(fd, USBDEVFS_BULK, &bulk);
perror("ioctl");
close(fd);
}
Thank you
> > This is /proc/bus/usb/devices when I plug the PIC:
> >
> > T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=1.5 MxCh= 0
> > D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
> > P: Vendor=0000 ProdID=0000 Rev= 0.00
> > S: Manufacturer=Vicctor Lomaa
> > S: Product=PicNetUSB
> > C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
> > I: If#= 0 Alt= 0 #EPs= 2 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid
> > E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=10ms
> > E: Ad=01(O) Atr=03(Int.) MxPS= 8 Ivl=10ms
> >
> >
> > When I disconnect by software the PIC I got this:
> >
> > T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=1.5 MxCh= 0
> > D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
> > P: Vendor=0000 ProdID=0000 Rev= 0.00
> > S: Manufacturer=Vicctor Lomaa
> > S: Product=PicNetUSB
> > C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
> > I: If#= 0 Alt= 0 #EPs= 2 Cls=03(HID ) Sub=00 Prot=00 Driver=(none)
> > E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=10ms
> > E: Ad=01(O) Atr=03(Int.) MxPS= 8 Ivl=10ms
> >
> >
> > The only difference is the Driver, in the first is usbhid and the
> > second is (none)
>
> That's exactly what it should be.
>
> > Other stuff, when I Disconnect by software
> >
> > ctrl.ioctl_code = USBDEVFS_DISCONNECT;
> > ioctl(fd, USBDEVFS_IOCTL, &ctrl);
> >
> > I got succes and when I claim with
> > ioctl(fd, USBDEVFS_CLAIMINTERFACE, &interface);
> > I got succes but when I send a data with
> > ioctl(fd, USBDEVFS_BULK, &bulk);
> > I got ioctl: Invalid argument
>
> There are a few things which can cause that error. Provided bulk.ep is
> set to 1 and bulk.len is set to something reasonable (like 4) it shouldn't
> occur.
>
> In the end you may have to poke around in the kernel to find out just what
> the problem is. A good place to start would be the proc_bulk() routine in
> drivers/usb/core/devio.c.
>
> Alan Stern
>
>
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