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Re: [Libusb-devel] libusb 1.0.1 crashing mac os x
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From: TongKe X. <ton...@gm...> - 2009-05-30 02:18:12
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NumInterfaces:
Linux:
sudo ./prog
usb claim interface: 0
libusb:error [op_clear_halt] clear_halt failed error -1 errno 32
clear halt: -99
kernel claim: 1
NumInterfaces: 1
Mac:
libusb:warning [process_new_device] could not retrieve device
descriptor: device not responding. skipping device
libusb:warning [process_new_device] could not retrieve device
descriptor: device not responding. skipping device
libusb:warning [ep_to_pipeRef] no pipeRef found with endpoint address 0x02.
libusb:error [darwin_clear_halt] endpoint not found on any open interface
NumInterfaces: 0
Putting 8051 into reset.
Programming 8051 using "USB16_FI.BIN".
we're about to write for real
libusb:info [process_new_device] allocating new device for location 0x1d000000
libusb:info [process_new_device] found device with address 1 at
001-05ac-8005-09-00
libusb:info [process_new_device] allocating new device for location 0x3d000000
libusb:info [process_new_device] found device with address 1 at
001-05ac-8005-09-00
libusb:info [process_new_device] allocating new device for location 0x5d000000
libusb:info [process_new_device] found device with address 1 at
001-05ac-8005-09-00
libusb:info [process_new_device] allocating new device for location 0x5d100000
libusb:info [process_new_device] found device with address 2 at
002-05ac-8242-00-00
libusb:info [process_new_device] allocating new device for location 0x5d200000
libusb:info [process_new_device] found device with address 3 at
003-05ac-0230-00-00
libusb:info [process_new_device] allocating new device for location 0x1a000000
libusb:info [process_new_device] found device with address 1 at
001-05ac-8005-09-00
libusb:info [process_new_device] allocating new device for location 0x1a100000
libusb:info [process_new_device] allocating new device for location 0x1a110000
libusb:info [process_new_device] allocating new device for location 0x1a200000
libusb:info [process_new_device] found device with address 4 at
004-046d-c016-00-00
libusb:info [process_new_device] allocating new device for location 0x3a000000
libusb:info [process_new_device] found device with address 1 at
001-05ac-8005-09-00
libusb:info [process_new_device] allocating new device for location 0xfd000000
libusb:info [process_new_device] found device with address 1 at
001-05ac-8006-09-00
libusb:info [process_new_device] allocating new device for location 0xfd400000
libusb:info [process_new_device] found device with address 2 at
002-05ac-8502-ef-02
libusb:info [process_new_device] allocating new device for location 0xfd100000
libusb:info [process_new_device] found device with address 3 at
003-04b4-8613-ff-ff
libusb:info [process_new_device] allocating new device for location 0xfa000000
libusb:info [process_new_device] found device with address 1 at
001-05ac-8006-09-00
libusb:info [darwin_open] device open for access
libusb:info [get_endpoints] building table of endpoints.
libusb:info [darwin_claim_interface] interface opened
usb claim interface: 0
libusb:info [ep_to_pipeRef] converting ep address 0x02 to pipeRef and interface
clear halt: -5
kernel claim: 0
Code;
int errors=0;
const char *arg_bus_dev=NULL;
bool do_list=0;
// Initialize the USB library...
libusb_init(NULL);
libusb_set_debug(NULL, 3);
struct libusb_device *usbdev=NULL;
usbdev=USBFindDevice(0x4b4,0x8613);
if(!usbdev)
{ fprintf(stderr,"No unconfigured Cypress FX2 attached.\n");
return(1); }
if(cycfx2.open(usbdev)) { return(1); }
// libusb_set_configuration(cycfx2.usbhdl, 1);
int claim = libusb_claim_interface(cycfx2.usbhdl, 0);
fprintf(stdout, "usb claim interface: %d\n", claim);
fprintf(stdout, "clear halt: %d\n",
libusb_clear_halt(cycfx2.usbhdl, 0x2));
fprintf(stdout, "kernel claim: %d\n",
libusb_kernel_driver_active(cycfx2.usbhdl, 0));
struct libusb_config_descriptor* config_descriptor;
libusb_get_active_config_descriptor(cycfx2.usbdev,
&config_descriptor);
fprintf(stderr, "NumInterfaces: %d\n",
config_descriptor->bNumInterfaces);
for(int i = 0; i < config_descriptor->bNumInterfaces; +i) {
const libusb_interface* interface =
config_descriptor->interface + i;
}
This makes me happy. Linux sees 1. Mac sees none. Do I need some
kernel driver support for cypressfx devices? (And LInux has it, but
Mac does not? Is taht my problem?)
Thanks!
On Fri, May 29, 2009 at 3:46 PM, Tim Roberts<ti...@pr...> wrote:
> TongKe Xue wrote:
>> The firmwire needs to be loaded every time.
>
> No, it doesn't. The firmware remains loaded until you unplug/replug the
> device.
>
>> In prog.cc is where I think I'm screwing up. Can anyone point out why
>> my libusb_submit_transfer is failing? (Or suggest changes I make to
>> the code to so I can help you get data you need to help me trouble
>> shoot this.)
>>
>
> What do the descriptors look like in your firmware? Do you have
> endpoint 2 configured in interface 0?
>
> It is possible (and common) to write FX2 firmware so the device
> re-enumerates itself as the firmware loads. That is, it disconnects and
> reconnects after loading. The fact that you seem to get a "new device
> arrival" after your firmware load suggests this may be happening. In
> that case, it's quite possible that your claim to the interface was lost
> when the device disconnected. We have always written our FX2
> applications to search for and open the device, load the firmware (if
> necessary), close the device, search for and open the device, claim the
> interface, and start processing data.
>
>
> That's why it is handy to use your own VID and PID in the firmware. If
> you find the unconfigured device, you load firmware. If you find the
> configured device, you don't need to load firmware.
>
> --
> Tim Roberts, ti...@pr...
> Providenza & Boekelheide, Inc.
>
>
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