Re: [ECOS] Compile USB Host Application

[Gary Thomas <gary@mlbassoc.com>]

Navya S Kamath wrote:
> Hi All,
> 
> I'm trying to compile the USB host application on a RedHat Enterprise Linux,
> I get following errors
> 
> usbhost.o(.text+0xb4): In function `usb_scan_devices':
> : undefined reference to `__fgetc_unlocked'
> usbhost.o(.text+0x197): In function `usb_scan_devices':
> : undefined reference to `__fgetc_unlocked'
> usbhost.o(.text+0x207): In function `usb_scan_devices':
> : undefined reference to `__fgetc_unlocked'
> usbhost.o(.text+0x163d): In function `run_test_bulk_out':
> : undefined reference to `__glibc_strerror_r'
> usbhost.o(.text+0x1e4b): In function `run_test_bulk_in':
> : undefined reference to `__glibc_strerror_r'
> usbhost.o(.text+0x2807): In function `run_test_control_in':
> : undefined reference to `__glibc_strerror_r'
> 
> I include file /usr/local/include/stdio.h has these definitions.Anybody
> faced such errors before? Please help

It looks like you're trying to use things that are outside of eCos
(no eCos application should ever need to use 'standard' include files,
only the ones provided)

The public version of eCos doesn't support USB host operations.  I
believe that this can be obtained from eCosCentric.


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