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# ====================================================================
#
#      usbs.cdl
#
#      USB slave-side support
#
# ====================================================================
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# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      bartv
# Original data:  bartv
# Contributors:
# Date:           2000-10-04
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_IO_USB_SLAVE {
    display     "USB slave-side support"
    parent      CYGPKG_IO_USB
    include_dir "cyg/io/usb"
    active_if   CYGHWR_IO_USB_SLAVE
    doc         ref/io-usb-slave.html
    
    compile usbs.c

    cdl_interface CYGINT_IO_USB_SLAVE_CLIENTS {
        display         "Number of clients of USB devices"
        description "
            This counter keeps track of the number of clients of
            USB devices, especially application-class packages such
            as the USB-ethernet support. It can be used by USB
            device drivers for default settings.
        "
    }

    cdl_option CYGGLO_IO_USB_SLAVE_APPLICATION {
        display         "Application code uses USB devices"
        default_value   0
        implements      CYGINT_IO_USB_SLAVE_CLIENTS
        description "
            If the USB devices are accessed by application code
            rather than by other packages then enabling this
            option will cause the USB device drivers to be enabled. 
        "
    }
    
    cdl_option CYGGLO_IO_USB_SLAVE_PROVIDE_DEVTAB_ENTRIES {
        display         "Provide devtab entries by default"
        default_value   CYGPKG_IO
        requires        CYGPKG_IO
        description "
            The USB slave-side endpoints can typically be accessed in two
            different ways. There is support for the traditional way of
            doing I/O with open/read/write calls, which involves the
            use of devtab entries. It is also possible to use a
            USB-specific API, defined largely in terms of asynchronous
            operations and callbacks (the read/write implementation uses
            these lower-level calls). If neither the application nor
            any other USB-related packages require the higher-level
            read/write calls then it is possible to save some memory
            by eliminating the devtab entries.
        "
    }
    
    cdl_interface CYGHWR_IO_USB_SLAVE_OUT_ENDPOINTS {
        display "Number of available host->slave endpoints"
    }
    cdl_interface CYGHWR_IO_USB_SLAVE_IN_ENDPOINTS {
        display "Number of available slave->host endpoints"
    }

    cdl_option CYGBLD_IO_USB_SLAVE_USBTEST {
        display         "Build the main USB test program"
        doc             ref/usbs-testing.html
        description "
            The USB slave-side software is supplied with host-side
            and target-side software that allows a variety of testing
            to be performed. The slave-side software is not built
            by default since it can only operate in specific environments
            and in conjunction with the host-side software. Enabling
            this option causes the slave-side software to be added
            to the list of test cases for the current configuration."
        default_value   0
        implements      CYGINT_IO_USB_SLAVE_CLIENTS
        requires        { is_substr(CYGPKG_IO_USB_SLAVE_TESTS, " tests/usbtarget") }

        requires        CYGFUN_KERNEL_API_C CYGFUN_KERNEL_THREADS_TIMER !CYGINT_KNEREL_SCHEDULER_UNIQUE_PRIORITIES
        requires        CYGPKG_LIBC_STDIO CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS
    }
    
    cdl_option CYGPKG_IO_USB_SLAVE_TESTS {
        display   "Kernel tests"
        flavor    data
        no_define
        default_value { "" }
        description "This option specifies the set of tests to be
            built for the USB slave package"
    }
}