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#      usbs.cdl

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#      USB slave-side support

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# ====================================================================

######DESCRIPTIONBEGIN####

#

# Author(s):      bartv

# Original data:  bartv

# Contributors:

# Date:           2000-10-04

#

#####DESCRIPTIONEND####

#

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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   "USB slave tests"

        flavor    data

        no_define

        default_value { "" }

        description "This option specifies the set of tests to be

            built for the USB slave package"

    }

}