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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [io/] [serial/] [v2_0/] [cdl/] [io_serial.cdl] - Rev 27
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# ====================================================================
#
# io_serial.cdl
#
# eCos IO configuration data
#
# ====================================================================
#####ECOSGPLCOPYRIGHTBEGIN####
## -------------------------------------------
## This file is part of eCos, the Embedded Configurable Operating System.
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
##
## eCos is free software; you can redistribute it and/or modify it under
## the terms of the GNU General Public License as published by the Free
## Software Foundation; either version 2 or (at your option) any later version.
##
## eCos is distributed in the hope that it will be useful, but WITHOUT ANY
## WARRANTY; without even the implied warranty of MERCHANTABILITY or
## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
## for more details.
##
## You should have received a copy of the GNU General Public License along
## with eCos; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
##
## As a special exception, if other files instantiate templates or use macros
## or inline functions from this file, or you compile this file and link it
## with other works to produce a work based on this file, this file does not
## by itself cause the resulting work to be covered by the GNU General Public
## License. However the source code for this file must still be made available
## in accordance with section (3) of the GNU General Public License.
##
## This exception does not invalidate any other reasons why a work based on
## this file might be covered by the GNU General Public License.
##
## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
## at http://sources.redhat.com/ecos/ecos-license/
## -------------------------------------------
#####ECOSGPLCOPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s): jskov
# Original data: gthomas
# Contributors:
# Date: 1999-07-07
#
#####DESCRIPTIONEND####
#
# ====================================================================
cdl_package CYGPKG_IO_SERIAL {
display "Serial device drivers"
active_if CYGPKG_IO
requires CYGPKG_ERROR
include_dir cyg/io
description "
This option enables drivers for basic I/O services on
serial devices."
doc ref/io.html
compile -library=libextras.a common/serial.c
define_proc {
puts $::cdl_header "/***** proc output start *****/"
puts $::cdl_header "#include <pkgconf/system.h>"
puts $::cdl_header "#ifdef CYGDAT_IO_SERIAL_DEVICE_HEADER"
puts $::cdl_header "# include CYGDAT_IO_SERIAL_DEVICE_HEADER"
puts $::cdl_header "#endif "
puts $::cdl_header "/****** proc output end ******/"
}
cdl_option CYGOPT_IO_SERIAL_SUPPORT_NONBLOCKING {
display "Support non-blocking read and write calls"
default_value 0
description "
This option enables extra code in the generic serial driver
which allows clients to switch read() and write() call
semantics from blocking to non-blocking."
}
cdl_interface CYGINT_IO_SERIAL_BLOCK_TRANSFER {
display "Driver requires block transfer callback functions"
description "
Some low-level drivers can be optimized to transfer blocks
of data instead of a single character at a time. These usually
rely on a hardware FIFO of some sort."
}
cdl_interface CYGINT_IO_SERIAL_LINE_STATUS_HW {
display "Serial driver supports line status"
}
cdl_option CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS {
display "Support line status callbacks"
requires { CYGINT_IO_SERIAL_LINE_STATUS_HW > 0 }
default_value { 0 != CYGINT_IO_SERIAL_LINE_STATUS_HW }
description "
This option indicates that if the serial driver supports it,
serial line status and modem status information should be
propagated to higher layers via callbacks."
}
cdl_component CYGPKG_IO_SERIAL_FLOW_CONTROL {
display "Flow control"
description "
This component contains options related to flow control."
flavor bool
requires (CYGOPT_IO_SERIAL_FLOW_CONTROL_SOFTWARE || \
CYGOPT_IO_SERIAL_FLOW_CONTROL_HW)
default_value 0
cdl_component CYGOPT_IO_SERIAL_FLOW_CONTROL_SOFTWARE {
display "Software flow control"
default_value 1
description "
This component enables support of software flow control."
cdl_option CYGDAT_IO_SERIAL_FLOW_CONTROL_XON_CHAR {
display "Start character"
flavor data
default_value 17
legal_values 0 to 255
description "
This option specifies the ascii character used to
indicate that transmission should start."
}
cdl_option CYGDAT_IO_SERIAL_FLOW_CONTROL_XOFF_CHAR {
display "Stop character"
flavor data
default_value 19
legal_values 0 to 255
description "
This option specifies the ascii character used to
indicate that transmission should stop."
}
}
cdl_option CYGOPT_IO_SERIAL_FLOW_CONTROL_HW {
display "Hardware flow control"
active_if { CYGINT_IO_SERIAL_FLOW_CONTROL_HW > 0 }
requires { CYGINT_IO_SERIAL_FLOW_CONTROL_HW > 0 }
requires CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS
default_value { CYGINT_IO_SERIAL_FLOW_CONTROL_HW > 0 ? \
CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS : 0 }
description "
If the hardware supports it, this option allows hardware
flow control to be enabled. This may be in the form of
either or both of RTS/CTS, or DSR/DTR flow control."
}
cdl_interface CYGINT_IO_SERIAL_FLOW_CONTROL_HW {
display "Serial h/w supports hardware flow control"
}
cdl_option CYGDAT_IO_SERIAL_FLOW_CONTROL_DEFAULT {
display "Default flow control method"
flavor data
legal_values { "NONE" "XONXOFF" "RTSCTS" "DSRDTR" }
default_value { "NONE" }
description "This option allows a default flow control method
to be defined. Combinations of flow control methods
may also be set, but this is only possible by
using the cyg_io_set_config() API in source code."
}
cdl_option CYGNUM_IO_SERIAL_FLOW_CONTROL_LOW_WATER_PERCENT {
display "Rx flow control low water mark"
flavor data
legal_values 1 to 100
default_value 33
description "This sets the water mark used for determining
when to disable flow control, expressed
as a percentage of the buffer size. When the
receive buffer size is lower than this percentage,
if the transmitter had previously been throttled, it
will now be informed it can restart."
}
cdl_option CYGNUM_IO_SERIAL_FLOW_CONTROL_HIGH_WATER_PERCENT {
display "Rx flow control high water mark"
flavor data
legal_values 1 to 100
default_value 66
requires { CYGNUM_IO_SERIAL_FLOW_CONTROL_HIGH_WATER_PERCENT >= \
CYGNUM_IO_SERIAL_FLOW_CONTROL_LOW_WATER_PERCENT }
description "This sets the water mark used for determining
when to enable flow control, expressed
as a percentage of the buffer size. When the
receive buffer size exceeds this percentage,
signals are sent to the transmitter to tell it
to throttle tranmission."
}
}
cdl_component CYGPKG_IO_SERIAL_TTY {
display "TTY-mode serial device drivers"
flavor bool
default_value 1
description "
This option enables a simple terminal-like device driver
that can be used for serial devices that interact with humans,
such as a system console."
script tty.cdl
compile -library=libextras.a common/tty.c
}
cdl_component CYGPKG_IO_SERIAL_TERMIOS {
display "Termios compatible TTY drivers"
flavor bool
requires CYGPKG_ISOINFRA
requires CYGPKG_IO_FILEIO
requires CYGINT_ISO_ERRNO_CODES
requires CYGINT_ISO_ERRNO
requires CYGINT_ISO_MALLOC
default_value { 0 != CYGPKG_ISOINFRA && 0 != CYGPKG_IO_FILEIO && \
0 != CYGINT_ISO_ERRNO_CODES && \
0 != CYGINT_ISO_ERRNO }
implements CYGINT_ISO_TERMIOS
description "
This option enables terminal drivers compatible with
POSIX termios."
script termios.cdl
compile common/termios.c
}
cdl_component CYGPKG_IO_SERIAL_DEVICES {
display "Hardware serial device drivers"
flavor bool
default_value 0
description "
This option enables the hardware device drivers
for the current platform."
}
cdl_option CYGBLD_IO_SERIAL_EXTRA_TESTS {
display "Build extra serial tests"
default_value 0
no_define
description "
This option enables the building of some extra tests which
can be used when testing / debugging serial drivers. These
are not built by default since they do not use the dedicated
testing infrastructure."
make -priority 320 {
<PREFIX>/bin/serial_echo : <PACKAGE>/tests/serial_echo.c
@sh -c "mkdir -p tests $(dir $@)"
$(CC) -c $(INCLUDE_PATH) -Wp,-MD,deps.tmp -I$(dir $<) $(CFLAGS) -o tests/serial_echo.o $<
@echo $@ ": \\" > $(notdir $@).deps
@echo $(wildcard $(PREFIX)/lib/*) " \\" >> $(notdir $@).deps
@tail +2 deps.tmp >> $(notdir $@).deps
@echo >> $(notdir $@).deps
@rm deps.tmp
$(CC) $(LDFLAGS) -L$(PREFIX)/lib -Ttarget.ld -o $@ tests/serial_echo.o
}
}
cdl_component CYGPKG_IO_SERIAL_OPTIONS {
display "Serial device driver build options"
flavor none
description "
Package specific build options including control over
compiler flags used only in building this package,
and details of which tests are built."
cdl_option CYGPKG_IO_SERIAL_CFLAGS_ADD {
display "Additional compiler flags"
flavor data
no_define
default_value { "" }
description "
This option modifies the set of compiler flags for
building the serial device drivers. These flags are used in addition
to the set of global flags."
}
cdl_option CYGPKG_IO_SERIAL_CFLAGS_REMOVE {
display "Suppressed compiler flags"
flavor data
no_define
default_value { "" }
description "
This option modifies the set of compiler flags for
building the serial device drivers. These flags are removed from
the set of global flags if present."
}
cdl_option CYGPKG_IO_SERIAL_TESTS {
display "Serial device driver tests"
flavor data
no_define
calculated { CYGPKG_IO_SERIAL_DEVICES ? "tests/serial1 tests/serial2 tests/serial3 tests/serial4 tests/serial5 tests/tty1 tests/tty2 tests/flow1 tests/flow2" : "" }
description "
This option specifies the set of tests for the serial device drivers."
}
}
cdl_option CYGPKG_IO_SERIAL_SELECT_SUPPORT {
display "Enable serial device select support"
flavor bool
active_if CYGPKG_IO_FILEIO
requires CYGPKG_IO_FILEIO
default_value 1
description "
This option enables support for the select() API function on all
serial devices."
}
# These could be regular define_proc outputs, but keeping them as
# CDL interfaces allow us to possibly skip building/running some
# tests.
cdl_component CYGPKG_IO_SERIAL_TEST_SPECS {
display "Serial testing specification"
flavor bool
calculated 1
no_define
cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_9600 {
display "Skip 9600 baud testing"
}
cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_14400 {
display "Skip 14400 baud testing"
}
cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_19200 {
display "Skip 19200 baud testing"
}
cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_38400 {
display "Skip 38400 baud testing"
}
cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_57600 {
display "Skip 57600 baud testing"
}
cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_115200 {
display "Skip 115200 baud testing"
}
cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_PARITY_EVEN {
display "Skip even-parity testing"
}
cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_PARITY_ODD {
display "Skip odd-parity testing"
}
cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_STOP_2 {
display "Skip 2-stop bit testing"
}
}
}
# EOF io_serial.cdl
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