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skrzyp |
# ====================================================================
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#
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# io_serial.cdl
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#
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# eCos IO configuration data
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#
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# ====================================================================
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## ####ECOSGPLCOPYRIGHTBEGIN####
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## -------------------------------------------
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## This file is part of eCos, the Embedded Configurable Operating System.
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## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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##
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## eCos is free software; you can redistribute it and/or modify it under
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## the terms of the GNU General Public License as published by the Free
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## Software Foundation; either version 2 or (at your option) any later
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## version.
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##
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## eCos is distributed in the hope that it will be useful, but WITHOUT
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## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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## for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with eCos; if not, write to the Free Software Foundation, Inc.,
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## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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##
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## As a special exception, if other files instantiate templates or use
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## macros or inline functions from this file, or you compile this file
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## and link it with other works to produce a work based on this file,
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## this file does not by itself cause the resulting work to be covered by
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## the GNU General Public License. However the source code for this file
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## must still be made available in accordance with section (3) of the GNU
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## General Public License v2.
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##
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## This exception does not invalidate any other reasons why a work based
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## on this file might be covered by the GNU General Public License.
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## -------------------------------------------
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## ####ECOSGPLCOPYRIGHTEND####
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# ====================================================================
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######DESCRIPTIONBEGIN####
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#
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# Author(s): jskov
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# Original data: gthomas
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# Contributors:
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# Date: 1999-07-07
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#
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#####DESCRIPTIONEND####
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#
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# ====================================================================
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cdl_package CYGPKG_IO_SERIAL {
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display "Serial device drivers"
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parent CYGPKG_IO
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active_if CYGPKG_IO
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requires CYGPKG_ERROR
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include_dir cyg/io
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description "
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This option enables drivers for basic I/O services on
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serial devices."
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doc ref/io.html
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compile -library=libextras.a common/serial.c
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define_proc {
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puts $::cdl_header "/***** proc output start *****/"
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puts $::cdl_header "#include "
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puts $::cdl_header "#ifdef CYGDAT_IO_SERIAL_DEVICE_HEADER"
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puts $::cdl_header "# include CYGDAT_IO_SERIAL_DEVICE_HEADER"
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puts $::cdl_header "#endif "
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puts $::cdl_header "/****** proc output end ******/"
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}
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cdl_option CYGOPT_IO_SERIAL_SUPPORT_NONBLOCKING {
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display "Support non-blocking read and write calls"
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default_value 0
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description "
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This option enables extra code in the generic serial driver
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which allows clients to switch read() and write() call
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semantics from blocking to non-blocking."
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}
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cdl_interface CYGINT_IO_SERIAL_BLOCK_TRANSFER {
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display "Driver requires block transfer callback functions"
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description "
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Some low-level drivers can be optimized to transfer blocks
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of data instead of a single character at a time. These usually
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rely on a hardware FIFO of some sort."
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}
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cdl_interface CYGINT_IO_SERIAL_LINE_STATUS_HW {
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display "Serial driver supports line status"
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}
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cdl_option CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS {
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display "Support line status callbacks"
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requires { CYGINT_IO_SERIAL_LINE_STATUS_HW > 0 }
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default_value { 0 != CYGINT_IO_SERIAL_LINE_STATUS_HW }
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description "
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This option indicates that if the serial driver supports it,
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serial line status and modem status information should be
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propagated to higher layers via callbacks."
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}
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cdl_component CYGPKG_IO_SERIAL_FLOW_CONTROL {
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display "Flow control"
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description "
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This component contains options related to flow control."
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flavor bool
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requires (CYGOPT_IO_SERIAL_FLOW_CONTROL_SOFTWARE || \
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CYGOPT_IO_SERIAL_FLOW_CONTROL_HW)
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default_value 0
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cdl_component CYGOPT_IO_SERIAL_FLOW_CONTROL_SOFTWARE {
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display "Software flow control"
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default_value 1
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description "
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This component enables support of software flow control."
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cdl_option CYGDAT_IO_SERIAL_FLOW_CONTROL_XON_CHAR {
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display "Start character"
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flavor data
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default_value 17
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legal_values 0 to 255
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description "
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This option specifies the ascii character used to
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indicate that transmission should start."
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}
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cdl_option CYGDAT_IO_SERIAL_FLOW_CONTROL_XOFF_CHAR {
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display "Stop character"
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flavor data
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default_value 19
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legal_values 0 to 255
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description "
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This option specifies the ascii character used to
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indicate that transmission should stop."
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}
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}
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cdl_option CYGOPT_IO_SERIAL_FLOW_CONTROL_HW {
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display "Hardware flow control"
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active_if { CYGINT_IO_SERIAL_FLOW_CONTROL_HW > 0 }
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requires { CYGINT_IO_SERIAL_FLOW_CONTROL_HW > 0 }
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requires CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS
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default_value { CYGINT_IO_SERIAL_FLOW_CONTROL_HW > 0 ? \
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CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS : 0 }
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description "
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If the hardware supports it, this option allows hardware
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flow control to be enabled. This may be in the form of
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either or both of RTS/CTS, or DSR/DTR flow control."
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}
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cdl_interface CYGINT_IO_SERIAL_FLOW_CONTROL_HW {
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display "Serial h/w supports hardware flow control"
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}
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cdl_option CYGDAT_IO_SERIAL_FLOW_CONTROL_DEFAULT {
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display "Default flow control method"
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flavor data
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legal_values { "NONE" "XONXOFF" "RTSCTS" "DSRDTR" }
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default_value { "NONE" }
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description "This option allows a default flow control method
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to be defined. Combinations of flow control methods
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may also be set, but this is only possible by
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using the cyg_io_set_config() API in source code."
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}
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cdl_option CYGNUM_IO_SERIAL_FLOW_CONTROL_LOW_WATER_PERCENT {
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display "Rx flow control low water mark"
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flavor data
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legal_values 1 to 100
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default_value 33
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description "This sets the water mark used for determining
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when to disable flow control, expressed
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as a percentage of the buffer size. When the
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receive buffer size is lower than this percentage,
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if the transmitter had previously been throttled, it
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will now be informed it can restart."
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}
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cdl_option CYGNUM_IO_SERIAL_FLOW_CONTROL_HIGH_WATER_PERCENT {
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display "Rx flow control high water mark"
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flavor data
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legal_values 1 to 100
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default_value 66
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requires { CYGNUM_IO_SERIAL_FLOW_CONTROL_HIGH_WATER_PERCENT >= \
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CYGNUM_IO_SERIAL_FLOW_CONTROL_LOW_WATER_PERCENT }
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description "This sets the water mark used for determining
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when to enable flow control, expressed
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as a percentage of the buffer size. When the
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receive buffer size exceeds this percentage,
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signals are sent to the transmitter to tell it
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to throttle tranmission."
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}
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}
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cdl_component CYGPKG_IO_SERIAL_TTY {
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display "TTY-mode serial device drivers"
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flavor bool
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default_value 1
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description "
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This option enables a simple terminal-like device driver
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that can be used for serial devices that interact with humans,
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such as a system console."
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script tty.cdl
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compile -library=libextras.a common/tty.c
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}
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cdl_component CYGPKG_IO_SERIAL_TERMIOS {
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display "Termios compatible TTY drivers"
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flavor bool
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requires CYGPKG_ISOINFRA
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requires CYGPKG_IO_FILEIO
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requires CYGINT_ISO_ERRNO_CODES
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requires CYGINT_ISO_ERRNO
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requires CYGINT_ISO_MALLOC
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default_value { 0 != CYGPKG_ISOINFRA && 0 != CYGPKG_IO_FILEIO && \
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implements CYGINT_ISO_TERMIOS
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description "
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This option enables terminal drivers compatible with
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POSIX termios."
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script termios.cdl
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compile common/termios.c
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}
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cdl_component CYGPKG_IO_SERIAL_DEVICES {
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display "Hardware serial device drivers"
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flavor bool
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default_value 0
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description "
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This option enables the hardware device drivers
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for the current platform."
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}
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cdl_option CYGBLD_IO_SERIAL_EXTRA_TESTS {
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display "Build extra serial tests"
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default_value 0
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no_define
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description "
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This option enables the building of some extra tests which
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can be used when testing / debugging serial drivers. These
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are not built by default since they do not use the dedicated
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testing infrastructure."
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make -priority 320 {
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/bin/serial_echo : /tests/serial_echo.c
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@sh -c "mkdir -p tests $(dir $@)"
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$(CC) -c $(INCLUDE_PATH) -Wp,-MD,deps.tmp -I$(dir $<) $(CFLAGS) -o tests/serial_echo.o $<
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@echo $@ ": \\" > $(notdir $@).deps
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@echo $(wildcard $(PREFIX)/lib/*) " \\" >> $(notdir $@).deps
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@tail -n +2 deps.tmp >> $(notdir $@).deps
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@echo >> $(notdir $@).deps
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@rm deps.tmp
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$(CC) $(LDFLAGS) -L$(PREFIX)/lib -Ttarget.ld -o $@ tests/serial_echo.o
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}
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| 261 |
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}
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cdl_component CYGPKG_IO_SERIAL_OPTIONS {
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display "Serial device driver build options"
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flavor none
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description "
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| 267 |
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Package specific build options including control over
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| 268 |
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compiler flags used only in building this package,
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and details of which tests are built."
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cdl_option CYGPKG_IO_SERIAL_CFLAGS_ADD {
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display "Additional compiler flags"
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flavor data
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| 275 |
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no_define
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| 276 |
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default_value { "" }
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| 277 |
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description "
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| 278 |
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This option modifies the set of compiler flags for
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building the serial device drivers. These flags are used in addition
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| 280 |
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to the set of global flags."
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| 281 |
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}
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| 282 |
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| 283 |
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cdl_option CYGPKG_IO_SERIAL_CFLAGS_REMOVE {
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| 284 |
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display "Suppressed compiler flags"
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| 285 |
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flavor data
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| 286 |
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no_define
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| 287 |
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default_value { "" }
|
| 288 |
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description "
|
| 289 |
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This option modifies the set of compiler flags for
|
| 290 |
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building the serial device drivers. These flags are removed from
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| 291 |
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the set of global flags if present."
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| 292 |
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}
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| 293 |
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| 294 |
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cdl_option CYGPKG_IO_SERIAL_TESTS {
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| 295 |
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display "Serial device driver tests"
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| 296 |
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flavor data
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| 297 |
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no_define
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| 298 |
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calculated { CYGPKG_IO_SERIAL_DEVICES ? "tests/serial1 tests/serial2 tests/serial3 tests/serial4 tests/serial5 tests/tty1 tests/tty2 tests/flow1 tests/flow2" : "" }
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| 299 |
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description "
|
| 300 |
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This option specifies the set of tests for the serial device drivers."
|
| 301 |
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}
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| 302 |
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}
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| 303 |
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| 304 |
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cdl_option CYGPKG_IO_SERIAL_SELECT_SUPPORT {
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| 305 |
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display "Enable serial device select support"
|
| 306 |
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flavor bool
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| 307 |
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active_if CYGPKG_IO_FILEIO
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| 308 |
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requires { CYGFUN_IO_FILEIO_SELECT == 1 }
|
| 309 |
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default_value 1
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| 310 |
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description "
|
| 311 |
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This option enables support for the select() API function on all
|
| 312 |
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serial devices."
|
| 313 |
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}
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| 314 |
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| 315 |
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# These could be regular define_proc outputs, but keeping them as
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| 316 |
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# CDL interfaces allow us to possibly skip building/running some
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| 317 |
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# tests.
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| 318 |
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cdl_component CYGPKG_IO_SERIAL_TEST_SPECS {
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| 319 |
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display "Serial testing specification"
|
| 320 |
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flavor bool
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| 321 |
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calculated 1
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| 322 |
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no_define
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| 323 |
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| 324 |
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cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_9600 {
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| 325 |
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display "Skip 9600 baud testing"
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| 326 |
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}
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| 327 |
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| 328 |
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cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_14400 {
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| 329 |
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display "Skip 14400 baud testing"
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| 330 |
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}
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| 331 |
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| 332 |
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cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_19200 {
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| 333 |
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display "Skip 19200 baud testing"
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| 334 |
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}
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| 335 |
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| 336 |
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cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_38400 {
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| 337 |
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display "Skip 38400 baud testing"
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| 338 |
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}
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| 339 |
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| 340 |
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cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_57600 {
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| 341 |
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display "Skip 57600 baud testing"
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| 342 |
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}
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| 343 |
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| 344 |
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cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_115200 {
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| 345 |
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display "Skip 115200 baud testing"
|
| 346 |
|
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}
|
| 347 |
|
|
|
| 348 |
|
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cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_PARITY_EVEN {
|
| 349 |
|
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display "Skip even-parity testing"
|
| 350 |
|
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}
|
| 351 |
|
|
|
| 352 |
|
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cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_PARITY_ODD {
|
| 353 |
|
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display "Skip odd-parity testing"
|
| 354 |
|
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}
|
| 355 |
|
|
|
| 356 |
|
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cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_STOP_2 {
|
| 357 |
|
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display "Skip 2-stop bit testing"
|
| 358 |
|
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}
|
| 359 |
|
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}
|
| 360 |
|
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}
|
| 361 |
|
|
|
| 362 |
|
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# EOF io_serial.cdl
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