Mercurial > flash_v2

annotate packages/io/serial/current/cdl/io_serial.cdl @ 130:eb9fd8c04db3 ecos-sw-2000-10-23

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Merge from eCos master repository on 2000-10-23-17:01:37-BST
author jlarmour
date Mon, 23 Oct 2000 17:10:57 +0000
parents 518f42066aba
children e0c0827131d1
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1 # ====================================================================
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2 #
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3 # io_serial.cdl
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4 #
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5 # eCos IO configuration data
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6 #
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7 # ====================================================================
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8 #####COPYRIGHTBEGIN####
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9 #
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10 # -------------------------------------------
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11 # The contents of this file are subject to the Red Hat eCos Public License
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12 # Version 1.1 (the "License"); you may not use this file except in
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13 # compliance with the License. You may obtain a copy of the License at
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14 # http://www.redhat.com/
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15 #
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16 # Software distributed under the License is distributed on an "AS IS"
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17 # basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 # License for the specific language governing rights and limitations under
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19 # the License.
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20 #
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21 # The Original Code is eCos - Embedded Configurable Operating System,
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22 # released September 30, 1998.
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23 #
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24 # The Initial Developer of the Original Code is Red Hat.
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25 # Portions created by Red Hat are
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26 # Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 # All Rights Reserved.
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28 # -------------------------------------------
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29 #
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30 #####COPYRIGHTEND####
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31 # ====================================================================
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32 ######DESCRIPTIONBEGIN####
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33 #
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34 # Author(s): jskov
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35 # Original data: gthomas
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36 # Contributors:
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37 # Date: 1999-07-07
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38 #
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39 #####DESCRIPTIONEND####
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40 #
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41 # ====================================================================
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42
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43 cdl_package CYGPKG_IO_SERIAL {
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44 display "Serial device drivers"
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45 active_if CYGPKG_IO
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46 requires CYGPKG_ERROR
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47 include_dir cyg/io
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48 description "
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49 This option enables drivers for basic I/O services on
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50 serial devices."
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51 doc redirect/ecos-device-drivers.html
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52
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53 compile -library=libextras.a common/serial.c
82
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54
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55 define_proc {
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56 puts $::cdl_header "/***** proc output start *****/"
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57 puts $::cdl_header "#include <pkgconf/system.h>"
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58 puts $::cdl_header "#ifdef CYGDAT_IO_SERIAL_DEVICE_HEADER"
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59 puts $::cdl_header "# include CYGDAT_IO_SERIAL_DEVICE_HEADER"
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60 puts $::cdl_header "#endif "
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61 puts $::cdl_header "/****** proc output end ******/"
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62 }
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63
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64 cdl_option CYGOPT_IO_SERIAL_SUPPORT_NONBLOCKING {
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65 display "Support non-blocking read and write calls"
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66 default_value 0
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67 description "
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68 This option enables extra code in the generic serial driver
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69 which allows clients to switch read() and write() call
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70 semantics from blocking to non-blocking."
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71 }
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72
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73 cdl_interface CYGINT_IO_SERIAL_BLOCK_TRANSFER {
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74 display "Driver requires block transfer callback functions"
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75 description "
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76 Some low-level drivers can be optimized to transfer blocks
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77 of data instead of a single character at a time. These usually
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78 rely on a hardware FIFO of some sort."
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79 }
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80
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81 cdl_interface CYGINT_IO_SERIAL_LINE_STATUS_HW {
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82 display "Serial driver supports line status"
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83 }
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84
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85 cdl_option CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS {
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86 display "Support line status callbacks"
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87 requires { CYGINT_IO_SERIAL_LINE_STATUS_HW > 0 }
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88 default_value { 0 != CYGINT_IO_SERIAL_LINE_STATUS_HW }
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89 description "
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90 This option indicates that if the serial driver supports it,
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91 serial line status and modem status information should be
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92 propagated to higher layers via callbacks."
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93 }
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94
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95 cdl_component CYGPKG_IO_SERIAL_FLOW_CONTROL {
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96 display "Flow control"
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97 description "
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98 This component contains options related to flow control."
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99 flavor bool
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100 requires (CYGOPT_IO_SERIAL_FLOW_CONTROL_SOFTWARE || \
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101 CYGOPT_IO_SERIAL_FLOW_CONTROL_HW)
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102 default_value 0
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103
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104 cdl_component CYGOPT_IO_SERIAL_FLOW_CONTROL_SOFTWARE {
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105 display "Software flow control"
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106 default_value 1
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107 description "
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108 This component enables support of software flow control."
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109
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110 cdl_option CYGDAT_IO_SERIAL_FLOW_CONTROL_XON_CHAR {
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111 display "Start character"
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112 flavor data
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113 default_value 17
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114 legal_values 0 to 255
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115 description "
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116 This option specifies the ascii character used to
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117 indicate that transmission should start."
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118 }
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119
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120 cdl_option CYGDAT_IO_SERIAL_FLOW_CONTROL_XOFF_CHAR {
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121 display "Stop character"
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122 flavor data
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123 default_value 19
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124 legal_values 0 to 255
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125 description "
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126 This option specifies the ascii character used to
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127 indicate that transmission should stop."
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128 }
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129 }
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130
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131 cdl_option CYGOPT_IO_SERIAL_FLOW_CONTROL_HW {
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132 display "Hardware flow control"
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133 active_if { CYGINT_IO_SERIAL_FLOW_CONTROL_HW > 0 }
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134 requires { CYGINT_IO_SERIAL_FLOW_CONTROL_HW > 0 }
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135 requires CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS
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136 default_value { CYGINT_IO_SERIAL_FLOW_CONTROL_HW > 0 ? \
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137 CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS : 0 }
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138 description "
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139 If the hardware supports it, this option allows hardware
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140 flow control to be enabled. This may be in the form of
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141 either or both of RTS/CTS, or DSR/DTR flow control."
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142 }
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143
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144 cdl_interface CYGINT_IO_SERIAL_FLOW_CONTROL_HW {
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145 display "Serial h/w supports hardware flow control"
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146 }
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147
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148 cdl_option CYGDAT_IO_SERIAL_FLOW_CONTROL_DEFAULT {
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149 display "Default flow control method"
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150 flavor data
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151 legal_values { "NONE" "XONXOFF" "RTSCTS" "DSRDTR" }
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152 default_value { "NONE" }
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153 description "This option allows a default flow control method
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154 to be defined. Combinations of flow control methods
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155 may also be set, but this is only possible by
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156 using the cyg_io_set_config() API in source code."
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157 }
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158
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159 cdl_option CYGNUM_IO_SERIAL_FLOW_CONTROL_LOW_WATER_PERCENT {
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160 display "Rx flow control low water mark"
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161 flavor data
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162 legal_values 1 to 100
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163 default_value 33
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164 description "This sets the water mark used for determining
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165 when to disable flow control, expressed
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166 as a percentage of the buffer size. When the
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167 receive buffer size is lower than this percentage,
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168 if the transmitter had previously been throttled, it
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169 will now be informed it can restart."
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170 }
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171
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172 cdl_option CYGNUM_IO_SERIAL_FLOW_CONTROL_HIGH_WATER_PERCENT {
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173 display "Rx flow control high water mark"
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174 flavor data
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175 legal_values 1 to 100
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176 default_value 66
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177 requires { CYGNUM_IO_SERIAL_FLOW_CONTROL_HIGH_WATER_PERCENT >= \
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178 CYGNUM_IO_SERIAL_FLOW_CONTROL_LOW_WATER_PERCENT }
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179 description "This sets the water mark used for determining
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180 when to enable flow control, expressed
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181 as a percentage of the buffer size. When the
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182 receive buffer size exceeds this percentage,
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183 signals are sent to the transmitter to tell it
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184 to throttle tranmission."
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185 }
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186
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187 }
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188
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189 cdl_component CYGPKG_IO_SERIAL_TTY {
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190 display "TTY-mode serial device drivers"
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191 flavor bool
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192 default_value 1
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193 description "
115
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194 This option enables a simple terminal-like device driver
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195 that can be used for serial devices that interact with humans,
76
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196 such as a system console."
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197
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198 script tty.cdl
115
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199 compile -library=libextras.a common/tty.c
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200 }
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201
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202 cdl_component CYGPKG_IO_SERIAL_TERMIOS {
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203 display "Termios compatible TTY drivers"
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204 flavor bool
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205 requires CYGPKG_ISOINFRA
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206 requires CYGPKG_IO_FILEIO
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207 requires CYGINT_ISO_ERRNO_CODES
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208 requires CYGINT_ISO_ERRNO
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209 requires CYGINT_ISO_MALLOC
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210 default_value { 0 != CYGPKG_ISOINFRA && 0 != CYGPKG_IO_FILEIO && \
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211 0 != CYGINT_ISO_ERRNO_CODES && \
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212 0 != CYGINT_ISO_ERRNO }
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213 implements CYGINT_ISO_TERMIOS
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214 description "
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215 This option enables terminal drivers compatible with
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216 POSIX termios."
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217
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218 script termios.cdl
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219 compile -library=libextras.a common/termiostty.c
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220 compile common/termios.c
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221 }
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222
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223 cdl_component CYGPKG_IO_SERIAL_DEVICES {
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224 display "Hardware serial device drivers"
76
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225 flavor bool
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226 default_value 0
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227 description "
82
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228 This option enables the hardware device drivers
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229 for the current platform."
76
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230 }
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231
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232 cdl_option CYGBLD_IO_SERIAL_EXTRA_TESTS {
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233 display "Build extra serial tests"
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234 default_value 0
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235 no_define
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236 description "
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237 This option enables the building of some extra tests which
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238 can be used when testing / debugging serial drivers. These
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239 are not built by default since they do not use the dedicated
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240 testing infrastructure."
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241
82
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242 make -priority 320 {
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243 <PREFIX>/bin/serial_echo : <PACKAGE>/tests/serial_echo.c
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244 @sh -c "mkdir -p tests $(dir $@)"
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245 $(CC) -c $(INCLUDE_PATH) -Wp,-MD,deps.tmp -I$(dir $<) $(CFLAGS) -o tests/serial_echo.o $<
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246 @echo $@ ": \\" > $(notdir $@).deps
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247 @echo $(wildcard $(PREFIX)/lib/*) " \\" >> $(notdir $@).deps
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248 @tail +2 deps.tmp >> $(notdir $@).deps
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249 @echo >> $(notdir $@).deps
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250 @rm deps.tmp
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251 $(CC) $(LDFLAGS) -L$(PREFIX)/lib -Ttarget.ld -o $@ tests/serial_echo.o
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252 }
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253 }
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254
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255 cdl_component CYGPKG_IO_SERIAL_OPTIONS {
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256 display "Serial device driver build options"
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257 flavor none
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258 description "
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259 Package specific build options including control over
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260 compiler flags used only in building this package,
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261 and details of which tests are built."
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262
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263
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264 cdl_option CYGPKG_IO_SERIAL_CFLAGS_ADD {
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265 display "Additional compiler flags"
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266 flavor data
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267 no_define
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268 default_value { "" }
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269 description "
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270 This option modifies the set of compiler flags for
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271 building the serial device drivers. These flags are used in addition
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272 to the set of global flags."
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273 }
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274
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275 cdl_option CYGPKG_IO_SERIAL_CFLAGS_REMOVE {
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276 display "Suppressed compiler flags"
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277 flavor data
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278 no_define
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279 default_value { "" }
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280 description "
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281 This option modifies the set of compiler flags for
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282 building the serial device drivers. These flags are removed from
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283 the set of global flags if present."
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284 }
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285
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286 cdl_option CYGPKG_IO_SERIAL_TESTS {
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287 display "Serial device driver tests"
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288 flavor data
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289 no_define
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290 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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291 description "
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292 This option specifies the set of tests for the serial device drivers."
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293 }
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294 }
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295
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296 cdl_option CYGPKG_IO_SERIAL_SELECT_SUPPORT {
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297 display "Enable serial device select support"
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298 flavor bool
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299 active_if CYGPKG_IO_FILEIO
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300 requires CYGPKG_IO_FILEIO
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301 default_value 1
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302 description "
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303 This option enables support for the select() API function on all
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304 serial devices."
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305 }
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306
130
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307 # These could be regular define_proc outputs, but keeping them as
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308 # CDL interfaces allow us to possibly skip building/running some
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309 # tests.
126
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310 cdl_component CYGPKG_IO_SERIAL_TEST_SPECS {
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311 display "Serial testing specification"
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312 flavor bool
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313 calculated 1
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314 no_define
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315
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316 cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_9600 {
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317 display "Skip 9600 baud testing"
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318 }
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319
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320 cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_14400 {
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321 display "Skip 14400 baud testing"
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322 }
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323
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324 cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_19200 {
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325 display "Skip 19200 baud testing"
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326 }
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327
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328 cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_38400 {
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329 display "Skip 38400 baud testing"
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330 }
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331
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332 cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_57600 {
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333 display "Skip 57600 baud testing"
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334 }
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335
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336 cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_115200 {
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337 display "Skip 115200 baud testing"
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338 }
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339
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340 cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_PARITY_EVEN {
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341 display "Skip even-parity testing"
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342 }
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343
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344 cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_PARITY_ODD {
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345 display "Skip odd-parity testing"
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346 }
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347
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348 cdl_interface CYGINT_IO_SERIAL_TEST_SKIP_STOP_2 {
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349 display "Skip 2-stop bit testing"
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350 }
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351 }
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352 }
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353
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354 # EOF io_serial.cdl