| CMSIS-SVD Version 1.10 CMSIS System View Description

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CMSIS-SVD Schema File Ver. 1.0

    <?xml version="1.0" encoding="UTF-8"?>
    <!--
      @date: 07.12.2011
      @note    Copyright (C) 2011 ARM Limited. All rights reserved.
      @par
       ARM Limited (ARM) is supplying this software for use with Cortex-M
       processor based microcontroller, but can be equally used for other
       suitable  processor architectures. This file can be freely distributed.
       Modifications to this file shall be clearly marked.

      @par
       THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
       OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
       MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
       ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
       CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
     -->

    <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="qualified" version="1.0">

      <xs:simpleType name="registerNameType">
        <xs:restriction base="xs:string">
          <xs:pattern value="((%s)[_A-Za-z]{1}[_A-Za-z0-9]*)|([_A-Za-z]{1}[_A-Za-z0-9]*(\[%s\])?)|([_A-Za-z]{1}[_A-Za-z0-9]*(%s)?[_A-Za-z0-9]*)"/>
        </xs:restriction>
      </xs:simpleType>

      <xs:simpleType name="dimIndexType">
        <xs:restriction base="xs:string">
          <xs:pattern value="[0-9]+\-[0-9]+|[A-Z]-[A-Z]|[_0-9a-zA-Z]+(,\s*[_0-9a-zA-Z]+)+"/>
        </xs:restriction>
      </xs:simpleType>

      <xs:simpleType name="scaledNonNegativeInteger">
        <xs:restriction base="xs:string">
          <xs:pattern value="[+]?(0x|0X|#)?[0-9a-fA-F]+[kmgtKMGT]?"/>
        </xs:restriction>
      </xs:simpleType>

      <xs:simpleType name="enumeratedValueDataType">
        <xs:restriction base="xs:string">
          <xs:pattern value="[+]?(0x|0X|#)?[0-9a-fxA-FX]+"/>
        </xs:restriction>
      </xs:simpleType>

      <xs:simpleType name="accessType">
        <xs:restriction base="xs:token">
          <xs:enumeration value="read-only"/>
          <xs:enumeration value="write-only"/>
          <xs:enumeration value="read-write"/>
          <xs:enumeration value="writeOnce"/>
          <xs:enumeration value="read-writeOnce"/>
        </xs:restriction>
      </xs:simpleType>

      <xs:simpleType name="modifiedWriteValuesType">
        <xs:restriction base="xs:token">
          <xs:enumeration value="oneToClear"/>
          <xs:enumeration value="oneToSet"/>
          <xs:enumeration value="oneToToggle"/>
          <xs:enumeration value="zeroToClear"/>
          <xs:enumeration value="zeroToSet"/>
          <xs:enumeration value="zeroToToggle"/>
          <xs:enumeration value="clear"/>
          <xs:enumeration value="set"/>
          <xs:enumeration value="modify"/>
        </xs:restriction>
      </xs:simpleType>

      <xs:simpleType name="readActionType">
        <xs:restriction base="xs:token">
          <xs:enumeration value="clear"/>
          <xs:enumeration value="set"/>
          <xs:enumeration value="modify"/>
          <xs:enumeration value="modifyExternal"/>
        </xs:restriction>
      </xs:simpleType>

      <xs:simpleType name="enumUsageType">
        <xs:restriction base="xs:token">
          <xs:enumeration value="read"/>
          <xs:enumeration value="write"/>
          <xs:enumeration value="read-write"/>
        </xs:restriction>
      </xs:simpleType>

      <xs:simpleType name="bitRangeType">
        <xs:restriction base="xs:token">
          <xs:pattern value="\[([0-3])?[0-9]:([0-3])?[0-9]\]"/>
        </xs:restriction>
      </xs:simpleType>

      <xs:complexType name="writeConstraintType">
        <xs:choice>
          <xs:element name="writeAsRead" type="xs:boolean"/>
          <xs:element name="useEnumeratedValues" type="xs:boolean"/>
          <xs:element name="range">
            <xs:complexType>
              <xs:sequence>
                <xs:element name="minimum" type="scaledNonNegativeInteger"/>
                <xs:element name="maximum" type="scaledNonNegativeInteger"/>
              </xs:sequence>
            </xs:complexType>
          </xs:element>
        </xs:choice>
      </xs:complexType>

      <xs:complexType name="addressBlockType">
        <xs:sequence>
          <xs:element name="offset" type="scaledNonNegativeInteger"/>
          <xs:element name="size" type="scaledNonNegativeInteger"/>
          <xs:element name="usage">
            <xs:simpleType>
              <xs:restriction base="xs:token">
                <xs:enumeration value="registers"/>
                <xs:enumeration value="buffer"/>
                <xs:enumeration value="reserved"/>
              </xs:restriction>
            </xs:simpleType>
          </xs:element>
        </xs:sequence>
      </xs:complexType>

      <xs:complexType name="interruptType">
        <xs:sequence>
          <xs:element name="name" type="xs:string"/>
          <xs:element name="value" type="xs:integer"/>
        </xs:sequence>
      </xs:complexType>

      <xs:group name="registerPropertiesGroup">
        <xs:sequence>
          <xs:element name="size" type="scaledNonNegativeInteger" minOccurs="0"/>
          <xs:element name="access" type="accessType" minOccurs="0"/>
          <xs:element name="resetValue" type="scaledNonNegativeInteger" minOccurs="0"/>
          <xs:element name="resetMask" type="scaledNonNegativeInteger" minOccurs="0"/>
        </xs:sequence>
      </xs:group>

      <xs:group name="bitRangeLsbMsbStyle">
        <xs:sequence>
          <xs:element name="lsb"  type="scaledNonNegativeInteger"/>
          <xs:element name="msb"  type="scaledNonNegativeInteger"/>
        </xs:sequence>
      </xs:group>

      <xs:group name="bitRangeOffsetWidthStyle">
        <xs:sequence>
          <xs:element name="bitOffset" type="scaledNonNegativeInteger"/>
          <xs:element name="bitWidth" type="scaledNonNegativeInteger" minOccurs="0"/>
        </xs:sequence>
      </xs:group>

      <xs:group name="dimElementGroup">
        <xs:sequence>
          <xs:element name="dim" type="scaledNonNegativeInteger"/>
          <xs:element name="dimIncrement" type="scaledNonNegativeInteger"/>
          <xs:element name="dimIndex" type="dimIndexType" minOccurs="0"/>
        </xs:sequence>
      </xs:group>

      <xs:element name="device" nillable="true">
        <xs:complexType>
          <xs:sequence>
            <xs:element name="name" type="xs:string"/>
            <xs:element name="version" type="xs:string"/>
            <xs:element name="description" type="xs:string"/>
            <xs:element name="addressUnitBits" type="scaledNonNegativeInteger"/>
            <xs:element name="width" type="scaledNonNegativeInteger"/>
            <xs:group ref="registerPropertiesGroup" minOccurs="0"/>
            <xs:element name="peripherals">
              <xs:complexType>
                <xs:sequence>
                  <xs:element name="peripheral" minOccurs="1" maxOccurs="unbounded">
                    <xs:complexType>
                      <xs:sequence>
                        <xs:element name="name" type="xs:Name"/>
                        <xs:element name="version" type="xs:string" minOccurs="0"/>
                        <xs:element name="description" type="xs:string" minOccurs="0"/>
                        <xs:element name="groupName" type="xs:string" minOccurs="0"/>
                        <xs:element name="prependToName" type="xs:string" minOccurs="0"/>
                        <xs:element name="appendToName" type="xs:string" minOccurs="0"/>
                        <xs:element name="disableCondition" type="xs:string" minOccurs="0"/>
                        <xs:element name="baseAddress" type="scaledNonNegativeInteger"/>
                        <xs:group ref="registerPropertiesGroup" minOccurs="0"/>
                        <xs:element name="addressBlock" type="addressBlockType" minOccurs="0" maxOccurs="unbounded"/>
                        <xs:element name="interrupt" type="interruptType" minOccurs="0" maxOccurs="unbounded"/>
                        <xs:element name="registers" minOccurs="0" maxOccurs="1">
                          <xs:complexType>
                            <xs:sequence>
                              <xs:element name="register" minOccurs="1" maxOccurs="unbounded">
                                <xs:complexType>
                                  <xs:sequence>
                                    <xs:group ref="dimElementGroup" minOccurs="0"/>
                                    <xs:element name="name" type="registerNameType"/> <!-- was xs:Name -->
                                    <xs:element name="displayName" type="xs:string" minOccurs="0"/>
                                    <xs:element name="description" type="xs:string" minOccurs="0"/>
                                    <xs:element name="alternateGroup" type="xs:Name" minOccurs="0"/>
                                    <xs:element name="addressOffset" type="scaledNonNegativeInteger"/>
                                    <xs:group ref="registerPropertiesGroup" minOccurs="0"/>
                                    <xs:element name="modifiedWriteValues" type="modifiedWriteValuesType" minOccurs="0"/>
                                    <xs:element name="writeConstraint" type="writeConstraintType" minOccurs="0"/>
                                    <xs:element name="readAction" type="readActionType" minOccurs="0"/>
                                    <xs:element name="fields" minOccurs="0" maxOccurs="1">
                                      <xs:complexType>
                                        <xs:sequence>
                                          <xs:element name="field" minOccurs="1" maxOccurs="unbounded">
                                          <xs:complexType>
                                            <xs:sequence>
                                              <xs:element name="name" type="xs:string"/>
                                              <xs:element name="description" type="xs:string" minOccurs="0"/>
                                              <xs:choice>
                                                <xs:group ref="bitRangeLsbMsbStyle" minOccurs="0"/>
                                                <xs:group ref="bitRangeOffsetWidthStyle" minOccurs="0"/>
                                                <xs:element name="bitRange" type="bitRangeType" minOccurs="0"/>
                                              </xs:choice>
                                              <xs:element name="access" type="accessType" minOccurs="0"/>
                                              <xs:element name="modifiedWriteValues" type="modifiedWriteValuesType" minOccurs="0"/>
                                              <xs:element name="writeConstraint" type="writeConstraintType" minOccurs="0"/>
                                              <xs:element name="readAction" type="readActionType" minOccurs="0"/>
                                              <xs:element name="enumeratedValues" minOccurs="0" maxOccurs="2">
                                                <xs:complexType>
                                                  <xs:sequence>
                                                    <xs:element name="name" type="xs:Name" minOccurs="0"/>
                                                    <xs:element name="usage" type="enumUsageType" minOccurs="0"/>
                                                    <xs:element name="enumeratedValue" minOccurs="1" maxOccurs="unbounded">
                                                      <xs:complexType>
                                                        <xs:sequence>
                                                          <xs:element name="name" type="xs:string"/>
                                                          <xs:element name="description" type="xs:string" minOccurs="0"/>
                                                          <xs:choice>
                                                            <xs:element name="value" type="enumeratedValueDataType"/>
                                                            <xs:element name="isDefault" type="xs:boolean"/>
                                                          </xs:choice>
                                                        </xs:sequence>
                                                      </xs:complexType>
                                                    </xs:element>
                                                  </xs:sequence>
                                                  <xs:attribute name="derivedFrom" type="xs:Name" use="optional"/>
                                                </xs:complexType>
                                              </xs:element>
                                            </xs:sequence>
                                            <xs:attribute name="derivedFrom" type="xs:Name" use="optional"/>
                                          </xs:complexType>
                                        </xs:element>
                                        </xs:sequence>
                                      </xs:complexType>
                                    </xs:element>
                                  </xs:sequence>
                                  <xs:attribute name="derivedFrom" type="xs:Name" use="optional"/>
                                </xs:complexType>
                              </xs:element>
                            </xs:sequence>
                          </xs:complexType>
                        </xs:element>
                      </xs:sequence>
                      <xs:attribute name="derivedFrom" type="xs:Name" use="optional"/>
                    </xs:complexType>
                  </xs:element>
                </xs:sequence>
              </xs:complexType>
            </xs:element>
            <xs:element name="vendorExtensions" minOccurs="0" maxOccurs="1">
              <xs:complexType>
                <xs:sequence>
                  <xs:any namespace="##any" processContents="lax" minOccurs="0" maxOccurs="unbounded">
                  </xs:any>
                </xs:sequence>
              </xs:complexType>
            </xs:element>
          </xs:sequence>
          <xs:attribute name="schemaVersion" type="xs:decimal" use="required" fixed="1.0"/>
        </xs:complexType>
      </xs:element>
    </xs:schema>