SIST EN 4660-005:2011

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aeronavtika - Modularne in odprte letalske elektronske arhitekture - 005. del: Programska opremaLuft- und Raumfahrt - Modulare und offene Avionikarchitekturen - Teil 005: SoftwareSérie aérospatiale - Architectures Avioniques Modulaires et Ouvertes - Partie 005: SoftwareAerospace series - Modular and Open Avionics Architectures - Part 005: Software49.090On-board equipment and instrumentsICS:Ta slovenski standard je istoveten z:EN 4660-005:2011SIST EN 4660-005:2011en,fr,de01-oktober-2011SIST EN 4660-005:2011SLOVENSKI
STANDARD



SIST EN 4660-005:2011



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4660-005
May 2011 ICS 49.090 English Version
Aerospace series - Modular and Open Avionics Architectures - Part 005: Software
Série aérospatiale - Architectures Avioniques Modulaires et Ouvertes - Partie 005: Software
Luft- und Raumfahrt - Modulare und offene Avionikarchitekturen - Teil 005: Software This European Standard was approved by CEN on 26 June 2010.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
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B-1000 Brussels © 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4660-005:2011: ESIST EN 4660-005:2011



EN 4660-005:2011 (E) 2 Contents Page 0 Introduction . 11 0.1 Purpose . 11 0.2 Document structure . 12 1 Scope . 12 1.1 Software Architecture Overview . 12 1.2 Software Architectural Components . 13 2 Normative references . 15 3 Terms, definitions and abbreviations . 16 3.1 Terms and definitions . 16 3.2 Abbreviations . 16 4 System Functions . 19 4.1 System Management Function . 19 4.2 Communication . 26 4.3 Security Management . 45 4.4 Module Management . 49 4.5 Mass Memory Management . 50 4.6 Graphics Management . 54 4.7 Power Management . 56 4.8 Network Management . 58 4.9 Time Management. 61 5 Software Architecture Definition . 65 5.1 MSL . 66 5.2 OSL . 71 5.3 RTBP . 107 5.4 Application Layer . 110 6 Direct Interfaces Definitions . 117 6.1 APOS . 117 6.2 MOS . 189 6.3 SMBP . 270 6.4 SMOS . 296 7 Logical Interfaces Definitions . 341 7.1 OLI . 341 7.2 GLI . 348 7.3 SMLI . 373 7.4 MLI . 381 8 Data Type Definitions . 439 8.1 IDL . 439 8.2 Data Types . 441 9 Tailoring . 487 SIST EN 4660-005:2011



EN 4660-005:2011 (E) 3 Annex A (normative)
AGL . 496 A.1 The Concept . 496 A.2 Graphical Command Set . 496 A.2.1 Overview . 496 A.2.2 Command Listings . 497 A.2.3 Auxiliary Library (AL) Definition . 501 A.2.4 Video Library (VL) Definition . 502 A.2.5 Texture Mapping Constraints . 503 A.2.6 Display Frame and Synchronisation . 505 A.2.7 Command Responses and Delays . 505
Figures Page Figure 1 — ASAAC Standard Documentation Hierarchy . 11 Figure 2 — ASAAC Three Layer Software Architecture . 12 Figure 3 — The Software Architecture Model . 13 Figure 4 — Hierarchical Organisation of the System Management . 20 Figure 5 — GSM Decomposition for RE-Management (Example) . 21 Figure 6 — IA Application Control (Example) . 22 Figure 7 — GSM Decomposition for Module Management (Example) . 23 Figure 8 — Hierarchical Organisation of the AM (Example) . 24 Figure 9 — The ASAAC Communication Stack . 27 Figure 10 — Types of Data Transfer . 29 Figure 11 — Communication Concept . 30 Figure 12 — Between AL Communication Routing . 31 Figure 13 — ASAAC Message in BMC Data Transfer . 33 Figure 14 — Multicast Scheme With a Single TC . 34 Figure 15 — Multicast Scheme With Multiple Simple TC’s . 35 Figure 16 — Data Parallelism . 36 Figure 17 — Corner Turn . 36 Figure 18 — Corner Turn in Three Dimensions. 37 Figure 19 — Illustration of the Involved Services in DSP1 . 38 Figure 20 — Data Representation . 41 Figure 21 — GSM Interfaces . 46 SIST EN 4660-005:2011



EN 4660-005:2011 (E) 4 Figure 22 — Main Security Related Architectural Components . 47 Figure 23 — VC transferring Data Requiring Encryption & Decryption . 48 Figure 24 — File Handling by a Remote Application . 51 Figure 25 — MMM Download onto a CFM with only the MSL. 52 Figure 26 — CFM Download onto a CFM with only the MSL . 53 Figure 27 — Application Download . 54 Figure 28 — Graphics Concept . 55 Figure 29 — Graphics Standard . 55 Figure 30 — Application Control . 57 Figure 31 — PCM Management (Example) . 57 Figure 32 — Configuration of a NSM . 60 Figure 33 — Network Configuration Message Format . 60 Figure 34 — Clock Hierarchy in an ASAAC System . 63 Figure 35 — Software Architecture . 65 Figure 36 — ASAAC Software Stack on a CFM . 67 Figure 37 — GSM Logical Interface . 72 Figure 38 — GSM: External Interfaces . 73 Figure 39 — Thread State Transition Diagram with sample APOS services . 81 Figure 40 — Process State Diagram . 86 Figure 41 — Example for a 1 to N FIFO . 89 Figure 42 — Example for a 1 to N LIFO . 89 Figure 43 — OS Error Handling of an Application Error . 97 Figure 44 — OS Error Handling of an MSL Error Due to a Return of a MOS Service . 98 Figure 45 — OS Error Handling of an MSL Error Due to a CBIT Status . 99 Figure 46 — The OLI . 101 Figure 47 — Decomposition for OLI . 101 Figure 48 — RTBP Tree Concept . 108 Figure 49 — Relation of Processes and Threads and VC’s. 111 Figure 50 — Software Architecture Model - Three-Layer Stack (TLS) . 189 SIST EN 4660-005:2011



EN 4660-005:2011 (E) 5 Figure 51 — MOS Software Architecture Model . 189 Figure 52 — sendFragmentedTransfer Data Buffer Description . 247 Figure 53 — Splitting of Incoming Data with receiveFragmentedTransfer . 249 Figure 54 — Different Step Sizes with Fragmented Transfers . 250 Figure 55 — Root Definition . 274 Figure 56 — Function Set Definition . 275 Figure 57 — Configuration Set Definition . 276 Figure 58 — Process Set Definition . 278 Figure 59 — VC Set Definition . 279 Figure 60 — TC Set Definition . 280 Figure 61 — CFM Set Definition . 281 Figure 62 — PE Set Definition . 282 Figure 63 — Clock Set Definition . 282 Figure 64 — State Machine Set Definition . 284 Figure 65 — General VC Message Format . 342 Figure 66 — File Reading Protocol . 344 Figure 67 — Remote MLI Download Management Protocol . 345 Figure 68 — General SMLI Message Format . 374 Figure 69 — General TC Message Format . 381 Figure 70 — General MLI Message Format . 382 Figure 71 — Optional Parameter Element Format . 382 Figure 72 — Request PBIT Result Format . 384 Figure 73 — Reply PBIT Result Format . 384 Figure 74 — Request CFM Status Format . 385 Figure 75 — Reply CFM Status Format . 386 Figure 76 — Request CFM Info Format . 389 Figure 77 — Reply CFM Info Format . 390 Figure 78 — Test Message Format . 390 Figure 79 — Test Message Acknowledge Format . 391 SIST EN 4660-005:2011



EN 4660-005:2011 (E) 6 Figure 80 — Request IBIT Start Format . 391 Figure 81 — Reply IBIT Start Format . 392 Figure 82 — Request IBIT Result Format . 392 Figure 83 — Reply IBIT Result Format . 393 Figure 84 — Load Image Format . 394 Figure 85 — Load Image Acknowledge Format . 396 Figure 86 — Load Routing Table Format . 397 Figure 87 — Load Routing Table Acknowledge Format . 403 Figure 88 — Load Time Configuration Format . 404 Figure 89 — Load Time Configuration Acknowledge Format . 409 Figure 90 — Request AGT Format . 410 Figure 91 — Reply AGT Format . 410 Figure 92 — Ready_For_ALT_Synchro Format . 411 Figure 93 — Start_ALT_Synchro Format . 412 Figure 94 — Request ALT Format . 412 Figure 95 — Reply ALT Format . 413 Figure 96 — Request AGT ALT Format . 414 Figure 97 —Reply AGT ALT Format . 414 Figure 98 — Load Network Configuration Format . 416 Figure 99 — NSM Switch Command Format . 417 Figure 100 — NSM Connection Command Format . 418 Figure 101 — NSM Reset Command Format . 418 Figure 102 – NSM Execute Command Format . 418 Figure 103 — Load Network Configuration Acknowledge Format . 419 Figure 104 — Load Network Configuration Format . 420 Figure 105 — Reply Network Status Format . 420 Figure 106 — Load Power Switches Configuration Format . 422 Figure 107 — PCM Switch Command Format . 423 Figure 108 – Power Switch Command Format . 424 SIST EN 4660-005:2011



EN 4660-005:2011 (E) 7 Figure 109 — Power Switch Reset Format . 424 Figure 110 — Power Switch Configuration Acknowledge Format . 424 Figure 111 — Request Power Switch Status Format . 426 Figure 112 — Reply Power Switches Status Format . 426 Figure 113 — General CFM Resource Management Protocol . 429 Figure 114 — General Download Management Protocol . 432 Figure 115 — General Time Management Protocol . 434 Figure 116 — Load Network Configuration Format . 440 Figure A.1 — Graphics Concept . 496
Tables
Page Table 1 — Software Layer Independence . 13 Table 2 — CBIT Modes . 26 Table 3 — Routing Information and Data Transfer . 33 Table 4 — IDL Primitive Types . 43 Table 5 — IDL Constructive Types . 45 Table 6 — Power Switching Services . 56 Table 7 — Layers, Process Classes, and Standardised Interfaces . 66 Table 8 — List of SMOS Services for RE-CM . 74 Table 9 — List of SMOS Services for RE-HM . 75 Table 10 — List of SMOS Services for RE-FM . 75 Table 11 — List of SMOS Services for RE-SM . 76 Table 12 — List of SMOS Services for IA-CM . 77 Table 13 — List of SMOS Services for IA-FM . 78 Table 14 — List of SMOS Services for AC-FM . 79 Table 15 — Transition of Thread States . 82 Table 16 — Condition of State Transition . 82 Table 17 — Properties of Time Services . 93 Table 18 — Resource Parameters of Basic Resource Entities . 112 SIST EN 4660-005:2011



EN 4660-005:2011 (E) 8 Table 19 — Criticality Classes of APOS Services . 113 Table 20 — Safety Restriction Definitions . 116 Table 21 — APOS Services . 118 Table 22 — APOS File Seek Modes . 180 Table 23 — Core MOS Services . 190 Table 24 — Specific Board MOS Services .
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