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annotate src/nucleus/hid.c @ 7:0f80e1e4dce4

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src/nucleus: library C code import from FreeNucleus package
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 20:57:33 +0000
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1 /*************************************************************************/
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2 /* */
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3 /* Copyright Mentor Graphics Corporation 2002 */
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4 /* All Rights Reserved. */
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5 /* */
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6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */
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7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */
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8 /* SUBJECT TO LICENSE TERMS. */
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9 /* */
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10 /*************************************************************************/
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11
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12 /*************************************************************************/
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13 /* */
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14 /* FILE NAME VERSION */
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15 /* */
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16 /* hid.c Nucleus PLUS 1.14 */
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17 /* */
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18 /* COMPONENT */
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19 /* */
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20 /* HI - History Management */
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21 /* */
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22 /* DESCRIPTION */
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23 /* */
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24 /* This file contains global data structures for use within the */
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25 /* History Management component. */
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26 /* */
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27 /* DATA STRUCTURES */
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28 /* */
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29 /* HID_History_Enable History saving enabled flag */
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30 /* HID_Write_Index Current write index into */
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31 /* history table */
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32 /* HID_Read_Index Current read index into */
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33 /* history table */
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34 /* HID_Entry_Count Number of entries in the */
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35 /* table counter */
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36 /* HID_History_Protect History protection */
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37 /* */
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38 /* FUNCTIONS */
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39 /* */
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40 /* None */
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41 /* */
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42 /* DEPENDENCIES */
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43 /* */
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44 /* hi_defs.h History Management constants */
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45 /* */
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46 /* HISTORY */
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47 /* */
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48 /* DATE REMARKS */
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49 /* */
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50 /* 03-01-1993 Created initial version 1.0 */
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51 /* 04-19-1993 Verified version 1.0 */
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52 /* 03-01-1994 Updated copyright notice, */
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53 /* resulting in version 1.1 */
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54 /* */
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55 /* 03-18-1994 Verified version 1.1 */
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56 /* 04-17-1996 updated to version 1.2 */
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57 /* 03-24-1998 Released version 1.3 */
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58 /* 03-26-1999 Released 1.11m (new release */
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59 /* numbering scheme) */
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60 /* 04-17-2002 Released version 1.13m */
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61 /* 11-07-2002 Released version 1.14 */
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62 /*************************************************************************/
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63 #define NU_SOURCE_FILE
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64
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65 #include "hi_defs.h" /* History constants */
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68 /* HID_History_Enable is a flag that indicates whether or not history saving
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69 is enabled. If this value is NU_FALSE, history saving is disabled.
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70 Otherwise, history saving is enabled. */
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72 INT HID_History_Enable;
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75 /* HID_Write_Index is the index of the next available entry in the history
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76 table. */
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78 INT HID_Write_Index;
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81 /* HID_Read_Index is the index of the oldest entry in the history table. */
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83 INT HID_Read_Index;
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86 /* HID_Entry_Count keeps track of the number of entries currently
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87 in the history table. */
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89 INT HID_Entry_Count;
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92 /* HID_History_Protect is a protection structure used to block any other
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93 thread from access to the history data structures. */
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95 TC_PROTECT HID_History_Protect;
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