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annotate src/nucleus/pii.c @ 136:7d5b412ffb6c

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aci: AT%VBAT and melody play enhancements from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 07 Jan 2019 18:47:52 +0000
parents 0f80e1e4dce4
children
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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 /* pii.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 /* PI - Pipe 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 the initialization routine for the pipe */
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25 /* management component. */
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26 /* */
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27 /* DATA STRUCTURES */
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28 /* */
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29 /* None */
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30 /* */
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31 /* FUNCTIONS */
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32 /* */
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33 /* PII_Initialize Pipe Management Initialize */
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34 /* */
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35 /* DEPENDENCIES */
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36 /* */
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37 /* pi_defs.h Pipe component constants */
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38 /* */
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39 /* HISTORY */
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40 /* */
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41 /* DATE REMARKS */
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42 /* */
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43 /* 03-01-1993 Created initial version 1.0 */
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44 /* 04-19-1993 Verified version 1.0 */
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45 /* 03-01-1994 Modified copyright, resulting in */
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46 /* version 1.1 */
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47 /* */
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48 /* 03-18-1994 Verified version 1.1 */
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49 /* 04-17-1996 updated to version 1.2 */
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50 /* 03-24-1998 Released version 1.3 */
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51 /* 03-26-1999 Released 1.11m (new release */
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52 /* numbering scheme) */
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53 /* 04-17-2002 Released version 1.13m */
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54 /* 11-07-2002 Released version 1.14 */
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55 /*************************************************************************/
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56 #define NU_SOURCE_FILE
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59 #include "pi_defs.h" /* Pipe constants */
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60 #include "pi_extr.h" /* Pipe interfaces */
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63 /* Define external inner-component global data references. */
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65 extern CS_NODE *PID_Created_Pipes_List;
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66 extern UNSIGNED PID_Total_Pipes;
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67 extern TC_PROTECT PID_List_Protect;
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70 /*************************************************************************/
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71 /* */
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72 /* FUNCTION */
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73 /* */
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74 /* PII_Initialize */
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75 /* */
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76 /* DESCRIPTION */
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77 /* */
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78 /* This function initializes the data structures that control the */
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79 /* operation of the Pipe component (PI). There are no pipes */
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80 /* initially. */
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81 /* */
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82 /* CALLED BY */
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83 /* */
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84 /* INC_Initialize System initialization */
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85 /* */
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86 /* CALLS */
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87 /* */
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88 /* None */
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89 /* */
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90 /* INPUTS */
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91 /* */
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92 /* None */
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93 /* */
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94 /* OUTPUTS */
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95 /* */
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96 /* PID_Created_Pipes_List List of created pipes */
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97 /* PID_Total_Pipes Number of created pipes */
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98 /* PID_List_Protect Protection for pipe list */
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99 /* */
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100 /* HISTORY */
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101 /* */
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102 /* DATE REMARKS */
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103 /* */
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104 /* 03-01-1993 Created initial version 1.0 */
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105 /* 04-19-1993 Verified version 1.0 */
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106 /* */
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107 /*************************************************************************/
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108 VOID PII_Initialize(VOID)
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109 {
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111 /* Initialize the created pipe list to NU_NULL. */
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112 PID_Created_Pipes_List = NU_NULL;
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113
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114 /* Initialize the total number of created pipes to 0. */
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115 PID_Total_Pipes = 0;
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116
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117 /* Initialize the list protection structure. */
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118 PID_List_Protect.tc_tcb_pointer = NU_NULL;
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119 }
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