FreeCalypso > hg > fc-magnetite

annotate src/ui3/bmi/mmiBlkManager.c @ 541:5019764a0e9f

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doc/Config-vars: RVTMUX_ON_MODEM documented
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 06 Nov 2018 05:20:02 +0000
parents 6a4d9f47793e
children
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1 /*******************************************************************************
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2
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3 CONDAT (UK)
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4
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5 ********************************************************************************
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6
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7 This software product is the property of Condat (UK) Ltd and may not be
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8 disclosed to any third party without the express permission of the owner.
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9
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10 ********************************************************************************
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11
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12 $Project name: Basic MMI
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13 $Project code: BMI (6349)
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14 $Module: PhoneBook
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15 $File: MmiBlkManager.c
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16 $Revision: 1.0
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17
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18 $Author: Condat(UK)
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19 $Date: 25/10/00
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21 ********************************************************************************
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22
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23 Description:
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24
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25 This module, in conjunction with the MmiBlkResources module,
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26 provides the access to block resources for the MMI.
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28 The block manager is responsible for creating and initialising
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29 the structures and tables to allow access to the strings, icons
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30 sounds and vibrations required by the MMI.
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32 Each of these items is effectively a contiguous block of memory,
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33 which is accessed via a block resource. Each of the block resources
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34 are provided by this package
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36 ********************************************************************************
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37
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38 $History: MmiBlkManager.c
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40 25/10/00 Original Condat(UK) BMI version.
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41
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42 $End
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44 *******************************************************************************/
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47 /*******************************************************************************
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48
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49 Include Files
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50
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51 *******************************************************************************/
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52
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53 #define ENTITY_MFW
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54
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55 /* includes */
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56 #include <string.h>
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57 #include <stdio.h>
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58 #include <stdlib.h>
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59
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60 #if defined (NEW_FRAME)
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61
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62 #include "typedefs.h"
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63 #include "vsi.h"
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64 #include "pei.h"
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65 #include "custom.h"
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66 #include "gsm.h"
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67
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68 #else
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69
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70 #include "STDDEFS.H"
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71 #include "custom.h"
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72 #include "gsm.h"
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73 #include "vsi.h"
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74
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75 #endif
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76 // #include <malloc.h>
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77
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78 #include "MmiBlkManager.h"
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81 /*******************************************************************************
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82
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83 Local structures and definitions
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84
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85 *******************************************************************************/
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86
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87 /* Define a type for the manager control block, this contains
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88 an array identifying each of the resource manager handles
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89 which are populated as part of the initialisation sequence
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90 */
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91 #define BLOCK_MANAGER_KEY 0x00BABE01L
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92 #define BLOCK_MANAGER_ENTRY_COUNT 0x00000010L
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93
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94 typedef struct _tManagerEntry_
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95 {
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96 tBlkId Id;
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97 int NumEntries;
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98 tBlkHandle EntryBase;
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99 } tManagerEntry, *pManagerEntry;
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100
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101 typedef struct _tManagerControl_
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102 {
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103 long int BlkKey;
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104 tBlkHandle BaseAddress;
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105 int BlkLength;
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106 tBlkHandle RsrcList[BLOCK_MANAGER_ENTRY_COUNT];
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107 pManagerEntry EntryPtr;
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108 } tManagerControl, *pManagerControl;
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109
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110
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111 /*******************************************************************************
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112
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113 Local routines
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114
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115 *******************************************************************************/
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116
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117 /*******************************************************************************
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118
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119 $Function: ValidManagerResource
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120
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121 $Description: Determines if the resource indicated by the handle is valid
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122
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123 $Returns: Zero if failure, non-zero if valid resource
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124
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125 $Arguments: ManagerRsrc, handle of resource manager
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126
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127 *******************************************************************************/
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128
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129 static int ValidManagerResource( tBlkHandle ManagerRsrc )
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130 {
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131 pManagerControl ManagerControl = (pManagerControl) ManagerRsrc;
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132
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133 if ( ManagerControl == NULL )
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134 return 0;
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135
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136 return ( ManagerControl->BlkKey == BLOCK_MANAGER_KEY );
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137 }
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138
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139
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140 /*******************************************************************************
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141
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142 Public routines
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143
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144 *******************************************************************************/
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145
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146
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147 /*******************************************************************************
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148
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149 $Function: mmibm_Initialise
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150
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151 $Description: Initialise a block manager object
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152
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153 $Returns: Handle of block manager object, NULL if failure
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154
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155 $Arguments: BlkBase, base address of the block manager data
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156 NumEntries, number of entries to be dealt with by the
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157 block manager
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158
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159 *******************************************************************************/
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160
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161 tBlkHandle mmibm_Initialise( tBlkHandle BlkBase, int NumEntries )
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162 {
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163 pManagerControl MyControl;
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164 tBlkId Entry;
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165 int i;
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166
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167 if ( ( MyControl = (pManagerControl) ALLOC_MEMORY( sizeof(tManagerControl) ) ) != NULL )
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168 {
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169 /* Fill in the bits we know are pretty constant
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170 */
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171 MyControl->BlkKey = BLOCK_MANAGER_KEY;
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172 MyControl->BaseAddress = BlkBase;
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173 MyControl->BlkLength = NumEntries;
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174 MyControl->EntryPtr = (pManagerEntry) BlkBase;
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175
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176 /* Initialise the handle array to empty initially
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177 */
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178 for ( i = 0; i < BLOCK_MANAGER_ENTRY_COUNT; i++ )
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179 MyControl->RsrcList[i] = NULL;
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180
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181 /* Now for each entry in the incoming block list we can create
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182 a handler instance
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183 */
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184 for ( i = 0; i < NumEntries; i++ )
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185 if ( ( Entry = MyControl->EntryPtr[i].Id ) < BLOCK_MANAGER_ENTRY_COUNT )
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186 MyControl->RsrcList[ Entry ] = mmibr_Initialise(
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187 MyControl->EntryPtr[i].EntryBase, MyControl->EntryPtr[i].NumEntries );
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188 }
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189
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190 return MyControl;
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191 }
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192
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193
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194 /*******************************************************************************
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195
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196 $Function: mmibm_ShutDown
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197
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198 $Description: Shutdown routine to deallocate resources ina controlled manner
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199
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200 $Returns: none.
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201
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202 $Arguments: *BlkHandle, pointer to resource manager handle
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203
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204 *******************************************************************************/
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205
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206 void mmibm_ShutDown( tBlkHandle *BlkHandle )
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207 {
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208 /* Convert and verify the incoming handle
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209 */
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210 pManagerControl MyControl = (pManagerControl) *BlkHandle;
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211 int i;
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212
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213 if ( ValidManagerResource( *BlkHandle ) )
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214 {
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215 /* Clear down the allocated resource managers
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216 */
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217 for ( i = 0; i < BLOCK_MANAGER_ENTRY_COUNT; i++ )
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218 if ( MyControl->RsrcList[i] != NULL )
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219 mmibr_ShutDown( &MyControl->RsrcList[i] );
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220
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221 /* and free the resource manager handle
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222 */
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223 free( *BlkHandle );
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224 *BlkHandle = NULL;
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225 }
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226 }
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227
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228
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229 /*******************************************************************************
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230
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231 $Function: mmibm_SupplyResourceHandler
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232
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233 $Description:
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234
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235 Since this module will be managing each of the block handlers
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236 for each of the resources, we need to be able to supply the
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237 appropriate handle for any given type to the calling routine.
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238
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239 $Returns: Handle to requesteb block resource handler, NULL if failure
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240
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241 $Arguments: ManagerHandle, handle of the block manager
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242 Id, identifier of the resource table for which the resource
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243 handler is required
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244
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245 *******************************************************************************/
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246
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247 tBlkHandle mmibm_SupplyResourceHandler( tBlkHandle ManagerHandle, tBlkId Id )
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248 {
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249 /* Convert and verify the incoming handle
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250 */
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251 pManagerControl MyControl = (pManagerControl) ManagerHandle;
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252 if ( ! ValidManagerResource( ManagerHandle ) )
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253 return NULL;
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254
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255 /* Verify the id is within the range we expect
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256 */
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257 if ( ( Id >= 0 ) && ( Id < BLOCK_MANAGER_ENTRY_COUNT ) )
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258 return MyControl->RsrcList[Id];
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259
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260 /* Okay, we have something invalid, so return NULL
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261 */
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262 return NULL;
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263 }
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264
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265
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266
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267 /*******************************************************************************
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268
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269 End of File
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270
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271 *******************************************************************************/
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272