FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/nucleus/tmi.c @ 515:cb38dc8aed39
gsm-fw/configs/{c139,c155}.ramdemo added
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Wed, 02 Jul 2014 04:00:01 +0000 |
parents | afceeeb2cba1 |
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rev | line source |
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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 /* tmi.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 /* TM - Timer 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 timer */ |
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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 /* TMI_Initialize Timer Management Initialize */ |
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34 /* */ |
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35 /* DEPENDENCIES */ |
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36 /* */ |
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37 /* tc_extr.h Task function interfaces */ |
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38 /* er_extr.h Error handling function */ |
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39 /* tm_defs.h Timer component constants */ |
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40 /* */ |
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41 /* HISTORY */ |
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42 /* */ |
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43 /* DATE REMARKS */ |
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44 /* */ |
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45 /* 03-01-1993 Created initial version 1.0 */ |
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46 /* 04-19-1993 Verified version 1.0 */ |
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47 /* 08-09-1993 Removed timer task creation, */ |
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48 /* cleared the ID of the HISR */ |
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49 /* control block, and casted the */ |
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50 /* HISR priority, resulting in */ |
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51 /* version 1.0a */ |
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52 /* 08-09-1993 Verified version 1.0a */ |
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53 /* 03-01-1994 Changed names of HISR create */ |
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54 /* function, removed reference to */ |
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55 /* timer list protect since it */ |
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56 /* was deleted, resulting in */ |
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57 /* version 1.1 */ |
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58 /* */ |
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59 /* 03-18-1994 Verified version 1.1 */ |
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60 /* 04-17-1996 updated to version 1.2 */ |
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61 /* 03-24-1998 Released version 1.3 */ |
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62 /* 03-26-1999 Released 1.11m (new release */ |
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63 /* numbering scheme) */ |
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64 /* 04-17-2002 Released version 1.13m */ |
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65 /* 11-07-2002 Released version 1.14 */ |
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66 /*************************************************************************/ |
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67 #define NU_SOURCE_FILE |
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68 |
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69 |
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70 #include "tc_extr.h" /* Task control functions */ |
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71 #include "er_extr.h" /* Error handling function */ |
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72 #include "tm_defs.h" /* Timer constants */ |
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73 #include "tm_extr.h" /* Timer interfaces */ |
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74 |
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75 |
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76 /* Define external inner-component global data references. */ |
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77 |
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78 extern CS_NODE *TMD_Created_Timers_List; |
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79 extern UNSIGNED TMD_Total_Timers; |
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80 extern TM_TCB *TMD_Active_Timers_List; |
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81 extern INT TMD_Active_List_Busy; |
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82 extern TC_PROTECT TMD_Created_List_Protect; |
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83 extern UNSIGNED TMD_System_Clock; |
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84 extern UNSIGNED TMD_Timer; |
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85 extern INT TMD_Timer_State; |
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86 extern UNSIGNED TMD_Time_Slice; |
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87 extern TC_TCB *TMD_Time_Slice_Task; |
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88 extern INT TMD_Time_Slice_State; |
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89 extern TC_HCB TMD_HISR; |
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90 extern VOID *TMD_HISR_Stack_Ptr; |
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91 extern UNSIGNED TMD_HISR_Stack_Size; |
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92 extern INT TMD_HISR_Priority; |
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93 |
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94 |
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95 /* Define inner-component function prototypes. */ |
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96 |
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97 VOID TMC_Timer_HISR(VOID); |
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98 |
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99 |
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100 /*************************************************************************/ |
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101 /* */ |
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102 /* FUNCTION */ |
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103 /* */ |
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104 /* TMI_Initialize */ |
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105 /* */ |
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106 /* DESCRIPTION */ |
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107 /* */ |
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108 /* This function initializes the data structures that control the */ |
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109 /* operation of the timer component (TM). There are no application */ |
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110 /* timers created initially. This routine must be called from */ |
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111 /* Supervisor mode in Supervisor/User mode switching kernels. */ |
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112 /* */ |
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113 /* CALLED BY */ |
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114 /* */ |
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115 /* INC_Initialize System initialization */ |
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116 /* */ |
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117 /* CALLS */ |
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118 /* */ |
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119 /* ERC_System_Error System error handing function*/ |
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120 /* TCC_Create_HISR Create timer HISR */ |
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121 /* TCCE_Create_HISR Create timer HISR (error chk)*/ |
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122 /* */ |
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123 /* INPUTS */ |
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124 /* */ |
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125 /* (Indirect) */ |
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126 /* TMD_HISR_Stack_Ptr Pointer to HISR stack area */ |
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127 /* TMD_HISR_Stack_Size Size of HISR stack */ |
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128 /* TMD_HISR_Priority Priority of timer HISR */ |
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129 /* */ |
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130 /* OUTPUTS */ |
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131 /* */ |
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132 /* TMD_Created_Timers_List Pointer to the linked-list */ |
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133 /* of created application */ |
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134 /* timers */ |
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135 /* TMD_Total_Timers Total number of created */ |
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136 /* application timers */ |
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137 /* TMD_Active_Timers_List Pointer to the linked-list */ |
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138 /* of active timers. */ |
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139 /* TMD_Active_List_Busy Flag indicating that the */ |
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140 /* active timer list is in use*/ |
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141 /* TMD_Created_List_Protect Created timer list protect */ |
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142 /* structure */ |
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143 /* TMD_System_Clock System clock */ |
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144 /* TMD_Timer Timer count-down value */ |
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145 /* TMD_Timer_State State of timer */ |
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146 /* TMD_Time_Slice Time slice count-down value */ |
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147 /* TMD_Time_Slice_Task Pointer to task to time-slice*/ |
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148 /* TMD_Time_Slice_State State of time slice */ |
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149 /* TMD_HISR Timer HISR control block */ |
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150 /* */ |
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151 /* HISTORY */ |
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152 /* */ |
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153 /* DATE REMARKS */ |
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154 /* */ |
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155 /* 03-01-1993 Created initial version 1.0 */ |
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156 /* 04-19-1993 Verified version 1.0 */ |
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157 /* 08-09-1993 Removed timer task creation, */ |
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158 /* cleared the ID of the HISR */ |
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159 /* control block, and casted the */ |
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160 /* HISR priority, resulting in */ |
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161 /* version 1.0a */ |
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162 /* 08-09-1993 Verified version 1.0a */ |
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163 /* 03-01-1994 Modified HISR create function */ |
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164 /* interface, removed reference */ |
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165 /* to timer list protect since it */ |
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166 /* was deleted, resulting in */ |
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167 /* version 1.1 */ |
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168 /* */ |
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169 /* 03-18-1994 Verified version 1.1 */ |
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170 /* */ |
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171 /*************************************************************************/ |
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172 VOID TMI_Initialize(VOID) |
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173 { |
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174 |
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175 STATUS status; /* Return status of creates */ |
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176 |
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177 |
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178 /* Initialize the created application timer's list to NU_NULL. */ |
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179 TMD_Created_Timers_List = NU_NULL; |
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180 |
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181 /* Initialize the total number of created application timers to 0. */ |
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182 TMD_Total_Timers = 0; |
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183 |
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184 /* Initialize the active timer's list to NU_NULL. */ |
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185 TMD_Active_Timers_List = NU_NULL; |
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186 |
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187 /* Clear the active timer list busy flag. */ |
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188 TMD_Active_List_Busy = NU_FALSE; |
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189 |
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190 /* Initialize the system clock to 0. */ |
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191 TMD_System_Clock = 0; |
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192 |
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193 /* Initialize the timer to 0 and the timer state to "not active." */ |
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194 TMD_Timer = 0; |
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195 TMD_Timer_State = TM_NOT_ACTIVE; |
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196 |
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197 /* Initialize the time-slice timer, task pointer, and the associated |
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198 state variable. */ |
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199 TMD_Time_Slice = 0; |
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200 TMD_Time_Slice_Task = NU_NULL; |
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201 TMD_Time_Slice_State = TM_NOT_ACTIVE; |
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202 |
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203 /* Initialize the list protection structures. */ |
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204 TMD_Created_List_Protect.tc_tcb_pointer = NU_NULL; |
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205 |
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206 /* Clear out the timer HISR control block. */ |
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207 TMD_HISR.tc_id = 0; |
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208 |
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209 /* Create the timer HISR. The timer HISR is responsible for performing |
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210 the time slice function and activating the timer task if necessary. */ |
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211 #ifdef NU_NO_ERROR_CHECKING |
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212 |
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213 status = TCC_Create_HISR((NU_HISR *) &TMD_HISR, "SYSTEM H", |
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214 TMC_Timer_HISR, (OPTION) TMD_HISR_Priority, |
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215 TMD_HISR_Stack_Ptr, TMD_HISR_Stack_Size); |
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216 #else |
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217 |
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218 status = TCCE_Create_HISR((NU_HISR *) &TMD_HISR, "SYSTEM H", |
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219 TMC_Timer_HISR, (OPTION) TMD_HISR_Priority, |
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220 TMD_HISR_Stack_Ptr, TMD_HISR_Stack_Size); |
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221 |
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222 #endif |
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223 |
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224 /* Check for a system error creating the timer HISR. */ |
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225 if (status != NU_SUCCESS) |
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226 |
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227 /* Call the system error handler. */ |
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228 ERC_System_Error(NU_ERROR_CREATING_TIMER_HISR); |
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229 } |
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230 |
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231 |
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232 |
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233 |
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234 |