FreeCalypso > hg > fc-selenite

annotate src/cs/layer1/cust0/ind_os.c @ 118:225e39652387

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TMS470 build system: added m0-to-bin-c155
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 07 Nov 2018 06:18:05 +0000
parents b6a5e36de839
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
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1 /************* Revision Controle System Header *************
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2 * GSM Layer 1 software
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3 * IND_OS.C
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4 *
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5 * Filename ind_os.c
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6 * Version 1.1
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7 * Date 04/26/00
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8 *
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9 ************* Revision Controle System Header *************/
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10
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11
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12 // Nucleus include files.
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13 #include "nucleus.h"
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14 #include "tc_defs.h"
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15 #include "sys_types.h"
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16 #include "ind_os.h"
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17
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18 #include "l1_confg.h"
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19 // Layer1 and debug include files.
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20 #include "l1_types.h"
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21 #include "l1_const.h"
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22
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23 #if (L1_GTT == 1)
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24 #include "l1gtt_const.h"
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25 #include "l1gtt_defty.h"
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26 #endif
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27
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28 //#if ((ANALOG == 1) || (ANALOG == 2))
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29 // #include "spi_drv.h"
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30 //#endif
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31
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32 #if TESTMODE
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33 #include "l1tm_defty.h"
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34 #endif
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35
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36 #include "l1audio_const.h"
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37 #include "l1audio_cust.h"
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38 #include "l1audio_defty.h"
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39 #include "l1_defty.h"
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40 #include "l1_msgty.h"
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41 #include "l1_varex.h"
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42
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43 #if (CHIPSET == 2 || CHIPSET == 3 || CHIPSET == 4 || CHIPSET == 5 || CHIPSET == 6 || CHIPSET == 7 || CHIPSET == 8 || CHIPSET == 10 || CHIPSET == 11 || CHIPSET == 12)
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44 #include "ulpd.h"
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45 #endif
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46
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47 extern UWORD32 TCD_Priority_Groups;
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48 extern TC_HCB *TCD_Active_HISR_Heads[TC_HISR_PRIORITIES];
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49 extern VOID *TCD_Current_Thread;
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50 extern TC_HCB *TCD_Active_HISR_Tails[TC_HISR_PRIORITIES];
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51 extern INT TMD_Timer_State;
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52 extern UWORD32 TMD_Timer; // for big sleep
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53 extern TC_PROTECT TCD_System_Protect;
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54
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55
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56 /*-------------------------------------------------------*/
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57 /* int ind_os_sleep() */
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58 /*-------------------------------------------------------*/
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59 /* Parameters : none */
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60 /* Return : */
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61 /* Functionality : Suspend the thread an interval */
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62 /* of millisecs. */
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63 /* Limitation : */
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64 /*-------------------------------------------------------*/
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65
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66 T_OS_RETURN ind_os_sleep (SYS_UWORD32 millisecs)
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67 {
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68 NU_Sleep ((SYS_UWORD32) millisecs);
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69 return OS_OK;
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70 }
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71
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72
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73 /*-------------------------------------------------------*/
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74 /* int OS_get_inactivity_ticks() */
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75 /*-------------------------------------------------------*/
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76 /* Parameters : none */
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77 /* Return : Number of ticks of inactivity */
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78 /* 0 means immediate activity planned */
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79 /* -1 means no activity planned */
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80 /* Functionality : Evaluates the OS activity planned */
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81 /* by looking at ready tasks, activated */
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82 /* HISR and the elapsed time of the timers*/
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83 /* Limitation : Must be protected from H/W interrupts */
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84 /*-------------------------------------------------------*/
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85 int OS_get_inactivity_ticks(void)
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86 {
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87 int i;
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88
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89 // Returns immediate activity if a task is ready
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90 if (TCD_Priority_Groups)
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91 return 0;
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92
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93 //for all HISR priorities
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94 for (i = 0; i < TC_HISR_PRIORITIES ; i++)
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95 {
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96 // if no hisr of priority "i" ==> go to next priority
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97 if (TCD_Active_HISR_Heads[i] == 0)
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98 continue;
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99
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100 // the first hisr is NOT the current one (frame hisr) so it may be
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101 // with other priority ==> abort
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102 if (TCD_Active_HISR_Heads[i] != TCD_Current_Thread)
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103 return 0;
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104
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105 // the last hisr is NOT the current one (frame hisr) so there is
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106 // at least another hisr with same priority ==> abort
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107 if (TCD_Active_HISR_Tails[i] != TCD_Current_Thread)
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108 return 0;
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109
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110 // the first and last hisrs are the current one (frame hisr) but
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111 // there are several occurences of it ! ==> abort
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112 if ( (TCD_Active_HISR_Heads[i]->tc_activation_count != 1))
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113 return 0;
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114 }
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115
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116 // Returns remaining ticks number if any timer is active
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117 if (TMD_Timer_State == TM_ACTIVE) // any active timer ?
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118 {
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119 if (TMD_Timer <= MIN_SLEEP_TIME)
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120 return(0);
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121 else
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122 return TMD_Timer;
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123 }
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124
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125 // Returns not activity if no timer active
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126 if (TMD_Timer_State == TM_NOT_ACTIVE)
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127 return -1;
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128 else
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129 // otherwise, returns immediate activity if a timer is expired (TM_EXPIRED)
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130 return(0);
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131 }
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132
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133 /*-------------------------------------------------------*/
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134 /* int OS_system_protect() */
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135 /*-------------------------------------------------------*/
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136 /* Parameters : none */
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137 /* Return : The Thread Control Block of the thread */
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138 /* which already owns the protection or */
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139 /* 0 if no protection */
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140 /* Functionality : Checks whether the system structures */
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141 /* are already protected or not */
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142 /*-------------------------------------------------------*/
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143 void OS_system_protect (void)
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144 {
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145 NU_Protect((NU_PROTECT*) &TCD_System_Protect);
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146 }
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147
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148 /*-------------------------------------------------------*/
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149 /* int OS_system_Unprotect() */
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150 /*-------------------------------------------------------*/
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151 /* Parameters : none */
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152 /* Return : */
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153 /* Functionality : unprotect the system structures */
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154 /*-------------------------------------------------------*/
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155 void OS_system_Unprotect (void)
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156 {
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157 NU_Unprotect();
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158 }