FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/gpf/frame/vsi_sem.c @ 714:58bbee73c4b7
gsm-fw/L1/include/l1_confg.h: SEND_FN_TO_L2_IN_DCCH fix
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Fri, 03 Oct 2014 06:49:23 +0000 |
parents | 2c760f6b1fe0 |
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rev | line source |
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1 /* |
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2 +------------------------------------------------------------------------------ |
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3 | File: vsi_sem.c |
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4 +------------------------------------------------------------------------------ |
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5 | Copyright 2002 Texas Instruments Berlin, AG |
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6 | All rights reserved. |
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7 | |
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8 | This file is confidential and a trade secret of Texas |
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9 | Instruments Berlin, AG |
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10 | The receipt of or possession of this file does not convey |
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11 | any rights to reproduce or disclose its contents or to |
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12 | manufacture, use, or sell anything it may describe, in |
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13 | whole, or in part, without the specific written consent of |
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14 | Texas Instruments Berlin, AG. |
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15 +----------------------------------------------------------------------------- |
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16 | Purpose : This Module defines the virtual system interface part |
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17 | for the semaphore handling. |
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18 +----------------------------------------------------------------------------- |
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19 */ |
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20 |
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21 #ifndef __VSI_SEM_C__ |
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22 #define __VSI_SEM_C__ |
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23 #endif |
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24 |
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25 /*==== INCLUDES ===================================================*/ |
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26 |
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27 #include "gpfconf.h" |
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28 #include "typedefs.h" |
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29 #include "vsi.h" |
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30 #include "os.h" |
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31 #include "frm_defs.h" |
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32 #include "frm_types.h" |
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33 #include "frm_glob.h" |
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34 |
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35 /*==== TYPES ======================================================*/ |
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36 |
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37 |
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38 /*==== CONSTANTS ==================================================*/ |
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39 |
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40 |
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41 /*==== EXTERNALS ==================================================*/ |
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42 /* -------------- S H A R E D - BEGIN ---------------- */ |
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43 #ifdef _TOOLS_ |
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44 #pragma data_seg("FRAME_SHARED") |
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45 #endif |
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46 |
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47 /*==== VARIABLES ==================================================*/ |
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48 |
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49 |
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50 #ifdef _TOOLS_ |
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51 #pragma data_seg() |
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52 #endif |
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53 /* -------------- S H A R E D - END ---------------- */ |
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54 |
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55 /*==== FUNCTIONS ==================================================*/ |
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56 |
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57 |
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58 #ifndef RUN_INT_RAM |
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59 /* |
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60 +--------------------------------------------------------------------+ |
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61 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM | |
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62 | STATE : code ROUTINE : vsi_s_open | |
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63 +--------------------------------------------------------------------+ |
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64 |
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65 PURPOSE : opens a semaphore, creates if not exist |
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66 |
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67 */ |
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68 |
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69 T_HANDLE vsi_s_open (T_HANDLE Caller, char *Name, USHORT Count) |
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70 { |
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71 OS_HANDLE SemHandle; |
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72 |
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73 /* |
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74 * if semaphore already exists, return handle |
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75 */ |
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76 if ( os_OpenSemaphore ( Caller, Name, &SemHandle ) != OS_ERROR ) |
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77 return SemHandle; |
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78 |
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79 /* |
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80 * if semaphore not exists, create |
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81 */ |
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82 if ( os_CreateSemaphore ( Caller, Name, Count, &SemHandle, pf_TaskTable[Caller].MemPoolHandle ) != OS_ERROR ) |
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83 return SemHandle; |
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84 else |
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85 vsi_o_assert( Caller, OS_SYST_ERR_MAX_SEMA, __FILE__, __LINE__, |
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86 "Number of created semaphores > MAX_SEMAPHORES" ); |
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87 |
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88 /* |
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89 * if semaphore cannot be created, return VSI_ERROR |
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90 */ |
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91 return VSI_ERROR; |
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92 } |
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93 #endif |
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94 |
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95 #ifndef RUN_INT_RAM |
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96 /* |
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97 +--------------------------------------------------------------------+ |
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98 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM | |
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99 | STATE : code ROUTINE : vsi_s_close | |
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100 +--------------------------------------------------------------------+ |
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101 |
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102 PURPOSE : closes a semaphore |
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103 |
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104 */ |
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105 |
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106 int vsi_s_close (T_HANDLE Caller, T_HANDLE SemHandle) |
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107 { |
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108 |
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109 if ( os_CloseSemaphore ( Caller, SemHandle ) != OS_ERROR ) |
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110 return VSI_OK; |
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111 |
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112 return VSI_ERROR; |
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113 } |
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114 #endif |
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115 |
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116 #ifndef RUN_FLASH |
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117 /* |
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118 +--------------------------------------------------------------------+ |
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119 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM | |
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120 | STATE : code ROUTINE : vsi_s_get | |
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121 +--------------------------------------------------------------------+ |
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122 |
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123 PURPOSE : obtains a semaphore |
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124 |
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125 */ |
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126 |
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127 int vsi_s_get (T_HANDLE Caller, T_HANDLE SemHandle) |
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128 { |
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129 LONG Status; |
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130 |
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131 Status = os_ObtainSemaphore ( Caller, SemHandle, OS_SUSPEND ); |
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132 if ( Status == OS_OK || Status == OS_WAITED ) |
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133 return VSI_OK; |
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134 |
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135 return VSI_ERROR; |
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136 } |
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137 #endif |
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138 |
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139 #ifndef RUN_FLASH |
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140 /* |
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141 +--------------------------------------------------------------------+ |
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142 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM | |
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143 | STATE : code ROUTINE : vsi_s_release | |
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144 +--------------------------------------------------------------------+ |
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145 |
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146 PURPOSE : releases a semaphore |
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147 |
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148 */ |
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149 |
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150 int vsi_s_release (T_HANDLE Caller, T_HANDLE SemHandle) |
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151 { |
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152 |
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153 if ( os_ReleaseSemaphore ( Caller, SemHandle ) != OS_ERROR ) |
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154 return VSI_OK; |
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155 |
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156 return VSI_ERROR; |
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157 } |
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158 #endif |
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159 |
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160 #ifndef RUN_INT_RAM |
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161 /* |
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162 +--------------------------------------------------------------------+ |
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163 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM | |
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164 | STATE : code ROUTINE : vsi_s_status | |
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165 +--------------------------------------------------------------------+ |
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166 |
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167 PURPOSE : request the current count of a semaphore |
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168 |
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169 */ |
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170 |
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171 int vsi_s_status (T_HANDLE Caller, T_HANDLE SemHandle, USHORT *Count ) |
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172 { |
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173 |
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174 if ( os_QuerySemaphore ( Caller, SemHandle, Count ) != OS_ERROR ) |
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175 return VSI_OK; |
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176 |
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177 return VSI_ERROR; |
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178 } |
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179 #endif |
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180 |