FreeCalypso > hg > fc-magnetite
annotate src/gpf3/frame/vsi_sem.c @ 701:35e7f9d0379f
targets: add TARGET_HAS_BUZZER to c11x, c139 and dsample
This new target config preprocessor symbol was introduced in Tourmaline
in connection with the new approach to playing buzzer melodies via PWT,
properly omitting the responsible code on targets where BU output
controls the vibrator instead. That code is not present in Magnetite
and we have no plans to backport it here, but target header files
should be kept consistent between the two trees, especially given
that we plan to support FC Venus target in Magnetite.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 26 Mar 2022 19:51:34 +0000 |
parents | c41a534f33c6 |
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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 "typedefs.h" |
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28 #include "vsi.h" |
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29 #include "os.h" |
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30 #include "frm_defs.h" |
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31 #include "frm_types.h" |
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32 #include "frm_glob.h" |
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33 |
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34 /*==== TYPES ======================================================*/ |
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35 |
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36 |
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37 /*==== CONSTANTS ==================================================*/ |
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38 |
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39 |
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40 /*==== EXTERNALS ==================================================*/ |
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41 /* -------------- S H A R E D - BEGIN ---------------- */ |
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42 #ifdef _TOOLS_ |
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43 #pragma data_seg("FRAME_SHARED") |
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44 #endif |
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45 |
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46 /*==== VARIABLES ==================================================*/ |
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47 |
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48 |
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49 #ifdef _TOOLS_ |
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50 #pragma data_seg() |
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51 #endif |
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52 /* -------------- S H A R E D - END ---------------- */ |
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53 |
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54 /*==== FUNCTIONS ==================================================*/ |
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55 |
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56 |
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57 #ifndef RUN_INT_RAM |
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58 /* |
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59 +--------------------------------------------------------------------+ |
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60 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM | |
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61 | STATE : code ROUTINE : vsi_s_open | |
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62 +--------------------------------------------------------------------+ |
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63 |
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64 PURPOSE : opens a semaphore, creates if not exist |
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65 |
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66 */ |
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67 |
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68 T_HANDLE vsi_s_open (T_HANDLE Caller, char *Name, USHORT Count) |
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69 { |
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70 OS_HANDLE SemHandle; |
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71 |
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72 /* |
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73 * if semaphore already exists, return handle |
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74 */ |
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75 if ( os_OpenSemaphore ( Caller, Name, &SemHandle ) != OS_ERROR ) |
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76 return SemHandle; |
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77 |
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78 /* |
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79 * if semaphore not exists, create |
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80 */ |
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81 if ( os_CreateSemaphore ( Caller, Name, Count, &SemHandle, pf_TaskTable[Caller].MemPoolHandle ) != OS_ERROR ) |
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82 return SemHandle; |
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83 else |
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84 vsi_o_assert( Caller, OS_SYST_ERR_MAX_SEMA, __FILE__, __LINE__, |
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85 "Number of created semaphores > MAX_SEMAPHORES" ); |
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86 |
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87 /* |
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88 * if semaphore cannot be created, return VSI_ERROR |
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89 */ |
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90 return VSI_ERROR; |
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91 } |
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92 #endif |
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93 |
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94 #ifndef RUN_INT_RAM |
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95 /* |
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96 +--------------------------------------------------------------------+ |
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97 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM | |
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98 | STATE : code ROUTINE : vsi_s_close | |
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99 +--------------------------------------------------------------------+ |
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100 |
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101 PURPOSE : closes a semaphore |
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102 |
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103 */ |
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104 |
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105 int vsi_s_close (T_HANDLE Caller, T_HANDLE SemHandle) |
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106 { |
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107 |
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108 if ( os_CloseSemaphore ( Caller, SemHandle ) != OS_ERROR ) |
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109 return VSI_OK; |
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110 |
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111 return VSI_ERROR; |
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112 } |
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113 #endif |
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114 |
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115 #ifndef RUN_FLASH |
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116 /* |
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117 +--------------------------------------------------------------------+ |
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118 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM | |
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119 | STATE : code ROUTINE : vsi_s_get | |
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120 +--------------------------------------------------------------------+ |
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121 |
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122 PURPOSE : obtains a semaphore |
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123 |
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124 */ |
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125 |
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126 int vsi_s_get (T_HANDLE Caller, T_HANDLE SemHandle) |
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127 { |
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128 LONG Status; |
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129 |
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130 Status = os_ObtainSemaphore ( Caller, SemHandle, OS_SUSPEND ); |
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131 if ( Status == OS_OK || Status == OS_WAITED ) |
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132 return VSI_OK; |
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133 |
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134 return VSI_ERROR; |
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135 } |
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136 #endif |
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137 |
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138 #ifndef RUN_FLASH |
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139 /* |
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140 +--------------------------------------------------------------------+ |
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141 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM | |
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142 | STATE : code ROUTINE : vsi_s_release | |
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143 +--------------------------------------------------------------------+ |
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144 |
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145 PURPOSE : releases a semaphore |
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146 |
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147 */ |
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148 |
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149 int vsi_s_release (T_HANDLE Caller, T_HANDLE SemHandle) |
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150 { |
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151 |
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152 if ( os_ReleaseSemaphore ( Caller, SemHandle ) != OS_ERROR ) |
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153 return VSI_OK; |
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154 |
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155 return VSI_ERROR; |
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156 } |
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157 #endif |
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158 |
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159 #ifndef RUN_INT_RAM |
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160 /* |
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161 +--------------------------------------------------------------------+ |
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162 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM | |
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163 | STATE : code ROUTINE : vsi_s_status | |
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164 +--------------------------------------------------------------------+ |
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165 |
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166 PURPOSE : request the current count of a semaphore |
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167 |
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168 */ |
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169 |
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170 int vsi_s_status (T_HANDLE Caller, T_HANDLE SemHandle, USHORT *Count ) |
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171 { |
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172 |
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173 if ( os_QuerySemaphore ( Caller, SemHandle, Count ) != OS_ERROR ) |
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174 return VSI_OK; |
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175 |
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176 return VSI_ERROR; |
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177 } |
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178 #endif |
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179 |