FreeCalypso > hg > fc-tourmaline
annotate src/cs/services/lls/lls_functions.c @ 268:f2e52cab0a73
abb_inth.c: check all interrupt causes, not just one
The original code used if - else if - else if etc constructs, thus
the first detected interrupt was the only one handled. However,
Iota ITSTATREG is a clear-on-read register, thus if we only handle
the first detected interrupt and skip checking the others, then the
other interrupts will be lost, if more than one interrupt happened
to occur in one ABB interrupt handling cycle - a form of rare race
condition. Change the code to check all interrupts that were read
in this cycle.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 13 Jun 2021 18:17:53 +0000 |
parents | 5bf097aeaad7 |
children |
rev | line source |
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0
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1 /** |
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2 * @file lls_functions.c |
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3 * |
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4 * Implementation of LLS functions. |
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5 * |
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6 * @author Laurent Sollier (l-sollier@ti.com) |
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7 * @version 0.1 |
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8 */ |
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9 |
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10 /* |
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11 * History: |
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12 * |
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13 * Date Author Modification |
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14 * ---------------------------------------- |
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15 * 03/12/2002 L Sollier Create |
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16 * |
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17 * |
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18 * (C) Copyright 2002 by Texas Instruments Incorporated, All Rights Reserved |
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19 */ |
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20 |
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21 #ifndef _WINDOWS |
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22 #include "l1sw.cfg" |
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23 #include "chipset.cfg" |
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24 #endif |
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25 |
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26 #include "lls/lls_i.h" |
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27 #include "lls/lls_api.h" |
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28 |
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29 #include "spi/spi_api.h" |
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30 #include "rvf/rvf_api.h" |
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31 |
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32 |
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33 /* Number of available equipment's */ |
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34 #define NUMBER_OF_EQUIPMENT 3 |
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35 |
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36 /* Parameters for each EQUIPMENT */ |
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37 typedef struct |
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38 { |
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39 T_LLS_EQUIPMENT equipment_sort; |
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40 UINT16 page; |
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41 UINT16 address; |
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42 UINT8 bit; |
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43 } T_EQUIPMENT_PARAM; |
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44 |
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45 /* Table of parameters for all the equipment's */ |
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46 typedef T_EQUIPMENT_PARAM T_EQUIPMENT_PARAM_TABLE[NUMBER_OF_EQUIPMENT]; |
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47 |
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48 /* Definition of the parameters for the equipment */ |
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49 #if (ANLG_FAM == 2) |
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50 static T_EQUIPMENT_PARAM_TABLE equipment_param_table = |
0
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51 { {LLS_LED_A, PAGE1, AUXLED, 0}, |
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52 {LLS_BACKLIGHT, PAGE1, AUXLED, 1}, |
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53 {LLS_PRECHARGE_LED, PAGE0, BCICTL2, 5} |
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54 }; |
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55 #else |
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56 static T_EQUIPMENT_PARAM_TABLE equipment_param_table = {0}; |
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57 #endif |
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58 |
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59 /* Save of the action to perform */ |
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60 typedef struct |
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61 { |
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62 T_LLS_EQUIPMENT equipment_index; |
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63 UINT8 action; |
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64 } T_ACTION; |
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65 |
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66 static T_ACTION action_to_perform = {0}; |
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67 |
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68 /* Mutex used to protect perform only one action simultaneously */ |
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69 static T_RVF_MUTEX mutex; |
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70 |
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71 |
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72 /** |
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73 * @name Functions implementation |
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74 * |
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75 */ |
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76 /*@{*/ |
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77 |
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78 /** |
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79 * function: lls_initialize |
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80 */ |
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81 T_RV_RET lls_initialize(void) |
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82 { |
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83 T_RV_RET ret = RV_OK; |
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84 T_LLS_EQUIPMENT equipment_sort; |
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85 UINT8 i; |
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86 |
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87 /* Mutex initialization */ |
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88 ret = rvf_initialize_mutex(&mutex); |
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89 if (ret != RVF_OK) |
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90 return RV_INTERNAL_ERR; |
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91 |
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92 /* Initialisation of the equipment at SWITCH_OFF */ |
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93 for (i = 0; i < NUMBER_OF_EQUIPMENT; i++) |
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94 { |
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95 equipment_sort = equipment_param_table[i].equipment_sort; |
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96 /* FreeCalypso change: don't touch LED-C, leave it to FCHG SWE */ |
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97 if (equipment_sort != LLS_PRECHARGE_LED) { |
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98 ret = lls_switch_off(equipment_sort); |
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99 if (ret != RV_OK) |
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100 return RV_INTERNAL_ERR; |
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101 } |
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102 } |
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103 |
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104 return RV_OK; |
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105 } |
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106 |
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107 |
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108 /** |
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109 * function: lls_kill_service |
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110 */ |
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111 T_RV_RET lls_kill_service(void) |
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112 { |
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113 T_RV_RET ret = RV_OK; |
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114 ret = rvf_delete_mutex(&mutex); |
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115 if (ret != RVF_OK) |
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116 return RV_INTERNAL_ERR; |
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117 |
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118 return ret; |
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119 } |
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120 |
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121 |
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122 /** |
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123 * function: lls_callback_equipment_status |
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124 */ |
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125 void lls_callback_equipment_status(UINT16* equipment_status) |
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126 { |
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127 T_RV_RET ret = RV_OK; |
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128 UINT16 new_equipment_status = *equipment_status; |
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129 |
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130 LLS_SEND_TRACE_PARAM("LLS: Received equipment status", (UINT32) new_equipment_status, RV_TRACE_LEVEL_DEBUG_LOW); |
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131 |
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132 if (action_to_perform.action == SWITCH_ON) |
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133 new_equipment_status |= 1 << equipment_param_table[action_to_perform.equipment_index].bit; |
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134 else |
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135 new_equipment_status &= ~(1 << equipment_param_table[action_to_perform.equipment_index].bit); |
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136 |
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137 LLS_SEND_TRACE_PARAM("LLS: New equipment status", (UINT32) new_equipment_status, RV_TRACE_LEVEL_DEBUG_LOW); |
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138 |
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139 ret = spi_abb_write(equipment_param_table[action_to_perform.equipment_index].page, |
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140 equipment_param_table[action_to_perform.equipment_index].address, |
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141 new_equipment_status); |
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142 |
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143 if (ret != RV_OK) |
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144 LLS_SEND_TRACE("LLS: Error on SPI read", RV_TRACE_LEVEL_ERROR); |
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145 |
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146 |
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147 rvf_unlock_mutex(&mutex); |
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148 } |
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149 |
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150 /** |
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151 * function: lls_manage_equipment |
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152 */ |
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153 T_RV_RET lls_manage_equipment(UINT8 equipment_index, UINT8 action) |
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154 { |
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155 T_RV_RET ret = RV_OK; |
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156 |
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157 /* Lock mutex until response from SPI is received */ |
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158 rvf_lock_mutex(&mutex); |
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159 |
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160 /* Save action to do */ |
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161 action_to_perform.equipment_index = equipment_index; |
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162 action_to_perform.action = action; |
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163 |
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164 ret = spi_abb_read(equipment_param_table[equipment_index].page, |
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165 equipment_param_table[equipment_index].address, |
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166 lls_callback_equipment_status); |
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167 |
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168 if (ret != RV_OK) |
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169 LLS_SEND_TRACE("LLS: Error on SPI read", RV_TRACE_LEVEL_ERROR); |
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170 |
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171 return ret; |
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|
172 } |
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173 |
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174 /** |
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|
175 * function: lls_search_index |
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Mychaela Falconia <falcon@freecalypso.org>
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|
176 */ |
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177 T_RV_RET lls_search_index(T_LLS_EQUIPMENT equipment, UINT8* equipment_index) |
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178 { |
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179 T_RV_RET ret = RV_OK; |
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180 UINT8 i; |
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181 |
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182 for (i = 0; i < NUMBER_OF_EQUIPMENT; i++) |
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183 if (equipment == equipment_param_table[i].equipment_sort) |
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184 { |
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185 *equipment_index = i; |
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186 return RV_OK; |
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|
187 } |
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188 |
4e78acac3d88
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189 return RV_INVALID_PARAMETER; |
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|
190 } |
4e78acac3d88
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|
191 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
192 |
4e78acac3d88
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193 |
4e78acac3d88
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194 /*@}*/ |