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annotate src/cs/drivers/drv_app/kpd/kpd_env.c @ 27:cb3f6fe694e1 default tip

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README: document SE K2x0 addition
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 21 Dec 2023 21:44:43 +0000
parents 92470e5d0b9e
children
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1 /**
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2 * @file kpd_env.c
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3 *
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4 * Coding of the Riviera Generic Functions
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5 * (except handle message and handle timer).
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6 *
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7 * @author Laurent Sollier (l-sollier@ti.com)
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8 * @version 0.1
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9 */
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10
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11 /*
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12 * History:
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13 *
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14 * Date Author Modification
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15 * ----------------------------------------
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16 * 10/10/2001 L Sollier Create
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17 *
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18 *
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19 * (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved
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20 */
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21
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22
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23
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24 #include "kpd/kpd_env.h"
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25 #include "kpd/kpd_i.h"
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26
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27 #include "rvm/rvm_priorities.h"
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28 #include "rvm/rvm_use_id_list.h"
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29
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30 #include <string.h>
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31
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32
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33 /* External declaration */
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34 extern T_RV_RET kpd_core(void);
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35
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36
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37 /**
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38 * Pointer on the structure gathering all the global variables
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39 * used by KPD instance.
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40 */
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41 T_KPD_ENV_CTRL_BLK* kpd_env_ctrl_blk = NULL;
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42
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43
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44 /**
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45 * @name Riviera generic functions implementation
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46 *
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47 */
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48 /*@{*/
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49
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50 /**
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51 * function: kpd_get_info
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52 */
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53 T_RVM_RETURN kpd_get_info(T_RVM_INFO_SWE* swe_info)
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54 {
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55 /* SWE info */
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56 swe_info->swe_type = RVM_SWE_TYPE_4;
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57 swe_info->type_info.type4.swe_use_id = KPD_USE_ID;
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58
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59 memcpy( swe_info->type_info.type4.swe_name, "KPD", sizeof("KPD") );
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60
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61 swe_info->type_info.type4.stack_size = KPD_STACK_SIZE;
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62 swe_info->type_info.type4.priority = RVM_KPD_TASK_PRIORITY;
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63
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64
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65 /* Set the return path */
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66 swe_info->type_info.type4.return_path.callback_func = NULL;
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67 swe_info->type_info.type4.return_path.addr_id = 0;
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68
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69
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70 /* memory bank info */
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71 swe_info->type_info.type4.nb_mem_bank = 1;
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72
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73 memcpy ((UINT8 *) swe_info->type_info.type4.mem_bank[0].bank_name, "KPD_PRIM", 9);
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74 swe_info->type_info.type4.mem_bank[0].initial_params.size = KPD_MB_PRIM_SIZE;
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75 swe_info->type_info.type4.mem_bank[0].initial_params.watermark = KPD_MB_PRIM_WATERMARK;
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76
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77 /* linked SWE info */
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78 /* this SWE does not require any SWE to run */
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79 swe_info->type_info.type4.nb_linked_swe = 0;
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80
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81 /* generic functions */
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82 swe_info->type_info.type4.set_info = kpd_set_info;
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83 swe_info->type_info.type4.init = kpd_init;
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84 swe_info->type_info.type4.core = kpd_core;
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85 swe_info->type_info.type4.stop = kpd_stop;
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86 swe_info->type_info.type4.kill = kpd_kill;
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87
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88 return RVM_OK;
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89
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90 }
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91
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92
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93 /**
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94 * function: kpd_set_info
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95 */
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96 T_RVM_RETURN kpd_set_info (T_RVF_ADDR_ID addr_id,
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97 T_RV_RETURN return_path[],
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98 T_RVF_MB_ID bk_id[],
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99 T_RVM_RETURN (*rvm_error_ft)(T_RVM_NAME swe_name,
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100 T_RVM_RETURN error_cause,
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101 T_RVM_ERROR_TYPE error_type,
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102 T_RVM_STRING error_msg))
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103 {
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104 /* Create instance gathering all the variable used by EXPL instance */
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105 if (rvf_get_buf(bk_id[0],
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106 sizeof(T_KPD_ENV_CTRL_BLK),
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107 (T_RVF_BUFFER**)&kpd_env_ctrl_blk) != RVF_GREEN)
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108 {
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109 /* The environemnt will cancel the EXPL instance creation. */
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110 return RVM_MEMORY_ERR;
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111 }
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112
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113 /* Store the pointer to the error function */
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114 kpd_env_ctrl_blk->error_ft = rvm_error_ft ;
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115 /* Store the mem bank id. */
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116 kpd_env_ctrl_blk->prim_id = bk_id[0];
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117 /* Store the address id */
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118 kpd_env_ctrl_blk->addr_id = addr_id;
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119 kpd_env_ctrl_blk->swe_is_initialized = FALSE;
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120
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121
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122 /* return_path of linked SWE -> not used */
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123
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124 return RVM_OK;
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125 }
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126
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127
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128 /**
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129 * function: kpd_init
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130 */
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131 T_RVM_RETURN kpd_init(void)
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132 {
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133 T_RV_RET ret = RV_OK;
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134
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135 /* Initialise keypad driver */
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136 ret = kpd_initialize_keypad_driver();
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137
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138 /* Note that the (kpd_env_ctrl_blk != 0) check is normally
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139 useless because if kpd_set_info fail, kpd_init will not
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140 be called */
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141 if ( (ret == RV_OK) && (kpd_env_ctrl_blk != 0))
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142 {
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143 kpd_env_ctrl_blk->swe_is_initialized = TRUE;
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144 }
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145
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146 return ret;
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147 }
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148
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149
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150 /**
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151 * function: kpd_stop
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152 */
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153 T_RVM_RETURN kpd_stop(void)
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154 {
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155 /* NB: Other SWEs have not been killed yet, kpd can send messages to other SWEs. */
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156
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157 return RVM_OK;
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158 }
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159
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160
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161 /**
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162 * function: kpd_kill
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163 */
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164 T_RVM_RETURN kpd_kill (void)
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165 {
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166 /*
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167 * DO NOT SEND MESSAGES
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168 */
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169 rvf_free_buf(kpd_env_ctrl_blk);
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170
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171 kpd_kill_keypad_driver();
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172
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173 return RVM_OK;
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174 }
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175
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176
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177 /*@}*/