FreeCalypso > hg > fc-selenite
annotate src/cs/drivers/drv_app/kpd/kpd_functions.c @ 111:97297555c71a
FFS dev.c flash device table reworked as described in TCS211-fw-arch
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 13 Oct 2018 16:32:07 +0000 |
parents | b6a5e36de839 |
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rev | line source |
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1 /** |
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2 * @file kpd_functions.c |
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3 * |
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4 * Implementation of Keypad functions. |
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5 * These functions implement the keypad processing. |
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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 #include "kpd/kpd_i.h" |
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23 #include "kpd/kpd_virtual_key_table_mgt.h" |
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24 #include "kpd/kpd_env.h" |
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25 #include "kpd/kpd_messages_i.h" |
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26 |
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27 #include "rvf/rvf_api.h" |
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28 #include "rvm/rvm_use_id_list.h" |
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29 |
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30 extern T_KPD_ENV_CTRL_BLK* kpd_env_ctrl_blk; |
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31 |
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32 |
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33 /* Define the max of subscribers supported by the keypad driver */ |
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34 #define MAX_SUBSCRIBERS 32 |
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35 |
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36 |
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37 #define KEY_MASK_SIZE_FOR_SN_MODE 20 |
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38 |
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39 /* This structure gather general informations about keypad */ |
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40 typedef struct { UINT32 reserved_subscriber_id; |
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41 UINT8 keypad_mode; |
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42 char sn_mode_notified_keys[KEY_MASK_SIZE_FOR_SN_MODE]; |
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43 T_SUBSCRIBER_ID owner_keypad_id; |
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44 } T_KEYPAD_DRIVER_INFOS; |
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45 |
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46 /* Keypad informations */ |
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47 static T_KEYPAD_DRIVER_INFOS keypad_driver_infos; |
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48 |
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49 /* Mutex used to protect reserved_subscriber_id variable */ |
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50 static T_RVF_MUTEX mutex; |
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51 |
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52 |
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53 /** |
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54 * @name Functions implementation |
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55 * |
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56 */ |
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57 /*@{*/ |
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58 |
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59 |
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60 /** |
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61 * function: kpd_initialize_keypad_driver |
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62 */ |
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63 T_RV_RET kpd_initialize_keypad_driver(void) |
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64 { |
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65 T_RV_RET ret = RV_OK; |
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66 UINT8 i; |
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67 |
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68 /* Initialization of keypad_driver_infos */ |
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69 keypad_driver_infos.reserved_subscriber_id = 0; |
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70 keypad_driver_infos.keypad_mode = MN_MODE; |
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71 for (i = 0; i < KEY_MASK_SIZE_FOR_SN_MODE; i++) |
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72 keypad_driver_infos.sn_mode_notified_keys[i] = 0; |
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73 keypad_driver_infos.owner_keypad_id = 0; |
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74 |
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75 /* Initialize ASCII table */ |
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76 if (kpd_initialize_ascii_table() != RV_OK) |
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77 ret = RV_INTERNAL_ERR; |
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78 |
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79 /* Check if number max of subscriber is supported by the driver */ |
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80 else if (KPD_MAX_SUBSCRIBER > MAX_SUBSCRIBERS) |
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81 ret = RV_INTERNAL_ERR; |
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82 |
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83 /* Check validity of the vpm table */ |
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84 else if (kpd_vpm_table_is_valid() == FALSE) |
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85 ret = RV_INTERNAL_ERR; |
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86 |
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87 /* Mutex initialization */ |
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88 else if (rvf_initialize_mutex(&mutex) != RVF_OK) |
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89 ret = RV_INTERNAL_ERR; |
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90 |
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91 /* Hardware initialization */ |
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92 kpd_initialize_keypad_hardware(); |
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93 |
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94 if (ret == RV_INTERNAL_ERR) |
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95 KPD_SEND_TRACE("Keypad driver initialization failed", RV_TRACE_LEVEL_ERROR); |
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96 |
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97 return ret; |
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98 } |
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99 |
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100 /** |
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101 * function: kpd_kill_keypad_driver |
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102 */ |
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103 T_RV_RET kpd_kill_keypad_driver(void) |
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104 { |
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105 return rvf_delete_mutex(&mutex); |
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106 } |
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107 |
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108 |
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109 /** |
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110 * function: kpd_add_subscriber |
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111 */ |
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112 T_RV_RET kpd_add_subscriber(T_SUBSCRIBER_ID* subscriber_id) |
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113 { |
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114 UINT8 i; |
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115 UINT8 nb_subscriber = 0; |
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116 T_RV_RET ret = RV_OK; |
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117 |
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118 rvf_lock_mutex(&mutex); |
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119 |
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120 /* Check number of subscribers */ |
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121 for (i = 0; i < KPD_MAX_SUBSCRIBER; i++) |
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122 if (keypad_driver_infos.reserved_subscriber_id & (1<<i)) |
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123 nb_subscriber++; |
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124 |
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125 if (nb_subscriber >= KPD_MAX_SUBSCRIBER) |
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126 { |
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127 KPD_SEND_TRACE("KPD: Max of subscriber reached", RV_TRACE_LEVEL_WARNING); |
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128 ret = RV_INTERNAL_ERR; |
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129 } |
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130 else |
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131 { |
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132 for (i = 0; i < KPD_MAX_SUBSCRIBER; i++) |
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133 if ( (keypad_driver_infos.reserved_subscriber_id & (1<<i)) == 0) |
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134 { |
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135 keypad_driver_infos.reserved_subscriber_id |= 1<<i; |
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136 *subscriber_id = i; |
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137 break; |
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138 } |
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139 } |
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140 |
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141 rvf_unlock_mutex(&mutex); |
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142 |
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143 return ret; |
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144 } |
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145 |
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146 /** |
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147 * function: kpd_remove_subscriber |
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148 */ |
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149 T_RV_RET kpd_remove_subscriber(T_SUBSCRIBER_ID subscriber_id) |
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150 { |
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151 T_RV_RET ret = RV_OK; |
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152 |
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153 rvf_lock_mutex(&mutex); |
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154 |
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155 /* Check if subscriber id is correct */ |
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156 if (keypad_driver_infos.reserved_subscriber_id & (1<<subscriber_id) ) |
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157 { |
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158 /* Unreserve the id */ |
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159 keypad_driver_infos.reserved_subscriber_id &= ~(1<<subscriber_id); |
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160 } |
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161 else |
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162 { |
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163 KPD_SEND_TRACE("KPD: Subscriber Id unknown", RV_TRACE_LEVEL_ERROR); |
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164 ret = RV_INVALID_PARAMETER; |
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165 } |
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166 |
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167 rvf_unlock_mutex(&mutex); |
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168 |
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169 return ret; |
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170 } |
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171 |
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172 /** |
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173 * function: kpd_subscriber_id_used |
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174 */ |
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175 BOOL kpd_subscriber_id_used(T_KPD_SUBSCRIBER subscriber, T_SUBSCRIBER_ID* subscriber_id) |
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176 { |
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177 BOOL ret = FALSE; |
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178 T_SUBSCRIBER_ID id; |
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179 |
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180 rvf_lock_mutex(&mutex); |
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181 |
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182 if (subscriber != 0) |
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183 { |
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184 id = ((T_SUBSCRIBER*) subscriber)->subscriber_id; |
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185 *subscriber_id = id; |
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186 |
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187 /* Check if subscriber id is correct */ |
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188 if ( keypad_driver_infos.reserved_subscriber_id & (1<<id) ) |
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189 ret = TRUE; |
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190 } |
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191 |
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192 rvf_unlock_mutex(&mutex); |
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193 |
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194 return ret; |
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195 } |
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196 |
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197 |
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198 /** |
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199 * function: kpd_send_key_event_message |
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200 */ |
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201 void kpd_send_key_event_message(T_KPD_PHYSICAL_KEY_ID physical_key_pressed_id, |
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202 T_KPD_KEY_STATE state, |
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203 T_KPD_PRESS_STATE press_state, |
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204 T_KPD_MODE mode, |
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205 T_RV_RETURN return_path) |
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206 { |
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207 T_RVF_MB_STATUS mb_status; |
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208 T_KPD_KEY_EVENT_MSG* key_event; |
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209 char* ascii_code; |
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210 |
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211 |
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212 /* Subscriber must be notified by the pressed key */ |
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213 mb_status = rvf_get_buf (kpd_env_ctrl_blk->prim_id, sizeof(T_KPD_KEY_EVENT_MSG), (void **) &key_event); |
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214 |
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215 if (mb_status != RVF_RED) /* Memory allocation success */ |
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216 { |
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217 /* Fill the message */ |
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218 key_event->hdr.msg_id = KPD_KEY_EVENT_MSG; |
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219 key_event->key_info.virtual_key_id = kpd_get_virtual_key(physical_key_pressed_id, |
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220 mode); |
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221 key_event->key_info.state = state; |
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222 key_event->key_info.press_state = press_state; |
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223 kpd_get_ascii_key_value(physical_key_pressed_id, |
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224 mode, |
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225 &ascii_code); |
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226 key_event->key_info.ascii_value_p = ascii_code; |
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227 |
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228 KPD_SEND_TRACE_PARAM("KPD: Virtual key Id sent: ", key_event->key_info.virtual_key_id, RV_TRACE_LEVEL_DEBUG_HIGH); |
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229 |
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230 /* Send message to the client */ |
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231 if (return_path.callback_func != 0) |
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232 { |
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233 return_path.callback_func((void*) key_event); |
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234 rvf_free_buf(key_event); |
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235 } |
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|
236 else |
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237 { |
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238 rvf_send_msg(return_path.addr_id, key_event); |
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239 } |
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240 } |
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241 else |
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242 { |
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243 KPD_SEND_TRACE("KPD: Memory allocation error", RV_TRACE_LEVEL_ERROR); |
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244 } |
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245 } |
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246 |
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247 |
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248 /** |
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249 * function: kpd_send_status_message |
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250 */ |
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251 void kpd_send_status_message(UINT8 operation, UINT8 status_value, T_RV_RETURN return_path) |
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252 { |
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253 T_RVF_MB_STATUS mb_status; |
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254 T_KPD_STATUS_MSG* msg_status; |
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255 |
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256 /* Reserve memory for message */ |
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257 mb_status = rvf_get_buf (kpd_env_ctrl_blk->prim_id, sizeof(T_KPD_STATUS_MSG), (void **) &msg_status); |
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258 |
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259 if (mb_status != RVF_RED) /* Memory allocation success */ |
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260 { |
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261 /* Fill the message */ |
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262 msg_status->hdr.msg_id = KPD_STATUS_MSG; |
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263 msg_status->operation = operation; |
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264 msg_status->status_value = status_value; |
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265 |
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266 /* Send message to the client */ |
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267 if (return_path.callback_func != 0) |
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268 { |
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269 return_path.callback_func((void*) msg_status); |
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270 rvf_free_buf(msg_status); |
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271 |
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272 } |
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273 else |
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274 { |
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275 rvf_send_msg(return_path.addr_id, msg_status); |
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276 } |
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277 KPD_SEND_TRACE_PARAM("KPD: Sent status message, Id:", status_value, RV_TRACE_LEVEL_DEBUG_LOW); |
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278 } |
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279 else |
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280 { |
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281 KPD_SEND_TRACE("KPD: Memory allocation error", RV_TRACE_LEVEL_ERROR); |
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282 } |
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283 } |
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284 |
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285 |
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286 /** |
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287 * function: kpd_is_key_in_sn_mode |
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288 */ |
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289 BOOL kpd_is_key_in_sn_mode(T_KPD_PHYSICAL_KEY_ID physical_key_pressed_id) |
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290 { |
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291 return ( (keypad_driver_infos.keypad_mode == SN_MODE) |
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292 && (keypad_driver_infos.sn_mode_notified_keys[physical_key_pressed_id >> 3] & (1<<(physical_key_pressed_id & 0x07))) ); |
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293 } |
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294 |
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295 |
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296 /** |
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297 * function: kpd_set_keys_in_sn_mode |
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298 */ |
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299 void kpd_set_keys_in_sn_mode(T_KPD_VIRTUAL_KEY_TABLE* keys_owner, T_KPD_MODE mode) |
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300 { |
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301 UINT8 i; |
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302 INT8 position; |
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303 |
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304 for (i = 0; i < keys_owner->nb_notified_keys; i++) |
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305 { |
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306 /* Retrieve position in vpm table */ |
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307 kpd_retrieve_virtual_key_position(keys_owner->notified_keys[i], |
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308 mode, |
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309 &position); |
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310 |
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311 keypad_driver_infos.sn_mode_notified_keys[position >> 3] |= (1<<(position & 0x07)); |
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312 } |
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313 } |
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314 |
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315 |
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316 /** |
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317 * function: kpd_is_owner_keypad |
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318 */ |
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319 BOOL kpd_is_owner_keypad(T_SUBSCRIBER_ID subscriber_id) |
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320 { |
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321 return ( (keypad_driver_infos.keypad_mode == SN_MODE) |
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322 && (keypad_driver_infos.owner_keypad_id == subscriber_id) ); |
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323 } |
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324 |
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325 |
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326 /** |
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327 * function: kpd_get_keypad_mode |
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328 */ |
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329 UINT8 kpd_get_keypad_mode(void) |
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330 { |
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331 return keypad_driver_infos.keypad_mode; |
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332 } |
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333 |
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334 /** |
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335 * function: kpd_set_keypad_mode |
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336 */ |
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337 void kpd_set_keypad_mode(UINT8 mode) |
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338 { |
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339 UINT8 i; |
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340 |
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341 keypad_driver_infos.keypad_mode = mode; |
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342 |
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343 if (mode == MN_MODE) |
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344 { |
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345 for (i = 0; i < KEY_MASK_SIZE_FOR_SN_MODE; i++) |
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346 keypad_driver_infos.sn_mode_notified_keys[i] = 0; |
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347 } |
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348 } |
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349 |
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350 /** |
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351 * function: kpd_get_owner_keypad_id |
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352 */ |
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353 T_SUBSCRIBER_ID kpd_get_owner_keypad_id(void) |
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354 { |
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355 return keypad_driver_infos.owner_keypad_id; |
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356 } |
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357 |
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358 /** |
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359 * function: kpd_set_owner_keypad_id |
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360 */ |
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361 void kpd_set_owner_keypad_id(T_SUBSCRIBER_ID subscriber_id) |
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Mychaela Falconia <falcon@freecalypso.org>
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362 { |
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src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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363 keypad_driver_infos.owner_keypad_id = subscriber_id; |
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src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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364 } |
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src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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365 |
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src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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366 |
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src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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367 /*@}*/ |