FreeCalypso > hg > fc-magnetite
annotate src/cs/drivers/drv_app/kpd/board/kpd_scan_functions.c @ 248:35b17d54773d
helpers: build-date helper program written
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 03 Aug 2017 04:24:06 +0000 |
parents | 385841ccb7f8 |
children | bed6d393f3e0 |
rev | line source |
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1 /** |
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2 * @file kpd_scan_functions.c |
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3 * |
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4 * Implementation of hardware keypad interface functions. |
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5 * These functions implement the keypad interface with the windows. |
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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 #include "board.cfg" |
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22 #include "fc-target.cfg" |
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23 |
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24 #include "nucleus.h" /* used for HISR */ |
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25 |
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26 #include "kpd/kpd_scan_functions.h" |
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27 #include "kpd/kpd_cfg.h" |
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28 #include "kpd/kpd_physical_key_def.h" |
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29 #include "kpd/kpd_messages_i.h" |
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30 #include "kpd/kpd_env.h" |
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31 |
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32 #include "rvf/rvf_api.h" |
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33 #include "rvm/rvm_use_id_list.h" |
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34 #include "rvf/rvf_env.h" |
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35 |
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36 #if (CHIPSET == 12) |
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37 #include "inth/sys_inth.h" |
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38 #else |
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39 #include "armio/armio.h" |
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40 #include "inth/iq.h" |
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41 #endif |
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42 |
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43 #include "memif/mem.h" |
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44 |
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45 |
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46 #if (CHIPSET == 12) |
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47 #define KBR_CTRL_REG (MEM_KEYBOARD + 0x00) /* KBR control reg */ |
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48 #define KBR_DEBOUNCING_TIME (MEM_KEYBOARD + 0x02) /* KBR debouncing time reg */ |
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49 #define KBR_STATE_MACHINE_STATUS (MEM_KEYBOARD + 0x0E) /* KBR state machine status reg */ |
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50 #define KBR_IN (MEM_KEYBOARD + 0x10) /* KBR inputs (rows) */ |
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51 #define KBR_OUT (MEM_KEYBOARD + 0x12) /* KBR outputs (columns) */ |
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52 #endif |
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53 |
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54 |
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55 #if (CHIPSET == 12) |
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56 #define KP_ROW_IN KBR_IN |
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57 #define KP_COL_OUT KBR_OUT |
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58 #else |
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59 #define KP_ROW_IN ARMIO_KBR_IN |
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60 #define KP_COL_OUT ARMIO_KBR_OUT |
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61 #endif |
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62 |
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63 |
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64 #if (BOARD == 7) |
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65 #define KP_ROWS 5 |
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66 #define KP_COLS 4 |
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67 |
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68 const T_KPD_PHYSICAL_KEY_ID keypad_layout[KP_ROWS][KP_COLS]= |
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69 { |
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70 /* Layout of B-Sample */ |
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71 {KPD_PKEY_SOFT_LEFT, KPD_PKEY_UP, KPD_PKEY_DOWN, KPD_PKEY_SOFT_RIGHT}, |
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72 {KPD_PKEY_1, KPD_PKEY_2, KPD_PKEY_3, KPD_PKEY_GREEN}, |
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73 {KPD_PKEY_4, KPD_PKEY_5, KPD_PKEY_6, KPD_PKEY_NULL}, |
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74 {KPD_PKEY_7, KPD_PKEY_8, KPD_PKEY_9, KPD_PKEY_NULL}, |
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75 {KPD_PKEY_STAR, KPD_PKEY_0, KPD_PKEY_DIESE,KPD_PKEY_NULL}, |
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76 }; |
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77 #elif ((BOARD == 8) || (BOARD == 9)) |
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78 #define KP_ROWS 5 |
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79 #define KP_COLS 4 |
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80 const T_KPD_PHYSICAL_KEY_ID keypad_layout[KP_ROWS][KP_COLS]= |
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81 { |
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82 /* Layout of C-Sample */ |
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83 {KPD_PKEY_UP, KPD_PKEY_GREEN,KPD_PKEY_SOFT_RIGHT,KPD_PKEY_DOWN}, |
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84 {KPD_PKEY_1, KPD_PKEY_2, KPD_PKEY_3, KPD_PKEY_SOFT_LEFT}, |
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85 {KPD_PKEY_4, KPD_PKEY_5, KPD_PKEY_6, KPD_PKEY_NULL}, |
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86 {KPD_PKEY_7, KPD_PKEY_8, KPD_PKEY_9, KPD_PKEY_NULL}, |
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87 {KPD_PKEY_STAR, KPD_PKEY_0, KPD_PKEY_DIESE, KPD_PKEY_NULL}, |
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88 }; |
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89 #elif ((BOARD == 40) || (BOARD == 41) || (BOARD == 42) || (BOARD == 43)) |
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90 #define KP_ROWS 5 |
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91 #define KP_COLS 5 |
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92 const T_KPD_PHYSICAL_KEY_ID keypad_layout[KP_ROWS][KP_COLS]= |
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93 { |
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94 #ifdef CONFIG_TARGET_COMPAL |
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95 /* Mot C1xx keypad */ |
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96 {KPD_PKEY_GREEN, KPD_PKEY_3, KPD_PKEY_2, KPD_PKEY_1, |
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97 KPD_PKEY_NULL}, |
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98 {KPD_PKEY_UP, KPD_PKEY_6, KPD_PKEY_5, KPD_PKEY_4, |
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99 KPD_PKEY_NULL}, |
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100 {KPD_PKEY_DOWN, KPD_PKEY_9, KPD_PKEY_8, KPD_PKEY_7, |
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101 KPD_PKEY_NULL}, |
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102 {KPD_PKEY_LEFT, KPD_PKEY_DIESE, KPD_PKEY_0, KPD_PKEY_STAR, |
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103 KPD_PKEY_NULL}, |
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104 {KPD_PKEY_RIGHT, KPD_PKEY_SOFT_RIGHT, KPD_PKEY_NAV_CENTER,KPD_PKEY_SOFT_LEFT, |
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105 KPD_PKEY_NULL}, |
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106 #elif defined(CONFIG_TARGET_PIRELLI) |
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107 /* Pirelli's keypad */ |
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108 {KPD_PKEY_NAV_CENTER, KPD_PKEY_LEFT, KPD_PKEY_RIGHT, KPD_PKEY_UP, KPD_PKEY_NULL}, |
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109 {KPD_PKEY_SOFT_LEFT, KPD_PKEY_SOFT_RIGHT, KPD_PKEY_GREEN, KPD_PKEY_DOWN, KPD_PKEY_VOL_UP}, |
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110 {KPD_PKEY_3, KPD_PKEY_6, KPD_PKEY_9, KPD_PKEY_DIESE, KPD_PKEY_VOL_DOWN}, |
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111 {KPD_PKEY_2, KPD_PKEY_5, KPD_PKEY_8, KPD_PKEY_0, KPD_PKEY_REC}, |
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112 {KPD_PKEY_1, KPD_PKEY_4, KPD_PKEY_7, KPD_PKEY_STAR, KPD_PKEY_NULL}, |
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113 #else |
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114 /* Layout of D-Sample and E-Sample */ |
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115 {KPD_PKEY_GREEN, KPD_PKEY_VOL_DOWN, KPD_PKEY_VOL_UP,KPD_PKEY_SOFT_LEFT, KPD_PKEY_LEFT}, |
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116 {KPD_PKEY_1, KPD_PKEY_2, KPD_PKEY_3, KPD_PKEY_REC, KPD_PKEY_RIGHT}, |
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117 {KPD_PKEY_4, KPD_PKEY_5, KPD_PKEY_6, KPD_PKEY_SOFT_RIGHT, KPD_PKEY_UP}, |
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118 {KPD_PKEY_7, KPD_PKEY_8, KPD_PKEY_9, KPD_PKEY_NULL, KPD_PKEY_DOWN}, |
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119 {KPD_PKEY_STAR, KPD_PKEY_0, KPD_PKEY_DIESE, KPD_PKEY_NULL, KPD_PKEY_NAV_CENTER}, |
138
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120 #endif |
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121 }; |
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122 #endif |
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123 |
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124 #define KP_ACTIVATE(i) (~(1<<i)) |
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125 #define KP_IS_ACTIVE(rows,i) ((rows & (1<<i)) == 0) |
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126 #define KP_ALL_OFF 0x1F |
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127 #define KP_ALL_ON 0 |
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128 |
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129 extern T_KPD_ENV_CTRL_BLK* kpd_env_ctrl_blk; |
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130 |
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131 typedef struct { NU_HISR hisr; |
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132 char hisr_stack[512]; |
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133 } T_HISR_INFOS; |
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134 |
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135 static T_HISR_INFOS hisr_infos = {0}; |
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136 |
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137 |
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138 /** |
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139 * @name Functions implementation |
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140 * |
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141 */ |
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142 /*@{*/ |
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143 |
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144 |
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145 #if (CHIPSET == 12) |
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146 |
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147 /** kpd_init_ctrl_reg : Initialize the Control register |
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148 */ |
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149 void kpd_init_ctrl_reg(const UINT8 software_nreset, |
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150 const T_KPD_Nsoftware_mode nsoftware_mode, |
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151 const T_KPD_PTV ptv, |
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152 const T_KPD_EnableDetection long_key_process_en, |
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153 const T_KPD_EnableDetection time_out_empty_en, |
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154 const T_KPD_EnableDetection time_out_long_key_en, |
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155 const T_KPD_EnableDetection repeat_mode_en) |
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156 { |
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157 volatile UINT16 status_reg; |
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158 status_reg = *(volatile UINT16*) KBR_STATE_MACHINE_STATUS; |
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159 |
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160 if ( (status_reg != KPD_TEST_TIMER_DEBOUNCING) && (status_reg != KPD_TEST_TIMER_LONG_KEY) && |
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161 (status_reg != KPD_TEST_TIMER_TIME_OUT) && (status_reg != KPD_TEST_TIMER_REPEAT_KEY) ) |
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162 { |
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163 |
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164 /* The PTV can be programmed since the timer is not running */ |
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165 |
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166 *(volatile UINT16*) KBR_CTRL_REG = (software_nreset | |
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167 nsoftware_mode << 1 | |
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168 ptv << 2 | |
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169 long_key_process_en << 5 | |
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170 time_out_empty_en << 6 | |
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171 time_out_long_key_en << 7 | |
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172 repeat_mode_en << 8); |
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173 } |
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174 else |
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175 { |
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176 |
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177 /* The PTV must not be programmed when the timer is running */ |
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178 |
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179 SetGroupBits16(*(volatile unsigned short *)(KBR_CTRL_REG), 0, 1, software_nreset); |
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180 SetGroupBits16(*(volatile unsigned short *)(KBR_CTRL_REG), 1, 1, nsoftware_mode); |
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181 SetGroupBits16(*(volatile unsigned short *)(KBR_CTRL_REG), 5, 1, long_key_process_en); |
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182 SetGroupBits16(*(volatile unsigned short *)(KBR_CTRL_REG), 6, 1, time_out_empty_en); |
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183 SetGroupBits16(*(volatile unsigned short *)(KBR_CTRL_REG), 7, 1, time_out_long_key_en); |
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184 SetGroupBits16(*(volatile unsigned short *)(KBR_CTRL_REG), 8, 1, repeat_mode_en); |
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185 } |
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186 } |
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187 |
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188 |
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189 /** kpd_software_reset : reset software |
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190 */ |
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191 void kpd_software_reset(void) |
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192 { |
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193 volatile UINT16 mem_reg; |
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194 |
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195 mem_reg = (*(volatile UINT16*) KBR_CTRL_REG) & 0xFFFE; |
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196 *(volatile UINT16*) KBR_CTRL_REG = mem_reg; |
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197 |
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198 } |
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199 |
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200 |
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201 /** kpd_set_debouncing_time : Set the desired value of debouncing time |
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202 */ |
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203 void kpd_set_debouncing_time(const UINT8 debouncing_time) |
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204 { |
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205 |
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206 *(volatile UINT16*) KBR_DEBOUNCING_TIME = debouncing_time; |
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207 |
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208 } |
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209 |
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210 #endif /* #if (CHIPSET == 12) */ |
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211 |
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212 |
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213 |
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214 |
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215 /** |
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216 * function: hisr_entry |
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217 */ |
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218 static void hisr_entry(void) |
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219 { |
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220 T_RVF_MB_STATUS mb_status; |
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221 T_KPD_KEY_PRESSED_MSG* msg_key_pressed; |
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222 T_KPD_PHYSICAL_KEY_ID key; |
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223 |
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224 /* Reserve memory for message */ |
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225 mb_status = rvf_get_buf (kpd_env_ctrl_blk->prim_id, sizeof(T_KPD_KEY_PRESSED_MSG), (void **) &msg_key_pressed); |
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226 |
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227 if (mb_status != RVF_RED) /* Memory allocation success */ |
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228 { |
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229 /* Fill the message */ |
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230 msg_key_pressed->hdr.msg_id = KPD_KEY_PRESSED_MSG; |
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231 /* Virtual key id is not yet known */ |
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232 msg_key_pressed->value = KPD_PKEY_NULL; |
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233 if (mb_status == RVF_GREEN) |
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234 msg_key_pressed->key_to_process = TRUE; |
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235 else |
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236 msg_key_pressed->key_to_process = FALSE; |
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237 |
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238 /* Send message to the keypad task */ |
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239 rvf_send_msg(kpd_env_ctrl_blk->addr_id, msg_key_pressed); |
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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: Not enough memory to send new key pressed", RV_TRACE_LEVEL_ERROR); |
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244 kpd_acknowledge_key_pressed(); |
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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 /** |
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250 * function: kpd_initialize_keypad_hardware |
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251 */ |
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252 void kpd_initialize_keypad_hardware(void) |
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253 { |
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254 /* HISR creation */ |
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255 NU_Create_HISR(&hisr_infos.hisr, |
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256 "KPD_HISR", |
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257 hisr_entry, |
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258 2, |
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259 hisr_infos.hisr_stack, |
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260 sizeof(hisr_infos.hisr_stack)); |
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261 |
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262 |
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263 #if (CHIPSET == 12) |
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264 /* Init control register ; hardware decoding */ |
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265 kpd_init_ctrl_reg(1, HARDWARE_DECODING, KPD_CLK_DIV32, |
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266 KPD_DETECTION_DISABLED, KPD_DETECTION_DISABLED, |
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267 KPD_DETECTION_DISABLED, KPD_DETECTION_DISABLED); |
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268 |
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269 /* Debouncing time = 64ms */ |
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270 kpd_set_debouncing_time(0x3F); |
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271 |
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272 #endif |
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273 |
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274 /* Activate all outputs */ |
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275 *(volatile UINT16*) KP_COL_OUT = KP_ALL_ON; |
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276 |
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277 /* Unmask keypad interrupt */ |
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278 #if ((BOARD == 8) || (BOARD == 9) || (BOARD == 40) || (BOARD == 41)) |
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279 AI_UnmaskIT (ARMIO_MASKIT_KBD); |
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280 #elif (CHIPSET == 12) |
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281 F_INTH_ENABLE_ONE_IT(C_INTH_KEYBOARD_IT); |
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282 #else |
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283 IQ_Unmask (IQ_ARMIO); |
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284 #endif |
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285 } |
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286 |
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287 |
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288 |
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289 /** |
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290 * function: kpd_key_handler |
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291 */ |
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292 void kpd_key_handler(void) |
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293 { |
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294 /* If keypad is not started, return immediately */ |
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295 if ( (kpd_env_ctrl_blk == 0) || (kpd_env_ctrl_blk->swe_is_initialized == FALSE) ) |
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296 { |
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297 kpd_acknowledge_key_pressed(); |
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298 } |
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299 else |
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300 { |
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301 /* Mask keypad interrupt until key is released */ |
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302 #if ((BOARD == 8) || (BOARD == 9) || (BOARD == 40) || (BOARD == 41)) |
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303 AI_MaskIT (ARMIO_MASKIT_KBD); |
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304 #elif (CHIPSET == 12) |
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305 F_INTH_DISABLE_ONE_IT(C_INTH_KEYBOARD_IT); |
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306 #else |
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307 IQ_Mask(IQ_ARMIO); |
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308 #endif |
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309 |
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310 /* Activate HISR to process the key event */ |
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311 NU_Activate_HISR(&hisr_infos.hisr); |
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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 * function: kpd_acknowledge_key_pressed |
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317 */ |
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318 void kpd_acknowledge_key_pressed(void) |
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319 { |
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320 /* Unmask keypad interrupt */ |
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321 #if ((BOARD == 8) || (BOARD == 9) || (BOARD == 40) || (BOARD == 41)) |
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322 AI_UnmaskIT (ARMIO_MASKIT_KBD); |
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323 #elif (CHIPSET == 12) |
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324 F_INTH_ENABLE_ONE_IT(C_INTH_KEYBOARD_IT); |
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325 #else |
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326 IQ_Unmask (IQ_ARMIO); |
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327 #endif |
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328 } |
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329 |
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330 |
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331 /* |
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332 * delay |
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333 * |
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334 * Wait a while to let bus settle |
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335 * Magic value found by trial and error |
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336 * |
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337 */ |
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338 static void delay(void) |
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339 { |
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340 volatile int i; |
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341 |
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342 for (i=0;i<10;i++) ; |
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343 } |
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344 |
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345 /** |
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346 * function: kpd_scan_keypad |
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347 */ |
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348 T_KPD_PHYSICAL_KEY_ID kpd_scan_keypad(void) |
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349 { |
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350 int row, col; |
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351 volatile UINT16 rows; |
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352 |
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353 /* Activate all columns to find if any row is active */ |
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354 *(volatile UINT16*) KP_COL_OUT = KP_ALL_ON; |
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355 delay(); |
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356 |
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357 rows = (*(volatile UINT16*) KP_ROW_IN) & 0x1F; |
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358 if (rows == KP_ALL_OFF) |
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359 return KPD_PKEY_NULL; |
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360 |
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361 /* Deactivate all columns */ |
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362 *(volatile UINT16*) KP_COL_OUT = KP_ALL_OFF; |
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363 |
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364 /* Activate 1 column at a time */ |
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365 for (col = 0; col < KP_COLS; col++) |
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366 { |
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367 *(volatile UINT16*) KP_COL_OUT = (KP_ACTIVATE(col)); |
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368 delay(); |
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369 |
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370 /* Find which row is active */ |
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371 rows = (*(volatile UINT16*) KP_ROW_IN) & 0x1F; |
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372 |
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373 if (rows != KP_ALL_OFF) |
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374 { |
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375 for (row = 0; row < KP_ROWS; row++) |
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376 { |
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377 /* first active row */ |
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378 if ( KP_IS_ACTIVE(rows,row)) |
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379 { |
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380 /* Reactivate all columns */ |
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381 *(volatile UINT16*) KP_COL_OUT = KP_ALL_ON; |
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382 /* DO NOT remove this comment. It allows to simply define the link physical layout |
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383 and physical key Id (for a new keypad) */ |
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384 //KPD_SEND_TRACE_PARAM("KPD: Keypad layout check ", keypad_layout[row][col], RV_TRACE_LEVEL_DEBUG_HIGH); |
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385 return keypad_layout[row][col]; |
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386 } |
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387 } |
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388 } |
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389 } |
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390 |
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391 /* No row was active - Reactivate all columns and return */ |
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392 *(volatile UINT16*) KP_COL_OUT = KP_ALL_ON; |
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393 return KPD_PKEY_NULL; |
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394 } |
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395 |
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396 |
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397 /*@}*/ |