FreeCalypso > hg > fc-magnetite

annotate src/cs/drivers/drv_app/kpd/board/kpd_scan_functions.c @ 125:d5bbfb9649d5

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src/aci2/mfw: file renames to make filename case consistent
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 07 Oct 2016 05:33:56 +0000
parents 945cf7f506b2
children 385841ccb7f8
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945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
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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
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23 #include "nucleus.h" /* used for HISR */
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24
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25 #include "kpd/kpd_scan_functions.h"
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26 #include "kpd/kpd_cfg.h"
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27 #include "kpd/kpd_physical_key_def.h"
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28 #include "kpd/kpd_messages_i.h"
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29 #include "kpd/kpd_env.h"
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30
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31 #include "rvf/rvf_api.h"
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32 #include "rvm/rvm_use_id_list.h"
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33 #include "rvf/rvf_env.h"
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34
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35 #if (CHIPSET == 12)
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36 #include "inth/sys_inth.h"
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37 #else
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38 #include "armio/armio.h"
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39 #include "inth/iq.h"
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40 #endif
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41
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42 #include "memif/mem.h"
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43
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44
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45 #if (CHIPSET == 12)
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46 #define KBR_CTRL_REG (MEM_KEYBOARD + 0x00) /* KBR control reg */
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47 #define KBR_DEBOUNCING_TIME (MEM_KEYBOARD + 0x02) /* KBR debouncing time reg */
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48 #define KBR_STATE_MACHINE_STATUS (MEM_KEYBOARD + 0x0E) /* KBR state machine status reg */
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49 #define KBR_IN (MEM_KEYBOARD + 0x10) /* KBR inputs (rows) */
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50 #define KBR_OUT (MEM_KEYBOARD + 0x12) /* KBR outputs (columns) */
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51 #endif
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52
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53
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54 #if (CHIPSET == 12)
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55 #define KP_ROW_IN KBR_IN
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56 #define KP_COL_OUT KBR_OUT
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57 #else
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58 #define KP_ROW_IN ARMIO_KBR_IN
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59 #define KP_COL_OUT ARMIO_KBR_OUT
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60 #endif
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61
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62
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63 #if (BOARD == 7)
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64 #define KP_ROWS 5
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65 #define KP_COLS 4
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66
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67 const T_KPD_PHYSICAL_KEY_ID keypad_layout[KP_ROWS][KP_COLS]=
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68 {
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69 /* Layout of B-Sample */
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70 {KPD_PKEY_SOFT_LEFT, KPD_PKEY_UP, KPD_PKEY_DOWN, KPD_PKEY_SOFT_RIGHT},
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71 {KPD_PKEY_1, KPD_PKEY_2, KPD_PKEY_3, KPD_PKEY_GREEN},
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72 {KPD_PKEY_4, KPD_PKEY_5, KPD_PKEY_6, KPD_PKEY_NULL},
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73 {KPD_PKEY_7, KPD_PKEY_8, KPD_PKEY_9, KPD_PKEY_NULL},
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74 {KPD_PKEY_STAR, KPD_PKEY_0, KPD_PKEY_DIESE,KPD_PKEY_NULL},
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75 };
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76 #elif ((BOARD == 8) || (BOARD == 9))
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77 #define KP_ROWS 5
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78 #define KP_COLS 4
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79 const T_KPD_PHYSICAL_KEY_ID keypad_layout[KP_ROWS][KP_COLS]=
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80 {
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81 /* Layout of C-Sample */
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82 {KPD_PKEY_UP, KPD_PKEY_GREEN,KPD_PKEY_SOFT_RIGHT,KPD_PKEY_DOWN},
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83 {KPD_PKEY_1, KPD_PKEY_2, KPD_PKEY_3, KPD_PKEY_SOFT_LEFT},
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84 {KPD_PKEY_4, KPD_PKEY_5, KPD_PKEY_6, KPD_PKEY_NULL},
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85 {KPD_PKEY_7, KPD_PKEY_8, KPD_PKEY_9, KPD_PKEY_NULL},
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86 {KPD_PKEY_STAR, KPD_PKEY_0, KPD_PKEY_DIESE, KPD_PKEY_NULL},
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87 };
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88 #elif ((BOARD == 40) || (BOARD == 41) || (BOARD == 42) || (BOARD == 43))
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89 #define KP_ROWS 5
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90 #define KP_COLS 5
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91 const T_KPD_PHYSICAL_KEY_ID keypad_layout[KP_ROWS][KP_COLS]=
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92 {
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93 /* Layout of D-Sample and E-Sample */
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94 {KPD_PKEY_GREEN, KPD_PKEY_VOL_DOWN, KPD_PKEY_VOL_UP,KPD_PKEY_SOFT_LEFT, KPD_PKEY_LEFT},
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95 {KPD_PKEY_1, KPD_PKEY_2, KPD_PKEY_3, KPD_PKEY_REC, KPD_PKEY_RIGHT},
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96 {KPD_PKEY_4, KPD_PKEY_5, KPD_PKEY_6, KPD_PKEY_SOFT_RIGHT, KPD_PKEY_UP},
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97 {KPD_PKEY_7, KPD_PKEY_8, KPD_PKEY_9, KPD_PKEY_NULL, KPD_PKEY_DOWN},
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98 {KPD_PKEY_STAR, KPD_PKEY_0, KPD_PKEY_DIESE, KPD_PKEY_NULL, KPD_PKEY_NAV_CENTER},
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99 };
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100 #endif
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101
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102 #define KP_ACTIVATE(i) (~(1<<i))
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103 #define KP_IS_ACTIVE(rows,i) ((rows & (1<<i)) == 0)
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104 #define KP_ALL_OFF 0x1F
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105 #define KP_ALL_ON 0
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106
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107 extern T_KPD_ENV_CTRL_BLK* kpd_env_ctrl_blk;
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108
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109 typedef struct { NU_HISR hisr;
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110 char hisr_stack[512];
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111 } T_HISR_INFOS;
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112
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113 static T_HISR_INFOS hisr_infos = {0};
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114
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115
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116 /**
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117 * @name Functions implementation
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118 *
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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 #if (CHIPSET == 12)
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124
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125 /** kpd_init_ctrl_reg : Initialize the Control register
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126 */
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127 void kpd_init_ctrl_reg(const UINT8 software_nreset,
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128 const T_KPD_Nsoftware_mode nsoftware_mode,
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129 const T_KPD_PTV ptv,
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130 const T_KPD_EnableDetection long_key_process_en,
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131 const T_KPD_EnableDetection time_out_empty_en,
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132 const T_KPD_EnableDetection time_out_long_key_en,
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133 const T_KPD_EnableDetection repeat_mode_en)
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134 {
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135 volatile UINT16 status_reg;
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136 status_reg = *(volatile UINT16*) KBR_STATE_MACHINE_STATUS;
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137
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138 if ( (status_reg != KPD_TEST_TIMER_DEBOUNCING) && (status_reg != KPD_TEST_TIMER_LONG_KEY) &&
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139 (status_reg != KPD_TEST_TIMER_TIME_OUT) && (status_reg != KPD_TEST_TIMER_REPEAT_KEY) )
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140 {
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141
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142 /* The PTV can be programmed since the timer is not running */
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143
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144 *(volatile UINT16*) KBR_CTRL_REG = (software_nreset |
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145 nsoftware_mode << 1 |
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146 ptv << 2 |
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147 long_key_process_en << 5 |
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148 time_out_empty_en << 6 |
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149 time_out_long_key_en << 7 |
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150 repeat_mode_en << 8);
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151 }
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152 else
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153 {
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154
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155 /* The PTV must not be programmed when the timer is running */
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156
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157 SetGroupBits16(*(volatile unsigned short *)(KBR_CTRL_REG), 0, 1, software_nreset);
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158 SetGroupBits16(*(volatile unsigned short *)(KBR_CTRL_REG), 1, 1, nsoftware_mode);
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159 SetGroupBits16(*(volatile unsigned short *)(KBR_CTRL_REG), 5, 1, long_key_process_en);
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160 SetGroupBits16(*(volatile unsigned short *)(KBR_CTRL_REG), 6, 1, time_out_empty_en);
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161 SetGroupBits16(*(volatile unsigned short *)(KBR_CTRL_REG), 7, 1, time_out_long_key_en);
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162 SetGroupBits16(*(volatile unsigned short *)(KBR_CTRL_REG), 8, 1, repeat_mode_en);
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163 }
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164 }
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165
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166
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167 /** kpd_software_reset : reset software
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168 */
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169 void kpd_software_reset(void)
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170 {
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171 volatile UINT16 mem_reg;
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172
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173 mem_reg = (*(volatile UINT16*) KBR_CTRL_REG) & 0xFFFE;
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174 *(volatile UINT16*) KBR_CTRL_REG = mem_reg;
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175
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176 }
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177
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178
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179 /** kpd_set_debouncing_time : Set the desired value of debouncing time
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180 */
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181 void kpd_set_debouncing_time(const UINT8 debouncing_time)
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182 {
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183
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184 *(volatile UINT16*) KBR_DEBOUNCING_TIME = debouncing_time;
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185
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186 }
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187
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188 #endif /* #if (CHIPSET == 12) */
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189
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190
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191
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192
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193 /**
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194 * function: hisr_entry
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195 */
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196 static void hisr_entry(void)
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197 {
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198 T_RVF_MB_STATUS mb_status;
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199 T_KPD_KEY_PRESSED_MSG* msg_key_pressed;
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200 T_KPD_PHYSICAL_KEY_ID key;
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201
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202 /* Reserve memory for message */
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203 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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204
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205 if (mb_status != RVF_RED) /* Memory allocation success */
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206 {
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207 /* Fill the message */
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208 msg_key_pressed->hdr.msg_id = KPD_KEY_PRESSED_MSG;
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209 /* Virtual key id is not yet known */
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210 msg_key_pressed->value = KPD_PKEY_NULL;
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211 if (mb_status == RVF_GREEN)
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212 msg_key_pressed->key_to_process = TRUE;
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diff changeset
213 else
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diff changeset
214 msg_key_pressed->key_to_process = FALSE;
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215
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216 /* Send message to the keypad task */
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217 rvf_send_msg(kpd_env_ctrl_blk->addr_id, msg_key_pressed);
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218 }
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diff changeset
219 else
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220 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
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221 KPD_SEND_TRACE("KPD: Not enough memory to send new key pressed", RV_TRACE_LEVEL_ERROR);
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diff changeset
222 kpd_acknowledge_key_pressed();
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diff changeset
223 }
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diff changeset
224 }
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225
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226
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diff changeset
227 /**
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228 * function: kpd_initialize_keypad_hardware
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diff changeset
229 */
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diff changeset
230 void kpd_initialize_keypad_hardware(void)
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231 {
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232 /* HISR creation */
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diff changeset
233 NU_Create_HISR(&hisr_infos.hisr,
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234 "KPD_HISR",
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235 hisr_entry,
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diff changeset
236 2,
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diff changeset
237 hisr_infos.hisr_stack,
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diff changeset
238 sizeof(hisr_infos.hisr_stack));
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239
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 #if (CHIPSET == 12)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 /* Init control register ; hardware decoding */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 kpd_init_ctrl_reg(1, HARDWARE_DECODING, KPD_CLK_DIV32,
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 KPD_DETECTION_DISABLED, KPD_DETECTION_DISABLED,
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 KPD_DETECTION_DISABLED, KPD_DETECTION_DISABLED);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 /* Debouncing time = 64ms */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 kpd_set_debouncing_time(0x3F);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 /* Activate all outputs */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 *(volatile UINT16*) KP_COL_OUT = KP_ALL_ON;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 /* Unmask keypad interrupt */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 #if ((BOARD == 8) || (BOARD == 9) || (BOARD == 40) || (BOARD == 41))
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 AI_UnmaskIT (ARMIO_MASKIT_KBD);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 #elif (CHIPSET == 12)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 F_INTH_ENABLE_ONE_IT(C_INTH_KEYBOARD_IT);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 IQ_Unmask (IQ_ARMIO);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 /**
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
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268 * function: kpd_key_handler
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270 void kpd_key_handler(void)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272 /* If keypad is not started, return immediately */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273 if ( (kpd_env_ctrl_blk == 0) || (kpd_env_ctrl_blk->swe_is_initialized == FALSE) )
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
274 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
275 kpd_acknowledge_key_pressed();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
277 else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
278 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279 /* Mask keypad interrupt until key is released */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 #if ((BOARD == 8) || (BOARD == 9) || (BOARD == 40) || (BOARD == 41))
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 AI_MaskIT (ARMIO_MASKIT_KBD);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 #elif (CHIPSET == 12)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
283 F_INTH_DISABLE_ONE_IT(C_INTH_KEYBOARD_IT);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 IQ_Mask(IQ_ARMIO);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
286 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
288 /* Activate HISR to process the key event */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
289 NU_Activate_HISR(&hisr_infos.hisr);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
290 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
291 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
292
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
293 /**
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
294 * function: kpd_acknowledge_key_pressed
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
295 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
296 void kpd_acknowledge_key_pressed(void)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
297 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
298 /* Unmask keypad interrupt */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
299 #if ((BOARD == 8) || (BOARD == 9) || (BOARD == 40) || (BOARD == 41))
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300 AI_UnmaskIT (ARMIO_MASKIT_KBD);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
301 #elif (CHIPSET == 12)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
302 F_INTH_ENABLE_ONE_IT(C_INTH_KEYBOARD_IT);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
303 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
304 IQ_Unmask (IQ_ARMIO);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
305 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
306 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
307
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
310 * delay
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
311 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
312 * Wait a while to let bus settle
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
313 * Magic value found by trial and error
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
314 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
315 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
316 static void delay(void)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
317 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
318 volatile int i;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
319
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
320 for (i=0;i<10;i++) ;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
321 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
322
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
323 /**
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
324 * function: kpd_scan_keypad
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
325 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
326 T_KPD_PHYSICAL_KEY_ID kpd_scan_keypad(void)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
327 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
328 int row, col;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
329 volatile UINT16 rows;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
330
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
331 /* Activate all columns to find if any row is active */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332 *(volatile UINT16*) KP_COL_OUT = KP_ALL_ON;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
333 delay();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
335 rows = (*(volatile UINT16*) KP_ROW_IN) & 0x1F;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
336 if (rows == KP_ALL_OFF)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
337 return KPD_PKEY_NULL;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
338
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
339 /* Deactivate all columns */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
340 *(volatile UINT16*) KP_COL_OUT = KP_ALL_OFF;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
342 /* Activate 1 column at a time */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
343 for (col = 0; col < KP_COLS; col++)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
344 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
345 *(volatile UINT16*) KP_COL_OUT = (KP_ACTIVATE(col));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
346 delay();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
347
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
348 /* Find which row is active */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349 rows = (*(volatile UINT16*) KP_ROW_IN) & 0x1F;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
350
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
351 if (rows != KP_ALL_OFF)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
352 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
353 for (row = 0; row < KP_ROWS; row++)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
354 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
355 /* first active row */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
356 if ( KP_IS_ACTIVE(rows,row))
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
357 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
358 /* Reactivate all columns */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
359 *(volatile UINT16*) KP_COL_OUT = KP_ALL_ON;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
360 /* DO NOT remove this comment. It allows to simply define the link physical layout
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
361 and physical key Id (for a new keypad) */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
362 //KPD_SEND_TRACE_PARAM("KPD: Keypad layout check ", keypad_layout[row][col], RV_TRACE_LEVEL_DEBUG_HIGH);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
363 return keypad_layout[row][col];
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
364 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
365 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
366 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
367 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
368
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
369 /* No row was active - Reactivate all columns and return */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
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370 *(volatile UINT16*) KP_COL_OUT = KP_ALL_ON;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
371 return KPD_PKEY_NULL;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
372 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
373
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
374
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
375 /*@}*/