FreeCalypso > hg > fc-magnetite

annotate src/cs/drivers/drv_app/buzzer/buzzer.c @ 662:8cd8fd15a095

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SIM speed enhancement re-enabled and made configurable TI's original code supported SIM speed enhancement, but Openmoko had it disabled, and OM's disabling of speed enhancement somehow caused certain SIM cards to start working which didn't work before (OM's bug #666). Because our FC community is much smaller in year 2020 than OM's community was in their day, we are not able to find one of those #666-affected SIMs, thus the real issue they had encountered remains elusive. Thus our solution is to re-enable SIM speed enhancement and simply wait for if and when someone runs into a #666-affected SIM once again. We provide a SIM_allow_speed_enhancement global variable that allows SIM speed enhancement to be enabled or disabled per session, and an /etc/SIM_spenh file in FFS that allows it to enabled or disabled on a non-volatile basis. SIM speed enhancement is now enabled by default.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 May 2020 05:02:28 +0000
parents 945cf7f506b2
children
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945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
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1 /*
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2 * BUZZER.C
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3 *
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4 * Buzzer driver
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5 *
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6 * Target : ARM
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7 *
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8 * Copyright (c) Texas Instruments 2000
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9 *
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10 */
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11
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12
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13 #include "main/sys_types.h"
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14 #include "memif/mem.h"
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15 #include "armio/armio.h"
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16 #include "buzzer.h"
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17 #include "timer/timer.h"
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18
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19 #include "board.cfg"
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20
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21 /*
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22 * Initialize buzzer
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23 *
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24 */
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25 void BZ_Init(void)
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26 {
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27 }
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28
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29 /*
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30 * BZ_Enable / BZ_Disable
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31 *
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32 * Enable / disable buzzer
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33 *
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34 * The buzzer uses timer 1
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35 */
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36 void BZ_Enable(void)
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37 {
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38 *((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) |= BZ_ON;
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39 }
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40
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41 void BZ_Disable(void)
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42 {
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43 *((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) &= ~BZ_ON;
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44 }
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45
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46 /*
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47 * BZ_Tone
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48 *
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49 * Changes the timer count to set the tone frequency in Hz
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50 *
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51 * 58 ticks= 1 ms, which give a frequency of 500 Hz
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52 *
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53 *
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54 */
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55 void BZ_Tone(int f)
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56 {
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57 if (f > 255)
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58 {
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59 f = 255;
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60 }
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61 *((volatile SYS_UWORD16 *) ARMIO_LOAD_TIM) = f;
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62 }
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63
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64 /*
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65 * BZ_Volume
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66 *
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67 * Changes the buzzer volume
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68 *
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69 */
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70 void BZ_Volume(int v)
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71 {
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72 // the level range is 0 up to 63
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73 if (v > 63)
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74 {
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75 v = 63;
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76 }
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77 *((volatile SYS_UWORD16 *) BZ_LEVEL) = v;
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78 }
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79
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80 /*
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81 * BZ_KeyBeep_ON
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82 *
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83 * Audio feedback to user after keybeep
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84 *
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85 */
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86 void BZ_KeyBeep_ON(void)
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87 {
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88 volatile int i;
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89
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90 BZ_Init ();
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91 BZ_Volume (255);
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92 BZ_Enable ();
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93 BZ_Tone (50);
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94
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95 for (i = 0; i < 17000; i++)
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96 ;
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97
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98 BZ_Disable ();
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99 }
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100
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101
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102
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103 /*
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104 * BZ_KeyBeep_OFF
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105 *
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106 * Audio feedback to user after keybeep
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107 *
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108 */
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109 void BZ_KeyBeep_OFF(void)
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110 {
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111 volatile int i;
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112
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113 BZ_Init ();
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114 BZ_Volume (255);
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115 BZ_Enable ();
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116 BZ_Tone (100);
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117
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118 for (i = 0; i < 17000; i++)
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119 ;
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120
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121 BZ_Disable ();
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122 }
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123
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124
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125
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126 /*
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127 * LT_Enable / LT_Disable
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128 *
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129 * Enable / disable LCD lighting
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130 *
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131 */
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132 void LT_Enable(void)
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133 {
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134 #if (BOARD == 7 || BOARD == 8 || BOARD == 9)
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135 *((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) |= LT_ON;
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136 #endif
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137 }
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138 void LT_Disable(void)
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139 {
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140 #if (BOARD == 7 || BOARD == 8 || BOARD == 9)
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141 *((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) &= ~LT_ON;
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142 #endif
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143 }
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144
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145
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146 /*
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147 * LT_Level
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148 *
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149 * Set LCD display level
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150 */
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151 void LT_Level(SYS_WORD8 level)
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152 {
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153 if (level > 63) level=63;
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154
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155 // the level range is 0 up to 63
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156 *((volatile SYS_UWORD16 *) LT_LEVEL) = level;
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157 }
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158
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159
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160 /*
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161 * LT_Status
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162 *
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163 * Return lighting status for sleep manager
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164 *
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165 */
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166 SYS_BOOL LT_Status(void)
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167 {
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168 #if (BOARD == 7 || BOARD == 8 || BOARD == 9)
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169 if (*((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) & LT_ON)
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170 return(1); // the light is on
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171 else
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172 return(0);
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173 #endif
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174
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175 return(0);
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176
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177 }