FreeCalypso > hg > fc-magnetite

annotate src/cs/drivers/drv_app/buzzer/buzzer.c @ 549:69e52afc01d5

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configs/* except classic: rebuild tif_na7_db_{fl,ir} from source The purpose of this change is to allow a TRACEMASK_IN_FFS=1 setting given on the configure line to have effect; all configs except classic are included because this feature setting is orthogonal to the choice of G23M PS version and other config choices. (The classic config is an exception because its very purpose is to preserve a reference config with all of the original blobs.) Note that even though we are switching these TIF libraries from blobs to recompilation from source in all configs, our source for these libs compiles into a perfect match to the original blobs in the current default TRACEMASK_IN_FFS=0 configuration, hence there is no effective change beyond the unfortunate small increase in compilation times.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 18 Nov 2018 08:33:30 +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 }