FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gsm/dl/dl_sacch0.c @ 72:7bf39f5e834d
backlight control on Luna: switch PWL instead of LEDB
This change is preliminary toward upcoming rework of backlight control
logic in our UI firmware. LEDB does not exist on Tango-based platforms
(it is not brought out on Tango modules), thus turning it on and off
produces absolutely no effect beyond making L1 disable deep sleep
when LEDB is turned on. However, both iWOW DSK and our upcoming
FC Caramel2 boards have a PWL LED, so let's switch that LED on and off
to indicate the state of the UI firmware's backlight control.
Note that we are NOT switching the actual Luna LCD backlight here,
even though it is trivially controlled with a GPIO. The reason for
this seemingly strange choice is that we don't want to turn this
development board LCD backlight off until we bring the higher-level
backlight control logic up to par, including new logic to "swallow"
the first keypress that turns on the darkened LCD.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 24 Oct 2020 07:39:54 +0000 |
parents | fa8dc04885d8 |
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rev | line source |
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1
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : GSM-PS |
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4 | Modul : DL_SACCH0 |
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5 +----------------------------------------------------------------------------- |
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6 | Copyright 2002 Texas Instruments Berlin, AG |
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7 | All rights reserved. |
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8 | |
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9 | This file is confidential and a trade secret of Texas |
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10 | Instruments Berlin, AG |
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11 | The receipt of or possession of this file does not convey |
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12 | any rights to reproduce or disclose its contents or to |
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13 | manufacture, use, or sell anything it may describe, in |
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14 | whole, or in part, without the specific written consent of |
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15 | Texas Instruments Berlin, AG. |
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16 +----------------------------------------------------------------------------- |
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17 | Purpose : This Modul defines the functions for the slow associated |
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18 | control channel SACCH (only SAPI=0) of the component DL |
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19 +----------------------------------------------------------------------------- |
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20 */ |
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21 |
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22 #ifndef DL_SACCH0_C |
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23 #define DL_SACCH0_C |
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24 |
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25 #define ENTITY_DL |
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26 |
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27 /*==== INCLUDES ===================================================*/ |
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28 |
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29 #include "typedefs.h" |
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30 #include <string.h> |
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31 #include "pconst.cdg" |
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32 #include "vsi.h" |
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33 #include "custom.h" |
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34 #include "gsm.h" |
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35 #include "mon_dl.h" |
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36 #include "prim.h" |
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37 #include "pei.h" |
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38 #include "tok.h" |
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39 #include "ccdapi.h" |
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40 #include "dl.h" |
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41 #include "dl_trc.h" |
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42 |
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43 /*==== EXPORT =====================================================*/ |
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44 |
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45 /*==== PRIVAT =====================================================*/ |
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46 |
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47 /*==== VARIABLES ==================================================*/ |
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48 GLOBAL const T_FRAME meas_report_no_nc = |
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49 { |
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50 N201_SACCH*8, |
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51 24, |
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52 { |
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53 0x00, 0x00, 0x00, |
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54 0x06, 0x15, 0x1E, 0x1E, 0x7E, |
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55 0x00, 0x00, 0x00, 0x00, 0x00, |
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56 0x00, 0x00, 0x00, 0x00, 0x00, |
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57 0x00, 0x00, 0x00, 0x00, 0x00 |
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58 } |
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59 }; |
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60 LOCAL const T_FRAME meas_report_invalid = |
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61 { |
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62 N201_SACCH*8, |
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63 24, |
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64 { |
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65 0x00, 0x00, 0x00, |
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66 0x06, 0x15, 0x00, 0x40, 0x00, |
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67 0x00, 0x00, 0x00, 0x00, 0x00, |
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68 0x00, 0x00, 0x00, 0x00, 0x00, |
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69 0x00, 0x00, 0x00, 0x00, 0x00 |
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70 } |
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71 }; |
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72 |
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73 |
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74 /*==== FUNCTIONS ==================================================*/ |
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75 /* |
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76 +--------------------------------------------------------------------+ |
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77 | PROJECT : GSM-PS (6147) MODULE : DL_SACCH0 | |
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78 | STATE : code ROUTINE : sacch_init_dl_data | |
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79 +--------------------------------------------------------------------+ |
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80 |
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81 PURPOSE : Initialisation of SACCH data for an instance. |
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82 |
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83 */ |
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84 |
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85 GLOBAL void sacch0_init_dl_data (void) |
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86 { |
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87 GET_INSTANCE_DATA; |
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88 T_CCH *pcch = &dl_data->cch[C_SACCH0]; |
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89 TRACE_FUNCTION ("sacch_init_dl_data()"); |
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90 |
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91 memset (pcch, 0, sizeof (T_CCH)); |
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92 pcch->ch_type = L2_CHANNEL_SACCH; |
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93 |
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94 if (dl_data->dcch3_in_msg) |
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95 { |
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96 COM_FREE_POINTER (dl_data->dcch3_in_msg); |
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97 dl_data->dcch3_in_msg = NULL; |
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98 } |
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99 |
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100 sacch0_reset_meas (); |
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101 } |
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102 |
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103 /* |
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104 +--------------------------------------------------------------------+ |
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105 | PROJECT : GSM-PS (6147) MODULE : DL_SACCH0 | |
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106 | STATE : code ROUTINE : sacch0_reset_meas | |
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107 +--------------------------------------------------------------------+ |
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108 |
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109 PURPOSE : Reset measurement reports and sacch_mode. |
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110 |
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111 */ |
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112 |
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113 GLOBAL void sacch0_reset_meas (void) |
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114 { |
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115 GET_INSTANCE_DATA; |
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116 dl_data->sacch_act_buffer = meas_report_no_nc; |
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117 dl_data->sacch_last_buffer= meas_report_no_nc; |
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118 dl_data->sacch_mode = 2; |
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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 | PROJECT : GSM-PS (6147) MODULE : DL_SACCH0 | |
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124 | STATE : code ROUTINE : sacch_send_data | |
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125 +--------------------------------------------------------------------+ |
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126 |
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127 PURPOSE : Send unacknowledged data on SACCH, SAPI=0. |
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128 |
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129 */ |
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130 |
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131 GLOBAL void sacch0_send_data (void) |
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132 { |
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133 GET_INSTANCE_DATA; |
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134 TRACE_FUNCTION ("sacch_send_data()"); |
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135 |
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136 TRACE_EVENT_WIN_P2 ("SACCH0 MODE = %d, %s", dl_data->sacch_mode, |
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137 (dl_data->rr_short_pd_buffer.l_buf AND |
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138 dl_data->rr_short_pd_ch_type EQ L2_CHANNEL_SACCH) ? "RR short PD" : "normal"); |
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139 |
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140 if (dl_data->rr_short_pd_buffer.l_buf AND |
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141 dl_data->rr_short_pd_ch_type EQ L2_CHANNEL_SACCH) |
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142 { /* RR message with short PD, short L2 header type 1, format Bter */ |
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143 com_build_UI_Bter (L2_CHANNEL_SACCH); |
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144 } |
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145 else |
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146 { /* format A or B */ |
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147 if (dl_data->sacch_mode EQ 2) |
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148 { |
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149 com_build_UI_command (L2_CHANNEL_SACCH, PS_SAPI_0, &meas_report_invalid); |
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150 } |
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151 else |
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152 { |
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153 if (dl_data->dl_active EQ FALSE) |
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154 dl_data->sacch_last_buffer = dl_data->sacch_act_buffer; |
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155 |
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156 com_build_UI_command (L2_CHANNEL_SACCH, PS_SAPI_0, &dl_data->sacch_last_buffer); |
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157 } |
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158 if (dl_data->sacch_mode) |
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159 dl_data->sacch_mode--; |
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160 } |
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161 } |
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162 |
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163 #endif |
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164 |