annotate src/g23m-gprs/gmm/gmm_rdyf.c @ 680:ee3ac8c617cb

armio.c: set GPIO2 output high initially On TI-canonical platforms GPIO2 is DCD modem control output. In TI's original code the AI_InitIOConfig() function called from Init_Target() would configure GPIO2 as an output and set the initial output value to low, but then the init code in uartfax.c called from Init_Serial_Flows() would immediately change it to high, corresponding to DCD not asserted. The result is a momentary asserted-state glitch on the DCD output. The present change eliminates this glitch, setting DCD output to not-asserted initially like it should be.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 25 Jun 2020 03:17:43 +0000
parents 219afcfc6250
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : GPRS (8441)
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4 | Modul : gmm_rdyf.c
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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 is part of the entity GMM and implements all
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18 | procedures and functions as described in the
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19 | SDL-documentation (RDY-statemachine)
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20 +-----------------------------------------------------------------------------
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21 */
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22
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23 #ifndef GMM_RDYF_C
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24 #define GMM_RDYF_C
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25 #endif
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26
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27 #define ENTITY_GMM
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28
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29 /*==== INCLUDES =============================================================*/
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30 #include <stdio.h> /* to get Sprintf */
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31 #include "typedefs.h" /* to get Condat data types */
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32 #include "vsi.h" /* to get a lot of macros */
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33 #include "macdef.h"
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34 #include "gsm.h" /* to get a lot of macros */
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35 #include "ccdapi.h" /* to get CCD API */
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36 #include "cnf_gmm.h" /* to get cnf-definitions */
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37 #include "mon_gmm.h" /* to get mon-definitions */
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38 #include "prim.h" /* to get the definitions of used SAP and directions */
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39 #include "gmm.h" /* to get the global entity definitions */
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40
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41 /*==== CONST ================================================================*/
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42
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43 /*==== LOCAL VARS ===========================================================*/
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44
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45 /*==== PRIVATE FUNCTIONS ====================================================*/
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46
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47 /*==== PUBLIC FUNCTIONS =====================================================*/
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48
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49 /*
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50 +------------------------------------------------------------------------------
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51 | Function : rdy_cgrlc_ready_timer_config_req
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52 +------------------------------------------------------------------------------
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53 | Description : this procedure sends ready_timer value to CGRLC
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54 |
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55 | Parameters : ready_timer value
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56 |
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57 +------------------------------------------------------------------------------
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58 */
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59 GLOBAL void rdy_cgrlc_ready_timer_config_req (ULONG timer)
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60 {
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61 GMM_TRACE_FUNCTION( "rdy_cgrlc_ready_timer_config_req" );
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62
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63 TRACE_1_OUT_PARA ("ready_timer value: %x", timer);
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64
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65 {
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66 PALLOC ( cgrlc_ready_timer_config_req, CGRLC_READY_TIMER_CONFIG_REQ);
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67 cgrlc_ready_timer_config_req->t3314_val = timer;
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68 PSEND ( hCommGRLC, cgrlc_ready_timer_config_req );
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69 }
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70
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71 } /* rdy_cgrlc_ready_timer_config_req */
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72
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73
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74
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75 /*
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76 +------------------------------------------------------------------------------
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77 | Function : rdy_init
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78 +------------------------------------------------------------------------------
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79 | Description : The function rdy_init() ....
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80 |
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81 | Parameters : void
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82 |
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83 +------------------------------------------------------------------------------
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84 */
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85 GLOBAL void rdy_init ( void )
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86 {
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87 USHORT timer;
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88 TRACE_FUNCTION( "rdy_init" );
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89
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90 /*
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91 * Initialise service RDY with state RDY_READY.
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92 *
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93 * default the init state has to be IDLE, but i think we do not need IDLE state
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94 */
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95 INIT_STATE (RDY, RDY_STANDBY);
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96
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97 /*
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98 * Initialise the timers T3312 and T3314 with default values
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99 */
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100 gmm_data->rdy.t3312_val = T3312_VALUE;
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101 gmm_data->rdy.t3314_val = T3314_VALUE;
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102 gmm_data->rdy.t3312_deactivated = FALSE;
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103 gmm_data->rdy.attempting_to_update = FALSE;
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104 for (timer=0;timer<TIMER_MAX;timer++)
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105 {
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106 gmm_data->rdy.timer_value[timer] = 0;
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107 }
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108 vsi_t_stop ( GMM_handle, rdy_T3312);
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109 rdy_cgrlc_ready_timer_config_req (gmm_data->rdy.t3314_val);
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110 return;
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111 } /* rdy_init() */
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112
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113 /*
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114 +------------------------------------------------------------------------------
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115 | Function : rdy_get_timer
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116 +------------------------------------------------------------------------------
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117 | Description : this procedure sets the ready or rau timer value received
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118 | from the network
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119 |
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120 | Parameters : timer - the AIR message timer
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121 | returns: timer_val - the timer_value in ms
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122 |
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123 +------------------------------------------------------------------------------
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124 */
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125 GLOBAL ULONG rdy_get_timer ( T_rau_timer * timer )
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126 {
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127 GMM_TRACE_FUNCTION ("rdy_get_timer()");
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128
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129 switch ( timer->timer_unit )
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130 {
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131 case TIMER_2_SEC:
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132 GMM_RETURN_ (timer->timer_value * 2 * SEC);
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133 case TIMER_1_MIN:
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134 GMM_RETURN_ (timer->timer_value * 60 * SEC);
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135 case TIMER_1_DH:
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136 GMM_RETURN_ (timer->timer_value * 6 * 60 * SEC);
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137 default:
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138 GMM_RETURN_ (timer->timer_value * 60 * SEC);
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139 }
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140 } /* rdy_get_timer */
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141
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142 /*
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143 +------------------------------------------------------------------------------
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144 | Function : rdy_start_t3312
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145 +------------------------------------------------------------------------------
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146 | Description : this procedure starts the timer t3312 if it is not deactivated
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147 |
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148 | Parameters : void
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149 |
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150 +------------------------------------------------------------------------------
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151 */
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152 GLOBAL void rdy_start_t3312 ( void )
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153 {
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154 GMM_TRACE_FUNCTION ("rdy_start_t3312()");
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155
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156 if( !gmm_data->rdy.t3312_deactivated
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157 && !gmm_data->rdy.attempting_to_update)
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158 {
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159 TRACE_1_INFO ("Periodic RAU will be started in %d minutes",
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160 (int)(gmm_data->rdy.t3312_val/(60000.0)));
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161 vsi_t_start ( GMM_handle , rdy_T3312, gmm_data->rdy.t3312_val );
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162 }
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163 GMM_RETURN;
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164 } /* rdy_get_timer */