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annotate gsm-fw/g23m-aci/uart/uart_dtxf.c @ 855:cbd91f807141

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gsm-fw/configs/gtamodem-gsm: feature at-modem added
author Space Falcon <falcon@ivan.Harhan.ORG>
date Thu, 30 Apr 2015 02:57:45 +0000
parents f54080301c98
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project :
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4 | Modul :
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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 UART and implements all
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18 | procedures and functions as described in the
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19 | SDL-documentation (DTX-statemachine)
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20 +-----------------------------------------------------------------------------
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21 */
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22
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23 #ifndef UART_DTXF_C
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24 #define UART_DTXF_C
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25 #endif /* !UART_DTXF_C */
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26
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27 #include "config.h"
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28 #include "fixedconf.h"
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29 #include "condat-features.h"
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30
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31 #define ENTITY_UART
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32
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33 /*==== INCLUDES =============================================================*/
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34
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35 #ifdef WIN32
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36 #include "nucleus.h"
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37 #endif /* WIN32 */
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38 #include "typedefs.h" /* to get Condat data types */
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39 #include "vsi.h" /* to get a lot of macros */
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40 #include "macdef.h" /* to get a lot of macros */
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41 #include "custom.h"
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42 #include "gsm.h" /* to get a lot of macros */
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43 #include "cnf_uart.h" /* to get cnf-definitions */
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44 #include "mon_uart.h" /* to get mon-definitions */
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45 #include "prim.h" /* to get the definitions of used SAP and directions */
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46 #include "dti.h" /* to get dti lib */
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47 #include "pei.h" /* to get PEI interface */
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48 #ifdef FF_MULTI_PORT
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49 #include "gsi.h" /* to get definitions of serial driver */
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50 #else /* FF_MULTI_PORT */
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51 #ifdef _TARGET_
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52 #include "../../serial/serialswitch.h"
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53 #include "../../serial/traceswitch.h"
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54 #else /* _TARGET_ */
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55 #include "serial_dat.h" /* to get definitions of serial driver */
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56 #endif /* _TARGET_ */
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57 #endif /* FF_MULTI_PORT */
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58 #include "uart.h" /* to get the global entity definitions */
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59
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60 /*==== CONST ================================================================*/
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61
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62 /*
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63 * names of escape sequence detection state machine
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64 */
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65 #ifdef _SIMULATION_
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66 char * uart_esd_state_names[] =
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67 {
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68 "UART_ESD_NULL",
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69 "UART_ESD_CHAR_1",
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70 "UART_ESD_CHAR_2",
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71 "UART_ESD_CHAR_3",
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72 "UART_ESD_DETECTED"
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73 };
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74 #endif /* _SIMULATION_ */
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75
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76 /*==== LOCAL VARS ===========================================================*/
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77
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78 /*==== PRIVATE FUNCTIONS ====================================================*/
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79
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80 /*==== PUBLIC FUNCTIONS =====================================================*/
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81
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82
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83
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84 /*
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85 +------------------------------------------------------------------------------
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86 | Function : dtx_get_esd_state
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87 +------------------------------------------------------------------------------
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88 | Description : This function returns the current state of the Escape Sequence
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89 | Detection.
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90 |
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91 | Parameters : none
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92 |
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93 | Return : ESD State
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94 |
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95 +------------------------------------------------------------------------------
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96 */
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97 GLOBAL T_ESD_STATE dtx_get_esd_state()
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98 {
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99 TRACE_FUNCTION ("dtx_get_esd_state");
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100
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101 #ifdef _SIMULATION_
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102 TRACE_EVENT_P1 ("esd_state is [%s]",
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103 uart_esd_state_names[uart_data->dtx->esd_state]);
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104 #endif /* _SIMULATION_ */
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105
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106 return uart_data->dtx->esd_state;
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107 } /* dtx_get_esd_state() */
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108
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109
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110
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111 /*
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112 +------------------------------------------------------------------------------
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113 | Function : dtx_set_esd_state
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114 +------------------------------------------------------------------------------
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115 | Description : This function sets the state of the Escape Sequence Detection.
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116 |
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117 | Parameters : new ESD State
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118 |
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119 | Return : none
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120 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
121 +------------------------------------------------------------------------------
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
122 */
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
123 GLOBAL void dtx_set_esd_state( T_ESD_STATE new_esd_state )
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
124 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
125 TRACE_FUNCTION ("dtx_set_esd_state");
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
126
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
127 #ifdef _SIMULATION_
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128 if(uart_data->dtx->esd_state != new_esd_state)
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diff changeset
129 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
130 TRACE_EVENT_P2 ("esd_state [%s] -> [%s]",
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
131 uart_esd_state_names[uart_data->dtx->esd_state],
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
132 uart_esd_state_names[new_esd_state]);
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diff changeset
133 uart_data->dtx->esd_state = new_esd_state;
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134 uart_data->dtx->esd_state_name = uart_esd_state_names[new_esd_state];
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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135 }
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
136 else
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
137 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
138 TRACE_EVENT_P1 ("esd_state remains [%s]",
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
139 uart_esd_state_names[uart_data->dtx->esd_state]);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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140 }
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
141 #else /* _SIMULATION_ */
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142 if(uart_data->dtx->esd_state != new_esd_state)
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diff changeset
143 uart_data->dtx->esd_state = new_esd_state;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
144 #endif /* _SIMULATION_ */
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145 } /* dtx_set_esd_state() */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
146
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
147
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
148
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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149 /*
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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150 +------------------------------------------------------------------------------
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151 | Function : dtx_init
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152 +------------------------------------------------------------------------------
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153 | Description : The function dtx_init() initializes the service DTX
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154 |
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155 | Parameters : none
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156 |
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157 +------------------------------------------------------------------------------
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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158 */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
159 GLOBAL void dtx_init ()
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160 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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161 USHORT i;
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162
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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163 TRACE_FUNCTION( "dtx_init" );
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164
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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165 for( i = 0; i < UART_MAX_NUMBER_OF_CHANNELS; i++ )
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166 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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167 /*
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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168 * select next instance of service DTX
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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169 */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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170 uart_data->dtx = &( uart_data->dtx_base[i] );
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171
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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172 /*
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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173 * initialize service specific variables
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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174 */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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175 uart_data->dtx->to_send_data = NULL;
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176 uart_data->dtx->cur_desc_size = 0;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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177 uart_data->dtx->write_pos = 0;
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178 uart_data->dtx->size_multiplier = 3;
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parents:
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179 uart_data->dtx->st_flow = DTI_FLOW_ON;
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180 uart_data->dtx->st_line_sa = DTI_SA_ON;
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181 uart_data->dtx->st_line_sb = DTI_SB_ON;
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182 uart_data->dtx->st_break_len = DTI_BREAK_OFF;
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diff changeset
183 uart_data->dtx->detect_escape = TRUE;
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parents:
diff changeset
184 uart_data->dtx->lines_changed = FALSE;
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parents:
diff changeset
185 uart_data->dtx->receiving_state = UART_DTX_NOT_RECEIVING;
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parents:
diff changeset
186 uart_data->dtx->data_flow = UART_FLOW_DISABLED;
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
187 dtx_set_esd_state( UART_ESD_NULL );
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parents:
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188 uart_data->dtx->esd_guard_time = 0;
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
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parents:
diff changeset
189 uart_data->dtx->esd_pos = 0;
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
190 uart_data->dtx->dti_dtx_state = DTI_CLOSED;
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
191
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
192 INIT_STATE( UART_SERVICE_DTX , DTX_DEAD );
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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193 }
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
194 } /* dtx_init() */
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
195
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
196
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
197
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
198 /*
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
199 +------------------------------------------------------------------------------
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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200 | Function : dtx_free_resources
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
201 +------------------------------------------------------------------------------
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
202 | Description : The function dtx_free_resources() frees the currently allocated
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
203 | resources of the service DTX.
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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204 |
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
205 | Parameters : none
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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206 |
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
207 +------------------------------------------------------------------------------
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
208 */
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
209 GLOBAL void dtx_free_resources ()
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
210 {
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
211 TRACE_FUNCTION( "dtx_free_resources()" );
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
212
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
213 /*
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
214 * free all resources
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
215 */
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
216 if(uart_data->dtx->to_send_data)
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
217 {
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
218 MFREE_DESC2( uart_data->dtx->to_send_data );
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
219 uart_data->dtx->to_send_data = NULL;
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
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220 }
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
221 uart_data->dtx->cur_desc_size = 0;
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
222 uart_data->dtx->write_pos = 0;
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parents:
diff changeset
223
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
224 } /* dtx_free_resources() */
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parents:
diff changeset
225
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
226 /*
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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227 +------------------------------------------------------------------------------
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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228 | Function : dtx_exit
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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229 +------------------------------------------------------------------------------
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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230 | Description : The function dtx_exit() frees the currently allocated
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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231 | resources of the service DTX.
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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232 |
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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233 | Parameters : none
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
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234 |
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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235 +------------------------------------------------------------------------------
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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236 */
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
237 GLOBAL void dtx_exit ()
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
238 {
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
239 ULONG i;
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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240
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241 TRACE_FUNCTION( "dtx_exit()" );
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242
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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243 /*
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
244 * free all resources
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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245 */
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diff changeset
246 if(uart_data->dtx->to_send_data)
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247 {
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diff changeset
248 MFREE_DESC2( uart_data->dtx->to_send_data );
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249 uart_data->dtx->to_send_data = NULL;
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250 }
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251 uart_data->dtx->cur_desc_size = 0;
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252 uart_data->dtx->write_pos = 0;
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253
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diff changeset
254 if(uart_data->ker.tx_data_waiting)
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255 {
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diff changeset
256 MFREE_DESC2(uart_data->ker.tx_data_waiting);
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257 uart_data->ker.tx_data_waiting = NULL;
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258 }
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diff changeset
259 for(i = 0; i < UART_MAX_NUMBER_OF_CHANNELS; i++)
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260 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
261 if(uart_data->dlc_table[i].transmit_data)
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262 {
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diff changeset
263 MFREE_DESC2(uart_data->dlc_table[i].transmit_data);
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264 uart_data->dlc_table[i].transmit_data = NULL;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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265 }
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266
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diff changeset
267 if(uart_data->dlc_table[i].receive_data)
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268 {
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269 MFREE_DESC2(uart_data->dlc_table[i].receive_data);
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270 uart_data->dlc_table[i].receive_data = NULL;
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271 }
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272 }
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273
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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274 } /* dtx_exit() */
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275
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276
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277 /*
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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278 +------------------------------------------------------------------------------
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279 | Function : dtx_allocate_resources
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280 +------------------------------------------------------------------------------
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281 | Description : The function dtx_allocate_resources() allocates a new set of
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282 | resources for the service DTX.
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283 |
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284 | Parameters : none
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285 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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286 +------------------------------------------------------------------------------
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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287 */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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288 GLOBAL void dtx_allocate_resources ()
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289 {
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290 TRACE_FUNCTION( "dtx_allocate_resources()" );
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291
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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292 /*
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293 * allocate a new descriptor
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294 * with a size of: size_multiplier * N1 (frame size)
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295 */
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296 uart_data->dtx->cur_desc_size = uart_data->n1 *
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parents:
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297 uart_data->dtx->size_multiplier;
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298 MALLOC(uart_data->dtx->to_send_data,
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parents:
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299 (USHORT)(sizeof(T_desc2) - 1 + uart_data->dtx->cur_desc_size));
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300 uart_data->dtx->to_send_data->len = 0;
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301 uart_data->dtx->to_send_data->size = 0;
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302 uart_data->dtx->to_send_data->offset = 0;
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parents:
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303 uart_data->dtx->to_send_data->next = (ULONG) NULL;
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304 uart_data->dtx->write_pos = 0;
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305 } /* dtx_allocate_resources() */
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306
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
307
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
308
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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309 /*
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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310 +------------------------------------------------------------------------------
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311 | Function : dtx_calculate_size_multiplier
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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312 +------------------------------------------------------------------------------
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parents:
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313 | Description : The function dtx_calculate_size_multiplier() calculates the new
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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314 | size_multiplier value.
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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315 |
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
316 | Parameters : desc_to_send - data descriptor that should be sent
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
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parents:
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317 | data_flow - state of data flow befor we want to sent
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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318 |
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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319 +------------------------------------------------------------------------------
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
320 */
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
321 GLOBAL void dtx_calculate_size_multiplier (T_desc2* desc_to_send,
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
322 T_DATA_FLOW_STATE data_flow)
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
323 {
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
324 TRACE_FUNCTION( "dtx_calculate_size_multiplier()" );
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
325
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
326 /*
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
327 * calculate new size multiplier according to fillrate of buffer
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
328 */
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
329 if((uart_data->dtx->size_multiplier < UART_DTX_MAX_SIZE_MULTIPLIER ) &&
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
330 (data_flow EQ UART_FLOW_DISABLED))
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
331 {
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
332 /*
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
333 * buffer is rather full, so increase the multiplier
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
334 */
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
335 #ifdef _SIMULATION_
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
336 TRACE_EVENT( " sig_rx_dtx_data_received_ind(): buffer size_multiplier increased " );
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
337 #endif /* _SIMULATION_ */
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
338 uart_data->dtx->size_multiplier++;
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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339 }
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
340 else if((uart_data->dtx->size_multiplier > 3) &&
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
341 (data_flow EQ UART_FLOW_ENABLED) &&
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
342 ((uart_data->dtx->cur_desc_size - desc_to_send->len) >
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
343 ((USHORT)uart_data->n1 << 1)))
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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344 {
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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345 /*
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
346 * buffer is rather empty, so decrease the multiplier
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
347 */
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
348 #ifdef _SIMULATION_
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
349 TRACE_EVENT( " sig_rx_dtx_data_received_ind(): buffer size_multiplier decreased " );
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
350 #endif /* _SIMULATION_ */
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
351 uart_data->dtx->size_multiplier--;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
352 }
eedbf248bac0 gsm-fw/g23m-aci subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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353 } /* dtx_calculate_size_multiplier() */