annotate src/g23m-aci/uart/uart_dtxf.c @ 238:8f16e0663737

create_RVtasks.c: start FCBM
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 02 May 2021 04:36:25 +0000
parents fa8dc04885d8
children
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1
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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 #define ENTITY_UART
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28
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29 /*==== INCLUDES =============================================================*/
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30
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31 #ifdef WIN32
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32 #include "nucleus.h"
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33 #endif /* WIN32 */
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34 #include "typedefs.h" /* to get Condat data types */
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35 #include "vsi.h" /* to get a lot of macros */
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36 #include "macdef.h" /* to get a lot of macros */
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37 #include "custom.h"
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38 #include "gsm.h" /* to get a lot of macros */
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39 #include "cnf_uart.h" /* to get cnf-definitions */
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40 #include "mon_uart.h" /* to get mon-definitions */
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41 #include "prim.h" /* to get the definitions of used SAP and directions */
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42 #include "dti.h" /* to get dti lib */
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43 #include "pei.h" /* to get PEI interface */
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44 #ifdef FF_MULTI_PORT
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45 #include "gsi.h" /* to get definitions of serial driver */
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46 #else /* FF_MULTI_PORT */
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47 #ifdef _TARGET_
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48 #include "uart/serialswitch.h"
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49 #include "uart/traceswitch.h"
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50 #else /* _TARGET_ */
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51 #include "serial_dat.h" /* to get definitions of serial driver */
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52 #endif /* _TARGET_ */
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53 #endif /* FF_MULTI_PORT */
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54 #include "uart.h" /* to get the global entity definitions */
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55
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56 /*==== CONST ================================================================*/
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57
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58 /*
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59 * names of escape sequence detection state machine
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60 */
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61 #ifdef _SIMULATION_
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62 char * uart_esd_state_names[] =
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63 {
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64 "UART_ESD_NULL",
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65 "UART_ESD_CHAR_1",
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66 "UART_ESD_CHAR_2",
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67 "UART_ESD_CHAR_3",
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68 "UART_ESD_DETECTED"
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69 };
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70 #endif /* _SIMULATION_ */
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71
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72 /*==== LOCAL VARS ===========================================================*/
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73
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74 /*==== PRIVATE FUNCTIONS ====================================================*/
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75
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76 /*==== PUBLIC FUNCTIONS =====================================================*/
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77
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78
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79
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80 /*
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81 +------------------------------------------------------------------------------
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82 | Function : dtx_get_esd_state
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83 +------------------------------------------------------------------------------
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84 | Description : This function returns the current state of the Escape Sequence
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85 | Detection.
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86 |
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87 | Parameters : none
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88 |
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89 | Return : ESD State
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90 |
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91 +------------------------------------------------------------------------------
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92 */
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93 GLOBAL T_ESD_STATE dtx_get_esd_state()
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94 {
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95 TRACE_FUNCTION ("dtx_get_esd_state");
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96
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97 #ifdef _SIMULATION_
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98 TRACE_EVENT_P1 ("esd_state is [%s]",
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99 uart_esd_state_names[uart_data->dtx->esd_state]);
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100 #endif /* _SIMULATION_ */
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101
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102 return uart_data->dtx->esd_state;
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103 } /* dtx_get_esd_state() */
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104
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105
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106
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107 /*
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108 +------------------------------------------------------------------------------
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109 | Function : dtx_set_esd_state
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110 +------------------------------------------------------------------------------
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111 | Description : This function sets the state of the Escape Sequence Detection.
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112 |
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113 | Parameters : new ESD State
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114 |
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115 | Return : none
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116 |
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117 +------------------------------------------------------------------------------
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118 */
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119 GLOBAL void dtx_set_esd_state( T_ESD_STATE new_esd_state )
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120 {
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121 TRACE_FUNCTION ("dtx_set_esd_state");
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122
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123 #ifdef _SIMULATION_
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124 if(uart_data->dtx->esd_state != new_esd_state)
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125 {
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126 TRACE_EVENT_P2 ("esd_state [%s] -> [%s]",
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127 uart_esd_state_names[uart_data->dtx->esd_state],
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128 uart_esd_state_names[new_esd_state]);
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129 uart_data->dtx->esd_state = new_esd_state;
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130 uart_data->dtx->esd_state_name = uart_esd_state_names[new_esd_state];
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131 }
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132 else
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133 {
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134 TRACE_EVENT_P1 ("esd_state remains [%s]",
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diff changeset
135 uart_esd_state_names[uart_data->dtx->esd_state]);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 #else /* _SIMULATION_ */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 if(uart_data->dtx->esd_state != new_esd_state)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 uart_data->dtx->esd_state = new_esd_state;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 #endif /* _SIMULATION_ */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 } /* dtx_set_esd_state() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 | Function : dtx_init
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 | Description : The function dtx_init() initializes the service DTX
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 | Parameters : none
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 GLOBAL void dtx_init ()
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 USHORT i;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 TRACE_FUNCTION( "dtx_init" );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 for( i = 0; i < UART_MAX_NUMBER_OF_CHANNELS; i++ )
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 * select next instance of service DTX
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 uart_data->dtx = &( uart_data->dtx_base[i] );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 * initialize service specific variables
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 uart_data->dtx->to_send_data = NULL;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 uart_data->dtx->cur_desc_size = 0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 uart_data->dtx->write_pos = 0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 uart_data->dtx->size_multiplier = 3;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 uart_data->dtx->st_flow = DTI_FLOW_ON;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 uart_data->dtx->st_line_sa = DTI_SA_ON;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 uart_data->dtx->st_line_sb = DTI_SB_ON;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 uart_data->dtx->st_break_len = DTI_BREAK_OFF;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 uart_data->dtx->detect_escape = TRUE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 uart_data->dtx->lines_changed = FALSE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 uart_data->dtx->receiving_state = UART_DTX_NOT_RECEIVING;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 uart_data->dtx->data_flow = UART_FLOW_DISABLED;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 dtx_set_esd_state( UART_ESD_NULL );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 uart_data->dtx->esd_guard_time = 0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 uart_data->dtx->esd_pos = 0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 uart_data->dtx->dti_dtx_state = DTI_CLOSED;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 INIT_STATE( UART_SERVICE_DTX , DTX_DEAD );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 } /* dtx_init() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 | Function : dtx_free_resources
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 | Description : The function dtx_free_resources() frees the currently allocated
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 | resources of the service DTX.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 | Parameters : none
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 GLOBAL void dtx_free_resources ()
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 TRACE_FUNCTION( "dtx_free_resources()" );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 * free all resources
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 if(uart_data->dtx->to_send_data)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 MFREE_DESC2( uart_data->dtx->to_send_data );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 uart_data->dtx->to_send_data = NULL;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 uart_data->dtx->cur_desc_size = 0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 uart_data->dtx->write_pos = 0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 } /* dtx_free_resources() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 | Function : dtx_exit
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 | Description : The function dtx_exit() frees the currently allocated
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 | resources of the service DTX.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 | Parameters : none
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 GLOBAL void dtx_exit ()
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 ULONG i;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 TRACE_FUNCTION( "dtx_exit()" );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 * free all resources
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 if(uart_data->dtx->to_send_data)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 MFREE_DESC2( uart_data->dtx->to_send_data );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 uart_data->dtx->to_send_data = NULL;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 uart_data->dtx->cur_desc_size = 0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 uart_data->dtx->write_pos = 0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 if(uart_data->ker.tx_data_waiting)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 MFREE_DESC2(uart_data->ker.tx_data_waiting);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 uart_data->ker.tx_data_waiting = NULL;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 for(i = 0; i < UART_MAX_NUMBER_OF_CHANNELS; i++)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 if(uart_data->dlc_table[i].transmit_data)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 MFREE_DESC2(uart_data->dlc_table[i].transmit_data);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 uart_data->dlc_table[i].transmit_data = NULL;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 if(uart_data->dlc_table[i].receive_data)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 MFREE_DESC2(uart_data->dlc_table[i].receive_data);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 uart_data->dlc_table[i].receive_data = NULL;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270 } /* dtx_exit() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271
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272
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273 /*
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274 +------------------------------------------------------------------------------
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275 | Function : dtx_allocate_resources
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276 +------------------------------------------------------------------------------
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277 | Description : The function dtx_allocate_resources() allocates a new set of
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278 | resources for the service DTX.
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279 |
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280 | Parameters : none
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281 |
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282 +------------------------------------------------------------------------------
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283 */
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284 GLOBAL void dtx_allocate_resources ()
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285 {
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286 TRACE_FUNCTION( "dtx_allocate_resources()" );
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287
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288 /*
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289 * allocate a new descriptor
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290 * with a size of: size_multiplier * N1 (frame size)
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291 */
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292 uart_data->dtx->cur_desc_size = uart_data->n1 *
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293 uart_data->dtx->size_multiplier;
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294 MALLOC(uart_data->dtx->to_send_data,
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295 (USHORT)(sizeof(T_desc2) - 1 + uart_data->dtx->cur_desc_size));
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296 uart_data->dtx->to_send_data->len = 0;
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297 uart_data->dtx->to_send_data->size = 0;
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298 uart_data->dtx->to_send_data->offset = 0;
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299 uart_data->dtx->to_send_data->next = (ULONG) NULL;
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300 uart_data->dtx->write_pos = 0;
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301 } /* dtx_allocate_resources() */
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302
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303
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304
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305 /*
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306 +------------------------------------------------------------------------------
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307 | Function : dtx_calculate_size_multiplier
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308 +------------------------------------------------------------------------------
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309 | Description : The function dtx_calculate_size_multiplier() calculates the new
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310 | size_multiplier value.
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311 |
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312 | Parameters : desc_to_send - data descriptor that should be sent
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313 | data_flow - state of data flow befor we want to sent
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314 |
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315 +------------------------------------------------------------------------------
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316 */
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317 GLOBAL void dtx_calculate_size_multiplier (T_desc2* desc_to_send,
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318 T_DATA_FLOW_STATE data_flow)
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319 {
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320 TRACE_FUNCTION( "dtx_calculate_size_multiplier()" );
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321
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322 /*
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323 * calculate new size multiplier according to fillrate of buffer
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Mychaela Falconia <falcon@freecalypso.org>
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324 */
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Mychaela Falconia <falcon@freecalypso.org>
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325 if((uart_data->dtx->size_multiplier < UART_DTX_MAX_SIZE_MULTIPLIER ) &&
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326 (data_flow EQ UART_FLOW_DISABLED))
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parents:
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327 {
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parents:
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328 /*
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329 * buffer is rather full, so increase the multiplier
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Mychaela Falconia <falcon@freecalypso.org>
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330 */
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Mychaela Falconia <falcon@freecalypso.org>
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331 #ifdef _SIMULATION_
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332 TRACE_EVENT( " sig_rx_dtx_data_received_ind(): buffer size_multiplier increased " );
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333 #endif /* _SIMULATION_ */
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334 uart_data->dtx->size_multiplier++;
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parents:
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335 }
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parents:
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336 else if((uart_data->dtx->size_multiplier > 3) &&
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337 (data_flow EQ UART_FLOW_ENABLED) &&
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parents:
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338 ((uart_data->dtx->cur_desc_size - desc_to_send->len) >
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339 ((USHORT)uart_data->n1 << 1)))
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parents:
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340 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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341 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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342 * buffer is rather empty, so decrease the multiplier
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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343 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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344 #ifdef _SIMULATION_
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Mychaela Falconia <falcon@freecalypso.org>
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345 TRACE_EVENT( " sig_rx_dtx_data_received_ind(): buffer size_multiplier decreased " );
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parents:
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346 #endif /* _SIMULATION_ */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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347 uart_data->dtx->size_multiplier--;
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parents:
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348 }
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Mychaela Falconia <falcon@freecalypso.org>
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349 } /* dtx_calculate_size_multiplier() */