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comparison src/g23m-aci/uart/uart_drxp.c @ 162:53929b40109c

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src/g23m-aci: initial import from TCS3.2/LoCosto
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 11 Oct 2016 02:02:43 +0000
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161:4557e2a9c18e 162:53929b40109c
1 /*
2 +-----------------------------------------------------------------------------
3 | Project :
4 | Modul :
5 +-----------------------------------------------------------------------------
6 | Copyright 2002 Texas Instruments Berlin, AG
7 | All rights reserved.
8 |
9 | This file is confidential and a trade secret of Texas
10 | Instruments Berlin, AG
11 | The receipt of or possession of this file does not convey
12 | any rights to reproduce or disclose its contents or to
13 | manufacture, use, or sell anything it may describe, in
14 | whole, or in part, without the specific written consent of
15 | Texas Instruments Berlin, AG.
16 +-----------------------------------------------------------------------------
17 | Purpose : This modul is part of the entity UART and implements all
18 | functions to handles the incoming primitives as described in
19 | the SDL-documentation (DRX-statemachine)
20 +-----------------------------------------------------------------------------
21 */
22
23 #ifndef UART_DRXP_C
24 #define UART_DRXP_C
25 #endif /* !UART_DRXP_C */
26
27 #define ENTITY_UART
28
29 /*==== INCLUDES =============================================================*/
30
31 #ifdef WIN32
32 #include "nucleus.h"
33 #endif /* WIN32 */
34 #include "typedefs.h" /* to get Condat data types */
35 #include "vsi.h" /* to get a lot of macros */
36 #include "macdef.h" /* to get a lot of macros */
37 #include "custom.h"
38 #include "gsm.h" /* to get a lot of macros */
39 #include "cnf_uart.h" /* to get cnf-definitions */
40 #include "mon_uart.h" /* to get mon-definitions */
41 #include "prim.h" /* to get the definitions of used SAP and directions */
42 #include "dti.h" /* to get dti lib */
43 #include "pei.h" /* to get PEI interface */
44 #ifdef FF_MULTI_PORT
45 #include "gsi.h" /* to get definitions of serial driver */
46 #else /* FF_MULTI_PORT */
47 #ifdef _TARGET_
48 #include "uart/serialswitch.h"
49 #include "uart/traceswitch.h"
50 #else /* _TARGET_ */
51 #include "serial_dat.h" /* to get definitions of serial driver */
52 #endif /* _TARGET_ */
53 #endif /* FF_MULTI_PORT */
54 #include "uart.h" /* to get the global entity definitions */
55
56 #include "uart_kers.h" /* to get signal definitions for service KER */
57 #ifdef FF_MULTI_PORT
58 #include "uart_ptxs.h" /* to get signal definitions for service TX */
59 #else /* FF_MULTI_PORT */
60 #include "uart_txs.h" /* to get signal definitions for service TX */
61 #endif /* FF_MULTI_PORT */
62 #include "uart_drxf.h" /* to get function definitions for service DRX */
63
64 #ifdef _SIMULATION_
65 #include <stdio.h> /* to get sprintf */
66 #endif /* _SIMULATION_ */
67
68 /*==== CONST ================================================================*/
69
70 /*==== LOCAL VARS ===========================================================*/
71
72 /*==== PRIVATE FUNCTIONS ====================================================*/
73
74 /*==== PUBLIC FUNCTIONS =====================================================*/
75
76
77
78 /*
79 +------------------------------------------------------------------------------
80 | Function : sig_dti_drx_data_received_ind
81 +------------------------------------------------------------------------------
82 | Description : Handles the DTILIB callback call DTI_REASON_DATA_RECEIVED
83 | This signal means that data has been received on a dti
84 | connection.
85 |
86 | Parameter : dti_data2_ind
87 |
88 +------------------------------------------------------------------------------
89 */
90 GLOBAL void sig_dti_drx_data_received_ind(T_DTI2_DATA_IND *dti_data2_ind)
91 {
92 T_desc2* temp_desc1;
93 T_desc2* temp_desc2;
94
95 TRACE_FUNCTION( "drx_dti_data_req" );
96
97 #ifdef UART_RANGE_CHECK
98 if(dti_data2_ind EQ NULL)
99 {
100 TRACE_EVENT("ERROR: dti_data2_ind is NULL");
101 }
102 else if((*((ULONG*)((UBYTE*)dti_data2_ind - sizeof(T_PRIM_HEADER) - 8))) NEQ 0)
103 {
104 TRACE_EVENT_P1("ERROR: dti_data2_ind=%08x is not allocated",
105 dti_data2_ind);
106 }
107 else
108 {
109 T_desc2* range_desc;
110 USHORT range_sum;
111 if((dti_data2_ind->parameters.st_lines.st_flow NEQ DTI_FLOW_ON) &&
112 (dti_data2_ind->parameters.st_lines.st_flow NEQ DTI_FLOW_OFF))
113 {
114 TRACE_EVENT_P1("ERROR: st_flow=%d is invalid",
115 dti_data2_ind->parameters.st_lines.st_flow);
116 }
117 if((dti_data2_ind->parameters.st_lines.st_line_sa NEQ DTI_SA_ON) &&
118 (dti_data2_ind->parameters.st_lines.st_line_sa NEQ DTI_SA_OFF))
119 {
120 TRACE_EVENT_P1("ERROR: st_line_sa=%d is invalid",
121 dti_data2_ind->parameters.st_lines.st_line_sa);
122 }
123 if((dti_data2_ind->parameters.st_lines.st_line_sb NEQ DTI_SB_ON) &&
124 (dti_data2_ind->parameters.st_lines.st_line_sb NEQ DTI_SB_OFF))
125 {
126 TRACE_EVENT_P1("ERROR: st_line_sb=%d is invalid",
127 dti_data2_ind->parameters.st_lines.st_line_sb);
128 }
129 range_desc = (T_desc2*)(dti_data2_ind->desc_list2.first);
130 range_sum = 0;
131 while((range_desc) &&
132 ((*((ULONG*)((UBYTE*)range_desc - 8))) EQ 0))
133 {
134 range_sum += range_desc->len;
135 range_desc = (T_desc2*)(range_desc->next);
136 }
137 if(range_desc)
138 {
139 TRACE_EVENT_P1("ERROR: data descriptor (%08x) not allocated",
140 range_desc);
141 }
142 else if(range_sum NEQ dti_data_req->desc_list2.list_len)
143 {
144 TRACE_EVENT_P2("ERROR: datalength=%d NEQ list_len=%d",
145 range_sum,
146 dti_data2_ind->desc_list2.list_len);
147 }
148 }
149 #endif /* UART_RANGE_CHECK */
150
151 switch( GET_STATE( UART_SERVICE_DRX ) )
152 {
153 case DRX_READY:
154 SET_STATE( UART_SERVICE_DRX, DRX_NOT_READY );
155 dti_stop(
156 uart_hDTI,
157 uart_data->device,
158 UART_DTI_UP_INTERFACE,
159 uart_data->drx->dlc_instance
160 );
161 /*
162 * store data descriptor
163 */
164 temp_desc1 = (T_desc2*)(dti_data2_ind->desc_list2.first);
165 while((temp_desc1) &&
166 (temp_desc1->len EQ 0))
167 {
168 temp_desc2 = (T_desc2*)temp_desc1->next;
169 MFREE(temp_desc1);
170 temp_desc1 = temp_desc2;
171 }
172 uart_data->drx->received_data = temp_desc1;
173 uart_data->drx->read_pos = 0;
174
175 /*
176 * inform kernel about line states
177 */
178 sig_drx_ker_line_states_ind(uart_data->drx->dlc_instance,
179 dti_data2_ind->parameters.st_lines.st_flow,
180 dti_data2_ind->parameters.st_lines.st_line_sa,
181 dti_data2_ind->parameters.st_lines.st_line_sb,
182 dti_data2_ind->parameters.st_lines.st_break_len);
183 /*
184 * check if service can send data to peer
185 */
186 if(uart_data->drx->data_flow EQ UART_FLOW_ENABLED)
187 {
188 /*
189 * yes, now if there is data to send, do it
190 */
191 if(uart_data->drx->received_data)
192 {
193 sig_drx_tx_data_available_ind( uart_data->drx->dlc_instance,
194 uart_data->drx->received_data,
195 uart_data->drx->read_pos );
196 }
197 else
198 {
199 /*
200 * no data to send, do positive flow control towards upper layer
201 */
202 SET_STATE( UART_SERVICE_DRX, DRX_READY );
203 dti_start(
204 uart_hDTI,
205 uart_data->device,
206 UART_DTI_UP_INTERFACE,
207 uart_data->drx->dlc_instance
208 );
209 }
210 }
211 break;
212
213 default:
214 TRACE_ERROR( "DTI_DATA2_IND unexpected" );
215 /*
216 * since the descriptor will not be sent, free it
217 */
218 MFREE_DESC2( dti_data2_ind->desc_list2.first );
219 break;
220 }
221
222 /*
223 * free primitive (freeing of descriptors has been done before if necessary)
224 */
225 PFREE( dti_data2_ind );
226 } /* sig_dti_drx_data_received_ind() */