annotate src/g23m-aci/uart/uart_dtxf.c @ 46:559a8b3ef10b

FFS code: first attempt at non-invasive gcc support
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 19 Jul 2018 00:35:33 +0000
parents d393cd9bb723
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 +-----------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 | Project :
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 | Modul :
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 +-----------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 | Copyright 2002 Texas Instruments Berlin, AG
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 | All rights reserved.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 | This file is confidential and a trade secret of Texas
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 | Instruments Berlin, AG
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 | The receipt of or possession of this file does not convey
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 | any rights to reproduce or disclose its contents or to
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 | manufacture, use, or sell anything it may describe, in
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 | whole, or in part, without the specific written consent of
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 | Texas Instruments Berlin, AG.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 +-----------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 | Purpose : This modul is part of the entity UART and implements all
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 | procedures and functions as described in the
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 | SDL-documentation (DTX-statemachine)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 +-----------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 #ifndef UART_DTXF_C
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 #define UART_DTXF_C
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 #endif /* !UART_DTXF_C */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 #define ENTITY_UART
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 /*==== INCLUDES =============================================================*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 #ifdef WIN32
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 #include "nucleus.h"
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 #endif /* WIN32 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 #include "typedefs.h" /* to get Condat data types */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 #include "vsi.h" /* to get a lot of macros */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 #include "macdef.h" /* to get a lot of macros */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 #include "custom.h"
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 #include "gsm.h" /* to get a lot of macros */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 #include "cnf_uart.h" /* to get cnf-definitions */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 #include "mon_uart.h" /* to get mon-definitions */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 #include "prim.h" /* to get the definitions of used SAP and directions */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 #include "dti.h" /* to get dti lib */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 #include "pei.h" /* to get PEI interface */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 #ifdef FF_MULTI_PORT
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 #include "gsi.h" /* to get definitions of serial driver */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 #else /* FF_MULTI_PORT */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 #ifdef _TARGET_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 #include "uart/serialswitch.h"
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 #include "uart/traceswitch.h"
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 #else /* _TARGET_ */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 #include "serial_dat.h" /* to get definitions of serial driver */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 #endif /* _TARGET_ */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 #endif /* FF_MULTI_PORT */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 #include "uart.h" /* to get the global entity definitions */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 /*==== CONST ================================================================*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 * names of escape sequence detection state machine
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 #ifdef _SIMULATION_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 char * uart_esd_state_names[] =
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 "UART_ESD_NULL",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 "UART_ESD_CHAR_1",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 "UART_ESD_CHAR_2",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 "UART_ESD_CHAR_3",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 "UART_ESD_DETECTED"
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 };
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 #endif /* _SIMULATION_ */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 /*==== LOCAL VARS ===========================================================*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 /*==== PRIVATE FUNCTIONS ====================================================*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 /*==== PUBLIC FUNCTIONS =====================================================*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 | Function : dtx_get_esd_state
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 | Description : This function returns the current state of the Escape Sequence
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 | Detection.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 | Parameters : none
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 | Return : ESD State
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 GLOBAL T_ESD_STATE dtx_get_esd_state()
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 TRACE_FUNCTION ("dtx_get_esd_state");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 #ifdef _SIMULATION_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 TRACE_EVENT_P1 ("esd_state is [%s]",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 uart_esd_state_names[uart_data->dtx->esd_state]);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 #endif /* _SIMULATION_ */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 return uart_data->dtx->esd_state;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 } /* dtx_get_esd_state() */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 | Function : dtx_set_esd_state
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 | Description : This function sets the state of the Escape Sequence Detection.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 | Parameters : new ESD State
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 | Return : none
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 GLOBAL void dtx_set_esd_state( T_ESD_STATE new_esd_state )
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 TRACE_FUNCTION ("dtx_set_esd_state");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 #ifdef _SIMULATION_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 if(uart_data->dtx->esd_state != new_esd_state)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 TRACE_EVENT_P2 ("esd_state [%s] -> [%s]",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 uart_esd_state_names[uart_data->dtx->esd_state],
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 uart_esd_state_names[new_esd_state]);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 uart_data->dtx->esd_state = new_esd_state;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 uart_data->dtx->esd_state_name = uart_esd_state_names[new_esd_state];
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 else
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 TRACE_EVENT_P1 ("esd_state remains [%s]",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 uart_esd_state_names[uart_data->dtx->esd_state]);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 #else /* _SIMULATION_ */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 if(uart_data->dtx->esd_state != new_esd_state)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 uart_data->dtx->esd_state = new_esd_state;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 #endif /* _SIMULATION_ */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 } /* dtx_set_esd_state() */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 | Function : dtx_init
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 | Description : The function dtx_init() initializes the service DTX
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 | Parameters : none
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 GLOBAL void dtx_init ()
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 USHORT i;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 TRACE_FUNCTION( "dtx_init" );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 for( i = 0; i < UART_MAX_NUMBER_OF_CHANNELS; i++ )
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 * select next instance of service DTX
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 uart_data->dtx = &( uart_data->dtx_base[i] );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 * initialize service specific variables
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 uart_data->dtx->to_send_data = NULL;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 uart_data->dtx->cur_desc_size = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 uart_data->dtx->write_pos = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 uart_data->dtx->size_multiplier = 3;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 uart_data->dtx->st_flow = DTI_FLOW_ON;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 uart_data->dtx->st_line_sa = DTI_SA_ON;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 uart_data->dtx->st_line_sb = DTI_SB_ON;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 uart_data->dtx->st_break_len = DTI_BREAK_OFF;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 uart_data->dtx->detect_escape = TRUE;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 uart_data->dtx->lines_changed = FALSE;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 uart_data->dtx->receiving_state = UART_DTX_NOT_RECEIVING;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 uart_data->dtx->data_flow = UART_FLOW_DISABLED;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 dtx_set_esd_state( UART_ESD_NULL );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 uart_data->dtx->esd_guard_time = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 uart_data->dtx->esd_pos = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 uart_data->dtx->dti_dtx_state = DTI_CLOSED;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 INIT_STATE( UART_SERVICE_DTX , DTX_DEAD );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 } /* dtx_init() */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 | Function : dtx_free_resources
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 | Description : The function dtx_free_resources() frees the currently allocated
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 | resources of the service DTX.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 | Parameters : none
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 GLOBAL void dtx_free_resources ()
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 TRACE_FUNCTION( "dtx_free_resources()" );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 * free all resources
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 if(uart_data->dtx->to_send_data)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 MFREE_DESC2( uart_data->dtx->to_send_data );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 uart_data->dtx->to_send_data = NULL;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 uart_data->dtx->cur_desc_size = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 uart_data->dtx->write_pos = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 } /* dtx_free_resources() */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 | Function : dtx_exit
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 | Description : The function dtx_exit() frees the currently allocated
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 | resources of the service DTX.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 | Parameters : none
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 GLOBAL void dtx_exit ()
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 ULONG i;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 TRACE_FUNCTION( "dtx_exit()" );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 * free all resources
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 if(uart_data->dtx->to_send_data)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 MFREE_DESC2( uart_data->dtx->to_send_data );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 uart_data->dtx->to_send_data = NULL;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 uart_data->dtx->cur_desc_size = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 uart_data->dtx->write_pos = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 if(uart_data->ker.tx_data_waiting)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 MFREE_DESC2(uart_data->ker.tx_data_waiting);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 uart_data->ker.tx_data_waiting = NULL;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 for(i = 0; i < UART_MAX_NUMBER_OF_CHANNELS; i++)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 if(uart_data->dlc_table[i].transmit_data)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 MFREE_DESC2(uart_data->dlc_table[i].transmit_data);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 uart_data->dlc_table[i].transmit_data = NULL;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 if(uart_data->dlc_table[i].receive_data)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 MFREE_DESC2(uart_data->dlc_table[i].receive_data);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 uart_data->dlc_table[i].receive_data = NULL;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270 } /* dtx_exit() */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
274 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
275 | Function : dtx_allocate_resources
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
277 | Description : The function dtx_allocate_resources() allocates a new set of
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
278 | resources for the service DTX.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 | Parameters : none
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
283 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284 GLOBAL void dtx_allocate_resources ()
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
286 TRACE_FUNCTION( "dtx_allocate_resources()" );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
288 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
289 * allocate a new descriptor
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
290 * with a size of: size_multiplier * N1 (frame size)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
291 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
292 uart_data->dtx->cur_desc_size = uart_data->n1 *
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
293 uart_data->dtx->size_multiplier;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
294 MALLOC(uart_data->dtx->to_send_data,
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
295 (USHORT)(sizeof(T_desc2) - 1 + uart_data->dtx->cur_desc_size));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
296 uart_data->dtx->to_send_data->len = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
297 uart_data->dtx->to_send_data->size = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
298 uart_data->dtx->to_send_data->offset = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
299 uart_data->dtx->to_send_data->next = (ULONG) NULL;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300 uart_data->dtx->write_pos = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
301 } /* dtx_allocate_resources() */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
302
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
303
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
304
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
305 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
306 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
307 | Function : dtx_calculate_size_multiplier
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309 | Description : The function dtx_calculate_size_multiplier() calculates the new
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
310 | size_multiplier value.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
311 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
312 | Parameters : desc_to_send - data descriptor that should be sent
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
313 | data_flow - state of data flow befor we want to sent
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
314 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
315 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
316 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
317 GLOBAL void dtx_calculate_size_multiplier (T_desc2* desc_to_send,
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
318 T_DATA_FLOW_STATE data_flow)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
319 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
320 TRACE_FUNCTION( "dtx_calculate_size_multiplier()" );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
321
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
322 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
323 * calculate new size multiplier according to fillrate of buffer
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
324 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
325 if((uart_data->dtx->size_multiplier < UART_DTX_MAX_SIZE_MULTIPLIER ) &&
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
326 (data_flow EQ UART_FLOW_DISABLED))
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
327 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
328 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
329 * buffer is rather full, so increase the multiplier
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
330 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
331 #ifdef _SIMULATION_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332 TRACE_EVENT( " sig_rx_dtx_data_received_ind(): buffer size_multiplier increased " );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
333 #endif /* _SIMULATION_ */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334 uart_data->dtx->size_multiplier++;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
335 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
336 else if((uart_data->dtx->size_multiplier > 3) &&
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
337 (data_flow EQ UART_FLOW_ENABLED) &&
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
338 ((uart_data->dtx->cur_desc_size - desc_to_send->len) >
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
339 ((USHORT)uart_data->n1 << 1)))
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
340 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
342 * buffer is rather empty, so decrease the multiplier
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
343 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
344 #ifdef _SIMULATION_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
345 TRACE_EVENT( " sig_rx_dtx_data_received_ind(): buffer size_multiplier decreased " );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
346 #endif /* _SIMULATION_ */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
347 uart_data->dtx->size_multiplier--;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
348 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349 } /* dtx_calculate_size_multiplier() */