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comparison src/cs/layer1/gtt_include/l1gtt_varex.h @ 0:92470e5d0b9e

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src: partial import from FC Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 01:28:16 +0000
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-1:000000000000 0:92470e5d0b9e
1 /************* Revision Controle System Header *************
2 * GSM Layer 1 software
3 * L1GTT_VAREX.H
4 *
5 * Filename %M%
6 * Copyright 2003 (C) Texas Instruments
7 *
8 ************* Revision Controle System Header *************/
9
10
11 #if (L1_GTT == 1)
12
13 #ifdef L1GTT_ASYNC_C
14 // Every BUFFER are associated with a variable
15 T_TTY_FIFO_struct *TTY_FIFO_1;
16 T_TTY_FIFO_struct *TTY_FIFO_2;
17 T_TTY_FIFO_struct *TTY_FIFO_3;
18 T_TTY_FIFO_struct *TTY_FIFO_4;
19
20 /* state variables for CTM transmitter and CTM receiver,respectively */
21 tx_state_t tx_state;
22 rx_state_t rx_state;
23
24 /* State variables for the Baudot decoder and encoder,respectively. */
25 baudot_decode_state_t baudot_decode_state;
26 baudot_encode_state_t baudot_encode_state;
27
28
29 /* Define fifo state variables */
30 WORD16 baudotOutTTYCodeFifoLength = 50;
31 fifo_state_t baudotOutTTYCodeFifoState;
32 fifo_state_t signalFifoState;
33 fifo_state_t ctmOutTTYCodeFifoState;
34 fifo_state_t baudotToCtmFifoState;
35 fifo_state_t ctmToBaudotFifoState;
36
37 WORD16 cntFramesSinceBurstInit = 0;
38 WORD16 cntSamplesSinceLastBypassFromCTM = 0;
39 WORD16 cntTransmittedEnquiries = 0;
40 BOOL ctmFromFarEndDetected = false;
41 BOOL ctmCharacterTransmitted = false;
42 BOOL enquiryFromFarEndDetected = false;
43 BOOL ctmTransmitterIsIdle = true;
44 BOOL earlyMutingRequired = false;
45 BOOL transparentMode = false;
46
47 /* Used to keep track of time since last Enquiry burst.
48 * Currently 1 cycle == 120 ms */
49 WORD16 cyclesSinceLastEnquiryBurst = 0;
50
51 /* Stores the output from baudot encoder in downlink */
52 fifo_state_t baudotCodeFifoState;
53 /* Store the output from CTM transmitter in uplink */
54 fifo_state_t ctmCodeULFifoState;
55
56 WORD16 cntSamplesSinceEnquiryDetected = 0;
57
58 /* Shared global buffers between L1S and l1gtt_main_processing. */
59 fifo_state_t global_ul;
60 fifo_state_t global_dl;
61
62 int init_complete = 0;
63
64 /* Array containing silence data for muting uplink bypass path. */
65 WORD16 silence_data[]={0,0,0,0,0,0,0,0};
66
67 /* Global flag to indicate that uplink bypass path is to be muted */
68 int begin_ul_bypasspath_mute = 0;
69
70 /* Counter for keeping track of amount of silence written to DSP task 2. */
71 int silence_pad_time = 0;
72
73 #else
74 extern T_TTY_FIFO_struct *TTY_FIFO_1;
75 extern T_TTY_FIFO_struct *TTY_FIFO_2;
76 extern T_TTY_FIFO_struct *TTY_FIFO_3;
77 extern T_TTY_FIFO_struct *TTY_FIFO_4;
78 extern tx_state_t tx_state;
79 extern rx_state_t rx_state;
80 extern baudot_decode_state_t baudot_decode_state;
81 extern baudot_encode_state_t baudot_encode_state;
82 extern WORD16 baudotOutTTYCodeFifoLength;
83 extern fifo_state_t baudotOutTTYCodeFifoState;
84 extern fifo_state_t signalFifoState;
85 extern fifo_state_t ctmOutTTYCodeFifoState;
86 extern fifo_state_t baudotToCtmFifoState;
87 extern fifo_state_t ctmToBaudotFifoState;
88 extern WORD16 cntFramesSinceBurstInit;
89 extern WORD16 cntSamplesSinceLastBypassFromCTM;
90 extern WORD16 cntTransmittedEnquiries;
91 extern BOOL ctmFromFarEndDetected;
92 extern BOOL ctmCharacterTransmitted;
93 extern BOOL enquiryFromFarEndDetected;
94 extern BOOL ctmTransmitterIsIdle;
95 extern BOOL earlyMutingRequired;
96 extern BOOL transparentMode;
97 extern WORD16 cyclesSinceLastEnquiryBurst;
98 extern fifo_state_t baudotCodeFifoState;
99 extern fifo_state_t ctmCodeULFifoState;
100 extern WORD16 cntSamplesSinceEnquiryDetected;
101 extern fifo_state_t global_ul;
102 extern fifo_state_t global_dl;
103 extern int init_complete;
104 extern WORD16 silence_data[];
105 extern int begin_ul_bypasspath_mute;
106 extern int silence_pad_time;
107 #endif
108
109 #endif