FreeCalypso > hg > fc-tourmaline
annotate src/cs/layer1/gtt_include/ctm/ctm_transmitter.h @ 51:04aaa5622fa7
disable deep sleep when Iota LEDB is on
TI's Iota chip docs say that CLK13M must be running in order for
LEDB to work, and practical experience on Mot C139 which uses
Iota LEDB for its keypad backlight concurs: if Calypso enters
deep sleep while the keypad backlight is turned on, the light
flickers visibly as the chipset goes into and out of deep sleep.
TI's original L1 sleep manager code had logic to disable deep sleep
when LT_Status() returns nonzero, but that function only works
for B-Sample and C-Sample LT, always returns 0 on BOARD 41 - no
check of Iota LEDB status anywhere. Change this code for our
current hardware: disable deep sleep when Iota LEDB has been
turned on through LLS.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 19 Oct 2020 05:11:29 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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1 /* |
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2 ******************************************************************************* |
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3 * |
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4 * COPYRIGHT (C) 2000 BY ERICSSON EUROLAB DEUTSCHLAND GmbH |
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5 * 90411 NUERNBERG, GERMANY, Tel Int + 49 911 5217 100 |
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6 * |
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7 * The program(s) may be used and/or copied only with the |
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8 * written permission from Ericsson or in accordance |
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9 * with the terms and conditions stipulated in the agreement or |
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10 * contract under which the program(s) have been supplied. |
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11 * |
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12 ******************************************************************************* |
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13 * |
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14 * File : ctm_transmitter.h |
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15 * Author : EEDN/RV Matthias Doerbecker |
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16 * Tested Platforms : Sun Solaris, Windows NT 4.0 |
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17 * Description : header file for ctm_transmitter.c |
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18 * |
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19 * Changes since October 13, 2000: |
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20 * - added reset function reset_ctm_transmitter() |
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21 * |
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22 * $Log: $ |
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23 * |
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24 ******************************************************************************* |
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25 */ |
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26 #ifndef ctm_transmitter_h |
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27 #define ctm_transmitter_h "$Id: $" |
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28 |
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29 /* |
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30 ******************************************************************************* |
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31 * INCLUDE FILES |
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32 ******************************************************************************* |
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33 */ |
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34 |
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35 #include "ctm_typedefs.h" |
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36 #include "ctm_defines.h" |
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37 #include "init_interleaver.h" |
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38 #include "tonemod.h" |
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39 #include "conv_poly.h" |
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40 #include "fifo.h" |
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41 |
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42 /* ******************************************************************/ |
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43 /* Type definitions for variables that contain all states of the */ |
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44 /* CTM Transmitter */ |
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45 /* ******************************************************************/ |
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46 |
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47 typedef struct { |
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48 BOOL burstActive; |
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49 WORD16 cntIdleSymbols; |
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50 WORD16 cntEncBitsInCurrentBlock; |
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51 WORD16 cntTXBitsInCurrentBlock; |
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52 |
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53 /* vectors (not to be allocated) */ |
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54 WORD16 resync_sequence[RESYNC_SEQ_LENGTH]; |
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55 |
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56 #if (NUM_MUTE_ROWS>0) |
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57 WORD16 mutePositions[intlvB*NUM_MUTE_ROWS]; |
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58 #else |
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59 WORD16 mutePositions[1]; |
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60 #endif |
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61 |
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62 fifo_state_t fifo_state; |
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63 fifo_state_t octet_fifo_state; |
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64 interleaver_state_t diag_int_state; |
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65 conv_encoder_t conv_enc_state; |
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66 } tx_state_t; |
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67 |
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68 |
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69 |
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70 /***********************************************************************/ |
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71 /* init_ctm_transmitter() */ |
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72 /* ********************** */ |
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73 /* Initialization of the CTM Transmitter */ |
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74 /* */ |
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75 /* output vaiables: */ |
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76 /* tx_state : pointer to a variable of tx_state_t containing the */ |
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77 /* initialized states of the receiver */ |
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78 /***********************************************************************/ |
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79 |
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80 void init_ctm_transmitter(tx_state_t* tx_state); |
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81 /* |
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82 *********************************************************************** |
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83 * Shutdown_ctm_transmitter() * |
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84 * ********************** * |
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85 * Shutdown of the Cellular Text Telephone Modem transmitter and * |
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86 * deallocate memory used by the CTM Tx buffers. * |
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87 * * |
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88 * Input variables: * |
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89 * tx_state : pointer to a variable of tx_state_t containing the * |
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90 * initialized states of the transmitter. * |
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91 *********************************************************************** |
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92 */ |
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93 void Shutdown_ctm_transmitter(tx_state_t* tx_state); |
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94 |
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95 /* |
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96 *********************************************************************** |
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97 * reset_ctm_transmitter() * |
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98 * ********************** * |
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99 * Reset of the Cellular Text Telephone Modem transmitter, state * |
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100 * machines and buffer pointers. * |
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101 * * |
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102 * Input variables: * |
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103 * tx_state : pointer to a variable of tx_state_t containing the * |
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104 * initialized states of the transmitter. * |
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105 *********************************************************************** |
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106 */ |
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107 void reset_ctm_transmitter(tx_state_t* tx_state); |
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108 |
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109 |
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110 /***********************************************************************/ |
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111 /* ctm_transmitter() */ |
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112 /* ***************** */ |
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113 /* Runs the Cellular Text Telephone Modem (CTM) Transmitter for a */ |
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114 /* block of 160 output samples, representing 8 gross bits. */ |
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115 /* The bits, which are modulated into tones, are taken from an */ |
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116 /* internal fifo buffer. If the fifo buffer is empty, zero-valued */ |
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117 /* samples are generated. The fifo buffer is filled with */ |
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118 /* channel-encoded and interlaeved bits, which are generated */ |
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119 /* internally by coding the actual input character. With each call of */ |
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120 /* this function one or less input characters can be coded. If there */ |
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121 /* is no character to for transmission, one of the following code has */ |
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122 /* be used: */ |
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123 /* - 0xFFFF: indicates that there is no character to transmit and */ |
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124 /* that the transmitter should stay in idle mode, if it is */ |
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parents:
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125 /* currently already in idle mode. If the transmitter is */ |
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parents:
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126 /* NOT in idle mode, it might generate <IDLE> symbols in */ |
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127 /* to keep an active burst running. The CTM burst is */ |
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128 /* terminated if five <IDLE> symbols have been generated */ |
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129 /* consecutevely. */ |
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130 /* */ |
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parents:
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131 /* - 0xFFFE: although there is no character to transmit, a CTM burst */ |
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parents:
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132 /* is initiated in order to signalize to the far-end side */ |
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133 /* that CTM is supported. The burst starts with the <IDLE> */ |
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parents:
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134 /* symbol and will be contiued with <IDLE> symbols if there */ |
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parents:
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135 /* are no regular characters handed over during the next */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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136 /* calls of this function. The CTM burst is terminated if */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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137 /* five <IDLE> symbols have been transmitted consecutevely. */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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138 /* */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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139 /* In order to avoid an overflow of the internal fifo buffer, the */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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140 /* variable *ptrNumBitsStillToModulate should be checked before */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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141 /* calling this function. */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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142 /* */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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143 /* input variables: */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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144 /* ucsCode UCS code of the character */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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145 /* or one of the codes 0xFFFF or 0xFFFE */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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146 /* sineOutput must be false in regular mode; if true, */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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147 /* a pure sine output signal is generated */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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148 /* output variables: */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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149 /* txToneVec output signal (vector of 160 samples) */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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150 /* input/output variables: */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
151 /* tx_state pointer to the variable containing the */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
152 /* transmitter states */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
153 /***********************************************************************/ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
154 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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155 void ctm_transmitter(UWORD16 ucsCode, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
156 fifo_state_t* ctmCodeOutputVec, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
157 tx_state_t* tx_state ); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
158 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
159 #endif |