1 | /*
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2 | io_serial.c
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3 | Serial port input/output functions
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4 |
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5 | This file is part of the Unix driver for Towitoko smartcard readers
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6 | Copyright (C) 2000 2001 Carlos Prados <cprados@yahoo.com>
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7 |
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8 | This version is modified by doz21 to work in a special manner ;)
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9 |
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10 | This library is free software; you can redistribute it and/or
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11 | modify it under the terms of the GNU Lesser General Public
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12 | License as published by the Free Software Foundation; either
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13 | version 2 of the License, or (at your option) any later version.
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14 |
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15 | This library is distributed in the hope that it will be useful,
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16 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 | Lesser General Public License for more details.
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19 |
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20 | You should have received a copy of the GNU Lesser General Public
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21 | License along with this library; if not, write to the Free Software
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22 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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23 | */
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24 |
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25 | #include "defines.h"
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26 | #include "../globals.h"
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27 | #include <stdio.h>
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28 | #include <string.h>
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29 | #include <stdlib.h>
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30 | #include <errno.h>
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31 | #ifdef OS_HPUX
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32 | #include <sys/modem.h>
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33 | #endif
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34 | #include <termios.h>
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35 | #include <unistd.h>
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36 | #include <sys/stat.h>
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37 | #include <fcntl.h>
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38 | #ifdef HAVE_POLL
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39 | #include <sys/poll.h>
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40 | #else
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41 | #include <sys/signal.h>
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42 | #include <sys/types.h>
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43 | #endif
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44 | #include <sys/time.h>
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45 | #include <sys/ioctl.h>
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46 | #include <time.h>
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47 | #include "io_serial.h"
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48 | #include "mc_global.h"
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49 |
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50 | #ifdef OS_LINUX
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51 | #include <linux/serial.h>
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52 | #endif
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53 |
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54 | #define IO_SERIAL_FILENAME_LENGTH 32
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55 |
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56 | /*
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57 | * Internal functions declaration
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58 | */
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59 |
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60 | static int IO_Serial_Bitrate(int bitrate);
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61 |
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62 | static bool IO_Serial_WaitToRead (unsigned delay_ms, unsigned timeout_ms);
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63 |
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64 | static bool IO_Serial_WaitToWrite (unsigned delay_ms, unsigned timeout_ms);
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65 |
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66 | static bool IO_Serial_InitPnP (IO_Serial * io);
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67 |
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68 | static void IO_Serial_Clear (IO_Serial * io);
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69 |
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70 | static int _in_echo_read = 0;
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71 | int io_serial_need_dummy_char = 0;
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72 |
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73 | extern int fdmc;
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74 |
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75 | #if defined(TUXBOX) && defined(PPC)
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76 | void IO_Serial_Ioctl_Lock(int flag)
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77 | {
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78 | extern int *oscam_sem;
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79 | if ((reader[ridx].typ != R_DB2COM1) && (reader[ridx].typ != R_DB2COM2)) return;
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80 | if (!flag)
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81 | *oscam_sem=0;
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82 | else while (*oscam_sem!=reader[ridx].typ)
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83 | {
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84 | while (*oscam_sem)
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85 | usleep((reader[ridx].typ)*2000); //FIXME is this right ?!?!
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86 | *oscam_sem=reader[ridx].typ;
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87 | usleep(1000);
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88 | }
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89 | }
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90 |
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91 | static bool IO_Serial_DTR_RTS_dbox2(int mcport, int dtr, int set)
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92 | {
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93 | int rc;
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94 | unsigned short msr;
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95 | unsigned int mbit;
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96 | unsigned short rts_bits[2]={ 0x10, 0x800};
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97 | unsigned short dtr_bits[2]={0x100, 0};
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98 |
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99 | #ifdef DEBUG_IO
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100 | printf("IO: multicam.o %s %s\n", dtr ? "dtr" : "rts", set ? "set" : "clear"); fflush(stdout);
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101 | #endif
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102 | if ((rc=ioctl(fdmc, GET_PCDAT, &msr))>=0)
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103 | {
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104 | if (dtr) // DTR
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105 | {
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106 | if (dtr_bits[mcport])
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107 | {
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108 | if (set)
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109 | msr&=(unsigned short)(~dtr_bits[mcport]);
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110 | else
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111 | msr|=dtr_bits[mcport];
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112 | rc=ioctl(fdmc, SET_PCDAT, &msr);
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113 | }
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114 | else
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115 | rc=0; // Dummy, can't handle using multicam.o
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116 | }
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117 | else // RTS
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118 | {
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119 | if (set)
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120 | msr&=(unsigned short)(~rts_bits[mcport]);
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121 | else
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122 | msr|=rts_bits[mcport];
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123 | rc=ioctl(fdmc, SET_PCDAT, &msr);
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124 | }
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125 | }
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126 | return((rc<0) ? FALSE : TRUE);
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127 | }
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128 | #endif
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129 |
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130 | bool IO_Serial_DTR_RTS(int dtr, int set)
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131 | {
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132 | unsigned int msr;
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133 | unsigned int mbit;
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134 |
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135 | #if defined(TUXBOX) && defined(PPC)
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136 | if ((reader[ridx].typ == R_DB2COM1) || (reader[ridx].typ == R_DB2COM2))
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137 | return(IO_Serial_DTR_RTS_dbox2(reader[ridx].typ == R_DB2COM2, dtr, set));
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138 | #endif
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139 |
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140 | mbit=(dtr) ? TIOCM_DTR : TIOCM_RTS;
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141 | #if defined(TIOCMBIS) && defined(TIOBMBIC)
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142 | if (ioctl (reader[ridx].handle, set ? TIOCMBIS : TIOCMBIC, &mbit) < 0)
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143 | return FALSE;
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144 | #else
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145 | if (ioctl(reader[ridx].handle, TIOCMGET, &msr) < 0)
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146 | return FALSE;
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147 | if (set)
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148 | msr|=mbit;
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149 | else
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150 | msr&=~mbit;
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151 | return((ioctl(reader[ridx].handle, TIOCMSET, &msr)<0) ? FALSE : TRUE);
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152 | #endif
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153 | }
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154 |
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155 | /*
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156 | * Public functions definition
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157 | */
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158 |
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159 | IO_Serial * IO_Serial_New (int mhz, int cardmhz)
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160 | {
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161 | IO_Serial *io;
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162 |
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163 | io = (IO_Serial *) malloc (sizeof (IO_Serial));
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164 |
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165 | if (io != NULL)
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166 | IO_Serial_Clear (io);
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167 |
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168 | return io;
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169 | }
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170 |
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171 | bool IO_Serial_Init (IO_Serial * io, int reader_type)
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172 | {
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173 | if (reader[ridx].typ != reader_type)
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174 | IO_Serial_InitPnP (io);
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175 |
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176 | if(reader[ridx].typ != reader_type)
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177 | IO_Serial_Flush();
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178 |
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179 | return TRUE;
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180 | }
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181 |
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182 | bool IO_Serial_GetPropertiesOld (IO_Serial * io)
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183 | {
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184 | struct termios currtio;
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185 | speed_t i_speed, o_speed;
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186 | unsigned int mctl;
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187 |
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188 | #ifdef SCI_DEV
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189 | if(reader[ridx].typ == R_INTERNAL)
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190 | return FALSE;
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191 | #endif
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192 |
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193 | if (io->input_bitrate != 0 && io->output_bitrate != 0) //properties are already filled
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194 | return TRUE;
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195 |
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196 | if (tcgetattr (reader[ridx].handle, &currtio) != 0)
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197 | return FALSE;
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198 |
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199 | o_speed = cfgetospeed (&currtio);
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200 |
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201 | switch (o_speed)
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202 | {
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203 | #ifdef B0
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204 | case B0:
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205 | io->output_bitrate = 0;
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206 | break;
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207 | #endif
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208 | #ifdef B50
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209 | case B50:
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210 | io->output_bitrate = 50;
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211 | break;
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212 | #endif
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213 | #ifdef B75
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214 | case B75:
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215 | io->output_bitrate = 75;
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216 | break;
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217 | #endif
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218 | #ifdef B110
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219 | case B110:
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220 | io->output_bitrate = 110;
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221 | break;
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222 | #endif
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223 | #ifdef B134
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224 | case B134:
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225 | io->output_bitrate = 134;
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226 | break;
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227 | #endif
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228 | #ifdef B150
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229 | case B150:
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230 | io->output_bitrate = 150;
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231 | break;
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232 | #endif
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233 | #ifdef B200
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234 | case B200:
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235 | io->output_bitrate = 200;
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236 | break;
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237 | #endif
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238 | #ifdef B300
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239 | case B300:
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240 | io->output_bitrate = 300;
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241 | break;
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242 | #endif
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243 | #ifdef B600
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244 | case B600:
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245 | io->output_bitrate = 600;
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246 | break;
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247 | #endif
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248 | #ifdef B1200
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249 | case B1200:
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250 | io->output_bitrate = 1200;
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251 | break;
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252 | #endif
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253 | #ifdef B1800
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254 | case B1800:
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255 | io->output_bitrate = 1800;
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256 | break;
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257 | #endif
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258 | #ifdef B2400
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259 | case B2400:
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260 | io->output_bitrate = 2400;
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261 | break;
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262 | #endif
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263 | #ifdef B4800
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264 | case B4800:
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265 | io->output_bitrate = 4800;
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266 | break;
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267 | #endif
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268 | #ifdef B9600
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269 | case B9600:
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270 | io->output_bitrate = 9600;
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271 | break;
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272 | #endif
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273 | #ifdef B19200
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274 | case B19200:
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275 | io->output_bitrate = 19200;
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276 | break;
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277 | #endif
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278 | #ifdef B38400
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279 | case B38400:
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280 | io->output_bitrate = 38400;
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281 | break;
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282 | #endif
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283 | #ifdef B57600
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284 | case B57600:
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285 | io->output_bitrate = 57600;
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286 | break;
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287 | #endif
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288 | #ifdef B115200
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289 | case B115200:
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290 | io->output_bitrate = 115200;
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291 | break;
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292 | #endif
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293 | #ifdef B230400
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294 | case B230400:
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295 | io->output_bitrate = 230400;
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296 | break;
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297 | #endif
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298 | default:
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299 | io->output_bitrate = 1200;
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300 | break;
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301 | }
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302 |
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303 | i_speed = cfgetispeed (&currtio);
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304 |
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305 | switch (i_speed)
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306 | {
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307 | #ifdef B0
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308 | case B0:
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309 | io->input_bitrate = 0;
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310 | break;
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311 | #endif
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312 | #ifdef B50
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313 | case B50:
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314 | io->input_bitrate = 50;
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315 | break;
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316 | #endif
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317 | #ifdef B75
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318 | case B75:
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319 | io->input_bitrate = 75;
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320 | break;
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321 | #endif
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322 | #ifdef B110
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323 | case B110:
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324 | io->input_bitrate = 110;
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325 | break;
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326 | #endif
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327 | #ifdef B134
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328 | case B134:
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329 | io->input_bitrate = 134;
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330 | break;
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331 | #endif
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332 | #ifdef B150
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333 | case B150:
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334 | io->input_bitrate = 150;
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335 | break;
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336 | #endif
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337 | #ifdef B200
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338 | case B200:
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339 | io->input_bitrate = 200;
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340 | break;
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341 | #endif
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342 | #ifdef B300
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343 | case B300:
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344 | io->input_bitrate = 300;
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345 | break;
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346 | #endif
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347 | #ifdef B600
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348 | case B600:
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349 | io->input_bitrate = 600;
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350 | break;
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351 | #endif
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352 | #ifdef B1200
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353 | case B1200:
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354 | io->input_bitrate = 1200;
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355 | break;
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356 | #endif
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357 | #ifdef B1800
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358 | case B1800:
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359 | io->input_bitrate = 1800;
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360 | break;
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361 | #endif
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362 | #ifdef B2400
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363 | case B2400:
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364 | io->input_bitrate = 2400;
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365 | break;
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366 | #endif
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367 | #ifdef B4800
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368 | case B4800:
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369 | io->input_bitrate = 4800;
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370 | break;
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371 | #endif
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372 | #ifdef B9600
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373 | case B9600:
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374 | io->input_bitrate = 9600;
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375 | break;
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376 | #endif
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377 | #ifdef B19200
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378 | case B19200:
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379 | io->input_bitrate = 19200;
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380 | break;
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381 | #endif
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382 | #ifdef B38400
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383 | case B38400:
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384 | io->input_bitrate = 38400;
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385 | break;
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386 | #endif
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387 | #ifdef B57600
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388 | case B57600:
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389 | io->input_bitrate = 57600;
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390 | break;
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391 | #endif
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392 | #ifdef B115200
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393 | case B115200:
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394 | io->input_bitrate = 115200;
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395 | break;
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396 | #endif
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397 | #ifdef B230400
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398 | case B230400:
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399 | io->input_bitrate = 230400;
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400 | break;
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401 | #endif
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402 | default:
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403 | io->input_bitrate = 1200;
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404 | break;
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405 | }
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406 |
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407 | switch (currtio.c_cflag & CSIZE)
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408 | {
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409 | case CS5:
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410 | io->bits = 5;
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411 | break;
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412 | case CS6:
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413 | io->bits = 6;
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414 | break;
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415 | case CS7:
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416 | io->bits = 7;
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417 | break;
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418 | case CS8:
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419 | io->bits = 8;
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420 | break;
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421 | }
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422 |
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423 | if (((currtio.c_cflag) & PARENB) == PARENB)
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424 | {
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425 | if (((currtio.c_cflag) & PARODD) == PARODD)
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426 | io->parity = PARITY_ODD;
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427 | else
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428 | io->parity = PARITY_EVEN;
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429 | }
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430 | else
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431 | {
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432 | io->parity = PARITY_NONE;
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433 | }
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434 |
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435 | if (((currtio.c_cflag) & CSTOPB) == CSTOPB)
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436 | io->stopbits = 2;
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437 | else
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438 | io->stopbits = 1;
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439 |
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440 | if (ioctl (reader[ridx].handle, TIOCMGET, &mctl) < 0)
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441 | return FALSE;
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442 |
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443 | io->dtr = ((mctl & TIOCM_DTR) ? IO_SERIAL_HIGH : IO_SERIAL_LOW);
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444 | io->rts = ((mctl & TIOCM_RTS) ? IO_SERIAL_HIGH : IO_SERIAL_LOW);
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445 |
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446 | #ifdef DEBUG_IO
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447 | printf("IO: Getting properties: %ld bps; %d bits/byte; %s parity; %d stopbits; dtr=%d; rts=%d\n", io->input_bitrate, io->bits, io->parity == PARITY_EVEN ? "Even" : io->parity == PARITY_ODD ? "Odd" : "None", io->stopbits, io->dtr, io->rts);
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448 | #endif
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449 |
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450 | return TRUE;
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451 | }
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452 |
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453 | bool IO_Serial_SetPropertiesOld (IO_Serial * io)
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454 | {
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455 | struct termios newtio;
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456 |
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457 | #ifdef SCI_DEV
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458 | if(reader[ridx].typ == R_INTERNAL)
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459 | return FALSE;
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460 | #endif
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461 |
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462 | // printf("IO: Setting properties: reader_type%d, %ld bps; %d bits/byte; %s parity; %d stopbits; dtr=%d; rts=%d\n", reader[ridx].typ, io->input_bitrate, io->bits, io->parity == PARITY_EVEN ? "Even" : io->parity == PARITY_ODD ? "Odd" : "None", io->stopbits, io->dtr, io->rts);
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463 | memset (&newtio, 0, sizeof (newtio));
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464 |
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465 |
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466 | /* Set the bitrate */
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467 | #ifdef OS_LINUX
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468 | if (reader[ridx].mhz == reader[ridx].cardmhz)
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469 | #endif
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470 | { //no overclocking
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471 | cfsetospeed(&newtio, IO_Serial_Bitrate(io->output_bitrate));
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472 | cfsetispeed(&newtio, IO_Serial_Bitrate(io->input_bitrate));
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473 | cs_debug("standard baudrate: cardmhz=%d mhz=%d -> effective baudrate %lu", reader[ridx].cardmhz, reader[ridx].mhz, io->output_bitrate);
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474 | }
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475 | #ifdef OS_LINUX
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476 | else { //over or underclocking
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477 | /* these structures are only available on linux as fas as we know so limit this code to OS_LINUX */
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478 | struct serial_struct nuts;
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479 | ioctl(reader[ridx].handle, TIOCGSERIAL, &nuts);
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480 | int custom_baud = io->output_bitrate * reader[ridx].mhz / reader[ridx].cardmhz;
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481 | nuts.custom_divisor = (nuts.baud_base + (custom_baud/2))/ custom_baud;
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482 | cs_debug("custom baudrate: cardmhz=%d mhz=%d custom_baud=%d baud_base=%d divisor=%d -> effective baudrate %d",
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483 | reader[ridx].cardmhz, reader[ridx].mhz, custom_baud, nuts.baud_base, nuts.custom_divisor, nuts.baud_base/nuts.custom_divisor);
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484 | nuts.flags &= ~ASYNC_SPD_MASK;
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485 | nuts.flags |= ASYNC_SPD_CUST;
|
---|
486 | ioctl(reader[ridx].handle, TIOCSSERIAL, &nuts);
|
---|
487 | cfsetospeed(&newtio, IO_Serial_Bitrate(38400));
|
---|
488 | cfsetispeed(&newtio, IO_Serial_Bitrate(38400));
|
---|
489 | }
|
---|
490 | #endif
|
---|
491 |
|
---|
492 | /* Set the character size */
|
---|
493 | switch (io->bits)
|
---|
494 | {
|
---|
495 | case 5:
|
---|
496 | newtio.c_cflag |= CS5;
|
---|
497 | break;
|
---|
498 |
|
---|
499 | case 6:
|
---|
500 | newtio.c_cflag |= CS6;
|
---|
501 | break;
|
---|
502 |
|
---|
503 | case 7:
|
---|
504 | newtio.c_cflag |= CS7;
|
---|
505 | break;
|
---|
506 |
|
---|
507 | case 8:
|
---|
508 | newtio.c_cflag |= CS8;
|
---|
509 | break;
|
---|
510 | }
|
---|
511 |
|
---|
512 | /* Set the parity */
|
---|
513 | switch (io->parity)
|
---|
514 | {
|
---|
515 | case PARITY_ODD:
|
---|
516 | newtio.c_cflag |= PARENB;
|
---|
517 | newtio.c_cflag |= PARODD;
|
---|
518 | break;
|
---|
519 |
|
---|
520 | case PARITY_EVEN:
|
---|
521 | newtio.c_cflag |= PARENB;
|
---|
522 | newtio.c_cflag &= ~PARODD;
|
---|
523 | break;
|
---|
524 |
|
---|
525 | case PARITY_NONE:
|
---|
526 | newtio.c_cflag &= ~PARENB;
|
---|
527 | break;
|
---|
528 | }
|
---|
529 |
|
---|
530 | /* Set the number of stop bits */
|
---|
531 | switch (io->stopbits)
|
---|
532 | {
|
---|
533 | case 1:
|
---|
534 | newtio.c_cflag &= (~CSTOPB);
|
---|
535 | break;
|
---|
536 | case 2:
|
---|
537 | newtio.c_cflag |= CSTOPB;
|
---|
538 | break;
|
---|
539 | }
|
---|
540 |
|
---|
541 | /* Selects raw (non-canonical) input and output */
|
---|
542 | newtio.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
|
---|
543 | newtio.c_oflag &= ~OPOST;
|
---|
544 | #if 1
|
---|
545 | newtio.c_iflag |= IGNPAR;
|
---|
546 | /* Ignore parity errors!!! Windows driver does so why shouldn't I? */
|
---|
547 | #endif
|
---|
548 | /* Enable receiber, hang on close, ignore control line */
|
---|
549 | newtio.c_cflag |= CREAD | HUPCL | CLOCAL;
|
---|
550 |
|
---|
551 | /* Read 1 byte minimun, no timeout specified */
|
---|
552 | newtio.c_cc[VMIN] = 1;
|
---|
553 | newtio.c_cc[VTIME] = 0;
|
---|
554 |
|
---|
555 | // tcdrain(reader[ridx].handle);
|
---|
556 | if (tcsetattr (reader[ridx].handle, TCSANOW, &newtio) < 0)
|
---|
557 | return FALSE;
|
---|
558 | // tcflush(reader[ridx].handle, TCIOFLUSH);
|
---|
559 | // if (tcsetattr (reader[ridx].handle, TCSAFLUSH, &newtio) < 0)
|
---|
560 | // return FALSE;
|
---|
561 |
|
---|
562 | IO_Serial_Ioctl_Lock(1);
|
---|
563 | IO_Serial_DTR_RTS(0, io->rts == IO_SERIAL_HIGH);
|
---|
564 | IO_Serial_DTR_RTS(1, io->dtr == IO_SERIAL_HIGH);
|
---|
565 | IO_Serial_Ioctl_Lock(0);
|
---|
566 |
|
---|
567 | #ifdef DEBUG_IO
|
---|
568 | printf("IO: Setting properties: reader_type%d, %ld bps; %d bits/byte; %s parity; %d stopbits; dtr=%d; rts=%d\n", reader[ridx].typ, io->input_bitrate, io->bits, io->parity == PARITY_EVEN ? "Even" : io->parity == PARITY_ODD ? "Odd" : "None", io->stopbits, io->dtr, io->rts);
|
---|
569 | #endif
|
---|
570 | return TRUE;
|
---|
571 | }
|
---|
572 |
|
---|
573 | bool IO_Serial_SetProperties (struct termios newtio)
|
---|
574 | {
|
---|
575 | if(reader[ridx].typ == R_INTERNAL)
|
---|
576 | return FALSE;
|
---|
577 |
|
---|
578 | if (tcsetattr (reader[ridx].handle, TCSANOW, &newtio) < 0)
|
---|
579 | return FALSE;
|
---|
580 | // tcflush(reader[ridx].handle, TCIOFLUSH);
|
---|
581 | // if (tcsetattr (reader[ridx].handle, TCSAFLUSH, &newtio) < 0)
|
---|
582 | // return FALSE;
|
---|
583 |
|
---|
584 | unsigned int mctl;
|
---|
585 | if (ioctl (reader[ridx].handle, TIOCMGET, &mctl) < 0)
|
---|
586 | return FALSE;
|
---|
587 |
|
---|
588 | int dtr = ((mctl & TIOCM_DTR) ? IO_SERIAL_HIGH : IO_SERIAL_LOW);
|
---|
589 | int rts = ((mctl & TIOCM_RTS) ? IO_SERIAL_HIGH : IO_SERIAL_LOW);
|
---|
590 |
|
---|
591 | IO_Serial_Ioctl_Lock(1);
|
---|
592 | IO_Serial_DTR_RTS(0, rts == IO_SERIAL_HIGH);
|
---|
593 | IO_Serial_DTR_RTS(1, dtr == IO_SERIAL_HIGH);
|
---|
594 | IO_Serial_Ioctl_Lock(0);
|
---|
595 |
|
---|
596 | #ifdef DEBUG_IO
|
---|
597 | printf("IO: Setting properties\n");
|
---|
598 | #endif
|
---|
599 |
|
---|
600 | return TRUE;
|
---|
601 | }
|
---|
602 |
|
---|
603 | int IO_Serial_SetParity (BYTE parity)
|
---|
604 | {
|
---|
605 | if(reader[ridx].typ == R_INTERNAL)
|
---|
606 | return TRUE;
|
---|
607 |
|
---|
608 | if ((parity != PARITY_EVEN) && (parity != PARITY_ODD) && (parity != PARITY_NONE))
|
---|
609 | return FALSE;
|
---|
610 |
|
---|
611 | struct termios tio;
|
---|
612 | int current_parity;
|
---|
613 | // Get current parity
|
---|
614 | if (tcgetattr (reader[ridx].handle, &tio) != 0)
|
---|
615 | return FALSE;
|
---|
616 |
|
---|
617 | if (((tio.c_cflag) & PARENB) == PARENB)
|
---|
618 | {
|
---|
619 | if (((tio.c_cflag) & PARODD) == PARODD)
|
---|
620 | current_parity = PARITY_ODD;
|
---|
621 | else
|
---|
622 | current_parity = PARITY_EVEN;
|
---|
623 | }
|
---|
624 | else
|
---|
625 | {
|
---|
626 | current_parity = PARITY_NONE;
|
---|
627 | }
|
---|
628 |
|
---|
629 | #ifdef DEBUG_IFD
|
---|
630 | printf ("IFD: Setting parity from %s to %s\n",
|
---|
631 | current_parity == PARITY_ODD ? "Odd" :
|
---|
632 | current_parity == PARITY_NONE ? "None" :
|
---|
633 | current_parity == PARITY_EVEN ? "Even" : "Invalid",
|
---|
634 | parity == PARITY_ODD ? "Odd" :
|
---|
635 | parity == PARITY_NONE ? "None" :
|
---|
636 | parity == PARITY_EVEN ? "Even" : "Invalid");
|
---|
637 | #endif
|
---|
638 |
|
---|
639 | if (current_parity != parity)
|
---|
640 | {
|
---|
641 |
|
---|
642 | // Set the parity
|
---|
643 | switch (parity)
|
---|
644 | {
|
---|
645 | case PARITY_ODD:
|
---|
646 | tio.c_cflag |= PARENB;
|
---|
647 | tio.c_cflag |= PARODD;
|
---|
648 | break;
|
---|
649 |
|
---|
650 | case PARITY_EVEN:
|
---|
651 | tio.c_cflag |= PARENB;
|
---|
652 | tio.c_cflag &= ~PARODD;
|
---|
653 | break;
|
---|
654 |
|
---|
655 | case PARITY_NONE:
|
---|
656 | tio.c_cflag &= ~PARENB;
|
---|
657 | break;
|
---|
658 | }
|
---|
659 | if (!IO_Serial_SetProperties (tio))
|
---|
660 | return FALSE;
|
---|
661 | }
|
---|
662 |
|
---|
663 | return TRUE;
|
---|
664 | }
|
---|
665 |
|
---|
666 | void IO_Serial_Flush ()
|
---|
667 | {
|
---|
668 | BYTE b;
|
---|
669 | while(IO_Serial_Read(1000, 1, &b));
|
---|
670 | }
|
---|
671 |
|
---|
672 |
|
---|
673 | void IO_Serial_GetPnPId (IO_Serial * io, BYTE * pnp_id, unsigned *length)
|
---|
674 | {
|
---|
675 | (*length) = io->PnP_id_size;
|
---|
676 | memcpy (pnp_id, io->PnP_id, io->PnP_id_size);
|
---|
677 | }
|
---|
678 |
|
---|
679 | bool IO_Serial_Read (unsigned timeout, unsigned size, BYTE * data)
|
---|
680 | {
|
---|
681 | BYTE c;
|
---|
682 | uint count = 0;
|
---|
683 | #ifdef SH4
|
---|
684 | bool readed;
|
---|
685 | struct timeval tv, tv_spent;
|
---|
686 | #endif
|
---|
687 |
|
---|
688 | if((reader[ridx].typ != R_INTERNAL) && (wr>0))
|
---|
689 | {
|
---|
690 | BYTE buf[256];
|
---|
691 | int n = wr;
|
---|
692 | wr = 0;
|
---|
693 |
|
---|
694 | if(!IO_Serial_Read (timeout, n, buf))
|
---|
695 | {
|
---|
696 | return FALSE;
|
---|
697 | }
|
---|
698 | }
|
---|
699 |
|
---|
700 | #ifdef DEBUG_IO
|
---|
701 | printf ("IO: Receiving: ");
|
---|
702 | fflush (stdout);
|
---|
703 | #endif
|
---|
704 | for (count = 0; count < size * (_in_echo_read ? (1+io_serial_need_dummy_char) : 1); count++)
|
---|
705 | {
|
---|
706 | #ifdef SH4
|
---|
707 | gettimeofday(&tv,0);
|
---|
708 | memcpy(&tv_spent,&tv,sizeof(struct timeval));
|
---|
709 | readed=FALSE;
|
---|
710 | while( (((tv_spent.tv_sec-tv.tv_sec)*1000) + ((tv_spent.tv_usec-tv.tv_usec)/1000L))<timeout )
|
---|
711 | {
|
---|
712 | if (read (reader[ridx].handle, &c, 1) == 1)
|
---|
713 | {
|
---|
714 | readed=TRUE;
|
---|
715 | break;
|
---|
716 | }
|
---|
717 | gettimeofday(&tv_spent,0);
|
---|
718 | }
|
---|
719 | if(!readed) return FALSE;
|
---|
720 |
|
---|
721 | data[_in_echo_read ? count/(1+io_serial_need_dummy_char) : count] = c;
|
---|
722 | #ifdef DEBUG_IO
|
---|
723 | printf ("%X ", c);
|
---|
724 | fflush (stdout);
|
---|
725 | #endif
|
---|
726 | #else
|
---|
727 | if (IO_Serial_WaitToRead (0, timeout))
|
---|
728 | {
|
---|
729 | if (read (reader[ridx].handle, &c, 1) != 1)
|
---|
730 | {
|
---|
731 | #ifdef DEBUG_IO
|
---|
732 | printf ("ERROR\n");
|
---|
733 | fflush (stdout);
|
---|
734 | #endif
|
---|
735 | return FALSE;
|
---|
736 | }
|
---|
737 | data[_in_echo_read ? count/(1+io_serial_need_dummy_char) : count] = c;
|
---|
738 |
|
---|
739 | #ifdef DEBUG_IO
|
---|
740 | printf ("%X ", c);
|
---|
741 | fflush (stdout);
|
---|
742 | #endif
|
---|
743 | }
|
---|
744 | else
|
---|
745 | {
|
---|
746 | #ifdef DEBUG_IO
|
---|
747 | printf ("TIMEOUT\n");
|
---|
748 | fflush (stdout);
|
---|
749 | #endif
|
---|
750 | tcflush (reader[ridx].handle, TCIFLUSH);
|
---|
751 | return FALSE;
|
---|
752 | }
|
---|
753 | #endif
|
---|
754 | }
|
---|
755 |
|
---|
756 | _in_echo_read = 0;
|
---|
757 |
|
---|
758 | #ifdef DEBUG_IO
|
---|
759 | printf ("\n");
|
---|
760 | fflush (stdout);
|
---|
761 | #endif
|
---|
762 |
|
---|
763 | return TRUE;
|
---|
764 | }
|
---|
765 |
|
---|
766 |
|
---|
767 |
|
---|
768 |
|
---|
769 | bool IO_Serial_Write (unsigned delay, unsigned size, BYTE * data)
|
---|
770 | {
|
---|
771 | unsigned count, to_send, i_w;
|
---|
772 | BYTE data_w[512];
|
---|
773 | #ifdef DEBUG_IO
|
---|
774 | unsigned i;
|
---|
775 |
|
---|
776 | printf ("IO: Sending: ");
|
---|
777 | fflush (stdout);
|
---|
778 | #endif
|
---|
779 | /* Discard input data from previous commands */
|
---|
780 | // tcflush (reader[ridx].handle, TCIFLUSH);
|
---|
781 |
|
---|
782 | for (count = 0; count < size; count += to_send)
|
---|
783 | {
|
---|
784 | // if(reader[ridx].typ == R_INTERNAL)
|
---|
785 | // to_send = 1;
|
---|
786 | // else
|
---|
787 | to_send = (delay? 1: size);
|
---|
788 |
|
---|
789 | if (IO_Serial_WaitToWrite (delay, 1000))
|
---|
790 | {
|
---|
791 | for (i_w=0; i_w < to_send; i_w++) {
|
---|
792 | data_w [(1+io_serial_need_dummy_char)*i_w] = data [count + i_w];
|
---|
793 | if (io_serial_need_dummy_char) {
|
---|
794 | data_w [2*i_w+1] = 0x00;
|
---|
795 | }
|
---|
796 | }
|
---|
797 | unsigned int u = write (reader[ridx].handle, data_w, (1+io_serial_need_dummy_char)*to_send);
|
---|
798 | _in_echo_read = 1;
|
---|
799 | if (u != (1+io_serial_need_dummy_char)*to_send)
|
---|
800 | {
|
---|
801 | #ifdef DEBUG_IO
|
---|
802 | printf ("ERROR\n");
|
---|
803 | fflush (stdout);
|
---|
804 | #endif
|
---|
805 | if(reader[ridx].typ != R_INTERNAL)
|
---|
806 | wr += u;
|
---|
807 | return FALSE;
|
---|
808 | }
|
---|
809 |
|
---|
810 | if(reader[ridx].typ != R_INTERNAL)
|
---|
811 | wr += to_send;
|
---|
812 |
|
---|
813 | #ifdef DEBUG_IO
|
---|
814 | for (i=0; i<(1+io_serial_need_dummy_char)*to_send; i++)
|
---|
815 | printf ("%X ", data_w[count + i]);
|
---|
816 | fflush (stdout);
|
---|
817 | #endif
|
---|
818 | }
|
---|
819 | else
|
---|
820 | {
|
---|
821 | #ifdef DEBUG_IO
|
---|
822 | printf ("TIMEOUT\n");
|
---|
823 | fflush (stdout);
|
---|
824 | #endif
|
---|
825 | // tcflush (reader[ridx].handle, TCIFLUSH);
|
---|
826 | return FALSE;
|
---|
827 | }
|
---|
828 | }
|
---|
829 |
|
---|
830 | #ifdef DEBUG_IO
|
---|
831 | printf ("\n");
|
---|
832 | fflush (stdout);
|
---|
833 | #endif
|
---|
834 |
|
---|
835 | return TRUE;
|
---|
836 | }
|
---|
837 |
|
---|
838 | bool IO_Serial_Close (IO_Serial * io)
|
---|
839 | {
|
---|
840 |
|
---|
841 | #ifdef DEBUG_IO
|
---|
842 | printf ("IO: Clossing serial port %s\n", reader[ridx].device);
|
---|
843 | #endif
|
---|
844 |
|
---|
845 | #if defined(TUXBOX) && defined(PPC)
|
---|
846 | close(fdmc);
|
---|
847 | #endif
|
---|
848 | if (close (reader[ridx].handle) != 0)
|
---|
849 | return FALSE;
|
---|
850 |
|
---|
851 | IO_Serial_Clear (io);
|
---|
852 |
|
---|
853 | return TRUE;
|
---|
854 | }
|
---|
855 |
|
---|
856 | /*
|
---|
857 | * Internal functions definition
|
---|
858 | */
|
---|
859 |
|
---|
860 | static int IO_Serial_Bitrate(int bitrate)
|
---|
861 | {
|
---|
862 | #ifdef B230400
|
---|
863 | if ((bitrate)>=230400) return B230400;
|
---|
864 | #endif
|
---|
865 | #ifdef B115200
|
---|
866 | if ((bitrate)>=115200) return B115200;
|
---|
867 | #endif
|
---|
868 | #ifdef B57600
|
---|
869 | if ((bitrate)>=57600) return B57600;
|
---|
870 | #endif
|
---|
871 | #ifdef B38400
|
---|
872 | if ((bitrate)>=38400) return B38400;
|
---|
873 | #endif
|
---|
874 | #ifdef B19200
|
---|
875 | if ((bitrate)>=19200) return B19200;
|
---|
876 | #endif
|
---|
877 | #ifdef B9600
|
---|
878 | if ((bitrate)>=9600) return B9600;
|
---|
879 | #endif
|
---|
880 | #ifdef B4800
|
---|
881 | if ((bitrate)>=4800) return B4800;
|
---|
882 | #endif
|
---|
883 | #ifdef B2400
|
---|
884 | if ((bitrate)>=2400) return B2400;
|
---|
885 | #endif
|
---|
886 | #ifdef B1800
|
---|
887 | if ((bitrate)>=1800) return B1800;
|
---|
888 | #endif
|
---|
889 | #ifdef B1200
|
---|
890 | if ((bitrate)>=1200) return B1200;
|
---|
891 | #endif
|
---|
892 | #ifdef B600
|
---|
893 | if ((bitrate)>=600) return B600;
|
---|
894 | #endif
|
---|
895 | #ifdef B300
|
---|
896 | if ((bitrate)>=300) return B300;
|
---|
897 | #endif
|
---|
898 | #ifdef B200
|
---|
899 | if ((bitrate)>=200) return B200;
|
---|
900 | #endif
|
---|
901 | #ifdef B150
|
---|
902 | if ((bitrate)>=150) return B150;
|
---|
903 | #endif
|
---|
904 | #ifdef B134
|
---|
905 | if ((bitrate)>=134) return B134;
|
---|
906 | #endif
|
---|
907 | #ifdef B110
|
---|
908 | if ((bitrate)>=110) return B110;
|
---|
909 | #endif
|
---|
910 | #ifdef B75
|
---|
911 | if ((bitrate)>=75) return B75;
|
---|
912 | #endif
|
---|
913 | #ifdef B50
|
---|
914 | if ((bitrate)>=50) return B50;
|
---|
915 | #endif
|
---|
916 | #ifdef B0
|
---|
917 | if ((bitrate)>=0) return B0;
|
---|
918 | #endif
|
---|
919 | return 0; /* Should never get here */
|
---|
920 | }
|
---|
921 |
|
---|
922 | static bool IO_Serial_WaitToRead (unsigned delay_ms, unsigned timeout_ms)
|
---|
923 | {
|
---|
924 | fd_set rfds;
|
---|
925 | fd_set erfds;
|
---|
926 | struct timeval tv;
|
---|
927 | int select_ret;
|
---|
928 | int in_fd;
|
---|
929 |
|
---|
930 | if (delay_ms > 0)
|
---|
931 | {
|
---|
932 | #ifdef HAVE_NANOSLEEP
|
---|
933 | struct timespec req_ts;
|
---|
934 |
|
---|
935 | req_ts.tv_sec = delay_ms / 1000;
|
---|
936 | req_ts.tv_nsec = (delay_ms % 1000) * 1000000L;
|
---|
937 | nanosleep (&req_ts, NULL);
|
---|
938 | #else
|
---|
939 | usleep (delay_ms * 1000L);
|
---|
940 | #endif
|
---|
941 | }
|
---|
942 |
|
---|
943 | in_fd=reader[ridx].handle;
|
---|
944 |
|
---|
945 | FD_ZERO(&rfds);
|
---|
946 | FD_SET(in_fd, &rfds);
|
---|
947 |
|
---|
948 | FD_ZERO(&erfds);
|
---|
949 | FD_SET(in_fd, &erfds);
|
---|
950 |
|
---|
951 | tv.tv_sec = timeout_ms/1000;
|
---|
952 | tv.tv_usec = (timeout_ms % 1000) * 1000L;
|
---|
953 | select_ret = select(in_fd+1, &rfds, NULL, &erfds, &tv);
|
---|
954 | if(select_ret==-1)
|
---|
955 | {
|
---|
956 | printf("select_ret=%i\n" , select_ret);
|
---|
957 | printf("errno =%d\n", errno);
|
---|
958 | fflush(stdout);
|
---|
959 | return (FALSE);
|
---|
960 | }
|
---|
961 |
|
---|
962 | if (FD_ISSET(in_fd, &erfds))
|
---|
963 | {
|
---|
964 | printf("fd is in error fds\n");
|
---|
965 | printf("errno =%d\n", errno);
|
---|
966 | fflush(stdout);
|
---|
967 | return (FALSE);
|
---|
968 | }
|
---|
969 |
|
---|
970 | return(FD_ISSET(in_fd,&rfds));
|
---|
971 | }
|
---|
972 |
|
---|
973 | static bool IO_Serial_WaitToWrite (unsigned delay_ms, unsigned timeout_ms)
|
---|
974 | {
|
---|
975 | fd_set wfds;
|
---|
976 | fd_set ewfds;
|
---|
977 | struct timeval tv;
|
---|
978 | int select_ret;
|
---|
979 | int out_fd;
|
---|
980 |
|
---|
981 | #ifdef SCI_DEV
|
---|
982 | if(reader[ridx].typ == R_INTERNAL)
|
---|
983 | return TRUE;
|
---|
984 | #endif
|
---|
985 |
|
---|
986 | if (delay_ms > 0)
|
---|
987 | {
|
---|
988 | #ifdef HAVE_NANOSLEEP
|
---|
989 | struct timespec req_ts;
|
---|
990 |
|
---|
991 | req_ts.tv_sec = delay_ms / 1000;
|
---|
992 | req_ts.tv_nsec = (delay_ms % 1000) * 1000000L;
|
---|
993 | nanosleep (&req_ts, NULL);
|
---|
994 | #else
|
---|
995 | usleep (delay_ms * 1000L);
|
---|
996 | #endif
|
---|
997 | }
|
---|
998 |
|
---|
999 | out_fd=reader[ridx].handle;
|
---|
1000 |
|
---|
1001 | FD_ZERO(&wfds);
|
---|
1002 | FD_SET(out_fd, &wfds);
|
---|
1003 |
|
---|
1004 | FD_ZERO(&ewfds);
|
---|
1005 | FD_SET(out_fd, &ewfds);
|
---|
1006 |
|
---|
1007 | tv.tv_sec = timeout_ms/1000L;
|
---|
1008 | tv.tv_usec = (timeout_ms % 1000) * 1000L;
|
---|
1009 |
|
---|
1010 | select_ret = select(out_fd+1, NULL, &wfds, &ewfds, &tv);
|
---|
1011 |
|
---|
1012 | if(select_ret==-1)
|
---|
1013 | {
|
---|
1014 | printf("select_ret=%d\n" , select_ret);
|
---|
1015 | printf("errno =%d\n", errno);
|
---|
1016 | fflush(stdout);
|
---|
1017 | return (FALSE);
|
---|
1018 | }
|
---|
1019 |
|
---|
1020 | if (FD_ISSET(out_fd, &ewfds))
|
---|
1021 | {
|
---|
1022 | printf("fd is in ewfds\n");
|
---|
1023 | printf("errno =%d\n", errno);
|
---|
1024 | fflush(stdout);
|
---|
1025 | return (FALSE);
|
---|
1026 | }
|
---|
1027 |
|
---|
1028 | return(FD_ISSET(out_fd,&wfds));
|
---|
1029 |
|
---|
1030 | }
|
---|
1031 |
|
---|
1032 | static void IO_Serial_Clear (IO_Serial * io)
|
---|
1033 | {
|
---|
1034 | reader[ridx].handle = -1;
|
---|
1035 | reader[ridx].typ = 0;
|
---|
1036 | memset (io->PnP_id, 0, IO_SERIAL_PNPID_SIZE);
|
---|
1037 | io->PnP_id_size = 0;
|
---|
1038 | wr = 0;
|
---|
1039 | //modifyable properties:
|
---|
1040 | io->input_bitrate = 0;
|
---|
1041 | io->output_bitrate = 0;
|
---|
1042 | io->bits = 0;
|
---|
1043 | io->stopbits = 0;
|
---|
1044 | io->parity = 0;
|
---|
1045 | io->dtr = 0;
|
---|
1046 | io->rts = 0;
|
---|
1047 | }
|
---|
1048 |
|
---|
1049 | static bool IO_Serial_InitPnP (IO_Serial * io)
|
---|
1050 | {
|
---|
1051 | int i = 0;
|
---|
1052 | io->input_bitrate = 1200;
|
---|
1053 | io->output_bitrate = 1200;
|
---|
1054 | io->parity = PARITY_NONE;
|
---|
1055 | io->bits = 7;
|
---|
1056 | io->stopbits = 1;
|
---|
1057 | io->dtr = IO_SERIAL_HIGH;
|
---|
1058 | io->rts = IO_SERIAL_LOW;
|
---|
1059 |
|
---|
1060 | if (!IO_Serial_SetPropertiesOld (io))
|
---|
1061 | return FALSE;
|
---|
1062 |
|
---|
1063 | while ((i < IO_SERIAL_PNPID_SIZE) && IO_Serial_Read (200, 1, &(io->PnP_id[i])))
|
---|
1064 | i++;
|
---|
1065 |
|
---|
1066 | io->PnP_id_size = i;
|
---|
1067 | return TRUE;
|
---|
1068 | }
|
---|
1069 |
|
---|