[8] | 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 <stdio.h>
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| 27 | #include <string.h>
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| 28 | #include <stdlib.h>
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| 29 | #ifdef OS_HPUX
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| 30 | #include <sys/modem.h>
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| 31 | #endif
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| 32 | #include <termios.h>
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| 33 | #include <unistd.h>
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| 34 | #include <sys/stat.h>
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| 35 | #include <fcntl.h>
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| 36 | #ifdef HAVE_POLL
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| 37 | #include <sys/poll.h>
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| 38 | #else
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| 39 | #include <sys/signal.h>
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| 40 | #include <sys/types.h>
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| 41 | #include <sys/time.h>
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| 42 | #endif
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| 43 | #include <sys/ioctl.h>
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| 44 | #include <time.h>
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| 45 | #include "io_serial.h"
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| 46 | #include "mc_global.h"
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[45] | 47 |
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| 48 | #ifndef OS_CYGWIN32
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[9] | 49 | #include <linux/serial.h>
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[45] | 50 | #endif
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[8] | 51 |
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| 52 | #define IO_SERIAL_FILENAME_LENGTH 32
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| 53 |
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| 54 | /*
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| 55 | * Internal functions declaration
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| 56 | */
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| 57 |
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| 58 | static int IO_Serial_Bitrate(int bitrate);
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| 59 |
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| 60 | static bool IO_Serial_WaitToRead (int hnd, unsigned delay_ms, unsigned timeout_ms);
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| 61 |
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| 62 | static bool IO_Serial_WaitToWrite (IO_Serial *io, unsigned delay_ms, unsigned timeout_ms);
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| 63 |
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| 64 | static void IO_Serial_DeviceName (unsigned com, bool usbserial, char * filename, unsigned length);
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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 bool IO_Serial_GetPropertiesCache(IO_Serial * io, IO_Serial_Properties * props);
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| 71 |
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| 72 | static void IO_Serial_SetPropertiesCache(IO_Serial * io, IO_Serial_Properties * props);
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| 73 |
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| 74 | static void IO_Serial_ClearPropertiesCache (IO_Serial * io);
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| 75 |
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[14] | 76 | static int _in_echo_read = 0;
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| 77 | int io_serial_need_dummy_char = 0;
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| 78 |
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[8] | 79 | int fdmc=(-1);
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| 80 |
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| 81 | #if defined(TUXBOX) && defined(PPC)
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| 82 | void IO_Serial_Ioctl_Lock(IO_Serial * io, int flag)
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| 83 | {
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[21] | 84 | extern int *oscam_sem;
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[8] | 85 | if ((io->com!=RTYP_DB2COM1) && (io->com!=RTYP_DB2COM2)) return;
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| 86 | if (!flag)
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[21] | 87 | *oscam_sem=0;
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| 88 | else while (*oscam_sem!=io->com)
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[8] | 89 | {
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[21] | 90 | while (*oscam_sem)
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[8] | 91 | usleep((io->com)*2000);
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[21] | 92 | *oscam_sem=io->com;
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[8] | 93 | usleep(1000);
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| 94 | }
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| 95 | }
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| 96 |
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| 97 | static bool IO_Serial_DTR_RTS_dbox2(int mcport, int dtr, int set)
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| 98 | {
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| 99 | int rc;
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| 100 | unsigned short msr;
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| 101 | unsigned int mbit;
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| 102 | unsigned short rts_bits[2]={ 0x10, 0x800};
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| 103 | unsigned short dtr_bits[2]={0x100, 0};
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| 104 |
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| 105 | #ifdef DEBUG_IO
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| 106 | printf("IO: multicam.o %s %s\n", dtr ? "dtr" : "rts", set ? "set" : "clear"); fflush(stdout);
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| 107 | #endif
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| 108 | if ((rc=ioctl(fdmc, GET_PCDAT, &msr))>=0)
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| 109 | {
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| 110 | if (dtr) // DTR
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| 111 | {
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| 112 | if (dtr_bits[mcport])
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| 113 | {
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| 114 | if (set)
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| 115 | msr&=(unsigned short)(~dtr_bits[mcport]);
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| 116 | else
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| 117 | msr|=dtr_bits[mcport];
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| 118 | rc=ioctl(fdmc, SET_PCDAT, &msr);
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| 119 | }
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| 120 | else
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| 121 | rc=0; // Dummy, can't handle using multicam.o
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| 122 | }
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| 123 | else // RTS
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| 124 | {
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| 125 | if (set)
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| 126 | msr&=(unsigned short)(~rts_bits[mcport]);
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| 127 | else
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| 128 | msr|=rts_bits[mcport];
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| 129 | rc=ioctl(fdmc, SET_PCDAT, &msr);
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| 130 | }
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| 131 | }
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| 132 | return((rc<0) ? FALSE : TRUE);
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| 133 | }
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| 134 | #endif
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| 135 |
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| 136 | bool IO_Serial_DTR_RTS(IO_Serial * io, int dtr, int set)
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| 137 | {
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| 138 | unsigned int msr;
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| 139 | unsigned int mbit;
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| 140 |
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| 141 | #if defined(TUXBOX) && defined(PPC)
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| 142 | if ((io->com==RTYP_DB2COM1) || (io->com==RTYP_DB2COM2))
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| 143 | return(IO_Serial_DTR_RTS_dbox2(io->com==RTYP_DB2COM2, dtr, set));
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| 144 | #endif
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| 145 |
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| 146 | mbit=(dtr) ? TIOCM_DTR : TIOCM_RTS;
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| 147 | #if defined(TIOCMBIS) && defined(TIOBMBIC)
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| 148 | if (ioctl (io->fd, set ? TIOCMBIS : TIOCMBIC, &mbit) < 0)
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| 149 | return FALSE;
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| 150 | #else
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| 151 | if (ioctl(io->fd, TIOCMGET, &msr) < 0)
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| 152 | return FALSE;
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| 153 | if (set)
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| 154 | msr|=mbit;
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| 155 | else
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| 156 | msr&=~mbit;
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| 157 | return((ioctl(io->fd, TIOCMSET, &msr)<0) ? FALSE : TRUE);
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| 158 | #endif
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| 159 | }
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| 160 |
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| 161 | /*
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| 162 | * Public functions definition
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| 163 | */
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| 164 |
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| 165 | IO_Serial * IO_Serial_New (void)
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| 166 | {
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| 167 | IO_Serial *io;
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| 168 |
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| 169 | io = (IO_Serial *) malloc (sizeof (IO_Serial));
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| 170 |
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| 171 | if (io != NULL)
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| 172 | IO_Serial_Clear (io);
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| 173 |
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| 174 | return io;
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| 175 | }
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| 176 |
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| 177 | bool IO_Serial_Init (IO_Serial * io, unsigned com, bool usbserial, bool pnp)
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| 178 | {
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| 179 | char filename[IO_SERIAL_FILENAME_LENGTH];
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| 180 |
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| 181 | IO_Serial_DeviceName (com, usbserial, filename, IO_SERIAL_FILENAME_LENGTH);
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| 182 |
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| 183 | #ifdef DEBUG_IO
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| 184 | printf ("IO: Opening serial port %s\n", filename);
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| 185 | #endif
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| 186 |
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| 187 | if (com < 1)
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| 188 | return FALSE;
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| 189 |
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| 190 | io->com = com;
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| 191 |
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| 192 | #ifdef SCI_DEV
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| 193 | if (com==RTYP_SCI)
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| 194 | io->fd = open (filename, O_RDWR);
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| 195 | else
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| 196 | #endif
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| 197 | io->fd = open (filename, O_RDWR | O_NOCTTY | O_SYNC);
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| 198 |
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| 199 | if (io->fd < 0)
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| 200 | return FALSE;
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| 201 |
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| 202 | #if defined(TUXBOX) && defined(PPC)
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| 203 | if ((com==RTYP_DB2COM1) || (com==RTYP_DB2COM2))
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| 204 | if ((fdmc = open(DEV_MULTICAM, O_RDWR)) < 0)
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| 205 | {
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| 206 | close(io->fd);
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| 207 | return FALSE;
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| 208 | }
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| 209 | #endif
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| 210 |
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| 211 | if (com!=RTYP_SCI)
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| 212 | IO_Serial_InitPnP (io);
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| 213 |
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| 214 | io->usbserial=usbserial;
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| 215 |
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| 216 | if(io->com!=RTYP_SCI)
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| 217 | IO_Serial_Flush(io);
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| 218 |
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| 219 | return TRUE;
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| 220 | }
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| 221 |
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| 222 | bool IO_Serial_GetProperties (IO_Serial * io, IO_Serial_Properties * props)
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| 223 | {
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| 224 | struct termios currtio;
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| 225 | speed_t i_speed, o_speed;
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| 226 | unsigned int mctl;
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| 227 |
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| 228 | #ifdef SCI_DEV
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| 229 | if(io->com==RTYP_SCI)
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| 230 | return FALSE;
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| 231 | #endif
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| 232 |
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| 233 | if (IO_Serial_GetPropertiesCache(io, props))
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| 234 | return TRUE;
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| 235 |
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| 236 | if (tcgetattr (io->fd, &currtio) != 0)
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| 237 | return FALSE;
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| 238 |
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| 239 | o_speed = cfgetospeed (&currtio);
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| 240 |
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| 241 | switch (o_speed)
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| 242 | {
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| 243 | #ifdef B0
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| 244 | case B0:
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| 245 | props->output_bitrate = 0;
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| 246 | break;
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| 247 | #endif
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| 248 | #ifdef B50
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| 249 | case B50:
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| 250 | props->output_bitrate = 50;
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| 251 | break;
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| 252 | #endif
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| 253 | #ifdef B75
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| 254 | case B75:
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| 255 | props->output_bitrate = 75;
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| 256 | break;
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| 257 | #endif
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| 258 | #ifdef B110
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| 259 | case B110:
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| 260 | props->output_bitrate = 110;
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| 261 | break;
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| 262 | #endif
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| 263 | #ifdef B134
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| 264 | case B134:
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| 265 | props->output_bitrate = 134;
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| 266 | break;
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| 267 | #endif
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| 268 | #ifdef B150
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| 269 | case B150:
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| 270 | props->output_bitrate = 150;
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| 271 | break;
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| 272 | #endif
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| 273 | #ifdef B200
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| 274 | case B200:
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| 275 | props->output_bitrate = 200;
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| 276 | break;
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| 277 | #endif
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| 278 | #ifdef B300
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| 279 | case B300:
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| 280 | props->output_bitrate = 300;
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| 281 | break;
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| 282 | #endif
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| 283 | #ifdef B600
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| 284 | case B600:
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| 285 | props->output_bitrate = 600;
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| 286 | break;
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| 287 | #endif
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| 288 | #ifdef B1200
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| 289 | case B1200:
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| 290 | props->output_bitrate = 1200;
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| 291 | break;
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| 292 | #endif
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| 293 | #ifdef B1800
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| 294 | case B1800:
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| 295 | props->output_bitrate = 1800;
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| 296 | break;
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| 297 | #endif
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| 298 | #ifdef B2400
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| 299 | case B2400:
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| 300 | props->output_bitrate = 2400;
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| 301 | break;
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| 302 | #endif
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| 303 | #ifdef B4800
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| 304 | case B4800:
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| 305 | props->output_bitrate = 4800;
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| 306 | break;
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| 307 | #endif
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| 308 | #ifdef B9600
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| 309 | case B9600:
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| 310 | props->output_bitrate = 9600;
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| 311 | break;
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| 312 | #endif
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| 313 | #ifdef B19200
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| 314 | case B19200:
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| 315 | props->output_bitrate = 19200;
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| 316 | break;
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| 317 | #endif
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| 318 | #ifdef B38400
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| 319 | case B38400:
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| 320 | props->output_bitrate = 38400;
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| 321 | break;
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| 322 | #endif
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| 323 | #ifdef B57600
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| 324 | case B57600:
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| 325 | props->output_bitrate = 57600;
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| 326 | break;
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| 327 | #endif
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| 328 | #ifdef B115200
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| 329 | case B115200:
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| 330 | props->output_bitrate = 115200;
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| 331 | break;
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| 332 | #endif
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| 333 | #ifdef B230400
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| 334 | case B230400:
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| 335 | props->output_bitrate = 230400;
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| 336 | break;
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| 337 | #endif
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| 338 | default:
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| 339 | props->output_bitrate = 1200;
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| 340 | break;
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| 341 | }
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| 342 |
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| 343 | i_speed = cfgetispeed (&currtio);
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| 344 |
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| 345 | switch (i_speed)
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| 346 | {
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| 347 | #ifdef B0
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| 348 | case B0:
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| 349 | props->input_bitrate = 0;
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| 350 | break;
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| 351 | #endif
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| 352 | #ifdef B50
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| 353 | case B50:
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| 354 | props->input_bitrate = 50;
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| 355 | break;
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| 356 | #endif
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| 357 | #ifdef B75
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| 358 | case B75:
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| 359 | props->input_bitrate = 75;
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| 360 | break;
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| 361 | #endif
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| 362 | #ifdef B110
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| 363 | case B110:
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| 364 | props->input_bitrate = 110;
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| 365 | break;
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| 366 | #endif
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| 367 | #ifdef B134
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| 368 | case B134:
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| 369 | props->input_bitrate = 134;
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| 370 | break;
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| 371 | #endif
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| 372 | #ifdef B150
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| 373 | case B150:
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| 374 | props->input_bitrate = 150;
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| 375 | break;
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| 376 | #endif
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| 377 | #ifdef B200
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| 378 | case B200:
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| 379 | props->input_bitrate = 200;
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| 380 | break;
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| 381 | #endif
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| 382 | #ifdef B300
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| 383 | case B300:
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| 384 | props->input_bitrate = 300;
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| 385 | break;
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| 386 | #endif
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| 387 | #ifdef B600
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| 388 | case B600:
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| 389 | props->input_bitrate = 600;
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| 390 | break;
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| 391 | #endif
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| 392 | #ifdef B1200
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| 393 | case B1200:
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| 394 | props->input_bitrate = 1200;
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| 395 | break;
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| 396 | #endif
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| 397 | #ifdef B1800
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| 398 | case B1800:
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| 399 | props->input_bitrate = 1800;
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| 400 | break;
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| 401 | #endif
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| 402 | #ifdef B2400
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| 403 | case B2400:
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| 404 | props->input_bitrate = 2400;
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| 405 | break;
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| 406 | #endif
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| 407 | #ifdef B4800
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| 408 | case B4800:
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| 409 | props->input_bitrate = 4800;
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| 410 | break;
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| 411 | #endif
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| 412 | #ifdef B9600
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| 413 | case B9600:
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| 414 | props->input_bitrate = 9600;
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| 415 | break;
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| 416 | #endif
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| 417 | #ifdef B19200
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| 418 | case B19200:
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| 419 | props->input_bitrate = 19200;
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| 420 | break;
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| 421 | #endif
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| 422 | #ifdef B38400
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| 423 | case B38400:
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| 424 | props->input_bitrate = 38400;
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| 425 | break;
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| 426 | #endif
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| 427 | #ifdef B57600
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| 428 | case B57600:
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| 429 | props->input_bitrate = 57600;
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| 430 | break;
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| 431 | #endif
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| 432 | #ifdef B115200
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| 433 | case B115200:
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| 434 | props->input_bitrate = 115200;
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| 435 | break;
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| 436 | #endif
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| 437 | #ifdef B230400
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| 438 | case B230400:
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| 439 | props->input_bitrate = 230400;
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| 440 | break;
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| 441 | #endif
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| 442 | default:
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| 443 | props->input_bitrate = 1200;
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| 444 | break;
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| 445 | }
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| 446 |
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| 447 | switch (currtio.c_cflag & CSIZE)
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| 448 | {
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| 449 | case CS5:
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| 450 | props->bits = 5;
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| 451 | break;
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| 452 | case CS6:
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| 453 | props->bits = 6;
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| 454 | break;
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| 455 | case CS7:
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| 456 | props->bits = 7;
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| 457 | break;
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| 458 | case CS8:
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| 459 | props->bits = 8;
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| 460 | break;
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| 461 | }
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| 462 |
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| 463 | if (((currtio.c_cflag) & PARENB) == PARENB)
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| 464 | {
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| 465 | if (((currtio.c_cflag) & PARODD) == PARODD)
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| 466 | props->parity = IO_SERIAL_PARITY_ODD;
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| 467 | else
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| 468 | props->parity = IO_SERIAL_PARITY_EVEN;
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| 469 | }
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| 470 | else
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| 471 | {
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| 472 | props->parity = IO_SERIAL_PARITY_NONE;
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| 473 | }
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| 474 |
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| 475 | if (((currtio.c_cflag) & CSTOPB) == CSTOPB)
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| 476 | props->stopbits = 2;
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| 477 | else
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| 478 | props->stopbits = 1;
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| 479 |
|
---|
| 480 | if (ioctl (io->fd, TIOCMGET, &mctl) < 0)
|
---|
| 481 | return FALSE;
|
---|
| 482 |
|
---|
| 483 | props->dtr = ((mctl & TIOCM_DTR) ? IO_SERIAL_HIGH : IO_SERIAL_LOW);
|
---|
| 484 | props->rts = ((mctl & TIOCM_RTS) ? IO_SERIAL_HIGH : IO_SERIAL_LOW);
|
---|
| 485 |
|
---|
| 486 | IO_Serial_SetPropertiesCache (io, props);
|
---|
| 487 |
|
---|
| 488 | #ifdef DEBUG_IO
|
---|
| 489 | printf("IO: Getting properties: %ld bps; %d bits/byte; %s parity; %d stopbits; dtr=%d; rts=%d\n", props->input_bitrate, props->bits, props->parity == IO_SERIAL_PARITY_EVEN ? "Even" : props->parity == IO_SERIAL_PARITY_ODD ? "Odd" : "None", props->stopbits, props->dtr, props->rts);
|
---|
| 490 | #endif
|
---|
| 491 |
|
---|
| 492 | return TRUE;
|
---|
| 493 | }
|
---|
| 494 |
|
---|
| 495 | bool IO_Serial_SetProperties (IO_Serial * io, IO_Serial_Properties * props)
|
---|
| 496 | {
|
---|
| 497 | struct termios newtio;
|
---|
| 498 | unsigned int modembits;
|
---|
| 499 |
|
---|
| 500 | #ifdef SCI_DEV
|
---|
| 501 | if(io->com==RTYP_SCI)
|
---|
| 502 | return FALSE;
|
---|
| 503 | #endif
|
---|
| 504 |
|
---|
| 505 | // printf("IO: Setting properties: com%d, %ld bps; %d bits/byte; %s parity; %d stopbits; dtr=%d; rts=%d\n", io->com, props->input_bitrate, props->bits, props->parity == IO_SERIAL_PARITY_EVEN ? "Even" : props->parity == IO_SERIAL_PARITY_ODD ? "Odd" : "None", props->stopbits, props->dtr, props->rts);
|
---|
| 506 | memset (&newtio, 0, sizeof (newtio));
|
---|
| 507 | /* Set the bitrate */
|
---|
[9] | 508 |
|
---|
| 509 | extern int mhz;
|
---|
[16] | 510 | extern int reader_irdeto_mode;
|
---|
[9] | 511 | if (mhz == 600) {
|
---|
| 512 | /* for 6MHz */
|
---|
[16] | 513 | if (reader_irdeto_mode) {
|
---|
| 514 | cfsetospeed(&newtio, IO_Serial_Bitrate(props->output_bitrate));
|
---|
| 515 | cfsetispeed(&newtio, IO_Serial_Bitrate(props->input_bitrate));
|
---|
| 516 | } else {
|
---|
[45] | 517 | #ifndef OS_CYGWIN32
|
---|
[16] | 518 | struct serial_struct nuts;
|
---|
| 519 | ioctl(io->fd, TIOCGSERIAL, &nuts);
|
---|
| 520 | nuts.custom_divisor = nuts.baud_base / 9600 * 3.57 / 6;
|
---|
| 521 | nuts.flags &= ~ASYNC_SPD_MASK;
|
---|
| 522 | nuts.flags |= ASYNC_SPD_CUST;
|
---|
| 523 | ioctl(io->fd, TIOCSSERIAL, &nuts);
|
---|
| 524 | cfsetospeed(&newtio, IO_Serial_Bitrate(38400));
|
---|
| 525 | cfsetispeed(&newtio, IO_Serial_Bitrate(38400));
|
---|
[45] | 526 | #else
|
---|
| 527 | cfsetospeed(&newtio, IO_Serial_Bitrate(9600 / 3.57 * 6));
|
---|
| 528 | cfsetispeed(&newtio, IO_Serial_Bitrate(9600 / 3.57 * 6));
|
---|
| 529 | #endif
|
---|
[16] | 530 | }
|
---|
[9] | 531 | } else if (mhz == 357 || mhz == 358) {
|
---|
| 532 | /* for 3.57 MHz */
|
---|
[16] | 533 | if (reader_irdeto_mode) {
|
---|
[45] | 534 | #ifndef OS_CYGWIN32
|
---|
[16] | 535 | struct serial_struct nuts;
|
---|
| 536 | ioctl(io->fd, TIOCGSERIAL, &nuts);
|
---|
| 537 | nuts.custom_divisor = nuts.baud_base / 5713;
|
---|
| 538 | nuts.flags &= ~ASYNC_SPD_MASK;
|
---|
| 539 | nuts.flags |= ASYNC_SPD_CUST;
|
---|
| 540 | ioctl(io->fd, TIOCSSERIAL, &nuts);
|
---|
| 541 | cfsetospeed(&newtio, IO_Serial_Bitrate(38400));
|
---|
| 542 | cfsetispeed(&newtio, IO_Serial_Bitrate(38400));
|
---|
[45] | 543 | #else
|
---|
| 544 | cfsetospeed(&newtio, IO_Serial_Bitrate(5713));
|
---|
| 545 | cfsetispeed(&newtio, IO_Serial_Bitrate(5713));
|
---|
| 546 | #endif
|
---|
[16] | 547 | } else {
|
---|
| 548 | cfsetospeed(&newtio, IO_Serial_Bitrate(props->output_bitrate));
|
---|
| 549 | cfsetispeed(&newtio, IO_Serial_Bitrate(props->input_bitrate));
|
---|
| 550 | }
|
---|
[9] | 551 | } else {
|
---|
| 552 | /* invalid */
|
---|
| 553 | return FALSE;
|
---|
| 554 | }
|
---|
| 555 |
|
---|
[8] | 556 | /* Set the character size */
|
---|
| 557 | switch (props->bits)
|
---|
| 558 | {
|
---|
| 559 |
|
---|
| 560 | case 5:
|
---|
| 561 | newtio.c_cflag |= CS5;
|
---|
| 562 | break;
|
---|
| 563 |
|
---|
| 564 | case 6:
|
---|
| 565 | newtio.c_cflag |= CS6;
|
---|
| 566 | break;
|
---|
| 567 |
|
---|
| 568 | case 7:
|
---|
| 569 | newtio.c_cflag |= CS7;
|
---|
| 570 | break;
|
---|
| 571 |
|
---|
| 572 | case 8:
|
---|
| 573 | newtio.c_cflag |= CS8;
|
---|
| 574 | break;
|
---|
| 575 | }
|
---|
| 576 |
|
---|
| 577 | /* Set the parity */
|
---|
| 578 | switch (props->parity)
|
---|
| 579 | {
|
---|
| 580 | case IO_SERIAL_PARITY_ODD:
|
---|
| 581 | newtio.c_cflag |= PARENB;
|
---|
| 582 | newtio.c_cflag |= PARODD;
|
---|
| 583 | break;
|
---|
| 584 |
|
---|
| 585 | case IO_SERIAL_PARITY_EVEN:
|
---|
| 586 | newtio.c_cflag |= PARENB;
|
---|
| 587 | newtio.c_cflag &= ~PARODD;
|
---|
| 588 | break;
|
---|
| 589 |
|
---|
| 590 | case IO_SERIAL_PARITY_NONE:
|
---|
| 591 | newtio.c_cflag &= ~PARENB;
|
---|
| 592 | break;
|
---|
| 593 | }
|
---|
| 594 |
|
---|
| 595 | /* Set the number of stop bits */
|
---|
| 596 | switch (props->stopbits)
|
---|
| 597 | {
|
---|
| 598 | case 1:
|
---|
| 599 | newtio.c_cflag &= (~CSTOPB);
|
---|
| 600 | break;
|
---|
| 601 | case 2:
|
---|
| 602 | newtio.c_cflag |= CSTOPB;
|
---|
| 603 | break;
|
---|
| 604 | }
|
---|
| 605 |
|
---|
| 606 | /* Selects raw (non-canonical) input and output */
|
---|
| 607 | newtio.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
|
---|
| 608 | newtio.c_oflag &= ~OPOST;
|
---|
| 609 | #if 1
|
---|
| 610 | newtio.c_iflag |= IGNPAR;
|
---|
| 611 | /* Ignore parity errors!!! Windows driver does so why shouldn't I? */
|
---|
| 612 | #endif
|
---|
| 613 | /* Enable receiber, hang on close, ignore control line */
|
---|
| 614 | newtio.c_cflag |= CREAD | HUPCL | CLOCAL;
|
---|
| 615 |
|
---|
| 616 | /* Read 1 byte minimun, no timeout specified */
|
---|
| 617 | newtio.c_cc[VMIN] = 1;
|
---|
| 618 | newtio.c_cc[VTIME] = 0;
|
---|
| 619 |
|
---|
| 620 | // tcdrain(io->fd);
|
---|
| 621 | if (tcsetattr (io->fd, TCSANOW, &newtio) < 0)
|
---|
| 622 | return FALSE;
|
---|
| 623 | // tcflush(io->fd, TCIOFLUSH);
|
---|
| 624 | // if (tcsetattr (io->fd, TCSAFLUSH, &newtio) < 0)
|
---|
| 625 | // return FALSE;
|
---|
| 626 |
|
---|
| 627 | IO_Serial_Ioctl_Lock(io, 1);
|
---|
| 628 | IO_Serial_DTR_RTS(io, 0, props->rts == IO_SERIAL_HIGH);
|
---|
| 629 | IO_Serial_DTR_RTS(io, 1, props->dtr == IO_SERIAL_HIGH);
|
---|
| 630 | IO_Serial_Ioctl_Lock(io, 0);
|
---|
| 631 |
|
---|
| 632 | IO_Serial_SetPropertiesCache (io, props);
|
---|
| 633 |
|
---|
| 634 | #ifdef DEBUG_IO
|
---|
| 635 | printf("IO: Setting properties: com%d, %ld bps; %d bits/byte; %s parity; %d stopbits; dtr=%d; rts=%d\n", io->com, props->input_bitrate, props->bits, props->parity == IO_SERIAL_PARITY_EVEN ? "Even" : props->parity == IO_SERIAL_PARITY_ODD ? "Odd" : "None", props->stopbits, props->dtr, props->rts);
|
---|
| 636 | #endif
|
---|
| 637 | return TRUE;
|
---|
| 638 | }
|
---|
| 639 |
|
---|
| 640 | void IO_Serial_Flush (IO_Serial * io)
|
---|
| 641 | {
|
---|
| 642 | BYTE b;
|
---|
| 643 | while(IO_Serial_Read(io, 1000, 1, &b));
|
---|
| 644 |
|
---|
| 645 | }
|
---|
| 646 |
|
---|
| 647 |
|
---|
| 648 | void IO_Serial_GetPnPId (IO_Serial * io, BYTE * pnp_id, unsigned *length)
|
---|
| 649 | {
|
---|
| 650 | (*length) = io->PnP_id_size;
|
---|
| 651 | memcpy (pnp_id, io->PnP_id, io->PnP_id_size);
|
---|
| 652 | }
|
---|
| 653 |
|
---|
| 654 | unsigned IO_Serial_GetCom (IO_Serial * io)
|
---|
| 655 | {
|
---|
| 656 | return io->com;
|
---|
| 657 | }
|
---|
| 658 |
|
---|
| 659 |
|
---|
| 660 | bool IO_Serial_Read (IO_Serial * io, unsigned timeout, unsigned size, BYTE * data)
|
---|
| 661 | {
|
---|
| 662 | BYTE c;
|
---|
| 663 | int count = 0;
|
---|
| 664 |
|
---|
| 665 |
|
---|
| 666 | if((io->com!=RTYP_SCI) && (io->wr>0))
|
---|
| 667 | {
|
---|
| 668 | BYTE buf[256];
|
---|
| 669 | int n = io->wr;
|
---|
| 670 | io->wr = 0;
|
---|
| 671 |
|
---|
| 672 | if(!IO_Serial_Read (io, timeout, n, buf))
|
---|
| 673 | {
|
---|
| 674 | return FALSE;
|
---|
| 675 | }
|
---|
| 676 | }
|
---|
| 677 |
|
---|
| 678 | #ifdef DEBUG_IO
|
---|
| 679 | printf ("IO: Receiving: ");
|
---|
| 680 | fflush (stdout);
|
---|
| 681 | #endif
|
---|
[14] | 682 | for (count = 0; count < size * (_in_echo_read ? (1+io_serial_need_dummy_char) : 1); count++)
|
---|
[8] | 683 | {
|
---|
| 684 | if (IO_Serial_WaitToRead (io->fd, 0, timeout))
|
---|
| 685 | {
|
---|
| 686 | if (read (io->fd, &c, 1) != 1)
|
---|
| 687 | {
|
---|
| 688 | #ifdef DEBUG_IO
|
---|
| 689 | printf ("ERROR\n");
|
---|
| 690 | fflush (stdout);
|
---|
| 691 | #endif
|
---|
| 692 | return FALSE;
|
---|
| 693 | }
|
---|
[14] | 694 | data[_in_echo_read ? count/(1+io_serial_need_dummy_char) : count] = c;
|
---|
[8] | 695 |
|
---|
| 696 | #ifdef DEBUG_IO
|
---|
| 697 | printf ("%X ", c);
|
---|
| 698 | fflush (stdout);
|
---|
| 699 | #endif
|
---|
| 700 | }
|
---|
| 701 | else
|
---|
| 702 | {
|
---|
| 703 | #ifdef DEBUG_IO
|
---|
| 704 | printf ("TIMEOUT\n");
|
---|
| 705 | fflush (stdout);
|
---|
| 706 | #endif
|
---|
| 707 | tcflush (io->fd, TCIFLUSH);
|
---|
| 708 | return FALSE;
|
---|
| 709 | }
|
---|
| 710 | }
|
---|
| 711 |
|
---|
[14] | 712 | _in_echo_read = 0;
|
---|
| 713 |
|
---|
[8] | 714 | #ifdef DEBUG_IO
|
---|
| 715 | printf ("\n");
|
---|
| 716 | fflush (stdout);
|
---|
| 717 | #endif
|
---|
| 718 |
|
---|
| 719 | return TRUE;
|
---|
| 720 | }
|
---|
| 721 |
|
---|
| 722 | bool IO_Serial_Write (IO_Serial * io, unsigned delay, unsigned size, BYTE * data)
|
---|
| 723 | {
|
---|
| 724 | unsigned count, to_send;
|
---|
[14] | 725 | BYTE data_w[512];
|
---|
| 726 | int i_w;
|
---|
[8] | 727 | #ifdef DEBUG_IO
|
---|
| 728 | unsigned i;
|
---|
| 729 |
|
---|
| 730 | printf ("IO: Sending: ");
|
---|
| 731 | fflush (stdout);
|
---|
| 732 | #endif
|
---|
| 733 | /* Discard input data from previous commands */
|
---|
| 734 | // tcflush (io->fd, TCIFLUSH);
|
---|
| 735 |
|
---|
| 736 | for (count = 0; count < size; count += to_send)
|
---|
| 737 | {
|
---|
| 738 | // if(io->com==RTYP_SCI)
|
---|
| 739 | // to_send = 1;
|
---|
| 740 | // else
|
---|
| 741 | to_send = (delay? 1: size);
|
---|
| 742 |
|
---|
| 743 | if (IO_Serial_WaitToWrite (io, delay, 1000))
|
---|
| 744 | {
|
---|
[14] | 745 | for (i_w=0; i_w < to_send; i_w++) {
|
---|
| 746 | data_w [(1+io_serial_need_dummy_char)*i_w] = data [count + i_w];
|
---|
| 747 | if (io_serial_need_dummy_char) {
|
---|
| 748 | data_w [2*i_w+1] = 0x00;
|
---|
| 749 | }
|
---|
| 750 | }
|
---|
| 751 | unsigned int u = write (io->fd, data_w, (1+io_serial_need_dummy_char)*to_send);
|
---|
| 752 | _in_echo_read = 1;
|
---|
| 753 | if (u != (1+io_serial_need_dummy_char)*to_send)
|
---|
[8] | 754 | {
|
---|
| 755 | #ifdef DEBUG_IO
|
---|
| 756 | printf ("ERROR\n");
|
---|
| 757 | fflush (stdout);
|
---|
| 758 | #endif
|
---|
| 759 | if(io->com!=RTYP_SCI)
|
---|
| 760 | io->wr += u;
|
---|
| 761 | return FALSE;
|
---|
| 762 | }
|
---|
| 763 |
|
---|
| 764 | if(io->com!=RTYP_SCI)
|
---|
| 765 | io->wr += to_send;
|
---|
| 766 |
|
---|
| 767 | #ifdef DEBUG_IO
|
---|
[14] | 768 | for (i=0; i<(1+io_serial_need_dummy_char)*to_send; i++)
|
---|
| 769 | printf ("%X ", data_w[count + i]);
|
---|
[8] | 770 | fflush (stdout);
|
---|
| 771 | #endif
|
---|
| 772 | }
|
---|
| 773 | else
|
---|
| 774 | {
|
---|
| 775 | #ifdef DEBUG_IO
|
---|
| 776 | printf ("TIMEOUT\n");
|
---|
| 777 | fflush (stdout);
|
---|
| 778 | #endif
|
---|
| 779 | // tcflush (io->fd, TCIFLUSH);
|
---|
| 780 | return FALSE;
|
---|
| 781 | }
|
---|
| 782 | }
|
---|
| 783 |
|
---|
| 784 | #ifdef DEBUG_IO
|
---|
| 785 | printf ("\n");
|
---|
| 786 | fflush (stdout);
|
---|
| 787 | #endif
|
---|
| 788 |
|
---|
| 789 | return TRUE;
|
---|
| 790 | }
|
---|
| 791 |
|
---|
| 792 | bool IO_Serial_Close (IO_Serial * io)
|
---|
| 793 | {
|
---|
| 794 | char filename[IO_SERIAL_FILENAME_LENGTH];
|
---|
| 795 |
|
---|
| 796 | IO_Serial_DeviceName (io->com, io->usbserial, filename, IO_SERIAL_FILENAME_LENGTH);
|
---|
| 797 |
|
---|
| 798 | #ifdef DEBUG_IO
|
---|
| 799 | printf ("IO: Clossing serial port %s\n", filename);
|
---|
| 800 | #endif
|
---|
| 801 |
|
---|
| 802 | #if defined(TUXBOX) && defined(PPC)
|
---|
| 803 | close(fdmc);
|
---|
| 804 | #endif
|
---|
| 805 | if (close (io->fd) != 0)
|
---|
| 806 | return FALSE;
|
---|
| 807 |
|
---|
| 808 | IO_Serial_ClearPropertiesCache (io);
|
---|
| 809 | IO_Serial_Clear (io);
|
---|
| 810 |
|
---|
| 811 | return TRUE;
|
---|
| 812 | }
|
---|
| 813 |
|
---|
| 814 | void IO_Serial_Delete (IO_Serial * io)
|
---|
| 815 | {
|
---|
| 816 | if (io->props != NULL)
|
---|
| 817 | free (io->props);
|
---|
| 818 |
|
---|
| 819 | free (io);
|
---|
| 820 | }
|
---|
| 821 |
|
---|
| 822 | /*
|
---|
| 823 | * Internal functions definition
|
---|
| 824 | */
|
---|
| 825 |
|
---|
| 826 | static int IO_Serial_Bitrate(int bitrate)
|
---|
| 827 | {
|
---|
| 828 | #ifdef B230400
|
---|
| 829 | if ((bitrate)>=230400) return B230400;
|
---|
| 830 | #endif
|
---|
| 831 | #ifdef B115200
|
---|
| 832 | if ((bitrate)>=115200) return B115200;
|
---|
| 833 | #endif
|
---|
| 834 | #ifdef B57600
|
---|
| 835 | if ((bitrate)>=57600) return B57600;
|
---|
| 836 | #endif
|
---|
| 837 | #ifdef B38400
|
---|
| 838 | if ((bitrate)>=38400) return B38400;
|
---|
| 839 | #endif
|
---|
| 840 | #ifdef B19200
|
---|
| 841 | if ((bitrate)>=19200) return B19200;
|
---|
| 842 | #endif
|
---|
| 843 | #ifdef B9600
|
---|
| 844 | if ((bitrate)>=9600) return B9600;
|
---|
| 845 | #endif
|
---|
| 846 | #ifdef B4800
|
---|
| 847 | if ((bitrate)>=4800) return B4800;
|
---|
| 848 | #endif
|
---|
| 849 | #ifdef B2400
|
---|
| 850 | if ((bitrate)>=2400) return B2400;
|
---|
| 851 | #endif
|
---|
| 852 | #ifdef B1800
|
---|
| 853 | if ((bitrate)>=1800) return B1800;
|
---|
| 854 | #endif
|
---|
| 855 | #ifdef B1200
|
---|
| 856 | if ((bitrate)>=1200) return B1200;
|
---|
| 857 | #endif
|
---|
| 858 | #ifdef B600
|
---|
| 859 | if ((bitrate)>=600) return B600;
|
---|
| 860 | #endif
|
---|
| 861 | #ifdef B300
|
---|
| 862 | if ((bitrate)>=300) return B300;
|
---|
| 863 | #endif
|
---|
| 864 | #ifdef B200
|
---|
| 865 | if ((bitrate)>=200) return B200;
|
---|
| 866 | #endif
|
---|
| 867 | #ifdef B150
|
---|
| 868 | if ((bitrate)>=150) return B150;
|
---|
| 869 | #endif
|
---|
| 870 | #ifdef B134
|
---|
| 871 | if ((bitrate)>=134) return B134;
|
---|
| 872 | #endif
|
---|
| 873 | #ifdef B110
|
---|
| 874 | if ((bitrate)>=110) return B110;
|
---|
| 875 | #endif
|
---|
| 876 | #ifdef B75
|
---|
| 877 | if ((bitrate)>=75) return B75;
|
---|
| 878 | #endif
|
---|
| 879 | #ifdef B50
|
---|
| 880 | if ((bitrate)>=50) return B50;
|
---|
| 881 | #endif
|
---|
| 882 | #ifdef B0
|
---|
| 883 | if ((bitrate)>=0) return B0;
|
---|
| 884 | #endif
|
---|
| 885 | return 0; /* Should never get here */
|
---|
| 886 | }
|
---|
| 887 |
|
---|
| 888 | static bool IO_Serial_WaitToRead (int hnd, unsigned delay_ms, unsigned timeout_ms)
|
---|
| 889 | {
|
---|
| 890 | int rval;
|
---|
| 891 | struct pollfd ufds;
|
---|
| 892 |
|
---|
| 893 | if (delay_ms > 0)
|
---|
| 894 | {
|
---|
| 895 | #ifdef HAVE_NANOSLEEP
|
---|
| 896 | struct timespec req_ts;
|
---|
| 897 |
|
---|
| 898 | req_ts.tv_sec = delay_ms / 1000;
|
---|
| 899 | req_ts.tv_nsec = (delay_ms % 1000) * 1000000L;
|
---|
| 900 | nanosleep (&req_ts, NULL);
|
---|
| 901 | #else
|
---|
| 902 | usleep (delay_ms * 1000L);
|
---|
| 903 | #endif
|
---|
| 904 | }
|
---|
| 905 |
|
---|
| 906 | ufds.fd = hnd;
|
---|
| 907 | ufds.events = POLLIN;
|
---|
| 908 | ufds.revents = 0x0000;
|
---|
| 909 |
|
---|
| 910 | rval = poll (&ufds, 1, timeout_ms);
|
---|
| 911 | if (rval != 1)
|
---|
| 912 | return (FALSE);
|
---|
| 913 |
|
---|
| 914 | return (((ufds.revents) & POLLIN) == POLLIN);
|
---|
| 915 | }
|
---|
| 916 |
|
---|
| 917 | static bool IO_Serial_WaitToWrite (IO_Serial *io, unsigned delay_ms, unsigned timeout_ms)
|
---|
| 918 | {
|
---|
| 919 | int rval;
|
---|
| 920 | struct pollfd ufds;
|
---|
| 921 |
|
---|
| 922 | #ifdef SCI_DEV
|
---|
| 923 | if(io->com==RTYP_SCI)
|
---|
| 924 | return TRUE;
|
---|
| 925 | #endif
|
---|
| 926 |
|
---|
| 927 | if (delay_ms > 0)
|
---|
| 928 | {
|
---|
| 929 | #ifdef HAVE_NANOSLEEP
|
---|
| 930 | struct timespec req_ts;
|
---|
| 931 |
|
---|
| 932 | req_ts.tv_sec = delay_ms / 1000;
|
---|
| 933 | req_ts.tv_nsec = (delay_ms % 1000) * 1000000L;
|
---|
| 934 | nanosleep (&req_ts, NULL);
|
---|
| 935 | #else
|
---|
| 936 | usleep (delay_ms * 1000L);
|
---|
| 937 | #endif
|
---|
| 938 | }
|
---|
| 939 |
|
---|
| 940 | ufds.fd = io->fd;
|
---|
| 941 | ufds.events = POLLOUT;
|
---|
| 942 | ufds.revents = 0x0000;
|
---|
| 943 |
|
---|
| 944 | rval = poll (&ufds, 1, timeout_ms);
|
---|
| 945 | if (rval != 1)
|
---|
| 946 | return (FALSE);
|
---|
| 947 |
|
---|
| 948 | return (((ufds.revents) & POLLOUT) == POLLOUT);
|
---|
| 949 | }
|
---|
| 950 |
|
---|
| 951 | static void IO_Serial_Clear (IO_Serial * io)
|
---|
| 952 | {
|
---|
| 953 | io->fd = -1;
|
---|
| 954 | io->props = NULL;
|
---|
| 955 | io->com = 0;
|
---|
| 956 | memset (io->PnP_id, 0, IO_SERIAL_PNPID_SIZE);
|
---|
| 957 | io->PnP_id_size = 0;
|
---|
| 958 | io->usbserial = FALSE;
|
---|
| 959 | io->wr = 0;
|
---|
| 960 | }
|
---|
| 961 |
|
---|
| 962 | static void IO_Serial_SetPropertiesCache(IO_Serial * io, IO_Serial_Properties * props)
|
---|
| 963 | {
|
---|
| 964 | #ifdef SCI_DEV
|
---|
| 965 | if(io->com==RTYP_SCI)
|
---|
| 966 | return;
|
---|
| 967 | #endif
|
---|
| 968 |
|
---|
| 969 | if (io->props == NULL)
|
---|
| 970 | io->props = (IO_Serial_Properties *) malloc (sizeof (IO_Serial_Properties));
|
---|
| 971 | #ifdef DEBUG_IO
|
---|
| 972 | printf ("IO: Catching properties\n");
|
---|
| 973 | #endif
|
---|
| 974 |
|
---|
| 975 | memcpy (io->props, props, sizeof (IO_Serial_Properties));
|
---|
| 976 | }
|
---|
| 977 |
|
---|
| 978 | static bool IO_Serial_GetPropertiesCache(IO_Serial * io, IO_Serial_Properties * props)
|
---|
| 979 | {
|
---|
| 980 | if (io->props != NULL)
|
---|
| 981 | {
|
---|
| 982 | memcpy (props, io->props, sizeof (IO_Serial_Properties));
|
---|
| 983 | #if 0
|
---|
| 984 | #ifdef DEBUG_IO
|
---|
| 985 | printf("IO: Getting properties (catched): %ld bps; %d bits/byte; %s parity; %d stopbits; dtr=%d; rts=%d\n", props->input_bitrate, props->bits, props->parity == IO_SERIAL_PARITY_EVEN ? "Even" : props->parity == IO_SERIAL_PARITY_ODD ? "Odd" : "None", props->stopbits, props->dtr, props->rts);
|
---|
| 986 | #endif
|
---|
| 987 | #endif
|
---|
| 988 | return TRUE;
|
---|
| 989 | }
|
---|
| 990 |
|
---|
| 991 | return FALSE;
|
---|
| 992 | }
|
---|
| 993 |
|
---|
| 994 | static void IO_Serial_ClearPropertiesCache (IO_Serial * io)
|
---|
| 995 | {
|
---|
| 996 | #ifdef DEBUG_IO
|
---|
| 997 | printf ("IO: Clearing properties cache\n");
|
---|
| 998 | #endif
|
---|
| 999 | if (io->props != NULL)
|
---|
| 1000 | {
|
---|
| 1001 | free (io->props);
|
---|
| 1002 | io->props = NULL;
|
---|
| 1003 | }
|
---|
| 1004 | }
|
---|
| 1005 |
|
---|
| 1006 | static void IO_Serial_DeviceName (unsigned com, bool usbserial, char * filename, unsigned length)
|
---|
| 1007 | {
|
---|
[21] | 1008 | extern char oscam_device[];
|
---|
| 1009 | snprintf (filename, length, "%s", oscam_device);
|
---|
[8] | 1010 | // if(com==1)
|
---|
| 1011 | // snprintf (filename, length, "/dev/tts/%d", com - 1);
|
---|
| 1012 | // else
|
---|
| 1013 | // snprintf (filename, length, "/dev/sci%d", com - 2);
|
---|
| 1014 | }
|
---|
| 1015 |
|
---|
| 1016 | static bool IO_Serial_InitPnP (IO_Serial * io)
|
---|
| 1017 | {
|
---|
| 1018 | IO_Serial_Properties props;
|
---|
| 1019 | int i = 0;
|
---|
| 1020 | props.input_bitrate = 1200;
|
---|
| 1021 | props.output_bitrate = 1200;
|
---|
| 1022 | props.parity = IO_SERIAL_PARITY_NONE;
|
---|
| 1023 | props.bits = 7;
|
---|
| 1024 | props.stopbits = 1;
|
---|
| 1025 | props.dtr = IO_SERIAL_HIGH;
|
---|
| 1026 | // props.rts = IO_SERIAL_HIGH;
|
---|
| 1027 | props.rts = IO_SERIAL_LOW;
|
---|
| 1028 |
|
---|
| 1029 | if (!IO_Serial_SetProperties (io, &props))
|
---|
| 1030 | return FALSE;
|
---|
| 1031 |
|
---|
| 1032 | while ((i < IO_SERIAL_PNPID_SIZE) && IO_Serial_Read (io, 200, 1, &(io->PnP_id[i])))
|
---|
| 1033 | i++;
|
---|
| 1034 |
|
---|
| 1035 | io->PnP_id_size = i;
|
---|
| 1036 | return TRUE;
|
---|
| 1037 | }
|
---|