pyinst: rsib.py annotate

annotate rsib.py @ 36:ff63d71e1383

Separate out data file reader into a new class for ease of reuse.

author	Daniel O'Connor <darius@dons.net.au>
date	Wed, 28 Sep 2011 11:45:52 +0930
parents	226ea06bc050
children	91b476ebc0f2

rev	line source
6 85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1 #!/usr/bin/env python
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	2
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	3 # Copyright (c) 2009
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	4 # Daniel O'Connor <darius@dons.net.au>. All rights reserved.
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	5 #
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	6 # Redistribution and use in source and binary forms, with or without
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	7 # modification, are permitted provided that the following conditions
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	8 # are met:
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	9 # 1. Redistributions of source code must retain the above copyright
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	10 # notice, this list of conditions and the following disclaimer.
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	11 # 2. Redistributions in binary form must reproduce the above copyright
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	12 # notice, this list of conditions and the following disclaimer in the
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	13 # documentation and/or other materials provided with the distribution.
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	14 #
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	15 # THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	18 # ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	25 # SUCH DAMAGE.
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	26 #
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	27
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	28 # Reverse engineered from the Linux library & example program at
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	29 # http://epsrv.astro.umk.pl/~ep/irbene/rsib/library/RSIB-Linux.zip
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	30 #
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	31 # There are 2 socket connections for some reason.
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	32 # The first seems to do [nearly] all the work
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	33 #
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	34 # Packets to the instrument
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	35 # On connection:
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	36 # -> 00 00 00 40
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	37 # <- 00 00 00 40 a0 04 00 00
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	38 #
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	39 # We need to echo back the last 4 bytes of the reply to a second
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	40 # socket opened to the same port. I don't know what that socket is for
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	41 # though.
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	42 #
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	43 # Send a command:
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	44 # -> 00 00 00 05 90 00 01 2a 49 44 4e 3f .......* IDN?
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	45 #
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	46 # Offs Value Meaning
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	47 # 00 00 ?
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	48 # 01 00 ?
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	49 # 02 00 ?
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	50 # 03 05 Length
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	51 # 04 90 MsgID
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	52 # 05 00 ?
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	53 # 06 03 Seq number
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	54 # 07 2a (*) Cmd byte 0
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	55 # 08 49 (I) Cmd byte 1
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	56 # 09 44 (D) Cmd byte 2
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	57 # 10 4a (N) Cmd byte 3
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	58 # 10 3f (?) Cmd byte 4
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	59 #
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	60 # Interactive program seems to cap length at 0x99 but perhaps the
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	61 # first 4 bytes are length.
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	62 #
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	63 # Reply to command:
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	64 # <- 00 00 00 23 80 00 01 52 6f 68 ...
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	65 #
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	66 # Offs Value Meaning
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	67 # 00 00 Length 31..24
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	68 # 01 00 23..16
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	69 # 02 00 15..8
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	70 # 03 23 7..0
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	71 # 04 80 MsgID
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	72 # 05 00 ?
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	73 # 06 01 Seq number
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	74
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	75 MSG_HELLO = 0x40 # We send this on connect
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	76 MSG_CMDREP = 0x80 # Reply from the instrument to us
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	77 MSG_CMD = 0x90 # Command to the instrument
14 55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	78 MSG_SRQ = 0x91 # Query SRQ
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	79
226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	80 import exceptions
6 85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	81 import socket
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	82
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	83 class RSIBDevice(object):
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	84 hello = '\x00\x00\x00\x40'
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	85 docmd = '\x00\x00\x00\x05\x90\x00\x01'
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	86
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	87 def __init__(self, host, port = None):
226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	88 if port == None:
226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	89 port = 2525
6 85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	90 self.host = host
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	91 self.port = port
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	92
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	93 s1 = socket.socket()
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	94 s1.settimeout(5)
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	95 s1.connect((self.host, self.port))
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	96 s1.send('\x00\x00\x00\x40')
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	97 rx = ''
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	98 while len(rx) < 8:
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	99 rx = rx + s1.recv(8)
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	100 if rx == '':
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	101 raise exceptions.IOError("EOF from device")
6 85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	102
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	103 s2 = socket.socket()
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	104 s2.settimeout(5)
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	105 s2.connect((self.host, self.port))
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	106 s2.send(rx[4:])
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	107
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	108 self.s1 = s1
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	109 self.s2 = s2
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	110 self.tag = 0
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	111
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	112 def write(self, cmd, timeout = 0.5):
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	113 """Send data (string) to the instrument"""
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	114 self.s1.settimeout(timeout)
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	115
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	116 if len(cmd) > 0x99:
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	117 raise exceptions.ValueError("Command too long")
6 85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	118
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	119 # Pre-increment for easy comparison in read
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	120 self.tag = (self.tag + 1) & 0xff
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	121 msg = '\x00\x00\x00' + chr(len(cmd)) + '\x90\x00' + chr(self.tag) + cmd
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	122 self.s1.send(msg)
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	123
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	124 def read(self, timeout = 0.5):
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	125 """Read data from the device, waits for up to timeout seconds for each TCP read"""
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	126
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	127 self.s1.settimeout(timeout)
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	128
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	129 # Fetch the header
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	130 rx = ''
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	131 while len(rx) < 7:
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	132 rx = self.s1.recv(7)
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	133 if rx == '':
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	134 raise exceptions.IOError("EOF from device")
6 85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	135
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	136 if self.tag != ord(rx[6]):
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	137 raise exceptions.IOError("Reply out of order, got 0x%02x expected 0x%02x" % (ord(rx[6]), self.tag))
6 85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	138
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	139 rxlen = ord(rx[0]) << 24 \| ord(rx[1]) << 16 \| ord(rx[2]) << 8 \| ord(rx[3])
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	140 #print "Msg ID 0x%02x" % (ord(rx[4]))
14 55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	141 if False and ord(rx[4]) != MSG_CMDREP:
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	142 raise exceptions.IOError("Unexpected Msg ID 0x%02x" % (ord(rx[4])))
14 55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	143
6 85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	144 if ord(rx[5]) != 0:
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	145 print "Mystery byte %d != 0" % (ord(rx[5]))
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	146 # Fetch the actual reply now we know the length
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	147 reply = ''
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	148 while len(reply) < rxlen:
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	149 rx = self.s1.recv(rxlen)
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	150 if rx == '':
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	151 raise exceptions.IOError("EOF from device")
6 85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	152 reply += rx
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	153
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	154 return(reply)
85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	155
14 55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	156 def queryrsb(self):
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	157 msg = '\x00\x00\x00\x00\xd1\x18\x00'
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	158 self.s2.send(msg)
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	159
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	160 reply = ''
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	161 while len(reply) < 7:
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	162 rx = self.s2.recv(7)
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	163 if rx == '':
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	164 raise exceptions.IOError("EOF from device")
14 55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	165 reply += rx
6 85dfc0babc36 Add basic RSIB parser and example program. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	166
14 55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	167 # '\x00\x00\x00\x00\x80\x04\x01' => STB = 4
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	168 if rx[4] != '\x80':
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	169 raise exceptions.IOError("Incorrect Msg ID in response to STB query")
14 55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	170
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	171 return ord(rx[5])
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	172
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	173 def waitsrq(self):
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	174 msg = '\x00\x00\x00\x00\xb1\x00\x00'
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	175
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	176 def testsrq(self):
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	177 msg = '\x00\x00\x00\x00\x91\x00\x00'
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	178 self.s2.send(msg)
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	179 reply = ''
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	180 while len(reply) < 7:
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	181 rx = self.s2.recv(7)
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	182 if rx == '':
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	183 raise exceptions.IOError("EOF from device")
14 55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	184 reply += rx
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	185
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	186 # 00 00 00 00 80 14 08 - SRQ = 0
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	187 # 00 00 00 00 a0 64 07 - SRQ = 1
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	188 if rx == '\x00\x00\x00\x00\x80\x14\x08':
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	189 return False
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	190 elif rx == '\x00\x00\x00\x00\xa0\x64\x07':
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	191 return True
55c8dae6d1db Add test code and some (not enabled) sequence checking. Daniel O'Connor <darius@dons.net.au> parents: 6 diff changeset	192 else:
26 226ea06bc050 Use "new" style exceptions. Daniel O'Connor <darius@dons.net.au> parents: 21 diff changeset	193 raise exceptions.IOError("Unknown SRQ byte sequence - " + str(map(ord, rx)))

Mercurial > ~darius > hgwebdir.cgi > pyinst

annotate rsib.py @ 36:ff63d71e1383