[51] | 1 | # Simulator for the pyuipc module
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| 2 | #------------------------------------------------------------------------------
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| 3 |
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[52] | 4 | import const
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| 5 |
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[51] | 6 | import time
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| 7 |
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| 8 | #------------------------------------------------------------------------------
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| 9 |
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| 10 | # Version constants
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| 11 | SIM_ANY=0
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| 12 | SIM_FS98=1
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| 13 | SIM_FS2K=2
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| 14 | SIM_CFS2=3
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| 15 | SIM_CFS1=4
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| 16 | SIM_FLY=5
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| 17 | SIM_FS2K2=6
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| 18 | SIM_FS2K4=7
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| 19 |
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| 20 | #------------------------------------------------------------------------------
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| 21 |
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| 22 | # Error constants
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| 23 | ERR_OK=0
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| 24 | ERR_OPEN=1
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| 25 | ERR_NOFS=2
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| 26 | ERR_REGMSG=3
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| 27 | ERR_ATOM=4
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| 28 | ERR_MAP=5
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| 29 | ERR_VIEW=6
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| 30 | ERR_VERSION=7
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| 31 | ERR_WRONGFS=8
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| 32 | ERR_NOTOPEN=9
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| 33 | ERR_NODATA=10
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| 34 | ERR_TIMEOUT=11
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| 35 | ERR_SENDMSG=12
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| 36 | ERR_DATA=13
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| 37 | ERR_RUNNING=14
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| 38 | ERR_SIZE=15
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| 39 |
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| 40 | #------------------------------------------------------------------------------
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| 41 |
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| 42 | # The version of FSUIPC
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| 43 | fsuipc_version=0x0401
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| 44 | lib_version=0x0302
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| 45 | fs_version=SIM_FS2K4
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| 46 |
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| 47 | #------------------------------------------------------------------------------
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| 48 |
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| 49 | class FSUIPCException(Exception):
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| 50 | """FSUIPC exception class.
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| 51 |
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| 52 | It contains a member variable named errorCode. The string is a text
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| 53 | describing the error."""
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| 54 |
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| 55 | errors=["OK",
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| 56 | "Attempt to Open when already Open",
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| 57 | "Cannot link to FSUIPC or WideClient",
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| 58 | "Failed to Register common message with Windows",
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| 59 | "Failed to create Atom for mapping filename",
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| 60 | "Failed to create a file mapping object",
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| 61 | "Failed to open a view to the file map",
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| 62 | "Incorrect version of FSUIPC, or not FSUIPC",
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| 63 | "Sim is not version requested",
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| 64 | "Call cannot execute, link not Open",
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| 65 | "Call cannot execute: no requests accumulated",
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| 66 | "IPC timed out all retries",
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| 67 | "IPC sendmessage failed all retries",
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| 68 | "IPC request contains bad data",
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| 69 | "Maybe running on WideClient, but FS not running on Server, or wrong FSUIPC",
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| 70 | "Read or Write request cannot be added, memory for Process is full"]
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| 71 |
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| 72 | def __init__(self, errorCode):
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| 73 | """
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| 74 | Construct the exception
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| 75 | """
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| 76 | if errorCode<len(self.errors):
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| 77 | self.errorString = self.errors[errorCode]
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| 78 | else:
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| 79 | self.errorString = "Unknown error"
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| 80 | Exception.__init__(self, self.errorString)
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| 81 | self.errorCode = errorCode
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| 82 |
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| 83 | def __str__(self):
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| 84 | """
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| 85 | Convert the excption to string
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| 86 | """
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| 87 | return "FSUIPC error: %d (%s)" % (self.errorCode, self.errorString)
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| 88 |
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| 89 | #------------------------------------------------------------------------------
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| 90 |
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[52] | 91 | class Values(object):
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| 92 | """The values that can be read from 'FSUIPC'."""
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| 93 | # Fuel data index: centre tank
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| 94 | FUEL_CENTRE = 0
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| 95 |
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| 96 | # Fuel data index: left main tank
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| 97 | FUEL_LEFT = 1
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| 98 |
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| 99 | # Fuel data index: right main tank
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| 100 | FUEL_RIGHT = 2
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| 101 |
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| 102 | # Fuel data index: left aux tank
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| 103 | FUEL_LEFT_AUX = 3
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| 104 |
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| 105 | # Fuel data index: right aux tank
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| 106 | FUEL_RIGHT_AUX = 4
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| 107 |
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| 108 | # Fuel data index: left tip tank
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| 109 | FUEL_LEFT_TIP = 5
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| 110 |
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| 111 | # Fuel data index: right tip tank
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| 112 | FUEL_RIGHT_AUX = 6
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| 113 |
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| 114 | # Fuel data index: external 1 tank
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| 115 | FUEL_EXTERNAL_1 = 7
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| 116 |
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| 117 | # Fuel data index: external 2 tank
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| 118 | FUEL_EXTERNAL_2 = 8
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| 119 |
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| 120 | # Fuel data index: centre 2 tank
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| 121 | FUEL_CENTRE_2 = 9
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| 122 |
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| 123 | # The number of fuel tank entries
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| 124 | NUM_FUEL = FUEL_CENTRE_2 + 1
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| 125 |
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| 126 | # Engine index: engine #1
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| 127 | ENGINE_1 = 0
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| 128 |
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| 129 | # Engine index: engine #2
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| 130 | ENGINE_2 = 1
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| 131 |
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| 132 | # Engine index: engine #3
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| 133 | ENGINE_3 = 2
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| 134 |
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| 135 | @staticmethod
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| 136 | def _convertFrequency(frequency):
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| 137 | """Convert the given frequency into BCD."""
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| 138 | return Values._convertBCD(int(frequency-100.0)*100)
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| 139 |
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| 140 | @staticmethod
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| 141 | def _convertBCD(value):
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| 142 | """Convert the given value into BCD format."""
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| 143 | bcd = (value/1000) % 10
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| 144 | bcd <<= 4
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| 145 | bcd |= (value/100) & 10
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| 146 | bcd <<= 4
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| 147 | bcd |= (value/10) % 10
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| 148 | bcd <<= 4
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| 149 | bcd |= value % 10
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| 150 | return bcd
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| 151 |
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| 152 | def __init__(self):
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| 153 | """Construct the values with defaults."""
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| 154 | self._timeOffset = 0
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| 155 | self.airPath = "C:\\Program Files\\Microsoft Games\\" \
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| 156 | "FS9\\Aircraft\\Cessna\\cessna172.air"
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| 157 | self.aircraftName = "Cessna 172SP"
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| 158 | self.flapsNotches = [0, 1, 2, 5, 10, 15, 25, 30, 40]
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| 159 | self.fuelCapacities = [10000.0, 5000.0, 5000.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
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| 160 |
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| 161 | self.paused = False
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| 162 | self.frozen = False
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| 163 | self.replay = False
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| 164 | self.slew = False
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| 165 | self.overspeed = False
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| 166 | self.stalled = False
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| 167 | self.onTheGround = True
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| 168 |
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| 169 | self.zfw = 50000.0
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| 170 |
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| 171 | self.fuelWeights = [0.0, 3000.0, 3000.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
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| 172 | # FIXME: check for realistic values
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| 173 | self.fuelWeight = 3.5
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| 174 |
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| 175 | self.heading = 220.0
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| 176 | self.pitch = 0.0
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| 177 | self.bank = 0.0
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| 178 |
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| 179 | self.ias = 0.0
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| 180 | self.vs = 0.0
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| 181 |
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| 182 | self.radioAltitude = None
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| 183 | self.altitude = 513.0
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| 184 |
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| 185 | self.gLoad = 1.0
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| 186 |
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| 187 | self.flapsControl = 0.0
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| 188 | self.flaps = 0.0
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| 189 |
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| 190 | self.navLightsOn = True
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| 191 | self.antiCollisionLightsOn = False
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| 192 | self.landingLightsOn = False
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| 193 | self.strobeLightsOn = False
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| 194 |
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| 195 | self.pitot = False
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| 196 | self.parking = True
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| 197 |
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| 198 | self.noseGear = 1.0
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| 199 |
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| 200 | self.spoilersArmed = False
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| 201 | self.spoilers = 0.0
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| 202 |
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| 203 | self.altimeter = 1013.0
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| 204 |
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| 205 | self.nav1 = 117.3
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| 206 | self.nav2 = 109.5
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| 207 | self.squawk = 2200
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| 208 |
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| 209 | self.windSpeed = 8.0
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| 210 | self.windDirection = 300.0
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| 211 |
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| 212 | self.n1 = [0.0, 0.0, 0.0]
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| 213 | self.throttles = [0.0, 0.0, 0.0]
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| 214 |
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| 215 | def read(self, offset):
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| 216 | """Read the value at the given offset."""
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| 217 | try:
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| 218 | return self._read(offset)
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| 219 | except Exception, e:
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| 220 | print "failed to read offset %04x: %s" % (offset, str(e))
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| 221 | raise FSUIPCException(ERR_DATA)
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| 222 |
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| 223 | def _read(self, offset):
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| 224 | """Read the value at the given offset."""
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| 225 | if offset==0x023a: # Second of time
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| 226 | return self._readUTC().tm_sec
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| 227 | elif offset==0x023b: # Hour of Zulu time
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| 228 | return self._readUTC().tm_hour
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| 229 | elif offset==0x023c: # Minute of Zulu time
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| 230 | return self._readUTC().tm_min
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| 231 | elif offset==0x023e: # Day number on year
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| 232 | return self._readUTC().tm_yday
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| 233 | elif offset==0x0240: # Year in FS
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| 234 | return self._readUTC().tm_year
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| 235 | elif offset==0x0264: # Paused
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| 236 | return 1 if self.paused else 0
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| 237 | elif offset==0x029c: # Pitot
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| 238 | return 1 if self.pitot else 0
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| 239 | elif offset==0x02b4: # Ground speed
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| 240 | # FIXME: calculate TAS first, then from the heading and
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| 241 | # wind the GS
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| 242 | return int(self.ias * 65536.0 * 1852.0 / 3600.0)
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| 243 | elif offset==0x02bc: # IAS
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| 244 | return int(self.ias * 128.0)
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| 245 | elif offset==0x02c8: # VS
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| 246 | return int(self.vs * const.FEETTOMETRES * 256.0 / 60.0)
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| 247 | elif offset==0x0330: # Altimeter
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| 248 | return int(self.altimeter * 16.0)
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| 249 | elif offset==0x0350: # NAV1
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| 250 | return Values._convertFrequency(self.nav1)
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| 251 | elif offset==0x0352: # NAV2
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| 252 | return Values._convertFrequency(self.nav2)
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| 253 | elif offset==0x0354: # Squawk
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| 254 | return Values._convertBCD(self.squawk)
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| 255 | elif offset==0x0366: # Stalled
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| 256 | return 1 if self.stalled else 0
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| 257 | elif offset==0x036c: # Stalled
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| 258 | return 1 if self.stalled else 0
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| 259 | elif offset==0x036d: # Overspeed
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| 260 | return 1 if self.overspeed else 0
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| 261 | elif offset==0x0570: # Altitude
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| 262 | return long(self.altitude * const.FEETTOMETRES * 65536.0 * 65536.0)
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| 263 | elif offset==0x0578: # Pitch
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| 264 | return int(self.pitch * 65536.0 * 65536.0 / 360.0)
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| 265 | elif offset==0x057c: # Bank
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| 266 | return int(self.bank * 65536.0 * 65536.0 / 360.0)
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| 267 | elif offset==0x0580: # Heading
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| 268 | return int(self.heading * 65536.0 * 65536.0 / 360.0)
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| 269 | elif offset==0x05dc: # Slew
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| 270 | return 1 if self.slew else 0
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| 271 | elif offset==0x0628: # Replay
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| 272 | return 1 if self.replay else 0
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| 273 | elif offset==0x088c: # Engine #1 throttle
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| 274 | return self._getThrottle(self.ENGINE_1)
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| 275 | elif offset==0x0924: # Engine #2 throttle
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| 276 | return self._getThrottle(self.ENGINE_2)
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| 277 | elif offset==0x09bc: # Engine #3 throttle
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| 278 | return self._getThrottle(self.ENGINE_3)
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| 279 | elif offset==0x0af4: # Fuel weight
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| 280 | return int(self.fuelWeight * 256.0)
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| 281 | elif offset==0x0b74: # Centre tank level
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| 282 | return self._getFuelLevel(self.FUEL_CENTRE)
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| 283 | elif offset==0x0b78: # Centre tank capacity
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| 284 | return self._getFuelCapacity(self.FUEL_CENTRE)
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| 285 | elif offset==0x0b7c: # Left tank level
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| 286 | return self._getFuelLevel(self.FUEL_LEFT)
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| 287 | elif offset==0x0b80: # Left tank capacity
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| 288 | return self._getFuelCapacity(self.FUEL_LEFT)
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| 289 | elif offset==0x0b84: # Left aux tank level
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| 290 | return self._getFuelLevel(self.FUEL_LEFT_AUX)
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| 291 | elif offset==0x0b88: # Left aux tank capacity
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| 292 | return self._getFuelCapacity(self.FUEL_LEFT_AUX)
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| 293 | elif offset==0x0b8c: # Left tip tank level
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| 294 | return self._getFuelLevel(self.FUEL_LEFT_TIP)
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| 295 | elif offset==0x0b90: # Left tip tank capacity
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| 296 | return self._getFuelCapacity(self.FUEL_LEFT_TIP)
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| 297 | elif offset==0x0b94: # Right aux tank level
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| 298 | return self._getFuelLevel(self.FUEL_RIGHT_AUX)
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| 299 | elif offset==0x0b98: # Right aux tank capacity
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| 300 | return self._getFuelCapacity(self.FUEL_RIGHT_AUX)
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| 301 | elif offset==0x0b9c: # Right tank level
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| 302 | return self._getFuelLevel(self.FUEL_RIGHT)
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| 303 | elif offset==0x0ba0: # Right tank capacity
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| 304 | return self._getFuelCapacity(self.FUEL_RIGHT)
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| 305 | elif offset==0x0ba4: # Right tip tank level
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| 306 | return self._getFuelLevel(self.FUEL_RIGHT_TIP)
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| 307 | elif offset==0x0ba8: # Right tip tank capacity
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| 308 | return self._getFuelCapacity(self.FUEL_RIGHT_TIP)
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| 309 | elif offset==0x0bc8: # Parking
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| 310 | return 1 if self.parking else 0
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| 311 | elif offset==0x0bcc: # Spoilers armed
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| 312 | return 1 if self.spoilersArmed else 0
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| 313 | elif offset==0x0bd0: # Spoilers
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| 314 | return 0 if self.spoilers == 0 \
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| 315 | else int(self.spoilers * (16383 - 4800) + 4800)
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| 316 | elif offset==0x0bdc: # Flaps control
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| 317 | numNotchesM1 = len(self.flapsNotches) - 1
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| 318 | flapsIncrement = 16383.0 / numNotchesM1
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| 319 | index = 0
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| 320 | while index<numNotchesM1 and \
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| 321 | self.flapsControl<self.flapsNotches[index]:
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| 322 | index += 1
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| 323 |
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| 324 | if index==numNotchesM1:
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| 325 | return 16383
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| 326 | else:
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| 327 | return int((self.flapsControl-self.flapsNotches[index]) * \
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| 328 | flapsIncrement / \
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| 329 | (self.flapsNotches[index+1] - self.flapsNotches[index]))
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| 330 | elif offset==0x0be0 or offset==0x0be4: # Flaps left and right
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| 331 | return self.flaps * 16383.0 / self.flapsNotches[-1]
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| 332 | elif offset==0x0bec: # Nose gear
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| 333 | return int(self.noseGear * 16383.0)
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| 334 | elif offset==0x0d0c: # Lights
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| 335 | lights = 0
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| 336 | if self.navLightsOn: lights |= 0x01
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| 337 | if self.antiCollisionLightsOn: lights |= 0x02
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| 338 | if self.landingLightsOn: lights |= 0x04
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| 339 | if self.strobeLightsOn: lights |= 0x10
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| 340 | return lights
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| 341 | elif offset==0x0e90: # Wind speed
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| 342 | return int(self.windSpeed)
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| 343 | elif offset==0x0e92: # Wind direction
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| 344 | return int(self.windDirection * 65536.0 / 360.0)
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| 345 | elif offset==0x11ba: # G-Load
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| 346 | return int(self.gLoad * 625.0)
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| 347 | elif offset==0x11c6: # Mach
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| 348 | # FIXME: calculate from IAS, altitude and QNH
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| 349 | return int(self.ias * 0.05 * 20480.)
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| 350 | elif offset==0x1244: # Centre 2 tank level
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| 351 | return self._getFuelLevel(self.FUEL_CENTRE_2)
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| 352 | elif offset==0x1248: # Centre 2 tank capacity
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| 353 | return self._getFuelCapacity(self.FUEL_CENTRE_2)
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| 354 | elif offset==0x1254: # External 1 tank level
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| 355 | return self._getFuelLevel(self.FUEL_EXTERNAL_1)
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| 356 | elif offset==0x1258: # External 1 tank capacity
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| 357 | return self._getFuelCapacity(self.FUEL_EXTERNAL_1)
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| 358 | elif offset==0x125c: # External 2 tank level
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| 359 | return self._getFuelLevel(self.FUEL_EXTERNAL_2)
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| 360 | elif offset==0x1260: # External 2 tank capacity
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| 361 | return self._getFuelCapacity(self.FUEL_EXTERNAL_2)
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| 362 | elif offset==0x2000: # Engine #1 N1
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| 363 | return self.n1[self.ENGINE_1]
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| 364 | elif offset==0x2100: # Engine #2 N1
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| 365 | return self.n1[self.ENGINE_2]
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| 366 | elif offset==0x2200: # Engine #3 N1
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| 367 | return self.n1[self.ENGINE_3]
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| 368 | elif offset==0x30c0: # Grossweight
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| 369 | return (self.zfw + sum(self.fuelWeights)) * const.KGSTOLB
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| 370 | elif offset==0x31e4: # Radio altitude
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| 371 | # FIXME: if self.radioAltitude is None, calculate from the
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| 372 | # altitude with some, perhaps random, ground altitude
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| 373 | # value
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| 374 | radioAltitude = (self.altitude - 517) \
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| 375 | if self.radioAltitude is None else self.radioAltitude
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| 376 | return (radioAltitude * const.FEETTOMETRES * 65536.0)
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| 377 | elif offset==0x3364: # Frozen
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| 378 | return 1 if self.frozen else 0
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| 379 | elif offset==0x3bfc: # ZFW
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| 380 | return int(self.zfw) * 256.0 * const.KGSTOLB
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| 381 | elif offset==0x3c00: # Path of the current AIR file
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| 382 | return self.airPath
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| 383 | elif offset==0x3d00: # Name of the current aircraft
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| 384 | return self.aircraftName
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| 385 | else:
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| 386 | print "Unhandled offset: %04x" % (offset,)
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| 387 | raise FSUIPCException(ERR_DATA)
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| 388 |
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| 389 | def _readUTC(self):
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| 390 | """Read the UTC time.
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| 391 |
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| 392 | The current offset is added to it."""
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| 393 | return time.gmtime(time.time() + self._timeOffset)
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| 394 |
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| 395 | def _getFuelLevel(self, index):
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| 396 | """Get the fuel level for the fuel tank with the given
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| 397 | index."""
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| 398 | # FIXME: check if the constants are correct
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| 399 | return 0 if self.fuelCapacities[index]==0.0 else \
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| 400 | int(self.fuelWeights[index] * 65536.0 / self.fuelCapacities[index])
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| 401 |
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| 402 | def _getFuelCapacity(self, index):
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| 403 | """Get the capacity of the fuel tank with the given index."""
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| 404 | # FIXME: check if the constants are correct
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| 405 | return int(self.fuelCapacities[index] * const.KGSTOLB * 128.0 /
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| 406 | self.fuelWeight)
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| 407 |
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| 408 | def _getThrottle(self, index):
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| 409 | """Get the throttle value for the given index."""
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| 410 | return int(self.throttles[index] * 16383.0)
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| 411 |
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| 412 | #------------------------------------------------------------------------------
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| 413 |
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| 414 | values = Values()
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| 415 |
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| 416 | #------------------------------------------------------------------------------
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| 417 |
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[51] | 418 | def open(request):
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| 419 | """Open the connection."""
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| 420 | return True
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| 421 |
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| 422 | #------------------------------------------------------------------------------
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| 423 |
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| 424 | def prepare_data(pattern, forRead = True):
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| 425 | """Prepare the given pattern for reading and/or writing."""
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| 426 | return pattern
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| 427 |
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| 428 | #------------------------------------------------------------------------------
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| 429 |
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| 430 | def read(data):
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| 431 | """Read the given data."""
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[52] | 432 | return [values.read(offset) for (offset, type) in data]
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[51] | 433 |
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| 434 | #------------------------------------------------------------------------------
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| 435 |
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| 436 | def close():
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| 437 | """Close the connection."""
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| 438 | pass
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| 439 |
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| 440 | #------------------------------------------------------------------------------
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