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Diffstat (limited to 'pyparallel/parallel/parallelwin32.py')
| -rw-r--r-- | pyparallel/parallel/parallelwin32.py | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/pyparallel/parallel/parallelwin32.py b/pyparallel/parallel/parallelwin32.py deleted file mode 100644 index 5754578..0000000 --- a/pyparallel/parallel/parallelwin32.py +++ /dev/null @@ -1,131 +0,0 @@ -#pyparallel driver for win32 -#see __init__.py -# -#(C) 2002 Chris Liechti <cliechti@gmx.net> -# this is distributed under a free software license, see license.txt -# -# thanks to Dincer Aydin dinceraydin@altavista.net for his work on the -# winioport module: www.geocities.com/dinceraydin/ the graphic below is -# borrowed form him ;-) - - -# LPT1 = 0x0378 or 0x03BC -# LPT2 = 0x0278 or 0x0378 -# LPT3 = 0x0278 -# -# Data Register (base + 0) ........ outputs -# -# 7 6 5 4 3 2 1 0 -# . . . . . . . * D0 ........... (pin 2), 1=High, 0=Low (true) -# . . . . . . * . D1 ........... (pin 3), 1=High, 0=Low (true) -# . . . . . * . . D2 ........... (pin 4), 1=High, 0=Low (true) -# . . . . * . . . D3 ........... (pin 5), 1=High, 0=Low (true) -# . . . * . . . . D4 ........... (pin 6), 1=High, 0=Low (true) -# . . * . . . . . D5 ........... (pin 7), 1=High, 0=Low (true) -# . * . . . . . . D6 ........... (pin 8), 1=High, 0=Low (true) -# * . . . . . . . D7 ........... (pin 9), 1=High, 0=Low (true) -# -# Status Register (base + 1) ...... inputs -# -# 7 6 5 4 3 2 1 0 -# . . . . . * * * Undefined -# . . . . * . . . Error ........ (pin 15), high=1, low=0 (true) -# . . . * . . . . Selected ..... (pin 13), high=1, low=0 (true) -# . . * . . . . . No paper ..... (pin 12), high=1, low=0 (true) -# . * . . . . . . Ack .......... (pin 10), high=1, low=0 (true) -# * . . . . . . . Busy ......... (pin 11), high=0, low=1 (inverted) -# -# ctrl Register (base + 2) ..... outputs -# -# 7 6 5 4 3 2 1 0 -# . . . . . . . * Strobe ....... (pin 1), 1=low, 0=high (inverted) -# . . . . . . * . Auto Feed .... (pin 14), 1=low, 0=high (inverted) -# . . . . . * . . Initialize ... (pin 16), 1=high,0=low (true) -# . . . . * . . . Select ....... (pin 17), 1=low, 0=high (inverted) -# * * * * . . . . Unused - -LPT1 = 0 -LPT2 = 1 - -LPT1_base = 0x0378 -LPT2_base = 0x0278 - -import ctypes -import os -#need to patch PATH so that the DLL can be found and loaded -os.environ['PATH'] = os.environ['PATH'] + ';' + os.path.abspath(os.path.dirname(__file__)) -#fake module, names of the functions are the same as in the old _pyparallel -#python extension in earlier versions of this modules -_pyparallel = ctypes.windll.simpleio -#need to initialize giveio on WinNT based systems -if _pyparallel.init(): - raise IOError('Could not access the giveio driver which is required on NT based systems.') - - -class Parallel: - def __init__(self, port = LPT1): - if port == LPT1: - self.dataRegAdr = LPT1_base - elif port == LPT2: - self.dataRegAdr = LPT2_base - else: - raise ValueError("No such port available - expecting a number") - self.statusRegAdr = self.dataRegAdr + 1 - self.ctrlRegAdr = self.dataRegAdr + 2 - self.ctrlReg = _pyparallel.inp(self.ctrlRegAdr) - - def setData(self, value): - _pyparallel.outp(self.dataRegAdr, value) - - # control register output functions - def setDataStrobe(self, level): - """data strobe bit""" - if level: - self.ctrlReg = self.ctrlReg & ~0x01 - else: - self.ctrlReg = self.ctrlReg | 0x01 - _pyparallel.outp(self.ctrlRegAdr, self.ctrlReg) - - def setAutoFeed(self, level): - """auto feed bit""" - if level: - self.ctrlReg = self.ctrlReg & ~0x02 - else: - self.ctrlReg = self.ctrlReg | 0x02 - _pyparallel.outp(self.ctrlRegAdr, self.ctrlReg) - - def setInitOut(self, level): - """initialize bit""" - if level: - self.ctrlReg = self.ctrlReg | 0x04 - else: - self.ctrlReg = self.ctrlReg & ~0x04 - _pyparallel.outp(self.ctrlRegAdr, self.ctrlReg) - - def setSelect(self, level): - """select bit""" - if level: - self.ctrlReg = self.ctrlReg & ~0x08 - else: - self.ctrlReg = self.ctrlReg | 0x08 - _pyparallel.outp(self.ctrlRegAdr, self.ctrlReg) - - def getInError(self): - """Error pin""" - return _pyparallel.inp(self.statusRegAdr) & 0x08 and 1 - - def getInSelected(self): - """select pin""" - return _pyparallel.inp(self.statusRegAdr) & 0x10 and 1 - - def getInPaperOut(self): - """paper out pin""" - return _pyparallel.inp(self.statusRegAdr) & 0x20 and 1 - - def getInAcknowledge(self): - """Acknowledge pin""" - return _pyparallel.inp(self.statusRegAdr) & 0x40 and 1 - - def getInBusy(self): - """input from busy pin""" - return not (_pyparallel.inp(self.statusRegAdr) & 0x80) |