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Line 1... |
################################################################################
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################################################################################
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#
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#
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# Copyright 2012-2014, Sinclair R.F., Inc.
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# Copyright 2012-2015, Sinclair R.F., Inc.
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#
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#
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################################################################################
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################################################################################
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|
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import math;
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import math;
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import re;
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import re;
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baudmethod
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baudmethod
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specifies the method to generate the desired bit rate:
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specifies the method to generate the desired bit rate:
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1st method: clk/rate
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1st method: clk/rate
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clk is the frequency of "i_clk" in Hz
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clk is the frequency of "i_clk" in Hz
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a number will be interpreted as the clock frequency in Hz
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a number will be interpreted as the clock frequency in Hz
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a symbol will be interpreted as a parameter
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a symbol will be interpreted as a constant or a parameter
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Note: this parameter must have been declared with a "PARAMETER"
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Note: the symbol must be declared with the CONSTANT, LOCALPARARM,
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command
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or PARAMETER configuration command.
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rate is the desired baud rate
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rate is the desired baud rate
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this is specified as per "clk"
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this is specified as per "clk"
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2nd method:
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2nd method:
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specify the number of "i_clk" clock cycles between bit edges
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specify the number of "i_clk" clock cycles between bit edges
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Note: clk, rate, and count can be parameters or constants. For example,
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Note: clk, rate, and count can be parameters or constants. For example,
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Line 116... |
( 'CTS', r'i_\w+$', None, ),
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( 'CTS', r'i_\w+$', None, ),
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( 'CTSn', r'i_\w+$', None, ),
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( 'CTSn', r'i_\w+$', None, ),
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( 'baudmethod', r'\S+$', lambda v : self.RateMethod(config,v), ),
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( 'baudmethod', r'\S+$', lambda v : self.RateMethod(config,v), ),
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( 'noOutFIFO', None, None, ),
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( 'noOutFIFO', None, None, ),
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( 'nStop', r'[12]$', int, ),
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( 'nStop', r'[12]$', int, ),
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( 'outFIFO', r'[1-9]\d*$', lambda v : self.IntPow2(v), ),
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( 'outFIFO', r'[1-9]\d*$', lambda v : self.IntPow2Method(config,v), ),
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( 'outport', r'O_\w+$', None, ),
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( 'outport', r'O_\w+$', None, ),
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( 'outsignal', r'o_\w+$', None, ),
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( 'outsignal', r'o_\w+$', None, ),
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( 'outstatus', r'I_\w+$', None, ),
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( 'outstatus', r'I_\w+$', None, ),
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);
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);
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names = [a[0] for a in allowables];
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names = [a[0] for a in allowables];
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( 'CTS', 1, 'input', ),
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( 'CTS', 1, 'input', ),
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( 'CTSn', 1, 'input', ),
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( 'CTSn', 1, 'input', ),
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):
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):
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if hasattr(self,ioEntry[0]):
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if hasattr(self,ioEntry[0]):
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config.AddIO(getattr(self,ioEntry[0]),ioEntry[1],ioEntry[2],loc);
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config.AddIO(getattr(self,ioEntry[0]),ioEntry[1],ioEntry[2],loc);
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config.AddSignal('s__%s__Tx' % self.namestring,8,loc);
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config.AddSignalWithInit('s__%s__Tx' % self.namestring,8,None,loc);
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config.AddSignal('s__%s__Tx_busy' % self.namestring,1,loc);
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config.AddSignal('s__%s__Tx_busy' % self.namestring,1,loc);
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config.AddSignal('s__%s__Tx_wr' % self.namestring,1,loc);
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config.AddSignalWithInit('s__%s__Tx_wr' % self.namestring,1,None,loc);
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config.AddOutport((self.outport,False,
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config.AddOutport((self.outport,False,
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('s__%s__Tx' % self.namestring,8,'data',),
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('s__%s__Tx' % self.namestring,8,'data',),
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('s__%s__Tx_wr' % self.namestring,1,'strobe',),
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('s__%s__Tx_wr' % self.namestring,1,'strobe',),
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),loc);
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),loc);
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config.AddInport((self.outstatus,
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config.AddInport((self.outstatus,
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