Source code for hwtLib.interfaces.addrDataHs

from hwt.interfaces.agents.handshaked import HandshakedAgent
from hwt.interfaces.std import VectSignal, HandshakeSync
from hwt.synthesizer.param import Param


[docs]class AddrDataHsAgent(HandshakedAgent):
[docs]    def doWrite(self, s, data):
        i = self.intf
        w = s.write
        if data is None:
            addr, d = None, None
        else:
            addr, d = data

        w(addr, i.addr)
        w(d, i.data)

[docs]    def doRead(self, s):
        i = self.intf
        r = s.read
        return r(i.addr), r(i.data), r(i.mask)


[docs]class AddrDataHs(HandshakeSync):
[docs]    def _config(self):
        self.ADDR_WIDTH = Param(8)
        self.DATA_WIDTH = Param(8)

[docs]    def _declr(self):
        super(AddrDataHs, self)._declr()
        self.addr = VectSignal(self.ADDR_WIDTH)
        self.data = VectSignal(self.DATA_WIDTH)

[docs]    def _initSimAgent(self):
        self._ag = AddrDataHsAgent(self)


[docs]class AddrDataMaskHsAgent(HandshakedAgent):
[docs]    def doWrite(self, s, data):
        i = self.intf
        w = s.write
        if data is None:
            addr, d, mask = None, None, None
        else:
            addr, d, mask = data

        w(addr, i.addr)
        w(d, i.data)
        w(mask, i.mask)

[docs]    def doRead(self, s):
        i = self.intf
        r = s.read
        return r(i.addr), r(i.data), r(i.mask)


[docs]class AddrDataBitMaskHs(AddrDataHs):
[docs]    def _declr(self):
        super(AddrDataBitMaskHs, self)._declr()
        self.mask = VectSignal(self.DATA_WIDTH)

[docs]    def _initSimAgent(self):
        self._ag = AddrDataMaskHsAgent(self)