def SendIter(self, cmds):
# cmd : [address, data, rw]
rdata = []
for a, d, rw in cmds:
self.psel.value = 1
self.penable.value = 0
self.paddr.value = a
if rw:
self.pwdata.value = d
self.pwrite.value = 1
else:
self.pwdata.value = 0
self.pwrite.value = 0
self.buses.Write()
yield self.clk
self.penable.value = 1
self.buses.Write()
while True:
self.pready.Read()
if self.pready.value[0] == 1:
if not rw:
rdata.append(self.prdata.value)
break
yield self.clk
self.psel.value = 0
self.penable.value = 0
self.buses.Write()
if not RandProb(self.A, self.B):
yield self.clk
while not RandProb(self.A, self.B):
yield self.clk
self.buses.SetTo(0)
self.buses.Write()
yield self.clk
def SendIter(self, it):
for data in it:
self._D(data)
while True:
yield self.clk
self.ack.Read()
if self.ack.x[0] == 0 and self.ack.value[0] != 0:
break
super(Master, self).Get(data)
if not RandProb(self.A, self.B):
self._X()
yield self.clk
while not RandProb(self.A, self.B):
yield self.clk
self._X()
yield self.clk
def Send(self, data, imm=True):
while not (imm or RandProb(self.A, self.B)):
yield self.clk
self._D(data)
yield self.clk
super(Master, self).Get(data)
self._X()
yield self.clk
def Monitor(self):
while True:
yield self.clk
self.rdy.Read()
if self.rdy.x[0] != 0 or self.rdy.value[0] == 0:
continue
if self.ack.value[0] != 0:
self.data.Read()
super(Slave, self).Get(self.data)
self.ack.value[0] = RandProb(self.A, self.B)
self.ack.Write()
def Send(self, data, imm=True):
while not (imm or RandProb(self.A, self.B)):
yield self.clk
self._D(data)
while True:
yield self.clk
self.ack.Read()
if self.ack.x[0] == 0 and self.ack.value[0] != 0:
break
super(Master, self).Get(data)
self._X()
yield self.clk
def __init__(
self, rdy: Bus, ack: Bus, data: Bus,
clk: int, A=1, B=5, callbacks=list()
):
super(TwoWire.Slave, self).__init__(callbacks)
self.rdy = GetBus(rdy)
self.ack = GetBus(ack)
self.data = GetBus(data)
self.clk = GetEvent(clk)
self.A = A
self.B = B
self.ack.value[0] = RandProb(self.A, self.B)
self.ack.Write()
def MyMonitor(self, n):
for i in range(n):
while True:
yield self.clk
self.rdy.Read()
if self.rdy.x[0] != 0 or self.rdy.value[0] == 0:
continue
if self.ack.value[0] != 0:
self.data.Read()
super(TwoWire.Slave, self).Get(self.data)
break
self.ack.value[0] = RandProb(self.A, self.B)
self.ack.Write()
print("monitor done")
self.ack.value[0] = 0
self.ack.Write()
yield self.clk
def _Response(self): while True: yield self.clk self.wen.Read() self.ren.Read() if ( self.wen.x[0] != 0 or self.ren.x[0] != 0 or self.ren.value[0] == 0 and self.wen.value[0] == 0 ): continue if self.wait_req.value[0] == 0: self.addr.Read() if self.ren.value[0] == 1: rd_int = self.read_fn(self.addr.value[0]) rd = np.empty_like(self.rd.values[0]) rd[0] = rd_int self.resp.Append((rd,)) else: self.wd.Read() self.write_fn(self.addr.value[0], self.wd.value[0]) self.wait_req.value[0] = RandProb(self.A, self.B) self.wait_req.Write()
def __init__( self, wen: Bus, ren: Bus, wait_req: Bus, rval: Bus, addr: Bus, wd: Bus, rd: Bus, write_fn, read_fn, clk: int, A=1, B=5, Aresp=0, Bresp=1, read_callbacks=list() ): clk = GetEvent(clk) self.clk = clk self.write_fn = write_fn self.read_fn = read_fn self.A = B-A self.B = B ( self.wen, self.ren, self.wait_req, self.addr, self.wd ) = CreateBuses([wen, ren, wait_req, addr, wd]) self.rd = OneWire.Master(rval, rd, clk, callbacks=read_callbacks) self.resp = Response.Response(self.rd.SendIter, clk, Aresp, Bresp) self.wait_req.value[0] = RandProb(self.A, self.B) self.wait_req.Write() Fork(self._Response())
def _RandomLengthIt(A, B):
while not RandProb(A, B):
yield