|
|
|
|
The MyHDL manual |
|
|
|
Previous: 3.1.1 Conditional
instantiation Up: 3.1
Structural modeling Next: 3.1.3
Inferring the list
3.1.2 Arrays of instances
Python lists are easy to create. We can use them
to model arrays of instances.
Suppose we have a top module that instantiates a
single channel submodule, as follows:
def top(...):
din = Signal(0)
dout = Signal(0)
clk = Signal(bool(0))
reset = Signal(bool(0))
channel_inst = channel(dout, din, clk, reset)
return channel_inst
If we wanted to support an arbitrary number of
channels, we can use lists of signals and a list of instances, as follows:
def top(..., n=8):
din = [Signal(0) for i in range(n)]
dout = [Signal(0) for i in range(n)] ###
clk = Signal(bool(0))
reset = Signal(bool(0))
channel_inst = [None for i in range(n)]
for i in range(n):
channel_inst[i] = channel(dout[i], din[i], clk, reset)
return channel_inst
|
|
|
|
The MyHDL manual |
|
|
|
Previous: 3.1.1
Conditional instantiation Up: 3.1 Structural
modeling Next: 3.1.3
Inferring the list
Release
0.4, documentation updated on February 4, 2004.
