1 from string
import digits
3 from string
import maketrans
5 maketrans
= str.maketrans
8 # ============== common bsv templates ============ #
9 # first argument is the io-cell number being assigned.
10 # second argument is the mux value.
11 # Third argument is the signal from the pinmap file
13 rule assign_{2}_on_cell{0}(wrcell{0}_mux=={1});
18 rule assign_{1}_on_cell{0};
22 # ============================================================
23 digits
= maketrans('0123456789', ' ' * 10) # delete space later
27 return "cell%s_mux" % str(idx
)
31 temp
= temp
.split('_')
33 temp
[0] = temp
[0].translate(digits
)
34 temp
[0] = temp
[0] .replace(' ', '')
41 for cell
in p
.muxed_cells
:
42 p
.pinmux
+= " %s_out=" % cn(cell
[0])
43 for i
in range(0, len(cell
) - 2):
44 p
.pinmux
+= "wr%s" % cn(cell
[0]) + \
45 "==" + str(i
) + "?" + cell
[i
+ 1] + "_io:\n\t\t\t"
46 p
.pinmux
+= cell
[i
+ 2] + "_io"
48 # ======================================================== #
50 # check each cell if "peripheral input/inout" then assign its wire
51 # Here we check the direction of each signal in the dictionary.
52 # We choose to keep the dictionary within the code and not user-input
53 # since the interfaces are always standard and cannot change from
54 # user-to-user. Plus this also reduces human-error as well :)
55 for i
in range(0, len(cell
) - 1):
58 x
= ifaces
.getifacetype(temp
)
59 #print (cname, temp, x)
60 assert x
is not None, "ERROR: The signal : " + \
62 " of pinmap.txt isn't present \nin the current" + \
63 " dictionary. Update dictionary or fix-typo."
66 mux_wire
.format(cell
[0], i
, "wr" + cname
) + "\n"
69 mux_wire
.format(cell
[0], i
, "wr" + cname
+
71 # ============================================================ #
73 # ================== Logic for dedicated pins ========= #
74 for cell
in p
.dedicated_cells
:
75 p
.pinmux
+= " %s_out=%s_io;\n" % (cn(cell
[0]), cell
[1])
76 temp
= cell
[1].translate(digits
)
77 x
= ifaces
.getifacetype(temp
)
80 dedicated_wire
.format(cell
[0], "wr" + cell
[1]) + "\n"
83 dedicated_wire
.format(cell
[0], "wr" + cell
[1] + "_in") + "\n"
84 # =======================================================#