def le(width, I0, I1, **kwargs):
if I0.isinput():
return m.Type.__le__(I0, I1)
if isinstance(I0, m.SIntType):
return SLE(width, **kwargs)(I0, I1)
else:
return ULE(width, **kwargs)(I0, I1)
def test_bitwise():
check_unary_operator(invert, "Invert", wrapped=False)
check_unary_overloaded_operator(operator.invert, Invert(4))
binary_bits_ops = [
(and_, operator.and_, And(2, 4)),
(or_, operator.or_, Or(2, 4)),
(xor, operator.xor, XOr(2, 4)),
]
for args in binary_bits_ops:
print("Testing {}".format(args))
check_binary_operator(args[0], args[2])
check_binary_overloaded_operator(args[1], args[2])
check_unary_operator(neg, "Negate", wrapped=False)
check_unary_overloaded_operator(operator.neg, Negate(4), T=SInt)
binary_arith_ops = [
(add, operator.add, Add(4, cin=False)),
(sub, operator.sub, Sub(4)),
]
for args in binary_arith_ops:
print("Testing {}".format(args))
check_binary_operator(args[0], args[2], T=Bits)
check_binary_overloaded_operator(args[1], args[2], T=UInt)
check_binary_overloaded_operator(args[1], args[2], T=SInt)
compare_ops = [
# (eq, operator.eq, EQ(4) ),
(lt, operator.lt, ULT(4), SLT(4)),
(le, operator.le, ULE(4), SLE(4)),
(gt, operator.gt, UGT(4), SGT(4)),
(ge, operator.ge, UGE(4), SGE(4))
]
for args in compare_ops:
print("Testing {}".format(args))
check_binary_operator(args[0], args[2], out_type=Bit)
if args[0] == eq:
check_binary_overloaded_operator(args[1], args[2], out_type=Bit)
else:
check_binary_overloaded_operator(args[1],
args[2],
T=UInt,
out_type=Bit)
check_binary_overloaded_operator(args[1],
args[3],
T=SInt,
out_type=Bit)
def PWM(n):
return ULE(n)
def le(I0, I1, **kwargs):
width = get_length(I0)
if isinstance(I0, SIntType):
return SLE(width)(I0, I1)
else:
return ULE(width)(I0, I1)
def le(width, I0, I1, **kwargs):
if isinstance(I0, m.SIntType):
return SLE(width, **kwargs)(I0, I1)
else:
return ULE(width, **kwargs)(I0, I1)
from magma import uint, bits, concat, wire, compile, EndCircuit
from mantle import ULE
from loam.boards.icestick import IceStick
icestick = IceStick()
for i in range(4):
icestick.J1[i].input().on()
icestick.D1.on()
main = icestick.main()
A = uint(concat(main.J1[0:2], bits(0,6)))
B = uint(concat(main.J1[2:4], bits(0,6)))
O = main.D1
ule = ULE(8)
wire( ule(A, B), main.D1 )
EndCircuit()