def main(ninputs,
noutputs,
input_isbits=True,
output_isbits=True,
has_clock=False):
assert 0 <= ninputs <= 8
assert 0 <= noutputs <= 8
print(m.mantle_target)
if m.mantle_target == 'ice40':
from loam.boards.icestick import IceStick
icestick = IceStick()
if has_clock:
icestick.Clock.on()
for i in range(ninputs):
icestick.J1[i].input().on()
for i in range(noutputs):
icestick.J3[i].output().on()
top = icestick.main()
if ninputs:
top.I = top.J1
if noutputs:
top.O = top.J3
elif m.mantle_target == 'spartan3' or m.mantle_target == 'spartan6':
from loam.boards.papilioone import PapilioOne
from loam.boards.papiliopro import PapilioPro
from loam.shields.megawing import MegaWing
Papilio = PapilioOne if m.mantle_target == 'spartan3' else PapilioPro
megawing = MegaWing(Papilio)
if has_clock:
megawing.Clock.on()
megawing.Switch.on(ninputs)
megawing.LED.on(noutputs)
top = megawing.main()
if ninputs:
top.I = top.SWITCH
if noutputs:
top.O = top.LED
else:
raise ValueError(m.mantle_target)
if ninputs == 1 and input_isbits:
top.I = m.bits([top.I])
if noutputs == 1 and output_isbits:
top.O = m.bits([top.O])
return top
def main(n):
import magma as m
m.set_mantle_target('spartan3')
from loam.boards.papilioone import PapilioOne
from loam.shields.megawing import MegaWing
from mantle import LUTN
megawing = MegaWing(PapilioOne)
megawing.Switch.on(n)
megawing.LED.on(1)
top = megawing.main()
pown = 1 << n
lut = LUTN(pown // 2 * [0, 1], pown)
I = [top.SWITCH[i] for i in range(n)] if n != 1 else [top.SWITCH]
m.wire(lut(*I), top.LED)
m.EndCircuit()
return top
import sys from magma import * from mantle import * from loam.shields.megawing import MegaWing megawing = MegaWing() megawing.Switch.on(2) megawing.LED.on(1) main = megawing.main() A = main.SWITCH[0] B = main.SWITCH[1] O = main.LED[0] xor2 = Xor2() xor2(A, B) wire(xor2.O, O) compile(sys.argv[1], main)
import magma as m
from mantle.xilinx.spartan3.RAMB import ROMB16
from loam.boards.papilioone import PapilioOne
from loam.shields.megawing import MegaWing
megawing = MegaWing(PapilioOne)
megawing.Clock.on()
megawing.Switch.on(8)
megawing.LED.on(8)
main = megawing.main()
rom = 2048*[0]
for i in range(2048):
byte = i & 0xff
rom[i] = byte
romb = ROMB16( rom, 8 )
I = m.bits([main.SWITCH[0], main.SWITCH[1], main.SWITCH[2], main.SWITCH[3],
main.SWITCH[4], main.SWITCH[5], main.SWITCH[6], main.SWITCH[7],
0, 0, 0])
O = main.LED
m.wire( I, romb.A )
m.wire( romb.O, O )
from loam.boards.papiliopro import PapilioPro
from loam.shields.megawing import MegaWing
from bit1 import Bit1
N = 32
NI = 2
NO = 2
def prog():
from bit1.isa import clr, set, O0
clr(O0)
set(O0, jump=0)
megawing = MegaWing(PapilioPro)
megawing.Clock.on()
megawing.Joystick.on()
megawing.LED.on(NO)
main = megawing.main()
if NO == 1:
main.LED = m.bits([main.LED])
slow = mantle.Counter(16)
select = debounce(main.SELECT, slow.COUT)
step = falling(select)
bit1 = Bit1(prog, N, NI, NO, has_ce=True)
m.wire(bit1(m.bits([1, 1]), ce=step), main.LED)
