def zybo_device_prim(clock, led, reset=None):
"""
"""
print("Zybo external clock frequency {:.3f} MHz".format(clock.frequency /
1e6))
clkmgmt = ClockManagement(clock,
reset,
output_frequencies=(100e6, 125e6, 500e6),
vendor='xilinx')
pll_inst = device_clock_mgmt(clkmgmt)
maxcnt0 = int(clock.frequency)
maxcnt1 = int(clkmgmt.clocks[0].frequency)
maxcnt2 = int(clkmgmt.clocks[1].frequency)
cnt0, cnt1, cnt2 = [
Signal(intbv(0, min=0, max=mx)) for mx in (maxcnt0, maxcnt1, maxcnt2)
]
led0, led1, led2 = [Signal(bool(0)) for _ in range(3)]
# clock1, clock2, clock3 = clkmgmt.clocks
clock1 = clkmgmt.clocksout(0)
clock2 = clkmgmt.clocksout(1)
clock3 = clkmgmt.clocksout(2)
@always(clock.posedge)
def beh_toggle0():
clkmgmt.enable.next = True
if cnt0 >= maxcnt0 - 1:
led0.next = not led0
cnt0.next = 0
else:
cnt0.next = cnt0 + 1
@always(clock1.posedge)
def beh_toggle1():
if cnt1 >= maxcnt1 - 1:
led1.next = not led1
cnt1.next = 0
else:
cnt1.next = cnt1 + 1
@always(clock2.posedge)
def beh_toggle2():
if cnt2 >= maxcnt2 - 1:
led2.next = not led2
cnt2.next = 0
else:
cnt2.next = cnt2 + 1
@always_comb
def beh_assign():
led.next = concat(clkmgmt.locked, led2, led1, led0)
return instances()
def zybo_device_prim(clock, led, reset=None):
"""
"""
print("Zybo external clock frequency {:.3f} MHz".format(
clock.frequency/1e6))
clkmgmt = ClockManagement(
clock, reset,
output_frequencies=(100e6, 125e6, 500e6),
vendor='xilinx'
)
pll_inst = device_clock_mgmt(clkmgmt)
maxcnt0 = int(clock.frequency)
maxcnt1 = int(clkmgmt.clocks[0].frequency)
maxcnt2 = int(clkmgmt.clocks[1].frequency)
cnt0, cnt1, cnt2 = [Signal(intbv(0, min=0, max=mx))
for mx in (maxcnt0, maxcnt1, maxcnt2)]
led0, led1, led2 = [Signal(bool(0)) for _ in range(3)]
# clock1, clock2, clock3 = clkmgmt.clocks
clock1 = clkmgmt.clocksout(0)
clock2 = clkmgmt.clocksout(1)
clock3 = clkmgmt.clocksout(2)
@always(clock.posedge)
def beh_toggle0():
clkmgmt.enable.next = True
if cnt0 >= maxcnt0-1:
led0.next = not led0
cnt0.next = 0
else:
cnt0.next = cnt0 + 1
@always(clock1.posedge)
def beh_toggle1():
if cnt1 >= maxcnt1-1:
led1.next = not led1
cnt1.next = 0
else:
cnt1.next = cnt1 + 1
@always(clock2.posedge)
def beh_toggle2():
if cnt2 >= maxcnt2-1:
led2.next = not led2
cnt2.next = 0
else:
cnt2.next = cnt2 + 1
@always_comb
def beh_assign():
led.next = concat(clkmgmt.locked, led2, led1, led0)
return instances()
def de0nano_soc_device_prims(clock, reset, led):
clkmgmt = ClockManagement(clock,
reset,
output_frequencies=(100e6, 200e6),
vendor='altera')
pll_inst = device_clock_mgmt(clkmgmt)
maxcnt0 = int(clock.frequency)
maxcnt1 = int(clkmgmt.clocks[0].frequency)
maxcnt2 = int(clkmgmt.clocks[1].frequency)
cnt0, cnt1, cnt2 = [
Signal(intbv(0, min=0, max=mx)) for mx in (maxcnt0, maxcnt1, maxcnt2)
]
led0, led1, led2 = [Signal(bool(0)) for _ in range(3)]
clock1, clock2 = clkmgmt.clocks
@always(clock.posedge)
def beh_toggle0():
clkmgmt.enable.next = True
if cnt0 >= maxcnt0 - 1:
led0.next = not led0
cnt0.next = 0
else:
cnt0.next = cnt0 + 1
@always(clock1.posedge)
def beh_toggle1():
if cnt1 >= maxcnt1 - 1:
led1.next = not led1
cnt1.next = 0
else:
cnt1.next = cnt1 + 1
@always(clock2.posedge)
def beh_toggle2():
if cnt2 >= maxcnt2 - 1:
led2.next = not led2
cnt2.next = 0
else:
cnt2.next = cnt2 + 1
@always_comb
def beh_assign():
led.next = concat(False, led2, led1, led0)
return instances()
def cmoda7_device_prim(clock, led, reset=None):
print("External clock frequency {:.3f} MHz".format(clock.frequency / 1e6))
clkmgmt = ClockManagement(clock,
reset,
output_frequencies=(120e6, ),
vendor='xilinx')
pll_inst = device_clock_mgmt(clkmgmt)
clock1 = clkmgmt.clocks[0]
print("Derived clock frequency {:.3f} MHz".format(
clkmgmt.clocks[0].frequency / 1e6))
maxcnt0 = int(clock.frequency)
maxcnt1 = int(clock1.frequency)
cnt0, cnt1 = [
Signal(intbv(0, min=0, max=mx)) for mx in (
maxcnt0,
maxcnt1,
)
]
led0, led1 = [Signal(bool(0)) for _ in range(2)]
@always(clock.posedge)
def beh_toggle0():
clkmgmt.enable.next = True
if cnt0 >= maxcnt0 - 1:
led0.next = not led0
cnt0.next = 0
else:
cnt0.next = cnt0 + 1
@always(clock1.posedge)
def beh_toggle1():
if cnt1 >= maxcnt1 - 1:
led1.next = not led1
cnt1.next = 0
else:
cnt1.next = cnt1 + 1
@always_comb
def beh_assign():
led.next = concat(led1, led0)
return instances()
def cmoda7_device_prim(clock, led, reset=None):
print("External clock frequency {:.3f} MHz".format(
clock.frequency/1e6))
clkmgmt = ClockManagement(
clock, reset,
output_frequencies=(120e6,),
vendor='xilinx'
)
pll_inst = device_clock_mgmt(clkmgmt)
clock1 = clkmgmt.clocks[0]
print("Derived clock frequency {:.3f} MHz".format(
clkmgmt.clocks[0].frequency / 1e6))
maxcnt0 = int(clock.frequency)
maxcnt1 = int(clock1.frequency)
cnt0, cnt1 = [Signal(intbv(0, min=0, max=mx))
for mx in (maxcnt0, maxcnt1,)]
led0, led1 = [Signal(bool(0)) for _ in range(2)]
@always(clock.posedge)
def beh_toggle0():
clkmgmt.enable.next = True
if cnt0 >= maxcnt0 - 1:
led0.next = not led0
cnt0.next = 0
else:
cnt0.next = cnt0 + 1
@always(clock1.posedge)
def beh_toggle1():
if cnt1 >= maxcnt1 - 1:
led1.next = not led1
cnt1.next = 0
else:
cnt1.next = cnt1 + 1
@always_comb
def beh_assign():
led.next = concat(led1, led0)
return instances()
def de0nano_soc_device_prims(clock, reset, led):
clkmgmt = ClockManagement(clock, reset,
output_frequencies=(100e6, 200e6),
vendor='altera')
pll_inst = device_clock_mgmt(clkmgmt)
maxcnt0 = int(clock.frequency)
maxcnt1 = int(clkmgmt.clocks[0].frequency)
maxcnt2 = int(clkmgmt.clocks[1].frequency)
cnt0, cnt1, cnt2 = [Signal(intbv(0, min=0, max=mx))
for mx in (maxcnt0, maxcnt1, maxcnt2)]
led0, led1, led2 = [Signal(bool(0)) for _ in range(3)]
clock1, clock2 = clkmgmt.clocks
@always(clock.posedge)
def beh_toggle0():
clkmgmt.enable.next = True
if cnt0 >= maxcnt0-1:
led0.next = not led0
cnt0.next = 0
else:
cnt0.next = cnt0 + 1
@always(clock1.posedge)
def beh_toggle1():
if cnt1 >= maxcnt1-1:
led1.next = not led1
cnt1.next = 0
else:
cnt1.next = cnt1 + 1
@always(clock2.posedge)
def beh_toggle2():
if cnt2 >= maxcnt2-1:
led2.next = not led2
cnt2.next = 0
else:
cnt2.next = cnt2 + 1
@always_comb
def beh_assign():
led.next = concat(False, led2, led1, led0)
return instances()
def top_clock_mgmt_wrap(clockext, resetext, dripple, status, args):
# note: the model will have errors for many frequencies the test
# will only work for rational periods (inverse of the freq).
clkmgmt = ClockManagement(clockext,
reset=resetext,
output_frequencies=(
125e6,
200e6,
))
clkmgmt.vendor = args.vendor
# @todo: add external_reset_sync module
# rst_inst = external_reset_sync(clockext, resetext, reset)
# create the pll instance
pll_inst = device_clock_mgmt(clkmgmt)
clockcsr = Signal(bool(0))
clockdat = Signal(bool(0))
dcnt = Signal(intbv(0, min=0, max=int(clkmgmt.clocks[0].frequency / 1e6)))
dmax = dcnt.max
@always_comb
def beh_clock_assign():
clockcsr.next = clkmgmt.clocksout[0]
clockdat.next = clkmgmt.clocksout[1]
@always(clockext.posedge)
def beh_assign():
clkmgmt.enable.next = True
@always_seq(clockcsr.posedge, reset=resetext)
def beh_cnt():
if dcnt == dmax - 1:
dcnt.next = 0
dripple.next = not dripple
else:
dcnt.next = dcnt + 1
@always_seq(clockdat.posedge, reset=resetext)
def beh_led_drv():
status.next[0] = clkmgmt.locked
return pll_inst, beh_assign, beh_clock_assign, beh_cnt, beh_led_drv
def top_clock_mgmt_wrap(clockext, resetext, dripple, status, args):
# note: the model will have errors for many frequencies the test
# will only work for rational periods (inverse of the freq).
clkmgmt = ClockManagement(clockext, reset=resetext,
output_frequencies=(125e6, 200e6,))
clkmgmt.vendor = args.vendor
# @todo: add external_reset_sync module
# rst_inst = external_reset_sync(clockext, resetext, reset)
# create the pll instance
pll_inst = device_clock_mgmt(clkmgmt)
clockcsr = Signal(bool(0))
clockdat = Signal(bool(0))
dcnt = Signal(intbv(0, min=0, max=int(clkmgmt.clocks[0].frequency/1e6)))
dmax = dcnt.max
@always_comb
def beh_clock_assign():
clockcsr.next = clkmgmt.clocksout[0]
clockdat.next = clkmgmt.clocksout[1]
@always(clockext.posedge)
def beh_assign():
clkmgmt.enable.next = True
@always_seq(clockcsr.posedge, reset=resetext)
def beh_cnt():
if dcnt == dmax-1:
dcnt.next = 0
dripple.next = not dripple
else:
dcnt.next = dcnt + 1
@always_seq(clockdat.posedge, reset=resetext)
def beh_led_drv():
status.next[0] = clkmgmt.locked
return pll_inst, beh_assign, beh_clock_assign, beh_cnt, beh_led_drv
