litex/examples/de0_nano/client/test_mila.py

68 lines
1.7 KiB
Python

from miscope import trigger, recorder, miio, mila
from miscope.tools.truthtable import *
from miscope.tools.vcd import *
from miscope.bridges.uart2csr.tools.uart2Csr import *
#==============================================================================
# P A R A M E T E R S
#==============================================================================
# Csr Addr
MILA_ADDR = 0x01
csr = Uart2Csr(3, 115200, debug=False)
# Mila Param
trig_w = 16
dat_w = 16
rec_size = 512
rec_offset = 32
# Miscope Configuration
# MiLa
term = trigger.Term(trig_w)
trigger = trigger.Trigger(trig_w, [term])
recorder = recorder.Recorder(dat_w, rec_size)
mila = mila.MiLa(MILA_ADDR, trigger, recorder, csr)
#==============================================================================
# T E S T M I G L A
#==============================================================================
dat_vcd = VcdDat(dat_w)
def capture(size):
global trigger
global recorder
global dat_vcd
sum_tt = gen_truth_table("term")
mila.trigger.sum.set(sum_tt)
mila.recorder.reset()
recorder.set_size(rec_size)
mila.recorder.set_offset(rec_offset)
mila.recorder.arm()
print("-Recorder [Armed]")
print("-Waiting Trigger...", end=' ')
while(not mila.recorder.is_done()):
time.sleep(0.1)
print("[Done]")
print("-Receiving Data...", end=' ')
sys.stdout.flush()
dat_vcd += mila.recorder.pull(size)
print("[Done]")
print("Capturing ...")
print("----------------------")
term.set(0x0000, 0xFFFF)
capture(rec_size)
mila_layout = [
("freqgen", 1),
("event_rising", 1),
("event_falling", 1),
("cnt", 8),
]
myvcd = Vcd()
myvcd.add_from_layout(mila_layout, dat_vcd)
myvcd.write("test_mila.vcd")