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artiq-zynq/sim_frame.py

132 lines
3.9 KiB
Python

from migen import *
from misoc.interconnect import stream
from sim_pipeline import *
from sim_generator import CXPCRC32Inserter
from sim_frame_gen import get_frame_packet
from src.gateware.cxp_pipeline import *
import numpy as np
from PIL import Image
class Frame(Module):
def __init__(self):
# to construct correct crc and ack/stb signal
self.submodules.buffer = buffer = stream.SyncFIFO(word_layout, 32)
self.submodules.crc_inserter = crc_inserter = CXPCRC32Inserter()
self.submodules.dchar_decoder = dchar_decoder = Duplicated_Char_Decoder()
self.submodules.stream_pipe = stream_pipe = Stream_Pipeline()
pipeline = [buffer, crc_inserter, dchar_decoder, stream_pipe]
for s, d in zip(pipeline, pipeline[1:]):
self.comb += s.source.connect(d.sink)
self.sink = pipeline[0].sink
self.source = pipeline[-1].source
# no backpressure for sim
self.sync += self.source.ack.eq(1)
dut = Frame()
def check_case(packet=[]):
print("=================TEST========================")
sink = dut.sink
stream_pipe = dut.stream_pipe
for i, p in enumerate(packet):
yield sink.data.eq(p["data"])
yield sink.k.eq(p["k"])
yield sink.stb.eq(1)
if "eop" in p:
yield sink.eop.eq(1)
else:
yield sink.eop.eq(0)
# check cycle result
yield
# source = dut.dchar_decoder.source
# source = dut.stream_pipe.frame_extractor.sink
source = dut.sink
# print(
# f"\nCYCLE#{i} : source char = {yield source.data:#X} k = {yield source.k:#X} stb = {yield source.stb} ack = {yield source.ack} eop = {yield source.eop}"
# )
# extra clk cycles
cyc = i + 1
img = []
line = -1
total_pixel = 1000
for i in range(cyc, cyc + total_pixel):
yield sink.data.eq(0)
yield sink.k.eq(0)
yield sink.stb.eq(0)
yield sink.eop.eq(0)
yield
# print(
# f"\nCYCLE#{i} : source char = {yield source.data:#X} k = {yield source.k:#X} stb = {yield source.stb} ack = {yield source.ack} eop = {yield source.eop}"
# )
frame_extractoer = dut.stream_pipe.frame_extractor
new_line = yield frame_extractoer.new_line
if new_line:
img.append([])
line += 1
stb = yield frame_extractoer.source.stb
data = yield frame_extractoer.source.data
if stb:
# CXP use MSB
img[line].append(np.uint16(data & 0xFFFF))
img[line].append(np.uint16(data >> 16))
# metadata = dut.stream_pipe.frame_extractor.metadata
# img_header_layout = [
# "stream_id",
# "source_tag",
# "x_size",
# "x_offset",
# "y_size",
# "y_offset",
# "l_size", # number of data words per image line
# "pixel_format",
# "tap_geo",
# "flag",
# ]
# for name in img_header_layout:
# print(f"{name} = {yield getattr(metadata, name):#04X} ", end="")
# print()
Image.fromarray(np.array(img, dtype=np.uint8)).show()
assert True
def testbench():
stream_id = 0x69
packet_tag = 0
frame_packet = get_frame_packet(stream_id)
packet = [
{"data": Replicate(C(stream_id, char_width), 4), "k": Replicate(0, 4)},
{"data": Replicate(C(packet_tag, char_width), 4), "k": Replicate(0, 4)},
{
"data": Replicate(C(len(frame_packet), 2*char_width)[8:], 4),
"k": Replicate(0, 4),
},
{
"data": Replicate(C(len(frame_packet), 2*char_width)[:8], 4),
"k": Replicate(0, 4),
},
]
packet += frame_packet
# NOTE: for crc inserter!!!!
packet[-1]["eop"] = 0
yield from check_case(packet)
run_simulation(dut, testbench(), vcd_name="sim-cxp.vcd")