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interpretor.py
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import math
import threading
import time
from opcodes import Opcodes
class NeoPixelInterpretor:
def __init__(self, pixels, num_px, test_time=40, runtime=180):
self.stop_check = False
self.num_px = num_px
self.go_sem = threading.Semaphore()
self.sect_pos = []
self.sleep_multipliers = []
self.state_stack = []
self.pixels = pixels
self.original_color = [(0, 0, 0, 0) for _ in range(num_px)]
self.test_time = test_time
self.runtime = runtime
self._build_opcode_list()
self.tabs = ''
def _build_opcode_list(self):
single_opcode = lambda args: ([args[0][args[1]]], args[1] + 1)
move_op = lambda args: ([
args[0][args[1]],
args[0][args[1] + 1],
args[0][args[1] + 2],
args[0][args[1] + 3],
args[0][args[1] + 4] >> 2,
(args[0][args[1] + 4] >> 1) & 1,
args[0][args[1] + 4] & 1
], args[1] + 5)
opcode_with_float = lambda args: ([
args[0][args[1]],
int.from_bytes(args[0][args[1] + 1:args[1] + 3], 'big') / 1000
], args[1] + 3)
opcode_with_float_duplicate_value = lambda args: ([
args[0][args[1]],
int.from_bytes(args[0][args[1] + 1:args[1] + 3], 'big') / 1000,
int.from_bytes(args[0][args[1] + 1:args[1] + 3], 'big') / 1000
], args[1] + 3)
self.opcodes = {
Opcodes.SET.value: lambda args: ([
args[0][args[1]],
int.from_bytes(args[0][args[1] + 1:args[1] + 2], 'big'),
self._bytes_to_rgb(args[0][args[1] + 2:args[1] + 6])
], args[1] + 6),
Opcodes.FILL.value: lambda args: ([
args[0][args[1]],
self._bytes_to_rgb(args[0][args[1] + 1:args[1] + 5])
], args[1] + 5),
Opcodes.SLEEP.value: opcode_with_float_duplicate_value,
Opcodes.SHOW.value: single_opcode,
Opcodes.SHOW_AND_SLEEP.value: lambda args: ([
[Opcodes.SHOW.value],
opcode_with_float_duplicate_value(args)[0],
], args[1] + 3),
Opcodes.SECTION.value: single_opcode,
Opcodes.REPEAT.value: lambda args: ([
[
args[0][args[1]],
int.from_bytes(args[0][args[1] + 1:args[1] + 3], 'big'),
int.from_bytes(args[0][args[1] + 1:args[1] + 3], 'big')
],
[
Opcodes.END_SECTION.value
]
], args[1] + 3),
Opcodes.MOVE_UP.value: move_op,
Opcodes.MOVE_DOWN.value: move_op,
Opcodes.SET_SPEED.value: opcode_with_float,
Opcodes.RESET_SPEED.value: single_opcode,
Opcodes.SET_MULTIPLE.value: lambda args: (
[
args[0][args[1]],
[
(args[0][args[1] + buf2], self._bytes_to_rgb(args[0][args[1] + buf2 + 1:args[1] + buf2 + 5]))
for buf2 in range(2, 5 * args[0][args[1] + 1] + 2, 5)
]
], args[1] + args[0][args[1] + 1] * 5 + 2
),
Opcodes.SET_BRIGHTNESS.value: lambda args: ([
args[0][args[1]],
args[0][args[1] + 1],
args[0][args[1] + 2]
], args[1] + 3),
Opcodes.END_SECTION.value: single_opcode
}
def interpret_opcode(self, buffer, k=0):
return self.opcodes[buffer[k]]((buffer, k))
def reset_verbose(self):
self.tabs = ''
def interpret_and_mock_run(self, buffer, verbose=False):
cmdlist, _ = self.interpret_opcode(buffer)
self.do(cmdlist if isinstance(cmdlist[0], list) else [cmdlist], mock=True, verbose=verbose)
def _bytes_to_rgb(self, byt):
color = int.from_bytes(byt, 'big')
r = color >> 24
g = (color >> 16) & 0xff
b = (color >> 8) & 0xff
l = color & 0xff
return r, g, b, l
def c2p(self, color):
brightness = self.compute_brightness_multiplier(color[3])
return tuple([
c * brightness / 255 for c in color[:3]
])
def run(self, data, mock=False, verbose=False, test=False):
self.go_sem.acquire()
self.sect_pos = []
self.sleep_multipliers = []
self.original_color = [(0, 0, 0, 0) for _ in range(len(self.pixels))]
if verbose:
self.reset_verbose()
self.stop_check = False
cmdlist = self.build_cmd_q(data)
self.go_sem.release()
self.do(cmdlist, mock, verbose, test)
def stop(self):
self.go_sem.acquire()
self.stop_check = True
self.go_sem.release()
def build_cmd_q(self, data):
k = 0
cmdlist = [[Opcodes.SECTION.value]]
while k < len(data):
cmd, k = self.interpret_opcode(data, k)
if isinstance(cmd[0], list):
cmdlist += cmd
else:
cmdlist.append(cmd)
return cmdlist
def should_stop(self):
self.go_sem.acquire()
val = self.stop_check
self.go_sem.release()
return val
def _log(self, tabs, message):
print(f'{tabs}{message}')
def compute_should_sleep(self, cmdlist, crt):
cmd = cmdlist[crt]
sleep_value = cmd[1] * self.sleep_multipliers[-1]
sleep_now = 0
if sleep_value > 0:
if sleep_value >= 1:
cmdlist[crt][1] -= self.sleep_multipliers[-1]
sleep_now = 1
else:
sleep_now = cmd[1]
cmdlist[crt][1] = cmdlist[crt][2]
return sleep_now
def compute_brightness_multiplier(self, o):
return int(((o / 100) ** 1.25) * 255)
def do(self, cmdlist, mock=False, verbose=False, test=False):
start_time = time.time()
crt = 0
while crt < len(cmdlist):
cmd = cmdlist[crt]
if cmd[0] == Opcodes.SECTION.value:
if verbose:
self._log(self.tabs, "===Section===")
self.tabs += '\t'
self.sect_pos.append(crt + 1)
self.sleep_multipliers.append(
1 if not self.sleep_multipliers else self.sleep_multipliers[-1]
)
self.state_stack.append(
self.original_color.copy()
)
crt += 1
continue
elif cmd[0] == Opcodes.END_SECTION.value:
if len(self.tabs):
self.tabs = self.tabs[:-1]
if verbose:
self._log(self.tabs, "===End section===")
self.sleep_multipliers.pop()
self.state_stack.pop()
self.sect_pos.pop()
crt += 1
continue
if self.should_stop():
break
if test and time.time() - start_time > self.test_time:
break
if not test and time.time() - start_time > self.runtime:
break
if cmd[0] == Opcodes.SET.value:
px_c = self.c2p(cmd[2])
self.original_color[cmd[1]] = cmd[2]
if not mock:
self.pixels[cmd[1]] = px_c
if verbose:
self._log(self.tabs, f"set[{cmd[1]}] = {px_c}")
elif cmd[0] == Opcodes.FILL.value:
px_c = self.c2p(cmd[1])
self.original_color = [cmd[1] for _ in range(len(self.original_color))]
if not mock:
self.pixels.fill(px_c)
if verbose:
self._log(self.tabs, f"fill({px_c})")
elif cmd[0] == Opcodes.SLEEP.value:
sleep_now = self.compute_should_sleep(cmdlist, crt)
sleep_value = cmdlist[crt][1] * self.sleep_multipliers[-1]
if sleep_now:
if verbose:
if cmdlist[crt][1] != cmdlist[crt][2]:
self._log(self.tabs, f"sleep({sleep_now + sleep_value})")
else:
self._log(self.tabs, f"sleep({sleep_now})")
if not mock and sleep_now:
time.sleep(sleep_now)
if cmdlist[crt][1] != cmdlist[crt][2]:
continue
elif cmd[0] == Opcodes.SHOW.value:
if not mock:
self.pixels.show()
if verbose:
self._log(self.tabs, "show()")
elif cmd[0] == Opcodes.MOVE_UP.value:
lb, ub, sp = cmd[1:4]
trail, rotate, show = cmd[4:7]
vector = self.original_color[lb:ub + 1].copy()
vector = (vector[-sp:] if rotate else (
[vector[0] for _ in range(sp)] if trail else [(0, 0, 0, 0) for _ in range(sp)]
)) + vector[:-sp]
for i in range(ub + 1 - lb):
self.original_color[lb + i] = vector[i]
if not mock and 0 <= lb + i < self.num_px:
self.pixels[lb + i] = self.c2p(vector[i])
if not mock and show:
self.pixels.show()
if verbose:
self._log(self.tabs, f"move_up([{lb}, {ub}], spaces={sp}"
f"{', trail' if trail else ''}"
f"{', rotate' if rotate else ''})"
)
if show:
self._log(self.tabs, "show()")
elif cmd[0] == Opcodes.MOVE_DOWN.value:
lb, ub, sp = cmd[1:4]
trail, rotate, show = cmd[4:7]
vector = self.original_color[lb:ub + 1].copy()
vector = vector[sp:] + (
vector[sp:] if rotate else (
[vector[ub] for _ in range(sp)] if trail else [(0, 0, 0, 0) for _ in range(sp)]
)
)
for i in range(ub + 1 - lb):
self.original_color[lb + i] = vector[i]
if not mock:
self.pixels[lb + i] = self.c2p(vector[i])
if not mock and show:
self.pixels.show()
if verbose:
self._log(self.tabs, f"move_down([{lb}, {ub}], spaces={sp}"
f"{', trail' if trail else ''}"
f"{', rotate' if rotate else ''})"
)
if show:
self._log(self.tabs, "show()")
elif cmd[0] == Opcodes.REPEAT.value:
if verbose:
self._log(self.tabs, f"> loop {cmd[1]} times")
if not mock:
if cmd[1] - 1 > 0:
cmdlist[crt][1] -= 1
crt = self.sect_pos[-1]
for index in range(len(self.pixels)):
self.original_color[index] = self.state_stack[-1][index]
self.pixels[index] = self.c2p(self.original_color[index])
self.sleep_multipliers[-1] = 1 if len(self.sleep_multipliers) == 1 else self.sleep_multipliers[-2]
continue
else:
cmdlist[crt][1] = cmdlist[crt][2]
elif cmd[0] == Opcodes.SET_MULTIPLE.value:
if verbose:
self._log(self.tabs, "===SET===")
self.tabs += '\t'
for s in cmd[1]:
self._log(self.tabs, f"set[{s[0]}] = {self.c2p(s[1])}")
self.tabs = self.tabs[:-1]
self._log(self.tabs, "===END=SET===")
for index, color in cmd[1]:
self.original_color[index] = color
if not mock:
self.pixels[index] = self.c2p(color)
elif cmd[0] == Opcodes.SHOW_AND_SLEEP.value:
cmdlist[crt][0] = Opcodes.SLEEP.value
continue
elif cmd[0] == Opcodes.RESET_SPEED.value:
self.sleep_multipliers[-1] = 1
if verbose:
self._log(self.tabs, f"reset_speed()")
elif cmd[0] == Opcodes.SET_SPEED.value:
self.sleep_multipliers[-1] = cmd[1]
if verbose:
self._log(self.tabs, f"speed = {math.ceil(1 / cmd[1] * 100) / 100}")
else:
raise ValueError(f"Invalid opcode in command! Got {cmd[0]}")
crt += 1
if self.pixels and not isinstance(self.pixels, list):
self.pixels.fill((0, 0, 0))