Files
naowalk/naowalk.py
T
2026-07-16 14:03:39 -04:00

711 lines
32 KiB
Python

#!/usr/bin/env python
# -*- encoding: UTF-8 -*-
import qi
import argparse
import sys
import time
import threading
import queue
import cv2
import numpy as np
import pygame
import subprocess
import os
import json
import re
# --- Audio for mic ---
try:
import pyaudio
HAS_AUDIO = True
except ImportError:
HAS_AUDIO = False
# ==========================================
# NAO MIC STREAM
# ==========================================
class SoundReceiver:
PREBUFFER_CHUNKS = 3
SILENCE_CHUNK = b"\x00" * 4096
def __init__(self, output_device_index=None, mic_gain=8.0):
self.running = True
self.underrun_count = 0
self.chunks_received = 0
self._write_errors = 0
self._peak_since_print = 0
self._last_status_print = 0
self.mic_gain = float(mic_gain)
if HAS_AUDIO:
self.p = pyaudio.PyAudio()
print("🔈 Available output devices:")
for i in range(self.p.get_device_count()):
info = self.p.get_device_info_by_index(i)
if info.get("maxOutputChannels", 0) > 0:
print(f" [{i}] {info['name']}")
try:
chosen = (self.p.get_device_info_by_index(output_device_index) if output_device_index is not None
else self.p.get_default_output_device_info())
print(f"🔈 Using: [{chosen['index']}] {chosen['name']}")
except: pass
self.stream = self.p.open(format=pyaudio.paInt16, channels=1, rate=16000,
output=True, output_device_index=output_device_index,
frames_per_buffer=2048)
self._play_test_tone()
self.queue = queue.Queue(maxsize=40)
self.playback_thread = threading.Thread(target=self._playback_loop, daemon=True)
self.playback_thread.start()
def _play_test_tone(self):
try:
duration, freq, rate = 0.3, 440.0, 16000
t = np.linspace(0, duration, int(rate * duration), False)
tone = (np.sin(freq * t * 2 * np.pi) * 12000).astype(np.int16)
self.stream.write(tone.tobytes())
except: pass
def processRemote(self, nbOfChannels, nbOfSamplesByChannel, timeStamp, buffer):
if not HAS_AUDIO: return
self.chunks_received += 1
try:
self.queue.put_nowait(bytes(buffer))
except queue.Full:
try:
self.queue.get_nowait()
self.queue.put_nowait(bytes(buffer))
except: pass
def _playback_loop(self):
primed = []
while self.running and len(primed) < self.PREBUFFER_CHUNKS:
try:
primed.append(self.queue.get(timeout=1.0))
except queue.Empty:
break
for chunk in primed:
self._write_chunk(chunk)
while self.running:
try:
chunk = self.queue.get(timeout=0.2)
self._write_chunk(chunk)
except queue.Empty:
self.underrun_count += 1
try:
self.stream.write(self.SILENCE_CHUNK)
except: pass
now = time.time()
if now - self._last_status_print > 10:
self._last_status_print = now
print(f"🎤 mic: {self.chunks_received} chunks, {self.underrun_count} underruns, peak {self._peak_since_print}")
self._peak_since_print = 0
def _write_chunk(self, raw_bytes):
try:
samples = np.frombuffer(raw_bytes, dtype=np.int16).astype(np.float32)
if samples.size:
amplified = np.clip(samples * self.mic_gain, -32768, 32767)
peak = int(np.abs(amplified).max())
if peak > self._peak_since_print:
self._peak_since_print = peak
self.stream.write(amplified.astype(np.int16).tobytes())
else:
self.stream.write(raw_bytes)
except: pass
def close(self):
self.running = False
if HAS_AUDIO:
try: self.playback_thread.join(timeout=1.0)
except: pass
try:
self.stream.stop_stream()
self.stream.close()
self.p.terminate()
except: pass
# ==========================================
# MUSIC PLAYER ON NAO (scp)
# ==========================================
class NaoMusicPlayer:
def __init__(self, session, nao_ip):
self.session = session
self.player = session.service("ALAudioPlayer")
self.nao_ip = nao_ip
self.music_dir = "/home/nao/music"
self.local_path = "/tmp/song.mp3"
self.remote_path = f"{self.music_dir}/song.mp3"
try:
subprocess.run(["sshpass", "-p", "nao", "ssh", f"nao@{nao_ip}", f"mkdir -p {self.music_dir}"],
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
except: pass
self.current_file = None
self.current_task_id = None
self.is_playing = False
self.current_title = ""
self.is_loading = False
self.load_error = None
self.status = ""
self.progress = 0.0
def search(self, query):
try:
cmd = ["yt-dlp", f"ytsearch5:{query}", "--flat-playlist", "--dump-json",
"--no-warnings", "--quiet"]
result = subprocess.run(cmd, capture_output=True, text=True, timeout=30)
entries = []
for line in result.stdout.strip().splitlines():
if not line.strip():
continue
try:
data = json.loads(line)
except json.JSONDecodeError:
continue
vid = data.get("id")
url = data.get("url")
if not url or not url.startswith("http"):
url = f"https://www.youtube.com/watch?v={vid}" if vid else None
if url:
entries.append({"url": url, "title": data.get("title", "Unknown")})
return entries
except Exception as e:
print(f"Search error: {e}")
return []
_DL_PROGRESS_RE = re.compile(r'\[download\]\s+([\d.]+)%')
def play(self, url, title):
self.stop()
self.current_title = title
self.is_loading = True
self.load_error = None
self.status = "Starting download..."
self.progress = 0.0
try:
if os.path.exists(self.local_path):
os.remove(self.local_path)
except: pass
try:
cmd = ["yt-dlp", url,
"-x", "--audio-format", "mp3",
"-o", self.local_path,
"--no-playlist", "--no-warnings", "--newline"]
print(f"\n▶ yt-dlp {url}")
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
text=True, bufsize=1)
for line in proc.stdout:
line = line.rstrip()
if not line:
continue
print(f" [yt-dlp] {line}")
m = self._DL_PROGRESS_RE.search(line)
if m:
self.progress = float(m.group(1))
self.status = f"Downloading... {self.progress:.0f}%"
elif "ExtractAudio" in line or "Extracting audio" in line:
self.status = "Converting to mp3..."
elif line.startswith("[download] Destination"):
self.status = "Downloading..."
proc.wait(timeout=120)
if proc.returncode != 0 or not os.path.exists(self.local_path):
print(f"Download failed (exit {proc.returncode})")
self.load_error = "Download failed"
return False
size_mb = os.path.getsize(self.local_path) / (1024 * 1024)
print(f"▶ scp {self.local_path} -> nao@{self.nao_ip}:{self.remote_path} ({size_mb:.1f} MB)")
self.progress = 0.0
upload_start = time.time()
stop_ticker = threading.Event()
def ticker():
while not stop_ticker.is_set():
elapsed = time.time() - upload_start
self.status = f"Uploading to NAO ({size_mb:.1f} MB)... {elapsed:.0f}s"
stop_ticker.wait(1.0)
t = threading.Thread(target=ticker, daemon=True)
t.start()
scp_result = subprocess.run(
["sshpass", "-p", "nao", "scp", self.local_path, f"nao@{self.nao_ip}:{self.remote_path}"],
capture_output=True, text=True, timeout=60
)
stop_ticker.set()
t.join(timeout=1.0)
print(f" [scp] exit {scp_result.returncode}" +
(f": {scp_result.stderr.strip()}" if scp_result.stderr.strip() else ""))
if scp_result.returncode != 0:
print(f"SCP failed: {scp_result.stderr.strip()}")
self.load_error = "SCP failed"
return False
self.current_file = self.remote_path
self.status = "Playing"
self.progress = 100.0
self.current_task_id = self.player.playFile(self.remote_path)
self.is_playing = True
print(f"♪ Playing on NAO: {title} (task {self.current_task_id})")
return True
except Exception as e:
print(f"Playback error: {e}")
self.load_error = str(e)
return False
finally:
self.is_loading = False
def pause(self):
"""Toggle playback. No position tracking: resuming restarts the track from the top."""
if self.current_task_id is None or not self.current_file:
print("⏸ Nothing loaded to pause/resume")
return
if self.is_playing:
try:
self.player.stopAll()
except Exception as e:
print(f"stopAll error while pausing: {e}")
self.load_error = f"Pause error: {e}"
return
self.is_playing = False
print("♪ Paused")
else:
try:
self.current_task_id = self.player.playFile(self.current_file)
self.is_playing = True
print(f"♪ Resumed from start (task {self.current_task_id})")
except Exception as e:
print(f"Resume error: {e}")
self.load_error = f"Resume error: {e}"
def stop(self):
try:
self.player.stopAll()
except Exception as e:
print(f"Stop error: {e}")
self.is_playing = False
self.current_file = None
self.current_task_id = None
self.current_title = ""
# ==========================================
# MAIN TELEOP
# ==========================================
class NaoTeleop:
def __init__(self, session, nao_ip, audio_device_index=None, mic_channel=1, mic_gain=8.0, video_scale=2.0):
self.session = session
self.nao_ip = nao_ip
self.motion = session.service("ALMotion")
self.posture = session.service("ALRobotPosture")
self.tts = session.service("ALTextToSpeech")
try:
self.battery = session.service("ALBattery")
except:
self.battery = None
self.music = NaoMusicPlayer(session, nao_ip)
self.music_results = []
self.selected_result = 0
self.audio_device = None
self.audio_service_name = "SoundReceiver"
self.audio_device_index = audio_device_index
self.mic_channel = mic_channel
self.mic_gain = mic_gain
self.running = True
self.head_yaw = 0.0
self.head_pitch = 0.0
self.battery_level = 100
self.last_batt_check = 0
self.volume = 50
self.walk_speed = 0.6 # Default walking speed
self.typing_mode = False
self.chat_message = ""
self.music_search_mode = False
self.music_search_text = ""
self.music_search_pending = False
self.video_scale = video_scale
self.display_width = int(320 * video_scale)
self.display_height = int(240 * video_scale)
self._init_audio_device()
self._init_video_maxfps()
if HAS_AUDIO:
self._init_mic_stream()
pygame.init()
self.screen = pygame.display.set_mode((self.display_width, self.display_height))
pygame.display.set_caption("NAO Teleop + Music on Robot")
self.font = pygame.font.SysFont(None, 24)
self.clock = pygame.time.Clock()
self.update_title()
def _safe(self, label, fn):
"""Run fn(), log+swallow any exception so one failure can't crash the loop."""
try:
return fn()
except Exception as e:
print(f"{label} error: {e}")
return None
def _init_audio_device(self):
try:
self.audio_device = self.session.service("ALAudioDevice")
self.volume = self.audio_device.getOutputVolume()
print(f"🔊 NAO speaker volume: {self.volume}%")
except Exception as e:
print(f"⚠️ ALAudioDevice error: {e}")
self.audio_device = None
def _init_video_maxfps(self):
try:
self.video = self.session.service("ALVideoDevice")
self.video_client = self.video.subscribeCamera("TeleopCam", 0, 0, 11, 25)
print("✅ Camera ready")
except:
print("❌ Camera not available")
self.video_client = None
def _init_mic_stream(self):
if not self.audio_device: return
try:
self.sound_receiver = SoundReceiver(self.audio_device_index, self.mic_gain)
self.session.registerService(self.audio_service_name, self.sound_receiver)
time.sleep(0.5)
self.audio_device.setClientPreferences(self.audio_service_name, 16000, self.mic_channel, 0)
self.audio_device.subscribe(self.audio_service_name)
print(f"✅ Mic stream ready (gain={self.mic_gain}x)")
except Exception as e:
print(f"❌ Mic init failed: {e}")
def get_image(self):
if not hasattr(self, 'video') or not self.video_client:
return None
try:
image = self.video.getImageRemote(self.video_client)
if image and len(image) >= 7:
w, h = image[0], image[1]
arr = np.frombuffer(bytearray(image[6]), dtype=np.uint8).reshape((h, w, 3))
frame = cv2.cvtColor(arr, cv2.COLOR_RGB2BGR)
return cv2.resize(frame, (320, 240), interpolation=cv2.INTER_NEAREST)
except:
pass
return None
def wave_gesture(self):
if self.typing_mode: return
print("🤚 Waving hello...")
try:
self.motion.setStiffnesses("RArm", 1.0)
names = ["RShoulderPitch", "RShoulderRoll", "RElbowYaw", "RElbowRoll", "RWristYaw", "RHand"]
angles = [[-1.5]*5, [-0.4,-0.7,-0.4,-0.7,-0.4], [0.6,1.1,0.6,1.1,0.6],
[0.8,0.3,0.8,0.3,0.8], [0.0,1.5,0.0,-1.5,0.0], [1.0]*5]
times = [[0.5,1.0,1.5,2.0,2.5]] * 6
self.motion.angleInterpolation(names, angles, times, True)
neutral = [1.5, -0.15, 1.2, 0.5, 0.0, 0.0]
self.motion.angleInterpolationWithSpeed(names, neutral, 0.3)
self.motion.setStiffnesses("RArm", 0.6)
except Exception as e:
print(f"Wave error: {e}")
def handle_head_movement(self):
if self.typing_mode or self.music_search_mode: return
keys = pygame.key.get_pressed()
speed = 0.3
changed = False
if keys[pygame.K_i]: self.head_pitch = max(self.head_pitch - speed, -0.5); changed = True
if keys[pygame.K_k]: self.head_pitch = min(self.head_pitch + speed, 0.5); changed = True
if keys[pygame.K_j]: self.head_yaw = min(self.head_yaw + speed, 2.0); changed = True
if keys[pygame.K_l]: self.head_yaw = max(self.head_yaw - speed, -2.0); changed = True
if changed:
self._safe("Head move", lambda: self.motion.setAngles(
["HeadYaw", "HeadPitch"], [self.head_yaw, self.head_pitch], 0.3))
def reset_head(self):
self.head_yaw = 0.0
self.head_pitch = 0.0
self._safe("Head reset", lambda: self.motion.setAngles(["HeadYaw", "HeadPitch"], [0.0, 0.0], 0.4))
def update_title(self):
mode = "[TYPING] " if self.typing_mode else ""
pygame.display.set_caption(f"NAO Teleop | {mode}Battery: {self.battery_level}% | Vol: {self.volume}% | Speed: {self.walk_speed:.2f}")
def change_volume(self, delta):
self.volume = int(min(100, max(0, self.volume + delta)))
if self.audio_device:
self._safe("Volume set", lambda: self.audio_device.setOutputVolume(self.volume))
print(f"🔊 NAO volume: {self.volume}%")
self.update_title()
def check_battery(self):
if not self.battery: return
now = time.time()
if now - self.last_batt_check > 10:
try:
self.battery_level = self.battery.getBatteryCharge()
except: pass
self.update_title()
self.last_batt_check = now
def run(self):
self.motion.wakeUp()
self.posture.goToPosture("StandInit", 0.5)
time.sleep(1.0)
self.motion.setMoveArmsEnabled(True, True)
print("🦶 Initializing walk engine...")
self._safe("moveInit", self.motion.moveInit)
print("🦶 Walk engine ready")
print("\n🎮 Controls: WASD/Arrows=Walk | [/]=Speed | IJKL=Head | SPACE=Reset head | 1=Wave | M=Music search (↑↓ select, Enter confirm) | P=Pause | X=Stop | -/==Volume | T=TTS | ESC=Quit")
try:
while self.running:
try:
self.check_battery()
for event in pygame.event.get():
if event.type == pygame.QUIT:
self.running = False
elif event.type == pygame.KEYDOWN:
if self.music_search_mode:
if event.key == pygame.K_RETURN:
if self.music_results:
entry = self.music_results[self.selected_result]
threading.Thread(
target=self.music.play,
args=(entry['url'], entry.get('title', 'Unknown')),
daemon=True
).start()
self.music_search_mode = False
elif self.music_search_text.strip() and not self.music_search_pending:
query = self.music_search_text
self.music_search_pending = True
def do_search(q=query):
results = self.music.search(q)
self.music_results = results
self.selected_result = 0
self.music_search_pending = False
if not results:
self.music_search_mode = False
threading.Thread(target=do_search, daemon=True).start()
else:
self.music_search_mode = False
elif event.key == pygame.K_ESCAPE:
self.music_search_mode = False
self.music_search_text = ""
self.music_results = []
elif event.key == pygame.K_UP:
if self.music_results:
self.selected_result = (self.selected_result - 1) % len(self.music_results[:5])
elif event.key == pygame.K_DOWN:
if self.music_results:
self.selected_result = (self.selected_result + 1) % len(self.music_results[:5])
elif event.key == pygame.K_BACKSPACE:
self.music_search_text = self.music_search_text[:-1]
self.music_results = []
elif event.key in (pygame.K_1, pygame.K_2, pygame.K_3, pygame.K_4, pygame.K_5):
idx = int(event.unicode) - 1
if idx < len(self.music_results):
entry = self.music_results[idx]
threading.Thread(
target=self.music.play,
args=(entry['url'], entry.get('title', 'Unknown')),
daemon=True
).start()
self.music_search_mode = False
elif event.unicode.isprintable():
self.music_search_text += event.unicode
self.music_results = []
elif self.typing_mode:
if event.key == pygame.K_RETURN:
if self.chat_message.strip():
threading.Thread(target=self.tts.say, args=(self.chat_message,), daemon=True).start()
self.chat_message = ""
self.typing_mode = False
elif event.key == pygame.K_ESCAPE:
self.chat_message = ""
self.typing_mode = False
elif event.key == pygame.K_BACKSPACE:
self.chat_message = self.chat_message[:-1]
else:
self.chat_message += event.unicode
else:
if event.key == pygame.K_ESCAPE:
self.running = False
elif event.key == pygame.K_1:
self.wave_gesture()
elif event.key == pygame.K_SPACE:
self.reset_head()
elif event.key == pygame.K_m:
self.music_search_mode = True
self.music_search_text = ""
self.music_results = []
elif event.key == pygame.K_p:
self.music.pause()
elif event.key == pygame.K_x:
self.music.stop()
elif event.key in (pygame.K_MINUS, pygame.K_KP_MINUS):
self.change_volume(-5)
elif event.key in (pygame.K_EQUALS, pygame.K_KP_PLUS):
self.change_volume(5)
elif event.key == pygame.K_t:
self.typing_mode = True
self._safe("stopMove", self.motion.stopMove)
if not self.typing_mode and not self.music_search_mode:
keys = pygame.key.get_pressed()
# Speed Adjustment with Title Bar Update
speed_changed = False
if keys[pygame.K_LEFTBRACKET]:
self.walk_speed = max(0.1, self.walk_speed - 0.01)
speed_changed = True
if keys[pygame.K_RIGHTBRACKET]:
self.walk_speed = min(1.0, self.walk_speed + 0.01)
speed_changed = True
if speed_changed:
self.update_title()
x = y = theta = 0.0
if keys[pygame.K_w] or keys[pygame.K_UP]: x = self.walk_speed
if keys[pygame.K_s] or keys[pygame.K_DOWN]: x = -self.walk_speed
if keys[pygame.K_a] or keys[pygame.K_LEFT]: theta = self.walk_speed * 0.8
if keys[pygame.K_d] or keys[pygame.K_RIGHT]: theta = -self.walk_speed * 0.8
try:
if abs(x) > 0.05 or abs(theta) > 0.05:
# Fixed stable configuration mapping
stable_config = [
["StepHeight", 0.02],
["MaxStepFrequency", 0.5],
["TorsoWy", 0.08],
["MaxStepX", 0.03] # Replaced MaxStepLength
]
# Removed the forced stiffness block here
self.motion.moveToward(x, y, theta, stable_config)
else:
self.motion.stopMove()
except Exception as e:
print(f"Move error: {e}")
self.handle_head_movement()
frame = self.get_image()
if frame is not None:
up = cv2.resize(frame, (self.display_width, self.display_height), interpolation=cv2.INTER_CUBIC)
rgb = cv2.cvtColor(up, cv2.COLOR_BGR2RGB)
surf = pygame.surfarray.make_surface(rgb.swapaxes(0,1))
self.screen.blit(surf, (0, 0))
else:
self.screen.fill((10, 10, 30))
# Music status
if self.music.is_loading:
text = self.font.render(f"{self.music.status}", True, (255, 200, 0))
self.screen.blit(text, (10, 10))
if self.music.progress > 0:
bar_w = 220
pct = min(self.music.progress, 100) / 100.0
pygame.draw.rect(self.screen, (70, 70, 70), (10, 32, bar_w, 8))
pygame.draw.rect(self.screen, (255, 200, 0), (10, 32, int(bar_w * pct), 8))
elif self.music.load_error:
text = self.font.render(f"♪ Error: {self.music.load_error}", True, (255, 80, 80))
self.screen.blit(text, (10, 10))
elif self.music.current_title:
status = f"{self.music.current_title[:45]} {'(Paused)' if not self.music.is_playing else ''}"
text = self.font.render(status, True, (0, 255, 100))
self.screen.blit(text, (10, 10))
# Music search interface
if self.music_search_mode:
box_h = min(self.display_height - 80, 260)
s = pygame.Surface((self.display_width, box_h))
s.set_alpha(220)
s.fill((0, 0, 40))
self.screen.blit(s, (0, 80))
text = self.font.render(f"Search: {self.music_search_text}", True, (255, 255, 255))
self.screen.blit(text, (20, 100))
if self.music_results:
shown = self.music_results[:5]
for i, entry in enumerate(shown):
row_y = 140 + i * 30
if i == self.selected_result:
pygame.draw.rect(self.screen, (90, 90, 0), (16, row_y - 3, self.display_width - 32, 26))
color = (255, 255, 0) if i == self.selected_result else (200, 200, 200)
title = entry.get('title', 'No title')[:60]
line = self.font.render(f"{i+1}. {title}", True, color)
self.screen.blit(line, (20, row_y))
hint_y = 140 + len(shown) * 30 + 6
hint = self.font.render("\u2191\u2193 Select Enter Confirm 1-5 Quick pick Esc Cancel", True, (150, 150, 150))
self.screen.blit(hint, (20, hint_y))
elif self.music_search_pending:
text = self.font.render("Searching...", True, (200, 200, 200))
self.screen.blit(text, (20, 140))
else:
text = self.font.render("No results. Type to search again, Enter to search", True, (200, 200, 200))
self.screen.blit(text, (20, 140))
# TTS box
if self.typing_mode:
s = pygame.Surface((self.display_width, 40))
s.set_alpha(180)
s.fill((0,0,0))
self.screen.blit(s, (0, self.display_height-40))
text = self.font.render(f"Say: {self.chat_message}", True, (255,255,255))
self.screen.blit(text, (10, self.display_height-30))
pygame.display.flip()
self.clock.tick(0)
except Exception as e:
print(f"\u26a0\ufe0f Frame error (continuing): {e}")
finally:
print("🛑 Shutting down...")
self._safe("stopMove", self.motion.stopMove)
self._safe("music stop", self.music.stop)
if self.audio_device:
self._safe("audio unsubscribe", lambda: self.audio_device.unsubscribe(self.audio_service_name))
if getattr(self, "sound_receiver", None):
self._safe("sound receiver close", self.sound_receiver.close)
if hasattr(self, 'video') and self.video_client:
self._safe("video unsubscribe", lambda: self.video.unsubscribe(self.video_client))
self._safe("rest", self.motion.rest)
pygame.quit()
if __name__ == "__main__":
MIC_CHANNELS = {"left": 1, "right": 2, "front": 3, "rear": 4}
parser = argparse.ArgumentParser()
parser.add_argument("--ip", type=str, default="127.0.0.1")
parser.add_argument("--port", type=int, default=9559)
parser.add_argument("--audio-device-index", type=int, default=None)
parser.add_argument("--mic-channel", choices=MIC_CHANNELS.keys(), default="left")
parser.add_argument("--mic-gain", type=float, default=8.0)
parser.add_argument("--video-scale", type=float, default=2.0)
args = parser.parse_args()
session = qi.Session()
try:
session.connect(f"tcp://{args.ip}:{args.port}")
print(f"✅ Connected to {args.ip}")
except Exception as e:
print(f"❌ Connection failed: {e}")
sys.exit(1)
NaoTeleop(session, nao_ip=args.ip,
audio_device_index=args.audio_device_index,
mic_channel=MIC_CHANNELS[args.mic_channel],
mic_gain=args.mic_gain,
video_scale=args.video_scale).run()