defmain():
# 初始化声卡驱动print("enter main function\n")
Snd.install_codec_driver()
Snd.init()
# 打开语音扩展板PA，PIN23: GPIO19gpio=GPIO()
gpio.open('GPIO19')
gpio.write(1)
gpio.close()
# 初始化oledoledInit()
#初始化播放器audioPlayerInit()
# 录音初始化audioRecorderInit()
# 连接WiFiconnectWifi()
# get_wifi_status()sessionId=Noneis_session_finished=True# 初始化kws唤醒词globalwakeup, countwakeup=False# 播报欢迎语料oledShowText('I am your HaaS', 6, 18, 1, True)
oledShowText('voice assistant!', 4, 30, 1, False)
audioPlay(welcome_file)
whileTrue:
ifis_session_finished==True: # 非多轮对话时播放提示音oledShowText('I am your HaaS', 6, 18, 1, True)
oledShowText('voice assistant!', 4, 30, 1, False)
kwsEnable(kwsCb)
whilewakeup==False:
time.sleep(0.2)
kwsDisable()
# 播放唤醒提示音oledShowText('Host, i am here!', 2, 24, 1, True)
audioPlay(wakeup_file)
wakeup=Falseis_session_finished=True# record 3sec pcm dataoledShowText('Please speak...', 8, 24, 1, True)
rframes, length=audioRecord(duration)
# ASR识别oledShowText('Recognizing...', 12, 24, 1, True)
# 动态获取tokentoken_resp=ucloud_ai.get_token_id(access_key, access_secret, domain, region_id)
print('token_resp: %s'%token_resp)
iftoken_resp==None:
audioPlay(token_fail_file)
continuetoken_resp=ujson.loads(token_resp)
iftoken_resp!=None:
iftoken_resp.get('ErrMsg') !='':
audioPlay(token_fail_file)
continueasr_token=token_resp.get('Token').get('Id')
else:
print('get token fail')
asr_token=asr_default_tokenifasr_token==None:
audioPlay(sorry_file)
continueasr_text=asrProcess(app_key, asr_token, 'pcm', rframes, length)
ifasr_text==None:
oledShowText('Answering...', 12, 24, 1, True)
audioPlay(sorry_file) # 抱歉，我没有听清楚，请重新说一次试试continue# NLP自然语音处理is_session_finished, sessionId, intentName, text=nlpProcess(access_key, access_secret, instance_id, sessionId, asr_text)
iftext==None:
oledShowText('Answering...', 12, 24, 1, True)
audioPlay(noquestion_file) # 抱歉，没有找到你问的问题，请换一个试试continue# TTS合成# text = '今天天气很好'tts_resp=ttsProcess(app_key, asr_token, 3, 16000, 'siqi', 100, 0, 0, text, tts_file)
oledShowText('Answering...', 12, 24, 1, True)
# 根据意图执行设备端动作doIntent(intentName)
iftts_resp==True:
# 播放ttsprint('start to audioPlay tts\n')
audioPlay('fs:'+tts_file)
else:
print('tts resposne fail')
audioPlay(network_fail_file)
# 释放kws资源kwsDisable()
# 释放播放器audioPlayerUninit()
# 释放录音资源audioRecordUninit()
# 释放声卡驱动Snd.uninstall_codec_driver()
Snd.deinit()

# 阿里云访问账号access_key='Your-Access-Key'access_secret='Your-Access-Secret'# 智能语音交互app_key='Your-App-Key'# 登陆https://nls-portal.console.aliyun.com/overview# 查看你创建的项目功能配置旁边的appkey# Chatbot对话机器人实例IDinstance_id='chatbot-cn-XXXXXXX'# 登陆https://chatbot.console.aliyun.com/yunme.htm#/beebot_preview/overview# 查看您创建的机器人ID

defdoIntent(intentName):
ifintentName==None:
returnprint('intentName: %s'%intentName)
leds=("led_r", "led_g", "led_b")
events= [
                {'light_on': 'leds', 'value': 1},
                {'light_off': 'leds', 'value': 0},
                {'red_light_on': 'led_r', 'value': 1},
                {'red_light_off': 'led_r', 'value': 0},
                {'green_light_on': 'led_g', 'value': 1},
                {'green_light_off': 'led_g', 'value': 0},
                {'blue_light_on': 'led_b', 'value': 1},
                {'blue_light_off': 'led_b', 'value': 0},
    ]
gpio=GPIO()
foreventinevents:
led=event.get(intentName)
ifled!=None:
value=event.get('value')
ifled=='leds':
forledinleds:
gpio.open(led)
gpio.write(value)
gpio.close()
else:
gpio.open(led)
gpio.write(value)
gpio.close()