HaaS506 - TTS语音云播报

简介
准备
硬件接口
代码流程
功能实现
- 1、物联网平台开发
- 2、设备端开发
- - 代码
  - 调试
- 3.应用平台开发
- - 3.1新建‘普通项目’
  - 3.2关联产品和设备
  - 3.3新建移动应用

简介

手机端发送文字，开发板发出对应语音信息。

本案例需要使用到阿里云平台连接网络。通过阿里IOT studio应用开发移动应用，手机端发送文字信息，文字信息通过阿里云下发给开发板，开发板播放对应文字语音。

准备

本案例需要的硬件

器材	数量
HaaS506开发板	1
喇叭	1
SIM卡	1
4G天线	1

硬件接口

代码流程

1、连接阿里云平台。
2、接收云平台下发物模型信息。
3、根据物模型信息播放语音

功能实现

1、物联网平台开发

第一次使用物联网平台的读者，需要开通实例后使用物联网平台功能。也可以使用免费的公共实例进行开发，在阿里云物联网平台中，左上角选择‘华东2-上海’，点击‘公共实例’，即可开通。

1、平台产品创建可参考haas506 2.0开发教程-aliyunIoT

2、创建产品属性（添加物模型）

选择产品功能定义–编辑草稿
添加自定义功能
设置标识符、数据类型、读写类型参数，标识符（light）要与代码保持一致。点击确定。
发布上线，点击确定。

2、设备端开发

第一次使用开发板的读者可以按照haas5062.0开发教程-导学篇搭建开发环境。
搭建完后复制以下代码到Visual Studio Code，复制产品证书到代码相应位置。

代码

复制代码到VS code

main.py

# coding=utf-8
import network
import ujson
import utime as time
import modem
from  aliyunIoT import Device
import ota
import kv
import TTS as tts#更改产品信息
###############################
productKey = "********"
productSecret = "*********"
###############################
global deviceName,g_connect_status,device_dyn_resigter_succed,netw
g_connect_status = False
netw = None
device = None
deviceSecret = None
device_dyn_resigter_succed = False
connect_state = False
#初始化物联网平台Device类，获取device实例
device = Device()
# 定义需要升级的模块和版本号
module_name = 'default'
app_version = '1.0.1'
# 定义升级包的下载和安装路径，其中url,hash_type和hash 会通过服务端推送被保存下来
info = {'url': '','store_path': '/data/pyamp/app.zip','install_path': '/data/pyamp/','length': 0,'hash_type': '','hash': ''
}# ota 消息推送的接受函数
def on_trigger(data):global info# 保存服务端推送的ota信息info['url'] = data['url']info['length'] = data['length']info['module_name'] = data['module_name']info['version'] = data['version']info['hash'] = data['hash']info['hash_type'] = data['hash_type']# 开始ota 包下载dl_data = {}dl_data['url'] = info['url']dl_data['store_path'] = info['store_path']ota.download(dl_data)# ota 升级包下载结果回调函数
def on_download(data):global infoif data >= 0:print('Ota download succeed')# 开始ota包校验param = {}param['length'] = info['length']param['store_path'] = info['store_path']param['hash_type'] = info['hash_type']param['hash'] = info['hash']ota.verify(param)# ota 升级包校验结果回调函数
def on_verify(data):global infoprint(data)if data >= 0 :print('Ota verify succeed')print('Start Upgrade')# 开始ota升级param = {}param['length'] = info['length']param['store_path'] = info['store_path']param['install_path'] = info['install_path']ota.upgrade(param)# ota 升级包结果回调函数
def on_upgrade(data):if data >= 0 :print('Ota succeed')#ota升完级后 重启设备reboot()def tts_play_cb(v):if v==7:print('play finish...')elif v==0:print('play start...')def tts_play(tx):global tts_play_cbtts.setCallback(tts_play_cb)tts.setVolume(1)tts.setSpeed(6)ret = tts.play(2,0,1,tx)    #优先级;打断模式;模式1-UTF-8/2-GBK;字符串if(0 == ret):print('tts play success')elif(-1 == ret):print('tts play failed')while  tts.getState() == 1:time.sleep_ms(200)print('-----------')#当iot设备连接到物联网平台的时候触发'connect' 事件
def on_connect(data):global module_name,default_ver,productKey,deviceName,deviceSecret,on_trigger,on_download,on_verify,on_upgrade,connect_stateprint('***** connect lp succeed****')data_handle = {}data_handle['device_handle'] = device.getDeviceHandle()# 初始化ota服务ota.init(data_handle)connect_state = True# ota 回调函数注册ota.on(1,on_trigger)ota.on(2,on_download)ota.on(3,on_verify)ota.on(4,on_upgrade)report_info = {"device_handle": data_handle['device_handle'],"product_key": productKey ,"device_name": deviceName ,"module_name": module_name ,"version": app_version}# 上报本机ota相关信息,上报版本信息返回以后程序返回，知道后台推送ota升级包，才会调用on_trigger函数ota.report(report_info)   txt = ''
state = 0
#当iot云端下发属性设置时，触发'props'事件
def on_props(request):global txt,stateprint('clound req data is {}'.format(request))# # # #获取消息中的params数据params=request['params']# #去除字符串的''，得到字典数据params=eval(params)if "txt" in params :txt = params["txt"]time.sleep_ms(20)if "send" in params :state = params['send']if state ==1:tts_play(txt)   #播放语音文件state = 0up_data({'send':state})#当连接断开时，触发'disconnect'事件
def on_disconnect():print('linkkit is disconnected')#当iot云端调用设备service时，触发'service'事件
def on_service(id,request):print('clound req id  is {} , req is {}'.format(id,request))
#当设备跟iot平台通信过程中遇到错误时，触发'error'事件
def on_error(err):print('err msg is {} '.format(err))#网络连接的回调函数
def on_4g_cb(args):global g_connect_statuspdp = args[0]netwk_sta = args[1]if netwk_sta == 1:g_connect_status = Trueelse:g_connect_status = False#网络连接
def connect_network():global netw,on_4g_cb,g_connect_status#NetWorkClient该类是一个单例类，实现网络管理相关的功能，包括初始化，联网，状态信息等.netw = network.NetWorkClient()g_register_network = Falseif netw._stagecode is not None and netw._stagecode == 3 and netw._subcode == 1:g_register_network = Trueelse:g_register_network = Falseif g_register_network:#注册网络连接的回调函数on(self,id,func);  1代表连接，func 回调函数  ；return 0 成功netw.on(1,on_4g_cb)netw.connect(None)else:print('网络注册失败')while True:if g_connect_status:print('网络连接成功')breaktime.sleep_ms(20)#动态注册回调函数
def on_dynreg_cb(data):global deviceSecret,device_dyn_resigter_succeddeviceSecret = datadevice_dyn_resigter_succed = True# 连接物联网平台
def dyn_register_device(productKey,productSecret,deviceName):global on_dynreg_cb,device,deviceSecret,device_dyn_resigter_succedkey = '_amp_customer_devicesecret'deviceSecretdict = kv.get(key)print("deviceSecretdict:",deviceSecretdict)if isinstance(deviceSecretdict,str):    deviceSecret = deviceSecretdict if deviceSecretdict is None or deviceSecret is None:key_info = {'productKey': productKey  ,'productSecret': productSecret ,'deviceName': deviceName}# 动态注册一个设备，获取设备的deviceSecret#下面的if防止多次注册，当前若是注册过一次了，重启设备再次注册就会卡住，if not device_dyn_resigter_succed:device.register(key_info,on_dynreg_cb)  def connect():global deviceName,g_connect_status,device_dyn_resigter_succed,connect_statedeviceName = None# 获取设备的IMEI 作为deviceName 进行动态注册deviceName = modem.info.getDevImei()# 连接网络connect_network()if deviceName is not None and len(deviceName) > 0 :#动态注册一个设备dyn_register_device(productKey,productSecret,deviceName)else:print("获取设备IMEI失败，无法进行动态注册")while deviceSecret is None:time.sleep(0.2)print('动态注册成功:' + deviceSecret)key_info = {'region' : 'cn-shanghai' ,'productKey': productKey ,'deviceName': deviceName ,'deviceSecret': deviceSecret ,'keepaliveSec': 60,}#打印设备信息print(key_info)#device.ON_CONNECT 是事件，on_connect是事件处理函数/回调函数device.on(device.ON_CONNECT,on_connect)device.on(device.ON_DISCONNECT,on_disconnect)device.on(device.ON_PROPS,on_props)device.on(device.ON_SERVICE,on_service)device.on(device.ON_ERROR,on_error)device.connect(key_info)while not connect_state:time.sleep_ms(10)print('--------------------- aliyun connect --------------------------')up_data({'txt':'请输入语音信息'})up_data({'send':state})def up_data(d):           d_str = ujson.dumps(d)data={'params':d_str}device.postProps(data)if __name__ == '__main__':connect()       #连接阿里云

调试

1、串口调试工具log打印log

POWERONREASON:0x0000,parse:NORMAL_REBOOT.
mpthread_init stack:0x80afbb5c 0x80afbb5c
device_obj->iot_device_handle:0x80b9ff00
[  11.134]<E>ACTIVATION_REPORT2 activation_report2:286 report http data:POST /device/add HTTP/1.1
Host:nps.huntercat.cn
User-Agent: AliOS-Things
Content-Length:157
Accept: */*
Content-Type:application/json
Connection: Keep-Alive{"activationStr":"V=3.0.0&P=Enginelf&A=HaaS506_App&B=HaaS506&C=M601&N=Cellular&X=HaaS506-M320&S=Cellular&O=FreeRTOS&T=DTU&M=866907051837598&Y=Alibaba-Cloud"}网络连接成功
deviceSecretdict: ********
动态注册成功:********
{'deviceName': '*******', 'deviceSecret': '********', 'region': 'cn-shanghai', 'productKey': '*******', 'keepaliveSec': 60}
[1670291375.666][LK-0313] MQTT user calls aiot_mqtt_connect api, connect
[1670291375.666][LK-0317] *********
[1670291375.666][LK-0318] *********
[1670291376.333][LK-0313] MQTT connect success in 724 ms
<I>UA uagent_ext_comm_init[63]: [uA]prepare start uagent comm <I>UA uagent_ext_comm_init[74]: [uA]Subsrcibe TOPIC /sys/****/****/_thing/service/invoke[1670291376.333][LK-0309] sub: /sys/****/****/_thing/service/invoke
<I>UA uagent_ext_comm_init[80]: [uA]IOT_MQTT_Subscribe(/sys/****/*****/_thing/service/invoke) success[1670291376.333][LK-0309] sub: /sys/****/****/_thing/service/post_reply
<I>UA uagent_ext_comm_init[89]: [uA]IOT_MQTT_Subscribe(/sys/****/****/_thing/service/post_reply) success[1670291376.333][LK-0309] pub: /sys/****/****/thing/config/log/get[LK-030A] > 7B 22 69 64 22 3A 22 31  22 2C 22 76 65 72 73 69 | {"id":"1","versi
[LK-030A] > 6F 6E 22 3A 22 31 2E 30  22 2C 22 70 61 72 61 6D | on":"1.0","param
[LK-030A] > 73 22 3A 7B 22 67 65 74  54 79 70 65 22 3A 22 63 | s":{"getType":"c
[LK-030A] > 6F 6E 74 65 6E 74 22 2C  22 63 6F 6E 66 69 67 53 | ontent","configS
[LK-030A] > 63 6F 70 65 22 3A 22 64  65 76 69 63 65 22 7D 7D | cope":"device"}}[1670291376.333][LK-0309] pub: /sys/a1laDtv9VrO/866907051837598/thing/deviceinfo/update[LK-030A] > 7B 22 69 64 22 3A 22 32  22 2C 22 76 65 72 73 69 | {"id":"2","versi
[LK-030A] > 6F 6E 22 3A 22 31 2E 30  22 2C 22 70 61 72 61 6D | on":"1.0","param
[LK-030A] > 73 22 3A 5B 7B 22 61 74  74 72 4B 65 79 22 3A 22 | s":[{"attrKey":"
[LK-030A] > 53 59 53 5F 53 44 4B 5F  4C 41 4E 47 55 41 47 45 | SYS_SDK_LANGUAGE
[LK-030A] > 22 2C 22 61 74 74 72 56  61 6C 75 65 22 3A 22 43 | ","attrValue":"C
[LK-030A] > 22 2C 22 64 6F 6D 61 69  6E 22 3A 22 53 59 53 54 | ","domain":"SYST
[LK-030A] > 45 4D 22 7D 7B 22 61 74  74 72 4B 65 79 22 3A 22 | EM"}{"attrKey":"
[LK-030A] > 53 59 53 5F 4C 50 5F 53  44 4B 5F 56 45 52 53 49 | SYS_LP_SDK_VERSI
[LK-030A] > 4F 4E 22 2C 22 61 74 74  72 56 61 6C 75 65 22 3A | ON","attrValue":
[LK-030A] > 22 61 6F 73 2D 72 2D 33  2E 30 2E 30 22 2C 22 64 | "aos-r-3.0.0","d
[LK-030A] > 6F 6D 61 69 6E 22 3A 22  53 59 53 54 45 4D 22 7D | omain":"SYSTEM"}
[LK-030A] > 7B 22 61
***** connect lp succeed****
handle 0x80b9ff00
iot_device_handle:0x80b9ff00
ota register default status cb[1670291376.444][LK-0309] sub: /ota/device/upgrade//****/****/
ota Public topic:/sys/****/****/thing/deviceinfo/updateota Public msg:{"id":"0","version":"1.0","params":[{"attrKey":"SYS_OTA_ID","attrValue":"HOTA-3.3.0-1-0-0"}],"method":"thing.deviceinfo.update"}[1670291376.444][LK-0309] pub: /sys/****/****/thing/deviceinfo/update[LK-030A] > 7B[LK-030A] > 73 22 3A 5B 7B 22 61 74  74 72 4B 65 79 22 3A 22 | s":[{"attrKey":"
[LK-030A] > 53 59 53 5F 4F 54 41 5F  49 44 22 2[LK-030A] > 33 2E 30 2D 31 2D 30 2D  30 22 7D 5D 2C 22 6D 65 | 3.0-1-0-0"}],"me
[LK-030A] > 74 68 6F 64 22 3A 22 74  68 69 6E 67 2E 64 65 76 | thod":"thing.dev
[LK-030A] > 69 63 65 69 6E 66 6F 2E  75 70 64 61 74 65 22 7D | iceinfo.update"}
[LK-030A] > 0ota rollback err1:-1ota ota init fail, ret:-1[  12.000]<E>APP_OTA customer ota init failed!ota report submode versionota Public topic:/ota/device/inform/a1laDtv9VrO/866907051837598 msg:{"id":0,"params":{"version":"amp-v2.03","module":"system"}}[167029137[LK-030A] > 2D 76 32 2E 30 33 22 2C  22 6D 6F 64 75 6C 65 22 | -v2.03","module"
[LK-030A] > 3A 22 73 79 73 74 65 6D  22 7D 7D 0ota Public topic:/ota/device/inform/a1laDtv9VrO/866907051837598 msg:{"id":0,"params":{"version":"1.0.1"}}[1670291376.555][LK-0309] pub: /ota/device/inform/a1laDtv9VrO/866907051837598[LK-030A] > 7B 22 69 64 22 3A 30 2C  22 70 61 72 61 6D 73 22 | {"id":0[LK-030A] > 3A 7B 22 76 65 72 73 69  6F 6E 22 3A 22 31 2E 30 | :{"version":"1.0
[LK-030A] > 2E 31 22 7D 7D 00
[LK-030A] < 7B 22 63 6F 64 65 22 3A  32 30 30 2C 22 64 61 74 | {"code":200,"dat
[LK-030A] < 61 22 3A 7B 22 63 6F 6E  74 65 6E[LK-030A] < 64 22 3A 22 31 22 2C 22  6D 65 74 68 6F 64 22 3A | d":"1","method":
[LK-030A] < 22 74 68 69 6E 67 2E 63  6F 6E 66 6[LK-030A] < 3A 22 31 2E 30 22 7D                             | :"1.0"}[1670291376.666][LK-1507] LOGPOST user log config arrived
user log switch state is: 0
toggle it using the switch in device detail page in https://iot.console.aliyun.com
[[LK-030A] < 73 22 2C 22 6D 65 74 68  6F 64 22 3A 22 74 68 69 | s","method":"thi
[LK-030A] < 6E 67 2E 64 65 76 69 63  65 69 6E 6[LK-030A] < 73 22 2C 22 6D 65 74 68  6F 64 22 3A 22 74 68 69 | s","method":"thi
[LK-030A] < 6E 67 2E 64 65 76 69 63  65 69 6E 66 6F 2E 75 70 | ng.deviceinfo.up
[LK-030A] < 64 61 74 65 22 2C 22 76  65 72 73 69 6F 6E 22 3A | date","version":
[LK-030A] < 2--------------------- aliyun connect --------------------------
[1670291376.666][LK-0309] pub: /sys/a1laDtv9VrO/866907051837598/thing/event/property/post[LK-030A] > 7B 22 69 64 22 3A 22 33  22 2C 22 76 65 72 73 69 | {"id":"3","versi
[LK-030A] > 6F 6E[LK-030A] > BE 93 E5 85 A5 E8 AF AD  E9 9F B3 E4 BF A1 E6 81 | ................
[LK-030A] > AF 22 7D 2C 22 73 79 73  22 3A 7B 2MicroPython f036710-dirty on 2022-09-21, 14:50:41; haas506 with SLM320
Type "help()" for more information.
>>> [1670291376.777][LK-0309] pub: /sys/a1laDtv9VrO/866907051837598/thing/event/property/post_reply[LK-030A] < 7B 22 63 6F 64 65 22 3A  32 30 30 2C 22 64 61 74 | {"code":200,"dat
[LK-030A] < 61 22 3A 7B 7D 2C 22 69  64 22 3A 22 33 22 2C 22 | a":{},"id":"3","
[LK-030A] < 6D 65 73 73 61 67 65 22  3A 22 73 75 63 63 65 73 | message":"succes
[LK-030A] < 73 22 2C 22 6D 65 74 68  6F 64 22 3A 22 74 68 69 | s","method":"thi
[LK-030A] < 6E 67 2E 65 76 65 6E 74  2E 70 72 6F 70 65 72 74 | ng.event.propert
[LK-030A] < 79 2E 70 6F 73 74 22 2C  22 76 65 72 73 69 6F 6E | y.post","version
[LK-030A] < 22 3A 22 31 2E 30 22 7D                          | ":"1.0"}[1670291376.777][LK-0A08] DM recv generic reply
[1670291376.888][LK-0309] pub: /sys/a1laDtv9VrO/866907051837598/thing/event/property/post_reply[LK-030A] < 7B 22 63 6F 64 65 22 3A  32 30 30 2C 22 64 61 74 | {"code":200,"dat
[LK-030A] < 61 22 3A 7B 7D 2C 22 69  64 22 3A 22 34 22 2C 22 | a":{},"id":"4","
[LK-030A] < 6D 65 73 73 61 67 65 22  3A 22 73 75 63 63 65 73 | message":"succes
[LK-030A] < 73 22 2C 22 6D 65 74 68  6F 64 22 3A 22 74 68 69 | s","method":"thi
[LK-030A] < 6E 67 2E 65 76 65 6E 74  2E 70 72 6F 70 65 72 74 | ng.event.propert
[LK-030A] < 79 2E 70 6F 73 74 22 2C  22 76 65 72 73 69 6F 6E | y.post","version
[LK-030A] < 22 3A 22 31 2E 30 22 7D                          | ":"1.0"}[1670291376.888][LK-0A08] DM recv generic reply

2、阿里云平台，打开实时刷新，物模型会接收到开机默认物模型数据。

3.应用平台开发

以下是物联网应用开发流程，接下来按以下流程介绍移动端应用的开发。

3.1新建‘普通项目’

使用阿里云IoTStudio创建项目。
在项目管理新建空白项目

3.2关联产品和设备

3.3新建移动应用

添加组件
配置组件信息
1，文字
2，文本框
- 配置数据源
- 数据源
- 配置交互
配置按钮
- 配置交互
保存与预览
手机扫描二维码就可在移动端应用

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