单片机录波系统

1 开发目标

（1）基于TIM+ADC+DMA实现固定频率的电压连续采集

（2）基于esp8266+AT指令+tcp的波形数据分包传输

（3）模拟物联网架构，编写边设备的数据收集程序与边缘计算程序

（4）搭建mqtt broker，并完成qt端和linux-c端的主题订阅与发布

（5）Qt应用程序展示波形数据

2 系统设计

2.1 系统结构

2.2 模块划分

序号	程序名称	主要功能
1	Qt应用程序	可视化展示波形数据，下发实时采集指令
2	边缘计算程序	基于采集的实时波形进行边缘计算(最大值、最小值、平均值及数据单位转换)，报文协议的整合与转换，将数据发布到Mqtt Broker
3	数据接收程序	汇总不同装置装置的多种采集数据
4	U5单片机	数据采集

2.3 通信接口

序号	接口名称	使用模块
1	MQTT协议	Qt应用程序、边缘计算程序
2	IPC消息队列格式	边缘计算程序、数据接收程序
3	自定义通信协议	数据接收程序、U5单片机

3 通信接口

3.1 MQTT协议

3.1.1 命令：装置上传装置ID指令

主题	cmd_deviceid
功能	让装置立马上传自己的deviceid
发布者	Qt应用程序
订阅者	边缘计算程序
示例
{ }

3.1.2 命令：装置采集波形指令

主题	cmd_wave
功能	立马采集一条波形
发布者	Qt应用程序
订阅者	边缘计算程序
示例
{     "deviceid":"1111" }

3.1.3 数据：装置上传装置ID

主题	data_deviceid
功能	获取在线装置列表
发布者	边缘计算程序
订阅者	Qt应用程序
示例
{     "deviceid":"1111",     "online-time":"2020-12-12 10:10:10" }

3.1.4 数据：装置上传采集的波形数据

主题	data_wave
功能	传输波形数据。注意：波形数据固定传输1000个点
发布者	边缘计算程序
订阅者	Qt应用程序
示例
{     "deviceid":"1111",     "takeTime":"2020-12-12 10:10:10",     "takeMs" : 123,     "maxValue" : 100,     "minValue" : 10,     "avgValue" : 50,     "dataLen" : 1000,     "datas" : [1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10] }

3.2 IPC消息队列格式

采集指令：msgtype=1 数据域1字节

波形数据：msgtype=2 数据域4000字节，1000个点，每个点unsigned int类型

3.3 自定义通信协议

• 报文格式

• 报文种类
• 报文类型==1  采集波形指令
• 报文类型==2  波形数据传输

4 部分模块设计

4.1 Qt应用程序

没什么好写的，贴两张效果图：

（1）波形列表，双击表格中的某一行以图形的方式展示具体的波形

（2）波形图

4.2 边缘计算程序设计

5 上源码

[email protected]/录波系统