前文：
petalinux_zynq7 C语言驱动DAC以及ADC模块之一：建立IP
https://blog.csdn.net/qq_27158179/article/details/136234296petalinux_zynq7 C语言驱动DAC以及ADC模块之二：petalinuxhttps://blog.csdn.net/qq_27158179/article/details/136236138petalinux_zynq7 C语言驱动DAC以及ADC模块之三：实现C语言API并编译出库被python调用https://blog.csdn.net/qq_27158179/article/details/136238093petalinux_zynq7 C语言驱动DAC以及ADC模块之四：python实现http_apihttps://blog.csdn.net/qq_27158179/article/details/136239572注意暂时mizar z7010暂时无法部署本web，提示堆栈内存不足，编译出错。但是可以在局域网内的linux或者windows机子上部署。nodejs是跨平台的。
0. 环境
-
win10
-
vscode
-ubuntu18
1. 搭建环境-win10
1.1 安装 node
安装 node-v20.10.0-x64.msi
安装到：
D:\Programs\nodejs\
cmd
node -v
npm -v
在node.js安装路径D:\Programs\nodejs下新建 node_cache 和 node_global 文件夹，
然后在cmd中运行
npm config set prefix "D:\Programs\nodejs\node_global"
npm config set cache "D:\Programs\nodejs\node_cache"
配置镜像加速，输入命令
npm config set registry=http://registry.npm.taobao.org
配置环境变量
在系统变量中新增
NODE_PATH D:\Programs\nodejs\node_global
在用户变量中的Path中新增
D:\Programs\nodejs\node_global
重新打开 cmd
1.2 全局安装 vue
npm install vue -g
npm install @vue/cli -g
vue -V
1.3 vue ui 创建项目
cmd
vue ui
浏览器切换到：http://localhost:8000/project/select
-> Create
-> 文件夹浏览到： E:\Workspaces\web
-> + Create a new project here
-> Details.Project folder: adda_vue
-> Details.Package manager: npm
-> 取消勾选 Git repository
-> Next
-> Presets.Select a preset: Manual -> Next
-> Features.Enable features: 勾选 Babel, Router, Vuex, Linter
-> Pick a linter / formatter config: ESLint with error prevention only
-> Create project
-> Continue without saving
-> Project dashboard -> Tasks ->
-> build: Run task
-> serve: Run task
-> serve: Run task
-> 点击 输出
->
App running at:
-
Local: http://localhost:8081/
-
Network: http://192.168.123.238:8081/
1.4 helloworld
浏览器打开 http://localhost:8081/
2. 搭建环境-ubuntu18
2.1 安装 nodejs
下载
https://nodejs.org/en/download/
得到
node-v16.20.2-linux-x64.tar.xz
解压
tar -xvf node-v16.20.2-linux-x64.tar.xz
export PATH=$PATH:/home/xxjianvm/work/node-v16.20.2-linux-x64/bin
node -v
npm -v
配置镜像加速，输入命令
npm config set registry=http://registry.npm.taobao.org
2.2 全局安装 vue
npm install vue -g
npm install @vue/cli -g
npm install @vue/cli-init -g
vue -V
问题：FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory
解决办法：npm install -g increase-memory-limit
在zynq上空白项目可以解决，但是后面增加了功能后仍会出现，暂未解决。
2.3 创建项目
用vue create
cd ~
mkdir work && cd work
vue create adda_vue
-> manual
-> Features.Enable features: 勾选 Babel, Router, Vuex, Linter
-> 3.x
-> ESLint with error prevention only
-> Lint on save
-> In dedicated config files
cd adda_vue
npm run serve
目前虚拟机内的ubuntu18自带火狐，显示白屏。和当前版本的nodejs + vue3不兼容。
浏览器打开 http://192.168.125.137:8080/
后续win10和ubuntu开发vue3的编程方法一样。
3. 新增页面Adc
切换目录
cd /home/xxjianvm/work/adda_vue/
3.1 AdcWave.vue
添加文件：
gedit src/components/AdcWave.vue
添加内容：
<template>
<div class="hello">
<h1>{{ msg }}</h1>
<h2>Essential Links</h2>
<ul>
<li><a href="/">Home</a></li>
</ul>
</div>
</template>
<script>
export default {
name: 'AdcWave',
props: {
msg: String
}
}
</script>
3.2 index.js
修改 router/index.js
gedit src/router/index.js
添加
import AdcWave from '@/components/AdcWave.vue'
const routes = [
...
{
path: '/adc',
name: 'adc',
component: AdcWave
},
]
3.3 App.vue
修改 App.vue
gedit src/App.vue
添加：
<router-link to="/adc">Adc</router-link> |
- echarts 折线图 demo
4.1 安装依赖（vscode内的TERMINAL执行也可以）
需要进入项目目录安装
cd /home/xxjianvm/work/adda_vue
npm install vue-echarts echarts
4.2 main.js中全局注册组件
修改 main.js
gedit src/main.js
添加：
import Echarts from "vue-echarts"
import * as echarts from "echarts"
把
createApp(App).use(store).use(router).mount('#app')
修改为：
const app = createApp(App)
app.component("v-chart", Echarts)
app.config.globalProperties.$echarts = echarts
app.use(store).use(router).use(Echarts).mount('#app')
4.3 修改页面
-> 修改 src/components/AdcWave.vue
gedit src/components/AdcWave.vue
4.3.1 <template>添加内容：
<template>
...
<div class="echarts-box">
<div id="myEcharts" :style="{ width: '900px', height: '300px' }"></div>
</div>
</template>
4.3.2 <script>
<script >
import * as echarts from "echarts"
import {onMounted} from "vue";
export default {
name: 'AdcWave',
props: {
msg: String
},
setup() {
onMounted(() => { // 需要获取到element,所以是onMounted的Hook
let myChart = echarts.init(document.getElementById("myEcharts"));
// 绘制图表
myChart.setOption({
xAxis: {
type: 'category',
data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
},
yAxis: {
type: 'value'
},
series: [
{
data: [150, 230, 224, 218, 135, 147, 260],
type: 'line'
}
]
});
window.onresize = function () { // 自适应大小
myChart.resize();
};
});
}
}
</script>
5. 输入文本配置采样频率和数据长度
5.1 安装依赖（vscode内的TERMINAL执行也可以）
需要进入项目目录安装
cd /home/xxjianvm/work/adda_vue
npm install element-plus
npm install axios
5.2 修改main.js中全局注册组件
修改 main.js
gedit src/main.js
直接给出内容：
import { createApp } from 'vue'
import App from './App.vue'
import router from './router'
import store from './store'
import Echarts from "vue-echarts"
import * as echarts from "echarts"
import ElementPlus from "element-plus";
import "element-plus/dist/index.css";
const app = createApp(App)
app.component("v-chart", Echarts)
app.config.globalProperties.$echarts = echarts
app.use(store).use(router).use(echarts).use(ElementPlus)
app.mount('#app')
5.3 vue.config.js
修改 工程根目录下的 vue.config.js
文件内容：
module.exports = {
publicPath: './',
transpileDependencies: true,
devServer: {
// 设置代理
proxy: {
"/api": {
target: "http://192.168.123.138:5000", // 访问数据的计算机域名
ws: true, // 是否启用websockets
changOrigin: true, //开启代理,
pathRewrite: { // 重写代理规则，/api开头，代理到/
'^/api': '/'
// 例：/api/user/login代理到
// http://localhost:5000/user/login
},
},
},
},
};
注意：192.168.123.138是ZYNQ的IP。
5.4 AdcWave.vue内容
编辑文件
gedit src/components/AdcWave.vue
修改内容：
给出文件内容：
<template>
<div class="hello">
<h1>{{ msg }}</h1>
<h2>Essential Links</h2>
<ul>
<li><a href="/">Home</a></li>
</ul>
</div>
<div class="echarts-box">
<div id="myEcharts" :style="{ width: '900px', height: '300px' }"></div>
</div>
<div class="home">
<el-form ref="adcParamFormRef" :model="adcParamForm" class="demo-form-inline" label-width="150px">
<el-form-item label="采样频率">
<el-col :span="5">
<el-input v-model="adcParamForm.sampleFrequency"></el-input>
</el-col>
</el-form-item>
<el-form-item label="采样长度">
<el-col :span="5">
<el-input v-model="adcParamForm.sampleLength"></el-input>
</el-col>
</el-form-item>
</el-form>
<el-button type="primary" @click.enter.prevent="toAdcStart()">开始</el-button>
<el-button type="primary" @click.enter.prevent="toAdcStop()">停止</el-button>
</div>
</template>
<script >
import {onMounted} from "vue";
// @ is an alias to /src
import axios from "axios";
import { ElMessage } from 'element-plus'
import * as echarts from "echarts"
export default {
name: 'AdcWave',
props: {
msg: String
},
data () {
return {
// 这是登录表单的数据绑定对象
adcParamForm: {
sampleFrequency: '100000',
sampleLength: '100'
},
}
},
setup() {
onMounted(() => { // 需要获取到element,所以是onMounted的Hook
var chartDom = document.getElementById('myEcharts');
var myChart = echarts.init(chartDom);
var option;
option = {
title: {
text: 'Dynamic Data & Time Axis'
},
tooltip: {
trigger: 'axis',
formatter: function (params) {
params = params[0];
return (
String(params.value[1])
);
},
axisPointer: {
animation: false
}
},
xAxis: {
name: 'x',
},
yAxis: {
name: 'y',
},
series: [
{
name: 'Fake Data',
type: 'line',
showSymbol: false,
data: [],
}
]
};
function hexToArr(str) {
// hex字符串长度通常都是2的倍数，但为了放止意外，判断一下长度，不是2的倍数就在最前面补0
if (str.length % 2) str = "0" + str
let arr=[]
for (let i = 0; i < str.length; i+=2) {
let a=parseInt(str.slice(i,i+2),16)
arr.push(a)
}
return arr
}
function trim(str) {
var reg = /[\t\r\f\n\s]*/g;
var trimStr;
if (typeof str === 'string') {
trimStr = str.replace(reg,'');
}
// console.log(trimStr)
return trimStr
}
function generateDataFromArr(data_arr) {
let data = [];
for (let i = 0; i <= data_arr.length; i += 1) {
data.push([i, data_arr[i]]);
}
return data;
}
setInterval(function () {
var adc_enable = sessionStorage.getItem("adc_enable")
if(adc_enable == undefined) return;
else if(adc_enable == "false") return;
else{
var adc_sampleFrequency = parseInt(sessionStorage.getItem("adc_sampleFrequency"))
var adc_sampleLength = parseInt(sessionStorage.getItem("adc_sampleLength"))
console.log(adc_sampleFrequency)
console.log(adc_sampleLength)
axios.post("/api/adda/adc",
{
sampleFrequency: adc_sampleFrequency,
adc_length: adc_sampleLength
},{}).then((res) => {
if (res.data.code === 0) {
var adc_data_arr = hexToArr(trim(res.data.hexString))
myChart.setOption({
series: [
{
data: generateDataFromArr(adc_data_arr)
}
]
});
}
});
}
}, 1000);
option && myChart.setOption(option);
});
},
methods: {
toAdcStart(){
ElMessage("开始采样");
sessionStorage.setItem("adc_enable",true)
sessionStorage.setItem("adc_sampleFrequency",this.adcParamForm.sampleFrequency)
sessionStorage.setItem("adc_sampleLength",this.adcParamForm.sampleLength)
},
toAdcStop(){
ElMessage("结束采样");
sessionStorage.setItem("adc_enable",false);
}
}
}
</script>
6. 运行效果[PC]
用postman修改为正弦波输出测试：
下篇：