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iansun2 2 years ago
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  1. 30
      data/main.css
  2. 91
      data/main.html
  3. 39
      include/README
  4. 46
      lib/README
  5. 18
      platformio.ini
  6. 139
      src/main.cpp
  7. 11
      test/README

30
data/main.css
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body{
display: flex;
align-items: center;
justify-content: center;
margin: 0 auto;
height: 100vh;
background-color: #f1f1f1;
}
table{
width: 80%;
}
.font{
font-size: 2em;
font-family: 'Impact', 'fantasy';
text-align: center;
}
.td_title{
width: 200px;
}
.td_data{
width: 100px;
}
input{
vertical-align: middle;
}

91
data/main.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>HEAT</title>
<link rel="stylesheet" href="main.css">
<script>
var gateway = 'ws://' + window.location.hostname + '/ws';
var websocket;
function initWebSocket() {
console.log('Trying to open a WebSocket connection...');
websocket = new WebSocket(gateway);
websocket.onopen = onOpen;
websocket.onclose = onClose;
websocket.onmessage = onMessage; // <-- add this line
}
function onOpen(event) {
console.log('Connection opened');
}
function onClose(event) {
console.log('Connection closed');
setTimeout(initWebSocket, 2000);
}
function onMessage(event) {
var head = String(event.data).slice(0, 3);
var data = String(event.data).slice(3);
console.log([head, data]);
if(head == "h1c"){
document.getElementById("temp1_current").innerHTML = data;
}else if(head == "h2c"){
document.getElementById("temp2_current").innerHTML = data;
}else if(head == "h1t"){
document.getElementById("temp1_target_report").innerHTML = data;
}else if(head == "h2t"){
document.getElementById("temp2_target_report").innerHTML = data;
}
}
window.addEventListener('load', onLoad);
function onLoad(event) {
initWebSocket();
}
function update_text(element){
var power = document.getElementById("power_slider").value;
document.getElementById("now_var").innerHTML = power;
}
function send_val(element){
var data
if(element == document.getElementById("temp1_target")){
data = "h1t" + document.getElementById("temp1_target").value
}else if(element == document.getElementById("temp2_target")){
data = "h2t" + document.getElementById("temp2_target").value
}
websocket.send(data);
}
</script>
</head>
<body>
<dev>
<table>
<tr>
<td class="font td_title">HEAT 0</td>
<td class="font td_title">current</td>
<td class="font td_data" id="temp1_current">0</td>
<td class="font td_title">target</td>
<td class="font td_data" id="temp1_target_report">0</td>
<td class="font">
<input type="text" id="temp1_target" min="0" max="300" placeholder="target temp" onchange="send_val(this)">
</td>
</tr>
<tr>
<td class="font td_title">HEAT 1</td>
<td class="font td_title">current</td>
<td class="font td_data" id="temp2_current">0</td>
<td class="font td_title">target</td>
<td class="font td_data" id="temp2_target_report">0</td>
<td class="font">
<input type="text" id="temp2_target" min="0" max="300" placeholder="target temp" onchange="send_val(this)">
</td>
</tr>
</table>
</dev>
</body>
</html>

39
include/README
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This directory is intended for project header files.
A header file is a file containing C declarations and macro definitions
to be shared between several project source files. You request the use of a
header file in your project source file (C, C++, etc) located in `src` folder
by including it, with the C preprocessing directive `#include'.
```src/main.c
#include "header.h"
int main (void)
{
...
}
```
Including a header file produces the same results as copying the header file
into each source file that needs it. Such copying would be time-consuming
and error-prone. With a header file, the related declarations appear
in only one place. If they need to be changed, they can be changed in one
place, and programs that include the header file will automatically use the
new version when next recompiled. The header file eliminates the labor of
finding and changing all the copies as well as the risk that a failure to
find one copy will result in inconsistencies within a program.
In C, the usual convention is to give header files names that end with `.h'.
It is most portable to use only letters, digits, dashes, and underscores in
header file names, and at most one dot.
Read more about using header files in official GCC documentation:
* Include Syntax
* Include Operation
* Once-Only Headers
* Computed Includes
https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

46
lib/README
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This directory is intended for project specific (private) libraries.
PlatformIO will compile them to static libraries and link into executable file.
The source code of each library should be placed in a an own separate directory
("lib/your_library_name/[here are source files]").
For example, see a structure of the following two libraries `Foo` and `Bar`:
|--lib
| |
| |--Bar
| | |--docs
| | |--examples
| | |--src
| | |- Bar.c
| | |- Bar.h
| | |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
| |
| |--Foo
| | |- Foo.c
| | |- Foo.h
| |
| |- README --> THIS FILE
|
|- platformio.ini
|--src
|- main.c
and a contents of `src/main.c`:
```
#include <Foo.h>
#include <Bar.h>
int main (void)
{
...
}
```
PlatformIO Library Dependency Finder will find automatically dependent
libraries scanning project source files.
More information about PlatformIO Library Dependency Finder
- https://docs.platformio.org/page/librarymanager/ldf.html

18
platformio.ini
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; PlatformIO Project Configuration File
;
; Build options: build flags, source filter
; Upload options: custom upload port, speed and extra flags
; Library options: dependencies, extra library storages
; Advanced options: extra scripting
;
; Please visit documentation for the other options and examples
; https://docs.platformio.org/page/projectconf.html
[env:nodemcuv2]
platform = espressif8266
board = nodemcuv2
framework = arduino
lib_deps = ottowinter/ESPAsyncWebServer-esphome@^3.0.0
board_build.filesystem = littlefs
upload_speed = 921600
monitor_speed = 115200

139
src/main.cpp
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#include <Arduino.h>
#include <ESPAsyncWebServer.h>
#include <ESP8266WiFi.h>
#include <LITTLEFS.h>
#include <Ticker.h>
/*===== Define =====*/
/*[const]*/
#define HEAT_OFF -300
/*[wifi]*/
#define AP_SSID "test"
#define AP_PASSWD "sonofussr"
#define AP_CHANNEL 1
#define AP_MAX_CLIENT 4
/*[heat]*/
#define MAX_TEMP 350
/*===== Object =====*/
AsyncWebServer server(80);
AsyncWebSocket ws("/ws");
Ticker temp_reporter;
/*===== Variable =====*/
//-300: off
double temp1_current = 0;
double temp1_target = HEAT_OFF;
double temp2_current = 0;
double temp2_target = HEAT_OFF;
/*===== Handler =====*/
void handleWebSocketMessage(void *arg, uint8_t *data, size_t len) {
AwsFrameInfo *info = (AwsFrameInfo*)arg;
if (info->final && info->index == 0 && info->len == len && info->opcode == WS_TEXT) {
data[len] = '\0';
Serial.println((char*)data);
String str_data = (String)(char*)data;
String head = str_data.substring(0,3);
String body = str_data.substring(3,str_data.length());
Serial.println("head: "+ head + " body: " + body);
if(head == "h1t"){
temp1_target = body.toDouble();
}else if(head == "h2t"){
temp2_target = body.toDouble();
}
//Serial.println(power);
//pinMode(LED_PIN, 0);
//LED_handler.attach_ms(300, led_off);
}
}
void onEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventType type, void *arg, uint8_t *data, size_t len) {
switch (type) {
case WS_EVT_CONNECT:
Serial.printf("WebSocket client #%u connected from %s\n", client->id(), client->remoteIP().toString().c_str());
temp1_target = HEAT_OFF;
temp2_target = HEAT_OFF;
break;
case WS_EVT_DISCONNECT:
Serial.printf("WebSocket client #%u disconnected\n", client->id());
temp1_target = HEAT_OFF;
temp2_target = HEAT_OFF;
break;
case WS_EVT_DATA:
handleWebSocketMessage(arg, data, len);
break;
case WS_EVT_PONG:
case WS_EVT_ERROR:
temp1_target = HEAT_OFF;
temp2_target = HEAT_OFF;
break;
}
}
void temp_report_handler(){
ws.textAll("h1c" + String(temp1_current));
ws.textAll("h2c" + String(temp2_current));
ws.textAll("h1t" + String(temp1_target));
ws.textAll("h2t" + String(temp2_target));
Serial.println("report temp" + String(" h1c: ") + String(temp1_current) + " h2c: " + String(temp2_current) + " h1t: " + String(temp1_target) + " h2t: " + String(temp2_target));
}
/*===== Main =====*/
void setup() {
Serial.begin(115200);
//init LittleFS
if(!LittleFS.begin()){
Serial.println("fail init fs");
return;
}
//show all files
Dir root = LittleFS.openDir("/");
while (root.next()) {
File file = root.openFile("r");
Serial.print(" FILE: ");
Serial.print(root.fileName());
Serial.print(" SIZE: ");
Serial.println(file.size());
file.close();
}
//init Wifi
WiFi.softAP(AP_SSID, AP_PASSWD, AP_CHANNEL, 0, AP_MAX_CLIENT);
//web handler
ws.onEvent(onEvent);
server.addHandler(&ws);
server.onNotFound([](AsyncWebServerRequest *request){ request->redirect("/"); }); //captive portal redirect
server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){ request->send(LittleFS, "/main.html", "text/html"); }); //main html
server.on("/main.css", HTTP_GET, [](AsyncWebServerRequest *request){ request->send(LittleFS, "/main.css", "text/css"); }); //main css
server.begin();
temp_reporter.attach(0.5, temp_report_handler);
}
void loop() {
temp1_current = rand()%100;
temp2_current = rand()%100;
delay(100);
}

11
test/README
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This directory is intended for PlatformIO Test Runner and project tests.
Unit Testing is a software testing method by which individual units of
source code, sets of one or more MCU program modules together with associated
control data, usage procedures, and operating procedures, are tested to
determine whether they are fit for use. Unit testing finds problems early
in the development cycle.
More information about PlatformIO Unit Testing:
- https://docs.platformio.org/en/latest/advanced/unit-testing/index.html
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