FireBeetle 和 CubeCopper 交互的例子
之前介绍过一个 3D 制作软件：CopperCube，它的特点是上手非常简单。这次制作一个例子，可以使得它生成的 EXE和外部发生交互。我们通过外部的两个开关能够控制软件上的两个球体是否发光。基本的原理是：使用 FireBeetle实现一个 WebServer,然后编写一个 CopperCube的Script,在代码种访问这个 WebServer 来获得信息。首先看一下FireBeetle的代码：#include <WiFi.h>#include <WiFiClient.h>
#include <WebServer.h>
#include <ESPmDNS.h>
const char* ssid = " YOURSSID";
const char* password = "PASSWORD";
WebServer server(80);
void handleRoot() {
char str;
if (digitalRead(16)==LOW) {
str='2';
} else {
str='1';
}
if (digitalRead(17)==LOW) {
str='4';
} else {
str='3';
}
str=0;
Serial.println(str);
server.send(200, "text/plain", str);
}
void handleNotFound() {
String message = "File Not Found\n\n";
message += "URI: ";
message += server.uri();
message += "\nMethod: ";
message += (server.method() == HTTP_GET) ? "GET" : "POST";
message += "\nArguments: ";
message += server.args();
message += "\n";
for (uint8_t i = 0; i < server.args(); i++) {
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, "text/plain", message);
}
void setup(void) {
pinMode(16,INPUT_PULLUP);
pinMode(17,INPUT_PULLUP);
Serial.begin(115200);
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
Serial.println("");
// Wait for connection
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
if (MDNS.begin("esp32")) {
Serial.println("MDNS responder started");
}
server.on("/", handleRoot);
server.on("/inline", []() {
server.send(200, "text/plain", "this works as well");
});
server.onNotFound(handleNotFound);
server.begin();
Serial.println("HTTP server started");
}
void loop(void) {
server.handleClient();
delay(2);//allow the cpu to switch to other tasks
}
上面的代码会根据当前按钮状态输出不同的数据，通过浏览器可以访问到，这样调试也很方便。
var HttpRequest=256;
var Frame=0;
function finishedRequest(dataReceived)
{
//print("finished request! Data size:" + dataReceived.length);
//print("contains:[" + dataReceived+"]");
if (dataReceived.search("1")!=-1) {
cube = ccbGetSceneNodeFromName("Light1");
ccbSetSceneNodeProperty(cube, "Color", new vector3d(1, 0, 0));
}
if (dataReceived.search("2")!=-1) {
cube = ccbGetSceneNodeFromName("Light1");
ccbSetSceneNodeProperty(cube, "Color", new vector3d(1, 1, 1));
}
if (dataReceived.search("3")!=-1) {
cube = ccbGetSceneNodeFromName("Light2");
ccbSetSceneNodeProperty(cube, "Color", new vector3d(0, 1, 0));
}
if (dataReceived.search("4")!=-1) {
cube = ccbGetSceneNodeFromName("Light2");
ccbSetSceneNodeProperty(cube, "Color", new vector3d(1, 1, 1));
}
}
function onFrameDrawing()
{
if (Frame==100) {
HttpRequest=ccbDoHTTPRequest("http://192.168.1.24/", finishedRequest);
Frame=0;
} else { Frame++; }
if (HttpRequest==0) {
//
}
}
ccbRegisterOnFrameEvent(onFrameDrawing);
需要注意的是代码中访问了一个 IP，这个是 Firebeetle 运行时路由器分配给它的IP，具体可以在串口调试信息中看到，每次可能会有所不同。
ccbDoHTTPRequest("http://192.168.1.24/", finishedRequest);
最终，测试的视频在：
https://www.bilibili.com/video/BV19h411F7fJ/?share_source=copy_web&vd_source=5ca375392c3dd819bfc37d4672cb6d54
对应的代码如下：
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