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May 14, 2021 08:04
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oF_serialReadExample
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| #include "ofMain.h" | |
| #include "ofApp.h" | |
| //======================================================================== | |
| int main( ){ | |
| ofSetupOpenGL(1024,768,OF_WINDOW); // <-------- setup the GL context | |
| // this kicks off the running of my app | |
| // can be OF_WINDOW or OF_FULLSCREEN | |
| // pass in width and height too: | |
| ofRunApp(new ofApp()); | |
| } |
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| #include "ofApp.h" | |
| namespace { | |
| const int BAUD_RATE = 9600; | |
| } | |
| //-------------------------------------------------------------- | |
| void ofApp::setup() { | |
| serial.listDevices(); | |
| serial.setup(0, BAUD_RATE); | |
| message = ""; | |
| index = 0; | |
| value = 0; | |
| ofSetVerticalSync(true); | |
| ofSetFrameRate(60); | |
| ofBackground(0); | |
| } | |
| //-------------------------------------------------------------- | |
| void ofApp::update() { | |
| // データがなくなるまで１文字ずつシリアルを読む | |
| while (true) { | |
| int c = serial.readByte(); | |
| if (c == OF_SERIAL_NO_DATA || c == OF_SERIAL_ERROR || c == 0) { | |
| break; | |
| } | |
| if (c == '\n') { | |
| // 改行まできたら１行分を区切り文字で分割して値を順番に取り出す | |
| std::vector<std::string> values = ofSplitString(message, "\t"); | |
| if (values.size() == 2) { | |
| index = ofToInt(values.at(0)); | |
| value = ofToInt(values.at(1)); | |
| } | |
| // １行読み込んだらメッセージをクリア | |
| message = ""; | |
| } else { | |
| // 改行以外の文字の場合はメッセージの末尾に追加 | |
| message.push_back(c); | |
| } | |
| } | |
| } | |
| //-------------------------------------------------------------- | |
| void ofApp::draw() { | |
| ofDrawBitmapStringHighlight("index : " + ofToString(index), 10, ofGetHeight() * 0.5); | |
| ofDrawBitmapStringHighlight("value : " + ofToString(value), 10, ofGetHeight() * 0.5 + 20); | |
| } |
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| #pragma once | |
| #include "ofMain.h" | |
| class ofApp : public ofBaseApp { | |
| public: | |
| void setup(); | |
| void update(); | |
| void draw(); | |
| ofSerial serial; | |
| std::string message; | |
| int index; | |
| int value; | |
| }; |
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