1 打开arduino软件，初始化串口 2 使用Serial.read()函数循环读缓存读一个少一个，最后读完返回-1，则表示缓存清除了。3 在需要清除缓存的地方调用clear_buffer函数。清除串口调试窗接收区数据 1 打开串口调试窗口 2 通过串口接收数据 3 点右下角的波特率下拉菜单，重新点一下当前波特率或者其他波特率，则接收缓冲区...
while(Serial.read()>= 0){}//clear serialbuffer } voidloop() { // read data from serial port while(Serial.available()>0){ comchar = Serial.peek(); Serial.print("Serial.peek: "); Serial.println(comchar); delay(100); } } 实验结果 从实验结果可以看出:Serial.peek()每次从串口缓存中...
myPort.clear(); // clear the serial port buffer firstContact = true; // you’ve had first contact from the microcontroller myPort.write(‘A’); // ask for more } } else { // Add the latest byte from the serial port to array: serialInArray[serialCount] = inByte; serialCount++; ...
GetDistance(); Serial.print(distance); Serial.println(" cm"); u8g2.clearBuffer(); //u8g2.setFont(u8g2_font_fub30_tf); u8g2.setFont(u8g2_font_courB24_tf); u8g2.drawStr(0, 30, "Distance"); //u8g2.drawStr(0,40,distance); // u8g2.setFont(u8g2_font_6x12_tn); u8g...
Serial.print(F(" dy: ")); Serial.println(icons[f][DELTAY], DEC); } for (;;) { // Loop forever... display.clearDisplay(); // Clear the display buffer // Draw each snowflake: for (f = 0; f < NUMFLAKES; f++) { display.drawBitmap(icons[f][XPOS], icons[f][YPOS], bit...
22.6 bitClear() 22.7 bit() 二十三、设置中断函数 23.1 attachInterrupt() 23.2 detachInterrupt() 二十四、开关中断 24.1 interrupts()(中断) 24.2 noInterrupts()(禁止中断) 二十五、通讯 25.1 Serial 25.1.1 if(Serial) 25.1.2 Serial.available()
String: Avoid copying past end of buffer in ::concat (#8198) Call umm_init just before starting SDK (#8207) Clean up use of "byte" as a type. uint8_t or (C++17) std::byte are better. (#8090) Fix PRxxx printf format macros (#8222) Libraries Update to EspSoftwareSerial bug fix...
22.6 bitClear() 22.7 bit() 二十三、设置中断函数 23.1 attachInterrupt() 23.2 detachInterrupt() 二十四、开关中断 24.1 interrupts()(中断) 24.2 noInterrupts()(禁止中断) 二十五、通讯 25.1 Serial 25.1.1 if (Serial) 25.1.2 Serial.available()
size ( 512 , 512 ) ; // window size // we are opening the port myPort = new Serial(this, Serial.list()[0], 9600); myPort.bufferUntil('\n'); // choose the font and size f = createFont("Arial", 16, true); // Arial, 16px, anti-aliasing textFont ( f, 16 ) ; // siz...
myPort =newSerial(this,"COM43",9600);println(myPort); myPort.bufferUntil('\\n'); background(80) 在下面的函数中,我们从串行端口接收数据并提取所需的数据,然后将其映射到图形的大小。 //extractingallrequiredvaluesofallthree axis:intl1=inString.indexOf("x=")+2; ...