if( oldMax[i] > newHeight) { for(intj = oldMax[i]; j > newHeight; j -= 2) { display.drawFastHLine(barX , j, 7, SSD1306_BLACK); } } // 绘制新的最大级别 for(intj = newMax; j > newHeight; j -= 2) { display.drawFastHLine(barX , j, 7, SSD1306_WHITE); } // ...
dmpReady) return; // read a packet from FIFO if (mpu.dmpGetCurrentFIFOPacket(fifoBuffer)) { // Get the Latest packet #ifdef OUTPUT_READABLE_QUATERNION // display quaternion values in easy matrix form: w x y z mpu.dmpGetQuaternion(&q, fifoBuffer); Serial.print("quat\t"); Serial....
return 1;} //返回1,相当于调用这个函数后得到的值是1 else{ return 0; //返回0,相当于调用这个函数后得到的值是0 } } return关键字可以很方便的测试一段代码,而无需“comment out(注释掉)” 大段的可能存在bug的代码。 void loop(){ //写入漂亮的代码来测试这里。 return; //剩下的功能异常的程序 ...
returnvalue;// 两种形式均可 参数 value:任何变量或常量的类型 例子 一个比较传感器输入阈值的函数 intcheckSensor(){ if(analogRead(0)>400){ return1;}8 else{ } } return0; return 关键字可以很方便的测试一段代码,而无需“comment out(注释掉)”大段的可能 存在bug的代码。 voidloop(){ //写入漂亮...
//adjust these values to fit your own design double Kp = 50; double Kd = 1.4; double Ki = 60; PID pid(&input, &output, &setpoint, Kp, Ki, Kd, DIRECT); double motorSpeedFactorLeft = 0.6; double motorSpeedFactorRight = 0.5; ...
//These two values differ from sensor to sensor. user should derermine this value. #define ZERO_POINT_VOLTAGE (0.324) //define the output of the sensor in volts when the concentration of CO2 is 400PPM #define REACTION_VOLTGAE (0.020) //define the voltage drop of the sensor when move th...
_2) ) { Serial.println(F("ID check")); Serial.println(String("ID is ") + String(id, HEX)); //return false; } /* Set ENABLE register to 0 (disable all features) */ if ( !setMode(ALL, OFF) ) { Serial.println(F("Regs off")); return false; } /* Set default values for...
//GPIO pin used to enable the RX antenna of the SX126xhwConfig.RADIO_RXEN = RADIO_RXEN;//GPIO pin used to enable the TX antenna of the SX126xhwConfig.USE_DIO2_ANT_SWITCH =false;//True if DIO2 is used to switch the antenna from RX to TXhwConfig.USE_DIO3_TCXO =true;//True ...
//How many previous sensor values decides if we are on a peak/HIGH (e.g. in a song) #define LONG_SECTOR 20 //Mneumonics #define HIGH 3 #define NORMAL 2 //How long do we keep the "current average" sound, before restarting the measuring ...
2. 3. 创建它很简单: def classifier(): # SVM分类器构建 clf = svm.SVC(C=0.5, #误差项惩罚系数,默认值是1 kernel='linear', #线性核 kenrel="rbf":高斯核 decision_function_shape='ovr') #决策函数 return clf 1. 2. 3. 4. 5.