int(): 将任意类型的值转换成int类型; long(): 将任意类型的值转换成long类型; float(): 将任意类型的值转换成float类型; 结构 setup() 初始化一些变量 void setup() { Serial.begin(9600); //设置波特率 pinMode(13,OUTPUT); //设置某个引脚是输出还是输入 } 1. 2. 3. 4. 5. 6. loop() //...
int Digital_Value=0;float temp_Value=0;void setup(){ Serial.begin(9600); //波特率设置为9600 //由于测温范围为0～100℃,输出电压为0～1V,采用内部1.1V参考电压analogReference(INTERNAL);}void loop(){ Digital_Value=analogRead(A0); //读取电压值(数字量) temp_Value=(float)Digital_Value/1023*110.0...
int Digital_Value=0; float temp_Value=0; void setup(){ Serial.begin(9600); //波特率设置为9600 //由于测温范围为0～100℃,输出电压为0～1V,采用内部1.1V参考电压 analogReference(INTERNAL); } void loop(){ Digital_Value=analogRead(A0); //读取电压值(数字量) temp_Value=(float)Digital_Value/10...
"__INTPTR_TYPE__=int", "__UINT16_TYPE__=short unsigned int", "__WCHAR_TYPE__=short unsigned int", "__SIZEOF_FLOAT__=4", "__UINTPTR_MAX__=4294967295U", "__DEC64_MIN_EXP__=(-382)", "__INT_FAST64_MAX__=9223372036854775807LL", "__GCC_ATOMIC_TEST_AND_SET_TRUEVAL=1", ...
int Fgo = 8; int Rgo = 6; int Lgo = 4; int Bgo = 2; void setup() { Serial.begin(9600); pinMode(pinLB,OUTPUT); pinMode(pinLF,OUTPUT); pinMode(pinRB,OUTPUT); pinMode(pinRF,OUTPUT); pinMode(inputPin, INPUT); pinMode(outputPin, OUTPUT); ...
import processing.serial.*; // import the Processing serial library Serial myPort; // The serial port float bgcolor; // Background color float fgcolor; // Fill color float xpos, ypos; // Starting position of the ball void setup() { size(640, 480); // List all the available serial...
int setMaxCurrentShunt(float ampere = 20.0, float ohm = 0.002, bool normalize = true)set the calibration register based upon the shunt and the max Ampere. From these two values the current_LSB is derived, the steps of the ADC when measuring current. Returns Error code, see below. See #...
float getFloat(); ThefloatversionofgetValue. int getString(char *pre_string,char *post_string,char *buf,int length); Findsthepre_stringand then puts the incoming characters into the given buffer until thepost_stringis detected. The end of the string is determined by a match of a character...
#defineGPS_INT_PIN4pinMode(GPS_INT_PIN,INPUT_PULLUP)GPS_MTK333X_I2CGPS(GPS_INT_PIN);GPS.begin(I2C_SPEED_STANDARD); メソッド bool begin (long SPEED) UARTインタフェースを指定のボーレートで初期化する。準備ができれば真を返す。
auto,break,case,char,const(程序中不可更改的常量值),continue,default,do,double,else,enum,extern,float,for,goto,if,int,long, register,return,short,signed,sizeof,static,struct,switch,typedef,union,unsigned,void,volatile,while. value.charat(5)//返回value字符串的第五个字符;value.length返回字符的长...