for ( int i = 0; i < 10; ++i ) // initialize elements of array n to 0 { n[ i ] = 0; // set element at location i to 0 Serial.print (i) ; Serial.print (‘\r’) ; } for ( int j = 0; j < 10; ++j ) // output each array element's value { Serial.print (n[...
#define XPOS 0 // Indexes into the 'icons' array in function below #define YPOS 1 #define DELTAY 2 void testanimate(const uint8_t *bitmap, uint8_t w, uint8_t h) { int8_t f, icons[NUMFLAKES][3]; // Initialize 'snowflake' positions for (f = 0; f < NUMFLAKES; f++) {...
Serial.println(F("pushColors() expects uint16 array in SRAM")); Serial.println(F("for any runtime generated images")); Serial.println(F("but it expects uint8_t array of serialised bytes in Flash")); Serial.println(F("")); Serial.println(F("Colour TFTs are natively big-endian"))...
11.14 String object( String类) 11.15 array(数组) 十二、数据类型转换 12.1 char() 12.2 byte() 12.3int() 12.4 word() 12.5 long() 12.6 float() 十三、变量作用域&修饰符 13.1 variable scope(变量的作用域) 13.2 static(静态变量) 13.3 volatile 13.4 const 十四、辅助工具 14.1sizeof() 函数部分 十五...
int num1 = 123; float num2 = 3.14; const char* str = "Hello, Arduino!"; String str1 = String::format("num1 = %d, num2 = %.2f, str = %s", num1, num2, str); // 输出字符串:num1 = 123, num2 = 3.14, str = Hello, Arduino! 在使用 String::format() 函数时,需要注意一...
11.15 array (数组) 十二、数据类型转换 12.1 char() 12.2 byte() 12.3 int() 12.4 word() 12.5 long() 12.6 float() 十三、变量作用域 &修饰符 13.1 variable scope(变量的作用域) 13.2 static(静态变量) 13.3 volatile 13.4 const 十四、辅助工具 ...
10、operandlIIli0 1 0 1 operand20 1 1 1 (operand1 | operand2) - returned result这是一个使用一小断C+玳码描述的按位或运算的例子:int a = 92;I按位与和按位或的一个共同的工作是在端口上进行程序员称之为读-改-写的操作.在微限制器中,每个端口是一个 8位数字,每一位表示一个引脚的状态....
18, 95, 14, 90, 70, 60, 37 ;void setup () void loop () for ( int i = 0; i < 10; +i ) / initialize elements of array n to 0 Serial.print (i) ; Serial.print (r) ; for ( int j = 0; j < 10; +j ) / output each array element's value Serial.print (nj) ; Ser...
byte int Unsigned int word long Unsigned long short float double array String-chararray String-object 关键字 说明 void void关键字仅用于函数声明。它表示该函数预计不会向调用它的函数返回任何信息。 例子 Void Loop ( ) { // rest of the code } 1. 2. 3. Boolean 布尔值保存两个值之一,true或...
Here’s an example code that uses the sizeof() function to determine the length of an integer array: int myArray[]={1,2,3,4,5}; void setup(){ Serial.begin(9600); } void loop(){ int arrayLength = sizeof(myArray)/sizeof(myArray[0]); ...