'_codecs_jp', '_codecs_kr', '_codecs_tw', '_collections', '_csv', '_datetime', '_functools', '_heapq', '_imp', '_io', '_json', '_locale', '_lsprof', '_md5', '_multibytecodec', '_opcode', '_operator', '_pickle', '_random', '_sha1', '_sha256', '_sha...
by Tom Igoe http://www.arduino.cc/en/Tutorial/StringAppendOperator This example code is in the public domain. */ String stringOne, stringTwo; void setup() { // Open serial communications and wait for port to open: Serial.begin(9600); while (!Serial) { ; // wait for serial port to...
In the DigitallnputPullup program, there is a relational operator ==, which is not the same as the assignment operator =, and the double equal sign is an operation used in the expression of the if statement to determine whether the expression can be true. The single equal sign is used t...
28、 contains 0x = 4% 5; / x now contains 4示例代码 /* update one value in an array each time through a loop */int values10;int i = 0;void setup() void loop() valuesi = analogRead(0); i = (i + 1)% 10; / modulo operator rolls over variable 提示:取模运算符不能用于浮点...
EEPtr operator-- (int) { return index--; } int index; //Index of current EEPROM cell. }; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 这里面有一个EERef很重要:EERef里有一个=符号重载:eeprom_write_byte( (uint8_t*) index, in )。
* update one value in an array each time through a loop */ int values[10]; int i = 0; void setup(){} void loop() { values[i] = analogRead(0); i = (i + 1) % 10; // modulo operator rolls over variable }提示:取模运算符不能用于浮点型数. 比较运算符 if(条件) and ==, ...
9.6 &= (compound bitwise and) 9.8 |= (compound bitwise or) 变量部分 十、常量 10.1 HIGH|LOW(引脚电压定义) 10.2 INPUT|OUTPUT(数字引脚(Digital pins)定义) 10.3 true | false(逻辑层定义) 10.4 integer constants(整数常量) 10.5 floating point constants(浮点常量) ...
StringAppendOperator - 用+=运算符和concat()方法来添加东西到字符串里。 StringCaseChanges - 改变字符串的状态。 StringCharacters - 在字符串里获得或设置一个指定的字符的值 StringComparisonOperators - 按字母排列顺序地比较字符串 StringConstructors - 初始化字符串对象 ...
while break continue return goto 1.2Further Syntax ; (semicolon) {} (curly braces) // (single line comment) /* */ (multi-line comment) #define #include 1.3Arithmetic Operators = (assignment operator) + (addition) - (subtraction) * (multiplication) / (division) % (modulo) 1.4Comparison ...
8.1 &(bitwiseand) 8.2 |(bitwiseor) 8.3 ^(bitwisexor) 2.4 switchcase 2.5 while 2.6 do…while 2.7 break 2.8 continue 2.9 return 2.10 goto 九、复合运算符 9.1++(increment) 9.2 – (decrement) 9.3+=(compoundaddition) 9.4 -=(compoundsubtraction) ...