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) 十一、数据类型 11.1 void 11.2 boolean(布尔) 11.3 char(有号数据类型) 11.4 unsigned char(无符号数据类型) 11.5 byte(无符号数) 11.6 int(整型) 11.7 unsigned int(无符号整型) 11.8 word 11.9 lon...
10.3 true|false(逻辑层定义) 10.4 integerconstants(整数常量) 10.5 floating point constants(浮点常量) 十一、数据类型 11.1 void 11.2 boolean(布尔) 11.3 char(有号数据类型) 11.4 unsignedchar(无符号数据类型) 11.5 byte(无符号数) 11.6 int(整型)2 11.7 unsignedint(无符号整型) 11.8 word 11.9 long(长...
修改一下几次配置（我的TFT芯片是ST7735所有使用这个）：// Tell the library to use 8 bit parallel mode (otherwise SPI is assumed)//#define TFT_PARALLEL_8_BIT// Display type - only define if RPi display//#define RPI_DISPLAY_TYPE // 20MHz maximum SPI// Only define one driver, the other...
描述:将一个值转换为float型数值。 语法:float(x) 参数:X:任何类型的值 返回:float型数 注释:见float
Add synthetic IntegerDivideByZero exception (#7496) avoid circular #include dependence for PolledTimeout (#7356) base64 class uses String, adding harmless #include (#7517) sys/pgmspace.h: Refactor inline asm (#7510) Add SerialEvent() callback to loop processing (#7505) Remove warnings when ...
10.4 integer constants(整数常量) 10.5 floating point constants(浮点常量) 十一、数据类型 11.1 void 11.2 boolean(布尔) 11.3 char(有号数据类型) 11.4 unsigned char(无符号数据类型) 11.5 byte(无符号数) 11.6 int(整型) 11.7 unsigned int(无符号整型) ...
x: an integer or long (possibly unsigned) x:一个整数或长整数(可以无符号) Returns返回 The original or newly incremented / decremented value of the variable. 返回变量原始值或增加/消耗后的新值。 Examples范例 x = 2; y = ++x; // x now contains 3, y contains 3 // x现在为3,y为3 ...
x: an integer or long (possibly unsigned) x:一个整数或长整数(可以无符号) Returns返回 The original or newly incremented / decremented value of the variable. 返回变量原始值或增加/消耗后的新值。 Examples范例 x = 2; y = ++x; // x now contains 3, y contains 3 // x现在为3,y为3 ...
25、nnels on the Mini and Nano, 16 on the Mega), 10-bit analog to digital converter. This means that it will map input voltages between 0 and 5 volts into integer values between 0 and 1023. This yields a resolution between readings of: 5 volts / 1024 units or, . 0049 volts mV) ...
44、its integer = 32 示例: int a = 5; / binary: 0000000000000101int b = a 3; / binary: 0000000000000101, or back to 5 like we started with当把x左移y位(x y),x中最左边的y位将会丢失。int a = 5; / binary: 0000000000000101int b = a 14; / binary: 0100000000000000 - 101中的第...