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en:arduino:libraries:liquidcrystalprint [2016/12/25 22:15] |
en:arduino:libraries:liquidcrystalprint [2016/12/25 22:15] (当前版本) |
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+ | [[en:arduino:libraries:liquidcrystal|LiquidCrystal]] | ||
+ | ====== print() ====== | ||
+ | |||
+ | ===== Description ===== | ||
+ | |||
+ | Prints text to the LCD. | ||
+ | ===== Syntax ===== | ||
+ | |||
+ | lcd.print(data) | ||
+ | \\ lcd.print(data, BASE) | ||
+ | ===== Parameters ===== | ||
+ | |||
+ | lcd: a variable of type LiquidCrystal | ||
+ | |||
+ | data: the data to print (char, byte, int, long, or string) | ||
+ | |||
+ | BASE (optional): the base in which to print numbers: BIN for binary (base 2), DEC for decimal (base 10), OCT for octal (base 8), HEX for hexadecimal (base 16). | ||
+ | ===== Returns ===== | ||
+ | |||
+ | byte | ||
+ | |||
+ | print() will return the number of bytes written, though reading that number is optional | ||
+ | ===== Example ===== | ||
+ | <code cpp> | ||
+ | #include <LiquidCrystal.h> | ||
+ | |||
+ | LiquidCrystal lcd(12, 11, 10, 5, 4, 3, 2); | ||
+ | |||
+ | void setup() | ||
+ | { | ||
+ | lcd.print("hello, world!"); | ||
+ | } | ||
+ | |||
+ | void loop() {} | ||
+ | </code> | ||
+ | |||
+ | |||
+ | [[en:arduino:libraries|Reference Home]] |