Wire.read()
- 描述
这个函数在调用requestFrom()之后读取从外围设备传输到控制器设备的字节，或者从控制器设备传输到外围设备的字节。read()继承自Stream实用程序类。
- 语法
Wire.read()
- 参数
None.
- Returns
收到的下一个字节
- Example
#include <Wire.h>void setup() {Wire.begin(); // Join I2C bus (address is optional for controller device)Serial.begin(9600); // Start serial for output
}void loop() {Wire.requestFrom(2, 6); // Request 6 bytes from slave device number two// Slave may send less than requestedwhile(Wire.available()) {char c = Wire.read(); // Receive a byte as characterSerial.print(c); // Print the character}delay(500);
}