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两侧同时换到之前的修订记录前一修订版后一修订版 | 前一修订版 | ||
zh:reference:language:serial_begin [2015/12/23 15:14] – 弘毅 | reference:language:serial_begin [2023/06/07 04:23] (当前版本) – 外部编辑 127.0.0.1 | ||
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+ | [[reference: | ||
+ | ====== begin() ====== | ||
+ | |||
+ | ===== 说明 ===== | ||
+ | |||
+ | 将串行数据传输速率设置为位/ | ||
+ | ===== 语法 ===== | ||
+ | |||
+ | Serial.begin(speed) | ||
+ | |||
+ | 仅适用于OCrobot Mega2560 : | ||
+ | \\ Serial1.begin(speed) | ||
+ | \\ Serial2.begin(speed) | ||
+ | \\ Serial3.begin(speed) | ||
+ | ===== 参数 ===== | ||
+ | |||
+ | speed: 位/秒 (波特) - long | ||
+ | ===== 返回 ===== | ||
+ | |||
+ | 无 | ||
+ | ===== 例子 ===== | ||
+ | <code cpp> | ||
+ | void setup() { | ||
+ | Serial.begin(9600); | ||
+ | } | ||
+ | |||
+ | void loop() { | ||
+ | </ | ||
+ | OCrobot Mega2560 的例子: | ||
+ | <code cpp> | ||
+ | // OCrobot Mega2560 可以使用四个串口 | ||
+ | // (Serial, Serial1, Serial2, Serial3), | ||
+ | // 从而设置四个不同的波特率: | ||
+ | |||
+ | void setup(){ | ||
+ | Serial.begin(9600); | ||
+ | Serial1.begin(38400); | ||
+ | Serial2.begin(19200); | ||
+ | Serial3.begin(4800); | ||
+ | |||
+ | Serial.println(" | ||
+ | Serial1.println(" | ||
+ | Serial2.println(" | ||
+ | Serial3.println(" | ||
+ | } | ||
+ | |||
+ | void loop() {} | ||
+ | </ | ||