reference:language:fastiowrite
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| reference:language:fastiowrite [2018/03/14 14:05] – 创建 弘毅 | reference:language:fastiowrite [2025/10/11 02:55] (当前版本) – 外部编辑 127.0.0.1 | ||
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| + | ====== fastioWrite() ====== | ||
| + | |||
| + | ===== 描述 ===== | ||
| + | |||
| + | 给一个数字引脚写入HIGH或者LOW。 | ||
| + | |||
| + | 如果一个引脚已经使用fastioMode()配置为OUTPUT模式,其电压将被设置为相应的值,HIGH为5V(3.3V控制板上为3.3V),LOW为0V。 | ||
| + | |||
| + | ===== 语法 ===== | ||
| + | |||
| + | fastioWrite(pin, | ||
| + | ===== 参数 ===== | ||
| + | |||
| + | pin: 引脚编号(如1, | ||
| + | \\ value: HIGH or LOW | ||
| + | ===== 返回 ===== | ||
| + | |||
| + | 无 | ||
| + | ===== 例子 ===== | ||
| + | <code cpp> | ||
| + | void setup() { | ||
| + | //set D10 to output | ||
| + | fastioMode(D10, | ||
| + | |||
| + | // driver D10 to low level | ||
| + | fastioWrite(D10, | ||
| + | } | ||
| + | |||
| + | void loop() { | ||
| + | // toggle D10 | ||
| + | fastioToggle(D10); | ||
| + | } | ||
| + | </ | ||
| + | |||
| + | ===== 注释 ===== | ||
| + | |||
| + | 模拟引脚也可以当做数字引脚使用,使用方法是输入端口A0,A1,A2等。 | ||
