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    gpio_direction_output()循环;波形

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      The_Qiang LV 4 last edited by

      驱动里的 引脚 PC1(nezha_tina_linux)

      for (i= 0; i < 100000; i++) {
      		gpio_direction_output(DHT11_1_PIN, x);
      		x = ~x;
      	}
      

      QQ图片20220813223006.png
      Vmax约为1.63v,百元示波器极限10us了,
      问:如何计算GPIO稳定需要的时间以及gpio_direction_output(单条命令耗时);

      有设备的大佬,如果可以的话,帮忙测一下来张图呗,提前跪谢~

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