portENTER_CRITICAL等未为ESP8266定义EN刚才在乐鑫官网看到了配置AP的例程，于是做了第一次代码修改尝试。
I am trying to create a timer to get value in nano seconds. For this, I am using the "timer_group" example where I set the "TIMER_DIVIDER" to 1 in order to get 12.5 ns per tick. However, I get the following error: Code:Select all ...