2.5 Time Functions
- brief: delay several milliseconds.
- param:
- ms: milliseconds to delay.
- return: void.
- brief: delay several microseconds.
- param:
- us: microseconds to delay.
- return: void.
- brief: return the time length in milliseconds since the most recent rebooting. Clearly, the longest time that can be recorded is 2^32-1 milliseconds. After that, the time length will starts from 0 again.
- param:
- void
- return: unsigned long.
- brief: return the time length in microseconds since the most recent rebooting. Clearly, the longest time that can be recorded is 2^32-1 microseconds. After that, the time length will starts from 0 again.
- param:
- void
- return: unsigned long.
Last modified 5yr ago