传回值为一个小于或等于其数字引数的最大整数值。
The return value is an integer value equal to the greatest integer less than or equal to its numeric argument.
将其数值按二进制数在P 1口驱动LED灯上显示出来。2、外部事件计数脉冲由P 3.4引入定时器t0。
Its value according to the binary number displayed on the P1 mouth drive leds. 2, external event count pulse introduced by P3.4 T0 timer.
将其数值按二进制数在P 1口驱动LED灯上显示出来。2、外部事件计数脉冲由P 3.4引入定时器t0。
Its value according to the binary number displayed on the P1 mouth drive leds. 2, external event count pulse introduced by P3.4 T0 timer.
应用推荐