IO程序 - 交通灯演示程序,采用中断驱动模式。① 南北路口的绿灯，东西路口的红灯同时亮30秒。 ② 南北路口的黄灯闪烁3次，同时东西路口红灯继续亮。 ③ 南北路口的红灯，东西路口的绿灯同时亮30秒。 ④ 南北路口的红灯继续亮。同时东西路口的黄灯闪烁3次。 ⑤ 转 ① 重复注：黄灯的每次闪烁亮0.5秒，熄0.5秒。- The IO procedure- traffic light demonstration program, uses
the severance actuation pattern. (1) North and south street
intersection green light, at the same time thing street intersection
red candle bright 30 seconds. (2) north and south street intersection
yellow light glitters 3 times, simultaneously the thing street
intersection red candle continues brightly. (3) north and south street
intersection red candle, at the same time thing street intersection
green light bright 30 seconds. (4) north and south street intersection
red candle continues brightly. Simultaneously the thing street
intersection yellow light glitters 3 time. (5) revolution of (1)
redundant note: The yellow light each time glitters the bright 0.5
second, extinguishes for 0.5 second.