1991/1210/pc/devuart.c (diff list | history)

1991/1115/sys/src/9/pc/devuart.c:303,312 – 1991/1210/sys/src/9/pc/devuart.c:303,312 (short | long | prev | next)
1991/0807		* turn on power to the port */
1991/0808		if(up == &uart[Serial]){
1991/0807		if(serial(0) < 0)
1991/1210		if(serial(1) < 0)
1991/0807		print("can't turn on serial port power\n");
1991/1001		} else { if(modem(0) < 0)
1991/1210		if(modem(1) < 0)
1991/1001		print("can't turn on modem speaker\n");
1991/0807		}
1991/0808
1991/1115/sys/src/9/pc/devuart.c:358,365 – 1991/1210/sys/src/9/pc/devuart.c:358,368
1991/0807		* turn off power */
1991/0808		if(up == &uart[Serial]){
1991/0807		if(serial(1) < 0)
1991/1210		if(serial(0) < 0)
1991/0807		print("can't turn off serial power\n");
1991/1210		} else { if(modem(0) < 0) print("can't turn off modem speaker\n");
1991/0806		}
1991/0808		/*
1991/1115/sys/src/9/pc/devuart.c:532,538 – 1991/1210/sys/src/9/pc/devuart.c:535,541
1991/0808		for(;;){
1991/0801		sleep(&cq->r, cangetc, cq);
1991/1113		if((ints++ & 0x1f) == 0) owl(ints>>5);
1991/1210		lights((ints>>5)&1);
1991/0808		qlock(up); if(up->wq == 0){ cq->out = cq->in;