#include <u.h>
#include <libc.h>

void
main(int argc, char *argv[])
{
	int fd, i, pin;
	char buf[16];
	uvlong gvals;

	ARGBEGIN {
	} ARGEND

	fd = open("#G/gpio", ORDWR);
	if (fd < 1)
		sysfatal("can't open: %r");
	read(fd, buf, 16);
	buf[16] = 0;
	gvals = strtoull(buf, nil, 16);
	for(i=0; i<64; i++) {
		pin = gvals & (1 << i);
		print("%d:	%d\n", i, pin);
	}
}