ben-blinkenlights/ubbctl/ubbctl.c

#include <stddef.h>
#include <stdint.h>
#include <stdio.h>

#include <ubb/ubb.h>


static struct pin {
	const char *name;
	uint32_t mask;
} pins[] = {
	{ "nPWR",	UBB_nPWR },
	{ "DAT2",	UBB_DAT2 },
	{ "DAT3",	UBB_DAT3 },
	{ "CMD",	UBB_CMD },
	{ "CLK",	UBB_CLK },
	{ "DAT0",	UBB_DAT0 },
	{ "DAT1",	UBB_DAT1 },
	{ NULL }
};


int main(int argc, char **argv)
{
	const struct pin *p;

	ubb_open(UBB_ALL);
	for (p = pins; p->name; p++) {
		printf("%s%s=", p == pins ? "" : " ", p->name);
		if (PDFUN & p->mask)
			printf("FN");
		else if (PDDIR & p->mask)
			printf("%d", !!(PDDAT & p->mask));
		else
			putchar(PDPULL & p->mask ? 'Z' : 'R');

	}
	printf("\n");
	return 0;
}