/* * ubbctl.c - Set and query UBB signals * * Written 2013 by Werner Almesberger * Copyright 2013 Werner Almesberger * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #include #include #include #include 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 } }; static void show_pins(void) { const struct pin *p; 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"); } int main(int argc, char **argv) { ubb_open(UBB_ALL); show_pins(); return 0; }