-/*
- * Copyright © 2008 Keith Packard <keithp@keithp.com>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include "ccdbg.h"
-#include "cc-bitbang.h"
-
-/*
- * Manual bit-banging to debug the low level protocol
- */
-
-static void
-get_bit(char *line, int i, char on, uint8_t bit, uint8_t *bits, uint8_t *masks)
-{
- if (line[i] == on) {
- *bits |= bit;
- *masks |= bit;
- return;
- }
- if (line[i] == '.') {
- *masks |= bit;
- return;
- }
- if (line[i] == '-') {
- return;
- }
- fprintf(stderr, "bad line %s\n", line);
- exit (1);
-}
-
-void
-ccdbg_manual(struct ccdbg *dbg, FILE *input)
-{
- char line[80];
- uint8_t set, mask;
-
- if (dbg->bb == NULL) {
- fprintf(stderr, "Must use bitbang API for manual mode\n");
- return;
- }
- while (fgets(line, sizeof line, input)) {
- if (line[0] == '#' || line[0] == '\n') {
- printf ("%s", line);
- continue;
- }
- set = 0;
- mask = 0;
- get_bit(line, 0, 'C', CC_CLOCK, &set, &mask);
- get_bit(line, 2, 'D', CC_DATA, &set, &mask);
- get_bit(line, 4, 'R', CC_RESET_N, &set, &mask);
- if (mask != (CC_CLOCK|CC_DATA|CC_RESET_N)) {
- uint8_t read;
- cc_bitbang_read(dbg->bb, &read);
- cc_bitbang_sync(dbg->bb);
- cc_bitbang_print("\t%c %c %c", CC_CLOCK|CC_DATA|CC_RESET_N, read);
- if ((set & CC_CLOCK) == 0)
- printf ("\t%d", (read&CC_DATA) ? 1 : 0);
- printf ("\n");
- }
- cc_bitbang_send(dbg->bb, mask, set);
- cc_bitbang_sync(dbg->bb);
- }
-}