+/*
+ * Copyright © 2014 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; version 2 of the License.
+ *
+ * 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 <err.h>
+#include <fcntl.h>
+#include <gelf.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <sysexits.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <string.h>
+#include <stdbool.h>
+#include <termios.h>
+#include "ao-elf.h"
+#include "ccdbg.h"
+#include "cc-usb.h"
+#include "cc.h"
+#include "ao-verbose.h"
+
+static const struct option options[] = {
+ { .name = "tty", .has_arg = 1, .val = 'T' },
+ { .name = "device", .has_arg = 1, .val = 'D' },
+ { .name = "raw", .has_arg = 0, .val = 'r' },
+ { .name = "verbose", .has_arg = 1, .val = 'v' },
+ { 0, 0, 0, 0},
+};
+
+static void usage(char *program)
+{
+ fprintf(stderr, "usage: %s [--verbose=<verbose>] [--device=<device>] [-tty=<tty>]\n", program);
+ exit(1);
+}
+
+void
+done(struct cc_usb *cc, int code)
+{
+ cc_usb_close(cc);
+ exit (code);
+}
+
+static int
+ends_with(char *whole, char *suffix)
+{
+ int whole_len = strlen(whole);
+ int suffix_len = strlen(suffix);
+
+ if (suffix_len > whole_len)
+ return 0;
+ return strcmp(whole + whole_len - suffix_len, suffix) == 0;
+}
+
+static int
+starts_with(char *whole, char *prefix)
+{
+ int whole_len = strlen(whole);
+ int prefix_len = strlen(prefix);
+
+ if (prefix_len > whole_len)
+ return 0;
+ return strncmp(whole, prefix, prefix_len) == 0;
+}
+
+static char **
+tok(char *line) {
+ char **strs = malloc (sizeof (char *)), *str;
+ int n = 0;
+
+ while ((str = strtok(line, " \t"))) {
+ line = NULL;
+ strs = realloc(strs, (n + 2) * sizeof (char *));
+ strs[n] = strdup(str);
+ n++;
+ }
+ strs[n] = '\0';
+ return strs;
+}
+
+static void
+free_strs(char **strs) {
+ char *str;
+ int i;
+
+ for (i = 0; (str = strs[i]) != NULL; i++)
+ free(str);
+ free(strs);
+}
+
+struct flash {
+ struct flash *next;
+ char line[512];
+ char **strs;
+};
+
+static struct flash *
+flash(struct cc_usb *usb)
+{
+ struct flash *head = NULL, **tail = &head;
+ cc_usb_printf(usb, "c s\nv\n");
+ for (;;) {
+ char line[512];
+ struct flash *b;
+
+ cc_usb_getline(usb, line, sizeof (line));
+ b = malloc (sizeof (struct flash));
+ strcpy(b->line, line);
+ b->strs = tok(line);
+ b->next = NULL;
+ *tail = b;
+ tail = &b->next;
+ if (strstr(line, "software-version"))
+ break;
+ }
+ return head;
+}
+
+static void
+free_flash(struct flash *b) {
+ struct flash *n;
+
+ while (b) {
+ n = b->next;
+ free_strs(b->strs);
+ free(b);
+ b = n;
+ }
+}
+
+char **
+find_flash(struct flash *b, char *word0) {
+ int i;
+ for (;b; b = b->next) {
+ if (strstr(b->line, word0))
+ return b->strs;
+ }
+ return NULL;
+}
+
+void
+await_key(void)
+{
+ struct termios termios, termios_save;
+ char buf[512];
+
+ tcgetattr(0, &termios);
+ termios_save = termios;
+ cfmakeraw(&termios);
+ tcsetattr(0, TCSAFLUSH, &termios);
+ read(0, buf, sizeof (buf));
+ tcsetattr(0, TCSAFLUSH, &termios_save);
+}
+
+int
+do_cal(struct cc_usb *usb) {
+ struct flash *b;
+ char **accel;
+ char line[1024];
+ int l;
+ int running = 0;
+ int worked = 1;
+
+ cc_usb_printf(usb, "E 1\nc a 0\n");
+
+ for (;;) {
+ int c = cc_usb_getchar_timeout(usb, 20*1000);
+
+ if (c == '\n')
+ l = 0;
+ else if (l < sizeof (line) - 1)
+ line[l++] = c;
+ line[l] = '\0';
+ putchar(c); fflush(stdout);
+ if (strstr(line, "press a key...")) {
+ await_key();
+ cc_usb_printf(usb, " ");
+ l = 0;
+ running = 1;
+ }
+ else if (strstr(line, "Invalid"))
+ worked = 0;
+ if (running && strstr(line, ">")) {
+ printf("\n");
+ break;
+ }
+ }
+ cc_usb_printf(usb, "E 0\n");
+
+ if (!worked) {
+ printf("Calibration failed\n");
+ return 0;
+ }
+
+ b = flash(usb);
+
+ accel = find_flash(b, "Accel cal");
+ if (!accel) {
+ printf("no response\n");
+ return 0;
+ }
+
+ printf ("Accel cal +1g: %s -1g: %s\n",
+ accel[3], accel[5]);
+
+ printf ("Saving..."); fflush(stdout);
+ cc_usb_printf (usb, "c w\n");
+ cc_usb_sync(usb);
+ b = flash(usb);
+ printf ("done\n");
+
+ return worked;
+}
+
+int
+main (int argc, char **argv)
+{
+ char *device = NULL;
+ char *filename;
+ Elf *e;
+ unsigned int s;
+ int i;
+ int c;
+ int tries;
+ struct cc_usb *cc = NULL;
+ char *tty = NULL;
+ int success;
+ int verbose = 0;
+ int ret = 0;
+ int expected_size;
+
+ while ((c = getopt_long(argc, argv, "rT:D:c:s:v:", options, NULL)) != -1) {
+ switch (c) {
+ case 'T':
+ tty = optarg;
+ break;
+ case 'D':
+ device = optarg;
+ break;
+ case 'v':
+ verbose++;
+ break;
+ default:
+ usage(argv[0]);
+ break;
+ }
+ }
+
+ ao_verbose = verbose;
+
+ if (verbose > 1)
+ ccdbg_add_debug(CC_DEBUG_BITBANG);
+
+ if (!tty)
+ tty = cc_usbdevs_find_by_arg(device, "AltosFlash");
+ if (!tty)
+ tty = cc_usbdevs_find_by_arg(device, "TeleMega");
+ if (!tty)
+ tty = getenv("ALTOS_TTY");
+ if (!tty)
+ tty="/dev/ttyACM0";
+
+ cc = cc_usb_open(tty);
+
+ if (!cc)
+ exit(1);
+
+ if (!do_cal(cc))
+ ret = 1;
+ done(cc, ret);
+}
projects / fw / altos / commitdiff