ao-tools: new ao-test-pressure utility for bench testing EasyMotor

[fw/altos] / ao-tools / ao-test-pressure / ao-test-pressure.c

diff --git a/ao-tools/ao-test-pressure/ao-test-pressure.c b/ao-tools/ao-test-pressure/ao-test-pressure.c
new file mode 100644 (file)
index 0000000..c83ce0e
--- /dev/null
+++ b/ao-tools/ao-test-pressure/ao-test-pressure.c
@@ -0,0 +1,194 @@
+/*
+ * Copyright © 2022 Bdale Garbee <bdale@gag.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 <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 "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>] main|drogue\n", program);
+       exit(1);
+}
+
+static void
+done(struct cc_usb *cc, int code)
+{
+/*     cc_usb_printf(cc, "a\n"); */
+       cc_usb_close(cc);
+       exit (code);
+}
+
+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 pressure {
+       struct pressure *next;
+       char            **strs;
+};
+
+static struct pressure *
+pressure(struct cc_usb *usb)
+{
+       struct pressure *head = NULL, **tail = &head;
+       cc_usb_printf(usb, "a\n");
+       for (;;) {
+               char    line[512];
+               struct pressure *b;
+
+               cc_usb_getline(usb, line, sizeof (line));
+               b = malloc (sizeof (struct pressure));
+               b->strs = tok(line);
+               b->next = NULL;
+               *tail = b;
+               tail = &b->next;
+               if (strstr(line, "tick:"))
+                       break;
+       }
+       return head;
+}
+
+static void
+free_pressure(struct pressure *b) {
+       struct pressure *n;
+
+       while (b) {
+               n = b->next;
+               free_strs(b->strs);
+               free(b);
+               b = n;
+       }
+}
+
+static int
+do_pressure(struct cc_usb *usb) {
+       struct pressure *b = pressure(usb);
+       char **alt = b->strs;
+
+       if (!alt) {
+               printf("no response\n");
+               free_pressure(b);
+               return 0;
+       }
+
+       double pressure = strtod(alt[5], NULL);
+
+       if (pressure < 15000 || pressure > 16000) {
+               printf ("weird pressure %f\n", pressure);
+               free_pressure(b);
+               return 0;
+       }
+
+       printf ("pressure %f\n", pressure);
+
+       return 1;
+}
+
+int
+main (int argc, char **argv)
+{
+       char                    *device = NULL;
+       int                     c;
+       struct cc_usb           *cc = NULL;
+       char                    *tty = NULL;
+       int                     verbose = 0;
+       int                     ret = 0;
+
+       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, "EasyMotor");
+       if (!tty)
+               tty = getenv("ALTOS_TTY");
+       if (!tty)
+               tty="/dev/ttyACM0";
+
+       cc = cc_usb_open(tty);
+
+       if (!cc)
+               exit(1);
+
+       if (!do_pressure(cc))
+               ret = 1;
+       done(cc, ret);
+}