From: Keith Packard Date: Sat, 6 Jun 2015 05:17:02 +0000 (-0700) Subject: ao-tools: Create ao-cal-freq X-Git-Tag: 1.6.0.3~41^2~7 X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=b9797aa9b6ca38db79c22e4dcefc6efc8a148599 ao-tools: Create ao-cal-freq Create C-based frequency calibration program to replace shell script which isn't reliable. Signed-off-by: Keith Packard --- diff --git a/ao-tools/Makefile.am b/ao-tools/Makefile.am index 6a170cbd..66d2560e 100644 --- a/ao-tools/Makefile.am +++ b/ao-tools/Makefile.am @@ -2,7 +2,8 @@ SUBDIRS=lib ao-rawload ao-dbg ao-bitbang ao-eeprom ao-list \ ao-load ao-telem ao-send-telem ao-sky-flash \ ao-dumpflash ao-edit-telem ao-dump-up ao-elftohex \ ao-flash ao-usbload ao-test-igniter ao-test-baro \ - ao-test-flash ao-cal-accel ao-test-gps ao-usbtrng + ao-test-flash ao-cal-accel ao-test-gps ao-usbtrng \ + ao-cal-freq if LIBSTLINK SUBDIRS += ao-stmload endif diff --git a/ao-tools/ao-cal-freq/.gitignore b/ao-tools/ao-cal-freq/.gitignore new file mode 100644 index 00000000..4fe14865 --- /dev/null +++ b/ao-tools/ao-cal-freq/.gitignore @@ -0,0 +1 @@ +ao-cal-freq diff --git a/ao-tools/ao-cal-freq/Makefile.am b/ao-tools/ao-cal-freq/Makefile.am new file mode 100644 index 00000000..e11c2b0a --- /dev/null +++ b/ao-tools/ao-cal-freq/Makefile.am @@ -0,0 +1,11 @@ +bin_PROGRAMS=ao-cal-freq + +AM_CFLAGS=-I$(top_srcdir)/ao-tools/lib $(LIBUSB_CFLAGS) + +ao_cal_freq_DEPENDENCIES = $(top_builddir)/ao-tools/lib/libao-tools.a + +ao_cal_freq_LDADD=$(top_builddir)/ao-tools/lib/libao-tools.a $(LIBUSB_LIBS) -lm + +ao_cal_freq_SOURCES=ao-cal-freq.c + +man_MANS = ao-cal-freq.1 diff --git a/ao-tools/ao-cal-freq/ao-cal-freq.c b/ao-tools/ao-cal-freq/ao-cal-freq.c new file mode 100644 index 00000000..464faf0f --- /dev/null +++ b/ao-tools/ao-cal-freq/ao-cal-freq.c @@ -0,0 +1,280 @@ +/* + * Copyright © 2014 Keith Packard + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#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=] [--device=] [-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 line[1024]; + double measured_freq; + char **cur_freq_words; + char **cur_cal_words; + char *line_end; + int cur_freq; + int cur_cal; + int new_cal; + + cc_usb_printf(usb, "E 0\n"); + + for(;;) { + cc_usb_printf(usb, "C 1\n"); + cc_usb_sync(usb); + + printf("Generating RF carrier. Please enter measured frequency [enter for done]: "); + fflush(stdout); + fgets(line, sizeof (line) - 1, stdin); + cc_usb_printf(usb, "C 0\n"); + cc_usb_sync(usb); + + measured_freq = strtod(line, &line_end); + if (line_end == line) + break; + + b = flash(usb); + + cur_cal_words = find_flash(b, "Radio cal:"); + cur_freq_words = find_flash(b, "Frequency:"); + + if (!cur_cal_words || !cur_freq_words) { + printf("no response\n"); + return 0; + } + + cur_cal = atoi(cur_cal_words[2]); + cur_freq = atoi(cur_freq_words[1]); + + printf ("Current radio calibration %d\n", cur_cal); + printf ("Current radio frequency: %d\n", cur_freq); + + + new_cal = floor ((((double) cur_freq / 1000.0) / measured_freq) * cur_cal + 0.5); + + printf ("Programming flash with cal value %d\n", new_cal); + + cc_usb_printf (usb, "c f %d\nc w\n", new_cal); + cc_usb_sync(usb); + } + return 1; +} + +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); +} diff --git a/configure.ac b/configure.ac index d7a14aa8..e0d5f422 100644 --- a/configure.ac +++ b/configure.ac @@ -551,6 +551,7 @@ ao-tools/ao-test-igniter/Makefile ao-tools/ao-test-baro/Makefile ao-tools/ao-test-flash/Makefile ao-tools/ao-cal-accel/Makefile +ao-tools/ao-cal-freq/Makefile ao-tools/ao-test-gps/Makefile ao-tools/ao-usbtrng/Makefile ao-utils/Makefile