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-rw-r--r--ao-tools/ao-load/ao-load.c46
-rw-r--r--src/ao_config.c10
2 files changed, 43 insertions, 13 deletions
diff --git a/ao-tools/ao-load/ao-load.c b/ao-tools/ao-load/ao-load.c
index f5466612..4aa91b29 100644
--- a/ao-tools/ao-load/ao-load.c
+++ b/ao-tools/ao-load/ao-load.c
@@ -29,14 +29,17 @@
struct sym {
unsigned addr;
char *name;
-} serial_symbols[] = {
+} ao_symbols[] = {
{ 0, "_ao_serial_number" },
-#define AO_SERIAL_NUMBER (serial_symbols[0].addr)
+#define AO_SERIAL_NUMBER (ao_symbols[0].addr)
{ 0, "_ao_usb_descriptors" },
-#define AO_USB_DESCRIPTORS (serial_symbols[1].addr)
+#define AO_USB_DESCRIPTORS (ao_symbols[1].addr)
+ { 0, "_ao_radio_cal" },
+#define AO_RADIO_CAL (ao_symbols[2].addr)
};
-#define NUM_SERIAL_SYMBOLS (sizeof(serial_symbols)/sizeof(serial_symbols[0]))
+#define NUM_SERIAL_SYMBOLS 2
+#define NUM_SYMBOLS 3
static int
find_symbols(FILE *map)
@@ -64,14 +67,14 @@ find_symbols(FILE *map)
a = strtoul(colon+1, &addr_end, 16);
if (a == ULONG_MAX || addr_end == addr)
continue;
- for (s = 0; s < NUM_SERIAL_SYMBOLS; s++)
- if (!strcmp(serial_symbols[s].name, name)) {
- serial_symbols[s].addr = (unsigned) a;
+ for (s = 0; s < NUM_SYMBOLS; s++)
+ if (!strcmp(ao_symbols[s].name, name)) {
+ ao_symbols[s].addr = (unsigned) a;
++found;
break;
}
}
- return found == NUM_SERIAL_SYMBOLS;
+ return found >= NUM_SERIAL_SYMBOLS;
}
static int
@@ -93,12 +96,13 @@ rewrite(struct hex_image *image, unsigned addr, char *data, int len)
static const struct option options[] = {
{ .name = "tty", .has_arg = 1, .val = 'T' },
{ .name = "device", .has_arg = 1, .val = 'D' },
+ { .name = "cal", .has_arg = 1, .val = 'c' },
{ 0, 0, 0, 0},
};
static void usage(char *program)
{
- fprintf(stderr, "usage: %s [--tty <tty-name>] [--device <device-name>] file.ihx serial-number\n", program);
+ fprintf(stderr, "usage: %s [--tty <tty-name>] [--device <device-name>] [--cal <radio-cal>] file.ihx serial-number\n", program);
exit(1);
}
@@ -125,9 +129,12 @@ main (int argc, char **argv)
int string_num;
char *tty = NULL;
char *device = NULL;
+ uint32_t cal = 0;
+ char cal_int[4];
+ char *cal_end;
int c;
- while ((c = getopt_long(argc, argv, "T:D:", options, NULL)) != -1) {
+ while ((c = getopt_long(argc, argv, "T:D:c:", options, NULL)) != -1) {
switch (c) {
case 'T':
tty = optarg;
@@ -135,6 +142,11 @@ main (int argc, char **argv)
case 'D':
device = optarg;
break;
+ case 'c':
+ cal = strtoul(optarg, &cal_end, 10);
+ if (cal_end == optarg || *cal_end != '\0')
+ usage(argv[0]);
+ break;
default:
usage(argv[0]);
break;
@@ -225,6 +237,20 @@ main (int argc, char **argv)
if (!rewrite(image, usb_descriptors + 2 + image->address, serial_ucs2, serial_ucs2_len))
usage(argv[0]);
+ if (cal) {
+ cal_int[0] = cal & 0xff;
+ cal_int[1] = (cal >> 8) & 0xff;
+ cal_int[2] = (cal >> 16) & 0xff;
+ cal_int[3] = (cal >> 24) & 0xff;
+ if (!AO_RADIO_CAL) {
+ fprintf(stderr, "Cannot find radio calibration location in image\n");
+ exit(1);
+ }
+ if (!rewrite(image, AO_RADIO_CAL, cal_int, sizeof (cal_int))) {
+ fprintf(stderr, "Cannot rewrite radio calibration at %04x\n", AO_RADIO_CAL);
+ exit(1);
+ }
+ }
if (!tty)
tty = cc_usbdevs_find_by_arg(device, "TIDongle");
dbg = ccdbg_open(tty);
diff --git a/src/ao_config.c b/src/ao_config.c
index 3609ec06..4349bca8 100644
--- a/src/ao_config.c
+++ b/src/ao_config.c
@@ -31,8 +31,12 @@ __xdata uint8_t ao_config_mutex;
* For 434.550MHz, the frequency value is:
*
* 434.550e6 / (24e6 / 2**16) = 1186611.2
+ *
+ * This value is stored in a const variable so that
+ * ao-load can change it during programming for
+ * devices that have no eeprom for config data.
*/
-#define AO_CONFIG_DEFAULT_RADIO_CAL 1186611
+const uint32_t ao_radio_cal = 1186611;
static void
_ao_config_put(void)
@@ -57,7 +61,7 @@ _ao_config_get(void)
memcpy(&ao_config.callsign, AO_CONFIG_DEFAULT_CALLSIGN,
sizeof(AO_CONFIG_DEFAULT_CALLSIGN) - 1);
ao_config.apogee_delay = AO_CONFIG_DEFAULT_APOGEE_DELAY;
- ao_config.radio_cal = AO_CONFIG_DEFAULT_RADIO_CAL;
+ ao_config.radio_cal = ao_radio_cal;
ao_config_dirty = 1;
}
if (ao_config.minor < AO_CONFIG_MINOR) {
@@ -71,7 +75,7 @@ _ao_config_get(void)
}
/* Fixups for minor version 3 */
if (ao_config.minor < 3)
- ao_config.radio_cal = AO_CONFIG_DEFAULT_RADIO_CAL;
+ ao_config.radio_cal = ao_radio_cal;
ao_config.minor = AO_CONFIG_MINOR;
ao_config_dirty = 1;
}