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tools/antorcha.c: add parameter upload

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This commit is contained in:
Werner Almesberger 2012-06-27 03:28:41 -03:00
parent d651c23a04
commit 3241822a93
1 changed files with 124 additions and 4 deletions
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126
tools/antorcha.c
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@ -278,6 +278,112 @@ static void image(struct atrf_dsc *dsc, const char *name)
}
/* ----- Parameter upload -------------------------------------------------- */
static struct params params = {
.xa_high = XA_HIGH_DEFAULT,
.xa_low = XA_LOW_DEFAULT,
.px_fwd_left = PX_FWD_LEFT_DEFAULT,
.px_fwd_right = PX_FWD_RIGHT_DEFAULT,
.px_bwd_left = PX_BWD_LEFT_DEFAULT,
.px_bwd_right = PX_BWD_RIGHT_DEFAULT,
.tp_fwd_start = TP_FWD_START_DEFAULT,
.tp_bwd_start = TP_BWD_START_DEFAULT,
.tp_fwd_pix = TP_FWD_PIX_DEFAULT,
.tp_bwd_pix = TP_BWD_PIX_DEFAULT,
};
static int have_params = 0;
static void add_param(const char *arg, const char *eq)
{
struct map {
const char *name; /* NULL to mark end */
void *p;
int bytes; /* 1, 2, or 4 */
} map[] = {
{ "xa_high", &params.xa_high, 2 },
{ "xa_low", &params.xa_low, 2 },
{ "px_fwd_left", &params.px_fwd_left, 1 },
{ "px_bwd_left", &params.px_bwd_left, 1 },
{ "px_fwd_right", &params.px_fwd_right, 1 },
{ "px_bwd_right", &params.px_bwd_right, 1 },
{ "tp_fwd_start", &params.tp_fwd_start, 4 },
{ "tp_bwd_start", &params.tp_bwd_start, 4 },
{ "tp_fwd_pix", &params.tp_fwd_pix, 2 },
{ "tp_bwd_pix", &params.tp_bwd_pix, 2 },
{ NULL }
};
const struct map *m;
size_t len;
unsigned long v;
char *end;
uint8_t *p;
int i;
len = eq-arg;
for (m = map; m->name; m++) {
if (strlen(m->name) != len)
continue;
if (!strncmp(arg, m->name, len))
break;
}
if (!m->name) {
fprintf(stderr, "unknown parameter \"%.*s\"\n",
(int) len, arg);
exit(1);
}
v = strtoul(eq+1, &end, 10);
if (*end) {
fprintf(stderr, "invalid value \"%s\"\n", eq+1);
exit(1);
}
p = m->p;
for (i = 0; i != m->bytes; i++) {
*p++ = v;
v >>= 8;
}
if (v) {
fprintf(stderr, "value \"%s\" is too large\n", eq+1);
exit(1);
}
have_params = 1;
}
static void param(struct atrf_dsc *dsc)
{
uint8_t payload[PAYLOAD];
if (!have_params)
return;
hash_init();
hash_merge(image_secret, sizeof(image_secret));
if (verbose)
write(2, "param ", 6);
memset(payload, 0, PAYLOAD);
memcpy(payload, &params, sizeof(params));
packet(dsc, PARAM, 0, 4, payload, PAYLOAD);
hash_merge(payload, PAYLOAD);
/* @@@ salt */
packet(dsc, PARAM, 1, 4, payload, PAYLOAD);
packet(dsc, PARAM, 2, 4, payload, PAYLOAD);
hash_end();
/* hash */
hash_cp(payload, PAYLOAD, 0);
packet(dsc, PARAM, 3, 4, payload, PAYLOAD);
hash_cp(payload, PAYLOAD, PAYLOAD);
packet(dsc, PARAM, 4, 4, payload, PAYLOAD);
if (verbose)
write(2, "\n", 1);
}
/* ----- Samples ----------------------------------------------------------- */
@ -371,7 +477,7 @@ quit:
static void usage(const char *name)
{
fprintf(stderr,
"usage: %s [-d] image_file\n"
"usage: %s [-d] [param=value ...] image_file\n"
"%6s %s [-d] -F firmware_file\n"
"%6s %s [-d] -P\n"
"%6s %s [-d] -S [-S]\n"
@ -411,7 +517,7 @@ int main(int argc, char **argv)
if (argc != optind)
usage(*argv);
} else {
if (argc != optind+1)
if (argc == optind)
usage(*argv);
}
@ -426,8 +532,22 @@ int main(int argc, char **argv)
samples(dsc, do_sample > 1);
else if (fw)
firmware(dsc, fw);
else
else {
const char *eq;
while (optind != argc) {
eq = strchr(argv[optind], '=');
if (!eq)
break;
add_param(argv[optind], eq);
optind++;
}
if (argc > optind+1)
usage(*argv);
if (optind != argc)
image(dsc, argv[optind]);
param(dsc);
}
return 0;
}