{
GSList *l;
struct srd_decoder *dec;
- char **pdtokens, **pdtok, **ann, *doc;
+ struct srd_decoder_option *o;
+ char **pdtokens, **pdtok, *optsep, **ann, *val, *doc;
struct srd_probe *p;
pdtokens = g_strsplit(opt_pds, ",", -1);
for (pdtok = pdtokens; *pdtok; pdtok++) {
+ /* Strip options. */
+ if ((optsep = strchr(*pdtok, ':')))
+ *optsep = '\0';
if (!(dec = srd_decoder_get_by_id(*pdtok))) {
g_critical("Protocol decoder %s not found.", *pdtok);
return;
} else {
printf("None.\n");
}
- /* TODO: Print supported decoder options. */
printf("Required probes:\n");
if (dec->probes) {
for (l = dec->probes; l; l = l->next) {
} else {
printf("None.\n");
}
+ if (dec->options) {
+ printf("Options:\n");
+ for (l = dec->options; l; l = l->next) {
+ o = l->data;
+ val = g_variant_print(o->def, FALSE);
+ printf("- %s: %s (default %s)\n", o->id, o->desc, val);
+ g_free(val);
+ }
+ }
if ((doc = srd_decoder_doc_get(dec))) {
printf("Documentation:\n%s\n",
doc[0] == '\n' ? doc + 1 : doc);
}
#ifdef HAVE_SRD
+static int opts_to_gvar(struct srd_decoder *dec, GHashTable *hash,
+ GHashTable **options)
+{
+ struct srd_decoder_option *o;
+ GSList *optl;
+ GVariant *gvar;
+ gint64 val_int;
+ int ret;
+ char *val_str, *conv;
+
+ ret = TRUE;
+ *options = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
+ (GDestroyNotify)g_variant_unref);
+
+ for (optl = dec->options; optl; optl = optl->next) {
+ o = optl->data;
+ if (!(val_str = g_hash_table_lookup(hash, o->id)))
+ /* Not specified. */
+ continue;
+ if (g_variant_is_of_type(o->def, G_VARIANT_TYPE_STRING)) {
+ gvar = g_variant_new_string(val_str);
+ } else if (g_variant_is_of_type(o->def, G_VARIANT_TYPE_INT64)) {
+ val_int = strtoll(val_str, &conv, 10);
+ if (!conv || conv == val_str) {
+ g_critical("Protocol decoder '%s' option '%s' "
+ "requires a number.", dec->name, o->id);
+ ret = FALSE;
+ break;
+ }
+ gvar = g_variant_new_int64(val_int);
+ } else {
+ g_critical("Unsupported type for option '%s' (%s)",
+ o->id, g_variant_get_type_string(o->def));
+ ret = FALSE;
+ break;
+ }
+ g_variant_ref_sink(gvar);
+ g_hash_table_insert(*options, g_strdup(o->id), gvar);
+ g_hash_table_remove(hash, o->id);
+ }
+
+ return ret;
+}
+
+static int probes_to_gvar(struct srd_decoder *dec, GHashTable *hash,
+ GHashTable **probes)
+{
+ struct srd_probe *p;
+ GSList *all_probes, *l;
+ GVariant *gvar;
+ gint32 val_int;
+ int ret;
+ char *val_str, *conv;
+
+ ret = TRUE;
+ *probes = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
+ (GDestroyNotify)g_variant_unref);
+
+ all_probes = g_slist_copy(dec->probes);
+ all_probes = g_slist_concat(all_probes, dec->opt_probes);
+ for (l = all_probes; l; l = l->next) {
+ p = l->data;
+ if (!(val_str = g_hash_table_lookup(hash, p->id)))
+ /* Not specified. */
+ continue;
+ val_int = strtoll(val_str, &conv, 10);
+ if (!conv || conv == val_str) {
+ g_critical("Protocol decoder '%s' probes '%s' "
+ "is not a number.", dec->name, p->id);
+ ret = FALSE;
+ break;
+ }
+ gvar = g_variant_new_int32(val_int);
+ g_variant_ref_sink(gvar);
+ g_hash_table_insert(*probes, g_strdup(p->id), gvar);
+ g_hash_table_remove(hash, p->id);
+ }
+ g_slist_free(all_probes);
+
+ return ret;
+}
+
/* Register the given PDs for this session.
* Accepts a string of the form: "spi:sck=3:sdata=4,spi:sck=3:sdata=5"
* That will instantiate two SPI decoders on the clock but different data
*/
static int register_pds(struct sr_dev *dev, const char *pdstring)
{
- GHashTable *pd_opthash;
+ struct srd_decoder *dec;
+ GHashTable *pd_opthash, *options, *probes;
+ GList *leftover, *l;
struct srd_decoder_inst *di;
int ret;
char **pdtokens, **pdtok, *pd_name;
pd_ann_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
g_free, NULL);
pd_name = NULL;
- pd_opthash = NULL;
+ pd_opthash = options = probes = NULL;
pdtokens = g_strsplit(pdstring, ",", 0);
for (pdtok = pdtokens; *pdtok; pdtok++) {
if (!(pd_opthash = parse_generic_arg(*pdtok, TRUE))) {
g_critical("Invalid protocol decoder option '%s'.", *pdtok);
- goto err_out;
+ break;
}
pd_name = g_strdup(g_hash_table_lookup(pd_opthash, "sigrok_key"));
if (srd_decoder_load(pd_name) != SRD_OK) {
g_critical("Failed to load protocol decoder %s.", pd_name);
ret = 1;
- goto err_out;
+ break;
+ }
+ dec = srd_decoder_get_by_id(pd_name);
+
+ /* Convert decoder option and probe values to GVariant. */
+ if (!opts_to_gvar(dec, pd_opthash, &options)) {
+ ret = 1;
+ break;
+ }
+ if (!probes_to_gvar(dec, pd_opthash, &probes)) {
+ ret = 1;
+ break;
}
- if (!(di = srd_inst_new(pd_name, pd_opthash))) {
+ if (g_hash_table_size(pd_opthash) > 0) {
+ leftover = g_hash_table_get_keys(pd_opthash);
+ for (l = leftover; l; l = l->next)
+ g_critical("Unknown option or probe '%s'", (char *)l->data);
+ g_list_free(leftover);
+ break;
+ }
+
+ if (!(di = srd_inst_new(pd_name, options))) {
g_critical("Failed to instantiate protocol decoder %s.", pd_name);
ret = 1;
- goto err_out;
+ break;
}
/* If no annotation list was specified, add them all in now.
g_hash_table_insert(pd_ann_visible,
g_strdup(di->inst_id), NULL);
- /* Any keys left in the options hash are probes, where the key
- * is the probe name as specified in the decoder class, and the
- * value is the probe number i.e. the order in which the PD's
- * incoming samples are arranged. */
- if (srd_inst_probe_set_all(di, pd_opthash) != SRD_OK) {
+ /* Remap the probes if needed. */
+ if (srd_inst_probe_set_all(di, probes) != SRD_OK) {
ret = 1;
- goto err_out;
+ break;
}
- g_hash_table_destroy(pd_opthash);
- pd_opthash = NULL;
}
-err_out:
g_strfreev(pdtokens);
if (pd_opthash)
g_hash_table_destroy(pd_opthash);
+ if (options)
+ g_hash_table_destroy(options);
+ if (probes)
+ g_hash_table_destroy(probes);
if (pd_name)
g_free(pd_name);