* Then, it searches for sigrok protocol decoder files (*.py) in the
* "decoders" subdirectory of the the sigrok installation directory.
* All decoders that are found are loaded into memory and added to an
- * internal list of decoders, which can be queried via srd_list_decoders().
+ * internal list of decoders, which can be queried via srd_decoders_list().
*
* The caller is responsible for calling the clean-up function srd_exit(),
* which will properly shut down libsigrokdecode and free its allocated memory.
/* Environment variable overrides everything, for debugging. */
if ((env_path = getenv("SIGROKDECODE_DIR"))) {
- if ((ret = add_modulepath(path)) != SRD_OK) {
+ if ((ret = add_modulepath(env_path)) != SRD_OK) {
Py_Finalize();
return ret;
}
}
- if ((ret = srd_load_all_decoders()) != SRD_OK) {
- Py_Finalize();
- return ret;
- }
-
return SRD_OK;
}
{
srd_dbg("Exiting libsigrokdecode.");
- srd_unload_all_decoders();
+ srd_decoders_unload_all();
g_slist_free(pd_list);
/* Py_Finalize() returns void, any finalization errors are ignored. */
*
* @return SRD_OK upon success, a (negative) error code otherwise.
*/
-SRD_API int srd_inst_set_options(struct srd_decoder_inst *di,
+SRD_API int srd_inst_options_set(struct srd_decoder_inst *di,
GHashTable *options)
{
PyObject *py_dec_options, *py_dec_optkeys, *py_di_options, *py_optval;
return ret;
}
-/* Helper GComparefunc for g_slist_find_custom() in srd_inst_set_probes() */
+/* Helper GComparefunc for g_slist_find_custom() in srd_inst_probes_set() */
static gint compare_probe_id(struct srd_probe *a, char *probe_id)
{
return strcmp(a->id, probe_id);
* @param probes A GHashTable of probes to set. Key is probe name, value is
* the probe number. Samples passed to this instance will be
* arranged in this order.
+ *
* @return SRD_OK upon success, a (negative) error code otherwise.
*/
-SRD_API int srd_inst_set_probes(struct srd_decoder_inst *di,
+SRD_API int srd_inst_probes_set(struct srd_decoder_inst *di,
GHashTable *new_probes)
{
GList *l;
* @param id Decoder 'id' field.
* @param options GHashtable of options which override the defaults set in
* the decoder class.
+ *
* @return Pointer to a newly allocated struct srd_decoder_inst, or
* NULL in case of failure.
*/
srd_dbg("Creating new %s instance.", decoder_id);
- if (!(dec = srd_get_decoder_by_id(decoder_id))) {
+ if (!(dec = srd_decoder_get_by_id(decoder_id))) {
srd_err("Protocol decoder %s not found.", decoder_id);
return NULL;
}
return NULL;
}
- if (srd_inst_set_options(di, options) != SRD_OK) {
+ if (srd_inst_options_set(di, options) != SRD_OK) {
g_free(di->dec_probemap);
g_free(di);
return NULL;
return di;
}
+/**
+ * Stack a decoder instance on top of another.
+ *
+ * @param di_from The instance to move.
+ * @param di_to The instance on top of which di_from will be stacked.
+ *
+ * @return SRD_OK upon success, a (negative) error code otherwise.
+ */
SRD_API int srd_inst_stack(struct srd_decoder_inst *di_from,
struct srd_decoder_inst *di_to)
{
*
* @return Pointer to struct srd_decoder_inst, or NULL if not found.
*/
-SRD_API struct srd_decoder_inst *srd_inst_find_by_obj(GSList *stack,
+SRD_PRIV struct srd_decoder_inst *srd_inst_find_by_obj(GSList *stack,
PyObject *obj)
{
GSList *l;
return di;
}
-SRD_API int srd_inst_start(struct srd_decoder_inst *di, PyObject *args)
+SRD_PRIV int srd_inst_start(struct srd_decoder_inst *di, PyObject *args)
{
PyObject *py_name, *py_res;
GSList *l;
*
* @return SRD_OK upon success, a (negative) error code otherwise.
*/
-SRD_API int srd_inst_decode(uint64_t start_samplenum,
+SRD_PRIV int srd_inst_decode(uint64_t start_samplenum,
struct srd_decoder_inst *di,
uint8_t *inbuf, uint64_t inbuflen)
{
return SRD_OK;
}
-SRD_API void srd_inst_free(struct srd_decoder_inst *di)
+SRD_PRIV void srd_inst_free(struct srd_decoder_inst *di)
{
GSList *l;
struct srd_pd_output *pdo;
g_slist_free(di->pd_output);
}
-SRD_API void srd_inst_free_all(GSList *stack)
+SRD_PRIV void srd_inst_free_all(GSList *stack)
{
GSList *l;
struct srd_decoder_inst *di;
}
}
+/**
+ * Start a decoding session.
+ *
+ * Decoders, instances and stack must have been prepared beforehand.
+ *
+ * @param num_probes The number of probes which the incoming feed will contain.
+ * @param unitsize The number of bytes per sample in the incoming feed.
+ * @param The samplerate of the incoming feed.
+ *
+ * @return SRD_OK upon success, a (negative) error code otherwise.
+ */
SRD_API int srd_session_start(int num_probes, int unitsize, uint64_t samplerate)
{
PyObject *args;
return ret;
}
-/* Feed logic samples to decoder session. */
-SRD_API int srd_session_feed(uint64_t start_samplenum, uint8_t * inbuf,
+/**
+ * Feed a chunk of logic sample data to a running decoder session.
+ *
+ * @param start_samplenum The sample number of the first sample in this chunk.
+ * @param inbuf Pointer to sample data.
+ * @param inbuf Length in bytes of the buffer.
+ *
+ * @return SRD_OK upon success, a (negative) error code otherwise.
+ */
+SRD_API int srd_session_feed(uint64_t start_samplenum, uint8_t *inbuf,
uint64_t inbuflen)
{
GSList *d;
return SRD_OK;
}
+/**
+ * Register a decoder output callback function.
+ *
+ * The function will be called when a protocol decoder sends output back
+ * to the PD controller (except for Python objects, which only go up the
+ * stack).
+ *
+ * @param output_type The output type this callback will receive. Only one
+ * callback per output type can be registered.
+ * @param cb The function to call.
+ * @param cb_data Unused.
+ */
SRD_API int srd_register_callback(int output_type,
- srd_pd_output_callback_t cb, void *user_data)
+ srd_pd_output_callback_t cb, void *cb_data)
{
struct srd_pd_callback *pd_cb;
}
pd_cb->output_type = output_type;
- pd_cb->callback = cb;
- pd_cb->user_data = user_data;
+ pd_cb->cb = cb;
+ pd_cb->cb_data = cb_data;
callbacks = g_slist_append(callbacks, pd_cb);
return SRD_OK;
}
-SRD_API void *srd_find_callback(int output_type)
+SRD_PRIV void *srd_find_callback(int output_type)
{
GSList *l;
struct srd_pd_callback *pd_cb;
for (l = callbacks; l; l = l->next) {
pd_cb = l->data;
if (pd_cb->output_type == output_type) {
- cb = pd_cb->callback;
+ cb = pd_cb->cb;
break;
}
}