X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=controller.c;h=5ffe7ae21bfc2a8c51a18b8e27425b835c02e724;hp=ddac3baf16c7e18b904dfb4ce63818f43c19a681;hb=361fdcaafec8ddd37f0d381204e4c2a22c56b238;hpb=4c1d067068fdb9e5f723b3548bddb64e0b06fc36 diff --git a/controller.c b/controller.c index ddac3ba..5ffe7ae 100644 --- a/controller.c +++ b/controller.c @@ -28,7 +28,7 @@ /* List of decoder instances. */ static GSList *di_list = NULL; -/* List of frontend callbacks to receive PD output. */ +/* List of frontend callbacks to receive decoder output. */ static GSList *callbacks = NULL; /* decoder.c */ @@ -44,7 +44,7 @@ extern SRD_PRIV PyTypeObject srd_logic_type; * Initialize libsigrokdecode. * * This initializes the Python interpreter, and creates and initializes - * a "sigrok" Python module with a single put() method. + * a "sigrokdecode" Python module. * * Then, it searches for sigrok protocol decoder files (*.py) in the * "decoders" subdirectory of the the sigrok installation directory. @@ -58,7 +58,7 @@ extern SRD_PRIV PyTypeObject srd_logic_type; * are not allowed. * * @param path Path to an extra directory containing protocol decoders - * which will be added to the python sys.path, or NULL. + * which will be added to the Python sys.path, or NULL. * * @return SRD_OK upon success, a (negative) error code otherwise. * Upon Python errors, return SRD_ERR_PYTHON. If the sigrok decoders @@ -138,8 +138,8 @@ SRD_API int srd_exit(void) * Python modules which have the same name as a sigrok protocol decoder in * sys.path or in the current working directory. * - * @param path Path to an extra directory containing protocol decoders - * which will be added to the python sys.path, or NULL. + * @param path Path to the directory containing protocol decoders which shall + * be added to the Python sys.path, or NULL. * * @return SRD_OK upon success, a (negative) error code otherwise. */ @@ -199,15 +199,15 @@ SRD_PRIV int add_modulepath(const char *path) /** * Set options in a decoder instance. * + * Handled options are removed from the hash. + * * @param di Decoder instance. * @param options A GHashTable of options to set. * - * Handled options are removed from the hash. - * * @return SRD_OK upon success, a (negative) error code otherwise. */ SRD_API int srd_inst_options_set(struct srd_decoder_inst *di, - GHashTable *options) + GHashTable *options) { PyObject *py_dec_options, *py_dec_optkeys, *py_di_options, *py_optval; PyObject *py_optlist, *py_classval; @@ -293,7 +293,8 @@ SRD_API int srd_inst_options_set(struct srd_decoder_inst *di, } } - /* If we got here, py_optval holds a known good new reference + /* + * If we got here, py_optval holds a known good new reference * to the instance option to set. */ if (PyDict_SetItemString(py_di_options, key, py_optval) == -1) @@ -331,7 +332,7 @@ static gint compare_probe_id(struct srd_probe *a, char *probe_id) * @return SRD_OK upon success, a (negative) error code otherwise. */ SRD_API int srd_inst_probes_set(struct srd_decoder_inst *di, - GHashTable *new_probes) + GHashTable *new_probes) { GList *l; GSList *sl; @@ -404,7 +405,7 @@ SRD_API int srd_inst_probes_set(struct srd_decoder_inst *di, * NULL in case of failure. */ SRD_API struct srd_decoder_inst *srd_inst_new(const char *decoder_id, - GHashTable *options) + GHashTable *options) { int i; struct srd_decoder *dec; @@ -428,7 +429,8 @@ SRD_API struct srd_decoder_inst *srd_inst_new(const char *decoder_id, di->inst_id = g_strdup(inst_id ? inst_id : decoder_id); g_hash_table_remove(options, "id"); - /* Prepare a default probe map, where samples come in the + /* + * Prepare a default probe map, where samples come in the * order in which the decoder class defined them. */ di->dec_num_probes = g_slist_length(di->decoder->probes) + @@ -494,11 +496,12 @@ SRD_API int srd_inst_stack(struct srd_decoder_inst *di_from, } /** - * Finds a decoder instance by its instance id, but only in the bottom - * level of instances -- instances already stacked on top of another one - * will not be found. + * Find a decoder instance by its instance ID. + * + * Only the bottom level of instances are searched -- instances already stacked + * on top of another one will not be found. * - * @param inst_id The instance id to be found. + * @param inst_id The instance ID to be found. * * @return Pointer to struct srd_decoder_inst, or NULL if not found. */ @@ -520,19 +523,20 @@ SRD_API struct srd_decoder_inst *srd_inst_find_by_id(char *inst_id) } /** - * Finds a decoder instance by its Python object, i.e. that instance's - * instantiation of the sigrokdecode.Decoder class. This will recurse - * to find the instance anywhere in the stack tree. + * Find a decoder instance by its Python object. + * + * I.e. find that instance's instantiation of the sigrokdecode.Decoder class. + * This will recurse to find the instance anywhere in the stack tree. * - * @param stack Pointer to a GSList of struct srd_decoder_inst, - * indicating the stack to search. To start searching at the bottom - * level of decoder instances, pass NULL. + * @param stack Pointer to a GSList of struct srd_decoder_inst, indicating the + * stack to search. To start searching at the bottom level of + * decoder instances, pass NULL. * @param obj The Python class instantiation. * * @return Pointer to struct srd_decoder_inst, or NULL if not found. */ SRD_PRIV struct srd_decoder_inst *srd_inst_find_by_obj(GSList *stack, - PyObject *obj) + PyObject *obj) { GSList *l; struct srd_decoder_inst *tmp, *di; @@ -575,7 +579,8 @@ SRD_PRIV int srd_inst_start(struct srd_decoder_inst *di, PyObject *args) Py_DecRef(py_res); Py_DecRef(py_name); - /* Start all the PDs stacked on top of this one. Pass along the + /* + * Start all the PDs stacked on top of this one. Pass along the * metadata all the way from the bottom PD, even though it's only * applicable to logic data for now. */ @@ -623,7 +628,8 @@ SRD_PRIV int srd_inst_decode(uint64_t start_samplenum, return SRD_ERR_ARG; } - /* Create new srd_logic object. Each iteration around the PD's loop + /* + * Create new srd_logic object. Each iteration around the PD's loop * will fill one sample into this object. */ logic = PyObject_New(srd_logic, &srd_logic_type); @@ -694,7 +700,7 @@ SRD_PRIV void srd_inst_free_all(GSList *stack) * * @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. + * @param samplerate The samplerate of the incoming feed. * * @return SRD_OK upon success, a (negative) error code otherwise. */ @@ -708,7 +714,8 @@ SRD_API int srd_session_start(int num_probes, int unitsize, uint64_t samplerate) srd_dbg("Calling start() on all instances with %d probes, " "unitsize %d samplerate %d.", num_probes, unitsize, samplerate); - /* Currently only one item of metadata is passed along to decoders, + /* + * Currently only one item of metadata is passed along to decoders, * samplerate. This can be extended as needed. */ if (!(args = Py_BuildValue("{s:l}", "samplerate", (long)samplerate))) { @@ -752,7 +759,7 @@ SRD_API int srd_session_feed(uint64_t start_samplenum, uint8_t *inbuf, for (d = di_list; d; d = d->next) { if ((ret = srd_inst_decode(start_samplenum, d->data, inbuf, - inbuflen)) != SRD_OK) + inbuflen)) != SRD_OK) return ret; } @@ -768,11 +775,11 @@ SRD_API int srd_session_feed(uint64_t start_samplenum, uint8_t *inbuf, * * @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 user_data Unused. + * @param cb The function to call. Must not be NULL. + * @param cb_data Private data for the callback function. Can be NULL. */ 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; @@ -785,7 +792,7 @@ SRD_API int srd_register_callback(int output_type, pd_cb->output_type = output_type; pd_cb->cb = cb; - pd_cb->user_data = user_data; + pd_cb->cb_data = cb_data; callbacks = g_slist_append(callbacks, pd_cb); return SRD_OK;