]> sigrok.org Git - libsigrokdecode.git/blobdiff - controller.c
new dynamic output stream registration code, not finished.
[libsigrokdecode.git] / controller.c
index db2ed9b4e5091202dff16696962380a0929efc45..efeef2808e70c56fe074f9309a8f389acf160d20 100644 (file)
 #endif
 
 
+/* TODO
 static GSList *pipelines = NULL;
+*/
 
 /* lives in decoder.c */
-extern GSList *list_pds;
-extern GSList *decoders;
+extern GSList *pd_list;
+extern GSList *di_list;
 
 struct srd_pipeline {
        int id;
@@ -53,73 +55,95 @@ static PyObject *Decoder_init(PyObject *self, PyObject *args)
        Py_RETURN_NONE;
 }
 
+struct srd_decoder_instance *get_di_by_decobject(void *decobject);
 
 static PyObject *Decoder_put(PyObject *self, PyObject *args)
 {
-       PyObject *arg;
+       GSList *l;
+       PyObject *data;
+       struct srd_decoder_instance *di;
+       struct srd_pd_output *pdo;
+       int output_id;
+
+       if (!(di = get_di_by_decobject(self)))
+               return NULL;
 
-//     printf("put object %x\n", self);
+       printf("put: %s instance %x: ", di->decoder->name, (unsigned int) di);
+
+       if (!PyArg_ParseTuple(args, "iO", &output_id, &data))
+               return NULL;
 
-       if (!PyArg_ParseTuple(args, "O:put", &arg))
+       if (!(l = g_slist_nth(di->pd_output, output_id)))
+               /* PD supplied invalid output id */
+               /* TODO: better error message */
                return NULL;
+       pdo = l->data;
 
-       // fprintf(stdout, "sigrok.put() called by decoder:\n");
-       PyObject_Print(arg, stdout, Py_PRINT_RAW);
+       printf("output type %d: ", pdo->output_type);
+       PyObject_Print(data, stdout, Py_PRINT_RAW);
        puts("");
 
        Py_RETURN_NONE;
 }
 
+
+static PyObject *Decoder_output_new(PyObject *self, PyObject *py_output_type)
+{
+       PyObject *ret;
+       struct srd_decoder_instance *di;
+       char *protocol_id, *description;
+       int output_type, pdo_id;
+
+       if (!(di = get_di_by_decobject(self)))
+               return NULL;
+
+       printf("output_new di %s\n", di->decoder->name);
+
+//     if (!PyArg_ParseTuple(args, "i:output_type,s:protocol_id,s:description",
+//                     &output_type, &protocol_id, &description))
+       if (!PyArg_ParseTuple(py_output_type, "i:output_type", &output_type))
+               return NULL;
+
+       protocol_id = "i2c";
+       description = "blah";
+       pdo_id = pd_output_new(di, output_type, protocol_id, description);
+       if (pdo_id < 0)
+               Py_RETURN_NONE;
+       else
+               ret = Py_BuildValue("i", pdo_id);
+
+       return ret;
+}
+
 static PyMethodDef no_methods[] = { {NULL, NULL, 0, NULL} };
 static PyMethodDef Decoder_methods[] = {
        {"__init__", Decoder_init, METH_VARARGS, ""},
        {"put", Decoder_put, METH_VARARGS,
         "Accepts a dictionary with the following keys: time, duration, data"},
+       {"output_new", Decoder_output_new, METH_VARARGS,
+        "Create a new output stream"},
        {NULL, NULL, 0, NULL}
 };
 
 
-// class Decoder(sigrok.Decoder):
 typedef struct {
        PyObject_HEAD
 } sigrok_Decoder_object;
 
 static PyTypeObject sigrok_Decoder_type = {
        PyObject_HEAD_INIT(NULL)
-       0,
-       "sigrok.Decoder",
-       sizeof(sigrok_Decoder_object),
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
-       "Sigrok Decoder object",
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       Decoder_methods,
+       .tp_name = "sigrok.Decoder",
+       .tp_basicsize = sizeof(sigrok_Decoder_object),
+       .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+       .tp_doc = "Sigrok Decoder object",
+       .tp_methods = Decoder_methods,
 };
 
 PyMODINIT_FUNC init_sigrok_Decoder(void)
 {
        PyObject *mod;
 
+       /* assign this here, for compiler portability */
        sigrok_Decoder_type.tp_new = PyType_GenericNew;
        if (PyType_Ready(&sigrok_Decoder_type) < 0)
                return;
@@ -131,6 +155,20 @@ PyMODINIT_FUNC init_sigrok_Decoder(void)
 }
 
 
+struct srd_decoder_instance *get_di_by_decobject(void *decobject)
+{
+       GSList *l;
+       struct srd_decoder_instance *di;
+
+       for (l = di_list; l; l = l->next) {
+               di = l->data;
+               if (decobject == di->py_instance)
+                       return di;
+       }
+
+       return NULL;
+}
+
 /**
  * Initialize libsigrokdecode.
  *
@@ -194,7 +232,7 @@ int srd_exit(void)
        /* Unload/free all decoders, and then the list of decoders itself. */
        /* TODO: Error handling. */
        srd_unload_all_decoders();
-       g_slist_free(list_pds);
+       g_slist_free(pd_list);
 
        /* Py_Finalize() returns void, any finalization errors are ignored. */
        Py_Finalize();
@@ -250,7 +288,7 @@ struct srd_decoder_instance *srd_instance_new(const char *id)
                Py_XDECREF(py_args);
                return NULL; /* TODO: More specific error? */
        }
-       decoders = g_slist_append(decoders, di);
+       di_list = g_slist_append(di_list, di);
 
        Py_XDECREF(py_args);
 
@@ -290,13 +328,14 @@ int srd_session_start(const char *driver, int unitsize, uint64_t starttime,
 
        fprintf(stdout, "%s: %s\n", __func__, driver);
 
-       for (d = decoders; d; d = d->next) {
+       for (d = di_list; d; d = d->next) {
                di = d->data;
                if (!(py_res = PyObject_CallMethod(di->py_instance, "start",
-                                                "{s:s,s:i,s:d}",
-                                                "driver", driver,
-                                                "unitsize", unitsize,
-                                                "starttime", starttime))) {
+                                       "{s:s,s:l,s:l,s:l}",
+                                       "driver", driver,
+                                       "unitsize", (long)unitsize,
+                                       "starttime", (long)starttime,
+                                       "samplerate", (long)samplerate))) {
                        if (PyErr_Occurred())
                                PyErr_Print(); /* Returns void. */
 
@@ -315,8 +354,6 @@ int srd_session_start(const char *driver, int unitsize, uint64_t starttime,
  * @param dec TODO
  * @param inbuf TODO
  * @param inbuflen TODO
- * @param outbuf TODO
- * @param outbuflen TODO
  *
  * @return SRD_OK upon success, a (negative) error code otherwise.
  */
@@ -333,11 +370,11 @@ int srd_run_decoder(struct srd_decoder_instance *dec,
 
        /* Return an error upon unusable input. */
        if (dec == NULL)
-               return SRD_ERR_ARGS; /* TODO: More specific error? */
+               return SRD_ERR_ARG; /* TODO: More specific error? */
        if (inbuf == NULL)
-               return SRD_ERR_ARGS; /* TODO: More specific error? */
+               return SRD_ERR_ARG; /* TODO: More specific error? */
        if (inbuflen == 0) /* No point in working on empty buffers. */
-               return SRD_ERR_ARGS; /* TODO: More specific error? */
+               return SRD_ERR_ARG; /* TODO: More specific error? */
 
        /* TODO: Error handling. */
        py_instance = dec->py_instance;
@@ -367,7 +404,7 @@ int srd_session_feed(uint8_t *inbuf, uint64_t inbuflen)
 
 //     fprintf(stdout, "%s: %d bytes\n", __func__, inbuflen);
 
-       for (d = decoders; d; d = d->next) {
+       for (d = di_list; d; d = d->next) {
                if ((ret = srd_run_decoder(d->data, inbuf, inbuflen)) != SRD_OK)
                        return ret;
        }
@@ -376,18 +413,42 @@ int srd_session_feed(uint8_t *inbuf, uint64_t inbuflen)
 }
 
 
+int pd_output_new(struct srd_decoder_instance *di, int output_type,
+               char *protocol_id, char *description)
+{
+       GSList *l;
+       struct srd_pd_output *pdo;
+       int pdo_id;
+
+       fprintf(stdout, "%s: output type %d, protocol_id %s, description %s\n",
+                       __func__, output_type, protocol_id, description);
+
+       pdo_id = -1;
+       for (l = di->pd_output; l; l = l->next) {
+               pdo = l->data;
+               if (pdo->pdo_id > pdo_id)
+                       pdo_id = pdo->pdo_id;
+       }
+       pdo_id++;
+
+       if (!(pdo = g_try_malloc(sizeof(struct srd_pd_output))))
+               return -1;
+
+       pdo->pdo_id = pdo_id;
+       pdo->output_type = output_type;
+       pdo->protocol_id = g_strdup(protocol_id);
+       pdo->description = g_strdup(description);
+       di->pd_output = g_slist_append(di->pd_output, pdo);
+
+       return pdo_id;
+}
+
+
 //int srd_pipeline_new(int plid)
 //{
 //
 //
 //}
-//
-//
-//int pd_output_new(int output_type, char *output_id, char *description)
-//{
-//
-//
-//}