]> sigrok.org Git - libsigrokdecode.git/blobdiff - controller.c
srd: change output_new() API call to add()
[libsigrokdecode.git] / controller.c
index db2ed9b4e5091202dff16696962380a0929efc45..1ed852bea9b539ca8c3cf8c5379191617e130e0c 100644 (file)
@@ -2,7 +2,7 @@
  * This file is part of the sigrok project.
  *
  * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
- * Copyright (C) 2011 Bert Vermeulen <bert@biot.com>
+ * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  */
 
 #include "config.h"
-#include <sigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
+#include "sigrokdecode.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */
 #include <glib.h>
+#include <inttypes.h>
 
-/* TODO: this should probably be in sigrokdecode.h */
-/* Re-define some string functions for Python >= 3.0. */
-#if PY_VERSION_HEX >= 0x03000000
-#define PyString_AsString PyBytes_AsString
-#define PyString_FromString PyBytes_FromString
-#define PyString_Check PyBytes_Check
-#endif
 
+static GSList *callbacks = NULL;
 
+/* TODO
 static GSList *pipelines = NULL;
-
-/* lives in decoder.c */
-extern GSList *list_pds;
-extern GSList *decoders;
-
 struct srd_pipeline {
        int id;
        GSList *decoders;
 };
+*/
 
+/* lives in decoder.c */
+extern GSList *pd_list;
+extern GSList *di_list;
 
+/* lives in module_sigrokdecode.c */
+extern PyMODINIT_FUNC PyInit_sigrokdecode(void);
 
-static PyObject *Decoder_init(PyObject *self, PyObject *args)
-{
-       (void)self;
-       (void)args;
-//     printf("init object %x\n", self);
-
-       Py_RETURN_NONE;
-}
-
-
-static PyObject *Decoder_put(PyObject *self, PyObject *args)
-{
-       PyObject *arg;
-
-//     printf("put object %x\n", self);
-
-       if (!PyArg_ParseTuple(args, "O:put", &arg))
-               return NULL;
-
-       // fprintf(stdout, "sigrok.put() called by decoder:\n");
-       PyObject_Print(arg, stdout, Py_PRINT_RAW);
-       puts("");
-
-       Py_RETURN_NONE;
-}
-
-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"},
-       {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,
-};
-
-PyMODINIT_FUNC init_sigrok_Decoder(void)
-{
-       PyObject *mod;
-
-       sigrok_Decoder_type.tp_new = PyType_GenericNew;
-       if (PyType_Ready(&sigrok_Decoder_type) < 0)
-               return;
-
-       mod = Py_InitModule3("sigrok", no_methods, "sigrok base classes");
-       Py_INCREF(&sigrok_Decoder_type);
-       PyModule_AddObject(mod, "Decoder", (PyObject *)&sigrok_Decoder_type);
-
-}
+/* lives in type_logic.c */
+extern PyTypeObject srd_logic_type;
 
 
 /**
@@ -157,12 +71,11 @@ int srd_init(void)
 {
        int ret;
 
+       PyImport_AppendInittab("sigrokdecode", PyInit_sigrokdecode);
+
        /* Py_Initialize() returns void and usually cannot fail. */
        Py_Initialize();
 
-       init_sigrok_Decoder();
-
-       PyRun_SimpleString("import sys;");
        if ((ret = set_modulepath()) != SRD_OK) {
                Py_Finalize();
                return ret;
@@ -194,7 +107,7 @@ 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();
@@ -212,6 +125,7 @@ int set_modulepath(void)
 {
        int ret;
 
+       PyRun_SimpleString("import sys");
        ret = PyRun_SimpleString("sys.path.append(r'" DECODERS_DIR "');");
 
        return ret;
@@ -233,6 +147,7 @@ struct srd_decoder_instance *srd_instance_new(const char *id)
        di = g_malloc(sizeof(*di));
        di->decoder = dec;
        di->pd_output = NULL;
+       di->unitsize = 0;
 
        /* Create an empty Python tuple. */
        if (!(py_args = PyTuple_New(0))) { /* NEWREF */
@@ -250,7 +165,7 @@ 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);
 
@@ -271,7 +186,7 @@ int srd_instance_set_probe(struct srd_decoder_instance *di,
                return SRD_ERR_PYTHON; /* TODO: More specific error? */
        }
 
-       probenum = PyInt_FromLong(num);
+       probenum = PyLong_FromLong(num);
        PyMapping_SetItemString(probedict, (char *)probename, probenum);
 
        Py_XDECREF(probenum);
@@ -281,22 +196,22 @@ int srd_instance_set_probe(struct srd_decoder_instance *di,
 }
 
 
-int srd_session_start(const char *driver, int unitsize, uint64_t starttime,
-               uint64_t samplerate)
+int srd_session_start(int num_probes, int unitsize, uint64_t samplerate)
 {
        PyObject *py_res;
        GSList *d;
        struct srd_decoder_instance *di;
 
-       fprintf(stdout, "%s: %s\n", __func__, driver);
+       fprintf(stdout, "%s\n", __func__);
 
-       for (d = decoders; d; d = d->next) {
+       for (d = di_list; d; d = d->next) {
                di = d->data;
+               di->num_probes = num_probes;
+               di->unitsize = unitsize;
+               di->samplerate = samplerate;
                if (!(py_res = PyObject_CallMethod(di->py_instance, "start",
-                                                "{s:s,s:i,s:d}",
-                                                "driver", driver,
-                                                "unitsize", unitsize,
-                                                "starttime", starttime))) {
+                                   "{s:l}",
+                                       "samplerate", (long)samplerate))) {
                        if (PyErr_Occurred())
                                PyErr_Print(); /* Returns void. */
 
@@ -315,39 +230,38 @@ 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.
  */
-int srd_run_decoder(struct srd_decoder_instance *dec,
-                   uint8_t *inbuf, uint64_t inbuflen)
+int srd_run_decoder(uint64_t timeoffset, uint64_t duration,
+               struct srd_decoder_instance *di, uint8_t *inbuf, uint64_t inbuflen)
 {
        PyObject *py_instance, *py_res;
-       /* FIXME: Don't have a timebase available here. Make one up. */
-       static int _timehack = 0;
-
-       _timehack += inbuflen;
-
-//     fprintf(stdout, "%s: %s\n", __func__, dec->decoder->name);
+       srd_logic *logic;
 
        /* Return an error upon unusable input. */
-       if (dec == NULL)
-               return SRD_ERR_ARGS; /* TODO: More specific error? */
+       if (di == NULL)
+               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;
+       py_instance = di->py_instance;
        Py_XINCREF(py_instance);
 
+       logic = PyObject_New(srd_logic, &srd_logic_type);
+       Py_INCREF(logic);
+       logic->di = di;
+       logic->itercnt = 0;
+       logic->inbuf = inbuf;
+       logic->inbuflen = inbuflen;
+       logic->sample = PyList_New(2);
+       Py_INCREF(logic->sample);
+
        if (!(py_res = PyObject_CallMethod(py_instance, "decode",
-                                          "{s:i,s:i,s:s#}",
-                                          "time", _timehack,
-                                          "duration", 10,
-                                          "data", inbuf, inbuflen))) { /* NEWREF */
+                       "KKO", timeoffset, duration, logic))) {
                if (PyErr_Occurred())
                        PyErr_Print(); /* Returns void. */
 
@@ -355,20 +269,23 @@ int srd_run_decoder(struct srd_decoder_instance *dec,
        }
 
        Py_XDECREF(py_res);
+
        return SRD_OK;
 }
 
 
 /* Feed logic samples to decoder session. */
-int srd_session_feed(uint8_t *inbuf, uint64_t inbuflen)
+int srd_session_feed(uint64_t timeoffset, uint64_t duration, uint8_t *inbuf,
+               uint64_t inbuflen)
 {
        GSList *d;
        int ret;
 
 //     fprintf(stdout, "%s: %d bytes\n", __func__, inbuflen);
 
-       for (d = decoders; d; d = d->next) {
-               if ((ret = srd_run_decoder(d->data, inbuf, inbuflen)) != SRD_OK)
+       for (d = di_list; d; d = d->next) {
+               if ((ret = srd_run_decoder(timeoffset, duration, d->data, inbuf,
+                               inbuflen)) != SRD_OK)
                        return ret;
        }
 
@@ -376,18 +293,79 @@ int srd_session_feed(uint8_t *inbuf, uint64_t inbuflen)
 }
 
 
+int pd_add(struct srd_decoder_instance *di, int output_type,
+               char *protocol_id)
+{
+       struct srd_pd_output *pdo;
+
+       if (!(pdo = g_try_malloc(sizeof(struct srd_pd_output))))
+               return -1;
+
+       /* pdo_id is just a simple index, nothing is deleted from this list anway */
+       pdo->pdo_id = g_slist_length(di->pd_output);
+       pdo->output_type = output_type;
+       pdo->decoder = di->decoder;
+       pdo->protocol_id = g_strdup(protocol_id);
+       di->pd_output = g_slist_append(di->pd_output, pdo);
+
+       fprintf(stdout, "%s: output type %d, protocol_id %s, id %d\n",
+                       __func__, output_type, protocol_id, pdo->pdo_id);
+
+       return pdo->pdo_id;
+}
+
+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;
+}
+
+int srd_register_callback(int output_type, void *cb)
+{
+       struct srd_pd_callback *pd_cb;
+
+       if (!(pd_cb = g_try_malloc(sizeof(struct srd_pd_callback))))
+               return SRD_ERR_MALLOC;
+
+       pd_cb->output_type = output_type;
+       pd_cb->callback = cb;
+       callbacks = g_slist_append(callbacks, pd_cb);
+
+       printf("got cb for %d: %p\n", output_type, cb);
+       return SRD_OK;
+}
+
+void *srd_find_callback(int output_type)
+{
+       GSList *l;
+       struct srd_pd_callback *pd_cb;
+       void *(cb);
+
+       cb = NULL;
+       for (l = callbacks; l; l = l->next) {
+               pd_cb = l->data;
+               if (pd_cb->output_type == output_type) {
+                       cb = pd_cb->callback;
+                       break;
+               }
+       }
+
+       return cb;
+}
+
 //int srd_pipeline_new(int plid)
 //{
 //
 //
 //}
-//
-//
-//int pd_output_new(int output_type, char *output_id, char *description)
-//{
-//
-//
-//}