X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=controller.c;h=de9b00aa30a570f0c614b21e87760b2bc03fb371;hp=84a22b5b9520d81a1a8e89729080761f2829c0d3;hb=721501bf4267db27bd6b848c8a0d4b5016b1f1c0;hpb=73191416cc24884ffab5f21cc3405c7757884fba diff --git a/controller.c b/controller.c index 84a22b5..de9b00a 100644 --- a/controller.c +++ b/controller.c @@ -2,7 +2,7 @@ * This file is part of the sigrok project. * * Copyright (C) 2010 Uwe Hermann - * Copyright (C) 2011 Bert Vermeulen + * Copyright (C) 2012 Bert Vermeulen * * 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 @@ -26,154 +26,22 @@ /* TODO static GSList *pipelines = NULL; -*/ - -/* lives in decoder.c */ -extern GSList *pd_list; -extern GSList *di_list; - 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; -} - -struct srd_decoder_instance *get_di_by_decobject(void *decobject); - -static PyObject *Decoder_put(PyObject *self, PyObject *args) -{ - GSList *l; - PyObject *data; - struct srd_decoder_instance *di; - struct srd_pd_output *pdo; - uint64_t timeoffset, duration; - int output_id; - - if (!(di = get_di_by_decobject(self))) - return NULL; - - if (!PyArg_ParseTuple(args, "KKiO", &timeoffset, &duration, &output_id, &data)) - return NULL; - - printf("put: %s instance %p time %" PRIu64 " duration %" PRIu64 " ", - di->decoder->name, di, timeoffset, duration); - - if (!(l = g_slist_nth(di->pd_output, output_id))) - /* PD supplied invalid output id */ - /* TODO: better error message */ - return NULL; - pdo = l->data; - - printf("stream %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} -}; - - -typedef struct { - PyObject_HEAD -} sigrok_Decoder_object; - -static PyTypeObject sigrok_Decoder_type = { - PyVarObject_HEAD_INIT(NULL, 0) - .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, -}; - -static struct PyModuleDef sigrok_Decoder_module = { - PyModuleDef_HEAD_INIT, - .m_name = "sigrok", - .m_doc = "sigrok base classes", - .m_size = -1, - .m_methods = no_methods, -}; - -PyMODINIT_FUNC PyInit_sigrok(void) -{ - PyObject *mod; - - /* assign this here, for compiler portability */ - sigrok_Decoder_type.tp_new = PyType_GenericNew; - if (PyType_Ready(&sigrok_Decoder_type) < 0) - return NULL; - -// mod = Py_InitModule3("sigrok", no_methods, "sigrok base classes"); - mod = PyModule_Create(&sigrok_Decoder_module); - Py_INCREF(&sigrok_Decoder_type); - if (PyModule_AddObject(mod, "Decoder", (PyObject *)&sigrok_Decoder_type) == -1) - return NULL; - - return mod; -} - +/* lives in type_logic.c */ +extern PyTypeObject srd_logic_type; -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. @@ -201,14 +69,11 @@ int srd_init(void) { int ret; - PyImport_AppendInittab("sigrok", PyInit_sigrok); + PyImport_AppendInittab("sigrokdecode", PyInit_sigrokdecode); /* Py_Initialize() returns void and usually cannot fail. */ Py_Initialize(); - PyInit_sigrok(); - - PyRun_SimpleString("import sys;"); if ((ret = set_modulepath()) != SRD_OK) { Py_Finalize(); return ret; @@ -258,6 +123,7 @@ int set_modulepath(void) { int ret; + PyRun_SimpleString("import sys"); ret = PyRun_SimpleString("sys.path.append(r'" DECODERS_DIR "');"); return ret; @@ -279,6 +145,7 @@ 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 */ @@ -327,22 +194,21 @@ 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 = 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:l,s:l,s:l}", - "driver", driver, - "unitsize", (long)unitsize, - "starttime", (long)starttime, + "{s:l}", "samplerate", (long)samplerate))) { if (PyErr_Occurred()) PyErr_Print(); /* Returns void. */ @@ -366,15 +232,13 @@ int srd_session_start(const char *driver, int unitsize, uint64_t starttime, * @return SRD_OK upon success, a (negative) error code otherwise. */ int srd_run_decoder(uint64_t timeoffset, uint64_t duration, - struct srd_decoder_instance *dec, uint8_t *inbuf, uint64_t inbuflen) + struct srd_decoder_instance *di, uint8_t *inbuf, uint64_t inbuflen) { PyObject *py_instance, *py_res; - -// fprintf(stdout, "%s: %s\n", __func__, dec->decoder->name); -// printf("to %u du %u len %d\n", timeoffset, duration, inbuflen); + srd_logic *logic; /* Return an error upon unusable input. */ - if (dec == NULL) + if (di == NULL) return SRD_ERR_ARG; /* TODO: More specific error? */ if (inbuf == NULL) return SRD_ERR_ARG; /* TODO: More specific error? */ @@ -382,11 +246,20 @@ int srd_run_decoder(uint64_t timeoffset, uint64_t duration, 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", - "KKy#", timeoffset, duration, inbuf, inbuflen))) { + "KKO", timeoffset, duration, logic))) { if (PyErr_Occurred()) PyErr_Print(); /* Returns void. */ @@ -394,6 +267,7 @@ int srd_run_decoder(uint64_t timeoffset, uint64_t duration, } Py_XDECREF(py_res); + return SRD_OK; } @@ -447,6 +321,20 @@ int pd_output_new(struct srd_decoder_instance *di, int output_type, return 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_pipeline_new(int plid) //{