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1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include "sigrokdecode.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */ | |
21 | #include "config.h" | |
22 | ||
23 | /* lives in type_logic.c */ | |
24 | extern PyTypeObject srd_logic_type; | |
25 | ||
26 | ||
27 | /* TODO: not used, doesn't work actually */ | |
28 | static PyObject *Decoder_init(PyObject *self, PyObject *args) | |
29 | { | |
30 | (void)self; | |
31 | (void)args; | |
32 | printf("init Decoder object %p\n", self); | |
33 | ||
34 | Py_RETURN_NONE; | |
35 | } | |
36 | ||
37 | static PyObject *Decoder_put(PyObject *self, PyObject *args) | |
38 | { | |
39 | GSList *l; | |
40 | PyObject *data; | |
41 | struct srd_decoder_instance *di; | |
42 | struct srd_pd_output *pdo; | |
43 | uint64_t timeoffset, duration; | |
44 | int output_id; | |
45 | ||
46 | if (!(di = get_di_by_decobject(self))) | |
47 | return NULL; | |
48 | ||
49 | if (!PyArg_ParseTuple(args, "KKiO", &timeoffset, &duration, &output_id, &data)) | |
50 | return NULL; | |
51 | ||
52 | if (!(l = g_slist_nth(di->pd_output, output_id))) { | |
53 | /* PD supplied invalid output id */ | |
54 | /* TODO: better error message */ | |
55 | return NULL; | |
56 | } | |
57 | pdo = l->data; | |
58 | ||
59 | /* TODO: SRD_OUTPUT_ANNOTATION should go back up to the caller, | |
60 | * and SRD_OUTPUT_PROTOCOL should go up the PD stack. | |
61 | */ | |
62 | printf("stream %d: ", pdo->output_type); | |
63 | PyObject_Print(data, stdout, Py_PRINT_RAW); | |
64 | puts(""); | |
65 | ||
66 | Py_RETURN_NONE; | |
67 | } | |
68 | ||
69 | ||
70 | static PyObject *Decoder_output_new(PyObject *self, PyObject *py_output_type) | |
71 | { | |
72 | PyObject *ret; | |
73 | struct srd_decoder_instance *di; | |
74 | char *protocol_id, *description; | |
75 | int output_type, pdo_id; | |
76 | ||
77 | if (!(di = get_di_by_decobject(self))) | |
78 | return NULL; | |
79 | ||
80 | printf("output_new di %s\n", di->decoder->name); | |
81 | ||
82 | if (!PyArg_ParseTuple(py_output_type, "i:output_type", &output_type)) | |
83 | return NULL; | |
84 | ||
85 | protocol_id = "i2c"; | |
86 | description = "blah"; | |
87 | pdo_id = pd_output_new(di, output_type, protocol_id, description); | |
88 | if (pdo_id < 0) | |
89 | Py_RETURN_NONE; | |
90 | else | |
91 | ret = Py_BuildValue("i", pdo_id); | |
92 | ||
93 | return ret; | |
94 | } | |
95 | ||
96 | static PyMethodDef no_methods[] = { {NULL, NULL, 0, NULL} }; | |
97 | static PyMethodDef Decoder_methods[] = { | |
98 | {"put", Decoder_put, METH_VARARGS, | |
99 | "Accepts a dictionary with the following keys: time, duration, data"}, | |
100 | {"output_new", Decoder_output_new, METH_VARARGS, | |
101 | "Create a new output stream"}, | |
102 | {NULL, NULL, 0, NULL} | |
103 | }; | |
104 | ||
105 | ||
106 | typedef struct { | |
107 | PyObject_HEAD | |
108 | } sigrok_Decoder_object; | |
109 | ||
110 | static PyTypeObject srd_Decoder_type = { | |
111 | PyVarObject_HEAD_INIT(NULL, 0) | |
112 | .tp_name = "sigrokdecode.Decoder", | |
113 | .tp_basicsize = sizeof(sigrok_Decoder_object), | |
114 | .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, | |
115 | .tp_doc = "Sigrok Decoder object", | |
116 | .tp_methods = Decoder_methods, | |
117 | .tp_init = (initproc) Decoder_init, | |
118 | }; | |
119 | ||
120 | static struct PyModuleDef sigrokdecode_module = { | |
121 | PyModuleDef_HEAD_INIT, | |
122 | .m_name = "sigrokdecode", | |
123 | .m_doc = "sigrokdecode base class", | |
124 | .m_size = -1, | |
125 | .m_methods = no_methods, | |
126 | }; | |
127 | ||
128 | PyMODINIT_FUNC PyInit_sigrokdecode(void) | |
129 | { | |
130 | PyObject *mod; | |
131 | ||
132 | /* tp_new needs to be assigned here for compiler portability */ | |
133 | srd_Decoder_type.tp_new = PyType_GenericNew; | |
134 | if (PyType_Ready(&srd_Decoder_type) < 0) | |
135 | return NULL; | |
136 | ||
137 | srd_logic_type.tp_new = PyType_GenericNew; | |
138 | if (PyType_Ready(&srd_logic_type) < 0) | |
139 | return NULL; | |
140 | ||
141 | mod = PyModule_Create(&sigrokdecode_module); | |
142 | Py_INCREF(&srd_Decoder_type); | |
143 | if (PyModule_AddObject(mod, "Decoder", (PyObject *)&srd_Decoder_type) == -1) | |
144 | return NULL; | |
145 | Py_INCREF(&srd_logic_type); | |
146 | if (PyModule_AddObject(mod, "srd_logic", (PyObject *)&srd_logic_type) == -1) | |
147 | return NULL; | |
148 | ||
149 | return mod; | |
150 | } | |
151 |