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bc5f5a43 BV |
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. */ | |
15969949 | 21 | #include "sigrokdecode-internal.h" |
bc5f5a43 BV |
22 | #include "config.h" |
23 | ||
24 | /* lives in type_logic.c */ | |
25 | extern PyTypeObject srd_logic_type; | |
26 | ||
27 | ||
15969949 BV |
28 | static int convert_pyobj(struct srd_decoder_instance *di, PyObject *obj, |
29 | int *annotation_format, char ***annotation) | |
30 | { | |
31 | PyObject *py_tmp; | |
32 | struct srd_pd_output *pdo; | |
33 | int ann_id; | |
34 | ||
35 | /* Should be a list of [annotation format, [string, ...]] */ | |
36 | if (!PyList_Check(obj) && !PyTuple_Check(obj)) { | |
37 | srd_err("Protocol decoder %s submitted %s instead of list", | |
38 | di->decoder->name, obj->ob_type->tp_name); | |
39 | return SRD_ERR_PYTHON; | |
40 | } | |
41 | ||
42 | /* Should have 2 elements... */ | |
43 | if (PyList_Size(obj) != 2) { | |
44 | srd_err("Protocol decoder %s submitted annotation list with %d elements instead of 2", | |
45 | di->decoder->name, PyList_Size(obj)); | |
46 | return SRD_ERR_PYTHON; | |
47 | } | |
48 | ||
49 | /* First element should be an integer matching a previously | |
50 | * registered annotation format. */ | |
51 | py_tmp = PyList_GetItem(obj, 0); | |
52 | if (!PyLong_Check(py_tmp)) { | |
53 | srd_err("Protocol decoder %s submitted annotation list, but first element was not an integer", | |
54 | di->decoder->name); | |
55 | return SRD_ERR_PYTHON; | |
56 | } | |
57 | ||
58 | ann_id = PyLong_AsLong(py_tmp); | |
59 | if (!(pdo = g_slist_nth_data(di->decoder->annotation, ann_id))) { | |
60 | srd_err("Protocol decoder %s submitted data to non-existent annotation format %d", | |
61 | di->decoder->name, ann_id); | |
62 | return SRD_ERR_PYTHON; | |
63 | } | |
64 | *annotation_format = ann_id; | |
65 | ||
66 | /* Second element must be a list */ | |
67 | py_tmp = PyList_GetItem(obj, 1); | |
68 | if (!PyList_Check(py_tmp)) { | |
69 | srd_err("Protocol decoder %s submitted annotation list, but second element was not a list", | |
70 | di->decoder->name); | |
71 | return SRD_ERR_PYTHON; | |
72 | } | |
73 | if (py_strlist_to_char(py_tmp, annotation) != SRD_OK) { | |
74 | srd_err("Protocol decoder %s submitted annotation list, but second element was malformed", | |
75 | di->decoder->name); | |
76 | return SRD_ERR_PYTHON; | |
77 | } | |
78 | ||
79 | return SRD_OK; | |
80 | } | |
81 | ||
bc5f5a43 BV |
82 | /* TODO: not used, doesn't work actually */ |
83 | static PyObject *Decoder_init(PyObject *self, PyObject *args) | |
84 | { | |
85 | (void)self; | |
86 | (void)args; | |
87 | printf("init Decoder object %p\n", self); | |
88 | ||
89 | Py_RETURN_NONE; | |
90 | } | |
91 | ||
92 | static PyObject *Decoder_put(PyObject *self, PyObject *args) | |
93 | { | |
94 | GSList *l; | |
95 | PyObject *data; | |
96 | struct srd_decoder_instance *di; | |
97 | struct srd_pd_output *pdo; | |
98 | uint64_t timeoffset, duration; | |
15969949 BV |
99 | int output_id, annotation_format, i; |
100 | char **annotation, **ann_info; | |
bc5f5a43 BV |
101 | |
102 | if (!(di = get_di_by_decobject(self))) | |
103 | return NULL; | |
104 | ||
105 | if (!PyArg_ParseTuple(args, "KKiO", &timeoffset, &duration, &output_id, &data)) | |
106 | return NULL; | |
107 | ||
108 | if (!(l = g_slist_nth(di->pd_output, output_id))) { | |
15969949 BV |
109 | srd_err("Protocol decoder %s submitted invalid output ID %d", |
110 | di->decoder->name, output_id); | |
bc5f5a43 BV |
111 | return NULL; |
112 | } | |
113 | pdo = l->data; | |
114 | ||
15969949 BV |
115 | switch (pdo->output_type) { |
116 | case SRD_OUTPUT_ANNOTATION: | |
117 | if (convert_pyobj(di, data, &annotation_format, &annotation) != SRD_OK) | |
118 | return NULL; | |
119 | ||
120 | /* TODO: SRD_OUTPUT_ANNOTATION should go back up to the caller */ | |
121 | ann_info = g_slist_nth_data(pdo->decoder->annotation, annotation_format); | |
122 | printf("annotation format %d (%s): ", annotation_format, ann_info[0]); | |
123 | for (i = 0; annotation[i]; i++) | |
124 | printf("\"%s\" ", annotation[i]); | |
125 | printf("\n"); | |
126 | break; | |
127 | ||
128 | case SRD_OUTPUT_PROTOCOL: | |
129 | ||
130 | /* TODO: SRD_OUTPUT_PROTOCOL should go up the PD stack. */ | |
131 | printf("%s protocol data: ", pdo->decoder->name); | |
132 | PyObject_Print(data, stdout, Py_PRINT_RAW); | |
133 | puts(""); | |
134 | break; | |
135 | ||
136 | default: | |
137 | srd_err("Protocol decoder %s submitted invalid output type %d", | |
138 | di->decoder->name, pdo->output_type); | |
139 | break; | |
140 | } | |
bc5f5a43 BV |
141 | |
142 | Py_RETURN_NONE; | |
143 | } | |
144 | ||
145 | ||
146 | static PyObject *Decoder_output_new(PyObject *self, PyObject *py_output_type) | |
147 | { | |
148 | PyObject *ret; | |
149 | struct srd_decoder_instance *di; | |
15969949 | 150 | char *protocol_id; |
bc5f5a43 BV |
151 | int output_type, pdo_id; |
152 | ||
153 | if (!(di = get_di_by_decobject(self))) | |
154 | return NULL; | |
155 | ||
156 | printf("output_new di %s\n", di->decoder->name); | |
157 | ||
158 | if (!PyArg_ParseTuple(py_output_type, "i:output_type", &output_type)) | |
159 | return NULL; | |
160 | ||
15969949 | 161 | /* TODO: take protocol_id from python */ |
bc5f5a43 | 162 | protocol_id = "i2c"; |
15969949 | 163 | pdo_id = pd_output_new(di, output_type, protocol_id); |
bc5f5a43 BV |
164 | if (pdo_id < 0) |
165 | Py_RETURN_NONE; | |
166 | else | |
167 | ret = Py_BuildValue("i", pdo_id); | |
168 | ||
169 | return ret; | |
170 | } | |
171 | ||
172 | static PyMethodDef no_methods[] = { {NULL, NULL, 0, NULL} }; | |
173 | static PyMethodDef Decoder_methods[] = { | |
174 | {"put", Decoder_put, METH_VARARGS, | |
175 | "Accepts a dictionary with the following keys: time, duration, data"}, | |
176 | {"output_new", Decoder_output_new, METH_VARARGS, | |
177 | "Create a new output stream"}, | |
178 | {NULL, NULL, 0, NULL} | |
179 | }; | |
180 | ||
181 | ||
182 | typedef struct { | |
183 | PyObject_HEAD | |
184 | } sigrok_Decoder_object; | |
185 | ||
186 | static PyTypeObject srd_Decoder_type = { | |
187 | PyVarObject_HEAD_INIT(NULL, 0) | |
188 | .tp_name = "sigrokdecode.Decoder", | |
189 | .tp_basicsize = sizeof(sigrok_Decoder_object), | |
190 | .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, | |
191 | .tp_doc = "Sigrok Decoder object", | |
192 | .tp_methods = Decoder_methods, | |
193 | .tp_init = (initproc) Decoder_init, | |
194 | }; | |
195 | ||
196 | static struct PyModuleDef sigrokdecode_module = { | |
197 | PyModuleDef_HEAD_INIT, | |
198 | .m_name = "sigrokdecode", | |
199 | .m_doc = "sigrokdecode base class", | |
200 | .m_size = -1, | |
201 | .m_methods = no_methods, | |
202 | }; | |
203 | ||
204 | PyMODINIT_FUNC PyInit_sigrokdecode(void) | |
205 | { | |
206 | PyObject *mod; | |
207 | ||
208 | /* tp_new needs to be assigned here for compiler portability */ | |
209 | srd_Decoder_type.tp_new = PyType_GenericNew; | |
210 | if (PyType_Ready(&srd_Decoder_type) < 0) | |
211 | return NULL; | |
212 | ||
213 | srd_logic_type.tp_new = PyType_GenericNew; | |
214 | if (PyType_Ready(&srd_logic_type) < 0) | |
215 | return NULL; | |
216 | ||
217 | mod = PyModule_Create(&sigrokdecode_module); | |
218 | Py_INCREF(&srd_Decoder_type); | |
219 | if (PyModule_AddObject(mod, "Decoder", (PyObject *)&srd_Decoder_type) == -1) | |
220 | return NULL; | |
221 | Py_INCREF(&srd_logic_type); | |
222 | if (PyModule_AddObject(mod, "srd_logic", (PyObject *)&srd_logic_type) == -1) | |
223 | return NULL; | |
224 | ||
225 | return mod; | |
226 | } | |
227 |