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1 | /* | |
2 | * This file is part of the libsigrokdecode project. | |
3 | * | |
4 | * Copyright (C) 2011 Uwe Hermann <uwe@hermann-uwe.de> | |
5 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #ifndef LIBSIGROKDECODE_LIBSIGROKDECODE_INTERNAL_H | |
22 | #define LIBSIGROKDECODE_LIBSIGROKDECODE_INTERNAL_H | |
23 | ||
24 | /* Use the stable ABI subset as per PEP 384. */ | |
25 | #define Py_LIMITED_API 0x03020000 | |
26 | ||
27 | #include <Python.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */ | |
28 | #include "libsigrokdecode.h" | |
29 | ||
30 | /* | |
31 | * Static definition of tables ending with an all-zero sentinel entry | |
32 | * may raise warnings when compiling with -Wmissing-field-initializers. | |
33 | * GCC suppresses the warning only with { 0 }, clang wants { } instead. | |
34 | */ | |
35 | #ifdef __clang__ | |
36 | # define ALL_ZERO { } | |
37 | #else | |
38 | # define ALL_ZERO { 0 } | |
39 | #endif | |
40 | ||
41 | enum { | |
42 | SRD_TERM_ALWAYS_FALSE, | |
43 | SRD_TERM_HIGH, | |
44 | SRD_TERM_LOW, | |
45 | SRD_TERM_RISING_EDGE, | |
46 | SRD_TERM_FALLING_EDGE, | |
47 | SRD_TERM_EITHER_EDGE, | |
48 | SRD_TERM_NO_EDGE, | |
49 | SRD_TERM_SKIP, | |
50 | }; | |
51 | ||
52 | struct srd_term { | |
53 | int type; | |
54 | int channel; | |
55 | uint64_t num_samples_to_skip; | |
56 | uint64_t num_samples_already_skipped; | |
57 | }; | |
58 | ||
59 | /* Custom Python types: */ | |
60 | ||
61 | typedef struct { | |
62 | PyObject_HEAD | |
63 | struct srd_decoder_inst *di; | |
64 | uint64_t abs_start_samplenum; | |
65 | unsigned int itercnt; | |
66 | uint8_t *inbuf; | |
67 | uint64_t inbuflen; | |
68 | PyObject *sample; | |
69 | } srd_logic; | |
70 | ||
71 | struct srd_session { | |
72 | int session_id; | |
73 | ||
74 | /* List of decoder instances. */ | |
75 | GSList *di_list; | |
76 | ||
77 | /* List of frontend callbacks to receive decoder output. */ | |
78 | GSList *callbacks; | |
79 | }; | |
80 | ||
81 | /* srd.c */ | |
82 | SRD_PRIV int srd_decoder_searchpath_add(const char *path); | |
83 | ||
84 | /* session.c */ | |
85 | SRD_PRIV struct srd_pd_callback *srd_pd_output_callback_find(struct srd_session *sess, | |
86 | int output_type); | |
87 | ||
88 | /* instance.c */ | |
89 | SRD_PRIV int srd_inst_start(struct srd_decoder_inst *di); | |
90 | SRD_PRIV void match_array_free(struct srd_decoder_inst *di); | |
91 | SRD_PRIV void condition_list_free(struct srd_decoder_inst *di); | |
92 | SRD_PRIV int srd_inst_decode(struct srd_decoder_inst *di, | |
93 | uint64_t abs_start_samplenum, uint64_t abs_end_samplenum, | |
94 | const uint8_t *inbuf, uint64_t inbuflen, uint64_t unitsize); | |
95 | SRD_PRIV int process_samples_until_condition_match(struct srd_decoder_inst *di, gboolean *found_match); | |
96 | SRD_PRIV int srd_inst_flush(struct srd_decoder_inst *di); | |
97 | SRD_PRIV int srd_inst_send_eof(struct srd_decoder_inst *di); | |
98 | SRD_PRIV int srd_inst_terminate_reset(struct srd_decoder_inst *di); | |
99 | SRD_PRIV void srd_inst_free(struct srd_decoder_inst *di); | |
100 | SRD_PRIV void srd_inst_free_all(struct srd_session *sess); | |
101 | ||
102 | /* log.c */ | |
103 | #if defined(G_OS_WIN32) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) | |
104 | /* | |
105 | * On MinGW, we need to specify the gnu_printf format flavor or GCC | |
106 | * will assume non-standard Microsoft printf syntax. | |
107 | */ | |
108 | SRD_PRIV int srd_log(int loglevel, const char *format, ...) | |
109 | __attribute__((__format__ (__gnu_printf__, 2, 3))); | |
110 | #else | |
111 | SRD_PRIV int srd_log(int loglevel, const char *format, ...) G_GNUC_PRINTF(2, 3); | |
112 | #endif | |
113 | ||
114 | #define srd_spew(...) srd_log(SRD_LOG_SPEW, __VA_ARGS__) | |
115 | #define srd_dbg(...) srd_log(SRD_LOG_DBG, __VA_ARGS__) | |
116 | #define srd_info(...) srd_log(SRD_LOG_INFO, __VA_ARGS__) | |
117 | #define srd_warn(...) srd_log(SRD_LOG_WARN, __VA_ARGS__) | |
118 | #define srd_err(...) srd_log(SRD_LOG_ERR, __VA_ARGS__) | |
119 | ||
120 | /* decoder.c */ | |
121 | SRD_PRIV long srd_decoder_apiver(const struct srd_decoder *d); | |
122 | ||
123 | /* type_decoder.c */ | |
124 | SRD_PRIV PyObject *srd_Decoder_type_new(void); | |
125 | SRD_PRIV const char *output_type_name(unsigned int idx); | |
126 | ||
127 | /* type_logic.c */ | |
128 | SRD_PRIV PyObject *srd_logic_type_new(void); | |
129 | ||
130 | /* module_sigrokdecode.c */ | |
131 | PyMODINIT_FUNC PyInit_sigrokdecode(void); | |
132 | ||
133 | /* util.c */ | |
134 | SRD_PRIV PyObject *py_import_by_name(const char *name); | |
135 | SRD_PRIV int py_attr_as_str(PyObject *py_obj, const char *attr, char **outstr); | |
136 | SRD_PRIV int py_attr_as_strlist(PyObject *py_obj, const char *attr, GSList **outstrlist); | |
137 | SRD_PRIV int py_dictitem_as_str(PyObject *py_obj, const char *key, char **outstr); | |
138 | SRD_PRIV int py_listitem_as_str(PyObject *py_obj, Py_ssize_t idx, char **outstr); | |
139 | SRD_PRIV int py_pydictitem_as_str(PyObject *py_obj, PyObject *py_key, char **outstr); | |
140 | SRD_PRIV int py_pydictitem_as_long(PyObject *py_obj, PyObject *py_key, int64_t *out); | |
141 | SRD_PRIV int py_str_as_str(PyObject *py_str, char **outstr); | |
142 | SRD_PRIV int py_strseq_to_char(PyObject *py_strseq, char ***out_strv); | |
143 | SRD_PRIV GVariant *py_obj_to_variant(PyObject *py_obj); | |
144 | ||
145 | /* exception.c */ | |
146 | #if defined(G_OS_WIN32) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) | |
147 | /* | |
148 | * On MinGW, we need to specify the gnu_printf format flavor or GCC | |
149 | * will assume non-standard Microsoft printf syntax. | |
150 | */ | |
151 | SRD_PRIV void srd_exception_catch(const char *format, ...) | |
152 | __attribute__((__format__ (__gnu_printf__, 1, 2))); | |
153 | #else | |
154 | SRD_PRIV void srd_exception_catch(const char *format, ...) G_GNUC_PRINTF(1, 2); | |
155 | #endif | |
156 | ||
157 | #endif |