libsigrok  0.2.0
sigrok hardware access and backend library
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proto.h
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1 /*
2  * This file is part of the libsigrok project.
3  *
4  * Copyright (C) 2013 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 #ifndef LIBSIGROK_SIGROK_PROTO_H
21 #define LIBSIGROK_SIGROK_PROTO_H
22 
23 /**
24  * @file
25  *
26  * Header file containing API function prototypes.
27  */
28 
29 /*--- backend.c -------------------------------------------------------------*/
30 
31 SR_API int sr_init(struct sr_context **ctx);
32 SR_API int sr_exit(struct sr_context *ctx);
33 
34 /*--- log.c -----------------------------------------------------------------*/
35 
36 typedef int (*sr_log_callback_t)(void *cb_data, int loglevel,
37  const char *format, va_list args);
38 
39 SR_API int sr_log_loglevel_set(int loglevel);
40 SR_API int sr_log_loglevel_get(void);
41 SR_API int sr_log_callback_set(sr_log_callback_t cb, void *cb_data);
43 SR_API int sr_log_logdomain_set(const char *logdomain);
44 SR_API char *sr_log_logdomain_get(void);
45 
46 /*--- device.c --------------------------------------------------------------*/
47 
48 SR_API int sr_dev_probe_name_set(const struct sr_dev_inst *sdi,
49  int probenum, const char *name);
50 SR_API int sr_dev_probe_enable(const struct sr_dev_inst *sdi, int probenum,
51  gboolean state);
52 SR_API int sr_dev_trigger_set(const struct sr_dev_inst *sdi, int probenum,
53  const char *trigger);
54 SR_API gboolean sr_dev_has_option(const struct sr_dev_inst *sdi, int key);
55 SR_API GSList *sr_dev_list(const struct sr_dev_driver *driver);
56 SR_API int sr_dev_clear(const struct sr_dev_driver *driver);
57 SR_API int sr_dev_open(struct sr_dev_inst *sdi);
58 SR_API int sr_dev_close(struct sr_dev_inst *sdi);
59 
60 /*--- filter.c --------------------------------------------------------------*/
61 
62 SR_API int sr_filter_probes(unsigned int in_unitsize, unsigned int out_unitsize,
63  const GArray *probe_array, const uint8_t *data_in,
64  uint64_t length_in, uint8_t **data_out,
65  uint64_t *length_out);
66 
67 /*--- hwdriver.c ------------------------------------------------------------*/
68 
69 SR_API struct sr_dev_driver **sr_driver_list(void);
70 SR_API int sr_driver_init(struct sr_context *ctx,
71  struct sr_dev_driver *driver);
72 SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options);
73 SR_API int sr_config_get(const struct sr_dev_driver *driver, int key,
74  GVariant **data, const struct sr_dev_inst *sdi);
75 SR_API int sr_config_set(const struct sr_dev_inst *sdi, int key,
76  GVariant *data);
77 SR_API int sr_config_list(const struct sr_dev_driver *driver, int key,
78  GVariant **data, const struct sr_dev_inst *sdi);
79 SR_API const struct sr_config_info *sr_config_info_get(int key);
80 SR_API const struct sr_config_info *sr_config_info_name_get(const char *optname);
81 
82 /*--- session.c -------------------------------------------------------------*/
83 
84 typedef void (*sr_datafeed_callback_t)(const struct sr_dev_inst *sdi,
85  const struct sr_datafeed_packet *packet, void *cb_data);
86 
87 /* Session setup */
88 SR_API int sr_session_load(const char *filename);
89 SR_API struct sr_session *sr_session_new(void);
90 SR_API int sr_session_destroy(void);
92 SR_API int sr_session_dev_add(const struct sr_dev_inst *sdi);
93 
94 /* Datafeed setup */
97  void *cb_data);
98 
99 /* Session control */
100 SR_API int sr_session_start(void);
101 SR_API int sr_session_run(void);
102 SR_API int sr_session_stop(void);
103 SR_API int sr_session_save(const char *filename, const struct sr_dev_inst *sdi,
104  unsigned char *buf, int unitsize, int units);
105 SR_API int sr_session_source_add(int fd, int events, int timeout,
106  sr_receive_data_callback_t cb, void *cb_data);
107 SR_API int sr_session_source_add_pollfd(GPollFD *pollfd, int timeout,
108  sr_receive_data_callback_t cb, void *cb_data);
109 SR_API int sr_session_source_add_channel(GIOChannel *channel, int events,
110  int timeout, sr_receive_data_callback_t cb, void *cb_data);
111 SR_API int sr_session_source_remove(int fd);
112 SR_API int sr_session_source_remove_pollfd(GPollFD *pollfd);
113 SR_API int sr_session_source_remove_channel(GIOChannel *channel);
114 
115 /*--- input/input.c ---------------------------------------------------------*/
116 
117 SR_API struct sr_input_format **sr_input_list(void);
118 
119 /*--- output/output.c -------------------------------------------------------*/
120 
121 SR_API struct sr_output_format **sr_output_list(void);
122 
123 /*--- strutil.c -------------------------------------------------------------*/
124 
125 SR_API char *sr_si_string_u64(uint64_t x, const char *unit);
126 SR_API char *sr_samplerate_string(uint64_t samplerate);
127 SR_API char *sr_period_string(uint64_t frequency);
128 SR_API char *sr_voltage_string(uint64_t v_p, uint64_t v_q);
129 SR_API char **sr_parse_triggerstring(const struct sr_dev_inst *sdi,
130  const char *triggerstring);
131 SR_API int sr_parse_sizestring(const char *sizestring, uint64_t *size);
132 SR_API uint64_t sr_parse_timestring(const char *timestring);
133 SR_API gboolean sr_parse_boolstring(const char *boolstring);
134 SR_API int sr_parse_period(const char *periodstr, uint64_t *p, uint64_t *q);
135 SR_API int sr_parse_voltage(const char *voltstr, uint64_t *p, uint64_t *q);
136 
137 /*--- version.c -------------------------------------------------------------*/
138 
142 SR_API const char *sr_package_version_string_get(void);
143 
147 SR_API const char *sr_lib_version_string_get(void);
148 
149 /*--- error.c ---------------------------------------------------------------*/
150 
151 SR_API const char *sr_strerror(int error_code);
152 SR_API const char *sr_strerror_name(int error_code);
153 
154 #endif