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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2015 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_SCPI_H | |
21 | #define LIBSIGROK_SCPI_H | |
22 | ||
23 | #include <stdint.h> | |
24 | #include <glib.h> | |
25 | #include <libsigrok/libsigrok.h> | |
26 | #include "libsigrok-internal.h" | |
27 | ||
28 | #define SCPI_CMD_IDN "*IDN?" | |
29 | #define SCPI_CMD_OPC "*OPC?" | |
30 | ||
31 | enum { | |
32 | SCPI_CMD_GET_TIMEBASE = 1, | |
33 | SCPI_CMD_SET_TIMEBASE, | |
34 | SCPI_CMD_GET_HORIZONTAL_DIV, | |
35 | SCPI_CMD_GET_VERTICAL_SCALE, | |
36 | SCPI_CMD_SET_VERTICAL_SCALE, | |
37 | SCPI_CMD_GET_TRIGGER_SOURCE, | |
38 | SCPI_CMD_SET_TRIGGER_SOURCE, | |
39 | SCPI_CMD_GET_TRIGGER_SLOPE, | |
40 | SCPI_CMD_SET_TRIGGER_SLOPE, | |
41 | SCPI_CMD_GET_TRIGGER_PATTERN, | |
42 | SCPI_CMD_SET_TRIGGER_PATTERN, | |
43 | SCPI_CMD_GET_HIGH_RESOLUTION, | |
44 | SCPI_CMD_SET_HIGH_RESOLUTION, | |
45 | SCPI_CMD_GET_PEAK_DETECTION, | |
46 | SCPI_CMD_SET_PEAK_DETECTION, | |
47 | SCPI_CMD_GET_COUPLING, | |
48 | SCPI_CMD_SET_COUPLING, | |
49 | SCPI_CMD_GET_HORIZ_TRIGGERPOS, | |
50 | SCPI_CMD_SET_HORIZ_TRIGGERPOS, | |
51 | SCPI_CMD_GET_ANALOG_CHAN_STATE, | |
52 | SCPI_CMD_SET_ANALOG_CHAN_STATE, | |
53 | SCPI_CMD_GET_DIG_CHAN_STATE, | |
54 | SCPI_CMD_SET_DIG_CHAN_STATE, | |
55 | SCPI_CMD_GET_VERTICAL_OFFSET, | |
56 | SCPI_CMD_GET_DIG_POD_STATE, | |
57 | SCPI_CMD_SET_DIG_POD_STATE, | |
58 | SCPI_CMD_GET_ANALOG_DATA, | |
59 | SCPI_CMD_GET_DIG_DATA, | |
60 | SCPI_CMD_GET_SAMPLE_RATE, | |
61 | SCPI_CMD_GET_PROBE_UNIT, | |
62 | SCPI_CMD_GET_DIG_POD_THRESHOLD, | |
63 | SCPI_CMD_SET_DIG_POD_THRESHOLD, | |
64 | SCPI_CMD_GET_DIG_POD_USER_THRESHOLD, | |
65 | SCPI_CMD_SET_DIG_POD_USER_THRESHOLD, | |
66 | }; | |
67 | ||
68 | enum scpi_transport_layer { | |
69 | SCPI_TRANSPORT_LIBGPIB, | |
70 | SCPI_TRANSPORT_SERIAL, | |
71 | SCPI_TRANSPORT_RAW_TCP, | |
72 | SCPI_TRANSPORT_RIGOL_TCP, | |
73 | SCPI_TRANSPORT_USBTMC, | |
74 | SCPI_TRANSPORT_VISA, | |
75 | SCPI_TRANSPORT_VXI, | |
76 | }; | |
77 | ||
78 | struct scpi_command { | |
79 | int command; | |
80 | const char *string; | |
81 | }; | |
82 | ||
83 | struct sr_scpi_hw_info { | |
84 | char *manufacturer; | |
85 | char *model; | |
86 | char *serial_number; | |
87 | char *firmware_version; | |
88 | }; | |
89 | ||
90 | struct sr_scpi_dev_inst { | |
91 | const char *name; | |
92 | const char *prefix; | |
93 | enum scpi_transport_layer transport; | |
94 | int priv_size; | |
95 | GSList *(*scan)(struct drv_context *drvc); | |
96 | int (*dev_inst_new)(void *priv, struct drv_context *drvc, | |
97 | const char *resource, char **params, const char *serialcomm); | |
98 | int (*open)(struct sr_scpi_dev_inst *scpi); | |
99 | int (*connection_id)(struct sr_scpi_dev_inst *scpi, char **connection_id); | |
100 | int (*source_add)(struct sr_session *session, void *priv, int events, | |
101 | int timeout, sr_receive_data_callback cb, void *cb_data); | |
102 | int (*source_remove)(struct sr_session *session, void *priv); | |
103 | int (*send)(void *priv, const char *command); | |
104 | int (*read_begin)(void *priv); | |
105 | int (*read_data)(void *priv, char *buf, int maxlen); | |
106 | int (*write_data)(void *priv, char *buf, int len); | |
107 | int (*read_complete)(void *priv); | |
108 | int (*close)(struct sr_scpi_dev_inst *scpi); | |
109 | void (*free)(void *priv); | |
110 | unsigned int read_timeout_us; | |
111 | void *priv; | |
112 | /* Only used for quirk workarounds, notably the Rigol DS1000 series. */ | |
113 | uint64_t firmware_version; | |
114 | GMutex scpi_mutex; | |
115 | char *actual_channel_name; | |
116 | gboolean no_opc_command; | |
117 | }; | |
118 | ||
119 | SR_PRIV GSList *sr_scpi_scan(struct drv_context *drvc, GSList *options, | |
120 | struct sr_dev_inst *(*probe_device)(struct sr_scpi_dev_inst *scpi)); | |
121 | SR_PRIV struct sr_scpi_dev_inst *scpi_dev_inst_new(struct drv_context *drvc, | |
122 | const char *resource, const char *serialcomm); | |
123 | SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi); | |
124 | SR_PRIV int sr_scpi_connection_id(struct sr_scpi_dev_inst *scpi, | |
125 | char **connection_id); | |
126 | SR_PRIV int sr_scpi_source_add(struct sr_session *session, | |
127 | struct sr_scpi_dev_inst *scpi, int events, int timeout, | |
128 | sr_receive_data_callback cb, void *cb_data); | |
129 | SR_PRIV int sr_scpi_source_remove(struct sr_session *session, | |
130 | struct sr_scpi_dev_inst *scpi); | |
131 | SR_PRIV int sr_scpi_send(struct sr_scpi_dev_inst *scpi, | |
132 | const char *format, ...); | |
133 | SR_PRIV int sr_scpi_send_variadic(struct sr_scpi_dev_inst *scpi, | |
134 | const char *format, va_list args); | |
135 | SR_PRIV int sr_scpi_read_begin(struct sr_scpi_dev_inst *scpi); | |
136 | SR_PRIV int sr_scpi_read_data(struct sr_scpi_dev_inst *scpi, char *buf, int maxlen); | |
137 | SR_PRIV int sr_scpi_write_data(struct sr_scpi_dev_inst *scpi, char *buf, int len); | |
138 | SR_PRIV int sr_scpi_read_complete(struct sr_scpi_dev_inst *scpi); | |
139 | SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi); | |
140 | SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi); | |
141 | ||
142 | SR_PRIV int sr_scpi_read_response(struct sr_scpi_dev_inst *scpi, | |
143 | GString *response, gint64 abs_timeout_us); | |
144 | SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi, | |
145 | const char *command, char **scpi_response); | |
146 | SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi, | |
147 | const char *command, gboolean *scpi_response); | |
148 | SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi, | |
149 | const char *command, int *scpi_response); | |
150 | SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi, | |
151 | const char *command, float *scpi_response); | |
152 | SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi, | |
153 | const char *command, double *scpi_response); | |
154 | SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi); | |
155 | SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi, | |
156 | const char *command, GArray **scpi_response); | |
157 | SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi, | |
158 | const char *command, GArray **scpi_response); | |
159 | SR_PRIV int sr_scpi_get_data(struct sr_scpi_dev_inst *scpi, | |
160 | const char *command, GString **scpi_response); | |
161 | SR_PRIV int sr_scpi_get_block(struct sr_scpi_dev_inst *scpi, | |
162 | const char *command, GByteArray **scpi_response); | |
163 | SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi, | |
164 | struct sr_scpi_hw_info **scpi_response); | |
165 | SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info); | |
166 | ||
167 | SR_PRIV const char *sr_scpi_unquote_string(char *s); | |
168 | ||
169 | SR_PRIV const char *sr_vendor_alias(const char *raw_vendor); | |
170 | SR_PRIV const char *sr_scpi_cmd_get(const struct scpi_command *cmdtable, | |
171 | int command); | |
172 | SR_PRIV int sr_scpi_cmd(const struct sr_dev_inst *sdi, | |
173 | const struct scpi_command *cmdtable, | |
174 | int channel_command, const char *channel_name, | |
175 | int command, ...); | |
176 | SR_PRIV int sr_scpi_cmd_resp(const struct sr_dev_inst *sdi, | |
177 | const struct scpi_command *cmdtable, | |
178 | int channel_command, const char *channel_name, | |
179 | GVariant **gvar, const GVariantType *gvtype, int command, ...); | |
180 | ||
181 | /*--- GPIB only functions ---------------------------------------------------*/ | |
182 | ||
183 | #ifdef HAVE_LIBGPIB | |
184 | SR_PRIV int sr_scpi_gpib_spoll(struct sr_scpi_dev_inst *scpi, char *buf); | |
185 | #endif | |
186 | ||
187 | #endif |