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7c198f96 ML |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2015 Martin Lederhilger <martin.lederhilger@gmx.at> | |
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 | ||
b11afbb1 | 20 | #include <string.h> |
7c198f96 ML |
21 | #include "protocol.h" |
22 | ||
b11afbb1 ML |
23 | static const uint32_t scanopts[] = { |
24 | SR_CONF_CONN, | |
25 | SR_CONF_SERIALCOMM, | |
26 | }; | |
27 | ||
05199c0a | 28 | static const uint32_t drvopts[] = { |
b11afbb1 | 29 | SR_CONF_OSCILLOSCOPE, |
05199c0a UH |
30 | }; |
31 | ||
32 | static const uint32_t devopts[] = { | |
7c48d434 | 33 | SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET, |
b11afbb1 ML |
34 | SR_CONF_SAMPLERATE | SR_CONF_GET, |
35 | }; | |
36 | ||
dd5c48a6 | 37 | static struct sr_dev_driver gwinstek_gds_800_driver_info; |
7c198f96 | 38 | |
b11afbb1 | 39 | static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) |
7c198f96 | 40 | { |
b11afbb1 ML |
41 | struct dev_context *devc; |
42 | struct sr_dev_inst *sdi; | |
43 | struct sr_scpi_hw_info *hw_info; | |
44 | struct sr_channel_group *cg; | |
45 | ||
46 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
47 | sr_info("Couldn't get IDN response."); | |
48 | return NULL; | |
49 | } | |
7c198f96 | 50 | |
b11afbb1 ML |
51 | if (strcmp(hw_info->manufacturer, "GW") != 0 || |
52 | strncmp(hw_info->model, "GDS-8", 5) != 0) { | |
53 | sr_scpi_hw_info_free(hw_info); | |
54 | return NULL; | |
55 | } | |
7c198f96 | 56 | |
b11afbb1 | 57 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
b11afbb1 ML |
58 | sdi->vendor = g_strdup(hw_info->manufacturer); |
59 | sdi->model = g_strdup(hw_info->model); | |
60 | sdi->version = g_strdup(hw_info->firmware_version); | |
61 | sdi->conn = scpi; | |
62 | sdi->driver = &gwinstek_gds_800_driver_info; | |
63 | sdi->inst_type = SR_INST_SCPI; | |
64 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
65 | sdi->channels = NULL; | |
66 | sdi->channel_groups = NULL; | |
67 | ||
68 | sr_scpi_hw_info_free(hw_info); | |
69 | ||
70 | devc = g_malloc0(sizeof(struct dev_context)); | |
71 | devc->frame_limit = 1; | |
d9251a2c UH |
72 | devc->sample_rate = 0.0; |
73 | devc->df_started = FALSE; | |
b11afbb1 ML |
74 | sdi->priv = devc; |
75 | ||
76 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1"); | |
77 | sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "CH2"); | |
78 | ||
79 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
80 | cg->name = g_strdup(""); | |
81 | cg->channels = g_slist_append(cg->channels, g_slist_nth_data(sdi->channels, 0)); | |
82 | cg->channels = g_slist_append(cg->channels, g_slist_nth_data(sdi->channels, 1)); | |
83 | cg->priv = NULL; | |
84 | sdi->channel_groups = g_slist_append(NULL, cg); | |
85 | ||
86 | return sdi; | |
87 | } | |
7c198f96 | 88 | |
b11afbb1 ML |
89 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
90 | { | |
91 | return sr_scpi_scan(di->context, options, probe_device); | |
7c198f96 ML |
92 | } |
93 | ||
7c198f96 ML |
94 | static int dev_open(struct sr_dev_inst *sdi) |
95 | { | |
b11afbb1 ML |
96 | int ret; |
97 | struct sr_scpi_dev_inst *scpi = sdi->conn; | |
7c198f96 | 98 | |
b11afbb1 ML |
99 | if ((ret = sr_scpi_open(scpi)) < 0) { |
100 | sr_err("Failed to open SCPI device: %s.", sr_strerror(ret)); | |
101 | return SR_ERR; | |
102 | } | |
7c198f96 | 103 | |
7c198f96 ML |
104 | return SR_OK; |
105 | } | |
106 | ||
107 | static int dev_close(struct sr_dev_inst *sdi) | |
108 | { | |
b11afbb1 | 109 | struct sr_scpi_dev_inst *scpi; |
7c198f96 | 110 | |
b11afbb1 | 111 | scpi = sdi->conn; |
7c198f96 | 112 | |
f1ba6b4b UH |
113 | if (!scpi) |
114 | return SR_ERR_BUG; | |
115 | ||
116 | return sr_scpi_close(scpi); | |
7c198f96 ML |
117 | } |
118 | ||
dd7a72ea UH |
119 | static int config_get(uint32_t key, GVariant **data, |
120 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
7c198f96 | 121 | { |
b11afbb1 | 122 | struct dev_context *devc; |
7c198f96 | 123 | |
7c198f96 ML |
124 | (void)cg; |
125 | ||
709468ba | 126 | if (!sdi) |
b11afbb1 ML |
127 | return SR_ERR_ARG; |
128 | ||
709468ba UH |
129 | devc = sdi->priv; |
130 | ||
7c198f96 | 131 | switch (key) { |
b11afbb1 ML |
132 | case SR_CONF_SAMPLERATE: |
133 | *data = g_variant_new_uint64(devc->sample_rate); | |
134 | break; | |
7c48d434 VO |
135 | case SR_CONF_LIMIT_FRAMES: |
136 | *data = g_variant_new_uint64(devc->frame_limit); | |
137 | break; | |
7c198f96 ML |
138 | default: |
139 | return SR_ERR_NA; | |
140 | } | |
141 | ||
b11afbb1 | 142 | return SR_OK; |
7c198f96 ML |
143 | } |
144 | ||
dd7a72ea UH |
145 | static int config_set(uint32_t key, GVariant *data, |
146 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
7c198f96 | 147 | { |
b11afbb1 | 148 | struct dev_context *devc; |
7c198f96 | 149 | |
7c198f96 ML |
150 | (void)cg; |
151 | ||
b0baddef | 152 | if (!sdi) |
b11afbb1 ML |
153 | return SR_ERR_ARG; |
154 | ||
b0baddef UH |
155 | devc = sdi->priv; |
156 | ||
7c198f96 | 157 | switch (key) { |
b11afbb1 ML |
158 | case SR_CONF_LIMIT_FRAMES: |
159 | devc->frame_limit = g_variant_get_uint64(data); | |
160 | break; | |
7c198f96 | 161 | default: |
b11afbb1 | 162 | return SR_ERR_NA; |
7c198f96 ML |
163 | } |
164 | ||
b11afbb1 | 165 | return SR_OK; |
7c198f96 ML |
166 | } |
167 | ||
dd7a72ea UH |
168 | static int config_list(uint32_t key, GVariant **data, |
169 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
7c198f96 | 170 | { |
05199c0a | 171 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
7c198f96 ML |
172 | } |
173 | ||
695dc859 | 174 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
7c198f96 | 175 | { |
b11afbb1 ML |
176 | struct sr_scpi_dev_inst *scpi; |
177 | struct dev_context *devc; | |
178 | ||
b11afbb1 ML |
179 | scpi = sdi->conn; |
180 | devc = sdi->priv; | |
181 | ||
b11afbb1 ML |
182 | devc->state = START_ACQUISITION; |
183 | devc->cur_acq_frame = 0; | |
184 | ||
185 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, | |
186 | gwinstek_gds_800_receive_data, (void *)sdi); | |
7c198f96 ML |
187 | |
188 | return SR_OK; | |
189 | } | |
190 | ||
695dc859 | 191 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
7c198f96 | 192 | { |
b11afbb1 ML |
193 | struct sr_scpi_dev_inst *scpi; |
194 | struct dev_context *devc; | |
b11afbb1 | 195 | |
b11afbb1 ML |
196 | scpi = sdi->conn; |
197 | devc = sdi->priv; | |
198 | ||
b11afbb1 | 199 | if (devc->df_started) { |
4c5f7006 | 200 | std_session_send_df_frame_end(sdi); |
bee2b016 | 201 | std_session_send_df_end(sdi); |
b11afbb1 ML |
202 | devc->df_started = FALSE; |
203 | } | |
7c198f96 | 204 | |
b11afbb1 | 205 | sr_scpi_source_remove(sdi->session, scpi); |
7c198f96 ML |
206 | |
207 | return SR_OK; | |
208 | } | |
209 | ||
dd5c48a6 | 210 | static struct sr_dev_driver gwinstek_gds_800_driver_info = { |
7c198f96 | 211 | .name = "gwinstek-gds-800", |
b11afbb1 | 212 | .longname = "GW Instek GDS-800 series", |
7c198f96 | 213 | .api_version = 1, |
c2fdcc25 | 214 | .init = std_init, |
700d6b64 | 215 | .cleanup = std_cleanup, |
7c198f96 | 216 | .scan = scan, |
c01bf34c | 217 | .dev_list = std_dev_list, |
f778bf02 | 218 | .dev_clear = std_dev_clear, |
7c198f96 ML |
219 | .config_get = config_get, |
220 | .config_set = config_set, | |
221 | .config_list = config_list, | |
222 | .dev_open = dev_open, | |
223 | .dev_close = dev_close, | |
224 | .dev_acquisition_start = dev_acquisition_start, | |
225 | .dev_acquisition_stop = dev_acquisition_stop, | |
226 | .context = NULL, | |
227 | }; | |
dd5c48a6 | 228 | SR_REGISTER_DEV_DRIVER(gwinstek_gds_800_driver_info); |