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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de> | |
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 2 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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | #include "libsigrok.h" | |
24 | #include "libsigrok-internal.h" | |
25 | #include "protocol.h" | |
26 | ||
27 | #define UNI_T_UT_D04_NEW "1a86.e008" | |
28 | ||
29 | static const int32_t hwopts[] = { | |
30 | SR_CONF_CONN, | |
31 | }; | |
32 | ||
33 | static const int32_t hwcaps[] = { | |
34 | SR_CONF_MULTIMETER, | |
35 | SR_CONF_LIMIT_SAMPLES, | |
36 | SR_CONF_LIMIT_MSEC, | |
37 | SR_CONF_CONTINUOUS, | |
38 | }; | |
39 | ||
40 | SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info; | |
41 | SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info; | |
42 | ||
43 | SR_PRIV struct dmm_info udmms[] = { | |
44 | { | |
45 | "UNI-T", "UT61D", 19230, | |
46 | FS9922_PACKET_SIZE, NULL, | |
47 | sr_fs9922_packet_valid, sr_fs9922_parse, | |
48 | NULL, | |
49 | &uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D, | |
50 | }, | |
51 | { | |
52 | "Voltcraft", "VC-820", 2400, | |
53 | FS9721_PACKET_SIZE, NULL, | |
54 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
55 | NULL, | |
56 | &voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820, | |
57 | }, | |
58 | }; | |
59 | ||
60 | static int clear_instances(int dmm) | |
61 | { | |
62 | (void)dmm; | |
63 | ||
64 | /* TODO: Use common code later. */ | |
65 | ||
66 | return SR_OK; | |
67 | } | |
68 | ||
69 | static int hw_init(struct sr_context *sr_ctx, int dmm) | |
70 | { | |
71 | sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name); | |
72 | ||
73 | return std_hw_init(sr_ctx, udmms[dmm].di, DRIVER_LOG_DOMAIN); | |
74 | } | |
75 | ||
76 | static GSList *hw_scan(GSList *options, int dmm) | |
77 | { | |
78 | GSList *usb_devices, *devices, *l; | |
79 | struct sr_dev_inst *sdi; | |
80 | struct dev_context *devc; | |
81 | struct drv_context *drvc; | |
82 | struct sr_usb_dev_inst *usb; | |
83 | struct sr_config *src; | |
84 | struct sr_probe *probe; | |
85 | const char *conn; | |
86 | ||
87 | drvc = udmms[dmm].di->priv; | |
88 | ||
89 | conn = NULL; | |
90 | for (l = options; l; l = l->next) { | |
91 | src = l->data; | |
92 | switch (src->key) { | |
93 | case SR_CONF_CONN: | |
94 | conn = g_variant_get_string(src->data, NULL); | |
95 | break; | |
96 | } | |
97 | } | |
98 | if (!conn) | |
99 | conn = UNI_T_UT_D04_NEW; | |
100 | ||
101 | devices = NULL; | |
102 | if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) { | |
103 | g_slist_free_full(usb_devices, g_free); | |
104 | return NULL; | |
105 | } | |
106 | ||
107 | for (l = usb_devices; l; l = l->next) { | |
108 | usb = l->data; | |
109 | ||
110 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
111 | sr_err("Device context malloc failed."); | |
112 | return NULL; | |
113 | } | |
114 | ||
115 | devc->first_run = TRUE; | |
116 | ||
117 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, | |
118 | udmms[dmm].vendor, udmms[dmm].device, NULL))) { | |
119 | sr_err("sr_dev_inst_new returned NULL."); | |
120 | return NULL; | |
121 | } | |
122 | sdi->priv = devc; | |
123 | sdi->driver = udmms[dmm].di; | |
124 | if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1"))) | |
125 | return NULL; | |
126 | sdi->probes = g_slist_append(sdi->probes, probe); | |
127 | ||
128 | sdi->inst_type = SR_INST_USB; | |
129 | sdi->conn = usb; | |
130 | ||
131 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
132 | devices = g_slist_append(devices, sdi); | |
133 | } | |
134 | ||
135 | return devices; | |
136 | } | |
137 | ||
138 | static GSList *hw_dev_list(int dmm) | |
139 | { | |
140 | return ((struct drv_context *)(udmms[dmm].di->priv))->instances; | |
141 | } | |
142 | ||
143 | static int hw_dev_open(struct sr_dev_inst *sdi, int dmm) | |
144 | { | |
145 | struct drv_context *drvc; | |
146 | struct sr_usb_dev_inst *usb; | |
147 | int ret; | |
148 | ||
149 | drvc = udmms[dmm].di->priv; | |
150 | usb = sdi->conn; | |
151 | ||
152 | if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK) | |
153 | sdi->status = SR_ST_ACTIVE; | |
154 | ||
155 | return ret; | |
156 | } | |
157 | ||
158 | static int hw_dev_close(struct sr_dev_inst *sdi) | |
159 | { | |
160 | (void)sdi; | |
161 | ||
162 | /* TODO */ | |
163 | ||
164 | sdi->status = SR_ST_INACTIVE; | |
165 | ||
166 | return SR_OK; | |
167 | } | |
168 | ||
169 | static int hw_cleanup(int dmm) | |
170 | { | |
171 | clear_instances(dmm); | |
172 | ||
173 | return SR_OK; | |
174 | } | |
175 | ||
176 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) | |
177 | { | |
178 | struct dev_context *devc; | |
179 | ||
180 | devc = sdi->priv; | |
181 | ||
182 | switch (id) { | |
183 | case SR_CONF_LIMIT_MSEC: | |
184 | /* TODO: Not yet implemented. */ | |
185 | if (g_variant_get_uint64(data) == 0) { | |
186 | sr_err("Time limit cannot be 0."); | |
187 | return SR_ERR; | |
188 | } | |
189 | devc->limit_msec = g_variant_get_uint64(data); | |
190 | sr_dbg("Setting time limit to %" PRIu64 "ms.", | |
191 | devc->limit_msec); | |
192 | break; | |
193 | case SR_CONF_LIMIT_SAMPLES: | |
194 | if (g_variant_get_uint64(data) == 0) { | |
195 | sr_err("Sample limit cannot be 0."); | |
196 | return SR_ERR; | |
197 | } | |
198 | devc->limit_samples = g_variant_get_uint64(data); | |
199 | sr_dbg("Setting sample limit to %" PRIu64 ".", | |
200 | devc->limit_samples); | |
201 | break; | |
202 | default: | |
203 | return SR_ERR_NA; | |
204 | } | |
205 | ||
206 | return SR_OK; | |
207 | } | |
208 | ||
209 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) | |
210 | { | |
211 | (void)sdi; | |
212 | ||
213 | switch (key) { | |
214 | case SR_CONF_SCAN_OPTIONS: | |
215 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
216 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
217 | break; | |
218 | case SR_CONF_DEVICE_OPTIONS: | |
219 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
220 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
221 | break; | |
222 | default: | |
223 | return SR_ERR_NA; | |
224 | } | |
225 | ||
226 | return SR_OK; | |
227 | } | |
228 | ||
229 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, | |
230 | void *cb_data, int dmm) | |
231 | { | |
232 | struct dev_context *devc; | |
233 | ||
234 | devc = sdi->priv; | |
235 | ||
236 | devc->cb_data = cb_data; | |
237 | ||
238 | /* Send header packet to the session bus. */ | |
239 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); | |
240 | ||
241 | sr_source_add(0, 0, 10 /* poll_timeout */, | |
242 | udmms[dmm].receive_data, (void *)sdi); | |
243 | ||
244 | return SR_OK; | |
245 | } | |
246 | ||
247 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
248 | { | |
249 | struct sr_datafeed_packet packet; | |
250 | ||
251 | (void)sdi; | |
252 | ||
253 | sr_dbg("Stopping acquisition."); | |
254 | ||
255 | /* Send end packet to the session bus. */ | |
256 | sr_dbg("Sending SR_DF_END."); | |
257 | packet.type = SR_DF_END; | |
258 | sr_session_send(cb_data, &packet); | |
259 | ||
260 | /* TODO? */ | |
261 | sr_source_remove(0); | |
262 | ||
263 | return SR_OK; | |
264 | } | |
265 | ||
266 | /* Driver-specific API function wrappers */ | |
267 | #define HW_INIT(X) \ | |
268 | static int hw_init_##X(struct sr_context *sr_ctx) { return hw_init(sr_ctx, X); } | |
269 | #define HW_CLEANUP(X) \ | |
270 | static int hw_cleanup_##X(void) { return hw_cleanup(X); } | |
271 | #define HW_SCAN(X) \ | |
272 | static GSList *hw_scan_##X(GSList *options) { return hw_scan(options, X); } | |
273 | #define HW_DEV_LIST(X) \ | |
274 | static GSList *hw_dev_list_##X(void) { return hw_dev_list(X); } | |
275 | #define CLEAR_INSTANCES(X) \ | |
276 | static int clear_instances_##X(void) { return clear_instances(X); } | |
277 | #define HW_DEV_ACQUISITION_START(X) \ | |
278 | static int hw_dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \ | |
279 | void *cb_data) { return hw_dev_acquisition_start(sdi, cb_data, X); } | |
280 | #define HW_DEV_OPEN(X) \ | |
281 | static int hw_dev_open_##X(struct sr_dev_inst *sdi) { return hw_dev_open(sdi, X); } | |
282 | ||
283 | /* Driver structs and API function wrappers */ | |
284 | #define DRV(ID, ID_UPPER, NAME, LONGNAME) \ | |
285 | HW_INIT(ID_UPPER) \ | |
286 | HW_CLEANUP(ID_UPPER) \ | |
287 | HW_SCAN(ID_UPPER) \ | |
288 | HW_DEV_LIST(ID_UPPER) \ | |
289 | CLEAR_INSTANCES(ID_UPPER) \ | |
290 | HW_DEV_ACQUISITION_START(ID_UPPER) \ | |
291 | HW_DEV_OPEN(ID_UPPER) \ | |
292 | SR_PRIV struct sr_dev_driver ID##_driver_info = { \ | |
293 | .name = NAME, \ | |
294 | .longname = LONGNAME, \ | |
295 | .api_version = 1, \ | |
296 | .init = hw_init_##ID_UPPER, \ | |
297 | .cleanup = hw_cleanup_##ID_UPPER, \ | |
298 | .scan = hw_scan_##ID_UPPER, \ | |
299 | .dev_list = hw_dev_list_##ID_UPPER, \ | |
300 | .dev_clear = clear_instances_##ID_UPPER, \ | |
301 | .config_get = NULL, \ | |
302 | .config_set = config_set, \ | |
303 | .config_list = config_list, \ | |
304 | .dev_open = hw_dev_open_##ID_UPPER, \ | |
305 | .dev_close = hw_dev_close, \ | |
306 | .dev_acquisition_start = hw_dev_acquisition_start_##ID_UPPER, \ | |
307 | .dev_acquisition_stop = hw_dev_acquisition_stop, \ | |
308 | .priv = NULL, \ | |
309 | }; | |
310 | ||
311 | DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D") | |
312 | DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820") |