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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
29static const int32_t hwopts[] = {
30 SR_CONF_CONN,
31};
32
33static const int32_t hwcaps[] = {
34 SR_CONF_MULTIMETER,
35 SR_CONF_LIMIT_SAMPLES,
36 SR_CONF_LIMIT_MSEC,
37 SR_CONF_CONTINUOUS,
38};
39
40SR_PRIV struct sr_dev_driver tecpel_dmm_8061_driver_info;
41SR_PRIV struct sr_dev_driver uni_t_ut60a_driver_info;
42SR_PRIV struct sr_dev_driver uni_t_ut60e_driver_info;
43SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
44SR_PRIV struct sr_dev_driver uni_t_ut61e_driver_info;
45SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
46SR_PRIV struct sr_dev_driver voltcraft_vc830_driver_info;
47SR_PRIV struct sr_dev_driver voltcraft_vc840_driver_info;
48
49SR_PRIV struct dmm_info udmms[] = {
50 {
51 "Tecpel", "DMM-8061", 2400,
52 FS9721_PACKET_SIZE, NULL,
53 sr_fs9721_packet_valid, sr_fs9721_parse,
54 sr_fs9721_00_temp_c,
55 &tecpel_dmm_8061_driver_info, receive_data_TECPEL_DMM_8061,
56 },
57 {
58 "UNI-T", "UT60A", 2400,
59 FS9721_PACKET_SIZE, NULL,
60 sr_fs9721_packet_valid, sr_fs9721_parse,
61 NULL,
62 &uni_t_ut60a_driver_info, receive_data_UNI_T_UT60A,
63 },
64 {
65 "UNI-T", "UT60E", 2400,
66 FS9721_PACKET_SIZE, NULL,
67 sr_fs9721_packet_valid, sr_fs9721_parse,
68 sr_fs9721_00_temp_c,
69 &uni_t_ut60e_driver_info, receive_data_UNI_T_UT60E,
70 },
71 {
72 "UNI-T", "UT61D", 2400,
73 FS9922_PACKET_SIZE, NULL,
74 sr_fs9922_packet_valid, sr_fs9922_parse,
75 NULL,
76 &uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D,
77 },
78 {
79 "UNI-T", "UT61E", 19230,
80 ES51922_PACKET_SIZE, NULL,
81 sr_es51922_packet_valid, sr_es51922_parse,
82 NULL,
83 &uni_t_ut61e_driver_info, receive_data_UNI_T_UT61E,
84 },
85 {
86 "Voltcraft", "VC-820", 2400,
87 FS9721_PACKET_SIZE, NULL,
88 sr_fs9721_packet_valid, sr_fs9721_parse,
89 NULL,
90 &voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820,
91 },
92 {
93 "Voltcraft", "VC-830", 2400,
94 FS9922_PACKET_SIZE, NULL,
95 sr_fs9922_packet_valid, sr_fs9922_parse,
96 NULL,
97 &voltcraft_vc830_driver_info, receive_data_VOLTCRAFT_VC830,
98 },
99 {
100 "Voltcraft", "VC-840", 2400,
101 FS9721_PACKET_SIZE, NULL,
102 sr_fs9721_packet_valid, sr_fs9721_parse,
103 sr_fs9721_00_temp_c,
104 &voltcraft_vc840_driver_info, receive_data_VOLTCRAFT_VC840,
105 },
106};
107
108static int dev_clear(int dmm)
109{
110 return std_dev_clear(udmms[dmm].di, NULL);
111}
112
113static int init(struct sr_context *sr_ctx, int dmm)
114{
115 sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name);
116
117 return std_init(sr_ctx, udmms[dmm].di, LOG_PREFIX);
118}
119
120static GSList *scan(GSList *options, int dmm)
121{
122 GSList *usb_devices, *devices, *l;
123 struct sr_dev_inst *sdi;
124 struct dev_context *devc;
125 struct drv_context *drvc;
126 struct sr_usb_dev_inst *usb;
127 struct sr_config *src;
128 struct sr_probe *probe;
129 const char *conn;
130
131 drvc = udmms[dmm].di->priv;
132
133 conn = NULL;
134 for (l = options; l; l = l->next) {
135 src = l->data;
136 switch (src->key) {
137 case SR_CONF_CONN:
138 conn = g_variant_get_string(src->data, NULL);
139 break;
140 }
141 }
142 if (!conn)
143 conn = UNI_T_UT_D04_NEW;
144
145 devices = NULL;
146 if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
147 g_slist_free_full(usb_devices, g_free);
148 return NULL;
149 }
150
151 for (l = usb_devices; l; l = l->next) {
152 usb = l->data;
153
154 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
155 sr_err("Device context malloc failed.");
156 return NULL;
157 }
158
159 devc->first_run = TRUE;
160
161 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
162 udmms[dmm].vendor, udmms[dmm].device, NULL))) {
163 sr_err("sr_dev_inst_new returned NULL.");
164 return NULL;
165 }
166 sdi->priv = devc;
167 sdi->driver = udmms[dmm].di;
168 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
169 return NULL;
170 sdi->probes = g_slist_append(sdi->probes, probe);
171
172 sdi->inst_type = SR_INST_USB;
173 sdi->conn = usb;
174
175 drvc->instances = g_slist_append(drvc->instances, sdi);
176 devices = g_slist_append(devices, sdi);
177 }
178
179 return devices;
180}
181
182static GSList *dev_list(int dmm)
183{
184 return ((struct drv_context *)(udmms[dmm].di->priv))->instances;
185}
186
187static int dev_open(struct sr_dev_inst *sdi, int dmm)
188{
189 struct drv_context *drvc;
190 struct sr_usb_dev_inst *usb;
191 int ret;
192
193 drvc = udmms[dmm].di->priv;
194 usb = sdi->conn;
195
196 if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK)
197 sdi->status = SR_ST_ACTIVE;
198
199 return ret;
200}
201
202static int dev_close(struct sr_dev_inst *sdi)
203{
204 (void)sdi;
205
206 /* TODO */
207
208 sdi->status = SR_ST_INACTIVE;
209
210 return SR_OK;
211}
212
213static int cleanup(int dmm)
214{
215 return dev_clear(dmm);
216}
217
218static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
219{
220 struct dev_context *devc;
221
222 devc = sdi->priv;
223
224 switch (id) {
225 case SR_CONF_LIMIT_MSEC:
226 if (g_variant_get_uint64(data) == 0) {
227 sr_err("Time limit cannot be 0.");
228 return SR_ERR;
229 }
230 devc->limit_msec = g_variant_get_uint64(data);
231 sr_dbg("Setting time limit to %" PRIu64 "ms.",
232 devc->limit_msec);
233 break;
234 case SR_CONF_LIMIT_SAMPLES:
235 if (g_variant_get_uint64(data) == 0) {
236 sr_err("Sample limit cannot be 0.");
237 return SR_ERR;
238 }
239 devc->limit_samples = g_variant_get_uint64(data);
240 sr_dbg("Setting sample limit to %" PRIu64 ".",
241 devc->limit_samples);
242 break;
243 default:
244 return SR_ERR_NA;
245 }
246
247 return SR_OK;
248}
249
250static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
251{
252 (void)sdi;
253
254 switch (key) {
255 case SR_CONF_SCAN_OPTIONS:
256 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
257 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
258 break;
259 case SR_CONF_DEVICE_OPTIONS:
260 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
261 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
262 break;
263 default:
264 return SR_ERR_NA;
265 }
266
267 return SR_OK;
268}
269
270static int dev_acquisition_start(const struct sr_dev_inst *sdi,
271 void *cb_data, int dmm)
272{
273 struct dev_context *devc;
274
275 devc = sdi->priv;
276
277 devc->cb_data = cb_data;
278
279 devc->starttime = g_get_monotonic_time();
280
281 /* Send header packet to the session bus. */
282 std_session_send_df_header(cb_data, LOG_PREFIX);
283
284 sr_source_add(0, 0, 10 /* poll_timeout */,
285 udmms[dmm].receive_data, (void *)sdi);
286
287 return SR_OK;
288}
289
290static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
291{
292 struct sr_datafeed_packet packet;
293
294 (void)sdi;
295
296 sr_dbg("Stopping acquisition.");
297
298 /* Send end packet to the session bus. */
299 sr_dbg("Sending SR_DF_END.");
300 packet.type = SR_DF_END;
301 sr_session_send(cb_data, &packet);
302
303 /* TODO? */
304 sr_source_remove(0);
305
306 return SR_OK;
307}
308
309/* Driver-specific API function wrappers */
310#define HW_INIT(X) \
311static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
312#define HW_CLEANUP(X) \
313static int cleanup_##X(void) { return cleanup(X); }
314#define HW_SCAN(X) \
315static GSList *scan_##X(GSList *options) { return scan(options, X); }
316#define HW_DEV_LIST(X) \
317static GSList *dev_list_##X(void) { return dev_list(X); }
318#define HW_DEV_CLEAR(X) \
319static int dev_clear_##X(void) { return dev_clear(X); }
320#define HW_DEV_ACQUISITION_START(X) \
321static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
322void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
323#define HW_DEV_OPEN(X) \
324static int dev_open_##X(struct sr_dev_inst *sdi) { return dev_open(sdi, X); }
325
326/* Driver structs and API function wrappers */
327#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
328HW_INIT(ID_UPPER) \
329HW_CLEANUP(ID_UPPER) \
330HW_SCAN(ID_UPPER) \
331HW_DEV_LIST(ID_UPPER) \
332HW_DEV_CLEAR(ID_UPPER) \
333HW_DEV_ACQUISITION_START(ID_UPPER) \
334HW_DEV_OPEN(ID_UPPER) \
335SR_PRIV struct sr_dev_driver ID##_driver_info = { \
336 .name = NAME, \
337 .longname = LONGNAME, \
338 .api_version = 1, \
339 .init = init_##ID_UPPER, \
340 .cleanup = cleanup_##ID_UPPER, \
341 .scan = scan_##ID_UPPER, \
342 .dev_list = dev_list_##ID_UPPER, \
343 .dev_clear = dev_clear_##ID_UPPER, \
344 .config_get = NULL, \
345 .config_set = config_set, \
346 .config_list = config_list, \
347 .dev_open = dev_open_##ID_UPPER, \
348 .dev_close = dev_close, \
349 .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
350 .dev_acquisition_stop = dev_acquisition_stop, \
351 .priv = NULL, \
352};
353
354DRV(tecpel_dmm_8061, TECPEL_DMM_8061, "tecpel-dmm-8061", "Tecpel DMM-8061")
355DRV(uni_t_ut60a, UNI_T_UT60A, "uni-t-ut60a", "UNI-T UT60A")
356DRV(uni_t_ut60e, UNI_T_UT60E, "uni-t-ut60e", "UNI-T UT60E")
357DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D")
358DRV(uni_t_ut61e, UNI_T_UT61E, "uni-t-ut61e", "UNI-T UT61E")
359DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820")
360DRV(voltcraft_vc830, VOLTCRAFT_VC830, "voltcraft-vc830", "Voltcraft VC-830")
361DRV(voltcraft_vc840, VOLTCRAFT_VC840, "voltcraft-vc840", "Voltcraft VC-840")