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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_8060_driver_info;
41SR_PRIV struct sr_dev_driver tecpel_dmm_8061_driver_info;
42SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
43SR_PRIV struct sr_dev_driver uni_t_ut61e_driver_info;
44SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
45SR_PRIV struct sr_dev_driver voltcraft_vc840_driver_info;
46
47SR_PRIV struct dmm_info udmms[] = {
48 {
49 "Tecpel", "DMM-8060", 2400,
50 FS9721_PACKET_SIZE, NULL,
51 sr_fs9721_packet_valid, sr_fs9721_parse,
52 NULL,
53 &tecpel_dmm_8060_driver_info, receive_data_TECPEL_DMM_8060,
54 },
55 {
56 "Tecpel", "DMM-8061", 2400,
57 FS9721_PACKET_SIZE, NULL,
58 sr_fs9721_packet_valid, sr_fs9721_parse,
59 sr_fs9721_00_temp_c,
60 &tecpel_dmm_8061_driver_info, receive_data_TECPEL_DMM_8061,
61 },
62 {
63 "UNI-T", "UT61D", 2400,
64 FS9922_PACKET_SIZE, NULL,
65 sr_fs9922_packet_valid, sr_fs9922_parse,
66 NULL,
67 &uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D,
68 },
69 {
70 "UNI-T", "UT61E", 19230,
71 ES51922_PACKET_SIZE, NULL,
72 sr_es51922_packet_valid, sr_es51922_parse,
73 NULL,
74 &uni_t_ut61e_driver_info, receive_data_UNI_T_UT61E,
75 },
76 {
77 "Voltcraft", "VC-820", 2400,
78 FS9721_PACKET_SIZE, NULL,
79 sr_fs9721_packet_valid, sr_fs9721_parse,
80 NULL,
81 &voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820,
82 },
83 {
84 "Voltcraft", "VC-840", 2400,
85 FS9721_PACKET_SIZE, NULL,
86 sr_fs9721_packet_valid, sr_fs9721_parse,
87 sr_fs9721_00_temp_c,
88 &voltcraft_vc840_driver_info, receive_data_VOLTCRAFT_VC840,
89 },
90};
91
92static int dev_clear(int dmm)
93{
94 return std_dev_clear(udmms[dmm].di, NULL);
95}
96
97static int init(struct sr_context *sr_ctx, int dmm)
98{
99 sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name);
100
101 return std_init(sr_ctx, udmms[dmm].di, LOG_PREFIX);
102}
103
104static GSList *scan(GSList *options, int dmm)
105{
106 GSList *usb_devices, *devices, *l;
107 struct sr_dev_inst *sdi;
108 struct dev_context *devc;
109 struct drv_context *drvc;
110 struct sr_usb_dev_inst *usb;
111 struct sr_config *src;
112 struct sr_probe *probe;
113 const char *conn;
114
115 drvc = udmms[dmm].di->priv;
116
117 conn = NULL;
118 for (l = options; l; l = l->next) {
119 src = l->data;
120 switch (src->key) {
121 case SR_CONF_CONN:
122 conn = g_variant_get_string(src->data, NULL);
123 break;
124 }
125 }
126 if (!conn)
127 conn = UNI_T_UT_D04_NEW;
128
129 devices = NULL;
130 if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
131 g_slist_free_full(usb_devices, g_free);
132 return NULL;
133 }
134
135 for (l = usb_devices; l; l = l->next) {
136 usb = l->data;
137
138 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
139 sr_err("Device context malloc failed.");
140 return NULL;
141 }
142
143 devc->first_run = TRUE;
144
145 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
146 udmms[dmm].vendor, udmms[dmm].device, NULL))) {
147 sr_err("sr_dev_inst_new returned NULL.");
148 return NULL;
149 }
150 sdi->priv = devc;
151 sdi->driver = udmms[dmm].di;
152 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
153 return NULL;
154 sdi->probes = g_slist_append(sdi->probes, probe);
155
156 sdi->inst_type = SR_INST_USB;
157 sdi->conn = usb;
158
159 drvc->instances = g_slist_append(drvc->instances, sdi);
160 devices = g_slist_append(devices, sdi);
161 }
162
163 return devices;
164}
165
166static GSList *dev_list(int dmm)
167{
168 return ((struct drv_context *)(udmms[dmm].di->priv))->instances;
169}
170
171static int dev_open(struct sr_dev_inst *sdi, int dmm)
172{
173 struct drv_context *drvc;
174 struct sr_usb_dev_inst *usb;
175 int ret;
176
177 drvc = udmms[dmm].di->priv;
178 usb = sdi->conn;
179
180 if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK)
181 sdi->status = SR_ST_ACTIVE;
182
183 return ret;
184}
185
186static int dev_close(struct sr_dev_inst *sdi)
187{
188 (void)sdi;
189
190 /* TODO */
191
192 sdi->status = SR_ST_INACTIVE;
193
194 return SR_OK;
195}
196
197static int cleanup(int dmm)
198{
199 return dev_clear(dmm);
200}
201
202static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
203{
204 struct dev_context *devc;
205
206 devc = sdi->priv;
207
208 switch (id) {
209 case SR_CONF_LIMIT_MSEC:
210 if (g_variant_get_uint64(data) == 0) {
211 sr_err("Time limit cannot be 0.");
212 return SR_ERR;
213 }
214 devc->limit_msec = g_variant_get_uint64(data);
215 sr_dbg("Setting time limit to %" PRIu64 "ms.",
216 devc->limit_msec);
217 break;
218 case SR_CONF_LIMIT_SAMPLES:
219 if (g_variant_get_uint64(data) == 0) {
220 sr_err("Sample limit cannot be 0.");
221 return SR_ERR;
222 }
223 devc->limit_samples = g_variant_get_uint64(data);
224 sr_dbg("Setting sample limit to %" PRIu64 ".",
225 devc->limit_samples);
226 break;
227 default:
228 return SR_ERR_NA;
229 }
230
231 return SR_OK;
232}
233
234static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
235{
236 (void)sdi;
237
238 switch (key) {
239 case SR_CONF_SCAN_OPTIONS:
240 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
241 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
242 break;
243 case SR_CONF_DEVICE_OPTIONS:
244 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
245 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
246 break;
247 default:
248 return SR_ERR_NA;
249 }
250
251 return SR_OK;
252}
253
254static int dev_acquisition_start(const struct sr_dev_inst *sdi,
255 void *cb_data, int dmm)
256{
257 struct dev_context *devc;
258
259 devc = sdi->priv;
260
261 devc->cb_data = cb_data;
262
263 devc->starttime = g_get_monotonic_time();
264
265 /* Send header packet to the session bus. */
266 std_session_send_df_header(cb_data, LOG_PREFIX);
267
268 sr_source_add(0, 0, 10 /* poll_timeout */,
269 udmms[dmm].receive_data, (void *)sdi);
270
271 return SR_OK;
272}
273
274static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
275{
276 struct sr_datafeed_packet packet;
277
278 (void)sdi;
279
280 sr_dbg("Stopping acquisition.");
281
282 /* Send end packet to the session bus. */
283 sr_dbg("Sending SR_DF_END.");
284 packet.type = SR_DF_END;
285 sr_session_send(cb_data, &packet);
286
287 /* TODO? */
288 sr_source_remove(0);
289
290 return SR_OK;
291}
292
293/* Driver-specific API function wrappers */
294#define HW_INIT(X) \
295static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
296#define HW_CLEANUP(X) \
297static int cleanup_##X(void) { return cleanup(X); }
298#define HW_SCAN(X) \
299static GSList *scan_##X(GSList *options) { return scan(options, X); }
300#define HW_DEV_LIST(X) \
301static GSList *dev_list_##X(void) { return dev_list(X); }
302#define HW_DEV_CLEAR(X) \
303static int dev_clear_##X(void) { return dev_clear(X); }
304#define HW_DEV_ACQUISITION_START(X) \
305static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
306void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
307#define HW_DEV_OPEN(X) \
308static int dev_open_##X(struct sr_dev_inst *sdi) { return dev_open(sdi, X); }
309
310/* Driver structs and API function wrappers */
311#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
312HW_INIT(ID_UPPER) \
313HW_CLEANUP(ID_UPPER) \
314HW_SCAN(ID_UPPER) \
315HW_DEV_LIST(ID_UPPER) \
316HW_DEV_CLEAR(ID_UPPER) \
317HW_DEV_ACQUISITION_START(ID_UPPER) \
318HW_DEV_OPEN(ID_UPPER) \
319SR_PRIV struct sr_dev_driver ID##_driver_info = { \
320 .name = NAME, \
321 .longname = LONGNAME, \
322 .api_version = 1, \
323 .init = init_##ID_UPPER, \
324 .cleanup = cleanup_##ID_UPPER, \
325 .scan = scan_##ID_UPPER, \
326 .dev_list = dev_list_##ID_UPPER, \
327 .dev_clear = dev_clear_##ID_UPPER, \
328 .config_get = NULL, \
329 .config_set = config_set, \
330 .config_list = config_list, \
331 .dev_open = dev_open_##ID_UPPER, \
332 .dev_close = dev_close, \
333 .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
334 .dev_acquisition_stop = dev_acquisition_stop, \
335 .priv = NULL, \
336};
337
338DRV(tecpel_dmm_8060, TECPEL_DMM_8060, "tecpel-dmm-8060", "Tecpel DMM-8060")
339DRV(tecpel_dmm_8061, TECPEL_DMM_8061, "tecpel-dmm-8061", "Tecpel DMM-8061")
340DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D")
341DRV(uni_t_ut61e, UNI_T_UT61E, "uni-t-ut61e", "UNI-T UT61E")
342DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820")
343DRV(voltcraft_vc840, VOLTCRAFT_VC840, "voltcraft-vc840", "Voltcraft VC-840")