2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de>
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.
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.
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
23 #include "libsigrok.h"
24 #include "libsigrok-internal.h"
27 #define UNI_T_UT_D04_NEW "1a86.e008"
29 static const int32_t hwopts[] = {
33 static const int32_t hwcaps[] = {
35 SR_CONF_LIMIT_SAMPLES,
40 SR_PRIV struct sr_dev_driver tecpel_dmm_8061_driver_info;
41 SR_PRIV struct sr_dev_driver uni_t_ut60a_driver_info;
42 SR_PRIV struct sr_dev_driver uni_t_ut60e_driver_info;
43 SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
44 SR_PRIV struct sr_dev_driver uni_t_ut61e_driver_info;
45 SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
46 SR_PRIV struct sr_dev_driver voltcraft_vc830_driver_info;
47 SR_PRIV struct sr_dev_driver voltcraft_vc840_driver_info;
49 SR_PRIV struct dmm_info udmms[] = {
51 "Tecpel", "DMM-8061", 2400,
52 FS9721_PACKET_SIZE, NULL,
53 sr_fs9721_packet_valid, sr_fs9721_parse,
55 &tecpel_dmm_8061_driver_info, receive_data_TECPEL_DMM_8061,
58 "UNI-T", "UT60A", 2400,
59 FS9721_PACKET_SIZE, NULL,
60 sr_fs9721_packet_valid, sr_fs9721_parse,
62 &uni_t_ut60a_driver_info, receive_data_UNI_T_UT60A,
65 "UNI-T", "UT60E", 2400,
66 FS9721_PACKET_SIZE, NULL,
67 sr_fs9721_packet_valid, sr_fs9721_parse,
69 &uni_t_ut60e_driver_info, receive_data_UNI_T_UT60E,
72 "UNI-T", "UT61D", 2400,
73 FS9922_PACKET_SIZE, NULL,
74 sr_fs9922_packet_valid, sr_fs9922_parse,
76 &uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D,
80 * Important: The actual baudrate of the Cyrustek ES51922 chip
81 * used in this DMM is 19230. However, the WCH CH9325 chip
82 * (UART to USB/HID) used in (some versions of) the UNI-T
83 * UT-D04 cable doesn't support 19230 baud. It only supports
84 * 19200, and setting an unsupported baudrate will result in
85 * the default of 2400 being used (which will not work with
86 * this DMM, of course).
88 "UNI-T", "UT61E", 19200,
89 ES51922_PACKET_SIZE, NULL,
90 sr_es51922_packet_valid, sr_es51922_parse,
92 &uni_t_ut61e_driver_info, receive_data_UNI_T_UT61E,
95 "Voltcraft", "VC-820", 2400,
96 FS9721_PACKET_SIZE, NULL,
97 sr_fs9721_packet_valid, sr_fs9721_parse,
99 &voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820,
102 "Voltcraft", "VC-830", 2400,
103 FS9922_PACKET_SIZE, NULL,
104 sr_fs9922_packet_valid, sr_fs9922_parse,
106 &voltcraft_vc830_driver_info, receive_data_VOLTCRAFT_VC830,
109 "Voltcraft", "VC-840", 2400,
110 FS9721_PACKET_SIZE, NULL,
111 sr_fs9721_packet_valid, sr_fs9721_parse,
113 &voltcraft_vc840_driver_info, receive_data_VOLTCRAFT_VC840,
117 static int dev_clear(int dmm)
119 return std_dev_clear(udmms[dmm].di, NULL);
122 static int init(struct sr_context *sr_ctx, int dmm)
124 sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name);
126 return std_init(sr_ctx, udmms[dmm].di, LOG_PREFIX);
129 static GSList *scan(GSList *options, int dmm)
131 GSList *usb_devices, *devices, *l;
132 struct sr_dev_inst *sdi;
133 struct dev_context *devc;
134 struct drv_context *drvc;
135 struct sr_usb_dev_inst *usb;
136 struct sr_config *src;
137 struct sr_probe *probe;
140 drvc = udmms[dmm].di->priv;
143 for (l = options; l; l = l->next) {
147 conn = g_variant_get_string(src->data, NULL);
152 conn = UNI_T_UT_D04_NEW;
155 if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
156 g_slist_free_full(usb_devices, g_free);
160 for (l = usb_devices; l; l = l->next) {
163 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
164 sr_err("Device context malloc failed.");
168 devc->first_run = TRUE;
170 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
171 udmms[dmm].vendor, udmms[dmm].device, NULL))) {
172 sr_err("sr_dev_inst_new returned NULL.");
176 sdi->driver = udmms[dmm].di;
177 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
179 sdi->probes = g_slist_append(sdi->probes, probe);
181 sdi->inst_type = SR_INST_USB;
184 drvc->instances = g_slist_append(drvc->instances, sdi);
185 devices = g_slist_append(devices, sdi);
191 static GSList *dev_list(int dmm)
193 return ((struct drv_context *)(udmms[dmm].di->priv))->instances;
196 static int dev_open(struct sr_dev_inst *sdi, int dmm)
198 struct drv_context *drvc;
199 struct sr_usb_dev_inst *usb;
202 drvc = udmms[dmm].di->priv;
205 if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK)
206 sdi->status = SR_ST_ACTIVE;
211 static int dev_close(struct sr_dev_inst *sdi)
217 sdi->status = SR_ST_INACTIVE;
222 static int cleanup(int dmm)
224 return dev_clear(dmm);
227 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
229 struct dev_context *devc;
234 case SR_CONF_LIMIT_MSEC:
235 if (g_variant_get_uint64(data) == 0) {
236 sr_err("Time limit cannot be 0.");
239 devc->limit_msec = g_variant_get_uint64(data);
240 sr_dbg("Setting time limit to %" PRIu64 "ms.",
243 case SR_CONF_LIMIT_SAMPLES:
244 if (g_variant_get_uint64(data) == 0) {
245 sr_err("Sample limit cannot be 0.");
248 devc->limit_samples = g_variant_get_uint64(data);
249 sr_dbg("Setting sample limit to %" PRIu64 ".",
250 devc->limit_samples);
259 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
264 case SR_CONF_SCAN_OPTIONS:
265 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
266 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
268 case SR_CONF_DEVICE_OPTIONS:
269 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
270 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
279 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
280 void *cb_data, int dmm)
282 struct dev_context *devc;
286 devc->cb_data = cb_data;
288 devc->starttime = g_get_monotonic_time();
290 /* Send header packet to the session bus. */
291 std_session_send_df_header(cb_data, LOG_PREFIX);
293 sr_source_add(0, 0, 10 /* poll_timeout */,
294 udmms[dmm].receive_data, (void *)sdi);
299 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
301 struct sr_datafeed_packet packet;
305 sr_dbg("Stopping acquisition.");
307 /* Send end packet to the session bus. */
308 sr_dbg("Sending SR_DF_END.");
309 packet.type = SR_DF_END;
310 sr_session_send(cb_data, &packet);
318 /* Driver-specific API function wrappers */
320 static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
321 #define HW_CLEANUP(X) \
322 static int cleanup_##X(void) { return cleanup(X); }
324 static GSList *scan_##X(GSList *options) { return scan(options, X); }
325 #define HW_DEV_LIST(X) \
326 static GSList *dev_list_##X(void) { return dev_list(X); }
327 #define HW_DEV_CLEAR(X) \
328 static int dev_clear_##X(void) { return dev_clear(X); }
329 #define HW_DEV_ACQUISITION_START(X) \
330 static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
331 void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
332 #define HW_DEV_OPEN(X) \
333 static int dev_open_##X(struct sr_dev_inst *sdi) { return dev_open(sdi, X); }
335 /* Driver structs and API function wrappers */
336 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
338 HW_CLEANUP(ID_UPPER) \
340 HW_DEV_LIST(ID_UPPER) \
341 HW_DEV_CLEAR(ID_UPPER) \
342 HW_DEV_ACQUISITION_START(ID_UPPER) \
343 HW_DEV_OPEN(ID_UPPER) \
344 SR_PRIV struct sr_dev_driver ID##_driver_info = { \
346 .longname = LONGNAME, \
348 .init = init_##ID_UPPER, \
349 .cleanup = cleanup_##ID_UPPER, \
350 .scan = scan_##ID_UPPER, \
351 .dev_list = dev_list_##ID_UPPER, \
352 .dev_clear = dev_clear_##ID_UPPER, \
353 .config_get = NULL, \
354 .config_set = config_set, \
355 .config_list = config_list, \
356 .dev_open = dev_open_##ID_UPPER, \
357 .dev_close = dev_close, \
358 .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
359 .dev_acquisition_stop = dev_acquisition_stop, \
363 DRV(tecpel_dmm_8061, TECPEL_DMM_8061, "tecpel-dmm-8061", "Tecpel DMM-8061")
364 DRV(uni_t_ut60a, UNI_T_UT60A, "uni-t-ut60a", "UNI-T UT60A")
365 DRV(uni_t_ut60e, UNI_T_UT60E, "uni-t-ut60e", "UNI-T UT60E")
366 DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D")
367 DRV(uni_t_ut61e, UNI_T_UT61E, "uni-t-ut61e", "UNI-T UT61E")
368 DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820")
369 DRV(voltcraft_vc830, VOLTCRAFT_VC830, "voltcraft-vc830", "Voltcraft VC-830")
370 DRV(voltcraft_vc840, VOLTCRAFT_VC840, "voltcraft-vc840", "Voltcraft VC-840")