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uni-t-dmm: Add support for the UNI-T UT61E.
[libsigrok.git] / hardware / uni-t-dmm / api.c
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79081ec8 1/*
50985c20 2 * This file is part of the libsigrok project.
79081ec8 3 *
bc653a56 4 * Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de>
79081ec8
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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
388f9d3e
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27#define UNI_T_UT_D04_NEW "1a86.e008"
28
7d93a62e 29static const int32_t hwopts[] = {
431ec7ca 30 SR_CONF_CONN,
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31};
32
7d93a62e 33static const int32_t hwcaps[] = {
1953564a
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34 SR_CONF_MULTIMETER,
35 SR_CONF_LIMIT_SAMPLES,
36 SR_CONF_LIMIT_MSEC,
37 SR_CONF_CONTINUOUS,
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38};
39
fdbcb86d 40SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
bbef5e32 41SR_PRIV struct sr_dev_driver uni_t_ut61e_driver_info;
fdbcb86d 42SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
6ac5f892 43
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44SR_PRIV struct dmm_info udmms[] = {
45 {
bc653a56 46 "UNI-T", "UT61D", 19230,
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47 FS9922_PACKET_SIZE, NULL,
48 sr_fs9922_packet_valid, sr_fs9922_parse,
49 NULL,
50 &uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D,
51 },
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52 {
53 "UNI-T", "UT61E", 19230,
54 ES51922_PACKET_SIZE, NULL,
55 sr_es51922_packet_valid, sr_es51922_parse,
56 NULL,
57 &uni_t_ut61e_driver_info, receive_data_UNI_T_UT61E,
58 },
c8852687 59 {
bc653a56 60 "Voltcraft", "VC-820", 2400,
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61 FS9721_PACKET_SIZE, NULL,
62 sr_fs9721_packet_valid, sr_fs9721_parse,
63 NULL,
64 &voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820,
65 },
66};
6ac5f892 67
c8852687 68static int clear_instances(int dmm)
79081ec8 69{
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70 (void)dmm;
71
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72 /* TODO: Use common code later. */
73
74 return SR_OK;
75}
76
34f06b90 77static int hw_init(struct sr_context *sr_ctx, int dmm)
79081ec8 78{
c8852687 79 sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name);
6ac5f892 80
bc653a56 81 return std_hw_init(sr_ctx, udmms[dmm].di, DRIVER_LOG_DOMAIN);
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82}
83
c8852687 84static GSList *hw_scan(GSList *options, int dmm)
79081ec8 85{
388f9d3e 86 GSList *usb_devices, *devices, *l;
79081ec8 87 struct sr_dev_inst *sdi;
41d9427f 88 struct dev_context *devc;
79081ec8 89 struct drv_context *drvc;
388f9d3e 90 struct sr_usb_dev_inst *usb;
431ec7ca 91 struct sr_config *src;
41d9427f 92 struct sr_probe *probe;
388f9d3e 93 const char *conn;
79081ec8 94
c8852687 95 drvc = udmms[dmm].di->priv;
79081ec8 96
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97 conn = NULL;
98 for (l = options; l; l = l->next) {
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99 src = l->data;
100 switch (src->key) {
101 case SR_CONF_CONN:
7d93a62e 102 conn = g_variant_get_string(src->data, NULL);
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103 break;
104 }
105 }
106 if (!conn)
107 conn = UNI_T_UT_D04_NEW;
41d9427f 108
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109 devices = NULL;
110 if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
111 g_slist_free_full(usb_devices, g_free);
79081ec8 112 return NULL;
388f9d3e 113 }
79081ec8 114
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115 for (l = usb_devices; l; l = l->next) {
116 usb = l->data;
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117
118 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
119 sr_err("Device context malloc failed.");
120 return NULL;
121 }
122
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123 devc->first_run = TRUE;
124
388f9d3e 125 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
c8852687 126 udmms[dmm].vendor, udmms[dmm].device, NULL))) {
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127 sr_err("sr_dev_inst_new returned NULL.");
128 return NULL;
129 }
130 sdi->priv = devc;
c8852687 131 sdi->driver = udmms[dmm].di;
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132 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
133 return NULL;
134 sdi->probes = g_slist_append(sdi->probes, probe);
388f9d3e 135
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136 sdi->inst_type = SR_INST_USB;
137 sdi->conn = usb;
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138
139 drvc->instances = g_slist_append(drvc->instances, sdi);
41d9427f 140 devices = g_slist_append(devices, sdi);
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141 }
142
143 return devices;
144}
145
c8852687 146static GSList *hw_dev_list(int dmm)
79081ec8 147{
bc653a56 148 return ((struct drv_context *)(udmms[dmm].di->priv))->instances;
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149}
150
c8852687 151static int hw_dev_open(struct sr_dev_inst *sdi, int dmm)
79081ec8 152{
388f9d3e 153 struct drv_context *drvc;
3ece1dff 154 struct sr_usb_dev_inst *usb;
bc653a56 155 int ret;
41d9427f 156
c8852687 157 drvc = udmms[dmm].di->priv;
3ece1dff 158 usb = sdi->conn;
41d9427f 159
3ece1dff 160 if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK)
bc653a56 161 sdi->status = SR_ST_ACTIVE;
e73ffd42 162
bc653a56 163 return ret;
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164}
165
166static int hw_dev_close(struct sr_dev_inst *sdi)
167{
168 (void)sdi;
169
170 /* TODO */
171
bc653a56 172 sdi->status = SR_ST_INACTIVE;
e73ffd42 173
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174 return SR_OK;
175}
176
c8852687 177static int hw_cleanup(int dmm)
79081ec8 178{
c8852687 179 clear_instances(dmm);
79081ec8 180
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181 return SR_OK;
182}
183
7d93a62e 184static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
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185{
186 struct dev_context *devc;
187
188 devc = sdi->priv;
189
035a1078 190 switch (id) {
1953564a 191 case SR_CONF_LIMIT_MSEC:
79081ec8 192 /* TODO: Not yet implemented. */
7d93a62e 193 if (g_variant_get_uint64(data) == 0) {
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194 sr_err("Time limit cannot be 0.");
195 return SR_ERR;
196 }
7d93a62e 197 devc->limit_msec = g_variant_get_uint64(data);
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198 sr_dbg("Setting time limit to %" PRIu64 "ms.",
199 devc->limit_msec);
200 break;
1953564a 201 case SR_CONF_LIMIT_SAMPLES:
7d93a62e 202 if (g_variant_get_uint64(data) == 0) {
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203 sr_err("Sample limit cannot be 0.");
204 return SR_ERR;
205 }
7d93a62e 206 devc->limit_samples = g_variant_get_uint64(data);
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207 sr_dbg("Setting sample limit to %" PRIu64 ".",
208 devc->limit_samples);
209 break;
210 default:
bd6fbf62 211 return SR_ERR_NA;
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212 }
213
214 return SR_OK;
215}
216
7d93a62e 217static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
a1c743fc 218{
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219 (void)sdi;
220
221 switch (key) {
0d485e30 222 case SR_CONF_SCAN_OPTIONS:
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223 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
224 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
0d485e30 225 break;
9a6517d1 226 case SR_CONF_DEVICE_OPTIONS:
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227 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
228 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
9a6517d1 229 break;
a1c743fc 230 default:
bd6fbf62 231 return SR_ERR_NA;
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232 }
233
234 return SR_OK;
235}
236
79081ec8 237static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
c8852687 238 void *cb_data, int dmm)
79081ec8 239{
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240 struct dev_context *devc;
241
242 devc = sdi->priv;
243
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244 devc->cb_data = cb_data;
245
246 /* Send header packet to the session bus. */
4afdfd46 247 std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
79081ec8 248
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249 sr_source_add(0, 0, 10 /* poll_timeout */,
250 udmms[dmm].receive_data, (void *)sdi);
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251
252 return SR_OK;
253}
254
69b07d14 255static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
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256{
257 struct sr_datafeed_packet packet;
258
259 (void)sdi;
260
261 sr_dbg("Stopping acquisition.");
262
263 /* Send end packet to the session bus. */
264 sr_dbg("Sending SR_DF_END.");
265 packet.type = SR_DF_END;
266 sr_session_send(cb_data, &packet);
267
268 /* TODO? */
269 sr_source_remove(0);
270
271 return SR_OK;
272}
273
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274/* Driver-specific API function wrappers */
275#define HW_INIT(X) \
276static int hw_init_##X(struct sr_context *sr_ctx) { return hw_init(sr_ctx, X); }
277#define HW_CLEANUP(X) \
278static int hw_cleanup_##X(void) { return hw_cleanup(X); }
279#define HW_SCAN(X) \
280static GSList *hw_scan_##X(GSList *options) { return hw_scan(options, X); }
281#define HW_DEV_LIST(X) \
282static GSList *hw_dev_list_##X(void) { return hw_dev_list(X); }
283#define CLEAR_INSTANCES(X) \
284static int clear_instances_##X(void) { return clear_instances(X); }
285#define HW_DEV_ACQUISITION_START(X) \
286static int hw_dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
287void *cb_data) { return hw_dev_acquisition_start(sdi, cb_data, X); }
288#define HW_DEV_OPEN(X) \
289static int hw_dev_open_##X(struct sr_dev_inst *sdi) { return hw_dev_open(sdi, X); }
290
291/* Driver structs and API function wrappers */
292#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
293HW_INIT(ID_UPPER) \
294HW_CLEANUP(ID_UPPER) \
295HW_SCAN(ID_UPPER) \
296HW_DEV_LIST(ID_UPPER) \
297CLEAR_INSTANCES(ID_UPPER) \
298HW_DEV_ACQUISITION_START(ID_UPPER) \
299HW_DEV_OPEN(ID_UPPER) \
300SR_PRIV struct sr_dev_driver ID##_driver_info = { \
301 .name = NAME, \
302 .longname = LONGNAME, \
303 .api_version = 1, \
304 .init = hw_init_##ID_UPPER, \
305 .cleanup = hw_cleanup_##ID_UPPER, \
306 .scan = hw_scan_##ID_UPPER, \
307 .dev_list = hw_dev_list_##ID_UPPER, \
308 .dev_clear = clear_instances_##ID_UPPER, \
309 .config_get = NULL, \
310 .config_set = config_set, \
311 .config_list = config_list, \
312 .dev_open = hw_dev_open_##ID_UPPER, \
313 .dev_close = hw_dev_close, \
314 .dev_acquisition_start = hw_dev_acquisition_start_##ID_UPPER, \
315 .dev_acquisition_stop = hw_dev_acquisition_stop, \
316 .priv = NULL, \
fdbcb86d
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317};
318
c8852687 319DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D")
bbef5e32 320DRV(uni_t_ut61e, UNI_T_UT61E, "uni-t-ut61e", "UNI-T UT61E")
c8852687 321DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820")