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df92e5cf 1/*
50985c20 2 * This file is part of the libsigrok project.
df92e5cf 3 *
f48cef78
UH
4 * Copyright (C) 2011 Daniel Ribeiro <drwyrm@gmail.com>
5 * Copyright (C) 2012 Renato Caldas <rmsc@fe.up.pt>
6 * Copyright (C) 2013 Lior Elazary <lelazary@yahoo.com>
df92e5cf 7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 */
21
6ec6c43b 22#include <config.h>
df92e5cf 23#include "protocol.h"
24
f254bc4b 25static const uint32_t devopts[] = {
365f04d6 26 SR_CONF_OSCILLOSCOPE,
1953564a 27 SR_CONF_LOGIC_ANALYZER,
5827f61b
BV
28 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
29 SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
30 SR_CONF_TRIGGER_TYPE | SR_CONF_LIST,
31 SR_CONF_TRIGGER_SLOPE | SR_CONF_SET,
32 SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_SET,
33 SR_CONF_CAPTURE_RATIO | SR_CONF_SET,
34 SR_CONF_RLE | SR_CONF_SET,
df92e5cf 35};
36
37/*
ba7dd8bb 38 * Channels are numbered 0 to 7.
df92e5cf 39 *
40 * See also: http://www.linkinstruments.com/images/mso19_1113.gif
41 */
0f34cb47 42static const char *channel_names[] = {
365f04d6 43 /* Note: DSO needs to be first. */
0f34cb47 44 "DSO", "0", "1", "2", "3", "4", "5", "6", "7",
df92e5cf 45};
46
a9ed6877
BV
47static const uint64_t samplerates[] = {
48 SR_HZ(100),
49 SR_MHZ(200),
50 SR_HZ(100),
df92e5cf 51};
52
4f840ce9 53static GSList *scan(struct sr_dev_driver *di, GSList *options)
df92e5cf 54{
00b44ccb
UH
55 int i;
56 GSList *devices = NULL;
57 const char *conn = NULL;
58 const char *serialcomm = NULL;
59 GSList *l;
1987b8d6 60 struct sr_config *src;
00b44ccb 61 struct udev *udev;
fca75cbb 62 int chtype;
df92e5cf 63
df92e5cf 64 for (l = options; l; l = l->next) {
1987b8d6
BV
65 src = l->data;
66 switch (src->key) {
1953564a 67 case SR_CONF_CONN:
a9ed6877 68 conn = g_variant_get_string(src->data, NULL);
df92e5cf 69 break;
1953564a 70 case SR_CONF_SERIALCOMM:
06c45a66 71 serialcomm = g_variant_get_string(src->data, NULL);
df92e5cf 72 break;
73 }
74 }
75 if (!conn)
00b44ccb 76 conn = SERIALCONN;
98fec29e 77 if (!serialcomm)
df92e5cf 78 serialcomm = SERIALCOMM;
79
00b44ccb 80 udev = udev_new();
df92e5cf 81 if (!udev) {
82 sr_err("Failed to initialize udev.");
83 }
00b44ccb 84
df92e5cf 85 struct udev_enumerate *enumerate = udev_enumerate_new(udev);
86 udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
87 udev_enumerate_scan_devices(enumerate);
88 struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
89 struct udev_list_entry *dev_list_entry;
00b44ccb
UH
90 for (dev_list_entry = devs;
91 dev_list_entry != NULL;
92 dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
df92e5cf 93 const char *syspath = udev_list_entry_get_name(dev_list_entry);
00b44ccb
UH
94 struct udev_device *dev =
95 udev_device_new_from_syspath(udev, syspath);
df92e5cf 96 const char *sysname = udev_device_get_sysname(dev);
00b44ccb
UH
97 struct udev_device *parent =
98 udev_device_get_parent_with_subsystem_devtype(dev, "usb",
99 "usb_device");
df92e5cf 100
101 if (!parent) {
102 sr_err("Unable to find parent usb device for %s",
103 sysname);
104 continue;
105 }
106
00b44ccb
UH
107 const char *idVendor =
108 udev_device_get_sysattr_value(parent, "idVendor");
109 const char *idProduct =
110 udev_device_get_sysattr_value(parent, "idProduct");
df92e5cf 111 if (strcmp(USB_VENDOR, idVendor)
00b44ccb 112 || strcmp(USB_PRODUCT, idProduct))
df92e5cf 113 continue;
114
00b44ccb
UH
115 const char *iSerial =
116 udev_device_get_sysattr_value(parent, "serial");
117 const char *iProduct =
118 udev_device_get_sysattr_value(parent, "product");
df92e5cf 119
00b44ccb 120 char path[32];
df92e5cf 121 snprintf(path, sizeof(path), "/dev/%s", sysname);
00b44ccb 122 conn = path;
df92e5cf 123
124 size_t s = strcspn(iProduct, " ");
00b44ccb
UH
125 char product[32];
126 char manufacturer[32];
df92e5cf 127 if (s > sizeof(product) ||
00b44ccb
UH
128 strlen(iProduct) - s > sizeof(manufacturer)) {
129 sr_err("Could not parse iProduct: %s.", iProduct);
df92e5cf 130 continue;
131 }
132 strncpy(product, iProduct, s);
133 product[s] = 0;
4db2aaff 134 strcpy(manufacturer, iProduct + s + 1);
00b44ccb
UH
135
136 //Create the device context and set its params
137 struct dev_context *devc;
f57d8ffe 138 devc = g_malloc0(sizeof(struct dev_context));
00b44ccb
UH
139
140 if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
141 sr_err("Invalid iSerial: %s.", iSerial);
142 g_free(devc);
143 return devices;
144 }
145
146 char hwrev[32];
147 sprintf(hwrev, "r%d", devc->hwrev);
148 devc->ctlbase1 = 0;
149 devc->protocol_trigger.spimode = 0;
150 for (i = 0; i < 4; i++) {
151 devc->protocol_trigger.word[i] = 0;
152 devc->protocol_trigger.mask[i] = 0xff;
153 }
154
91219afc 155 devc->serial = sr_serial_dev_inst_new(conn, serialcomm);
00b44ccb 156
aac29cc1
UH
157 struct sr_dev_inst *sdi = g_malloc0(sizeof(struct sr_dev_inst));
158 sdi->status = SR_ST_INACTIVE;
159 sdi->vendor = g_strdup(manufacturer);
160 sdi->model = g_strdup(product);
161 sdi->version = g_strdup(hwrev);
00b44ccb
UH
162 sdi->priv = devc;
163
07962655 164 for (i = 0; i < ARRAY_SIZE(channel_names); i++) {
fca75cbb 165 chtype = (i == 0) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC;
0f34cb47 166 sr_channel_new(sdi, i, chtype, TRUE, channel_names[i]);
00b44ccb 167 }
00b44ccb 168 }
5a24e89c 169
15a5bfe4 170 return std_scan_complete(di, devices);
df92e5cf 171}
172
6078d2c9 173static int dev_open(struct sr_dev_inst *sdi)
df92e5cf 174{
00b44ccb 175 int ret;
df92e5cf 176 struct dev_context *devc;
177
178 devc = sdi->priv;
179
180 if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
181 return SR_ERR;
182
df92e5cf 183 /* FIXME: discard serial buffer */
184 mso_check_trigger(devc->serial, &devc->trigger_state);
185 sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
186
00b44ccb 187 ret = mso_reset_adc(sdi);
df92e5cf 188 if (ret != SR_OK)
189 return ret;
190
191 mso_check_trigger(devc->serial, &devc->trigger_state);
192 sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
193
00b44ccb
UH
194 // ret = mso_reset_fsm(sdi);
195 // if (ret != SR_OK)
196 // return ret;
197 // return SR_ERR;
df92e5cf 198
199 return SR_OK;
200}
201
2ea67fc9 202static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
53b4680f 203 const struct sr_channel_group *cg)
df92e5cf 204{
205 struct dev_context *devc;
206
53b4680f 207 (void)cg;
8f996b89 208
709468ba
UH
209 if (!sdi)
210 return SR_ERR_ARG;
211
212 devc = sdi->priv;
213
2ea67fc9 214 switch (key) {
123e1313 215 case SR_CONF_SAMPLERATE:
709468ba 216 *data = g_variant_new_uint64(devc->cur_rate);
df92e5cf 217 break;
218 default:
bd6fbf62 219 return SR_ERR_NA;
df92e5cf 220 }
221
222 return SR_OK;
223}
224
2ea67fc9 225static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
53b4680f 226 const struct sr_channel_group *cg)
df92e5cf 227{
df92e5cf 228 int ret;
087a9161 229 struct dev_context *devc;
ca9b9f48
DE
230 uint64_t num_samples;
231 const char *slope;
00b44ccb 232 int trigger_pos;
a9ed6877 233 double pos;
00b44ccb 234
53b4680f 235 (void)cg;
b0baddef 236
00b44ccb 237 devc = sdi->priv;
087a9161 238
a9010323 239 ret = SR_OK;
2ea67fc9 240 switch (key) {
1953564a 241 case SR_CONF_SAMPLERATE:
00b44ccb 242 // FIXME
a9ed6877 243 return mso_configure_rate(sdi, g_variant_get_uint64(data));
1953564a 244 case SR_CONF_LIMIT_SAMPLES:
a9ed6877 245 num_samples = g_variant_get_uint64(data);
5952553f 246 if (num_samples != 1024) {
247 sr_err("Only 1024 samples are supported.");
00b44ccb 248 ret = SR_ERR_ARG;
a9010323
UH
249 break;
250 };
251 devc->limit_samples = num_samples;
df92e5cf 252 break;
1953564a 253 case SR_CONF_CAPTURE_RATIO:
00b44ccb 254 break;
1953564a 255 case SR_CONF_TRIGGER_SLOPE:
ca9b9f48
DE
256 slope = g_variant_get_string(data, NULL);
257
258 if (!slope || !(slope[0] == 'f' || slope[0] == 'r'))
00b44ccb
UH
259 sr_err("Invalid trigger slope");
260 ret = SR_ERR_ARG;
a9010323 261 break;
00b44ccb 262 }
a9010323
UH
263 devc->trigger_slope = (slope[0] == 'r')
264 ? SLOPE_POSITIVE : SLOPE_NEGATIVE;
00b44ccb 265 break;
1953564a 266 case SR_CONF_HORIZ_TRIGGERPOS:
a9ed6877 267 pos = g_variant_get_double(data);
00b44ccb
UH
268 if (pos < 0 || pos > 255) {
269 sr_err("Trigger position (%f) should be between 0 and 255.", pos);
270 ret = SR_ERR_ARG;
a9010323 271 break;
00b44ccb 272 }
a9010323
UH
273 trigger_pos = (int)pos;
274 devc->trigger_holdoff[0] = trigger_pos & 0xff;
df92e5cf 275 break;
1953564a 276 case SR_CONF_RLE:
df92e5cf 277 break;
278 default:
bd6fbf62 279 ret = SR_ERR_NA;
df92e5cf 280 }
281
282 return ret;
283}
284
8f996b89 285static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
53b4680f 286 const struct sr_channel_group *cg)
a1c743fc 287{
a9ed6877
BV
288 GVariant *gvar;
289 GVariantBuilder gvb;
a1c743fc 290
a1c743fc 291 switch (key) {
9a6517d1 292 case SR_CONF_DEVICE_OPTIONS:
e66d1892 293 return STD_CONFIG_LIST(key, data, sdi, cg, NULL, NULL, devopts);
a1c743fc 294 case SR_CONF_SAMPLERATE:
a9ed6877
BV
295 g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
296 gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
297 ARRAY_SIZE(samplerates), sizeof(uint64_t));
298 g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar);
299 *data = g_variant_builder_end(&gvb);
a1c743fc 300 break;
c50277a6 301 case SR_CONF_TRIGGER_TYPE:
a9ed6877 302 *data = g_variant_new_string(TRIGGER_TYPE);
c50277a6 303 break;
a1c743fc 304 default:
bd6fbf62 305 return SR_ERR_NA;
a1c743fc
BV
306 }
307
308 return SR_OK;
309}
310
695dc859 311static int dev_acquisition_start(const struct sr_dev_inst *sdi)
df92e5cf 312{
df92e5cf 313 struct dev_context *devc;
df92e5cf 314 int ret = SR_ERR;
00b44ccb 315
e73ffd42 316 devc = sdi->priv;
df92e5cf 317
ba7dd8bb
UH
318 if (mso_configure_channels(sdi) != SR_OK) {
319 sr_err("Failed to configure channels.");
5a24e89c 320 return SR_ERR;
321 }
df92e5cf 322
df92e5cf 323 /* FIXME: No need to do full reconfigure every time */
00b44ccb
UH
324// ret = mso_reset_fsm(sdi);
325// if (ret != SR_OK)
326// return ret;
df92e5cf 327
328 /* FIXME: ACDC Mode */
329 devc->ctlbase1 &= 0x7f;
00b44ccb 330// devc->ctlbase1 |= devc->acdcmode;
df92e5cf 331
332 ret = mso_configure_rate(sdi, devc->cur_rate);
333 if (ret != SR_OK)
334 return ret;
335
336 /* set dac offset */
337 ret = mso_dac_out(sdi, devc->dac_offset);
338 if (ret != SR_OK)
339 return ret;
340
341 ret = mso_configure_threshold_level(sdi);
342 if (ret != SR_OK)
343 return ret;
344
345 ret = mso_configure_trigger(sdi);
346 if (ret != SR_OK)
347 return ret;
348
df92e5cf 349 /* END of config hardware part */
00b44ccb
UH
350 ret = mso_arm(sdi);
351 if (ret != SR_OK)
352 return ret;
df92e5cf 353
354 /* Start acquisition on the device. */
4db2aaff 355 mso_check_trigger(devc->serial, &devc->trigger_state);
356 ret = mso_check_trigger(devc->serial, NULL);
df92e5cf 357 if (ret != SR_OK)
358 return ret;
359
365f04d6 360 /* Reset trigger state. */
361 devc->trigger_state = 0x00;
362
bee2b016 363 std_session_send_df_header(sdi);
df92e5cf 364
ba7dd8bb 365 /* Our first channel is analog, the other 8 are of type 'logic'. */
365f04d6 366 /* TODO. */
367
102f1239 368 serial_source_add(sdi->session, devc->serial, G_IO_IN, -1,
695dc859 369 mso_receive_data, sdi);
df92e5cf 370
371 return SR_OK;
372}
373
087a9161 374/* This stops acquisition on ALL devices, ignoring dev_index. */
695dc859 375static int dev_acquisition_stop(struct sr_dev_inst *sdi)
df92e5cf 376{
df92e5cf 377 stop_acquisition(sdi);
378
379 return SR_OK;
380}
381
dd5c48a6 382static struct sr_dev_driver link_mso19_driver_info = {
df92e5cf 383 .name = "link-mso19",
384 .longname = "Link Instruments MSO-19",
385 .api_version = 1,
c2fdcc25 386 .init = std_init,
700d6b64 387 .cleanup = std_cleanup,
6078d2c9 388 .scan = scan,
c01bf34c 389 .dev_list = std_dev_list,
f778bf02 390 .dev_clear = std_dev_clear,
035a1078
BV
391 .config_get = config_get,
392 .config_set = config_set,
a1c743fc 393 .config_list = config_list,
6078d2c9 394 .dev_open = dev_open,
bf2c987f 395 .dev_close = std_serial_dev_close,
6078d2c9
UH
396 .dev_acquisition_start = dev_acquisition_start,
397 .dev_acquisition_stop = dev_acquisition_stop,
41812aca 398 .context = NULL,
df92e5cf 399};
dd5c48a6 400SR_REGISTER_DEV_DRIVER(link_mso19_driver_info);