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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 | 25 | static 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 | 42 | static 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 |
47 | static const uint64_t samplerates[] = { |
48 | SR_HZ(100), | |
49 | SR_MHZ(200), | |
50 | SR_HZ(100), | |
df92e5cf | 51 | }; |
52 | ||
4f840ce9 | 53 | static 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 | 173 | static 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 | 202 | static 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 | 225 | static 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 | 285 | static 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 | 311 | static 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 | 375 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
df92e5cf | 376 | { |
df92e5cf | 377 | stop_acquisition(sdi); |
378 | ||
379 | return SR_OK; | |
380 | } | |
381 | ||
dd5c48a6 | 382 | static 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 | 400 | SR_REGISTER_DEV_DRIVER(link_mso19_driver_info); |