]> sigrok.org Git - libsigrok.git/blame - src/hardware/link-mso19/api.c
drivers: Simplify some more trigger slope settings.
[libsigrok.git] / src / hardware / link-mso19 / api.c
CommitLineData
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
05199c0a 25static const uint32_t drvopts[] = {
365f04d6 26 SR_CONF_OSCILLOSCOPE,
1953564a 27 SR_CONF_LOGIC_ANALYZER,
05199c0a
UH
28};
29
30static const uint32_t devopts[] = {
5827f61b
BV
31 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
32 SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
33 SR_CONF_TRIGGER_TYPE | SR_CONF_LIST,
34 SR_CONF_TRIGGER_SLOPE | SR_CONF_SET,
35 SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_SET,
36 SR_CONF_CAPTURE_RATIO | SR_CONF_SET,
37 SR_CONF_RLE | SR_CONF_SET,
df92e5cf 38};
39
40/*
ba7dd8bb 41 * Channels are numbered 0 to 7.
df92e5cf 42 *
43 * See also: http://www.linkinstruments.com/images/mso19_1113.gif
44 */
0f34cb47 45static const char *channel_names[] = {
365f04d6 46 /* Note: DSO needs to be first. */
0f34cb47 47 "DSO", "0", "1", "2", "3", "4", "5", "6", "7",
df92e5cf 48};
49
a9ed6877
BV
50static const uint64_t samplerates[] = {
51 SR_HZ(100),
52 SR_MHZ(200),
53 SR_HZ(100),
df92e5cf 54};
55
db85496e
UH
56static const char *trigger_slopes[2] = {
57 "r", "f",
58};
59
4f840ce9 60static GSList *scan(struct sr_dev_driver *di, GSList *options)
df92e5cf 61{
00b44ccb
UH
62 int i;
63 GSList *devices = NULL;
64 const char *conn = NULL;
65 const char *serialcomm = NULL;
66 GSList *l;
1987b8d6 67 struct sr_config *src;
00b44ccb 68 struct udev *udev;
fca75cbb 69 int chtype;
df92e5cf 70
df92e5cf 71 for (l = options; l; l = l->next) {
1987b8d6
BV
72 src = l->data;
73 switch (src->key) {
1953564a 74 case SR_CONF_CONN:
a9ed6877 75 conn = g_variant_get_string(src->data, NULL);
df92e5cf 76 break;
1953564a 77 case SR_CONF_SERIALCOMM:
06c45a66 78 serialcomm = g_variant_get_string(src->data, NULL);
df92e5cf 79 break;
80 }
81 }
82 if (!conn)
00b44ccb 83 conn = SERIALCONN;
98fec29e 84 if (!serialcomm)
df92e5cf 85 serialcomm = SERIALCOMM;
86
00b44ccb 87 udev = udev_new();
df92e5cf 88 if (!udev) {
89 sr_err("Failed to initialize udev.");
90 }
00b44ccb 91
df92e5cf 92 struct udev_enumerate *enumerate = udev_enumerate_new(udev);
93 udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
94 udev_enumerate_scan_devices(enumerate);
95 struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
96 struct udev_list_entry *dev_list_entry;
00b44ccb
UH
97 for (dev_list_entry = devs;
98 dev_list_entry != NULL;
99 dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
df92e5cf 100 const char *syspath = udev_list_entry_get_name(dev_list_entry);
00b44ccb
UH
101 struct udev_device *dev =
102 udev_device_new_from_syspath(udev, syspath);
df92e5cf 103 const char *sysname = udev_device_get_sysname(dev);
00b44ccb
UH
104 struct udev_device *parent =
105 udev_device_get_parent_with_subsystem_devtype(dev, "usb",
106 "usb_device");
df92e5cf 107
108 if (!parent) {
109 sr_err("Unable to find parent usb device for %s",
110 sysname);
111 continue;
112 }
113
00b44ccb
UH
114 const char *idVendor =
115 udev_device_get_sysattr_value(parent, "idVendor");
116 const char *idProduct =
117 udev_device_get_sysattr_value(parent, "idProduct");
df92e5cf 118 if (strcmp(USB_VENDOR, idVendor)
00b44ccb 119 || strcmp(USB_PRODUCT, idProduct))
df92e5cf 120 continue;
121
00b44ccb
UH
122 const char *iSerial =
123 udev_device_get_sysattr_value(parent, "serial");
124 const char *iProduct =
125 udev_device_get_sysattr_value(parent, "product");
df92e5cf 126
00b44ccb 127 char path[32];
df92e5cf 128 snprintf(path, sizeof(path), "/dev/%s", sysname);
00b44ccb 129 conn = path;
df92e5cf 130
131 size_t s = strcspn(iProduct, " ");
00b44ccb
UH
132 char product[32];
133 char manufacturer[32];
df92e5cf 134 if (s > sizeof(product) ||
00b44ccb
UH
135 strlen(iProduct) - s > sizeof(manufacturer)) {
136 sr_err("Could not parse iProduct: %s.", iProduct);
df92e5cf 137 continue;
138 }
139 strncpy(product, iProduct, s);
140 product[s] = 0;
4db2aaff 141 strcpy(manufacturer, iProduct + s + 1);
00b44ccb
UH
142
143 //Create the device context and set its params
144 struct dev_context *devc;
f57d8ffe 145 devc = g_malloc0(sizeof(struct dev_context));
00b44ccb
UH
146
147 if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
148 sr_err("Invalid iSerial: %s.", iSerial);
149 g_free(devc);
150 return devices;
151 }
152
153 char hwrev[32];
154 sprintf(hwrev, "r%d", devc->hwrev);
155 devc->ctlbase1 = 0;
156 devc->protocol_trigger.spimode = 0;
157 for (i = 0; i < 4; i++) {
158 devc->protocol_trigger.word[i] = 0;
159 devc->protocol_trigger.mask[i] = 0xff;
160 }
161
91219afc 162 devc->serial = sr_serial_dev_inst_new(conn, serialcomm);
00b44ccb 163
aac29cc1
UH
164 struct sr_dev_inst *sdi = g_malloc0(sizeof(struct sr_dev_inst));
165 sdi->status = SR_ST_INACTIVE;
166 sdi->vendor = g_strdup(manufacturer);
167 sdi->model = g_strdup(product);
168 sdi->version = g_strdup(hwrev);
00b44ccb
UH
169 sdi->priv = devc;
170
07962655 171 for (i = 0; i < ARRAY_SIZE(channel_names); i++) {
fca75cbb 172 chtype = (i == 0) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC;
0f34cb47 173 sr_channel_new(sdi, i, chtype, TRUE, channel_names[i]);
00b44ccb 174 }
00b44ccb 175 }
5a24e89c 176
15a5bfe4 177 return std_scan_complete(di, devices);
df92e5cf 178}
179
6078d2c9 180static int dev_open(struct sr_dev_inst *sdi)
df92e5cf 181{
00b44ccb 182 int ret;
df92e5cf 183 struct dev_context *devc;
184
185 devc = sdi->priv;
186
187 if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
188 return SR_ERR;
189
df92e5cf 190 /* FIXME: discard serial buffer */
191 mso_check_trigger(devc->serial, &devc->trigger_state);
192 sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
193
00b44ccb 194 ret = mso_reset_adc(sdi);
df92e5cf 195 if (ret != SR_OK)
196 return ret;
197
198 mso_check_trigger(devc->serial, &devc->trigger_state);
199 sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
200
00b44ccb
UH
201 // ret = mso_reset_fsm(sdi);
202 // if (ret != SR_OK)
203 // return ret;
204 // return SR_ERR;
df92e5cf 205
206 return SR_OK;
207}
208
dd7a72ea
UH
209static int config_get(int key, GVariant **data,
210 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
df92e5cf 211{
212 struct dev_context *devc;
213
53b4680f 214 (void)cg;
8f996b89 215
709468ba
UH
216 if (!sdi)
217 return SR_ERR_ARG;
218
219 devc = sdi->priv;
220
2ea67fc9 221 switch (key) {
123e1313 222 case SR_CONF_SAMPLERATE:
709468ba 223 *data = g_variant_new_uint64(devc->cur_rate);
df92e5cf 224 break;
225 default:
bd6fbf62 226 return SR_ERR_NA;
df92e5cf 227 }
228
229 return SR_OK;
230}
231
dd7a72ea
UH
232static int config_set(int key, GVariant *data,
233 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
df92e5cf 234{
087a9161 235 struct dev_context *devc;
ca9b9f48
DE
236 uint64_t num_samples;
237 const char *slope;
00b44ccb 238 int trigger_pos;
a9ed6877 239 double pos;
00b44ccb 240
53b4680f 241 (void)cg;
b0baddef 242
00b44ccb 243 devc = sdi->priv;
087a9161 244
2ea67fc9 245 switch (key) {
1953564a 246 case SR_CONF_SAMPLERATE:
00b44ccb 247 // FIXME
a9ed6877 248 return mso_configure_rate(sdi, g_variant_get_uint64(data));
1953564a 249 case SR_CONF_LIMIT_SAMPLES:
a9ed6877 250 num_samples = g_variant_get_uint64(data);
5952553f 251 if (num_samples != 1024) {
252 sr_err("Only 1024 samples are supported.");
758906aa
UH
253 return SR_ERR_ARG;
254 }
a9010323 255 devc->limit_samples = num_samples;
df92e5cf 256 break;
1953564a 257 case SR_CONF_CAPTURE_RATIO:
00b44ccb 258 break;
1953564a 259 case SR_CONF_TRIGGER_SLOPE:
db85496e 260 if ((idx = std_str_idx(data, ARRAY_AND_SIZE(trigger_slopes))) < 0)
758906aa 261 return SR_ERR_ARG;
db85496e 262 devc->trigger_slope = idx;
00b44ccb 263 break;
1953564a 264 case SR_CONF_HORIZ_TRIGGERPOS:
a9ed6877 265 pos = g_variant_get_double(data);
00b44ccb
UH
266 if (pos < 0 || pos > 255) {
267 sr_err("Trigger position (%f) should be between 0 and 255.", pos);
758906aa 268 return SR_ERR_ARG;
00b44ccb 269 }
a9010323
UH
270 trigger_pos = (int)pos;
271 devc->trigger_holdoff[0] = trigger_pos & 0xff;
df92e5cf 272 break;
1953564a 273 case SR_CONF_RLE:
df92e5cf 274 break;
275 default:
758906aa 276 return SR_ERR_NA;
df92e5cf 277 }
278
758906aa 279 return SR_OK;
df92e5cf 280}
281
dd7a72ea
UH
282static int config_list(int key, GVariant **data,
283 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
a1c743fc 284{
a1c743fc 285 switch (key) {
9a6517d1 286 case SR_CONF_DEVICE_OPTIONS:
05199c0a 287 return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
a1c743fc 288 case SR_CONF_SAMPLERATE:
53012da6 289 *data = std_gvar_samplerates_steps(ARRAY_AND_SIZE(samplerates));
a1c743fc 290 break;
c50277a6 291 case SR_CONF_TRIGGER_TYPE:
a9ed6877 292 *data = g_variant_new_string(TRIGGER_TYPE);
c50277a6 293 break;
a1c743fc 294 default:
bd6fbf62 295 return SR_ERR_NA;
a1c743fc
BV
296 }
297
298 return SR_OK;
299}
300
695dc859 301static int dev_acquisition_start(const struct sr_dev_inst *sdi)
df92e5cf 302{
df92e5cf 303 struct dev_context *devc;
df92e5cf 304 int ret = SR_ERR;
00b44ccb 305
e73ffd42 306 devc = sdi->priv;
df92e5cf 307
ba7dd8bb
UH
308 if (mso_configure_channels(sdi) != SR_OK) {
309 sr_err("Failed to configure channels.");
5a24e89c 310 return SR_ERR;
311 }
df92e5cf 312
df92e5cf 313 /* FIXME: No need to do full reconfigure every time */
00b44ccb
UH
314// ret = mso_reset_fsm(sdi);
315// if (ret != SR_OK)
316// return ret;
df92e5cf 317
318 /* FIXME: ACDC Mode */
319 devc->ctlbase1 &= 0x7f;
00b44ccb 320// devc->ctlbase1 |= devc->acdcmode;
df92e5cf 321
322 ret = mso_configure_rate(sdi, devc->cur_rate);
323 if (ret != SR_OK)
324 return ret;
325
326 /* set dac offset */
327 ret = mso_dac_out(sdi, devc->dac_offset);
328 if (ret != SR_OK)
329 return ret;
330
331 ret = mso_configure_threshold_level(sdi);
332 if (ret != SR_OK)
333 return ret;
334
335 ret = mso_configure_trigger(sdi);
336 if (ret != SR_OK)
337 return ret;
338
df92e5cf 339 /* END of config hardware part */
00b44ccb
UH
340 ret = mso_arm(sdi);
341 if (ret != SR_OK)
342 return ret;
df92e5cf 343
344 /* Start acquisition on the device. */
4db2aaff 345 mso_check_trigger(devc->serial, &devc->trigger_state);
346 ret = mso_check_trigger(devc->serial, NULL);
df92e5cf 347 if (ret != SR_OK)
348 return ret;
349
365f04d6 350 /* Reset trigger state. */
351 devc->trigger_state = 0x00;
352
bee2b016 353 std_session_send_df_header(sdi);
df92e5cf 354
ba7dd8bb 355 /* Our first channel is analog, the other 8 are of type 'logic'. */
365f04d6 356 /* TODO. */
357
102f1239 358 serial_source_add(sdi->session, devc->serial, G_IO_IN, -1,
695dc859 359 mso_receive_data, sdi);
df92e5cf 360
361 return SR_OK;
362}
363
695dc859 364static int dev_acquisition_stop(struct sr_dev_inst *sdi)
df92e5cf 365{
df92e5cf 366 stop_acquisition(sdi);
367
368 return SR_OK;
369}
370
dd5c48a6 371static struct sr_dev_driver link_mso19_driver_info = {
df92e5cf 372 .name = "link-mso19",
373 .longname = "Link Instruments MSO-19",
374 .api_version = 1,
c2fdcc25 375 .init = std_init,
700d6b64 376 .cleanup = std_cleanup,
6078d2c9 377 .scan = scan,
c01bf34c 378 .dev_list = std_dev_list,
f778bf02 379 .dev_clear = std_dev_clear,
035a1078
BV
380 .config_get = config_get,
381 .config_set = config_set,
a1c743fc 382 .config_list = config_list,
6078d2c9 383 .dev_open = dev_open,
bf2c987f 384 .dev_close = std_serial_dev_close,
6078d2c9
UH
385 .dev_acquisition_start = dev_acquisition_start,
386 .dev_acquisition_stop = dev_acquisition_stop,
41812aca 387 .context = NULL,
df92e5cf 388};
dd5c48a6 389SR_REGISTER_DEV_DRIVER(link_mso19_driver_info);