2 * This file is part of the libsigrok project.
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>
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.
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.
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/>.
25 static const uint32_t devopts[] = {
27 SR_CONF_LOGIC_ANALYZER,
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,
38 * Channels are numbered 0 to 7.
40 * See also: http://www.linkinstruments.com/images/mso19_1113.gif
42 static const char *channel_names[] = {
43 /* Note: DSO needs to be first. */
44 "DSO", "0", "1", "2", "3", "4", "5", "6", "7",
47 static const uint64_t samplerates[] = {
53 SR_PRIV struct sr_dev_driver link_mso19_driver_info;
55 /* TODO: Use sr_dev_inst to store connection handle & use std_dev_clear(). */
56 static int dev_clear(const struct sr_dev_driver *di)
59 struct sr_dev_inst *sdi;
60 struct drv_context *drvc;
61 struct dev_context *devc;
64 if (!(drvc = di->context))
67 /* Properly close and free all devices. */
68 for (l = drvc->instances; l; l = l->next) {
69 if (!(sdi = l->data)) {
70 /* Log error, but continue cleaning up the rest. */
71 sr_err("%s: sdi was NULL, continuing", __func__);
75 if (!(devc = sdi->priv)) {
76 /* Log error, but continue cleaning up the rest. */
77 sr_err("%s: sdi->priv was NULL, continuing", __func__);
81 std_serial_dev_close(sdi);
82 sr_serial_dev_inst_free(devc->serial);
83 sr_dev_inst_free(sdi);
85 g_slist_free(drvc->instances);
86 drvc->instances = NULL;
91 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
93 return std_init(sr_ctx, di, LOG_PREFIX);
96 static GSList *scan(struct sr_dev_driver *di, GSList *options)
99 GSList *devices = NULL;
100 const char *conn = NULL;
101 const char *serialcomm = NULL;
103 struct sr_config *src;
107 for (l = options; l; l = l->next) {
111 conn = g_variant_get_string(src->data, NULL);
113 case SR_CONF_SERIALCOMM:
114 serialcomm = g_variant_get_string(src->data, NULL);
121 serialcomm = SERIALCOMM;
125 sr_err("Failed to initialize udev.");
128 struct udev_enumerate *enumerate = udev_enumerate_new(udev);
129 udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
130 udev_enumerate_scan_devices(enumerate);
131 struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
132 struct udev_list_entry *dev_list_entry;
133 for (dev_list_entry = devs;
134 dev_list_entry != NULL;
135 dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
136 const char *syspath = udev_list_entry_get_name(dev_list_entry);
137 struct udev_device *dev =
138 udev_device_new_from_syspath(udev, syspath);
139 const char *sysname = udev_device_get_sysname(dev);
140 struct udev_device *parent =
141 udev_device_get_parent_with_subsystem_devtype(dev, "usb",
145 sr_err("Unable to find parent usb device for %s",
150 const char *idVendor =
151 udev_device_get_sysattr_value(parent, "idVendor");
152 const char *idProduct =
153 udev_device_get_sysattr_value(parent, "idProduct");
154 if (strcmp(USB_VENDOR, idVendor)
155 || strcmp(USB_PRODUCT, idProduct))
158 const char *iSerial =
159 udev_device_get_sysattr_value(parent, "serial");
160 const char *iProduct =
161 udev_device_get_sysattr_value(parent, "product");
164 snprintf(path, sizeof(path), "/dev/%s", sysname);
167 size_t s = strcspn(iProduct, " ");
169 char manufacturer[32];
170 if (s > sizeof(product) ||
171 strlen(iProduct) - s > sizeof(manufacturer)) {
172 sr_err("Could not parse iProduct: %s.", iProduct);
175 strncpy(product, iProduct, s);
177 strcpy(manufacturer, iProduct + s + 1);
179 //Create the device context and set its params
180 struct dev_context *devc;
181 devc = g_malloc0(sizeof(struct dev_context));
183 if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
184 sr_err("Invalid iSerial: %s.", iSerial);
190 sprintf(hwrev, "r%d", devc->hwrev);
192 devc->protocol_trigger.spimode = 0;
193 for (i = 0; i < 4; i++) {
194 devc->protocol_trigger.word[i] = 0;
195 devc->protocol_trigger.mask[i] = 0xff;
198 devc->serial = sr_serial_dev_inst_new(conn, serialcomm);
200 struct sr_dev_inst *sdi = g_malloc0(sizeof(struct sr_dev_inst));
201 sdi->status = SR_ST_INACTIVE;
202 sdi->vendor = g_strdup(manufacturer);
203 sdi->model = g_strdup(product);
204 sdi->version = g_strdup(hwrev);
207 sr_err("Unable to create device instance for %s",
209 sr_dev_inst_free(sdi);
217 for (i = 0; i < ARRAY_SIZE(channel_names); i++) {
218 chtype = (i == 0) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC;
219 sr_channel_new(sdi, i, chtype, TRUE, channel_names[i]);
223 struct drv_context *drvc = di->context;
224 drvc->instances = g_slist_append(drvc->instances, sdi);
225 devices = g_slist_append(devices, sdi);
231 static GSList *dev_list(const struct sr_dev_driver *di)
233 return ((struct drv_context *)(di->context))->instances;
236 static int dev_open(struct sr_dev_inst *sdi)
239 struct dev_context *devc;
243 if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
246 sdi->status = SR_ST_ACTIVE;
248 /* FIXME: discard serial buffer */
249 mso_check_trigger(devc->serial, &devc->trigger_state);
250 sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
252 ret = mso_reset_adc(sdi);
256 mso_check_trigger(devc->serial, &devc->trigger_state);
257 sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
259 // ret = mso_reset_fsm(sdi);
267 static int cleanup(const struct sr_dev_driver *di)
272 static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
273 const struct sr_channel_group *cg)
275 struct dev_context *devc;
280 case SR_CONF_SAMPLERATE:
283 *data = g_variant_new_uint64(devc->cur_rate);
294 static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
295 const struct sr_channel_group *cg)
298 struct dev_context *devc;
299 uint64_t num_samples;
307 if (sdi->status != SR_ST_ACTIVE)
308 return SR_ERR_DEV_CLOSED;
311 case SR_CONF_SAMPLERATE:
313 return mso_configure_rate(sdi, g_variant_get_uint64(data));
316 case SR_CONF_LIMIT_SAMPLES:
317 num_samples = g_variant_get_uint64(data);
318 if (num_samples != 1024) {
319 sr_err("Only 1024 samples are supported.");
322 devc->limit_samples = num_samples;
326 case SR_CONF_CAPTURE_RATIO:
329 case SR_CONF_TRIGGER_SLOPE:
330 slope = g_variant_get_string(data, NULL);
332 if (!slope || !(slope[0] == 'f' || slope[0] == 'r'))
333 sr_err("Invalid trigger slope");
336 devc->trigger_slope = (slope[0] == 'r')
337 ? SLOPE_POSITIVE : SLOPE_NEGATIVE;
341 case SR_CONF_HORIZ_TRIGGERPOS:
342 pos = g_variant_get_double(data);
343 if (pos < 0 || pos > 255) {
344 sr_err("Trigger position (%f) should be between 0 and 255.", pos);
347 trigger_pos = (int)pos;
348 devc->trigger_holdoff[0] = trigger_pos & 0xff;
363 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
364 const struct sr_channel_group *cg)
373 case SR_CONF_DEVICE_OPTIONS:
374 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
375 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
377 case SR_CONF_SAMPLERATE:
378 g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
379 gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
380 ARRAY_SIZE(samplerates), sizeof(uint64_t));
381 g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar);
382 *data = g_variant_builder_end(&gvb);
384 case SR_CONF_TRIGGER_TYPE:
385 *data = g_variant_new_string(TRIGGER_TYPE);
394 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
396 struct dev_context *devc;
399 if (sdi->status != SR_ST_ACTIVE)
400 return SR_ERR_DEV_CLOSED;
404 if (mso_configure_channels(sdi) != SR_OK) {
405 sr_err("Failed to configure channels.");
409 /* FIXME: No need to do full reconfigure every time */
410 // ret = mso_reset_fsm(sdi);
414 /* FIXME: ACDC Mode */
415 devc->ctlbase1 &= 0x7f;
416 // devc->ctlbase1 |= devc->acdcmode;
418 ret = mso_configure_rate(sdi, devc->cur_rate);
423 ret = mso_dac_out(sdi, devc->dac_offset);
427 ret = mso_configure_threshold_level(sdi);
431 ret = mso_configure_trigger(sdi);
435 /* END of config hardware part */
440 /* Start acquisition on the device. */
441 mso_check_trigger(devc->serial, &devc->trigger_state);
442 ret = mso_check_trigger(devc->serial, NULL);
446 /* Reset trigger state. */
447 devc->trigger_state = 0x00;
449 /* Send header packet to the session bus. */
450 std_session_send_df_header(cb_data, LOG_PREFIX);
452 /* Our first channel is analog, the other 8 are of type 'logic'. */
455 serial_source_add(sdi->session, devc->serial, G_IO_IN, -1,
456 mso_receive_data, cb_data);
461 /* This stops acquisition on ALL devices, ignoring dev_index. */
462 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
466 stop_acquisition(sdi);
471 SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
472 .name = "link-mso19",
473 .longname = "Link Instruments MSO-19",
478 .dev_list = dev_list,
479 .dev_clear = dev_clear,
480 .config_get = config_get,
481 .config_set = config_set,
482 .config_list = config_list,
483 .dev_open = dev_open,
484 .dev_close = std_serial_dev_close,
485 .dev_acquisition_start = dev_acquisition_start,
486 .dev_acquisition_stop = dev_acquisition_stop,