2 * This file is part of the sigrok 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/>.
24 static const int hwcaps[] = {
26 SR_CONF_LOGIC_ANALYZER,
28 SR_CONF_TRIGGER_SLOPE,
29 SR_CONF_HORIZ_TRIGGERPOS,
30 // SR_CONF_CAPTURE_RATIO,
31 SR_CONF_LIMIT_SAMPLES,
37 * Probes are numbered 0 to 7.
39 * See also: http://www.linkinstruments.com/images/mso19_1113.gif
41 SR_PRIV const char *mso19_probe_names[NUM_PROBES + 1] = {
42 /* Note: DSO needs to be first. */
43 "DSO", "0", "1", "2", "3", "4", "5", "6", "7", NULL,
46 static const struct sr_samplerates samplerates = {
53 SR_PRIV struct sr_dev_driver link_mso19_driver_info;
54 static struct sr_dev_driver *di = &link_mso19_driver_info;
56 static int hw_init(struct sr_context *sr_ctx)
58 return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
61 static GSList *hw_scan(GSList *options)
64 GSList *devices = NULL;
65 const char *conn = NULL;
66 const char *serialcomm = NULL;
68 struct sr_config *src;
74 for (l = options; l; l = l->next) {
80 case SR_CONF_SERIALCOMM:
81 serialcomm = src->value;
87 if (serialcomm == NULL)
88 serialcomm = SERIALCOMM;
92 sr_err("Failed to initialize udev.");
95 struct udev_enumerate *enumerate = udev_enumerate_new(udev);
96 udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
97 udev_enumerate_scan_devices(enumerate);
98 struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
99 struct udev_list_entry *dev_list_entry;
100 for (dev_list_entry = devs;
101 dev_list_entry != NULL;
102 dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
103 const char *syspath = udev_list_entry_get_name(dev_list_entry);
104 struct udev_device *dev =
105 udev_device_new_from_syspath(udev, syspath);
106 const char *sysname = udev_device_get_sysname(dev);
107 struct udev_device *parent =
108 udev_device_get_parent_with_subsystem_devtype(dev, "usb",
112 sr_err("Unable to find parent usb device for %s",
117 const char *idVendor =
118 udev_device_get_sysattr_value(parent, "idVendor");
119 const char *idProduct =
120 udev_device_get_sysattr_value(parent, "idProduct");
121 if (strcmp(USB_VENDOR, idVendor)
122 || strcmp(USB_PRODUCT, idProduct))
125 const char *iSerial =
126 udev_device_get_sysattr_value(parent, "serial");
127 const char *iProduct =
128 udev_device_get_sysattr_value(parent, "product");
131 snprintf(path, sizeof(path), "/dev/%s", sysname);
134 size_t s = strcspn(iProduct, " ");
136 char manufacturer[32];
137 if (s > sizeof(product) ||
138 strlen(iProduct) - s > sizeof(manufacturer)) {
139 sr_err("Could not parse iProduct: %s.", iProduct);
142 strncpy(product, iProduct, s);
144 strcpy(manufacturer, iProduct + s + 1);
146 //Create the device context and set its params
147 struct dev_context *devc;
148 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
149 sr_err("Device context malloc failed.");
153 if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
154 sr_err("Invalid iSerial: %s.", iSerial);
160 sprintf(hwrev, "r%d", devc->hwrev);
162 devc->protocol_trigger.spimode = 0;
163 for (i = 0; i < 4; i++) {
164 devc->protocol_trigger.word[i] = 0;
165 devc->protocol_trigger.mask[i] = 0xff;
168 if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) {
173 struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
174 manufacturer, product, hwrev);
177 sr_err("Unable to create device instance for %s",
179 sr_dev_inst_free(sdi);
187 for (i = 0; i < NUM_PROBES; i++) {
188 struct sr_probe *probe;
189 ptype = (i == 0) ? SR_PROBE_ANALOG : SR_PROBE_LOGIC;
190 if (!(probe = sr_probe_new(i, ptype, TRUE,
191 mso19_probe_names[i])))
193 sdi->probes = g_slist_append(sdi->probes, probe);
197 struct drv_context *drvc = di->priv;
198 drvc->instances = g_slist_append(drvc->instances, sdi);
199 devices = g_slist_append(devices, sdi);
205 static GSList *hw_dev_list(void)
207 return ((struct drv_context *)(di->priv))->instances;
210 static int hw_dev_open(struct sr_dev_inst *sdi)
213 struct dev_context *devc;
217 if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
220 sdi->status = SR_ST_ACTIVE;
222 /* FIXME: discard serial buffer */
223 mso_check_trigger(devc->serial, &devc->trigger_state);
224 sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
226 ret = mso_reset_adc(sdi);
230 mso_check_trigger(devc->serial, &devc->trigger_state);
231 sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
233 // ret = mso_reset_fsm(sdi);
241 static int hw_dev_close(struct sr_dev_inst *sdi)
243 struct dev_context *devc;
247 if (devc->serial && devc->serial->fd != -1) {
248 serial_close(devc->serial);
249 sdi->status = SR_ST_INACTIVE;
255 static int hw_cleanup(void)
258 struct sr_dev_inst *sdi;
259 struct drv_context *drvc;
260 struct dev_context *devc;
263 if (!(drvc = di->priv))
266 /* Properly close and free all devices. */
267 for (l = drvc->instances; l; l = l->next) {
268 if (!(sdi = l->data)) {
269 /* Log error, but continue cleaning up the rest. */
270 sr_err("%s: sdi was NULL, continuing", __func__);
274 if (!(devc = sdi->priv)) {
275 /* Log error, but continue cleaning up the rest. */
276 sr_err("%s: sdi->priv was NULL, continuing", __func__);
281 sr_serial_dev_inst_free(devc->serial);
282 sr_dev_inst_free(sdi);
284 g_slist_free(drvc->instances);
285 drvc->instances = NULL;
290 static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
292 struct dev_context *devc;
295 case SR_CONF_SAMPLERATE:
298 *data = &devc->cur_rate;
309 static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
312 struct dev_context *devc;
313 uint64_t num_samples, slope;
319 if (sdi->status != SR_ST_ACTIVE)
323 case SR_CONF_SAMPLERATE:
325 return mso_configure_rate(sdi, *(const uint64_t *)value);
328 case SR_CONF_LIMIT_SAMPLES:
329 num_samples = *(uint64_t *)value;
330 if (num_samples != 1024) {
331 sr_err("Only 1024 samples are supported.");
334 devc->limit_samples = num_samples;
335 sr_dbg("setting limit_samples to %i\n",
340 case SR_CONF_CAPTURE_RATIO:
343 case SR_CONF_TRIGGER_SLOPE:
344 slope = *(uint64_t *)value;
345 if (slope != SLOPE_NEGATIVE && slope != SLOPE_POSITIVE) {
346 sr_err("Invalid trigger slope");
349 devc->trigger_slope = slope;
353 case SR_CONF_HORIZ_TRIGGERPOS:
354 pos = *(float *)value;
355 if (pos < 0 || pos > 255) {
356 sr_err("Trigger position (%f) should be between 0 and 255.", pos);
359 trigger_pos = (int)pos;
360 devc->trigger_holdoff[0] = trigger_pos & 0xff;
375 static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
381 case SR_CONF_DEVICE_OPTIONS:
384 case SR_CONF_SAMPLERATE:
385 *data = &samplerates;
387 case SR_CONF_TRIGGER_TYPE:
388 *data = (char *)TRIGGER_TYPE;
397 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
400 struct dev_context *devc;
405 if (sdi->status != SR_ST_ACTIVE)
408 if (mso_configure_probes(sdi) != SR_OK) {
409 sr_err("Failed to configure probes.");
413 /* FIXME: No need to do full reconfigure every time */
414 // ret = mso_reset_fsm(sdi);
418 /* FIXME: ACDC Mode */
419 devc->ctlbase1 &= 0x7f;
420 // devc->ctlbase1 |= devc->acdcmode;
422 ret = mso_configure_rate(sdi, devc->cur_rate);
427 ret = mso_dac_out(sdi, devc->dac_offset);
431 ret = mso_configure_threshold_level(sdi);
435 ret = mso_configure_trigger(sdi);
439 /* END of config hardware part */
444 /* Start acquisition on the device. */
445 mso_check_trigger(devc->serial, &devc->trigger_state);
446 ret = mso_check_trigger(devc->serial, NULL);
450 /* Reset trigger state. */
451 devc->trigger_state = 0x00;
453 /* Send header packet to the session bus. */
454 std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
456 /* Our first probe is analog, the other 8 are of type 'logic'. */
459 sr_source_add(devc->serial->fd, G_IO_IN, -1, mso_receive_data, cb_data);
464 /* This stops acquisition on ALL devices, ignoring dev_index. */
465 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
469 stop_acquisition(sdi);
474 SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
475 .name = "link-mso19",
476 .longname = "Link Instruments MSO-19",
479 .cleanup = hw_cleanup,
481 .dev_list = hw_dev_list,
482 .dev_clear = hw_cleanup,
483 .config_get = config_get,
484 .config_set = config_set,
485 .config_list = config_list,
486 .dev_open = hw_dev_open,
487 .dev_close = hw_dev_close,
488 .dev_acquisition_start = hw_dev_acquisition_start,
489 .dev_acquisition_stop = hw_dev_acquisition_stop,