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[] = {
25 SR_CONF_LOGIC_ANALYZER,
27 SR_CONF_TRIGGER_SLOPE,
28 SR_CONF_HORIZ_TRIGGERPOS,
29 // SR_CONF_CAPTURE_RATIO,
30 SR_CONF_LIMIT_SAMPLES,
36 * Probes are numbered 0 to 7.
38 * See also: http://www.linkinstruments.com/images/mso19_1113.gif
40 SR_PRIV const char *mso19_probe_names[NUM_PROBES + 1] = {
41 "0", "1", "2", "3", "4", "5", "6", "7", NULL
44 static const struct sr_samplerates samplerates = {
51 SR_PRIV struct sr_dev_driver link_mso19_driver_info;
52 static struct sr_dev_driver *di = &link_mso19_driver_info;
54 static int hw_init(struct sr_context *sr_ctx)
56 return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
59 static GSList *hw_scan(GSList *options)
62 GSList *devices = NULL;
63 const char *conn = NULL;
64 const char *serialcomm = NULL;
66 struct sr_config *src;
71 for (l = options; l; l = l->next) {
77 case SR_CONF_SERIALCOMM:
78 serialcomm = src->value;
84 if (serialcomm == NULL)
85 serialcomm = SERIALCOMM;
89 sr_err("Failed to initialize udev.");
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;
97 for (dev_list_entry = devs;
98 dev_list_entry != NULL;
99 dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
100 const char *syspath = udev_list_entry_get_name(dev_list_entry);
101 struct udev_device *dev =
102 udev_device_new_from_syspath(udev, syspath);
103 const char *sysname = udev_device_get_sysname(dev);
104 struct udev_device *parent =
105 udev_device_get_parent_with_subsystem_devtype(dev, "usb",
109 sr_err("Unable to find parent usb device for %s",
114 const char *idVendor =
115 udev_device_get_sysattr_value(parent, "idVendor");
116 const char *idProduct =
117 udev_device_get_sysattr_value(parent, "idProduct");
118 if (strcmp(USB_VENDOR, idVendor)
119 || strcmp(USB_PRODUCT, idProduct))
122 const char *iSerial =
123 udev_device_get_sysattr_value(parent, "serial");
124 const char *iProduct =
125 udev_device_get_sysattr_value(parent, "product");
128 snprintf(path, sizeof(path), "/dev/%s", sysname);
131 size_t s = strcspn(iProduct, " ");
133 char manufacturer[32];
134 if (s > sizeof(product) ||
135 strlen(iProduct) - s > sizeof(manufacturer)) {
136 sr_err("Could not parse iProduct: %s.", iProduct);
139 strncpy(product, iProduct, s);
141 strcpy(manufacturer, iProduct + s + 1);
143 //Create the device context and set its params
144 struct dev_context *devc;
145 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
146 sr_err("Device context malloc failed.");
150 if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
151 sr_err("Invalid iSerial: %s.", iSerial);
157 sprintf(hwrev, "r%d", devc->hwrev);
159 devc->protocol_trigger.spimode = 0;
160 for (i = 0; i < 4; i++) {
161 devc->protocol_trigger.word[i] = 0;
162 devc->protocol_trigger.mask[i] = 0xff;
165 if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) {
170 struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
171 manufacturer, product, hwrev);
174 sr_err("Unable to create device instance for %s",
176 sr_dev_inst_free(sdi);
184 for (i = 0; i < NUM_PROBES; i++) {
185 struct sr_probe *probe;
186 if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
187 mso19_probe_names[i])))
189 sdi->probes = g_slist_append(sdi->probes, probe);
193 struct drv_context *drvc = di->priv;
194 drvc->instances = g_slist_append(drvc->instances, sdi);
195 devices = g_slist_append(devices, sdi);
201 static GSList *hw_dev_list(void)
203 return ((struct drv_context *)(di->priv))->instances;
206 static int hw_dev_open(struct sr_dev_inst *sdi)
209 struct dev_context *devc;
213 if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
216 sdi->status = SR_ST_ACTIVE;
218 /* FIXME: discard serial buffer */
219 mso_check_trigger(devc->serial, &devc->trigger_state);
220 sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
222 ret = mso_reset_adc(sdi);
226 mso_check_trigger(devc->serial, &devc->trigger_state);
227 sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
229 // ret = mso_reset_fsm(sdi);
237 static int hw_dev_close(struct sr_dev_inst *sdi)
239 struct dev_context *devc;
243 if (devc->serial && devc->serial->fd != -1) {
244 serial_close(devc->serial);
245 sdi->status = SR_ST_INACTIVE;
251 static int hw_cleanup(void)
254 struct sr_dev_inst *sdi;
255 struct drv_context *drvc;
256 struct dev_context *devc;
259 if (!(drvc = di->priv))
262 /* Properly close and free all devices. */
263 for (l = drvc->instances; l; l = l->next) {
264 if (!(sdi = l->data)) {
265 /* Log error, but continue cleaning up the rest. */
266 sr_err("%s: sdi was NULL, continuing", __func__);
270 if (!(devc = sdi->priv)) {
271 /* Log error, but continue cleaning up the rest. */
272 sr_err("%s: sdi->priv was NULL, continuing", __func__);
277 sr_serial_dev_inst_free(devc->serial);
278 sr_dev_inst_free(sdi);
280 g_slist_free(drvc->instances);
281 drvc->instances = NULL;
286 static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
288 struct dev_context *devc;
291 case SR_CONF_SAMPLERATE:
294 *data = &devc->cur_rate;
305 static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
308 struct dev_context *devc;
309 uint64_t num_samples, slope;
315 if (sdi->status != SR_ST_ACTIVE)
319 case SR_CONF_SAMPLERATE:
321 return mso_configure_rate(sdi, *(const uint64_t *)value);
324 case SR_CONF_LIMIT_SAMPLES:
325 num_samples = *(uint64_t *)value;
326 if (num_samples < 1024) {
327 sr_err("minimum of 1024 samples required");
330 devc->limit_samples = num_samples;
331 sr_dbg("setting limit_samples to %i\n",
336 case SR_CONF_CAPTURE_RATIO:
339 case SR_CONF_TRIGGER_SLOPE:
340 slope = *(uint64_t *)value;
341 if (slope != SLOPE_NEGATIVE && slope != SLOPE_POSITIVE) {
342 sr_err("Invalid trigger slope");
345 devc->trigger_slope = slope;
349 case SR_CONF_HORIZ_TRIGGERPOS:
350 pos = *(float *)value;
351 if (pos < 0 || pos > 255) {
352 sr_err("Trigger position (%f) should be between 0 and 255.", pos);
355 trigger_pos = (int)pos;
356 devc->trigger_holdoff[0] = trigger_pos & 0xff;
371 static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
377 case SR_CONF_DEVICE_OPTIONS:
380 case SR_CONF_SAMPLERATE:
381 *data = &samplerates;
383 case SR_CONF_TRIGGER_TYPE:
384 *data = (char *)TRIGGER_TYPE;
393 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
396 struct dev_context *devc;
401 if (sdi->status != SR_ST_ACTIVE)
404 if (mso_configure_probes(sdi) != SR_OK) {
405 sr_err("Failed to configure probes.");
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 /* Send header packet to the session bus. */
447 std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
449 sr_source_add(devc->serial->fd, G_IO_IN, -1, mso_receive_data, cb_data);
454 /* This stops acquisition on ALL devices, ignoring dev_index. */
455 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
459 stop_acquisition(sdi);
464 SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
465 .name = "link-mso19",
466 .longname = "Link Instruments MSO-19",
469 .cleanup = hw_cleanup,
471 .dev_list = hw_dev_list,
472 .dev_clear = hw_cleanup,
473 .config_get = config_get,
474 .config_set = config_set,
475 .config_list = config_list,
476 .dev_open = hw_dev_open,
477 .dev_close = hw_dev_close,
478 .dev_acquisition_start = hw_dev_acquisition_start,
479 .dev_acquisition_stop = hw_dev_acquisition_stop,