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)
58 struct drv_context *drvc = di->context;
60 struct sr_dev_inst *sdi;
61 struct dev_context *devc;
64 /* Properly close and free all devices. */
65 for (l = drvc->instances; l; l = l->next) {
66 if (!(sdi = l->data)) {
67 /* Log error, but continue cleaning up the rest. */
68 sr_err("%s: sdi was NULL, continuing", __func__);
72 if (!(devc = sdi->priv)) {
73 /* Log error, but continue cleaning up the rest. */
74 sr_err("%s: sdi->priv was NULL, continuing", __func__);
78 std_serial_dev_close(sdi);
79 sr_serial_dev_inst_free(devc->serial);
80 sr_dev_inst_free(sdi);
82 g_slist_free(drvc->instances);
83 drvc->instances = NULL;
88 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
90 return std_init(sr_ctx, di, LOG_PREFIX);
93 static GSList *scan(struct sr_dev_driver *di, GSList *options)
96 GSList *devices = NULL;
97 const char *conn = NULL;
98 const char *serialcomm = NULL;
100 struct sr_config *src;
104 for (l = options; l; l = l->next) {
108 conn = g_variant_get_string(src->data, NULL);
110 case SR_CONF_SERIALCOMM:
111 serialcomm = g_variant_get_string(src->data, NULL);
118 serialcomm = SERIALCOMM;
122 sr_err("Failed to initialize udev.");
125 struct udev_enumerate *enumerate = udev_enumerate_new(udev);
126 udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
127 udev_enumerate_scan_devices(enumerate);
128 struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
129 struct udev_list_entry *dev_list_entry;
130 for (dev_list_entry = devs;
131 dev_list_entry != NULL;
132 dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
133 const char *syspath = udev_list_entry_get_name(dev_list_entry);
134 struct udev_device *dev =
135 udev_device_new_from_syspath(udev, syspath);
136 const char *sysname = udev_device_get_sysname(dev);
137 struct udev_device *parent =
138 udev_device_get_parent_with_subsystem_devtype(dev, "usb",
142 sr_err("Unable to find parent usb device for %s",
147 const char *idVendor =
148 udev_device_get_sysattr_value(parent, "idVendor");
149 const char *idProduct =
150 udev_device_get_sysattr_value(parent, "idProduct");
151 if (strcmp(USB_VENDOR, idVendor)
152 || strcmp(USB_PRODUCT, idProduct))
155 const char *iSerial =
156 udev_device_get_sysattr_value(parent, "serial");
157 const char *iProduct =
158 udev_device_get_sysattr_value(parent, "product");
161 snprintf(path, sizeof(path), "/dev/%s", sysname);
164 size_t s = strcspn(iProduct, " ");
166 char manufacturer[32];
167 if (s > sizeof(product) ||
168 strlen(iProduct) - s > sizeof(manufacturer)) {
169 sr_err("Could not parse iProduct: %s.", iProduct);
172 strncpy(product, iProduct, s);
174 strcpy(manufacturer, iProduct + s + 1);
176 //Create the device context and set its params
177 struct dev_context *devc;
178 devc = g_malloc0(sizeof(struct dev_context));
180 if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
181 sr_err("Invalid iSerial: %s.", iSerial);
187 sprintf(hwrev, "r%d", devc->hwrev);
189 devc->protocol_trigger.spimode = 0;
190 for (i = 0; i < 4; i++) {
191 devc->protocol_trigger.word[i] = 0;
192 devc->protocol_trigger.mask[i] = 0xff;
195 devc->serial = sr_serial_dev_inst_new(conn, serialcomm);
197 struct sr_dev_inst *sdi = g_malloc0(sizeof(struct sr_dev_inst));
198 sdi->status = SR_ST_INACTIVE;
199 sdi->vendor = g_strdup(manufacturer);
200 sdi->model = g_strdup(product);
201 sdi->version = g_strdup(hwrev);
204 sr_err("Unable to create device instance for %s",
206 sr_dev_inst_free(sdi);
214 for (i = 0; i < ARRAY_SIZE(channel_names); i++) {
215 chtype = (i == 0) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC;
216 sr_channel_new(sdi, i, chtype, TRUE, channel_names[i]);
220 struct drv_context *drvc = di->context;
221 drvc->instances = g_slist_append(drvc->instances, sdi);
222 devices = g_slist_append(devices, sdi);
228 static int dev_open(struct sr_dev_inst *sdi)
231 struct dev_context *devc;
235 if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
238 sdi->status = SR_ST_ACTIVE;
240 /* FIXME: discard serial buffer */
241 mso_check_trigger(devc->serial, &devc->trigger_state);
242 sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
244 ret = mso_reset_adc(sdi);
248 mso_check_trigger(devc->serial, &devc->trigger_state);
249 sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
251 // ret = mso_reset_fsm(sdi);
259 static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
260 const struct sr_channel_group *cg)
262 struct dev_context *devc;
267 case SR_CONF_SAMPLERATE:
270 *data = g_variant_new_uint64(devc->cur_rate);
281 static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
282 const struct sr_channel_group *cg)
285 struct dev_context *devc;
286 uint64_t num_samples;
294 if (sdi->status != SR_ST_ACTIVE)
295 return SR_ERR_DEV_CLOSED;
298 case SR_CONF_SAMPLERATE:
300 return mso_configure_rate(sdi, g_variant_get_uint64(data));
303 case SR_CONF_LIMIT_SAMPLES:
304 num_samples = g_variant_get_uint64(data);
305 if (num_samples != 1024) {
306 sr_err("Only 1024 samples are supported.");
309 devc->limit_samples = num_samples;
313 case SR_CONF_CAPTURE_RATIO:
316 case SR_CONF_TRIGGER_SLOPE:
317 slope = g_variant_get_string(data, NULL);
319 if (!slope || !(slope[0] == 'f' || slope[0] == 'r'))
320 sr_err("Invalid trigger slope");
323 devc->trigger_slope = (slope[0] == 'r')
324 ? SLOPE_POSITIVE : SLOPE_NEGATIVE;
328 case SR_CONF_HORIZ_TRIGGERPOS:
329 pos = g_variant_get_double(data);
330 if (pos < 0 || pos > 255) {
331 sr_err("Trigger position (%f) should be between 0 and 255.", pos);
334 trigger_pos = (int)pos;
335 devc->trigger_holdoff[0] = trigger_pos & 0xff;
350 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
351 const struct sr_channel_group *cg)
360 case SR_CONF_DEVICE_OPTIONS:
361 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
362 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
364 case SR_CONF_SAMPLERATE:
365 g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
366 gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
367 ARRAY_SIZE(samplerates), sizeof(uint64_t));
368 g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar);
369 *data = g_variant_builder_end(&gvb);
371 case SR_CONF_TRIGGER_TYPE:
372 *data = g_variant_new_string(TRIGGER_TYPE);
381 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
383 struct dev_context *devc;
386 if (sdi->status != SR_ST_ACTIVE)
387 return SR_ERR_DEV_CLOSED;
391 if (mso_configure_channels(sdi) != SR_OK) {
392 sr_err("Failed to configure channels.");
396 /* FIXME: No need to do full reconfigure every time */
397 // ret = mso_reset_fsm(sdi);
401 /* FIXME: ACDC Mode */
402 devc->ctlbase1 &= 0x7f;
403 // devc->ctlbase1 |= devc->acdcmode;
405 ret = mso_configure_rate(sdi, devc->cur_rate);
410 ret = mso_dac_out(sdi, devc->dac_offset);
414 ret = mso_configure_threshold_level(sdi);
418 ret = mso_configure_trigger(sdi);
422 /* END of config hardware part */
427 /* Start acquisition on the device. */
428 mso_check_trigger(devc->serial, &devc->trigger_state);
429 ret = mso_check_trigger(devc->serial, NULL);
433 /* Reset trigger state. */
434 devc->trigger_state = 0x00;
436 std_session_send_df_header(sdi, LOG_PREFIX);
438 /* Our first channel is analog, the other 8 are of type 'logic'. */
441 serial_source_add(sdi->session, devc->serial, G_IO_IN, -1,
442 mso_receive_data, sdi);
447 /* This stops acquisition on ALL devices, ignoring dev_index. */
448 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
450 stop_acquisition(sdi);
455 SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
456 .name = "link-mso19",
457 .longname = "Link Instruments MSO-19",
460 .cleanup = std_cleanup,
462 .dev_list = std_dev_list,
463 .dev_clear = dev_clear,
464 .config_get = config_get,
465 .config_set = config_set,
466 .config_list = config_list,
467 .dev_open = dev_open,
468 .dev_close = std_serial_dev_close,
469 .dev_acquisition_start = dev_acquisition_start,
470 .dev_acquisition_stop = dev_acquisition_stop,