2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 Marc Schink <sigrok-dev@marcschink.de>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 static const uint32_t drvopts[] = {
24 SR_CONF_LOGIC_ANALYZER,
27 static const uint32_t devopts[] = {
28 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET | SR_CONF_LIST,
29 SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
30 SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
31 SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
34 static const int32_t trigger_matches[] = {
40 SR_PRIV const uint64_t sl2_samplerates[NUM_SAMPLERATES] = {
54 static const char *channel_names[] = {
58 static GSList *scan(struct sr_dev_driver *di, GSList *options)
60 GSList *usb_devices, *devices, *l;
61 struct drv_context *drvc;
62 struct sr_dev_inst *sdi;
63 struct dev_context *devc;
64 struct sr_usb_dev_inst *usb;
65 struct device_info dev_info;
74 usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, USB_VID_PID);
79 for (l = usb_devices; l; l = l->next) {
82 if ((ret = sl2_get_device_info(di, *usb, &dev_info)) < 0) {
83 sr_warn("Failed to get device information: %d.", ret);
84 sr_usb_dev_inst_free(usb);
88 devc = g_malloc0(sizeof(struct dev_context));
90 if (!(devc->xfer_in = libusb_alloc_transfer(0))) {
91 sr_err("Transfer malloc failed.");
92 sr_usb_dev_inst_free(usb);
97 if (!(devc->xfer_out = libusb_alloc_transfer(0))) {
98 sr_err("Transfer malloc failed.");
99 sr_usb_dev_inst_free(usb);
100 libusb_free_transfer(devc->xfer_in);
105 sdi = g_malloc0(sizeof(struct sr_dev_inst));
106 sdi->status = SR_ST_INACTIVE;
107 sdi->vendor = g_strdup("IKALOGIC");
108 sdi->model = g_strdup("Scanalogic-2");
109 sdi->version = g_strdup_printf("%u.%u", dev_info.fw_ver_major, dev_info.fw_ver_minor);
110 sdi->serial_num = g_strdup_printf("%d", dev_info.serial);
112 sdi->inst_type = SR_INST_USB;
115 for (i = 0; i < ARRAY_SIZE(channel_names); i++)
116 devc->channels[i] = sr_channel_new(sdi, i,
117 SR_CHANNEL_LOGIC, TRUE, channel_names[i]);
119 devc->state = STATE_IDLE;
120 devc->next_state = STATE_IDLE;
122 /* Set default samplerate. */
123 sl2_set_samplerate(sdi, DEFAULT_SAMPLERATE);
125 /* Set default capture ratio. */
126 devc->capture_ratio = 0;
128 /* Set default after trigger delay. */
129 devc->after_trigger_delay = 0;
131 memset(devc->xfer_buf_in, 0, LIBUSB_CONTROL_SETUP_SIZE +
133 memset(devc->xfer_buf_out, 0, LIBUSB_CONTROL_SETUP_SIZE +
136 libusb_fill_control_setup(devc->xfer_buf_in,
137 USB_REQUEST_TYPE_IN, USB_HID_GET_REPORT,
138 USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE,
140 libusb_fill_control_setup(devc->xfer_buf_out,
141 USB_REQUEST_TYPE_OUT, USB_HID_SET_REPORT,
142 USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE,
145 devc->xfer_data_in = devc->xfer_buf_in +
146 LIBUSB_CONTROL_SETUP_SIZE;
147 devc->xfer_data_out = devc->xfer_buf_out +
148 LIBUSB_CONTROL_SETUP_SIZE;
150 devices = g_slist_append(devices, sdi);
153 g_slist_free(usb_devices);
155 return std_scan_complete(di, devices);
158 static void clear_helper(struct dev_context *devc)
160 libusb_free_transfer(devc->xfer_in);
161 libusb_free_transfer(devc->xfer_out);
164 static int dev_clear(const struct sr_dev_driver *di)
166 return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
169 static int dev_open(struct sr_dev_inst *sdi)
171 struct sr_dev_driver *di = sdi->driver;
172 struct drv_context *drvc = di->context;
173 struct dev_context *devc;
174 struct sr_usb_dev_inst *usb;
175 uint8_t buffer[PACKET_LENGTH];
181 if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
184 if (libusb_kernel_driver_active(usb->devhdl, USB_INTERFACE) == 1) {
185 ret = libusb_detach_kernel_driver(usb->devhdl, USB_INTERFACE);
187 sr_err("Failed to detach kernel driver: %s.",
188 libusb_error_name(ret));
193 if ((ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE)) < 0) {
194 sr_err("Failed to claim interface: %s.",
195 libusb_error_name(ret));
199 libusb_fill_control_transfer(devc->xfer_in, usb->devhdl,
200 devc->xfer_buf_in, sl2_receive_transfer_in,
201 sdi, USB_TIMEOUT_MS);
203 libusb_fill_control_transfer(devc->xfer_out, usb->devhdl,
204 devc->xfer_buf_out, sl2_receive_transfer_out,
205 sdi, USB_TIMEOUT_MS);
207 memset(buffer, 0, sizeof(buffer));
209 buffer[0] = CMD_RESET;
210 if ((ret = sl2_transfer_out(usb->devhdl, buffer)) != PACKET_LENGTH) {
211 sr_err("Device reset failed: %s.", libusb_error_name(ret));
216 * Set the device to idle state. If the device is not in idle state it
217 * possibly will reset itself after a few seconds without being used
218 * and thereby close the connection.
220 buffer[0] = CMD_IDLE;
221 if ((ret = sl2_transfer_out(usb->devhdl, buffer)) != PACKET_LENGTH) {
222 sr_err("Failed to set device in idle state: %s.",
223 libusb_error_name(ret));
230 static int dev_close(struct sr_dev_inst *sdi)
232 struct sr_usb_dev_inst *usb;
239 libusb_release_interface(usb->devhdl, USB_INTERFACE);
240 libusb_close(usb->devhdl);
247 static int config_get(uint32_t key, GVariant **data,
248 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
250 struct dev_context *devc;
257 case SR_CONF_SAMPLERATE:
258 *data = g_variant_new_uint64(devc->samplerate);
260 case SR_CONF_CAPTURE_RATIO:
261 *data = g_variant_new_uint64(devc->capture_ratio);
270 static int config_set(uint32_t key, GVariant *data,
271 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
273 struct dev_context *devc;
274 uint64_t samplerate, limit_samples;
281 case SR_CONF_LIMIT_SAMPLES:
282 limit_samples = g_variant_get_uint64(data);
283 return sl2_set_limit_samples(sdi, limit_samples);
284 case SR_CONF_SAMPLERATE:
285 samplerate = g_variant_get_uint64(data);
286 return sl2_set_samplerate(sdi, samplerate);
287 case SR_CONF_CAPTURE_RATIO:
288 devc->capture_ratio = g_variant_get_uint64(data);
297 static int config_list(uint32_t key, GVariant **data,
298 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
301 case SR_CONF_DEVICE_OPTIONS:
302 return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
303 case SR_CONF_SAMPLERATE:
304 *data = std_gvar_samplerates(ARRAY_AND_SIZE(sl2_samplerates));
306 case SR_CONF_TRIGGER_MATCH:
307 *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches));
309 case SR_CONF_LIMIT_SAMPLES:
310 *data = std_gvar_tuple_u64(0, MAX_SAMPLES);
319 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
321 struct sr_dev_driver *di = sdi->driver;
322 struct drv_context *drvc;
323 struct dev_context *devc;
324 uint16_t trigger_bytes, tmp;
331 devc->wait_data_ready_locked = TRUE;
332 devc->stopping_in_progress = FALSE;
333 devc->transfer_error = FALSE;
334 devc->samples_processed = 0;
336 devc->sample_packet = 0;
339 * The trigger must be configured first because the calculation of the
340 * pre and post trigger samples depends on a configured trigger.
342 sl2_convert_trigger(sdi);
343 sl2_calculate_trigger_samples(sdi);
345 trigger_bytes = devc->pre_trigger_bytes + devc->post_trigger_bytes;
347 /* Calculate the number of expected sample packets. */
348 devc->num_sample_packets = trigger_bytes / PACKET_NUM_SAMPLE_BYTES;
350 /* Round up the number of expected sample packets. */
351 if (trigger_bytes % PACKET_NUM_SAMPLE_BYTES != 0)
352 devc->num_sample_packets++;
354 devc->num_enabled_channels = 0;
357 * Count the number of enabled channels and number them for a sequential
360 for (i = 0, j = 0; i < NUM_CHANNELS; i++) {
361 if (devc->channels[i]->enabled) {
362 devc->num_enabled_channels++;
363 devc->channel_map[j] = i;
368 sr_dbg("Number of enabled channels: %i.", devc->num_enabled_channels);
370 /* Set up the transfer buffer for the acquisition. */
371 devc->xfer_data_out[0] = CMD_SAMPLE;
372 devc->xfer_data_out[1] = 0x00;
374 tmp = GUINT16_TO_LE(devc->pre_trigger_bytes);
375 memcpy(devc->xfer_data_out + 2, &tmp, sizeof(tmp));
377 tmp = GUINT16_TO_LE(devc->post_trigger_bytes);
378 memcpy(devc->xfer_data_out + 4, &tmp, sizeof(tmp));
380 devc->xfer_data_out[6] = devc->samplerate_id;
381 devc->xfer_data_out[7] = devc->trigger_type;
382 devc->xfer_data_out[8] = devc->trigger_channel;
383 devc->xfer_data_out[9] = 0x00;
385 tmp = GUINT16_TO_LE(devc->after_trigger_delay);
386 memcpy(devc->xfer_data_out + 10, &tmp, sizeof(tmp));
388 if ((ret = libusb_submit_transfer(devc->xfer_out)) != 0) {
389 sr_err("Submit transfer failed: %s.", libusb_error_name(ret));
393 usb_source_add(sdi->session, drvc->sr_ctx, 100,
394 ikalogic_scanalogic2_receive_data, (void *)sdi);
396 std_session_send_df_header(sdi);
398 devc->next_state = STATE_SAMPLE;
403 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
405 sdi->status = SR_ST_STOPPING;
410 static struct sr_dev_driver ikalogic_scanalogic2_driver_info = {
411 .name = "ikalogic-scanalogic2",
412 .longname = "IKALOGIC Scanalogic-2",
415 .cleanup = std_cleanup,
417 .dev_list = std_dev_list,
418 .dev_clear = dev_clear,
419 .config_get = config_get,
420 .config_set = config_set,
421 .config_list = config_list,
422 .dev_open = dev_open,
423 .dev_close = dev_close,
424 .dev_acquisition_start = dev_acquisition_start,
425 .dev_acquisition_stop = dev_acquisition_stop,
428 SR_REGISTER_DEV_DRIVER(ikalogic_scanalogic2_driver_info);