2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
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/>.
22 #include "libsigrok.h"
23 #include "libsigrok-internal.h"
26 #define OSCI_VENDOR "Nexus Computing"
27 #define OSCI_MODEL "OsciPrime"
28 #define OSCI_VERSION "1.0"
29 #define OSCI_FIRMWARE FIRMWARE_DIR "/nexus-osciprime.fw"
30 #define OSCI_VIDPID "04b4.1004"
32 static const int hwopts[] = {
38 static const int hwcaps[] = {
40 SR_CONF_LIMIT_SAMPLES,
47 static const struct sr_rational timebases[] = {
94 static const char *probe_names[] = {
99 static const struct sr_rational vdivs[] = {
108 SR_PRIV struct sr_dev_driver nexus_osciprime_driver_info;
109 static struct sr_dev_driver *di = &nexus_osciprime_driver_info;
110 static int hw_dev_close(struct sr_dev_inst *sdi);
112 /* Properly close and free all devices. */
113 static int clear_instances(void)
115 struct sr_dev_inst *sdi;
116 struct drv_context *drvc;
117 struct dev_context *devc;
120 if (!(drvc = di->priv))
123 for (l = drvc->instances; l; l = l->next) {
124 if (!(sdi = l->data))
126 if (!(devc = sdi->priv))
130 sr_usb_dev_inst_free(devc->usb);
131 sr_dev_inst_free(sdi);
134 g_slist_free(drvc->instances);
135 drvc->instances = NULL;
140 static int hw_init(struct sr_context *sr_ctx)
142 struct drv_context *drvc;
144 if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
145 sr_err("Driver context malloc failed.");
146 return SR_ERR_MALLOC;
149 drvc->sr_ctx = sr_ctx;
155 static GSList *hw_scan(GSList *options)
157 struct drv_context *drvc;
158 struct dev_context *devc;
159 struct sr_dev_inst *sdi;
160 struct sr_usb_dev_inst *usb;
161 struct sr_config *src;
162 struct sr_probe *probe;
164 GSList *usb_devices, *devices, *l;
170 if (!(drvc = di->priv)) {
171 sr_err("Driver was not initialized.");
175 /* USB scan is always authoritative. */
179 for (l = options; l; l = l->next) {
191 if ((usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
192 for (l = usb_devices; l; l = l->next) {
194 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
195 OSCI_VENDOR, OSCI_MODEL, OSCI_VERSION)))
198 for (i = 0; probe_names[i]; i++) {
199 if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
202 sdi->probes = g_slist_append(sdi->probes, probe);
205 if (!(devc = g_try_malloc0(sizeof(struct dev_context))))
210 if (strcmp(conn, OSCI_VIDPID)) {
211 if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
213 dev = libusb_get_device(usb->devhdl);
214 if (ezusb_upload_firmware(dev, 0, OSCI_FIRMWARE) == SR_OK)
215 /* Remember when the firmware on this device was updated */
216 devc->fw_updated = g_get_monotonic_time();
218 sr_err("Firmware upload failed for device "
219 "at bus %d address %d.", usb->bus, usb->address);
222 drvc->instances = g_slist_append(drvc->instances, sdi);
223 devices = g_slist_append(devices, sdi);
225 g_slist_free(usb_devices);
227 g_slist_free_full(usb_devices, g_free);
232 static GSList *hw_dev_list(void)
234 struct drv_context *drvc;
238 return drvc->instances;
241 static int hw_dev_open(struct sr_dev_inst *sdi)
250 static int hw_dev_close(struct sr_dev_inst *sdi)
259 static int hw_cleanup(void)
268 static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
282 static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
289 if (sdi->status != SR_ST_ACTIVE) {
290 sr_err("Device inactive, can't set config options.");
298 sr_err("Unknown hardware capability: %d.", id);
305 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
315 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
319 if (sdi->status != SR_ST_ACTIVE) {
320 sr_err("Device inactive, can't stop acquisition.");
329 SR_PRIV struct sr_dev_driver nexus_osciprime_driver_info = {
330 .name = "nexus-osciprime",
331 .longname = "Nexus OsciPrime",
334 .cleanup = hw_cleanup,
336 .dev_list = hw_dev_list,
337 .dev_clear = clear_instances,
338 .config_get = config_get,
339 .config_set = config_set,
340 .dev_open = hw_dev_open,
341 .dev_close = hw_dev_close,
342 .dev_acquisition_start = hw_dev_acquisition_start,
343 .dev_acquisition_stop = hw_dev_acquisition_stop,