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 return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
145 static GSList *hw_scan(GSList *options)
147 struct drv_context *drvc;
148 struct dev_context *devc;
149 struct sr_dev_inst *sdi;
150 struct sr_usb_dev_inst *usb;
151 struct sr_config *src;
152 struct sr_probe *probe;
154 GSList *usb_devices, *devices, *l;
162 /* USB scan is always authoritative. */
166 for (l = options; l; l = l->next) {
178 if ((usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
179 for (l = usb_devices; l; l = l->next) {
181 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
182 OSCI_VENDOR, OSCI_MODEL, OSCI_VERSION)))
185 for (i = 0; probe_names[i]; i++) {
186 if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
189 sdi->probes = g_slist_append(sdi->probes, probe);
192 if (!(devc = g_try_malloc0(sizeof(struct dev_context))))
197 if (strcmp(conn, OSCI_VIDPID)) {
198 if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
200 dev = libusb_get_device(usb->devhdl);
201 if (ezusb_upload_firmware(dev, 0, OSCI_FIRMWARE) == SR_OK)
202 /* Remember when the firmware on this device was updated */
203 devc->fw_updated = g_get_monotonic_time();
205 sr_err("Firmware upload failed for device "
206 "at bus %d address %d.", usb->bus, usb->address);
209 drvc->instances = g_slist_append(drvc->instances, sdi);
210 devices = g_slist_append(devices, sdi);
212 g_slist_free(usb_devices);
214 g_slist_free_full(usb_devices, g_free);
219 static GSList *hw_dev_list(void)
221 return ((struct drv_context *)(di->priv))->instances;
224 static int hw_dev_open(struct sr_dev_inst *sdi)
233 static int hw_dev_close(struct sr_dev_inst *sdi)
242 static int hw_cleanup(void)
251 static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
258 if (sdi->status != SR_ST_ACTIVE) {
259 sr_err("Device inactive, can't set config options.");
267 sr_err("Unknown hardware capability: %d.", id);
274 static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
287 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
297 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
301 if (sdi->status != SR_ST_ACTIVE) {
302 sr_err("Device inactive, can't stop acquisition.");
311 SR_PRIV struct sr_dev_driver nexus_osciprime_driver_info = {
312 .name = "nexus-osciprime",
313 .longname = "Nexus OsciPrime",
316 .cleanup = hw_cleanup,
318 .dev_list = hw_dev_list,
319 .dev_clear = clear_instances,
321 .config_set = config_set,
322 .config_list = config_list,
323 .dev_open = hw_dev_open,
324 .dev_close = hw_dev_close,
325 .dev_acquisition_start = hw_dev_acquisition_start,
326 .dev_acquisition_stop = hw_dev_acquisition_stop,