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 int32_t hwopts[] = {
37 static const int32_t hwcaps[] = {
39 SR_CONF_LIMIT_SAMPLES,
45 static const uint64_t timebases[][2] = {
92 static const char *probe_names[] = {
97 static const uint64_t vdivs[][2] = {
106 SR_PRIV struct sr_dev_driver nexus_osciprime_driver_info;
107 static struct sr_dev_driver *di = &nexus_osciprime_driver_info;
108 static int hw_dev_close(struct sr_dev_inst *sdi);
110 /* Properly close and free all devices. */
111 static int clear_instances(void)
113 struct sr_dev_inst *sdi;
114 struct drv_context *drvc;
115 struct dev_context *devc;
118 if (!(drvc = di->priv))
121 for (l = drvc->instances; l; l = l->next) {
122 if (!(sdi = l->data))
124 if (!(devc = sdi->priv))
128 sr_usb_dev_inst_free(devc->usb);
129 sr_dev_inst_free(sdi);
132 g_slist_free(drvc->instances);
133 drvc->instances = NULL;
138 static int hw_init(struct sr_context *sr_ctx)
140 return std_hw_init(sr_ctx, di, LOG_PREFIX);
143 static GSList *hw_scan(GSList *options)
145 struct drv_context *drvc;
146 struct dev_context *devc;
147 struct sr_dev_inst *sdi;
148 struct sr_usb_dev_inst *usb;
149 struct sr_config *src;
150 struct sr_probe *probe;
152 GSList *usb_devices, *devices, *l;
161 for (l = options; l; l = l->next) {
165 conn = g_variant_get_string(src->data, NULL);
173 if ((usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
174 for (l = usb_devices; l; l = l->next) {
176 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
177 OSCI_VENDOR, OSCI_MODEL, OSCI_VERSION)))
180 for (i = 0; probe_names[i]; i++) {
181 if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
184 sdi->probes = g_slist_append(sdi->probes, probe);
187 if (!(devc = g_try_malloc0(sizeof(struct dev_context))))
192 if (strcmp(conn, OSCI_VIDPID)) {
193 if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
195 dev = libusb_get_device(usb->devhdl);
196 if (ezusb_upload_firmware(dev, 0, OSCI_FIRMWARE) == SR_OK)
197 /* Remember when the firmware on this device was updated */
198 devc->fw_updated = g_get_monotonic_time();
200 sr_err("Firmware upload failed for device "
201 "at bus %d address %d.", usb->bus, usb->address);
204 drvc->instances = g_slist_append(drvc->instances, sdi);
205 devices = g_slist_append(devices, sdi);
207 g_slist_free(usb_devices);
209 g_slist_free_full(usb_devices, g_free);
214 static GSList *hw_dev_list(void)
216 return ((struct drv_context *)(di->priv))->instances;
219 static int hw_dev_open(struct sr_dev_inst *sdi)
223 sdi->status = SR_ST_ACTIVE;
228 static int hw_dev_close(struct sr_dev_inst *sdi)
232 sdi->status = SR_ST_INACTIVE;
237 static int hw_cleanup(void)
246 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
253 if (sdi->status != SR_ST_ACTIVE)
254 return SR_ERR_DEV_CLOSED;
266 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
279 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
285 if (sdi->status != SR_ST_ACTIVE)
286 return SR_ERR_DEV_CLOSED;
291 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
295 if (sdi->status != SR_ST_ACTIVE) {
296 sr_err("Device inactive, can't stop acquisition.");
305 SR_PRIV struct sr_dev_driver nexus_osciprime_driver_info = {
306 .name = "nexus-osciprime",
307 .longname = "Nexus OsciPrime",
310 .cleanup = hw_cleanup,
312 .dev_list = hw_dev_list,
313 .dev_clear = clear_instances,
315 .config_set = config_set,
316 .config_list = config_list,
317 .dev_open = hw_dev_open,
318 .dev_close = hw_dev_close,
319 .dev_acquisition_start = hw_dev_acquisition_start,
320 .dev_acquisition_stop = hw_dev_acquisition_stop,