static int hw_init(const char *deviceinfo)
{
struct sr_device_instance *sdi;
/* Avoid compiler warnings. */
(void)deviceinfo;
sdi = sr_device_instance_new(0, SR_ST_ACTIVE, DEMONAME, NULL, NULL);
if (!sdi) {
sr_err("demo: %s: sr_device_instance_new failed", __func__);
return 0;
}
device_instances = g_slist_append(device_instances, sdi);
return 1;
}
static int hw_opendev(int device_index)
{
struct sr_device_instance *sdi;
sdi = sr_device_instance_new(device_index, SR_ST_INITIALIZING,
NULL, NULL, NULL);
if (!sdi)
return SR_ERR;
if (!(sdi->priv = g_try_malloc0(sizeof(struct session_vdevice)))) {
sr_err("session: %s: sdi->priv malloc failed", __func__);
return SR_ERR_MALLOC;
}
device_instances = g_slist_append(device_instances, sdi);
return SR_OK;
}
static int hw_init(const char *deviceinfo)
{
struct sr_device_instance *sdi;
struct libusb_device_descriptor des;
struct fx2_profile *fx2_prof;
struct fx2_device *fx2;
libusb_device **devlist;
int err, devcnt, i, j;
/* Avoid compiler warnings. */
(void)deviceinfo;
if (libusb_init(&usb_context) != 0) {
sr_warn("Failed to initialize USB.");
return 0;
}
/* Find all Saleae Logic devices and upload firmware to all of them. */
devcnt = 0;
libusb_get_device_list(usb_context, &devlist);
for (i = 0; devlist[i]; i++) {
fx2_prof = NULL;
err = libusb_get_device_descriptor(devlist[i], &des);
if (err != 0) {
sr_warn("failed to get device descriptor: %d", err);
continue;
}
for (j = 0; supported_fx2[j].orig_vid; j++) {
if (des.idVendor == supported_fx2[j].orig_vid
&& des.idProduct == supported_fx2[j].orig_pid) {
fx2_prof = &supported_fx2[j];
break;
}
}
if (!fx2_prof)
/* not a supported VID/PID */
continue;
sdi = sr_device_instance_new(devcnt, SR_ST_INITIALIZING,
fx2_prof->vendor, fx2_prof->model, fx2_prof->model_version);
if (!sdi)
return 0;
fx2 = fx2_device_new();
fx2->profile = fx2_prof;
sdi->priv = fx2;
device_instances = g_slist_append(device_instances, sdi);
if (check_conf_profile(devlist[i])) {
/* Already has the firmware, so fix the new address. */
sdi->status = SR_ST_INACTIVE;
sdi->usb = sr_usb_device_instance_new
(libusb_get_bus_number(devlist[i]),
libusb_get_device_address(devlist[i]), NULL);
} else {
if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, FIRMWARE) == SR_OK)
/* Remember when the firmware on this device was updated */
g_get_current_time(&fx2->fw_updated);
else
sr_warn("firmware upload failed for device %d", devcnt);
sdi->usb = sr_usb_device_instance_new
(libusb_get_bus_number(devlist[i]), 0xff, NULL);
}
devcnt++;
}
libusb_free_device_list(devlist, 1);
return devcnt;
}
