static GSList *scan(GSList *options)
{
GSList *usb_devices, *devices, *l;
struct drv_context *drvc;
struct sr_dev_inst *sdi;
struct sr_probe *probe;
struct dev_context *devc;
struct sr_usb_dev_inst *usb;
struct device_info dev_info;
int ret, device_index, i;
char *fw_ver_str;
(void)options;
devices = NULL;
drvc = di->priv;
drvc->instances = NULL;
device_index = 0;
usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, USB_VID_PID);
if (usb_devices == NULL)
return NULL;
for (l = usb_devices; l; l = l->next) {
usb = l->data;
if ((ret = sl2_get_device_info(*usb, &dev_info)) < 0) {
sr_warn("Failed to get device information: %d.", ret);
sr_usb_dev_inst_free(usb);
continue;
}
if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
sr_err("Device instance malloc failed.");
sr_usb_dev_inst_free(usb);
continue;
}
if (!(devc->xfer_in = libusb_alloc_transfer(0))) {
sr_err("Transfer malloc failed.");
sr_usb_dev_inst_free(usb);
g_free(devc);
continue;
}
if (!(devc->xfer_out = libusb_alloc_transfer(0))) {
sr_err("Transfer malloc failed.");
sr_usb_dev_inst_free(usb);
libusb_free_transfer(devc->xfer_in);
g_free(devc);
continue;
}
fw_ver_str = g_strdup_printf("%u.%u", dev_info.fw_ver_major,
dev_info.fw_ver_minor);
if (!fw_ver_str) {
sr_err("Firmware string malloc failed.");
sr_usb_dev_inst_free(usb);
libusb_free_transfer(devc->xfer_in);
libusb_free_transfer(devc->xfer_out);
g_free(devc);
continue;
}
sdi = sr_dev_inst_new(device_index, SR_ST_INACTIVE, VENDOR_NAME,
MODEL_NAME, fw_ver_str);
g_free(fw_ver_str);
if (!sdi) {
sr_err("sr_dev_inst_new failed.");
sr_usb_dev_inst_free(usb);
libusb_free_transfer(devc->xfer_in);
libusb_free_transfer(devc->xfer_out);
g_free(devc);
continue;
}
sdi->priv = devc;
sdi->driver = di;
sdi->inst_type = SR_INST_USB;
sdi->conn = usb;
for (i = 0; probe_names[i]; i++) {
probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
probe_names[i]);
sdi->probes = g_slist_append(sdi->probes, probe);
devc->probes[i] = probe;
}
devc->state = STATE_IDLE;
devc->next_state = STATE_IDLE;
/* Set default samplerate. */
sl2_set_samplerate(sdi, DEFAULT_SAMPLERATE);
/* Set default capture ratio. */
devc->capture_ratio = 0;
/* Set default after trigger delay. */
devc->after_trigger_delay = 0;
memset(devc->xfer_buf_in, 0, LIBUSB_CONTROL_SETUP_SIZE +
PACKET_LENGTH);
memset(devc->xfer_buf_out, 0, LIBUSB_CONTROL_SETUP_SIZE +
PACKET_LENGTH);
libusb_fill_control_setup(devc->xfer_buf_in,
USB_REQUEST_TYPE_IN, USB_HID_GET_REPORT,
USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE,
PACKET_LENGTH);
libusb_fill_control_setup(devc->xfer_buf_out,
USB_REQUEST_TYPE_OUT, USB_HID_SET_REPORT,
USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE,
PACKET_LENGTH);
devc->xfer_data_in = devc->xfer_buf_in +
LIBUSB_CONTROL_SETUP_SIZE;
devc->xfer_data_out = devc->xfer_buf_out +
LIBUSB_CONTROL_SETUP_SIZE;
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
device_index++;
}
g_slist_free(usb_devices);
return devices;
}
static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
GSList *usb_devices, *devices, *l;
struct drv_context *drvc;
struct sr_dev_inst *sdi;
struct dev_context *devc;
struct sr_usb_dev_inst *usb;
struct device_info dev_info;
unsigned int i;
int ret;
(void)options;
devices = NULL;
drvc = di->context;
drvc->instances = NULL;
usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, USB_VID_PID);
if (!usb_devices)
return NULL;
for (l = usb_devices; l; l = l->next) {
usb = l->data;
if ((ret = sl2_get_device_info(*usb, &dev_info)) < 0) {
sr_warn("Failed to get device information: %d.", ret);
sr_usb_dev_inst_free(usb);
continue;
}
devc = g_malloc0(sizeof(struct dev_context));
if (!(devc->xfer_in = libusb_alloc_transfer(0))) {
sr_err("Transfer malloc failed.");
sr_usb_dev_inst_free(usb);
g_free(devc);
continue;
}
if (!(devc->xfer_out = libusb_alloc_transfer(0))) {
sr_err("Transfer malloc failed.");
sr_usb_dev_inst_free(usb);
libusb_free_transfer(devc->xfer_in);
g_free(devc);
continue;
}
sdi = g_malloc0(sizeof(struct sr_dev_inst));
sdi->status = SR_ST_INACTIVE;
sdi->vendor = g_strdup(VENDOR_NAME);
sdi->model = g_strdup(MODEL_NAME);
sdi->version = g_strdup_printf("%u.%u", dev_info.fw_ver_major, dev_info.fw_ver_minor);
sdi->serial_num = g_strdup_printf("%d", dev_info.serial);
sdi->priv = devc;
sdi->driver = di;
sdi->inst_type = SR_INST_USB;
sdi->conn = usb;
for (i = 0; i < ARRAY_SIZE(channel_names); i++)
devc->channels[i] = sr_channel_new(sdi, i,
SR_CHANNEL_LOGIC, TRUE, channel_names[i]);
devc->state = STATE_IDLE;
devc->next_state = STATE_IDLE;
/* Set default samplerate. */
sl2_set_samplerate(sdi, DEFAULT_SAMPLERATE);
/* Set default capture ratio. */
devc->capture_ratio = 0;
/* Set default after trigger delay. */
devc->after_trigger_delay = 0;
memset(devc->xfer_buf_in, 0, LIBUSB_CONTROL_SETUP_SIZE +
PACKET_LENGTH);
memset(devc->xfer_buf_out, 0, LIBUSB_CONTROL_SETUP_SIZE +
PACKET_LENGTH);
libusb_fill_control_setup(devc->xfer_buf_in,
USB_REQUEST_TYPE_IN, USB_HID_GET_REPORT,
USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE,
PACKET_LENGTH);
libusb_fill_control_setup(devc->xfer_buf_out,
USB_REQUEST_TYPE_OUT, USB_HID_SET_REPORT,
USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE,
PACKET_LENGTH);
devc->xfer_data_in = devc->xfer_buf_in +
LIBUSB_CONTROL_SETUP_SIZE;
devc->xfer_data_out = devc->xfer_buf_out +
LIBUSB_CONTROL_SETUP_SIZE;
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
}
g_slist_free(usb_devices);
return devices;
}
