"9", "10", "11", "12", "13", "14", "15", "16",
};
+static const uint32_t scanopts[] = {
+ SR_CONF_CONN,
+};
+
static const uint32_t drvopts[] = {
SR_CONF_LOGIC_ANALYZER,
};
static const uint32_t devopts[] = {
SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_CONN | SR_CONF_GET,
SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
#if ASIX_SIGMA_WITH_TRIGGER
SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
}
-static GSList *scan(struct sr_dev_driver *di, GSList *options)
+static gboolean bus_addr_in_devices(int bus, int addr, GSList *devs)
{
- struct sr_dev_inst *sdi;
- struct dev_context *devc;
- struct ftdi_device_list *devlist;
- char serial_txt[10];
- uint32_t serial;
- int ret;
- unsigned int i;
+ struct sr_usb_dev_inst *usb;
- (void)options;
+ for (/* EMPTY */; devs; devs = devs->next) {
+ usb = devs->data;
+ if (usb->bus == bus && usb->address == addr)
+ return TRUE;
+ }
- devc = g_malloc0(sizeof(struct dev_context));
+ return FALSE;
+}
- ftdi_init(&devc->ftdic);
+static gboolean known_vid_pid(const struct libusb_device_descriptor *des)
+{
+ if (des->idVendor != USB_VENDOR_ASIX)
+ return FALSE;
+ if (des->idProduct != USB_PRODUCT_SIGMA && des->idProduct != USB_PRODUCT_OMEGA)
+ return FALSE;
+ return TRUE;
+}
- if ((ret = ftdi_usb_find_all(&devc->ftdic, &devlist,
- USB_VENDOR, USB_PRODUCT)) <= 0) {
- if (ret < 0)
- sr_err("ftdi_usb_find_all(): %d", ret);
- goto free;
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
+{
+ struct drv_context *drvc;
+ libusb_context *usbctx;
+ const char *conn;
+ GSList *l, *conn_devices;
+ struct sr_config *src;
+ GSList *devices;
+ libusb_device **devlist, *devitem;
+ int bus, addr;
+ struct libusb_device_descriptor des;
+ struct libusb_device_handle *hdl;
+ int ret;
+ char conn_id[20];
+ char serno_txt[16];
+ char *end;
+ long serno_num, serno_pre;
+ enum asix_device_type dev_type;
+ const char *dev_text;
+ struct sr_dev_inst *sdi;
+ struct dev_context *devc;
+ size_t devidx, chidx;
+
+ drvc = di->context;
+ usbctx = drvc->sr_ctx->libusb_ctx;
+
+ /* Find all devices which match an (optional) conn= spec. */
+ conn = NULL;
+ for (l = options; l; l = l->next) {
+ src = l->data;
+ switch (src->key) {
+ case SR_CONF_CONN:
+ conn = g_variant_get_string(src->data, NULL);
+ break;
+ }
}
+ conn_devices = NULL;
+ if (conn)
+ conn_devices = sr_usb_find(usbctx, conn);
+ if (conn && !conn_devices)
+ return NULL;
+
+ /* Find all ASIX logic analyzers (which match the connection spec). */
+ devices = NULL;
+ libusb_get_device_list(usbctx, &devlist);
+ for (devidx = 0; devlist[devidx]; devidx++) {
+ devitem = devlist[devidx];
+
+ /* Check for connection match if a user spec was given. */
+ bus = libusb_get_bus_number(devitem);
+ addr = libusb_get_device_address(devitem);
+ if (conn && !bus_addr_in_devices(bus, addr, conn_devices))
+ continue;
+ snprintf(conn_id, sizeof(conn_id), "%d.%d", bus, addr);
- /* Make sure it's a version 1 or 2 SIGMA. */
- ftdi_usb_get_strings(&devc->ftdic, devlist->dev, NULL, 0, NULL, 0,
- serial_txt, sizeof(serial_txt));
- sscanf(serial_txt, "%x", &serial);
+ /*
+ * Check for known VID:PID pairs. Get the serial number,
+ * to then derive the device type from it.
+ */
+ libusb_get_device_descriptor(devitem, &des);
+ if (!known_vid_pid(&des))
+ continue;
+ if (!des.iSerialNumber) {
+ sr_warn("Cannot get serial number (index 0).");
+ continue;
+ }
+ ret = libusb_open(devitem, &hdl);
+ if (ret < 0) {
+ sr_warn("Cannot open USB device %04x.%04x: %s.",
+ des.idVendor, des.idProduct,
+ libusb_error_name(ret));
+ continue;
+ }
+ ret = libusb_get_string_descriptor_ascii(hdl,
+ des.iSerialNumber,
+ (unsigned char *)serno_txt, sizeof(serno_txt));
+ if (ret < 0) {
+ sr_warn("Cannot get serial number (%s).",
+ libusb_error_name(ret));
+ libusb_close(hdl);
+ continue;
+ }
+ libusb_close(hdl);
- if (serial < 0xa6010000 || serial > 0xa602ffff) {
- sr_err("Only SIGMA and SIGMA2 are supported "
- "in this version of libsigrok.");
- goto free;
+ /*
+ * All ASIX logic analyzers have a serial number, which
+ * reads as a hex number, and tells the device type.
+ */
+ ret = sr_atol_base(serno_txt, &serno_num, &end, 16);
+ if (ret != SR_OK || !end || *end) {
+ sr_warn("Cannot interpret serial number %s.", serno_txt);
+ continue;
+ }
+ dev_type = ASIX_TYPE_NONE;
+ dev_text = NULL;
+ serno_pre = serno_num >> 16;
+ switch (serno_pre) {
+ case 0xa601:
+ dev_type = ASIX_TYPE_SIGMA;
+ dev_text = "SIGMA";
+ sr_info("Found SIGMA, serno %s.", serno_txt);
+ break;
+ case 0xa602:
+ dev_type = ASIX_TYPE_SIGMA;
+ dev_text = "SIGMA2";
+ sr_info("Found SIGMA2, serno %s.", serno_txt);
+ break;
+ case 0xa603:
+ dev_type = ASIX_TYPE_OMEGA;
+ dev_text = "OMEGA";
+ sr_info("Found OMEGA, serno %s.", serno_txt);
+ if (!ASIX_WITH_OMEGA) {
+ sr_warn("OMEGA support is not implemented yet.");
+ continue;
+ }
+ break;
+ default:
+ sr_warn("Unknown serno %s, skipping.", serno_txt);
+ continue;
+ }
+
+ /* Create a device instance, add it to the result set. */
+
+ sdi = g_malloc0(sizeof(*sdi));
+ devices = g_slist_append(devices, sdi);
+ sdi->status = SR_ST_INITIALIZING;
+ sdi->vendor = g_strdup("ASIX");
+ sdi->model = g_strdup(dev_text);
+ sdi->serial_num = g_strdup(serno_txt);
+ sdi->connection_id = g_strdup(conn_id);
+ for (chidx = 0; chidx < ARRAY_SIZE(channel_names); chidx++)
+ sr_channel_new(sdi, chidx, SR_CHANNEL_LOGIC,
+ TRUE, channel_names[chidx]);
+
+ devc = g_malloc0(sizeof(*devc));
+ sdi->priv = devc;
+ devc->id.vid = des.idVendor;
+ devc->id.pid = des.idProduct;
+ devc->id.serno = serno_num;
+ devc->id.prefix = serno_pre;
+ devc->id.type = dev_type;
+ devc->cur_samplerate = samplerates[0];
+ devc->limit_msec = 0;
+ devc->limit_samples = 0;
+ devc->cur_firmware = -1;
+ devc->num_channels = 0;
+ devc->samples_per_event = 0;
+ devc->capture_ratio = 50;
+ devc->use_triggers = 0;
}
+ libusb_free_device_list(devlist, 1);
+ g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
- sr_info("Found ASIX SIGMA - Serial: %s", serial_txt);
-
- devc->cur_samplerate = samplerates[0];
- devc->limit_msec = 0;
- devc->limit_samples = 0;
- devc->cur_firmware = -1;
- devc->num_channels = 0;
- devc->samples_per_event = 0;
- devc->capture_ratio = 50;
- devc->use_triggers = 0;
-
- sdi = g_malloc0(sizeof(struct sr_dev_inst));
- sdi->status = SR_ST_INITIALIZING;
- sdi->vendor = g_strdup("ASIX");
- sdi->model = g_strdup("SIGMA");
-
- for (i = 0; i < ARRAY_SIZE(channel_names); i++)
- sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_names[i]);
-
- sdi->priv = devc;
-
- ftdi_list_free(&devlist);
-
- return std_scan_complete(di, g_slist_append(NULL, sdi));
-
-free:
- ftdi_deinit(&devc->ftdic);
- g_free(devc);
- return NULL;
+ return std_scan_complete(di, devices);
}
static int dev_open(struct sr_dev_inst *sdi)
{
struct dev_context *devc;
+ long vid, pid;
+ const char *serno;
int ret;
devc = sdi->priv;
- if ((ret = ftdi_usb_open_desc(&devc->ftdic,
- USB_VENDOR, USB_PRODUCT, USB_DESCRIPTION, NULL)) < 0) {
- sr_err("Failed to open device (%d): %s.",
- ret, ftdi_get_error_string(&devc->ftdic));
- return SR_ERR;
+ if (devc->id.type == ASIX_TYPE_OMEGA && !ASIX_WITH_OMEGA) {
+ sr_err("OMEGA support is not implemented yet.");
+ return SR_ERR_NA;
+ }
+ vid = devc->id.vid;
+ pid = devc->id.pid;
+ serno = sdi->serial_num;
+
+ ret = ftdi_init(&devc->ftdic);
+ if (ret < 0) {
+ sr_err("Cannot initialize FTDI context (%d): %s.",
+ ret, ftdi_get_error_string(&devc->ftdic));
+ return SR_ERR_IO;
+ }
+ ret = ftdi_usb_open_desc_index(&devc->ftdic, vid, pid, NULL, serno, 0);
+ if (ret < 0) {
+ sr_err("Cannot open device (%d): %s.",
+ ret, ftdi_get_error_string(&devc->ftdic));
+ return SR_ERR_IO;
}
return SR_OK;
static int dev_close(struct sr_dev_inst *sdi)
{
struct dev_context *devc;
+ int ret;
devc = sdi->priv;
- return (ftdi_usb_close(&devc->ftdic) == 0) ? SR_OK : SR_ERR;
+ ret = ftdi_usb_close(&devc->ftdic);
+ ftdi_deinit(&devc->ftdic);
+
+ return (ret == 0) ? SR_OK : SR_ERR;
}
static int config_get(uint32_t key, GVariant **data,
devc = sdi->priv;
switch (key) {
+ case SR_CONF_CONN:
+ *data = g_variant_new_string(sdi->connection_id);
+ break;
case SR_CONF_SAMPLERATE:
*data = g_variant_new_uint64(devc->cur_samplerate);
break;
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
case SR_CONF_DEVICE_OPTIONS:
- return STD_CONFIG_LIST(key, data, sdi, cg, NO_OPTS, drvopts, devopts);
+ if (cg)
+ return SR_ERR_NA;
+ return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
case SR_CONF_SAMPLERATE:
*data = std_gvar_samplerates(samplerates, samplerates_count);
break;
projects / libsigrok.git / blobdiff