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hantek-dso: Support conn scan parameter

This commit is contained in:
Bert Vermeulen 2013-04-24 03:04:12 +02:00
parent cc9fd2d29c
commit 294dbac724
1 changed files with 33 additions and 5 deletions
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38
hardware/hantek-dso/api.c
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@ -256,16 +256,17 @@ static int hw_init(struct sr_context *sr_ctx)
static GSList *hw_scan(GSList *options)
{
struct sr_dev_inst *sdi;
const struct dso_profile *prof;
struct drv_context *drvc;
struct dev_context *devc;
GSList *devices;
struct sr_dev_inst *sdi;
struct sr_usb_dev_inst *usb;
struct sr_config *src;
const struct dso_profile *prof;
GSList *l, *devices, *conn_devices;
struct libusb_device_descriptor des;
libusb_device **devlist;
int devcnt, ret, i, j;
(void)options;
const char *conn;
drvc = di->priv;
drvc->instances = NULL;
@ -275,9 +276,36 @@ static GSList *hw_scan(GSList *options)
clear_instances();
conn = NULL;
for (l = options; l; l = l->next) {
src = l->data;
if (src->key == SR_CONF_CONN) {
conn = g_variant_get_string(src->data, NULL);
break;
}
}
if (conn)
conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn);
else
conn_devices = NULL;
/* Find all Hantek DSO devices and upload firmware to all of them. */
libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
for (i = 0; devlist[i]; i++) {
if (conn) {
usb = NULL;
for (l = conn_devices; l; l = l->next) {
usb = l->data;
if (usb->bus == libusb_get_bus_number(devlist[i])
&& usb->address == libusb_get_device_address(devlist[i]))
break;
}
if (!l)
/* This device matched none of the ones that
* matched the conn specification. */
continue;
}
if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
sr_err("Failed to get device descriptor: %s.",
libusb_error_name(ret));