X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fdevice.c;h=537c89eff2ab353c167152de2af775a4317736a0;hb=4619fab47acf4fb0a1c035072c2e8552b4bcbae3;hp=d0b9e482af0440fee5a34f10ad719194fd1a9fec;hpb=6f1346fbd7bbb6cca97d8a6c02b36156fce24ec2;p=libsigrok.git
diff --git a/src/device.c b/src/device.c
index d0b9e482..537c89ef 100644
--- a/src/device.c
+++ b/src/device.c
@@ -17,10 +17,10 @@
* along with this program. If not, see .
*/
+#include
#include
#include
-#include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
-#include "libsigrok.h"
+#include
#include "libsigrok-internal.h"
/** @cond PRIVATE */
@@ -133,6 +133,25 @@ SR_API int sr_dev_channel_enable(struct sr_channel *channel,
return SR_OK;
}
+/* Returns the next enabled channel, wrapping around if necessary. */
+SR_PRIV struct sr_channel *sr_next_enabled_channel(const struct sr_dev_inst *sdi,
+ struct sr_channel *cur_channel)
+{
+ struct sr_channel *next_channel;
+ GSList *l;
+
+ next_channel = cur_channel;
+ do {
+ l = g_slist_find(sdi->channels, next_channel);
+ if (l && l->next)
+ next_channel = l->next->data;
+ else
+ next_channel = sdi->channels->data;
+ } while (!next_channel->enabled);
+
+ return next_channel;
+}
+
/**
* Determine whether the specified device instance has the specified
* capability.
@@ -360,7 +379,7 @@ SR_PRIV void sr_usbtmc_dev_inst_free(struct sr_usbtmc_dev_inst *usbtmc)
SR_API GSList *sr_dev_list(const struct sr_dev_driver *driver)
{
if (driver && driver->dev_list)
- return driver->dev_list();
+ return driver->dev_list(driver);
else
return NULL;
}
@@ -386,7 +405,7 @@ SR_API int sr_dev_clear(const struct sr_dev_driver *driver)
}
if (driver->dev_clear)
- ret = driver->dev_clear();
+ ret = driver->dev_clear(driver);
else
ret = std_dev_clear(driver, NULL);
@@ -520,14 +539,12 @@ SR_API const char *sr_dev_inst_sernum_get(const struct sr_dev_inst *sdi)
*/
SR_API const char *sr_dev_inst_connid_get(const struct sr_dev_inst *sdi)
{
+#ifdef HAVE_LIBUSB_1_0
struct drv_context *drvc;
- int r, cnt, i, a, b;
+ int cnt, i, a, b;
char connection_id[64];
-
-#ifdef HAVE_LIBUSB_1_0
struct sr_usb_dev_inst *usb;
struct libusb_device **devlist;
- struct libusb_device_descriptor des;
#endif
if (!sdi)
@@ -544,12 +561,11 @@ SR_API const char *sr_dev_inst_connid_get(const struct sr_dev_inst *sdi)
}
#endif
-
#ifdef HAVE_LIBUSB_1_0
if ((!sdi->connection_id) && (sdi->inst_type == SR_INST_USB)) {
/* connection_id isn't populated, let's do that here. */
- drvc = sdi->driver->priv;
+ drvc = sdi->driver->context;
usb = sdi->conn;
if ((cnt = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist)) < 0) {
@@ -559,12 +575,6 @@ SR_API const char *sr_dev_inst_connid_get(const struct sr_dev_inst *sdi)
}
for (i = 0; i < cnt; i++) {
- if ((r = libusb_get_device_descriptor(devlist[i], &des)) < 0) {
- sr_err("Failed to get device descriptor: %s.",
- libusb_error_name(r));
- continue;
- }
-
/* Find the USB device by the logical address we know. */
b = libusb_get_bus_number(devlist[i]);
a = libusb_get_device_address(devlist[i]);