Use common usb_source_add and usb_source_remove functions.

[libsigrok.git] / hardware / common / usb.c

diff --git a/hardware/common/usb.c b/hardware/common/usb.c
index bac420b31c31c758594af37ddf1aca78393f26b4..249bce5ad8d074ebed52c2ee62b9a11f708efd1f 100644 (file)
--- a/hardware/common/usb.c
+++ b/hardware/common/usb.c
@@ -243,3 +243,40 @@ SR_PRIV int sr_usb_open(libusb_context *usb_ctx, struct sr_usb_dev_inst *usb)
 
        return ret;
 }
+
+SR_PRIV int usb_source_add(struct sr_context *ctx, int timeout,
+               sr_receive_data_callback_t cb, void *cb_data)
+{
+#ifdef _WIN32
+       sr_err("Operation not supported on Windows yet.");
+       return SR_ERR;
+#else
+       const struct libusb_pollfd **lupfd;
+       unsigned int i;
+
+       lupfd = libusb_get_pollfds(ctx->libusb_ctx);
+       for (i = 0; lupfd[i]; i++)
+               sr_source_add(lupfd[i]->fd, lupfd[i]->events, timeout, cb, cb_data);
+       free(lupfd);
+
+       return SR_OK;
+#endif
+}
+
+SR_PRIV int usb_source_remove(struct sr_context *ctx)
+{
+#ifdef _WIN32
+       sr_err("Operation not supported on Windows yet.");
+       return SR_ERR;
+#else
+       const struct libusb_pollfd **lupfd;
+       unsigned int i;
+
+       lupfd = libusb_get_pollfds(ctx->libusb_ctx);
+       for (i = 0; lupfd[i]; i++)
+               sr_source_remove(lupfd[i]->fd);
+       free(lupfd);
+
+       return SR_OK;
+#endif
+}