diff options
Diffstat (limited to 'libusb/libusb.h')
| -rw-r--r-- | libusb/libusb.h | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/libusb/libusb.h b/libusb/libusb.h index 360f654..ca3b1f5 100644 --- a/libusb/libusb.h +++ b/libusb/libusb.h @@ -1924,29 +1924,30 @@ typedef int libusb_hotplug_callback_handle; * * Since version 1.0.16, \ref LIBUSB_API_VERSION >= 0x01000102 * - * Flags for hotplug events */ + * Hotplug events */ typedef enum { - /** Default value when not using any flags. */ - LIBUSB_HOTPLUG_NO_FLAGS = 0U, + /** A device has been plugged in and is ready to use */ + LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = (1 << 0), - /** Arm the callback and fire it for all matching currently attached devices. */ - LIBUSB_HOTPLUG_ENUMERATE = (1U << 0) -} libusb_hotplug_flag; + /** A device has left and is no longer available. + * It is the user's responsibility to call libusb_close on any handle associated with a disconnected device. + * It is safe to call libusb_get_device_descriptor on a device that has left */ + LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = (1 << 1) +} libusb_hotplug_event; /** \ingroup libusb_hotplug * * Since version 1.0.16, \ref LIBUSB_API_VERSION >= 0x01000102 * - * Hotplug events */ + * Hotplug flags */ typedef enum { - /** A device has been plugged in and is ready to use */ - LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = (1U << 0), + /** Arm the callback and fire it for all matching currently attached devices. */ + LIBUSB_HOTPLUG_ENUMERATE = (1 << 0) +} libusb_hotplug_flag; - /** A device has left and is no longer available. - * It is the user's responsibility to call libusb_close on any handle associated with a disconnected device. - * It is safe to call libusb_get_device_descriptor on a device that has left */ - LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = (1U << 1) -} libusb_hotplug_event; +/** \ingroup libusb_hotplug + * Convenience macro when not using any flags */ +#define LIBUSB_HOTPLUG_NO_FLAGS 0 /** \ingroup libusb_hotplug * Wildcard matching for hotplug events */ @@ -2000,9 +2001,10 @@ typedef int (LIBUSB_CALL *libusb_hotplug_callback_fn)(libusb_context *ctx, * Since version 1.0.16, \ref LIBUSB_API_VERSION >= 0x01000102 * * \param[in] ctx context to register this callback with - * \param[in] events bitwise or of events that will trigger this callback. See \ref - * libusb_hotplug_event - * \param[in] flags hotplug callback flags. See \ref libusb_hotplug_flag + * \param[in] events bitwise or of hotplug events that will trigger this callback. + * See \ref libusb_hotplug_event + * \param[in] flags bitwise or of hotplug flags that affect registration. + * See \ref libusb_hotplug_flag * \param[in] vendor_id the vendor id to match or \ref LIBUSB_HOTPLUG_MATCH_ANY * \param[in] product_id the product id to match or \ref LIBUSB_HOTPLUG_MATCH_ANY * \param[in] dev_class the device class to match or \ref LIBUSB_HOTPLUG_MATCH_ANY @@ -2012,7 +2014,7 @@ typedef int (LIBUSB_CALL *libusb_hotplug_callback_fn)(libusb_context *ctx, * \returns LIBUSB_SUCCESS on success LIBUSB_ERROR code on failure */ int LIBUSB_CALL libusb_hotplug_register_callback(libusb_context *ctx, - libusb_hotplug_event events, libusb_hotplug_flag flags, + int events, int flags, int vendor_id, int product_id, int dev_class, libusb_hotplug_callback_fn cb_fn, void *user_data, libusb_hotplug_callback_handle *callback_handle); |