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Diffstat (limited to 'hw/usb/desc.h')
-rw-r--r--hw/usb/desc.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/usb/desc.h b/hw/usb/desc.h
index ddd3e7485c..81327b0e74 100644
--- a/hw/usb/desc.h
+++ b/hw/usb/desc.h
@@ -194,6 +194,17 @@ struct USBDesc {
#define USB_DESC_FLAG_SUPER (1 << 1)
+/* little helpers */
+static inline uint8_t usb_lo(uint16_t val)
+{
+ return val & 0xff;
+}
+
+static inline uint8_t usb_hi(uint16_t val)
+{
+ return (val >> 8) & 0xff;
+}
+
/* generate usb packages from structs */
int usb_desc_device(const USBDescID *id, const USBDescDevice *dev,
uint8_t *dest, size_t len);