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Diffstat (limited to 'hw/usb/desc.h')
-rw-r--r-- | hw/usb/desc.h | 11 |
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); |