diff options
-rw-r--r-- | usbdrv/usbdrv.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/usbdrv/usbdrv.h b/usbdrv/usbdrv.h index b77b984..6093c8c 100644 --- a/usbdrv/usbdrv.h +++ b/usbdrv/usbdrv.h @@ -388,7 +388,9 @@ extern volatile schar usbRxLen; */ #define USB_PROP_IS_DYNAMIC (1 << 14) /* If this property is set for a descriptor, usbFunctionDescriptor() will be - * used to obtain the particular descriptor. + * used to obtain the particular descriptor. Data directly returned via + * usbMsgPtr are FLASH data by default, combine (OR) with USB_PROP_IS_RAM to + * return RAM data. */ #define USB_PROP_IS_RAM (1 << 15) /* If this property is set for a descriptor, the data is read from RAM |