pub type R = R<GRXSTSP_DEVICEMODE_SPEC>;
Register GRXSTSP_DEVICEMODE reader
GRXSTSP_DEVICEMODE
struct R { /* private fields */ }
Bits 0:3 - Endpoint Number
Bits 4:14 - Byte Count
Bits 15:16 - Data PID
Bits 17:20 - Packet Status
Bits 21:24 - Frame Number