pub type R = R<u32, SR>;
Reader of register SR
pub struct R { /* private fields */ }
Bit 0 - Receive buffer not empty
Bit 1 - Transmit buffer empty
Bit 4 - CRC error flag
Bit 5 - Mode fault
Bit 6 - Overrun flag
Bit 7 - Busy flag
Bit 8 - Frame format error
Bits 9:10 - FIFO reception level
Bits 11:12 - FIFO transmission level