pub type R = R<CSRrs>;
Register CSR reader
CSR
struct R { /* private fields */ }
Bit 0 - Tx start of message
Bit 1 - Tx end of message
Bit 2 - Tx error
Bit 3 - Tx byte transfer request or block transfer finished
Bit 4 - Rx start of message
Bit 5 - Rx end of message
Bit 6 - Rx error
Bit 7 - Rx byte/block transfer finished