pub type W = W<CtlSpec>;
Register CTL writer
CTL
struct W { /* private fields */ }
Bit 0 - Initial working mode
Bit 1 - Sleep working mode
Bit 2 - Transmit FIFO order
Bit 3 - Receive FIFO overwrite disable
Bit 4 - Automatic retransmission disable
Bit 5 - Automatic wakeup
Bit 6 - Automatic bus-off recovery
Bit 7 - Time-triggered communication
Bit 15 - Software reset
Bit 16 - Debug freeze