Struct nrf52840_pac::twim0::RegisterBlock
source · #[repr(C)]pub struct RegisterBlock {Show 23 fields
pub tasks_startrx: TASKS_STARTRX,
pub tasks_starttx: TASKS_STARTTX,
pub tasks_stop: TASKS_STOP,
pub tasks_suspend: TASKS_SUSPEND,
pub tasks_resume: TASKS_RESUME,
pub events_stopped: EVENTS_STOPPED,
pub events_error: EVENTS_ERROR,
pub events_suspended: EVENTS_SUSPENDED,
pub events_rxstarted: EVENTS_RXSTARTED,
pub events_txstarted: EVENTS_TXSTARTED,
pub events_lastrx: EVENTS_LASTRX,
pub events_lasttx: EVENTS_LASTTX,
pub shorts: SHORTS,
pub inten: INTEN,
pub intenset: INTENSET,
pub intenclr: INTENCLR,
pub errorsrc: ERRORSRC,
pub enable: ENABLE,
pub psel: PSEL,
pub frequency: FREQUENCY,
pub rxd: RXD,
pub txd: TXD,
pub address: ADDRESS,
/* private fields */
}
Expand description
Register block
Fields§
§tasks_startrx: TASKS_STARTRX
0x00 - Start TWI receive sequence
tasks_starttx: TASKS_STARTTX
0x08 - Start TWI transmit sequence
tasks_stop: TASKS_STOP
0x14 - Stop TWI transaction. Must be issued while the TWI master is not suspended.
tasks_suspend: TASKS_SUSPEND
0x1c - Suspend TWI transaction
tasks_resume: TASKS_RESUME
0x20 - Resume TWI transaction
events_stopped: EVENTS_STOPPED
0x104 - TWI stopped
events_error: EVENTS_ERROR
0x124 - TWI error
events_suspended: EVENTS_SUSPENDED
0x148 - Last byte has been sent out after the SUSPEND task has been issued, TWI traffic is now suspended.
events_rxstarted: EVENTS_RXSTARTED
0x14c - Receive sequence started
events_txstarted: EVENTS_TXSTARTED
0x150 - Transmit sequence started
events_lastrx: EVENTS_LASTRX
0x15c - Byte boundary, starting to receive the last byte
events_lasttx: EVENTS_LASTTX
0x160 - Byte boundary, starting to transmit the last byte
shorts: SHORTS
0x200 - Shortcut register
inten: INTEN
0x300 - Enable or disable interrupt
intenset: INTENSET
0x304 - Enable interrupt
intenclr: INTENCLR
0x308 - Disable interrupt
errorsrc: ERRORSRC
0x4c4 - Error source
enable: ENABLE
0x500 - Enable TWIM
psel: PSEL
0x508..0x510 - Unspecified
frequency: FREQUENCY
0x524 - TWI frequency. Accuracy depends on the HFCLK source selected.
rxd: RXD
0x534..0x544 - RXD EasyDMA channel
txd: TXD
0x544..0x554 - TXD EasyDMA channel
address: ADDRESS
0x588 - Address used in the TWI transfer