Struct nrf52840::twim0::RegisterBlock

#[repr(C)]
pub struct RegisterBlock {
    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,
    // some fields omitted
}

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 - Unspecified

frequency: FREQUENCY

0x524 - TWI frequency. Accuracy depends on the HFCLK source selected.

rxd: RXD

0x534 - RXD EasyDMA channel

txd: TXD

0x544 - TXD EasyDMA channel

address: ADDRESS

0x588 - Address used in the TWI transfer