Struct microbit::hal::pac::twim0::RegisterBlock[−]

#[repr(C)]
pub struct RegisterBlock {
Show fields
    pub tasks_startrx: Reg<u32, _TASKS_STARTRX>,
    pub tasks_starttx: Reg<u32, _TASKS_STARTTX>,
    pub tasks_stop: Reg<u32, _TASKS_STOP>,
    pub tasks_suspend: Reg<u32, _TASKS_SUSPEND>,
    pub tasks_resume: Reg<u32, _TASKS_RESUME>,
    pub events_stopped: Reg<u32, _EVENTS_STOPPED>,
    pub events_error: Reg<u32, _EVENTS_ERROR>,
    pub events_suspended: Reg<u32, _EVENTS_SUSPENDED>,
    pub events_rxstarted: Reg<u32, _EVENTS_RXSTARTED>,
    pub events_txstarted: Reg<u32, _EVENTS_TXSTARTED>,
    pub events_lastrx: Reg<u32, _EVENTS_LASTRX>,
    pub events_lasttx: Reg<u32, _EVENTS_LASTTX>,
    pub shorts: Reg<u32, _SHORTS>,
    pub inten: Reg<u32, _INTEN>,
    pub intenset: Reg<u32, _INTENSET>,
    pub intenclr: Reg<u32, _INTENCLR>,
    pub errorsrc: Reg<u32, _ERRORSRC>,
    pub enable: Reg<u32, _ENABLE>,
    pub psel: PSEL,
    pub frequency: Reg<u32, _FREQUENCY>,
    pub rxd: RXD,
    pub txd: TXD,
    pub address: Reg<u32, _ADDRESS>,
    // some fields omitted

}
Expand description

Register block

Fields

tasks_startrx: Reg<u32, _TASKS_STARTRX>

0x00 - Start TWI receive sequence

tasks_starttx: Reg<u32, _TASKS_STARTTX>

0x08 - Start TWI transmit sequence

tasks_stop: Reg<u32, _TASKS_STOP>

0x14 - Stop TWI transaction. Must be issued while the TWI master is not suspended.

tasks_suspend: Reg<u32, _TASKS_SUSPEND>

0x1c - Suspend TWI transaction

tasks_resume: Reg<u32, _TASKS_RESUME>

0x20 - Resume TWI transaction

events_stopped: Reg<u32, _EVENTS_STOPPED>

0x104 - TWI stopped

events_error: Reg<u32, _EVENTS_ERROR>

0x124 - TWI error

events_suspended: Reg<u32, _EVENTS_SUSPENDED>

0x148 - Last byte has been sent out after the SUSPEND task has been issued, TWI traffic is now suspended.

events_rxstarted: Reg<u32, _EVENTS_RXSTARTED>

0x14c - Receive sequence started

events_txstarted: Reg<u32, _EVENTS_TXSTARTED>

0x150 - Transmit sequence started

events_lastrx: Reg<u32, _EVENTS_LASTRX>

0x15c - Byte boundary, starting to receive the last byte

events_lasttx: Reg<u32, _EVENTS_LASTTX>

0x160 - Byte boundary, starting to transmit the last byte

shorts: Reg<u32, _SHORTS>

0x200 - Shortcuts between local events and tasks

inten: Reg<u32, _INTEN>

0x300 - Enable or disable interrupt

intenset: Reg<u32, _INTENSET>

0x304 - Enable interrupt

intenclr: Reg<u32, _INTENCLR>

0x308 - Disable interrupt

errorsrc: Reg<u32, _ERRORSRC>

0x4c4 - Error source

enable: Reg<u32, _ENABLE>

0x500 - Enable TWIM

psel: PSEL

0x508 - Unspecified

frequency: Reg<u32, _FREQUENCY>

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

rxd: RXD

0x534 - RXD EasyDMA channel

txd: TXD

0x544 - TXD EasyDMA channel

address: Reg<u32, _ADDRESS>

0x588 - Address used in the TWI transfer

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