Struct microbit::hal::pac::twi0::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_rxdready: Reg<u32, _EVENTS_RXDREADY>,
    pub events_txdsent: Reg<u32, _EVENTS_TXDSENT>,
    pub events_error: Reg<u32, _EVENTS_ERROR>,
    pub events_bb: Reg<u32, _EVENTS_BB>,
    pub events_suspended: Reg<u32, _EVENTS_SUSPENDED>,
    pub shorts: Reg<u32, _SHORTS>,
    pub intenset: Reg<u32, _INTENSET>,
    pub intenclr: Reg<u32, _INTENCLR>,
    pub errorsrc: Reg<u32, _ERRORSRC>,
    pub enable: Reg<u32, _ENABLE>,
    pub psel: PSEL,
    pub rxd: Reg<u32, _RXD>,
    pub txd: Reg<u32, _TXD>,
    pub frequency: Reg<u32, _FREQUENCY>,
    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

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_rxdready: Reg<u32, _EVENTS_RXDREADY>

0x108 - TWI RXD byte received

events_txdsent: Reg<u32, _EVENTS_TXDSENT>

0x11c - TWI TXD byte sent

events_error: Reg<u32, _EVENTS_ERROR>

0x124 - TWI error

events_bb: Reg<u32, _EVENTS_BB>

0x138 - TWI byte boundary, generated before each byte that is sent or received

events_suspended: Reg<u32, _EVENTS_SUSPENDED>

0x148 - TWI entered the suspended state

shorts: Reg<u32, _SHORTS>

0x200 - Shortcuts between local events and tasks

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 TWI

psel: PSEL

0x508 - Unspecified

rxd: Reg<u32, _RXD>

0x518 - RXD register

txd: Reg<u32, _TXD>

0x51c - TXD register

frequency: Reg<u32, _FREQUENCY>

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

address: Reg<u32, _ADDRESS>

0x588 - Address used in the TWI transfer

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