Struct nrf52840::pdm::RegisterBlock

#[repr(C)]
pub struct RegisterBlock {
    pub tasks_start: TASKS_START,
    pub tasks_stop: TASKS_STOP,
    pub events_started: EVENTS_STARTED,
    pub events_stopped: EVENTS_STOPPED,
    pub events_end: EVENTS_END,
    pub inten: INTEN,
    pub intenset: INTENSET,
    pub intenclr: INTENCLR,
    pub enable: ENABLE,
    pub pdmclkctrl: PDMCLKCTRL,
    pub mode: MODE,
    pub gainl: GAINL,
    pub gainr: GAINR,
    pub ratio: RATIO,
    pub psel: PSEL,
    pub sample: SAMPLE,
    // some fields omitted
}

Register block

Fields

tasks_start: TASKS_START

0x00 - Starts continuous PDM transfer

tasks_stop: TASKS_STOP

0x04 - Stops PDM transfer

events_started: EVENTS_STARTED

0x100 - PDM transfer has started

events_stopped: EVENTS_STOPPED

0x104 - PDM transfer has finished

events_end: EVENTS_END

0x108 - The PDM has written the last sample specified by SAMPLE.MAXCNT (or the last sample after a STOP task has been received) to Data RAM

inten: INTEN

0x300 - Enable or disable interrupt

intenset: INTENSET

0x304 - Enable interrupt

intenclr: INTENCLR

0x308 - Disable interrupt

enable: ENABLE

0x500 - PDM module enable register

pdmclkctrl: PDMCLKCTRL

0x504 - PDM clock generator control

mode: MODE

0x508 - Defines the routing of the connected PDM microphones' signals

gainl: GAINL

0x518 - Left output gain adjustment

gainr: GAINR

0x51c - Right output gain adjustment

ratio: RATIO

0x520 - Selects the ratio between PDM_CLK and output sample rate. Change PDMCLKCTRL accordingly.

psel: PSEL

0x540 - Unspecified

sample: SAMPLE

0x560 - Unspecified