Struct capsules_extra::sound_pressure::SoundPressureSensor

pub struct SoundPressureSensor<'a> { /* private fields */ }

Implementations

impl<'a> SoundPressureSensor<'a>

pub fn new( driver: &'a dyn SoundPressure<'a>, grant: Grant<App, UpcallCount<1>, AllowRoCount<0>, AllowRwCount<0>>, ) -> SoundPressureSensor<'a>

Trait Implementations

impl SoundPressureClient for SoundPressureSensor<'_>

fn callback(&self, ret: Result<(), ErrorCode>, sound_val: u8)

Signals the sound pressure in dB

impl SyscallDriver for SoundPressureSensor<'_>

fn command( &self, command_num: usize, _: usize, _: usize, processid: ProcessId, ) -> CommandReturn

System call for a process to perform a short synchronous operation or start a long-running split-phase operation (whose completion is signaled with an upcall). Command 0 is a reserved command to detect if a peripheral system call driver is installed and must always return a CommandReturn::success.

fn allocate_grant(&self, processid: ProcessId) -> Result<(), Error>

Request to allocate a capsule’s grant for a specific process.

fn allow_userspace_readable( &self, app: ProcessId, which: usize, slice: ReadWriteProcessBuffer, ) -> Result<ReadWriteProcessBuffer, (ReadWriteProcessBuffer, ErrorCode)>

System call for a process to pass a buffer (a UserspaceReadableProcessBuffer) to the kernel that the kernel can either read or write. The kernel calls this method only after it checks that the entire buffer is within memory the process can both read and write.