temp_alarm.erpc

/*!
 * Copyright (c) 2016, Freescale Semiconductor, Inc.
 * Copyright 2016-2017 NXP
 * All rights reserved.
 *
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

program TempAlarm

type SensorAddress = uint8

struct SensorReadResult
{
    SensorAddress address
    float temp
}

struct AlarmInfo
{
    float temp
    bool enabled
}

struct SensorInfo
{
    SensorAddress address
    float readInterval //!< Seconds, default 1s.
    AlarmInfo highAlarm
    AlarmInfo lowAlarm
}

enum AlarmType
{
    kHighAlarm,
    kLowAlarm,
    kBothAlarms, //!< Only used for enable/disable.
}

type SensorInfoList = list<SensorInfo>
type SavedState = binary

//! Calls from Linux to M4.
interface Temp
{
    add_sensor(SensorAddress address) -> bool
    remove_sensor(SensorAddress address) -> bool

    set_interval(SensorAddress address, float interval) -> bool

    set_alarm(SensorAddress address, AlarmType alarmType, float alarmTemp) -> bool
    enable_alarm(SensorAddress address, AlarmType alarmType) -> bool
    disable_alarm(SensorAddress address, AlarmType alarmType) -> bool

    get_one_sensor(SensorAddress address) -> SensorInfo
    //get_all_sensors_a(out SensorInfoList infos @length(count), out uint32 count, ) -> bool
    get_all_sensors_b() -> SensorInfoList

    save_settings() -> SavedState
    load_settings(SavedState savedState) -> bool

    //! Reads one sensor synchronously.
    read_one_sensor(SensorAddress address) -> float

    //! Sends read_results() asynchronously.
    read_sensors(list<SensorAddress> addresses @length(count), uint32 count) -> bool
}

//! Asynchronous events from M4 to Linux.
interface TempAsync
{
    //! Void return so we can verify the message was received.
    alarm_fired(SensorAddress addr, float temp) -> void

    //! Oneway since it's less important than an alarm.
    oneway read_results(list<SensorReadResult> results @length(count), uint32 count)
}