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/*
* libmostvolume example
*
* Copyright (C) 2017 Microchip Technology Germany II GmbH & Co. KG
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You may also obtain this software under a propriety license from Microchip.
* Please contact Microchip for further information.
*
*/
#ifndef DEVICEVALUE_H
#define DEVICEVALUE_H
#include <stdint.h>
#include "libmostvolume.h"
struct SRxMessage {
uint32_t devInst; /*instance if multiple devices are using the same group id*/
uint32_t sourceAddr;
uint32_t targetAddr;
uint32_t nFBlock;
uint32_t nInst;
uint32_t nFunc;
uint32_t nOpType;
const uint8_t *pPayload;
uint32_t payloadLen;
};
struct STxMessage {
uint32_t devInst; /*instance if multiple devices are using the same group id*/
uint32_t targetAddr;
uint32_t nFBlock;
uint32_t nInst;
uint32_t nFunc;
uint32_t nOpType;
const uint8_t *pPayload;
uint32_t payloadLen;
};
enum DeviceValueType {
DEVICE_VAL_MASTER = 0,
DEVICE_VAL_LEFT = 1,
DEVICE_VAL_RIGHT = 2
};
class CDeviceValue {
public:
CDeviceValue(uint16_t address, DeviceValueType type, uint16_t key);
virtual ~CDeviceValue();
uint16_t GetKey(){return _key;}
DeviceValueType GetType(){return _type;} // returns the assigned type
void SetValue(uint8_t value){_target_value = value;} // sets desired value
bool RequiresUpdate(); // returns true if target is not actual value
// returns true if success, false if failed
// -> stop transmission
bool FireUpdateMessage(lib_most_volume_writei2c_cb_t writei2c_fptr,
lib_most_volume_writei2c_result_cb_t result_fptr,
void *result_user_ptr);// fires message & updates actual value
void SetAvailable(bool active){this->_is_available = active; _actual_value = 0x01u;}
bool IsAvailable() {return this->_is_available;}
uint16_t GetAddress() {return this->_address;}
private:
void ApplyMostValue(uint8_t value, DeviceValueType type, uint8_t tx_payload[]);
void HandleI2cResult(uint8_t result);
static void OnI2cResult(uint8_t result, void *obj_ptr);
bool _is_available; // related node is available
bool _is_busy; // do not update while busy
DeviceValueType _type; // determines the remote i2c command
uint16_t _key; // lookup key
uint16_t _address; // target node/group address
uint8_t _target_value; // desired value
uint8_t _transmitted_value;// value pending during transmission
uint8_t _actual_value; // value set and confirmed via network
uint8_t _tx_payload[20];
uint8_t _tx_payload_sz;
lib_most_volume_writei2c_result_cb_t _result_fptr;
void *_result_user_ptr;
};
#endif /* DEVICEPROPERTY_H */
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