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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.
*
*/
#include "device_value.h"
#include "callbacks.h"
#include "ucs_api.h"
#include "setup.h"
/*#include <iostream>*/
#define MUTE_VALUE 0x03FFU
#define MUTE_VALUE_HB 0x03U
#define MUTE_VALUE_LB 0xFFU
#define CONTROL_MASTER 0x07U
#define CONTROL_CH_1 0x08U
#define CONTROL_CH_2 0x09U
CDeviceValue::CDeviceValue(uint16_t address, DeviceValueType type, uint16_t key)
{
this->_is_initial = true;
this->_address = address;
this->_target_value = 0x01u;
this->_actual_value = 0x01u;
this->_type = type;
this->_key = key;
_tx_payload[0] = CONTROL_MASTER;// 7: master, 8: channel 1, 9: Channel 2
_tx_payload[1] = MUTE_VALUE_HB; //HB:Volume
_tx_payload[2] = MUTE_VALUE_LB; //LB:Volume
_tx_payload_sz = 3u;
}
CDeviceValue::~CDeviceValue()
{
}
void CDeviceValue::ApplyMostValue(uint8_t value, DeviceValueType type, uint8_t tx_payload[])
{
uint16_t tmp = MUTE_VALUE;
switch (type)
{
case DEVICE_VAL_LEFT:
tmp = 0x80U + 0x37FU - (0x37FU * ((int32_t)value) / (0xFFU));
//tmp = 0x3FF - (0x3FF * ((int32_t)value) / (0xFF));
//tmp = 0x100 + 0x2FF - (0x2FF * ((int32_t)value) / (0xFF));
tx_payload[0] = CONTROL_CH_1;
break;
case DEVICE_VAL_RIGHT:
tmp = 0x80U + 0x37FU - (0x37FU * ((int32_t)value) / (0xFFU));
//tmp = 0x3FF - (0x3FF * ((int32_t)value) / (0xFF));
//tmp = 0x100 + 0x2FF - (0x2FF * ((int32_t)value) / (0xFF));
tx_payload[0] = CONTROL_CH_2;
break;
default:
/*std::cerr << "CDeviceValue::ApplyMostValue() error matching incorrect" << std::endl;*/
case DEVICE_VAL_MASTER:
tmp = 0x100U + 0x2FFU - (0x2FFU * ((int32_t)value) / (0xFFU));
tx_payload[0] = CONTROL_MASTER;
break;
}
tx_payload[1] = (uint8_t)((tmp >> 8U) & (uint16_t)0xFFU); //HB:Volume
tx_payload[2] = (uint8_t)(tmp & (uint16_t)0xFFU); //LB:Volume
}
// returns true if target is not actual value
bool CDeviceValue::RequiresUpdate()
{
if (this->_target_value != this->_actual_value)
{
return true;
}
return false;
}
bool CDeviceValue::FireUpdateMessage(void)
{
Ucs_Return_t ret;
ApplyMostValue(this->_target_value, _type, _tx_payload);
ret = Ucs_I2c_WritePort( CSetup::GetInstance()->RetrieveUnicensInst(),
this->_address,
0x0F00u, /* i2c port handle */
UCS_I2C_DEFAULT_MODE, /* 0 */
0u, /* block count */
0x2Au, /* i2c slave address */
0x03E8u, /* timeout 1000 milliseconds */
_tx_payload_sz, /* data length */
&_tx_payload[0], /* data pointer */
&Clb_OnWriteI2CPortResult
);
if (ret == UCS_RET_SUCCESS)
{
// Clb_RegisterI2CResultCB(OnI2cResult, this);
// mark value as set!
this->_actual_value = this->_target_value;
return true;
}
return false;
}
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