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CalNXDN.cpp
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CalNXDN.cpp
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/*
* Copyright (C) 2018 by Andy Uribe CA6JAU
* Copyright (C) 2020 by Jonathan Naylor G4KLX
*
* 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#if defined(MODE_NXDN)
#include "Globals.h"
#include "CalNXDN.h"
// NXDN 1031 Hz Test Pattern, RAN: 1, Unit ID: 1, Dst Group ID: 1, Outbound Direction
const uint8_t NXDN_CAL1K[4][49] = {
{0x00U,
0xCDU, 0xF5U, 0x9DU, 0x5DU, 0x7CU, 0xFAU, 0x0AU, 0x6EU, 0x8AU, 0x23U, 0x56U, 0xE8U,
0x4CU, 0xAAU, 0xDEU, 0x8BU, 0x26U, 0xE4U, 0xF2U, 0x82U, 0x88U,
0xC6U, 0x8AU, 0x74U, 0x29U, 0xA4U, 0xECU, 0xD0U, 0x08U, 0x22U,
0xCEU, 0xA2U, 0xFCU, 0x01U, 0x8CU, 0xECU, 0xDAU, 0x0AU, 0xA0U,
0xEEU, 0x8AU, 0x7EU, 0x2BU, 0x26U, 0xCCU, 0xF8U, 0x8AU, 0x08U},
{0x00U,
0xCDU, 0xF5U, 0x9DU, 0x5DU, 0x7CU, 0x6DU, 0xBBU, 0x0EU, 0xB3U, 0xA4U, 0x26U, 0xA8U,
0x4CU, 0xAAU, 0xDEU, 0x8BU, 0x26U, 0xE4U, 0xF2U, 0x82U, 0x88U,
0xC6U, 0x8AU, 0x74U, 0x29U, 0xA4U, 0xECU, 0xD0U, 0x08U, 0x22U,
0xCEU, 0xA2U, 0xFCU, 0x01U, 0x8CU, 0xECU, 0xDAU, 0x0AU, 0xA0U,
0xEEU, 0x8AU, 0x7EU, 0x2BU, 0x26U, 0xCCU, 0xF8U, 0x8AU, 0x08U},
{0x00U,
0xCDU, 0xF5U, 0x9DU, 0x5DU, 0x76U, 0x3AU, 0x1BU, 0x4AU, 0x81U, 0xA8U, 0xE2U, 0x80U,
0x4CU, 0xAAU, 0xDEU, 0x8BU, 0x26U, 0xE4U, 0xF2U, 0x82U, 0x88U,
0xC6U, 0x8AU, 0x74U, 0x29U, 0xA4U, 0xECU, 0xD0U, 0x08U, 0x22U,
0xCEU, 0xA2U, 0xFCU, 0x01U, 0x8CU, 0xECU, 0xDAU, 0x0AU, 0xA0U,
0xEEU, 0x8AU, 0x7EU, 0x2BU, 0x26U, 0xCCU, 0xF8U, 0x8AU, 0x08U},
{0x00U,
0xCDU, 0xF5U, 0x9DU, 0x5DU, 0x74U, 0x28U, 0x83U, 0x02U, 0xB0U, 0x2DU, 0x07U, 0xE2U,
0x4CU, 0xAAU, 0xDEU, 0x8BU, 0x26U, 0xE4U, 0xF2U, 0x82U, 0x88U,
0xC6U, 0x8AU, 0x74U, 0x29U, 0xA4U, 0xECU, 0xD0U, 0x08U, 0x22U,
0xCEU, 0xA2U, 0xFCU, 0x01U, 0x8CU, 0xECU, 0xDAU, 0x0AU, 0xA0U,
0xEEU, 0x8AU, 0x7EU, 0x2BU, 0x26U, 0xCCU, 0xF8U, 0x8AU, 0x08U}};
CCalNXDN::CCalNXDN() :
m_transmit(false),
m_state(NXDNCAL1K_IDLE),
m_audioSeq(0U)
{
}
void CCalNXDN::process()
{
nxdnTX.process();
uint16_t space = nxdnTX.getSpace();
if (space < 1U)
return;
switch (m_state) {
case NXDNCAL1K_TX:
nxdnTX.writeData(NXDN_CAL1K[m_audioSeq], NXDN_FRAME_LENGTH_BYTES + 1U);
m_audioSeq = (m_audioSeq + 1U) % 4U;
if(!m_transmit)
m_state = NXDNCAL1K_IDLE;
break;
default:
m_state = NXDNCAL1K_IDLE;
m_audioSeq = 0U;
break;
}
}
uint8_t CCalNXDN::write(const uint8_t* data, uint16_t length)
{
if (length != 1U)
return 4U;
m_transmit = data[0U] == 1U;
if(m_transmit && m_state == NXDNCAL1K_IDLE)
m_state = NXDNCAL1K_TX;
return 0U;
}
#endif