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ADF7021.h
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ADF7021.h
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/*
* Copyright (C) 2016 by Jim McLaughlin KI6ZUM
* Copyright (C) 2016,2017,2018 by Andy Uribe CA6JAU
* Copyright (C) 2017 by Danilo DB4PLE
*
* Some of the code is based on work of Guus Van Dooren PE1PLM:
* https://github.com/ki6zum/gmsk-dstar/blob/master/firmware/dvmega/dvmega.ino
*
* 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.
*/
#if !defined(ADF7021_H)
#define ADF7021_H
#include "Config.h"
#if defined(ENABLE_ADF7021)
/*
- Most of the registers values are obteined from ADI eval software:
http://www.analog.com/en/products/rf-microwave/integrated-transceivers-transmitters-receivers/low-power-rf-transceivers/adf7021.html
- or ADF7021 datasheet formulas:
www.analog.com/media/en/technical-documentation/data-sheets/ADF7021.pdf
*/
/***** Test modes ****/
// Enable SWD pin to access the demodulator output signal:
// (See application note AN-852 and ADF7021 datasheet, page 60)
// #define TEST_DAC
// Transmit the carrier frequency:
// #define TEST_TX
/*********************/
// Disable TX Raised Cosine filter for 4FSK modulation in ADF7021:
// #define ADF7021_DISABLE_RC_4FSK
// Support for ADF7021-N version:
// #define ADF7021_N_VER
// Enable AFC support for DMR, YSF and P25 (experimental):
// (AFC is already enabled by default in D-Star)
// #define ADF7021_ENABLE_4FSK_AFC
// Configure AFC with positive initial frequency offset:
// #define ADF7021_AFC_POS
/****** Support for 14.7456 MHz TCXO (modified RF7021SE boards) ******/
#if defined(ADF7021_14_7456)
// R = 4
// DEMOD_CLK = 2.4576 MHz (DSTAR)
// DEMOD_CLK = 4.9152 MHz (DMR, YSF_L, P25)
// DEMOD_CLK = 7.3728 MHz (YSF_H)
// DEMOD CLK = 3.6864 MHz (NXDN)
// DEMOD_CLK = 7.3728 MHz (POCSAG)
#define ADF7021_PFD 3686400.0
// PLL (REG 01)
#define ADF7021_REG1_VHF1 0x021F5041
#define ADF7021_REG1_VHF2 0x021F5041
#define ADF7021_REG1_UHF1 0x00575041
#define ADF7021_REG1_UHF2 0x00535041
// Deviation of modulator (REG 02)
#define ADF7021_DEV_DSTAR 43U
#define ADF7021_DEV_DMR 23U
#define ADF7021_DEV_YSF_L 16U
#define ADF7021_DEV_YSF_H 32U
#if defined(ENABLE_P25_WIDE)
#define ADF7021_DEV_P25 32U
#else
#define ADF7021_DEV_P25 22U
#endif
#define ADF7021_DEV_NXDN 13U
#define ADF7021_DEV_POCSAG 160U
// TX/RX CLOCK register (REG 03)
#define ADF7021_REG3_DSTAR 0x2A4C4193
#if defined(TEST_DAC)
#define ADF7021_REG3_DMR 0x2A4C04D3
#define ADF7021_REG3_YSF_L 0x2A4C04D3
#define ADF7021_REG3_YSF_H 0x2A4C0493
#define ADF7021_REG3_P25 0x2A4C04D3
#define ADF7021_REG3_NXDN 0x2A4C04D3
#else
#define ADF7021_REG3_DMR 0x2A4C80D3
#define ADF7021_REG3_YSF_L 0x2A4C80D3
#define ADF7021_REG3_YSF_H 0x2A4CC093
#define ADF7021_REG3_P25 0x2A4C80D3
#define ADF7021_REG3_NXDN 0x2A4CC113
#endif
#define ADF7021_REG3_POCSAG 0x2A4F0093
// Discriminator bandwith, demodulator (REG 04)
// Bug in ADI evaluation software, use datasheet formula (4FSK)
#define ADF7021_DISC_BW_DSTAR 522U // K=85
#define ADF7021_DISC_BW_DMR 393U // K=32
#define ADF7021_DISC_BW_YSF_L 393U // K=32
#define ADF7021_DISC_BW_YSF_H 516U // K=28
#define ADF7021_DISC_BW_P25 394U // K=32
#define ADF7021_DISC_BW_NXDN 295U // K=32
#define ADF7021_DISC_BW_POCSAG 406U // K=22
// Post demodulator bandwith (REG 04)
#define ADF7021_POST_BW_DSTAR 10U
#define ADF7021_POST_BW_DMR 80U
#define ADF7021_POST_BW_YSF 20U
#define ADF7021_POST_BW_P25 6U
#define ADF7021_POST_BW_NXDN 7U
#define ADF7021_POST_BW_POCSAG 1U
// IF filter (REG 05)
#define ADF7021_REG5 0x000024F5
// IF CAL (fine cal, defaults) (REG 06)
#define ADF7021_REG6 0x05070E16
// AFC configuration (REG 10)
#define ADF7021_REG10_DSTAR 0x0C96473A
#define ADF7021_REG10_POCSAG 0x1496473A
#if defined(ADF7021_ENABLE_4FSK_AFC)
#define ADF7021_REG10_DMR 0x01FE473A
#define ADF7021_REG10_YSF 0x01FE473A
#define ADF7021_REG10_P25 0x01FE473A
#define ADF7021_REG10_NXDN 0x01FE473A
#if defined(ADF7021_AFC_POS)
#define AFC_OFFSET_DMR -250
#define AFC_OFFSET_YSF -250
#define AFC_OFFSET_P25 -250
#define AFC_OFFSET_NXDN -250
#else
#define AFC_OFFSET_DMR 250
#define AFC_OFFSET_YSF 250
#define AFC_OFFSET_P25 250
#define AFC_OFFSET_NXDN 250
#endif
#else
#define ADF7021_REG10_DMR 0x049E472A
#define ADF7021_REG10_YSF 0x049E472A
#define ADF7021_REG10_P25 0x049E472A
#define ADF7021_REG10_NXDN 0x049E472A
#define AFC_OFFSET_DMR 0
#define AFC_OFFSET_YSF 0
#define AFC_OFFSET_P25 0
#define AFC_OFFSET_NXDN 0
#endif
/****** Support for 12.2880 MHz TCXO ******/
#elif defined(ADF7021_12_2880)
// R = 2
// DEMOD_CLK = 2.4576 MHz (DSTAR)
// DEMOD_CLK = 6.1440 MHz (DMR, YSF_H, YSF_L, P25)
// DEMOD_CLK = 3.0720 MHz (NXDN)
// DEMOD_CLK = 6.1440 MHz (POCSAG)
#define ADF7021_PFD 6144000.0
// PLL (REG 01)
#define ADF7021_REG1_VHF1 0x021F5021
#define ADF7021_REG1_VHF2 0x021F5021
#define ADF7021_REG1_UHF1 0x00575021
#define ADF7021_REG1_UHF2 0x00535021
// Deviation of modulator (REG 02)
#define ADF7021_DEV_DSTAR 26U
#define ADF7021_DEV_DMR 14U
#define ADF7021_DEV_YSF_L 10U
#define ADF7021_DEV_YSF_H 19U
#if defined(ENABLE_P25_WIDE)
#define ADF7021_DEV_P25 19U
#else
#define ADF7021_DEV_P25 13U
#endif
#define ADF7021_DEV_NXDN 8U
#define ADF7021_DEV_POCSAG 96U
// TX/RX CLOCK register (REG 03)
#define ADF7021_REG3_DSTAR 0x29EC4153
#if defined(TEST_DAC)
#define ADF7021_REG3_DMR 0x29EC0493
#define ADF7021_REG3_YSF_L 0x29EC0493
#define ADF7021_REG3_YSF_H 0x29EC0493
#define ADF7021_REG3_P25 0x29EC0493
#define ADF7021_REG3_NXDN 0x29EC0493
#else
#define ADF7021_REG3_DMR 0x29ECA093
#define ADF7021_REG3_YSF_L 0x29ECA093
#define ADF7021_REG3_YSF_H 0x29ECA093
#define ADF7021_REG3_P25 0x29ECA093
#define ADF7021_REG3_NXDN 0x29ECA113
#endif
#define ADF7021_REG3_POCSAG 0x29EE8093
// Discriminator bandwith, demodulator (REG 04)
// Bug in ADI evaluation software, use datasheet formula (4FSK)
#define ADF7021_DISC_BW_DSTAR 522U // K=85
#define ADF7021_DISC_BW_DMR 491U // K=32
#define ADF7021_DISC_BW_YSF_L 491U // K=32
#define ADF7021_DISC_BW_YSF_H 430U // K=28
#define ADF7021_DISC_BW_P25 493U // K=32
#define ADF7021_DISC_BW_NXDN 246U // K=32
#define ADF7021_DISC_BW_POCSAG 338U // K=22
// Post demodulator bandwith (REG 04)
#define ADF7021_POST_BW_DSTAR 10U
#define ADF7021_POST_BW_DMR 80U
#define ADF7021_POST_BW_YSF 20U
#define ADF7021_POST_BW_P25 6U
#define ADF7021_POST_BW_NXDN 8U
#define ADF7021_POST_BW_POCSAG 1U
// IF filter (REG 05)
#define ADF7021_REG5 0x00001ED5
// IF CAL (fine cal, defaults) (REG 06)
#define ADF7021_REG6 0x0505EBB6
// AFC (REG 10)
#define ADF7021_REG10_DSTAR 0x0C96557A
#define ADF7021_REG10_POCSAG 0x1496557A
#if defined(ADF7021_ENABLE_4FSK_AFC)
#define ADF7021_REG10_DMR 0x01FE557A
#define ADF7021_REG10_YSF 0x01FE557A
#define ADF7021_REG10_P25 0x01FE557A
#define ADF7021_REG10_NXDN 0x01FE557A
#if defined(ADF7021_AFC_POS)
#define AFC_OFFSET_DMR -250
#define AFC_OFFSET_YSF -250
#define AFC_OFFSET_P25 -250
#define AFC_OFFSET_NXDN -250
#else
#define AFC_OFFSET_DMR 250
#define AFC_OFFSET_YSF 250
#define AFC_OFFSET_P25 250
#define AFC_OFFSET_NXDN 250
#endif
#else
#define ADF7021_REG10_DMR 0x049E556A
#define ADF7021_REG10_YSF 0x049E556A
#define ADF7021_REG10_P25 0x049E556A
#define ADF7021_REG10_NXDN 0x049E556A
#define AFC_OFFSET_DMR 0
#define AFC_OFFSET_YSF 0
#define AFC_OFFSET_P25 0
#define AFC_OFFSET_NXDN 0
#endif
#endif
// Slicer threshold for 4FSK demodulator (REG 13)
#if defined(ADF7021_N_VER)
#define ADF7021_SLICER_TH_DSTAR 0U
#define ADF7021_SLICER_TH_DMR 51U
#define ADF7021_SLICER_TH_YSF_L 35U
#define ADF7021_SLICER_TH_YSF_H 69U
#define ADF7021_SLICER_TH_P25 43U
#define ADF7021_SLICER_TH_NXDN 26U
#else
#define ADF7021_SLICER_TH_DSTAR 0U
#define ADF7021_SLICER_TH_DMR 57U
#define ADF7021_SLICER_TH_YSF_L 38U
#define ADF7021_SLICER_TH_YSF_H 75U
#define ADF7021_SLICER_TH_P25 47U
#define ADF7021_SLICER_TH_NXDN 26U
#endif
#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
void Send_AD7021_control(bool doSle = true);
#if defined(DUPLEX)
void Send_AD7021_control2(bool doSle = true);
#endif
#if defined(ADF7021_DISABLE_RC_4FSK)
#define ADF7021_EVEN_BIT true
#else
#define ADF7021_EVEN_BIT false
#endif
#endif
#endif