OpenRTX/platform/drivers/NVM/nvmem_MD3x0.c

248 lines
8.6 KiB
C

/***************************************************************************
* Copyright (C) 2020 by Federico Amedeo Izzo IU2NUO, *
* Niccolò Izzo IU2KIN *
* Frederik Saraci IU2NRO *
* Silvano Seva IU2KWO *
* *
* 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 3 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/> *
***************************************************************************/
#include <interfaces/nvmem.h>
#include <interfaces/delays.h>
#include <calibInfo_MDx.h>
#include "W25Qx.h"
/**
* \internal Data structure matching the one used by original MD3x0 firmware to
* manage channel data inside nonvolatile flash memory.
*
* Taken by dmrconfig repository: https://github.com/sergev/dmrconfig/blob/master/md380.c
*/
typedef struct
{
// Byte 0
uint8_t channel_mode : 2,
bandwidth : 2,
autoscan : 1,
squelch : 1,
_unused1 : 1,
lone_worker : 1;
// Byte 1
uint8_t talkaround : 1,
rx_only : 1,
repeater_slot : 2,
colorcode : 4;
// Byte 2
uint8_t privacy_no : 4,
privacy : 2,
private_call_conf : 1,
data_call_conf : 1;
// Byte 3
uint8_t rx_ref_frequency : 2,
_unused2 : 1,
emergency_alarm_ack : 1,
_unused3 : 2,
uncompressed_udp : 1,
display_pttid_dis : 1;
// Byte 4
uint8_t tx_ref_frequency : 2,
_unused4 : 2,
vox : 1,
power : 1,
admit_criteria : 2;
// Byte 5
uint8_t _unused5 : 4,
in_call_criteria : 2,
_unused6 : 2;
// Bytes 6-7
uint16_t contact_name_index;
// Bytes 8-9
uint8_t tot : 6,
_unused13 : 2;
uint8_t tot_rekey_delay;
// Bytes 10-11
uint8_t emergency_system_index;
uint8_t scan_list_index;
// Bytes 12-13
uint8_t group_list_index;
uint8_t _unused7;
// Bytes 14-15
uint8_t _unused8;
uint8_t _unused9;
// Bytes 16-23
uint32_t rx_frequency;
uint32_t tx_frequency;
// Bytes 24-27
uint16_t ctcss_dcs_receive;
uint16_t ctcss_dcs_transmit;
// Bytes 28-29
uint8_t rx_signaling_syst;
uint8_t tx_signaling_syst;
// Bytes 30-31
uint8_t _unused10;
uint8_t _unused11;
// Bytes 32-63
uint16_t name[16];
}
md3x0Channel_t;
const uint32_t chDataBaseAddr = 0x1ee00; /**< Base address of channel data */
const uint32_t maxNumChannels = 1000; /**< Maximum number of channels in memory */
/**
* \internal Utility function to convert 4 byte BCD values into a 32-bit
* unsigned integer ones.
*/
uint32_t _bcd2bin(uint32_t bcd)
{
return ((bcd >> 28) & 0x0F) * 10000000 +
((bcd >> 24) & 0x0F) * 1000000 +
((bcd >> 20) & 0x0F) * 100000 +
((bcd >> 16) & 0x0F) * 10000 +
((bcd >> 12) & 0x0F) * 1000 +
((bcd >> 8) & 0x0F) * 100 +
((bcd >> 4) & 0x0F) * 10 +
(bcd & 0x0F);
}
void nvm_init()
{
W25Qx_init();
}
void nvm_terminate()
{
W25Qx_terminate();
}
void nvm_readCalibData(void *buf)
{
W25Qx_wakeup();
delayUs(5);
md3x0Calib_t *calib = ((md3x0Calib_t *) buf);
(void) W25Qx_readSecurityRegister(0x1000, &(calib->vox1), 11);
(void) W25Qx_readSecurityRegister(0x1010, calib->txHighPower, 9);
(void) W25Qx_readSecurityRegister(0x1020, calib->txLowPower, 9);
(void) W25Qx_readSecurityRegister(0x1030, calib->rxSensitivity, 9);
(void) W25Qx_readSecurityRegister(0x1040, calib->openSql9, 9);
(void) W25Qx_readSecurityRegister(0x1050, calib->closeSql9, 9);
(void) W25Qx_readSecurityRegister(0x1060, calib->openSql1, 9);
(void) W25Qx_readSecurityRegister(0x1070, calib->closeSql1, 9);
(void) W25Qx_readSecurityRegister(0x1080, calib->maxVolume, 9);
(void) W25Qx_readSecurityRegister(0x1090, calib->ctcss67Hz, 9);
(void) W25Qx_readSecurityRegister(0x10a0, calib->ctcss151Hz, 9);
(void) W25Qx_readSecurityRegister(0x10b0, calib->ctcss254Hz, 9);
(void) W25Qx_readSecurityRegister(0x10c0, calib->dcsMod2, 9);
(void) W25Qx_readSecurityRegister(0x10d0, calib->dcsMod1, 9);
(void) W25Qx_readSecurityRegister(0x10e0, calib->mod1Partial, 9);
(void) W25Qx_readSecurityRegister(0x10f0, calib->analogVoiceAdjust, 9);
(void) W25Qx_readSecurityRegister(0x2000, calib->lockVoltagePartial, 9);
(void) W25Qx_readSecurityRegister(0x2010, calib->sendIpartial, 9);
(void) W25Qx_readSecurityRegister(0x2020, calib->sendQpartial, 9);
(void) W25Qx_readSecurityRegister(0x2030, calib->sendIrange, 9);
(void) W25Qx_readSecurityRegister(0x2040, calib->sendQrange, 9);
(void) W25Qx_readSecurityRegister(0x2050, calib->rxIpartial, 9);
(void) W25Qx_readSecurityRegister(0x2060, calib->rxQpartial, 9);
(void) W25Qx_readSecurityRegister(0x2070, calib->analogSendIrange, 9);
(void) W25Qx_readSecurityRegister(0x2080, calib->analogSendQrange, 9);
uint32_t freqs[18];
(void) W25Qx_readSecurityRegister(0x20b0, ((uint8_t *) &freqs), 72);
W25Qx_sleep();
/*
* Ugly quirk: frequency stored in calibration data is divided by ten, so,
* after bcd2bin conversion we have something like 40'135'000. To ajdust
* things, frequency has to be multiplied by ten.
*/
for(uint8_t i = 0; i < 9; i++)
{
calib->rxFreq[i] = ((freq_t) _bcd2bin(freqs[2*i])) * 10;
calib->txFreq[i] = ((freq_t) _bcd2bin(freqs[2*i+1])) * 10;
}
}
int nvm_readChannelData(channel_t *channel, uint16_t pos)
{
if(pos > maxNumChannels) return -1;
W25Qx_wakeup();
delayUs(5);
md3x0Channel_t chData;
uint32_t readAddr = chDataBaseAddr + pos * sizeof(md3x0Channel_t);
W25Qx_readData(readAddr, ((uint8_t *) &chData), sizeof(md3x0Channel_t));
W25Qx_sleep();
channel->mode = chData.channel_mode - 1;
channel->bandwidth = chData.bandwidth;
channel->admit_criteria = chData.admit_criteria;
channel->squelch = chData.squelch;
channel->rx_only = chData.rx_only;
channel->vox = chData.vox;
channel->power = ((chData.power == 1) ? 5.0f : 1.0f);
channel->rx_frequency = _bcd2bin(chData.rx_frequency);
channel->tx_frequency = _bcd2bin(chData.tx_frequency);
channel->tot = chData.tot;
channel->tot_rekey_delay = chData.tot_rekey_delay;
channel->emSys_index = chData.emergency_system_index;
channel->scanList_index = chData.scan_list_index;
channel->groupList_index = chData.group_list_index;
/*
* Brutally convert channel name from unicode to char by truncating the most
* significant byte
*/
for(uint16_t i = 0; i < 16; i++)
{
channel->name[i] = ((char) (chData.name[i] & 0x00FF));
}
/* Load mode-specific parameters */
if(channel->mode == FM)
{
channel->fm.rxToneEn = chData.ctcss_dcs_receive != 0;
channel->fm.rxTone = chData.ctcss_dcs_receive;
channel->fm.txToneEn = chData.ctcss_dcs_transmit != 0;
channel->fm.txTone = chData.ctcss_dcs_transmit;
}
else if(channel->mode == DMR)
{
channel->dmr.contactName_index = chData.contact_name_index;
channel->dmr.dmr_timeslot = chData.repeater_slot;
channel->dmr.rxColorCode = chData.colorcode;
channel->dmr.txColorCode = chData.colorcode;
}
return 0;
}