/* Copyright 2023 Dual Tachyon
 * https://github.com/DualTachyon
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *     Unless required by applicable law or agreed to in writing, software
 *     distributed under the License is distributed on an "AS IS" BASIS,
 *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *     See the License for the specific language governing permissions and
 *     limitations under the License.
 */

#include <string.h>

#ifdef ENABLE_FMRADIO
	#include "app/fm.h"
#endif
#include "driver/eeprom.h"
#include "driver/uart.h"
#include "misc.h"
#include "settings.h"

eeprom_config_t g_eeprom;

#ifdef ENABLE_FMRADIO
	void SETTINGS_SaveFM(void)
	{
		unsigned int i;

		struct
		{
			uint16_t frequency;
			uint8_t  channel;
			bool     is_channel_selected;
			uint8_t  padding[4];
		} state;

		memset(&state, 0xFF, sizeof(state));
		state.channel             = g_eeprom.fm_selected_channel;
		state.frequency           = g_eeprom.fm_selected_frequency;
		state.is_channel_selected = g_eeprom.fm_is_channel_mode;

		EEPROM_WriteBuffer(0x0E88, &state);

		for (i = 0; i < 5; i++)
			EEPROM_WriteBuffer(0x0E40 + (i * 8), &g_fm_channels[i * 4]);
	}
#endif

void SETTINGS_SaveVfoIndices(void)
{
	uint8_t State[8];

	#ifndef ENABLE_NOAA
		EEPROM_ReadBuffer(0x0E80, State, sizeof(State));
	#endif

	State[0] = g_eeprom.screen_channel[0];
	State[1] = g_eeprom.user_channel[0];
	State[2] = g_eeprom.freq_channel[0];
	State[3] = g_eeprom.screen_channel[1];
	State[4] = g_eeprom.user_channel[1];
	State[5] = g_eeprom.freq_channel[1];
	#ifdef ENABLE_NOAA
		State[6] = g_eeprom.noaa_channel[0];
		State[7] = g_eeprom.noaa_channel[1];
	#endif

	EEPROM_WriteBuffer(0x0E80, State);
}

// *************************************************

#if 0

const uint8_t calib1[] =
{	// my first radios calibration data
	0x0A, 0x4B, 0x53, 0x56, 0x59, 0x5C, 0x5F, 0x62, 0x64, 0x66, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0x05, 0x46, 0x50, 0x53, 0x56, 0x59, 0x5C, 0x5F,
	0x62, 0x64, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x5A, 0x2D, 0x29, 0x26,
	0x23, 0x20, 0x1D, 0x1A, 0x17, 0x14, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0x64, 0x30, 0x2D, 0x29, 0x26, 0x23, 0x20, 0x1D, 0x1A, 0x17, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0x5A, 0x14, 0x11, 0x0E, 0x0B, 0x08, 0x03, 0x02,
	0x02, 0x02, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x64, 0x11, 0x0E, 0x0B,
	0x08, 0x05, 0x05, 0x04, 0x04, 0x04, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0x32, 0x68, 0x6B, 0x6E, 0x6F, 0x72, 0x75, 0x77, 0x79, 0x7B, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0x28, 0x64, 0x67, 0x6A, 0x6C, 0x6E, 0x71, 0x73,
	0x76, 0x78, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x41, 0x32, 0x2D, 0x28,
	0x24, 0x21, 0x1E, 0x1A, 0x17, 0x16, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0x46, 0x37, 0x32, 0x2D, 0x28, 0x25, 0x22, 0x1E, 0x1B, 0x19, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0x5A, 0x19, 0x0F, 0x0A, 0x09, 0x08, 0x07, 0x06,
	0x05, 0x04, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x64, 0x1E, 0x14, 0x0F,
	0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0x6E, 0x00, 0x78, 0x00, 0x82, 0x00, 0x8C, 0x00, 0x86, 0x00, 0xAA, 0x00,
	0xCE, 0x00, 0xF2, 0x00, 0x32, 0x32, 0x32, 0x64, 0x64, 0x64, 0x8C, 0x8C,
	0x8C, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x32, 0x32, 0x32, 0x64,
	0x64, 0x64, 0x8C, 0x8C, 0x8C, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0x5F, 0x5F, 0x5F, 0x69, 0x69, 0x69, 0x91, 0x91, 0x8F, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0x32, 0x32, 0x32, 0x64, 0x64, 0x64, 0x8C, 0x8C,
	0x8C, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x5A, 0x5A, 0x5A, 0x64,
	0x64, 0x64, 0x82, 0x82, 0x82, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0x5A, 0x5A, 0x5A, 0x64, 0x64, 0x64, 0x8F, 0x91, 0x8A, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0x32, 0x32, 0x32, 0x64, 0x64, 0x64, 0x8C, 0x8C,
	0x8C, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xDE, 0x04, 0xFA, 0x06,
	0x45, 0x07, 0x5E, 0x07, 0xC5, 0x07, 0xFC, 0x08, 0xFF, 0xFF, 0xFF, 0xFF,
	0x1E, 0x00, 0x32, 0x00, 0x46, 0x00, 0x5A, 0x00, 0x6E, 0x00, 0x82, 0x00,
	0x96, 0x00, 0xAA, 0x00, 0xC8, 0x00, 0xE6, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
	0x14, 0x00, 0x28, 0x00, 0x3C, 0x00, 0x50, 0x00, 0x64, 0x00, 0x78, 0x00,
	0x8C, 0x00, 0xA0, 0x00, 0xBE, 0x00, 0xDC, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
	0x03, 0x08, 0x10, 0x18, 0x1F, 0xFF, 0xFF, 0xFF, 0x04, 0x00, 0x46, 0x00,
	0x50, 0x00, 0x2C, 0x0E, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};

const uint8_t calib2[] =
{	// my 2nd radios calibration data
	0x0A, 0x4B, 0x53, 0x56, 0x59, 0x5C, 0x5F, 0x62, 0x64, 0x66, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0x05, 0x46, 0x50, 0x53, 0x56, 0x59, 0x5C, 0x5F,
	0x62, 0x64, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x5A, 0x2D, 0x29, 0x26,
	0x23, 0x20, 0x1D, 0x1A, 0x17, 0x14, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0x64, 0x30, 0x2D, 0x29, 0x26, 0x23, 0x20, 0x1D, 0x1A, 0x17, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0x5A, 0x14, 0x11, 0x0E, 0x0B, 0x08, 0x03, 0x02,
	0x02, 0x02, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x64, 0x11, 0x0E, 0x0B,
	0x08, 0x05, 0x05, 0x04, 0x04, 0x04, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0x32, 0x68, 0x6B, 0x6E, 0x6F, 0x72, 0x75, 0x77, 0x79, 0x7B, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0x28, 0x64, 0x67, 0x6A, 0x6C, 0x6E, 0x71, 0x73,
	0x76, 0x78, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x41, 0x32, 0x2D, 0x28,
	0x24, 0x21, 0x1E, 0x1A, 0x17, 0x16, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0x46, 0x37, 0x32, 0x2D, 0x28, 0x25, 0x22, 0x1E, 0x1B, 0x19, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0x5A, 0x19, 0x0F, 0x0A, 0x09, 0x08, 0x07, 0x06,
	0x05, 0x04, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x64, 0x1E, 0x14, 0x0F,
	0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0x6E, 0x00, 0x78, 0x00, 0x82, 0x00, 0x8C, 0x00, 0x86, 0x00, 0xAA, 0x00,
	0xCE, 0x00, 0xF2, 0x00, 0x32, 0x32, 0x32, 0x64, 0x64, 0x64, 0x8C, 0x8C,
	0x8C, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x32, 0x32, 0x32, 0x64,
	0x64, 0x64, 0x8C, 0x8C, 0x8C, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0x5F, 0x5F, 0x5F, 0x69, 0x69, 0x69, 0x7B, 0x7D, 0x7F, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0x32, 0x32, 0x32, 0x64, 0x64, 0x64, 0x8C, 0x8C,
	0x8C, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x5A, 0x5A, 0x5A, 0x64,
	0x64, 0x64, 0x82, 0x82, 0x82, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0x5A, 0x5A, 0x5A, 0x64, 0x64, 0x64, 0x8B, 0x8D, 0x8A, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0x32, 0x32, 0x32, 0x64, 0x64, 0x64, 0x8C, 0x8C,
	0x8C, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xEE, 0x04, 0x10, 0x07,
	0x5A, 0x07, 0x73, 0x07, 0xD9, 0x07, 0xFC, 0x08, 0xFF, 0xFF, 0xFF, 0xFF,
	0x1E, 0x00, 0x32, 0x00, 0x46, 0x00, 0x5A, 0x00, 0x6E, 0x00, 0x82, 0x00,
	0x96, 0x00, 0xAA, 0x00, 0xC8, 0x00, 0xE6, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
	0x14, 0x00, 0x28, 0x00, 0x3C, 0x00, 0x50, 0x00, 0x64, 0x00, 0x78, 0x00,
	0x8C, 0x00, 0xA0, 0x00, 0xBE, 0x00, 0xDC, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
	0x03, 0x08, 0x0E, 0x13, 0x18, 0xFF, 0xFF, 0xFF, 0x05, 0x00, 0x46, 0x00,
	0x50, 0x00, 0x2C, 0x0E, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};

void SETTINGS_restore_calibration(void)
{
//	const uint8_t buf[8] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
	unsigned int index = 0;
	while (index < sizeof(calib2))
	{
		const unsigned int addr = 0x1E00 + index;
		EEPROM_WriteBuffer(addr, &calib2[index]);
//		EEPROM_WriteBuffer(addr, buf);
		index += 8;
	}
}

#endif

// *************************************************

void SETTINGS_SaveSettings(void)
{
	uint8_t State[8];

	State[0] = g_eeprom.chan_1_call;
	State[1] = g_eeprom.squelch_level;
	State[2] = g_eeprom.tx_timeout_timer;
	#ifdef ENABLE_NOAA
		State[3] = g_eeprom.noaa_auto_scan;
	#else
		State[3] = false;
	#endif
	State[4] = g_eeprom.key_lock;
	#ifdef ENABLE_VOX
		State[5] = g_eeprom.vox_switch;
		State[6] = g_eeprom.vox_level;
	#else
		State[5] = false;
		State[6] = 0;
	#endif
	State[7] = g_eeprom.mic_sensitivity;
	EEPROM_WriteBuffer(0x0E70, State);

	//State[0] = 0xFF;
	State[0] = g_setting_contrast;
	State[1] = g_eeprom.channel_display_mode;
	State[2] = g_eeprom.cross_vfo_rx_tx;
	State[3] = g_eeprom.battery_save;
	State[4] = g_eeprom.dual_watch;
	State[5] = g_eeprom.backlight;
	State[6] = g_eeprom.tail_note_elimination;
	State[7] = g_eeprom.vfo_open;
	EEPROM_WriteBuffer(0x0E78, State);

	State[0] = g_eeprom.beep_control;
	State[1] = g_eeprom.key1_short_press_action;
	State[2] = g_eeprom.key1_long_press_action;
	State[3] = g_eeprom.key2_short_press_action;
	State[4] = g_eeprom.key2_long_press_action;
	State[5] = g_eeprom.scan_resume_mode;
	State[6] = g_eeprom.auto_keypad_lock;
	State[7] = g_eeprom.pwr_on_display_mode;
	EEPROM_WriteBuffer(0x0E90, State);

	{
		struct {
			uint32_t password;
			uint32_t spare;
		} __attribute__((packed)) array;

		memset(&array, 0xff, sizeof(array));
		#ifdef ENABLE_PWRON_PASSWORD
			array.password = g_eeprom.power_on_password;
		#endif

		EEPROM_WriteBuffer(0x0E98, &array);
	}

	#ifdef ENABLE_VOICE
		memset(State, 0xFF, sizeof(State));
		State[0] = g_eeprom.voice_prompt;
		EEPROM_WriteBuffer(0x0EA0, State);
	#endif

	// *****************************

	{
		struct {
			uint8_t  alarm_mode;
			uint8_t  roger_mode;
			uint8_t  repeater_tail_tone_elimination;
			uint8_t  tx_vfo;
			uint32_t air_copy_freq;
		} __attribute__((packed)) array;

		memset(&array, 0xff, sizeof(array));

		#if defined(ENABLE_ALARM) || defined(ENABLE_TX1750)
			array.alarm_mode                 = g_eeprom.alarm_mode;
		#else
			array.alarm_mode                 = false;
		#endif
		array.roger_mode                     = g_eeprom.roger_mode;
		array.repeater_tail_tone_elimination = g_eeprom.repeater_tail_tone_elimination;
		array.tx_vfo                         = g_eeprom.tx_vfo;
		#ifdef ENABLE_AIRCOPY_FREQ
			// remember the AIRCOPY frequency
			array.air_copy_freq              = g_aircopy_freq;
		#endif

		EEPROM_WriteBuffer(0x0EA8, &array);
	}

	State[0] = g_eeprom.dtmf_side_tone;
	State[1] = g_eeprom.dtmf_separate_code;
	State[2] = g_eeprom.dtmf_group_call_code;
	State[3] = g_eeprom.dtmf_decode_response;
	State[4] = g_eeprom.dtmf_auto_reset_time;
	State[5] = g_eeprom.dtmf_preload_time / 10U;
	State[6] = g_eeprom.dtmf_first_code_persist_time / 10U;
	State[7] = g_eeprom.dtmf_hash_code_persist_time / 10U;
	EEPROM_WriteBuffer(0x0ED0, State);

	memset(State, 0xFF, sizeof(State));
	State[0] = g_eeprom.dtmf_code_persist_time / 10U;
	State[1] = g_eeprom.dtmf_code_interval_time / 10U;
	State[2] = g_eeprom.permit_remote_kill;
	EEPROM_WriteBuffer(0x0ED8, State);

	State[0] = g_eeprom.scan_list_default;
	State[1] = g_eeprom.scan_list_enabled[0];
	State[2] = g_eeprom.scan_list_priority_ch1[0];
	State[3] = g_eeprom.scan_list_priority_ch2[0];
	State[4] = g_eeprom.scan_list_enabled[1];
	State[5] = g_eeprom.scan_list_priority_ch1[1];
	State[6] = g_eeprom.scan_list_priority_ch2[1];
	State[7] = 0xFF;
	EEPROM_WriteBuffer(0x0F18, State);

	memset(State, 0xFF, sizeof(State));
	State[0]  = g_setting_freq_lock;
	State[1]  = g_setting_350_tx_enable;
	#ifdef ENABLE_KILL_REVIVE
		State[2] = g_setting_radio_disabled;
	#else
		State[2] = false;
	#endif
	State[3]  = g_setting_174_tx_enable;
	State[4]  = g_setting_470_tx_enable;
	State[5]  = g_setting_350_enable;
	if (!g_setting_scramble_enable)       State[6] &= ~(1u << 0);
	#ifdef ENABLE_RSSI_BAR
		if (!g_setting_rssi_bar)          State[6] &= ~(1u << 1);
	#endif
	if (!g_setting_tx_enable)             State[7] &= ~(1u << 0);
	if (!g_setting_live_dtmf_decoder)     State[7] &= ~(1u << 1);
	State[7] = (State[7] & ~(3u << 2)) | ((g_setting_battery_text & 3u) << 2);
	#ifdef ENABLE_AUDIO_BAR
		if (!g_setting_mic_bar)           State[7] &= ~(1u << 4);
	#endif
	#ifdef ENABLE_AM_FIX
		if (!g_setting_am_fix)            State[7] &= ~(1u << 5);
	#endif
	State[7] = (State[7] & ~(3u << 6)) | ((g_setting_backlight_on_tx_rx & 3u) << 6);
	EEPROM_WriteBuffer(0x0F40, State);
	
	memset(State, 0xFF, sizeof(State));
	State[0] = g_eeprom.scan_hold_time_500ms;
	EEPROM_WriteBuffer(0x0F48, State);
}

void SETTINGS_SaveChannel(uint8_t Channel, uint8_t VFO, const vfo_info_t *pVFO, uint8_t Mode)
{
	const uint16_t OffsetMR  = Channel * 16;
	      uint16_t OffsetVFO = OffsetMR;
	      uint8_t  State[8];

	if (IS_NOAA_CHANNEL(Channel))
		return;

	if (IS_FREQ_CHANNEL(Channel))
	{	// it's a VFO
		OffsetVFO  = (VFO == 0) ? 0x0C80 : 0x0C90;
		OffsetVFO += (Channel - FREQ_CHANNEL_FIRST) * 32;
	}

	if (Mode < 2 && Channel <= USER_CHANNEL_LAST)
		return;

	#if defined(ENABLE_UART) && defined(ENABLE_UART_DEBUG)
//		UART_printf("sav_chan %u %u %u\r\n", Channel, VFO, Mode);
	#endif

	((uint32_t *)State)[0] = pVFO->freq_config_rx.frequency;
	((uint32_t *)State)[1] = pVFO->tx_offset_freq;
	EEPROM_WriteBuffer(OffsetVFO + 0, State);

	State[0] =  pVFO->freq_config_rx.code;
	State[1] =  pVFO->freq_config_tx.code;
	State[2] = (pVFO->freq_config_tx.code_type << 4) | pVFO->freq_config_rx.code_type;
	State[3] = ((pVFO->am_mode & 1u)           << 4) | pVFO->tx_offset_freq_dir;
	State[4] =
		(pVFO->compand           << 6) |
		(pVFO->busy_channel_lock << 4) |
		(pVFO->output_power      << 2) |
		(pVFO->channel_bandwidth << 1) |
		(pVFO->frequency_reverse  << 0);
	State[5] = ((pVFO->dtmf_ptt_id_tx_mode & 7u) << 1) | ((pVFO->dtmf_decoding_enable & 1u) << 0);
	State[6] =  pVFO->step_setting;
	State[7] =  pVFO->scrambling_type;
	EEPROM_WriteBuffer(OffsetVFO + 8, State);

	SETTINGS_UpdateChannel(Channel, pVFO, true);

	if (Channel > USER_CHANNEL_LAST)
		return;	                       // it's not a user memory channel

	#ifndef ENABLE_KEEP_MEM_NAME
		// clear/reset the channel name
		memset(&State, 0, sizeof(State));
		EEPROM_WriteBuffer(0x0F50 + OffsetMR, State);
		EEPROM_WriteBuffer(0x0F58 + OffsetMR, State);
	#else
		if (Mode >= 3)
		{	// save the channel name
			memmove(State, pVFO->name + 0, 8);
			EEPROM_WriteBuffer(0x0F50 + OffsetMR, State);
			memset(State, 0, sizeof(State));
			memmove(State, pVFO->name + 8, 2);
			EEPROM_WriteBuffer(0x0F58 + OffsetMR, State);
		}
	#endif
}

void SETTINGS_UpdateChannel(uint8_t Channel, const vfo_info_t *pVFO, bool keep)
{
	uint8_t  State[8];
	uint8_t  Attributes = 0xFF;        // default attributes
	uint16_t Offset = 0x0D60 + (Channel & ~7u);

	if (IS_NOAA_CHANNEL(Channel))
		return;

	EEPROM_ReadBuffer(Offset, State, sizeof(State));

	if (keep)
	{
		Attributes = (pVFO->scanlist_1_participation << 7) | (pVFO->scanlist_2_participation << 6) | (pVFO->band << 0);
		if (State[Channel & 7u] == Attributes)
			return; // no change in the attributes .. don't place wear on the eeprom
	}

	State[Channel & 7u] = Attributes;

	EEPROM_WriteBuffer(Offset, State);

	g_user_channel_attributes[Channel] = Attributes;

//	#ifndef ENABLE_KEEP_MEM_NAME
		if (Channel <= USER_CHANNEL_LAST)
		{	// user memory channel

			const uint16_t OffsetMR = Channel * 16;
			if (!keep)
			{	// clear/reset the channel name
				memset(&State, 0, sizeof(State));
				EEPROM_WriteBuffer(0x0F50 + OffsetMR, State);
				EEPROM_WriteBuffer(0x0F58 + OffsetMR, State);
			}
//			else
//			{	// update the channel name
//				memmove(State, pVFO->name + 0, 8);
//				EEPROM_WriteBuffer(0x0F50 + OffsetMR, State);
//				memset(State, 0, sizeof(State));
//				memmove(State, pVFO->name + 8, 2);
//				EEPROM_WriteBuffer(0x0F58 + OffsetMR, State);
//			}
		}
//	#endif
}