/*
 * Settings.c
 *
 *  Created on: 29 Sep 2016
 *      Author: Ralim
 *
 *      This file holds the users settings and saves / restores them to the
 * devices flash
 */

#include "Settings.h"
#include "Setup.h"
#include "../../configuration.h"
#include "BSP.h"

#include "string.h"
volatile systemSettingsType systemSettings;

void saveSettings() {
	// First we erase the flash
	flash_save_buffer((uint8_t*) &systemSettings, sizeof(systemSettingsType));
}

bool restoreSettings() {
	// We read the flash
	flash_read_buffer((uint8_t*) &systemSettings, sizeof(systemSettingsType));

	// if the version is correct were done
	// if not we reset and save
	if (systemSettings.version != SETTINGSVERSION) {
		// probably not setup
		resetSettings();
		return true;
	}
	return false;
}
// Lookup function for cutoff setting -> X10 voltage
/*
 * 0=DC
 * 1=3S
 * 2=4S
 * 3=5S
 * 4=6S
 */
uint8_t lookupVoltageLevel() {
	if (systemSettings.minDCVoltageCells == 0)
		return 90;  // 9V since iron does not function effectively below this
	else
		return (systemSettings.minDCVoltageCells * 33) + (33 * 2);
}
void resetSettings() {
	memset((void*) &systemSettings, 0, sizeof(systemSettingsType));
	systemSettings.SleepTemp = SLEEP_TEMP; // Temperature the iron sleeps at - default 150.0 C
	systemSettings.SleepTime = SLEEP_TIME; // How many seconds/minutes we wait until going
	// to sleep - default 1 min
	systemSettings.SolderingTemp = SOLDERING_TEMP; // Default soldering temp is 320.0 C
	systemSettings.minDCVoltageCells = CUT_OUT_SETTING; // default to no cut-off voltage
	systemSettings.QCIdealVoltage = 0; // Default to 9V for QC3.0 Voltage
	systemSettings.version = SETTINGSVERSION;  // Store the version number to allow for easier upgrades
	systemSettings.detailedSoldering = DETAILED_SOLDERING; // Detailed soldering screen
	systemSettings.detailedIDLE = DETAILED_IDLE; // Detailed idle screen (off for first time users)
	systemSettings.OrientationMode = ORIENTATION_MODE;  // Default to automatic
	systemSettings.sensitivity = SENSITIVITY;      // Default high sensitivity
	systemSettings.voltageDiv = VOLTAGE_DIV;  // Default divider from schematic
	systemSettings.ShutdownTime = SHUTDOWN_TIME; // How many minutes until the unit turns itself off
	systemSettings.BoostTemp = BOOST_TEMP;    // default to 400C
	systemSettings.autoStartMode = AUTO_START_MODE; // Auto start off for safety
	systemSettings.lockingMode = LOCKING_MODE; // Disable locking for safety
	systemSettings.coolingTempBlink = COOLING_TEMP_BLINK; // Blink the temperature on the cooling screen when its > 50C
#ifdef ENABLED_FAHRENHEIT_SUPPORT
	systemSettings.temperatureInF = TEMPERATURE_INF;          // default to 0
#endif
	systemSettings.descriptionScrollSpeed = DESCRIPTION_SCROLL_SPEED; // default to slow
	systemSettings.CalibrationOffset = CALIBRATION_OFFSET; // the adc offset in uV
	systemSettings.powerLimit = POWER_LIMIT; // 30 watts default limit
	systemSettings.ReverseButtonTempChangeEnabled = REVERSE_BUTTON_TEMP_CHANGE; //
	systemSettings.TempChangeShortStep = TEMP_CHANGE_SHORT_STEP; //
	systemSettings.TempChangeLongStep = TEMP_CHANGE_LONG_STEP; //
	systemSettings.KeepAwakePulse = POWER_PULSE_DEFAULT;
	systemSettings.hallEffectSensitivity = 1;
	systemSettings.accelMissingWarningCounter = 0;
	systemSettings.pdMissingWarningCounter = 0;

	saveSettings();  // Save defaults
}

uint16_t lookupHallEffectThreshold() {
	// Return the threshold above which the hall effect sensor is "activated"
	switch (systemSettings.hallEffectSensitivity) {
	case 0:
		return 0;
	case 1:  //Low
		return 1000;
	case 2:  //Medium
		return 500;
	case 3:  //High
		return 100;
	default:
		return 0;  //Off
	}
}