/**********************************************************************
	Copyright (C) 2018  MisfitTech LLC,  All rights reserved.

 	MisfitTech uses a dual license model that allows the software to be used under
	a standard GPL open source license, or a commercial license.  The standard GPL
	license  requires that all software statically linked with MisfitTec Code is
	also distributed under the same GPL V2 license terms.  Details of both license
	options follow:

	- Open source licensing -
	MisfitTech is a free download and may be used, modified, evaluated and
	distributed without charge provided the user adheres to version two of the GNU
	General Public License (GPL) and does not remove the copyright notice or this
	text.  The GPL V2 text is available on the gnu.org web site

	- Commercial licensing -
	Businesses and individuals that for commercial or other reasons cannot comply
	with the terms of the GPL V2 license must obtain a low cost commercial license
	before incorporating MisfitTech code into proprietary software for distribution in
	any form.  Commercial licenses can be purchased from www.misfittech.net
	and do not require any source files to be changed.


	This code is distributed in the hope that it will be useful.  You cannot
	use MisfitTech's code unless you agree that you use the software 'as is'.
	MisfitTech's code is provided WITHOUT ANY WARRANTY; without even the implied
	warranties of NON-INFRINGEMENT, MERCHANTABILITY or FITNESS FOR A PARTICULAR
	PURPOSE. MisfitTech LLC disclaims all conditions and terms, be they
	implied, expressed, or statutory.


    Written by Trampas Stern for MisfitTech.

    Misfit Tech invests time and resources providing this open source code,
    please support MisfitTech and open-source hardware by purchasing
	products from MisfitTech, www.misifittech.net!
 *********************************************************************/
#ifndef __NONVOLATILE__H__
#define __NONVOLATILE__H__

#include "calibration.h"
#include "board.h"


typedef struct {
	float Kp;
	float Ki;
	float Kd;
	bool parametersVaild;
} PIDparams_t;

typedef struct {
	int32_t currentMa;   //maximum current for the motor
	int32_t currentHoldMa; //hold current for the motor
	int32_t homeMa; //maximum current when error homing
	int32_t homeHoldMa; //hold current when error homing
	bool motorWiring;  //forward wiring of motor or reverse
	int32_t fullStepsPerRotation; //how many full steps per rotation is the motor
	bool parametersVaild;
} MotorParams_t;

typedef struct {
	int32_t microsteps;    //number of microsteps on the dir/step pin interface from host
	RotationDir_t dirPinRotation;  //is the direction pin high for clockwise or counterClockWise
	int32_t errorLimit;    //error limit before error pin asserts 65536==360degrees
	ErrorPinMode_t errorPinMode;  //is error pin used for enable, error, or bidirectional
	feedbackCtrl_t controllerMode; //feedback mode for the controller
	int32_t homePin; //if greater than zero this is the pin we use trigger home current settings
	bool errorLogic; //if high and error will be high on output pin
	int32_t homeAngleDelay; //the angle to delay before switching to lower homing current
	bool parametersVaild;
} SystemParams_t;

#ifdef NZS_FAST_CAL
typedef struct {
	uint16_t angle[16384];
	uint16_t checkSum;
}FastCal_t;
#endif

typedef struct {
	FlashCalData_t CalibrationTable;
	__attribute__((__aligned__(8))) PIDparams_t sPID; //simple PID parameters
	__attribute__((__aligned__(8))) PIDparams_t pPID; //position PID parameters
	__attribute__((__aligned__(8))) PIDparams_t vPID; //velocity PID parameters
	__attribute__((__aligned__(8))) SystemParams_t SystemParams;
	__attribute__((__aligned__(8))) MotorParams_t motorParams;
#ifdef NZS_FAST_CAL
	__attribute__((__aligned__(8))) FastCal_t FastCal;
#endif
} nvm_t;

#ifdef NZS_FAST_CAL
extern  const uint16_t  NVM_flash[16767];
#else
extern  const uint16_t  NVM_flash[256];
#endif
#define NVM ((const nvm_t *)NVM_flash)

bool nvmWriteCalTable(void *ptrData, uint32_t size);
bool nvmWrite_sPID(float Kp, float Ki, float Kd);
bool nvmWrite_pPID(float Kp, float Ki, float Kd);
bool nvmWrite_vPID(float Kp, float Ki, float Kd);
bool nvmWriteSystemParms(SystemParams_t &systemParams);
bool nvmWriteMotorParms(MotorParams_t &motorParams);
bool nvmErase(void);

#endif // __NONVOLATILE__H__