A141/Core/Src/flash.c

/*
 * flash.c
 *
 *  Created on: 18 <EFBFBD><EFBFBD><EFBFBD> 2021 <EFBFBD>.
 *      Author: Toporov
 */
#include "my.h"

#include "main.h"
#include "flash.h"
#include "stm32l0xx_hal_flash.h"
#include "stm32l0xx_hal_flash_ex.h"

extern void FLASH_PageErase(uint32_t PageAddress);


static const uint16_t FACTORY_CORR[2][20] = {
	{
			3814, 3726, 3656, 3811, 3727, 3657, 3637, 3570, 3504, 3485, 3630, 3563, 3560, 3750, 3750, 3750, 3750, 3750, 3750, 3750
	},
	{
			3750, 3750, 3750, 3812, 3727, 3654, 3637, 3568, 3502, 3486, 3596, 3537, 3533, 3750, 3750, 3750, 3750, 3750, 3750, 3750
	}
};

__IO UserData_TypeDef pardata;
__IO uint16_t CorrWord[2][20];





void MX_FLASH_Init(void)
{
	__HAL_RCC_SYSCFG_CLK_ENABLE();

	rdPar();
	rdCorr();
}


void wrPar(void)
{
uint8_t i, len;
uint32_t *pData, Address;

	len = sizeof(UserData_TypeDef);
	len >>= 2;

	HAL_FLASH_Unlock();
	FLASH_PageErase(USERPAGE);
    CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG);
    CLEAR_BIT(FLASH->PECR, FLASH_PECR_ERASE);
	FLASH_WaitForLastOperation(100);

	Address = USERPAGE;
	pData = (uint32_t *) &pardata;
	for(i = 0; i < len; i++)
	{
		HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, Address, *pData++);
		Address += 4;
	}

    CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG);
    CLEAR_BIT(FLASH->PECR, FLASH_PECR_ERASE);
	HAL_FLASH_Lock();
}


void rdPar(void)
{
uint8_t rewrite = 0;

	memcpy((void *) &pardata, (void *) USERPAGE, sizeof(UserData_TypeDef));

	//pardata.OWN = 0;
	if((pardata.OWN != MY_ADDRESS)  ||  (pardata.OWN == 0))
	{
		pardata.OWN = MY_ADDRESS;
		pardata.BAUD = 7; //115200
		pardata.INFB = 0;

		pardata.IIN = CHARGE;
		pardata.IFV = Hp0_2;
		pardata.IFN = Lp100000;
		pardata.IKU = Ku1;
		pardata.IKE = 0;
		pardata.IKD = 0;
		pardata.IKS = 1;
		pardata.IPZ = 0;
		pardata.OPZ = 0;
		pardata.VAL = Accel;

		pardata.KCOND = 1.00001f;
		pardata.SENS =  1.00001f;
		pardata.ACCEL = 10.00001f;

		rewrite = 1;
	}




	if((pardata.IKE == 0)  &&  (pardata.IKD == 0)  &&  (pardata.IKS == 0)) {
		pardata.IKE = 0;
		pardata.IKD = 0;
		pardata.IKS = 1;
		rewrite = true;
	}

	if(pardata.SENS == 0.0f) {
		pardata.SENS = 1.0f;
		rewrite = true;
	}

	if(pardata.IFN > Lp100000) {
		pardata.IFN = Lp100000;
		rewrite = true;
	}

	if(pardata.IFV > Hp10) {
		pardata.IFN = Hp10;
		rewrite = true;
	}

	if(pardata.IKU > Ku1000) {
		pardata.IKU = Ku1000;
		rewrite = true;
	}

	if(pardata.VAL > Nython) {
		pardata.VAL = Accel;
		rewrite = true;
	}


	/////////////////////////////
	if(rewrite)
	{
		rewrite = 0;
		wrPar();
	}
	/////////////////////////////
}





void wrCorr(void)
{
uint8_t i, len;
uint32_t *pData, Address;

	len = sizeof(CorrWord);
	len >>= 2;

	HAL_FLASH_Unlock();
	FLASH_PageErase(CORRPAGE);
    CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG);
    CLEAR_BIT(FLASH->PECR, FLASH_PECR_ERASE);
	FLASH_WaitForLastOperation(100);

	Address = CORRPAGE;
	pData = (uint32_t *) &CorrWord;
	for(i = 0; i < len; i++)
	{
		HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, Address, *pData++);
		Address += 4;
	}

    CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG);
    CLEAR_BIT(FLASH->PECR, FLASH_PECR_ERASE);
	HAL_FLASH_Lock();
}


void rdCorr(void)
{
uint8_t i, j;

	memcpy((void *) &CorrWord, (void *) CORRPAGE, sizeof(CorrWord));

	if(((CorrWord[0][0] == 0xffff)  ||  (CorrWord[0][1] == 0xffff))    ||    ((CorrWord[0][0] == 0)  ||  (CorrWord[0][1] == 0)))
	{
		for(j = 0; j < 2; j++)
		{
			for(i = 0; i < 20; i++) {
				CorrWord[j][i] = FACTORY_CORR[j][i];
			}
		}

		wrCorr();
	}
}