Wasserzaehler-CAN-Modul/Flash.cpp at master · JackFrost80/Wasserzaehler-CAN-Modul · GitHub

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/*
 * Flash.cpp
 *
 * Created: 18.06.2017 16:26:33
 *  Author: JackFrost
 */
#include <avr/io.h>
#include <avr/interrupt.h>
#include <string.h>
#include <util/delay.h>
#include <stdlib.h>
#include <stdio.h>
#include "Flash.h"
#include "SPI.h"

void FLASH_init()
{
	SS_Port.OUTCLR = SS_Pin;
	_delay_us(0.08);
	SPIC_Write(Flash_WRDI);
	SS_Port.OUTSET = SS_Pin;
	SS_Port.OUTCLR = SS_Pin;
	_delay_us(0.08);
	SPIC_Write(Flash_RDSR);
	if(!(SPIC_Read_Write(0xFF) & 0x01) )
	SS_Port.OUTSET = SS_Pin;
	_delay_us(0.08);
	Flash_set_WREN();
	_delay_us(0.08);
	SS_Port.OUTCLR = SS_Pin;
	_delay_us(0.08);
	SPIC_Write(Flash_RDSR);
	if(!(SPIC_Read_Write(0xFF) & 0x01) )
	SS_Port.OUTSET = SS_Pin;
	_delay_us(0.08);
	PORTC.OUTCLR = PIN2_bm;
	_delay_us(1);
	SPIC_Write(Flash_EWSR); //Enable status write
	PORTC.OUTSET = PIN2_bm;
	_delay_us(30);
	PORTC.OUTCLR = PIN2_bm;
	_delay_us(1);
	SPIC_Write(Flash_WRSR); //Adresse 0x00
	SPIC_Write(0); //Adresse 0x00
	PORTC.OUTSET = PIN2_bm;
}

void Flash_block_erase(uint32_t Address)
{
	SS_Port.OUTCLR = SS_Pin;
	SPIC_Write(Block_erase); //Adresse 0x00
	SPIC_Write((uint8_t)(Address>>16)); //Adresse 0x00
	SPIC_Write((uint8_t)(Address>>8)); //Adresse 0x00
	SPIC_Write((uint8_t)(Address)); //Adresse 0x00
	SS_Port.OUTSET = SS_Pin;
	//_delay_ms(30);
}

void Flash_chip_erase()
{
	SS_Port.OUTCLR = SS_Pin;
	SPIC_Write(Chip_erase); //Adresse 0x00
	SS_Port.OUTSET = SS_Pin;
	//_delay_ms(30);
}

void Flash_start_write_AAI(uint32_t Address, unsigned char c)
{

	SS_Port.OUTCLR = SS_Pin;
	SPIC_Write(AAI_Write); //Adresse 0x00
	SPIC_Write((uint8_t)(Address>>16)); //Adresse 0x00
	SPIC_Write((uint8_t)(Address>>8)); //Adresse 0x00
	SPIC_Write((uint8_t)(Address)); //Adresse 0x00
	SPIC_Write(c);
	SS_Port.OUTSET = SS_Pin;
	_delay_us(25);
	//for(uint8_t i=1; i<length; i++)
	//{
		//SS_Port.OUTCLR = SS_Pin;
		//SPIC_Write(AAI_Write); //Adresse 0x00
		//SPIC_Write(*c++); //Adresse 0x00
		//SS_Port.OUTSET = SS_Pin;
		//position++;
		//_delay_us(25);
	//}
}

void Flash_write_AAI( unsigned char c)
{
	SS_Port.OUTCLR = SS_Pin;
	SPIC_Write(AAI_Write); //Adresse 0x00
	SPIC_Write(c); //Adresse 0x00
	SS_Port.OUTSET = SS_Pin;
	_delay_us(25);
	//for(uint8_t i=0; i<length; i++)
	//{
		//SS_Port.OUTCLR = SS_Pin;
		//SPIC_Write(AAI_Write); //Adresse 0x00
		//SPIC_Write(*c++); //Adresse 0x00
		//SS_Port.OUTSET = SS_Pin;
		//_delay_us(25);
	//}
	SS_Port.OUTSET = SS_Pin;
}

void Flash_read(uint32_t Address, unsigned char *c,uint8_t count)
{
	SS_Port.OUTCLR = SS_Pin;
	SPIC_Write(Read); //Adresse 0x00
	SPIC_Write((uint8_t)(Address>>16)); //Adresse 0x00
	SPIC_Write((uint8_t)(Address>>8)); //Adresse 0x00
	SPIC_Write((uint8_t)(Address)); //Adresse 0x00
	for(uint8_t i=0;i<count;i++)
	{
		*c= SPIC_Read_Write(0xff);
		c++;
	}
	SS_Port.OUTSET = SS_Pin;
	_delay_us(25);
	//for(uint8_t i=0; i<length; i++)
	//{
	//SS_Port.OUTCLR = SS_Pin;
	//SPIC_Write(AAI_Write); //Adresse 0x00
	//SPIC_Write(*c++); //Adresse 0x00
	//SS_Port.OUTSET = SS_Pin;
	//_delay_us(25);
	//}
	//SS_Port.OUTSET = SS_Pin;
}

void Flash_set_WREN()
{
	SS_Port.OUTCLR = SS_Pin;
	SPIC_Write(Flash_WREN); //Adresse 0x00
	SS_Port.OUTSET = SS_Pin;
}

void Flash_set_WRDI()
{
	SS_Port.OUTCLR = SS_Pin;
	SPIC_Write(Flash_WRDI); //Adresse 0x00
	SS_Port.OUTSET = SS_Pin;
}