Trikarus/firmware_smartstepper_trikarus/stepper_nano_zero/Flash.h

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2020-07-20 22:21:36 +02:00
/**********************************************************************
Copyright (C) 2018 MisfitTech LLC, All rights reserved.
MisfitTech uses a dual license model that allows the software to be used under
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license requires that all software statically linked with MisfitTec Code is
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and do not require any source files to be changed.
This code is distributed in the hope that it will be useful. You cannot
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Written by Trampas Stern for MisfitTech.
Misfit Tech invests time and resources providing this open source code,
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*********************************************************************/
#ifndef __FLASH__H__
#define __FLASH__H__
#include <Arduino.h>
#include "syslog.h"
#define FLASH_PAGE_SIZE_NZS (64) //bytes
#define FLASH_ROW_SIZE (FLASH_PAGE_SIZE_NZS*4) //defined in the datasheet as 4x page size
#define FLASH_ERASE_VALUE (0xFF) //value of flash after an erase
#define FLASH_ALLOCATE(name, size) \
__attribute__((__aligned__(FLASH_ROW_SIZE))) \
const uint8_t name[(size+(FLASH_ROW_SIZE-1))/FLASH_ROW_SIZE*FLASH_ROW_SIZE] = { };
bool flashInit(void); //this checks that our assumptions are true
bool flashErase(const volatile void *flash_ptr, uint32_t size);
void flashWrite(const volatile void *flash_ptr,const void *data,uint32_t size);
void flashWritePage(const volatile void *flash_ptr, const void *data, uint32_t size);
//you can read by dereferencing pointer but we will add a read
static inline int32_t flashRead(const volatile void *flash_ptr, void *data, uint32_t size)
{
memcpy(data, (const void *)flash_ptr, size);
}
#endif //__FLASH__H__