/*###ICF### Section handled by ICF editor, don't touch! ****/
/*-Editor annotation file-*/
/* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
/*-Specials-*/
define symbol __ICFEDIT_intvec_start__ = 0x08000000;
/*-Memory Regions-*/
define symbol __ICFEDIT_region_ROM_start__ = 0x08000000;
define symbol __ICFEDIT_region_ROM_end__ = 0x080FFFFF;
define symbol __ICFEDIT_region_RAM_start__ = 0x20000000;
define symbol __ICFEDIT_region_RAM_end__ = 0x20017FFF;
/*-Sizes-*/
define symbol __ICFEDIT_size_cstack__ = 0x400;
define symbol __ICFEDIT_size_heap__ = 0x200;
/**** End of ICF editor section. ###ICF###*/


define memory mem with size = 4G;
define region ROM_region = mem:[from __ICFEDIT_region_ROM_start__ to __ICFEDIT_region_ROM_end__];
define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__];

define block CSTACK with alignment = 8, size = __ICFEDIT_size_cstack__ { };
define block HEAP with alignment = 8, size = __ICFEDIT_size_heap__ { };

initialize by copy { readwrite };
do not initialize { section .noinit };

place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };

place in ROM_region { readonly };
place in RAM_region { readwrite,
block CSTACK, block HEAP };

define FLASH_KEY1 ((uint32_t)0x45670123) // ключи для снятия защиты памяти
#define FLASH_KEY2 ((uint32_t)0xCDEF89AB)
#define FLASH_PAGE_SIZE ((uint16_t)0x400) // размер страницы 1 кб
#define WRITE_START_ADDR ((uint32_t)0x08003800) // запись с 15го килобайта

//-----------------------стирание

void Erase_flash (u16 adr)
{
u16 dst = WRITE_START_ADDR + adr; // вычисление места записи

FLASH->KEYR = FLASH_KEY1;
FLASH->KEYR = FLASH_KEY2;

FLASH->CR |= FLASH_CR_PER; /* Page erase */
FLASH->AR = dst;
FLASH->CR|= FLASH_CR_STRT; /* Start erase */
while ((FLASH->SR & FLASH_SR_BSY) != 0 ); /* Wait end of eraze */
FLASH->CR &= ~FLASH_CR_PER; /* Page erase end */

FLASH->CR |= FLASH_CR_LOCK; /* Lock the flash back */
}

//-----------------------запись

void Write_flash (u16 Data, u16 adr)
{
u16 dst = WRITE_START_ADDR + adr;

FLASH->KEYR = FLASH_KEY1;
FLASH->KEYR = FLASH_KEY2;

FLASH->CR |= FLASH_CR_PG;
while ((FLASH->SR & FLASH_SR_BSY) != 0 );
*(__IO uint16_t*)dst = (uint16_t)Data;
while ((FLASH->SR & FLASH_SR_BSY) != 0 );
FLASH->CR &= ~FLASH_CR_PG;

FLASH->CR |= FLASH_CR_LOCK; /* Lock the flash back */
}