84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
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/**
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* @copyright 2015 Indie Semiconductor.
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*
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* This file is proprietary to Indie Semiconductor.
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* All rights reserved. Reproduction or distribution, in whole
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* or in part, is forbidden except by express written permission
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* of Indie Semiconductor.
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*
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* @file flash_sfrs.h
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*/
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#ifndef FLASH_SFRS_H__
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#define FLASH_SFRS_H__
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#include <stddef.h>
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#include <stdint.h>
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#include <meta.h>
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#define FLASH_WRITE_1_BYTE 0x01//
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#define FLASH_WRITE_2_BYTE 0x01//
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#define FLASH_WRITE_4_BYTE_L 0x0F//
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#define FLASH_WRITE_4_BYTE_M_ECC 0x1F0//
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#define FLASH_WRITE_8_BYTE 0xFF//
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#define FLASH_WRITE_9_BYTE 0x1FF//
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#define E_FLASH_ERASE_SECTOR 0//
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#define E_FLASH_ERASE_CHIP 1//
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#define E_FLASH_UNLOCK_WRITE 0x55555555U
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#define E_FLASH_UNLOCK_ERASE 0x66666666U
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#define E_FLASH_ERASE_START 0x99999999U
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#define E_FLASH_WRITE_START 0xAAAAAAAAU
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#define E_FLASH_UNLOCK_CTRL 0xACDC1972U
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#define NVR_FLASH_WRITE_START 0x502901FFU
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#define NVR_FLASH_ERASE_START 0x502901FFU
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#define E_FLASH_CODE_PROTECT 0xF2E11047U
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#define E_FLASH_WRITE_PROTECT 0x12100511U
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/**
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* @brief Flash memory erase sector function.
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*
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* @param address inside the sector to be erased.
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*/
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static __INLINE void f_FLASH_EraseSector(__IO uint32_t address)
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{
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/* load address */
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FLASH_SFRS->FLADDR.FLASHADDR = (uint32_t)(address>>3U);
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FLASH_SFRS->UNLOCK_CTRL_OP = E_FLASH_UNLOCK_CTRL;
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FLASH_SFRS->CTRL_OPR.CHIPSEL = E_FLASH_ERASE_SECTOR;
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FLASH_SFRS-> UNLOCK_ERASE = E_FLASH_UNLOCK_ERASE;
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FLASH_SFRS-> ERASE_START = E_FLASH_ERASE_START;
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while(FLASH_SFRS->OPBSY != 0U);
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FLASH_SFRS->UNLOCK_CTRL_OP = 0;
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}
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/**
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* @brief Flash memory write word function.
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*
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* @param address and data (byte) to be programmed into flash.
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* @param data and data (byte) to be programmed into flash.
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*/
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static __INLINE void f_FLASH_Write2WordsWithECC(__IO uint32_t address, uint32_t dataL,uint32_t dataH)
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{
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FLASH_SFRS->UNLOCK_CTRL_OP = E_FLASH_UNLOCK_CTRL;
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FLASH_SFRS->CTRL_OPR.BYTESEL = FLASH_WRITE_9_BYTE;
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FLASH_SFRS->FLADDR.FLASHADDR = (uint32_t)(address >> 3);
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FLASH_SFRS->DATAL = dataL;
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FLASH_SFRS->DATAM = dataH;
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FLASH_SFRS->UNLOCK_WRITE = E_FLASH_UNLOCK_WRITE;
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FLASH_SFRS->FLADDR.NVR = 0;
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FLASH_SFRS->WRITE_START = E_FLASH_WRITE_START;
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while(FLASH_SFRS->OPBSY != 0);
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FLASH_SFRS->UNLOCK_CTRL_OP = 0;
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}
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#endif /* __FLASH_SFRS_H__ */
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