1159 lines
35 KiB
C
1159 lines
35 KiB
C
/**
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**************************************************************************
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* @file at32f435_437_flash.c
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* @version v2.0.9
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* @date 2022-06-28
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* @brief contains all the functions for the flash firmware library
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**************************************************************************
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* Copyright notice & Disclaimer
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*
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* The software Board Support Package (BSP) that is made available to
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* download from Artery official website is the copyrighted work of Artery.
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* Artery authorizes customers to use, copy, and distribute the BSP
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* software and its related documentation for the purpose of design and
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* development in conjunction with Artery microcontrollers. Use of the
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* software is governed by this copyright notice and the following disclaimer.
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*
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* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
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* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
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* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
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* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
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* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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*
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**************************************************************************
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*/
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#include "at32f435_437_conf.h"
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/** @addtogroup AT32F435_437_periph_driver
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* @{
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*/
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/** @defgroup FLASH
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* @brief FLASH driver modules
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* @{
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*/
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#ifdef FLASH_MODULE_ENABLED
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/** @defgroup FLASH_private_functions
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* @{
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*/
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/**
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* @brief check whether the specified flash flag is set or not.
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* @param flash_flag: specifies the flash flag to check.
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* this parameter can be one of flash flag status:
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* - FLASH_OBF_FLAG
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* - FLASH_ODF_FLAG
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* - FLASH_PRGMERR_FLAG
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* - FLASH_EPPERR_FLAG
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* - FLASH_BANK1_OBF_FLAG
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* - FLASH_BANK1_ODF_FLAG
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* - FLASH_BANK1_PRGMERR_FLAG
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* - FLASH_BANK1_EPPERR_FLAG
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* - FLASH_BANK2_OBF_FLAG
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* - FLASH_BANK2_ODF_FLAG
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* - FLASH_BANK2_PRGMERR_FLAG
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* - FLASH_BANK2_EPPERR_FLAG
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* - FLASH_USDERR_FLAG
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* @retval the new state of flash_flag (SET or RESET).
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*/
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flag_status flash_flag_get(uint32_t flash_flag)
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{
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flag_status status = RESET;
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uint32_t flag_position;
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flag_position = flash_flag & 0x70000000;
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flash_flag &= 0x8FFFFFFF;
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switch(flag_position)
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{
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case 0x00000000:
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if(FLASH->sts & flash_flag)
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status = SET;
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break;
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case 0x10000000:
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if(FLASH->sts2 & flash_flag)
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status = SET;
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break;
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case 0x40000000:
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if(FLASH->usd & flash_flag)
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status = SET;
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break;
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default:
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break;
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}
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/* return the new state of flash_flag (SET or RESET) */
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return status;
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}
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/**
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* @brief clear the flash flag.
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* @param flash_flag: specifies the flash flags to clear.
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* this parameter can be any combination of the following values:
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* - FLASH_ODF_FLAG
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* - FLASH_PRGMERR_FLAG
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* - FLASH_EPPERR_FLAG
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* - FLASH_BANK1_ODF_FLAG
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* - FLASH_BANK1_PRGMERR_FLAG
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* - FLASH_BANK1_EPPERR_FLAG
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* - FLASH_BANK2_ODF_FLAG
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* - FLASH_BANK2_PRGMERR_FLAG
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* - FLASH_BANK2_EPPERR_FLAG
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* @retval none
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*/
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void flash_flag_clear(uint32_t flash_flag)
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{
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uint32_t flag_position;
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flag_position = flash_flag & 0x70000000;
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flash_flag &= 0x8FFFFFFF;
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switch(flag_position)
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{
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case 0x00000000:
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FLASH->sts = flash_flag;
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break;
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case 0x10000000:
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FLASH->sts2 = flash_flag;
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break;
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default:
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break;
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}
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}
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/**
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* @brief return the flash operation status.
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* @param none
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* @retval status: the returned value can be: FLASH_OPERATE_BUSY,
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* FLASH_PROGRAM_ERROR, FLASH_EPP_ERROR or FLASH_OPERATE_DONE.
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*/
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flash_status_type flash_operation_status_get(void)
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{
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flash_status_type flash_status = FLASH_OPERATE_DONE;
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if(FLASH->sts_bit.obf != RESET)
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{
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flash_status = FLASH_OPERATE_BUSY;
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}
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else if(FLASH->sts_bit.prgmerr != RESET)
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{
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flash_status = FLASH_PROGRAM_ERROR;
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}
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else if(FLASH->sts_bit.epperr != RESET)
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{
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flash_status = FLASH_EPP_ERROR;
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}
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else
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{
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flash_status = FLASH_OPERATE_DONE;
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}
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/* return the flash status */
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return flash_status;
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}
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/**
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* @brief return the flash bank1 operation status.
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* @param none
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* @retval status: the returned value can be: FLASH_OPERATE_BUSY,
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* FLASH_PROGRAM_ERROR, FLASH_EPP_ERROR or FLASH_OPERATE_DONE.
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*/
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flash_status_type flash_bank1_operation_status_get(void)
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{
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flash_status_type flash_status = FLASH_OPERATE_DONE;
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if(FLASH->sts_bit.obf != RESET)
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{
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flash_status = FLASH_OPERATE_BUSY;
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}
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else if(FLASH->sts_bit.prgmerr != RESET)
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{
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flash_status = FLASH_PROGRAM_ERROR;
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}
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else if(FLASH->sts_bit.epperr != RESET)
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{
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flash_status = FLASH_EPP_ERROR;
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}
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else
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{
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flash_status = FLASH_OPERATE_DONE;
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}
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/* return the flash status */
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return flash_status;
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}
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/**
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* @brief return the flash bank2 operation status.
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* @param none
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* @retval status: the returned value can be: FLASH_OPERATE_BUSY,
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* FLASH_PROGRAM_ERROR, FLASH_EPP_ERROR or FLASH_OPERATE_DONE.
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*/
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flash_status_type flash_bank2_operation_status_get(void)
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{
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flash_status_type flash_status = FLASH_OPERATE_DONE;
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if(FLASH->sts2_bit.obf != RESET)
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{
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flash_status = FLASH_OPERATE_BUSY;
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}
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else if(FLASH->sts2_bit.prgmerr != RESET)
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{
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flash_status = FLASH_PROGRAM_ERROR;
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}
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else if(FLASH->sts2_bit.epperr != RESET)
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{
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flash_status = FLASH_EPP_ERROR;
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}
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else
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{
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flash_status = FLASH_OPERATE_DONE;
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}
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/* return the flash status */
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return flash_status;
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}
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/**
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* @brief wait for flash operation complete or timeout.
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* @param time_out: flash operation timeout
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* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
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* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
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*/
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flash_status_type flash_operation_wait_for(uint32_t time_out)
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{
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flash_status_type status = FLASH_OPERATE_DONE;
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/* check for the flash status */
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status = flash_operation_status_get();
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while((status == FLASH_OPERATE_BUSY) && (time_out != 0x00))
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{
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status = flash_operation_status_get();
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time_out--;
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}
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if(time_out == 0x00)
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{
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status = FLASH_OPERATE_TIMEOUT;
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}
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/* return the status */
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return status;
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}
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/**
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* @brief wait for flash bank1 operation complete or timeout.
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* @param time_out: flash operation timeout
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* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
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* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
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*/
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flash_status_type flash_bank1_operation_wait_for(uint32_t time_out)
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{
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flash_status_type status = FLASH_OPERATE_DONE;
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/* check for the flash status */
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status = flash_bank1_operation_status_get();
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while((status == FLASH_OPERATE_BUSY) && (time_out != 0x00))
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{
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status = flash_bank1_operation_status_get();
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time_out--;
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}
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if(time_out == 0x00)
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{
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status = FLASH_OPERATE_TIMEOUT;
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}
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/* return the operation status */
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return status;
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}
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/**
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* @brief wait for flash bank2 operation complete or timeout.
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* @param time_out: flash operation timeout
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* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
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* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
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*/
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flash_status_type flash_bank2_operation_wait_for(uint32_t time_out)
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{
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flash_status_type status = FLASH_OPERATE_DONE;
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/* check for the flash status */
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status = flash_bank2_operation_status_get();
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while((status == FLASH_OPERATE_BUSY) && (time_out != 0x00))
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{
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status = flash_bank2_operation_status_get();
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time_out--;
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}
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if(time_out == 0x00)
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{
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status = FLASH_OPERATE_TIMEOUT;
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}
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/* return the operation status */
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return status;
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}
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/**
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* @brief unlock the flash controller.
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* @param none
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* @retval none
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*/
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void flash_unlock(void)
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{
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FLASH->unlock = FLASH_UNLOCK_KEY1;
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FLASH->unlock = FLASH_UNLOCK_KEY2;
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FLASH->unlock2 = FLASH_UNLOCK_KEY1;
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FLASH->unlock2 = FLASH_UNLOCK_KEY2;
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}
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/**
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* @brief unlock the flash bank1 controller.
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* @param none
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* @retval none
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*/
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void flash_bank1_unlock(void)
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{
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FLASH->unlock = FLASH_UNLOCK_KEY1;
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FLASH->unlock = FLASH_UNLOCK_KEY2;
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}
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/**
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* @brief unlock the flash bank2 controller.
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* @param none
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* @retval none
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*/
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void flash_bank2_unlock(void)
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{
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FLASH->unlock2 = FLASH_UNLOCK_KEY1;
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FLASH->unlock2 = FLASH_UNLOCK_KEY2;
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}
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/**
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* @brief lock the flash controller.
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* @param none
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* @retval none
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*/
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void flash_lock(void)
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{
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FLASH->ctrl_bit.oplk = TRUE;
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FLASH->ctrl2_bit.oplk = TRUE;
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}
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/**
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* @brief lock the flash bank1 controller.
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* @param none
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* @retval none
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*/
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void flash_bank1_lock(void)
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{
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FLASH->ctrl_bit.oplk = TRUE;
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}
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/**
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* @brief lock the flash bank2 controller.
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* @param none
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* @retval none
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*/
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void flash_bank2_lock(void)
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{
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FLASH->ctrl2_bit.oplk = TRUE;
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}
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/**
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* @brief erase a specified flash sector.
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* @param sector_address: the sector address to be erased.
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* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
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* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
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*/
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flash_status_type flash_sector_erase(uint32_t sector_address)
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{
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flash_status_type status = FLASH_OPERATE_DONE;
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if((sector_address >= FLASH_BANK1_START_ADDR) && (sector_address <= FLASH_BANK1_END_ADDR))
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{
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FLASH->ctrl_bit.secers = TRUE;
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FLASH->addr = sector_address;
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FLASH->ctrl_bit.erstr = TRUE;
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/* wait for operation to be completed */
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status = flash_bank1_operation_wait_for(ERASE_TIMEOUT);
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/* disable the secers bit */
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FLASH->ctrl_bit.secers = FALSE;
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}
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else if((sector_address >= FLASH_BANK2_START_ADDR) && (sector_address <= FLASH_BANK2_END_ADDR))
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{
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FLASH->ctrl2_bit.secers = TRUE;
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FLASH->addr2 = sector_address;
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FLASH->ctrl2_bit.erstr = TRUE;
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/* wait for operation to be completed */
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status = flash_bank2_operation_wait_for(ERASE_TIMEOUT);
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/* disable the secers bit */
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FLASH->ctrl2_bit.secers = FALSE;
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}
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/* return the erase status */
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return status;
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}
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/**
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* @brief erase a specified flash block.
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* @param block_address: the block address to be erased.
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* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
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* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
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*/
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flash_status_type flash_block_erase(uint32_t block_address)
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{
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flash_status_type status = FLASH_OPERATE_DONE;
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if((block_address >= FLASH_BANK1_START_ADDR) && (block_address <= FLASH_BANK1_END_ADDR))
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{
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FLASH->ctrl_bit.blkers = TRUE;
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FLASH->addr = block_address;
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FLASH->ctrl_bit.erstr = TRUE;
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/* wait for operation to be completed */
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status = flash_bank1_operation_wait_for(ERASE_TIMEOUT);
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/* disable the blkers bit */
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FLASH->ctrl_bit.blkers = FALSE;
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}
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else if((block_address >= FLASH_BANK2_START_ADDR) && (block_address <= FLASH_BANK2_END_ADDR))
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{
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FLASH->ctrl2_bit.blkers = TRUE;
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FLASH->addr2 = block_address;
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FLASH->ctrl2_bit.erstr = TRUE;
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/* wait for operation to be completed */
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status = flash_bank2_operation_wait_for(ERASE_TIMEOUT);
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/* disable the blkers bit */
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FLASH->ctrl2_bit.blkers = FALSE;
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}
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/* return the erase status */
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return status;
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}
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/**
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* @brief erase flash all internal sectors.
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* @param none
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* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
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* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
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*/
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flash_status_type flash_internal_all_erase(void)
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{
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flash_status_type status = FLASH_OPERATE_DONE;
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FLASH->ctrl_bit.bankers = TRUE;
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FLASH->ctrl_bit.erstr = TRUE;
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/* wait for operation to be completed */
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status = flash_bank1_operation_wait_for(ERASE_TIMEOUT);
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/* disable the bankers bit */
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FLASH->ctrl_bit.bankers = FALSE;
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if(status == FLASH_OPERATE_DONE)
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{
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/* if the previous operation is completed, continue to erase bank2 */
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FLASH->ctrl2_bit.bankers = TRUE;
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FLASH->ctrl2_bit.erstr = TRUE;
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/* wait for operation to be completed */
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status = flash_bank2_operation_wait_for(ERASE_TIMEOUT);
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|
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/* disable the bankers bit */
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FLASH->ctrl2_bit.bankers = FALSE;
|
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}
|
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/* return the erase status */
|
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return status;
|
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}
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|
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/**
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* @brief erase flash bank1 sectors.
|
|
* @param none
|
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* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
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* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
|
|
*/
|
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flash_status_type flash_bank1_erase(void)
|
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{
|
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flash_status_type status = FLASH_OPERATE_DONE;
|
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|
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FLASH->ctrl_bit.bankers = TRUE;
|
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FLASH->ctrl_bit.erstr = TRUE;
|
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|
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/* wait for operation to be completed */
|
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status = flash_bank1_operation_wait_for(ERASE_TIMEOUT);
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|
|
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/* disable the bankers bit */
|
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FLASH->ctrl_bit.bankers = FALSE;
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|
|
/* return the erase status */
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief erase flash bank2 sectors.
|
|
* @param none
|
|
* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
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* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
|
|
*/
|
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flash_status_type flash_bank2_erase(void)
|
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{
|
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flash_status_type status = FLASH_OPERATE_DONE;
|
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|
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FLASH->ctrl2_bit.bankers = TRUE;
|
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FLASH->ctrl2_bit.erstr = TRUE;
|
|
|
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/* wait for operation to be completed */
|
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status = flash_bank2_operation_wait_for(ERASE_TIMEOUT);
|
|
|
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/* disable the bankers bit */
|
|
FLASH->ctrl2_bit.bankers = FALSE;
|
|
|
|
/* return the erase status */
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief erase the flash user system data.
|
|
* @note this functions erase all user system data except the fap byte.
|
|
* the eopb0 byte value change to 0xFF, sram size maybe change too.
|
|
* @param none
|
|
* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
|
* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
|
|
*/
|
|
flash_status_type flash_user_system_data_erase(void)
|
|
{
|
|
flash_status_type status = FLASH_OPERATE_DONE;
|
|
uint16_t fap_val = FAP_RELIEVE_KEY;
|
|
/* get the flash access protection status */
|
|
if(flash_fap_status_get() != RESET)
|
|
{
|
|
fap_val = 0x0000;
|
|
}
|
|
|
|
/* unlock the user system data */
|
|
FLASH->usd_unlock = FLASH_UNLOCK_KEY1;
|
|
FLASH->usd_unlock = FLASH_UNLOCK_KEY2;
|
|
while(FLASH->ctrl_bit.usdulks==RESET);
|
|
|
|
/* erase the user system data */
|
|
FLASH->ctrl_bit.usders = TRUE;
|
|
FLASH->ctrl_bit.erstr = TRUE;
|
|
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(ERASE_TIMEOUT);
|
|
|
|
/* disable the usders bit */
|
|
FLASH->ctrl_bit.usders = FALSE;
|
|
|
|
if((status == FLASH_OPERATE_DONE) && (fap_val == FAP_RELIEVE_KEY))
|
|
{
|
|
/* enable the user system data programming operation */
|
|
FLASH->ctrl_bit.usdprgm = TRUE;
|
|
|
|
/* restore the last flash access protection value */
|
|
USD->fap = (uint16_t)fap_val;
|
|
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
|
|
/*disable the usdprgm bit */
|
|
FLASH->ctrl_bit.usdprgm = FALSE;
|
|
}
|
|
|
|
/* return the status */
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief config the extend sram byte eopb0 in user system data.
|
|
* @note the 256kb and below capacity mcu only support FLASH_EOPB0_SRAM_384K,
|
|
* FLASH_EOPB0_SRAM_448K or FLASH_EOPB0_SRAM_512K.
|
|
* @param data: the eopb0 value.
|
|
* this parameter can be one of the following values:
|
|
* - FLASH_EOPB0_SRAM_512K
|
|
* - FLASH_EOPB0_SRAM_448K
|
|
* - FLASH_EOPB0_SRAM_384K
|
|
* - FLASH_EOPB0_SRAM_320K
|
|
* - FLASH_EOPB0_SRAM_256K
|
|
* - FLASH_EOPB0_SRAM_192K
|
|
* - FLASH_EOPB0_SRAM_128K
|
|
* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
|
* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
|
|
*/
|
|
flash_status_type flash_eopb0_config(flash_usd_eopb0_type data)
|
|
{
|
|
flash_status_type status = FLASH_OPERATE_DONE;
|
|
|
|
/* unlock the user system data */
|
|
FLASH->usd_unlock = FLASH_UNLOCK_KEY1;
|
|
FLASH->usd_unlock = FLASH_UNLOCK_KEY2;
|
|
while(FLASH->ctrl_bit.usdulks==RESET);
|
|
|
|
/* enable the user system data programming operation */
|
|
FLASH->ctrl_bit.usdprgm = TRUE;
|
|
|
|
/* restore the default eopb0 value */
|
|
USD->eopb0 = (uint16_t)data;
|
|
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
|
|
/*disable the usdprgm bit */
|
|
FLASH->ctrl_bit.usdprgm = FALSE;
|
|
|
|
/* return the status */
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief program a word at a specified address.
|
|
* @param address: specifies the address to be programmed, word alignment is recommended.
|
|
* @param data: specifies the data to be programmed.
|
|
* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
|
* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
|
|
*/
|
|
flash_status_type flash_word_program(uint32_t address, uint32_t data)
|
|
{
|
|
flash_status_type status = FLASH_OPERATE_DONE;
|
|
if((address >= FLASH_BANK1_START_ADDR) && (address <= FLASH_BANK1_END_ADDR))
|
|
{
|
|
FLASH->ctrl_bit.fprgm = TRUE;
|
|
*(__IO uint32_t*)address = data;
|
|
/* wait for operation to be completed */
|
|
status = flash_bank1_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
|
|
/* disable the fprgm bit */
|
|
FLASH->ctrl_bit.fprgm = FALSE;
|
|
}
|
|
else if((address >= FLASH_BANK2_START_ADDR) && (address <= FLASH_BANK2_END_ADDR))
|
|
{
|
|
FLASH->ctrl2_bit.fprgm = TRUE;
|
|
*(__IO uint32_t*)address = data;
|
|
/* wait for operation to be completed */
|
|
status = flash_bank2_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
|
|
/* disable the fprgm bit */
|
|
FLASH->ctrl2_bit.fprgm = FALSE;
|
|
}
|
|
|
|
/* return the program status */
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief program a halfword at a specified address.
|
|
* @param address: specifies the address to be programmed, halfword alignment is recommended.
|
|
* @param data: specifies the data to be programmed.
|
|
* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
|
* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
|
|
*/
|
|
flash_status_type flash_halfword_program(uint32_t address, uint16_t data)
|
|
{
|
|
flash_status_type status = FLASH_OPERATE_DONE;
|
|
if((address >= FLASH_BANK1_START_ADDR) && (address <= FLASH_BANK1_END_ADDR))
|
|
{
|
|
FLASH->ctrl_bit.fprgm = TRUE;
|
|
*(__IO uint16_t*)address = data;
|
|
/* wait for operation to be completed */
|
|
status = flash_bank1_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
|
|
/* disable the fprgm bit */
|
|
FLASH->ctrl_bit.fprgm = FALSE;
|
|
}
|
|
else if((address >= FLASH_BANK2_START_ADDR) && (address <= FLASH_BANK2_END_ADDR))
|
|
{
|
|
FLASH->ctrl2_bit.fprgm = TRUE;
|
|
*(__IO uint16_t*)address = data;
|
|
/* wait for operation to be completed */
|
|
status = flash_bank2_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
|
|
/* disable the fprgm bit */
|
|
FLASH->ctrl2_bit.fprgm = FALSE;
|
|
}
|
|
|
|
/* return the program status */
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief program a byte at a specified address.
|
|
* @note this function cannot be used to program spim.
|
|
* @param address: specifies the address to be programmed.
|
|
* @param data: specifies the data to be programmed.
|
|
* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
|
* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
|
|
*/
|
|
flash_status_type flash_byte_program(uint32_t address, uint8_t data)
|
|
{
|
|
flash_status_type status = FLASH_OPERATE_DONE;
|
|
if((address >= FLASH_BANK1_START_ADDR) && (address <= FLASH_BANK1_END_ADDR))
|
|
{
|
|
FLASH->ctrl_bit.fprgm = TRUE;
|
|
*(__IO uint8_t*)address = data;
|
|
/* wait for operation to be completed */
|
|
status = flash_bank1_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
|
|
/* disable the fprgm bit */
|
|
FLASH->ctrl_bit.fprgm = FALSE;
|
|
}
|
|
else if((address >= FLASH_BANK2_START_ADDR) && (address <= FLASH_BANK2_END_ADDR))
|
|
{
|
|
FLASH->ctrl2_bit.fprgm = TRUE;
|
|
*(__IO uint8_t*)address = data;
|
|
/* wait for operation to be completed */
|
|
status = flash_bank2_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
|
|
/* disable the fprgm bit */
|
|
FLASH->ctrl2_bit.fprgm = FALSE;
|
|
}
|
|
/* return the program status */
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief program a halfword at a specified user system data address.
|
|
* @param address: specifies the address to be programmed.
|
|
* @param data: specifies the data to be programmed.
|
|
* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
|
* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
|
|
*/
|
|
flash_status_type flash_user_system_data_program(uint32_t address, uint8_t data)
|
|
{
|
|
flash_status_type status = FLASH_OPERATE_DONE;
|
|
|
|
if(address == USD_BASE)
|
|
{
|
|
if(data != 0xA5)
|
|
return FLASH_OPERATE_DONE;
|
|
}
|
|
|
|
/* unlock the user system data */
|
|
FLASH->usd_unlock = FLASH_UNLOCK_KEY1;
|
|
FLASH->usd_unlock = FLASH_UNLOCK_KEY2;
|
|
while(FLASH->ctrl_bit.usdulks==RESET);
|
|
|
|
/* enable the user system data programming operation */
|
|
FLASH->ctrl_bit.usdprgm = TRUE;
|
|
*(__IO uint16_t*)address = data;
|
|
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
|
|
/* disable the usdprgm bit */
|
|
FLASH->ctrl_bit.usdprgm = FALSE;
|
|
|
|
/* return the user system data program status */
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief config erase/program protection for the desired sectors.
|
|
* @param sector_bits:
|
|
* the pointer of the address of the sectors to be erase/program protected.
|
|
* general bit 0~31 every bit is used to protect the 4KB bytes, bit 62~32
|
|
* every bit is used to protect the 128KB bytes
|
|
* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
|
* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
|
|
*/
|
|
flash_status_type flash_epp_set(uint32_t *sector_bits)
|
|
{
|
|
uint16_t epp_data[4] = {0xFFFF,0xFFFF,0xFFFF,0xFFFF};
|
|
flash_status_type status = FLASH_OPERATE_DONE;
|
|
sector_bits[0] = (uint32_t)(~sector_bits[0]);
|
|
epp_data[0] = (uint16_t)((sector_bits[0] >> 0) & 0xFF);
|
|
epp_data[1] = (uint16_t)((sector_bits[0] >> 8) & 0xFF);
|
|
epp_data[2] = (uint16_t)((sector_bits[0] >> 16) & 0xFF);
|
|
epp_data[3] = (uint16_t)((sector_bits[0] >> 24) & 0xFF);
|
|
|
|
/* unlock the user system data */
|
|
FLASH->usd_unlock = FLASH_UNLOCK_KEY1;
|
|
FLASH->usd_unlock = FLASH_UNLOCK_KEY2;
|
|
while(FLASH->ctrl_bit.usdulks==RESET);
|
|
|
|
FLASH->ctrl_bit.usdprgm = TRUE;
|
|
USD->epp0 = epp_data[0];
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
|
|
if(status == FLASH_OPERATE_DONE)
|
|
{
|
|
USD->epp1 = epp_data[1];
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
}
|
|
if(status == FLASH_OPERATE_DONE)
|
|
{
|
|
USD->epp2 = epp_data[2];
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
}
|
|
if(status == FLASH_OPERATE_DONE)
|
|
{
|
|
USD->epp3 = epp_data[3];
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
}
|
|
|
|
sector_bits[1] = (uint32_t)(~sector_bits[1]);
|
|
epp_data[0] = (uint16_t)((sector_bits[1] >> 0) & 0xFF);
|
|
epp_data[1] = (uint16_t)((sector_bits[1] >> 8) & 0xFF);
|
|
epp_data[2] = (uint16_t)((sector_bits[1] >> 16) & 0xFF);
|
|
epp_data[3] = (uint16_t)((sector_bits[1] >> 24) & 0xFF);
|
|
if(status == FLASH_OPERATE_DONE)
|
|
{
|
|
USD->epp4 = epp_data[0];
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
}
|
|
if(status == FLASH_OPERATE_DONE)
|
|
{
|
|
USD->epp5 = epp_data[1];
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
}
|
|
if(status == FLASH_OPERATE_DONE)
|
|
{
|
|
USD->epp6 = epp_data[2];
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
}
|
|
if(status == FLASH_OPERATE_DONE)
|
|
{
|
|
USD->epp7 = epp_data[3];
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
}
|
|
|
|
/* disable the usdprgm bit */
|
|
FLASH->ctrl_bit.usdprgm = FALSE;
|
|
|
|
/* return the erase/program protection operation status */
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief return the flash erase/program protection status.
|
|
* @param sector_bits: pointer to get the epps register.
|
|
* @retval none
|
|
*/
|
|
void flash_epp_status_get(uint32_t *sector_bits)
|
|
{
|
|
/* return the flash erase/program protection register value */
|
|
sector_bits[0] = (uint32_t)(FLASH->epps0);
|
|
sector_bits[1] = (uint32_t)(FLASH->epps1);
|
|
}
|
|
|
|
/**
|
|
* @brief enable or disable the flash access protection.
|
|
* @note if the user has already programmed the other user system data before calling
|
|
* this function, must re-program them since this function erase all user system data.
|
|
* @param new_state: new state of the flash access protection.
|
|
* this parameter can be: TRUE or FALSE.
|
|
* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
|
* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
|
|
*/
|
|
flash_status_type flash_fap_enable(confirm_state new_state)
|
|
{
|
|
flash_status_type status = FLASH_OPERATE_DONE;
|
|
|
|
/* unlock the user system data */
|
|
FLASH->usd_unlock = FLASH_UNLOCK_KEY1;
|
|
FLASH->usd_unlock = FLASH_UNLOCK_KEY2;
|
|
while(FLASH->ctrl_bit.usdulks==RESET);
|
|
|
|
FLASH->ctrl_bit.usders = TRUE;
|
|
FLASH->ctrl_bit.erstr = TRUE;
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(ERASE_TIMEOUT);
|
|
|
|
/* disable the usders bit */
|
|
FLASH->ctrl_bit.usders = FALSE;
|
|
|
|
if(status == FLASH_OPERATE_DONE)
|
|
{
|
|
/* enable the user system data programming operation */
|
|
FLASH->ctrl_bit.usdprgm = TRUE;
|
|
|
|
/* restore the default eopb0 value */
|
|
USD->eopb0 = (uint16_t)0x0002;
|
|
|
|
/* Wait for operation to be completed */
|
|
status = flash_operation_wait_for(ERASE_TIMEOUT);
|
|
|
|
if(new_state == FALSE)
|
|
{
|
|
USD->fap = FAP_RELIEVE_KEY;
|
|
/* Wait for operation to be completed */
|
|
status = flash_operation_wait_for(ERASE_TIMEOUT);
|
|
}
|
|
/* disable the usdprgm bit */
|
|
FLASH->ctrl_bit.usdprgm = FALSE;
|
|
}
|
|
|
|
/* return the flash access protection operation status */
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief check the flash access protection status.
|
|
* @param none
|
|
* @retval flash access protection status(SET or RESET)
|
|
*/
|
|
flag_status flash_fap_status_get(void)
|
|
{
|
|
return (flag_status)FLASH->usd_bit.fap;
|
|
}
|
|
|
|
/**
|
|
* @brief program the flash system setting byte in usd: wdt_ato_en / depslp_rst / stdby_rst / btopt.
|
|
* @param usd_ssb: the system setting byte
|
|
* @note this parameter usd_ssb must contain a combination of all the following 6 types of data
|
|
* type 1: wdt_ato_en, select the wdt auto start
|
|
* this data can be one of the following values:
|
|
* - USD_WDT_ATO_DISABLE: disable wdt auto start
|
|
* - USD_WDT_ATO_ENABLE: enable wdt auto start
|
|
* type 2: depslp_rst, reset event when entering deepsleep mode.
|
|
* this data can be one of the following values:
|
|
* - USD_DEPSLP_NO_RST: no reset generated when entering in deepsleep
|
|
* - USD_DEPSLP_RST: reset generated when entering in deepsleep
|
|
* type 3: stdby_rst, reset event when entering standby mode.
|
|
* this data can be one of the following values:
|
|
* - USD_STDBY_NO_RST: no reset generated when entering in standby
|
|
* - USD_STDBY_RST: reset generated when entering in standby
|
|
* type 4: btopt, at startup,if boot pins are set in boot from user flash position,selected the device boot from bank1/bank2.
|
|
* this data can be one of the following values:
|
|
* - FLASH_BOOT_FROM_BANK1:boot from bank1
|
|
* - FLASH_BOOT_FROM_BANK2:boot from bank 2 or bank 1
|
|
* type 5: wdt_depslp, wdt stop/continue count when entering in deepsleep.
|
|
* this data can be one of the following values:
|
|
* - USD_WDT_DEPSLP_CONTINUE: wdt continue count
|
|
* - USD_WDT_DEPSLP_STOP: wdt stop count
|
|
* type 6: wdt_stdby, wdt stop/continue count when entering in standby.
|
|
* this data can be one of the following values:
|
|
* - USD_WDT_STDBY_CONTINUE: wdt continue count
|
|
* - USD_WDT_STDBY_STOP: wdt stop count
|
|
* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
|
* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
|
|
*/
|
|
flash_status_type flash_ssb_set(uint8_t usd_ssb)
|
|
{
|
|
flash_status_type status = FLASH_OPERATE_DONE;
|
|
|
|
/* unlock the user system data */
|
|
FLASH->usd_unlock = FLASH_UNLOCK_KEY1;
|
|
FLASH->usd_unlock = FLASH_UNLOCK_KEY2;
|
|
while(FLASH->ctrl_bit.usdulks==RESET);
|
|
|
|
/* enable the user system data programming operation */
|
|
FLASH->ctrl_bit.usdprgm = TRUE;
|
|
|
|
USD->ssb = usd_ssb;
|
|
/* wait for operation to be completed */
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
|
|
/* disable the usdprgm bit */
|
|
FLASH->ctrl_bit.usdprgm = FALSE;
|
|
|
|
/* return the user system data program status */
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief return the flash system setting byte status.
|
|
* @param none
|
|
* @retval values from flash_usd register: wdt_ato_en(bit0), depslp_rst(bit1),
|
|
* stdby_rst(bit2) and btopt(bit3).
|
|
*/
|
|
uint8_t flash_ssb_status_get(void)
|
|
{
|
|
/* return the system setting byte status */
|
|
return (uint8_t)(FLASH->usd >> 2);
|
|
}
|
|
|
|
/**
|
|
* @brief enable or disable the specified flash interrupts.
|
|
* @param flash_int: specifies the flash interrupt sources to be enabled or disabled.
|
|
* this parameter can be any combination of the following values:
|
|
* - FLASH_ERR_INT
|
|
* - FLASH_ODF_INT
|
|
* - FLASH_BANK1_ERR_INT
|
|
* - FLASH_BANK1_ODF_INT
|
|
* - FLASH_BANK2_ERR_INT
|
|
* - FLASH_BANK2_ODF_INT
|
|
* @param new_state: new state of the specified flash interrupts.
|
|
* this parameter can be: TRUE or FALSE.
|
|
* @retval none
|
|
*/
|
|
void flash_interrupt_enable(uint32_t flash_int, confirm_state new_state)
|
|
{
|
|
if(flash_int & FLASH_BANK1_ERR_INT)
|
|
FLASH->ctrl_bit.errie = new_state;
|
|
if(flash_int & FLASH_BANK1_ODF_INT)
|
|
FLASH->ctrl_bit.odfie = new_state;
|
|
if(flash_int & FLASH_BANK2_ERR_INT)
|
|
FLASH->ctrl2_bit.errie = new_state;
|
|
if(flash_int & FLASH_BANK2_ODF_INT)
|
|
FLASH->ctrl2_bit.odfie = new_state;
|
|
}
|
|
|
|
/**
|
|
* @brief enable security library function.
|
|
* @param pwd: slib password
|
|
* start_sector: security library start sector
|
|
* inst_start_sector: security library i-bus area start sector
|
|
* end_sector: security library end sector
|
|
* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
|
* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
|
|
*/
|
|
flash_status_type flash_slib_enable(uint32_t pwd, uint16_t start_sector, uint16_t inst_start_sector, uint16_t end_sector)
|
|
{
|
|
uint32_t slib_range;
|
|
flash_status_type status = FLASH_OPERATE_DONE;
|
|
|
|
/*check range param limits*/
|
|
if((start_sector>=inst_start_sector) || ((inst_start_sector > end_sector) && \
|
|
(inst_start_sector != 0xFFFF)) || (start_sector > end_sector))
|
|
return FLASH_PROGRAM_ERROR;
|
|
|
|
/* unlock slib cfg register */
|
|
FLASH->slib_unlock = SLIB_UNLOCK_KEY;
|
|
while(FLASH->slib_misc_sts_bit.slib_ulkf==RESET);
|
|
|
|
/* configure slib, set pwd and range */
|
|
FLASH->slib_set_pwd = pwd;
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
if(status == FLASH_OPERATE_DONE)
|
|
{
|
|
slib_range = ((uint32_t)(end_sector << 16) & FLASH_SLIB_END_SECTOR) | (start_sector & FLASH_SLIB_START_SECTOR);
|
|
FLASH->slib_set_range0 = slib_range;
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
if(status == FLASH_OPERATE_DONE)
|
|
{
|
|
slib_range = (inst_start_sector & FLASH_SLIB_INST_START_SECTOR) | 0x80000000;
|
|
FLASH->slib_set_range1 = slib_range;
|
|
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief disable slib when slib enabled.
|
|
* @param pwd: slib password
|
|
* @retval success or error
|
|
*/
|
|
error_status flash_slib_disable(uint32_t pwd)
|
|
{
|
|
flash_status_type status = FLASH_OPERATE_DONE;
|
|
/* write password to disable slib */
|
|
FLASH->slib_pwd_clr = pwd;
|
|
|
|
status = flash_operation_wait_for(ERASE_TIMEOUT);
|
|
if(status == FLASH_OPERATE_DONE)
|
|
{
|
|
if(FLASH->slib_misc_sts_bit.slib_pwd_ok)
|
|
return SUCCESS;
|
|
else
|
|
return ERROR;
|
|
}
|
|
return ERROR;
|
|
}
|
|
|
|
/**
|
|
* @brief get remaining count of slib(range: 256~0).
|
|
* @param none
|
|
* @retval uint32_t
|
|
*/
|
|
uint32_t flash_slib_remaining_count_get(void)
|
|
{
|
|
return (uint32_t)FLASH->slib_misc_sts_bit.slib_rcnt;
|
|
}
|
|
|
|
/**
|
|
* @brief get the slib state.
|
|
* @param none
|
|
* @retval SET or RESET
|
|
*/
|
|
flag_status flash_slib_state_get(void)
|
|
{
|
|
if(FLASH->slib_sts0_bit.slib_enf)
|
|
return SET;
|
|
else
|
|
return RESET;
|
|
}
|
|
|
|
/**
|
|
* @brief get the start sector of slib.
|
|
* @param none
|
|
* @retval uint16_t
|
|
*/
|
|
uint16_t flash_slib_start_sector_get(void)
|
|
{
|
|
return (uint16_t)FLASH->slib_sts1_bit.slib_ss;
|
|
}
|
|
|
|
/**
|
|
* @brief get the instruction start sector of slib.
|
|
* @param none
|
|
* @retval uint16_t
|
|
*/
|
|
uint16_t flash_slib_inststart_sector_get(void)
|
|
{
|
|
return (uint16_t)FLASH->slib_sts2_bit.slib_inst_ss;
|
|
}
|
|
|
|
/**
|
|
* @brief get the end sector of slib.
|
|
* @param none
|
|
* @retval uint16_t
|
|
*/
|
|
uint16_t flash_slib_end_sector_get(void)
|
|
{
|
|
return (uint16_t)FLASH->slib_sts1_bit.slib_es;
|
|
}
|
|
|
|
/**
|
|
* @brief flash crc calibration in main block.
|
|
* @param start_sector: crc calibration start sector number
|
|
* sector_cnt: crc calibration sector count
|
|
* @retval uint32: crc calibration result
|
|
*/
|
|
uint32_t flash_crc_calibrate(uint32_t start_sector, uint32_t sector_cnt)
|
|
{
|
|
FLASH->crc_ctrl_bit.crc_ss = start_sector;
|
|
FLASH->crc_ctrl_bit.crc_sn = sector_cnt;
|
|
FLASH->crc_ctrl_bit.crc_strt = TRUE;
|
|
flash_operation_wait_for(OPERATION_TIMEOUT);
|
|
return FLASH->crc_chkr;
|
|
}
|
|
|
|
/**
|
|
* @brief flash non-zero wait area boost enable.
|
|
* @param new_state: new state of the flash non-zero wait area boost operation.
|
|
* this parameter can be: TRUE or FALSE.
|
|
* @retval none
|
|
*/
|
|
void flash_nzw_boost_enable(confirm_state new_state)
|
|
{
|
|
FLASH->psr_bit.nzw_bst = new_state;
|
|
}
|
|
|
|
/**
|
|
* @brief flash continue read enable.
|
|
* @param new_state: new state of the flash continue read enable operation.
|
|
* this parameter can be: TRUE or FALSE.
|
|
* @retval none
|
|
*/
|
|
void flash_continue_read_enable(confirm_state new_state)
|
|
{
|
|
FLASH->contr_bit.fcontr_en = new_state;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|