initial commit
This commit is contained in:
961
libraries/drivers/src/at32f413_flash.c
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961
libraries/drivers/src/at32f413_flash.c
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/**
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**************************************************************************
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* @file at32f413_flash.c
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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 "at32f413_conf.h"
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/** @addtogroup AT32F413_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_SPIM_OBF_FLAG
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* - FLASH_SPIM_ODF_FLAG
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* - FLASH_SPIM_PRGMERR_FLAG
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* - FLASH_SPIM_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 0x20000000:
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if(FLASH->sts3 & 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_SPIM_ODF_FLAG
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* - FLASH_SPIM_PRGMERR_FLAG
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* - FLASH_SPIM_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 0x20000000:
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FLASH->sts3 = 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 spim 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_spim_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->sts3_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->sts3_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->sts3_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 spim 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_spim_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_spim_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_spim_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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}
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/**
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* @brief unlock the flash spim controller.
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* @param none
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* @retval none
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*/
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void flash_spim_unlock(void)
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{
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FLASH->unlock3 = FLASH_UNLOCK_KEY1;
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FLASH->unlock3 = 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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}
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/**
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* @brief lock the flash spim controller.
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* @param none
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* @retval none
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*/
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void flash_spim_lock(void)
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{
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FLASH->ctrl3_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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/* spim : external flash */
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if(sector_address >= FLASH_SPIM_START_ADDR)
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{
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FLASH->ctrl3_bit.secers = TRUE;
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FLASH->addr3 = sector_address;
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FLASH->ctrl3_bit.erstr = TRUE;
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/* wait for operation to be completed */
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status = flash_spim_operation_wait_for(SPIM_ERASE_TIMEOUT);
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/* disable the secers bit */
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FLASH->ctrl3_bit.secers = FALSE;
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/* dummy read */
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flash_spim_dummy_read();
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}
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else
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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_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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/* 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_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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/* 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 spim 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_spim_all_erase(void)
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{
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flash_status_type status = FLASH_OPERATE_DONE;
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FLASH->ctrl3_bit.chpers = TRUE;
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FLASH->ctrl3_bit.erstr = TRUE;
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/* wait for operation to be completed */
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status = flash_spim_operation_wait_for(SPIM_ERASE_TIMEOUT);
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/* disable the chpers bit */
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FLASH->ctrl3_bit.chpers = FALSE;
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/* dummy read */
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flash_spim_dummy_read();
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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 the flash user system data.
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* @note this functions erases all user system data except the fap byte.
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* @param none
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||||
* @retval status: the returned value can be: FLASH_PROGRAM_ERROR,
|
||||
* FLASH_EPP_ERROR, FLASH_OPERATE_DONE or FLASH_OPERATE_TIMEOUT.
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||||
*/
|
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flash_status_type flash_user_system_data_erase(void)
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||||
{
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flash_status_type status = FLASH_OPERATE_DONE;
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uint16_t fap_val = FAP_RELIEVE_KEY;
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/* get the flash access protection status */
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if(flash_fap_status_get() != RESET)
|
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{
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fap_val = 0x0000;
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}
|
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/* unlock the user system data */
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FLASH->usd_unlock = FLASH_UNLOCK_KEY1;
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FLASH->usd_unlock = FLASH_UNLOCK_KEY2;
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while(FLASH->ctrl_bit.usdulks == RESET);
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|
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/* erase the user system data */
|
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FLASH->ctrl_bit.usders = 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_operation_wait_for(ERASE_TIMEOUT);
|
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/* disable the usders bit */
|
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FLASH->ctrl_bit.usders = FALSE;
|
||||
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||||
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 erase 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;
|
||||
/* spim : external flash */
|
||||
if(address >= FLASH_SPIM_START_ADDR)
|
||||
{
|
||||
FLASH->ctrl3_bit.fprgm = TRUE;
|
||||
*(__IO uint32_t*)address = data;
|
||||
/* wait for operation to be completed */
|
||||
status = flash_spim_operation_wait_for(SPIM_PROGRAMMING_TIMEOUT);
|
||||
|
||||
/* disable the fprgm bit */
|
||||
FLASH->ctrl3_bit.fprgm = FALSE;
|
||||
|
||||
/* dummy read */
|
||||
flash_spim_dummy_read();
|
||||
}
|
||||
else
|
||||
{
|
||||
FLASH->ctrl_bit.fprgm = TRUE;
|
||||
*(__IO uint32_t*)address = data;
|
||||
/* wait for operation to be completed */
|
||||
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
||||
|
||||
/* disable the fprgm bit */
|
||||
FLASH->ctrl_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;
|
||||
/* spim : external flash */
|
||||
if(address >= FLASH_SPIM_START_ADDR)
|
||||
{
|
||||
FLASH->ctrl3_bit.fprgm = TRUE;
|
||||
*(__IO uint16_t*)address = data;
|
||||
/* wait for operation to be completed */
|
||||
status = flash_spim_operation_wait_for(SPIM_PROGRAMMING_TIMEOUT);
|
||||
|
||||
/* disable the fprgm bit */
|
||||
FLASH->ctrl3_bit.fprgm = FALSE;
|
||||
|
||||
/* dummy read */
|
||||
flash_spim_dummy_read();
|
||||
}
|
||||
else
|
||||
{
|
||||
FLASH->ctrl_bit.fprgm = TRUE;
|
||||
*(__IO uint16_t*)address = data;
|
||||
/* wait for operation to be completed */
|
||||
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
||||
|
||||
/* disable the fprgm bit */
|
||||
FLASH->ctrl_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;
|
||||
|
||||
FLASH->ctrl_bit.fprgm = TRUE;
|
||||
*(__IO uint8_t*)address = data;
|
||||
/* wait for operation to be completed */
|
||||
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
||||
|
||||
/* disable the fprgm bit */
|
||||
FLASH->ctrl_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 every bit is used to protect the 4KB bytes, and the last one bit
|
||||
* is used to protect the rest.
|
||||
* @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);
|
||||
}
|
||||
/* 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->epps);
|
||||
}
|
||||
|
||||
/**
|
||||
* @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)
|
||||
{
|
||||
if(new_state == FALSE)
|
||||
{
|
||||
/* enable the user system data programming operation */
|
||||
FLASH->ctrl_bit.usdprgm = TRUE;
|
||||
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.
|
||||
* @param usd_ssb: the system setting byte
|
||||
* @note this parameter usd_ssb must contain a combination of all the following 3 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
|
||||
* @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) and stdby_rst(bit2).
|
||||
*/
|
||||
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_SPIM_ERR_INT
|
||||
* - FLASH_SPIM_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_ERR_INT)
|
||||
FLASH->ctrl_bit.errie = new_state;
|
||||
if(flash_int & FLASH_ODF_INT)
|
||||
FLASH->ctrl_bit.odfie = new_state;
|
||||
if(flash_int & FLASH_SPIM_ERR_INT)
|
||||
FLASH->ctrl3_bit.errie = new_state;
|
||||
if(flash_int & FLASH_SPIM_ODF_INT)
|
||||
FLASH->ctrl3_bit.odfie = new_state;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief select spim supports extended spi flash chip model.
|
||||
* @param mode: the extended spi flash model
|
||||
* @retval none
|
||||
*/
|
||||
void flash_spim_model_select(flash_spim_model_type mode)
|
||||
{
|
||||
FLASH->select = mode;
|
||||
|
||||
/* dummy read */
|
||||
flash_spim_dummy_read();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief set the range of encryption in spim flash.
|
||||
* when the address is larger than this value, the writing data will be
|
||||
* directly written to spim without encryption.
|
||||
* @param decode_address: the end address of encrypted data in spim
|
||||
* @retval none
|
||||
*/
|
||||
void flash_spim_encryption_range_set(uint32_t decode_address)
|
||||
{
|
||||
FLASH->da = decode_address;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief operate the flash spim dummy read.
|
||||
* @param none
|
||||
* @retval none
|
||||
*/
|
||||
void flash_spim_dummy_read(void)
|
||||
{
|
||||
UNUSED(*(__IO uint32_t*)FLASH_SPIM_START_ADDR);
|
||||
UNUSED(*(__IO uint32_t*)(FLASH_SPIM_START_ADDR + 0x1000));
|
||||
UNUSED(*(__IO uint32_t*)(FLASH_SPIM_START_ADDR + 0x2000));
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief mass program for flash spim.
|
||||
* @param address: specifies the start address to be programmed, word or halfword alignment is recommended.
|
||||
* @param buf: specifies the pointer of data to be programmed.
|
||||
* @param cnt: specifies the data counter 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_spim_mass_program(uint32_t address, uint8_t *buf, uint32_t cnt)
|
||||
{
|
||||
flash_status_type status = FLASH_OPERATE_DONE;
|
||||
uint32_t index, temp_offset;
|
||||
if(address >= FLASH_SPIM_START_ADDR)
|
||||
{
|
||||
temp_offset = cnt % 4;
|
||||
if((temp_offset != 0) && (temp_offset != 2))
|
||||
return status;
|
||||
|
||||
FLASH->ctrl3_bit.fprgm = TRUE;
|
||||
for(index = 0; index < cnt / 4; index++)
|
||||
{
|
||||
*(__IO uint32_t*)(address + index * 4) = *(uint32_t*)(buf + index * 4);
|
||||
/* wait for operation to be completed */
|
||||
status = flash_spim_operation_wait_for(SPIM_PROGRAMMING_TIMEOUT);
|
||||
if(status != FLASH_OPERATE_DONE)
|
||||
return status;
|
||||
}
|
||||
if(temp_offset == 2)
|
||||
{
|
||||
*(__IO uint16_t*)(address + index * 4) = *(uint16_t*)(buf + index * 4);
|
||||
/* wait for operation to be completed */
|
||||
status = flash_spim_operation_wait_for(SPIM_PROGRAMMING_TIMEOUT);
|
||||
}
|
||||
/* disable the fprgm bit */
|
||||
FLASH->ctrl3_bit.fprgm = FALSE;
|
||||
|
||||
/* dummy read */
|
||||
flash_spim_dummy_read();
|
||||
}
|
||||
|
||||
/* return the program status */
|
||||
return status;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief enable security library function.
|
||||
* @param pwd: slib password
|
||||
* start_sector: security library start sector
|
||||
* data_start_sector: security library d-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 data_start_sector, uint16_t end_sector)
|
||||
{
|
||||
uint32_t slib_range;
|
||||
flash_status_type status = FLASH_OPERATE_DONE;
|
||||
|
||||
/*check range param limits*/
|
||||
if((start_sector>=data_start_sector) || ((data_start_sector > end_sector) && \
|
||||
(data_start_sector != 0x7FF)) || (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);
|
||||
|
||||
slib_range = ((uint32_t)(data_start_sector << 11) & FLASH_SLIB_DATA_START_SECTOR) | \
|
||||
((uint32_t)(end_sector << 22) & FLASH_SLIB_END_SECTOR) | \
|
||||
(start_sector & FLASH_SLIB_START_SECTOR);
|
||||
/* configure slib, set pwd and range */
|
||||
FLASH->slib_set_pwd = pwd;
|
||||
status = flash_operation_wait_for(PROGRAMMING_TIMEOUT);
|
||||
if(status == FLASH_OPERATE_DONE)
|
||||
{
|
||||
FLASH->slib_set_range = 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 data start sector of slib.
|
||||
* @param none
|
||||
* @retval uint16_t
|
||||
*/
|
||||
uint16_t flash_slib_datastart_sector_get(void)
|
||||
{
|
||||
return (uint16_t)FLASH->slib_sts1_bit.slib_dat_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;
|
||||
}
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
Reference in New Issue
Block a user