689 lines
20 KiB
C
689 lines
20 KiB
C
/******************************************************************************
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*Copyright(C)2018, Huada Semiconductor Co.,Ltd All rights reserved.
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*
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* This software is owned and published by:
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* Huada Semiconductor Co.,Ltd("HDSC").
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*
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* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
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* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
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*
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* This software contains source code for use with HDSC
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* components. This software is licensed by HDSC to be adapted only
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* for use in systems utilizing HDSC components. HDSC shall not be
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* responsible for misuse or illegal use of this software for devices not
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* supported herein. HDSC is providing this software "AS IS" and will
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* not be responsible for issues arising from incorrect user implementation
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* of the software.
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*
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* Disclaimer:
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* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
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* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
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* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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* WARRANTY OF NONINFRINGEMENT.
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* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
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* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
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* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
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* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
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* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
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* SAVINGS OR PROFITS,
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* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
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* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
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* FROM, THE SOFTWARE.
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*
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* This software may be replicated in part or whole for the licensed use,
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* with the restriction that this Disclaimer and Copyright notice must be
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* included with each copy of this software, whether used in part or whole,
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* at all times.
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*/
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/** \file flash.c
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**
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** Common API of flash.
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** @link flashGroup Some description @endlink
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**
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** - 2018-05-08
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**
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******************************************************************************/
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/*******************************************************************************
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* Include files
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******************************************************************************/
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#include "flash.h"
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/**
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*******************************************************************************
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** \addtogroup FlashGroup
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******************************************************************************/
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//@{
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/*******************************************************************************
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* Local pre-processor symbols/macros ('#define')
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******************************************************************************/
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#define FLASH_END_ADDR (0x0000FFFFu)
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#define FLASH_BYPASS() M0P_FLASH->BYPASS_f.BYSEQ = 0x5A5A;\
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M0P_FLASH->BYPASS_f.BYSEQ = 0xA5A5;
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#define FLASH_IE_TRUE (0x03)
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#define FLASH_IE_FALSE (0x00)
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/*******************************************************************************
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* Global variable definitions (declared in header file with 'extern')
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******************************************************************************/
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/*******************************************************************************
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* Local type definitions ('typedef')
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******************************************************************************/
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/**
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******************************************************************************
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** \brief FLASH OP
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**
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** Flash 操作控制数据类型重定义
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******************************************************************************/
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typedef enum en_flash_op
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{
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Read = 0u, ///<读配置值
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Program = 1u, ///<编程配置值
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SectorErase = 2u, ///<扇区擦除配置值
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ChipErase = 3u, ///<全片擦除配置值
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} en_flash_op_t;
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/**
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******************************************************************************
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** \brief FLASH LOCK
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**
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** Flash 加解锁数据类型重定义
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******************************************************************************/
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typedef enum en_flash_lock
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{
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LockAll = 0x00000000u, ///<全片加锁
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UnlockAll = (int)0xFFFFFFFFu, ///<全片解锁
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} en_flash_lock_t;
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/**
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******************************************************************************
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** \brief FLASH 编程时间参数配置
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**
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** FLASH编程时间参数配置数据类型重定义 (4MHz)
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******************************************************************************/
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typedef enum en_flash_prgtimer
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{
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Tnvs = 0x20u,
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Tpgs = 0x17u,
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Tprog = 0x1Bu,
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Tserase = 0x4650u,
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Tmerase = 0x222E0u,
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Tprcv = 0x18u,
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Tsrcv = 0xF0u,
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Tmrcv = 0x3E8u,
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} en_flash_prgtimer_t;
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/*******************************************************************************
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* Local variable definitions ('static')
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******************************************************************************/
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/*******************************************************************************
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* Local function prototypes ('static')
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******************************************************************************/
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static func_ptr_t pfnFlashCallback = NULL;
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/*******************************************************************************
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* Function implementation - global ('extern') and local ('static')
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******************************************************************************/
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/**
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*****************************************************************************
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** \brief Flash中断服务函数
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**
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**
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** \param [in] u8Param == 0
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**
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*****************************************************************************/
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void EfRam_IRQHandler(uint8_t u8Param)
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{
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if(NULL != pfnFlashCallback)
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{
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pfnFlashCallback();
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}
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}
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/**
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*****************************************************************************
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** \brief Flash中断标志获取
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**
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**
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** \param [in] enFlashIntType Flash中断类型
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**
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** \retval TRUE or FALSE
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*****************************************************************************/
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boolean_t Flash_GetIntFlag(en_flash_int_type_t enFlashIntType)
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{
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boolean_t bRetVal = FALSE;
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switch (enFlashIntType)
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{
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case FlashPCInt:
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bRetVal = M0P_FLASH->IFR_f.IF0 ? TRUE : FALSE;
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break;
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case FlashSlockInt:
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bRetVal = M0P_FLASH->IFR_f.IF1 ? TRUE : FALSE;
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break;
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default:
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bRetVal = FALSE;
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break;
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}
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return bRetVal;
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}
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/**
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*****************************************************************************
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** \brief Flash中断标志清除
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**
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**
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** \param [in] enFlashIntType Flash中断类型
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**
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** \retval Ok or Error
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*****************************************************************************/
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en_result_t Flash_ClearIntFlag(en_flash_int_type_t enFlashIntType)
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{
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en_result_t enResult = Error;
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switch (enFlashIntType)
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{
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case FlashPCInt:
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FLASH_BYPASS();
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M0P_FLASH->ICLR_f.ICLR0 = FALSE;
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enResult = Ok;
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break;
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case FlashSlockInt:
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FLASH_BYPASS();
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M0P_FLASH->ICLR_f.ICLR1 = FALSE;
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enResult = Ok;
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break;
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default:
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enResult = Error;
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break;
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}
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return enResult;
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}
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/**
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*****************************************************************************
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** \brief Flash中断使能
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**
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**
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** \param [in] enFlashIntType Flash中断类型
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**
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** \retval Ok or Error
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*****************************************************************************/
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en_result_t Flash_EnableIrq (en_flash_int_type_t enFlashIntType)
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{
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en_result_t enResult = Error;
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switch (enFlashIntType)
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{
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case FlashPCInt:
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FLASH_BYPASS();
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M0P_FLASH->CR_f.IE |= 0x01;
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enResult = Ok;
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break;
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case FlashSlockInt:
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FLASH_BYPASS();
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M0P_FLASH->CR_f.IE |= 0x02;
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enResult = Ok;
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break;
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default:
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enResult = Error;
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break;
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}
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return enResult;
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}
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/**
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*****************************************************************************
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** \brief Flash中断禁止
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**
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**
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** \param [in] enFlashIntType Flash中断类型
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**
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** \retval Ok or Error
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*****************************************************************************/
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en_result_t Flash_DisableIrq(en_flash_int_type_t enFlashIntType)
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{
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en_result_t enResult = Error;
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switch (enFlashIntType)
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{
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case FlashSlockInt:
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FLASH_BYPASS();
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M0P_FLASH->CR_f.IE &= ~0x02u;
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enResult = Ok;
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break;
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case FlashPCInt:
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FLASH_BYPASS();
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M0P_FLASH->CR_f.IE &= ~0x01u;
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enResult = Ok;
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break;
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default:
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enResult = Error;
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break;
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}
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return enResult;
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}
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/**
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*****************************************************************************
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** \brief FLASH 初始化函数——中断服务程序、编程时间配置及低功耗模式
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**
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** 该函数用于配置中断服务函数、低功耗模式、根据系统时钟配置FLASH编程时间相关寄存器.
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**
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** \param [in] pfnFlashCb Flash中断服务回调函数[void function(void)]
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** \param [in] u8FreqCfg FLASH编程时钟频率配置(根据HCLK的频率选择配置值)：
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** 1 - (0,4]MHz;
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** 2 - (4,8]MHz;
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** 4 - (8,16]MHz;
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** 6 - (16,24]MHz;
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** 8 - (24,32]MHz（该配置会设置插入1个FLASH等待周期）;
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** 12 - (32,48]MHz（该配置会设置插入1个FLASH等待周期）;
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** other - 无效值
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** \param [in] bDpstbEn TRUE - 当系统进入DeepSleep模式，FLASH进入低功耗模式;
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** FALSE - 当系统进入DeepSleep模式，FLASH不进入低功耗模式;
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**
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** \retval Ok 操作成功.
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** \retval ErrorInvalidParameter 参数无效.
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**
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*****************************************************************************/
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en_result_t Flash_Init(func_ptr_t pfnFlashCb, uint8_t u8FreqCfg, boolean_t bDpstbEn)
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{
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en_result_t enResult = Ok;
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if ((1 != u8FreqCfg) &&
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(2 != u8FreqCfg) &&
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(4 != u8FreqCfg) &&
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(6 != u8FreqCfg) &&
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(8 != u8FreqCfg) &&
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(12 != u8FreqCfg))
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{
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enResult = ErrorInvalidParameter;
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return (enResult);
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}
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//当系统进入DeepSleep模式时，FLASH模式配置
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FLASH_BYPASS();
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M0P_FLASH->CR_f.DPSTB_EN = bDpstbEn;
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//flash时间参数寄存器配置
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FLASH_BYPASS();
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M0P_FLASH->TNVS_f.TNVS = Tnvs * u8FreqCfg;
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FLASH_BYPASS();
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M0P_FLASH->TPGS_f.TPGS = Tpgs * u8FreqCfg;
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FLASH_BYPASS();
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M0P_FLASH->TPROG_f.TPROG = Tprog * u8FreqCfg;
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FLASH_BYPASS();
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M0P_FLASH->TSERASE_f.TSERASE = Tserase * u8FreqCfg;
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FLASH_BYPASS();
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M0P_FLASH->TMERASE_f.TMERASE = Tmerase * u8FreqCfg;
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FLASH_BYPASS();
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M0P_FLASH->TPRCV_f.TPRCV = Tprcv * u8FreqCfg;
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FLASH_BYPASS();
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M0P_FLASH->TSRCV_f.TSRCV = Tsrcv * u8FreqCfg;
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FLASH_BYPASS();
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M0P_FLASH->TMRCV_f.TMRCV = Tmrcv * u8FreqCfg;
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//开启读FLASH等待周期
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if (8 == u8FreqCfg)
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{
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FLASH_BYPASS();
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M0P_FLASH->CR_f.WAIT = 0x01;
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}
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else if(12 == u8FreqCfg)
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{
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FLASH_BYPASS();
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M0P_FLASH->CR_f.WAIT = 0x01;
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}
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else
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{
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FLASH_BYPASS();
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M0P_FLASH->CR_f.WAIT = 0x00;
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}
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pfnFlashCallback = pfnFlashCb;
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return (enResult);
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}
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/**
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*****************************************************************************
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** \brief FLASH 字节写
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**
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** 用于向FLASH写入1字节数据.
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**
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** \param [in] u32Addr Flash地址
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** \param [in] u8Data 1字节数据
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**
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** \retval Ok 写入成功.
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** \retval ErrorInvalidParameter FLASH地址无效
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*****************************************************************************/
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en_result_t Flash_WriteByte(uint32_t u32Addr, uint8_t u8Data)
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{
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en_result_t enResult = Ok;
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if (FLASH_END_ADDR < u32Addr)
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{
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enResult = ErrorInvalidParameter;
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return (enResult);
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}
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//unlock flash
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FLASH_BYPASS();
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M0P_FLASH->SLOCK_f.SLOCK = (uint32_t)UnlockAll;
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//busy?
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while (TRUE == M0P_FLASH->CR_f.BUSY)
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{
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;
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}
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//set OP
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FLASH_BYPASS();
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M0P_FLASH->CR_f.OP = Program;
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//write data
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*((volatile uint8_t*)u32Addr) = u8Data;
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//busy?
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while (TRUE == M0P_FLASH->CR_f.BUSY)
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{
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;
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}
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//lock flash
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FLASH_BYPASS();
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M0P_FLASH->SLOCK_f.SLOCK = (uint32_t)LockAll;
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return (enResult);
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}
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/**
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*****************************************************************************
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** \brief FLASH 半字写
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**
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** 用于向FLASH写入半字（2字节）数据.
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**
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** \param [in] u32Addr Flash地址
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** \param [in] u16Data 半字（2字节）数据
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**
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** \retval Ok 写入成功.
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** \retval ErrorInvalidParameter FLASH地址无效
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*****************************************************************************/
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en_result_t Flash_WriteHalfWord(uint32_t u32Addr, uint16_t u16Data)
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{
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en_result_t enResult = Ok;
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if ((FLASH_END_ADDR < u32Addr) || (u32Addr % 2))
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{
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enResult = ErrorInvalidParameter;
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return (enResult);
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}
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//unlock flash
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FLASH_BYPASS();
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M0P_FLASH->SLOCK_f.SLOCK = (uint32_t)UnlockAll;
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//busy?
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while (TRUE == M0P_FLASH->CR_f.BUSY)
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{
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;
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}
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//set OP
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FLASH_BYPASS();
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M0P_FLASH->CR_f.OP = Program;
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//write data
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*((volatile uint16_t*)u32Addr) = u16Data;
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//busy?
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while (TRUE == M0P_FLASH->CR_f.BUSY)
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{
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;
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}
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//lock flash
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FLASH_BYPASS();
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M0P_FLASH->SLOCK_f.SLOCK = (uint32_t)LockAll;
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return (enResult);
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}
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/**
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*****************************************************************************
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** \brief FLASH 字写
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**
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** 用于向FLASH写入1个字的数据.
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**
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** \param [in] u32Addr Flash地址
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** \param [in] u32Data 1个字数据
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**
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** \retval Ok 写入成功.
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** \retval ErrorInvalidParameter FLASH地址无效
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*****************************************************************************/
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en_result_t Flash_WriteWord(uint32_t u32Addr, uint32_t u32Data)
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{
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en_result_t enResult = Ok;
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if ((FLASH_END_ADDR < u32Addr) || (u32Addr % 4))
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{
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enResult = ErrorInvalidParameter;
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return (enResult);
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}
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//unlock flash
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FLASH_BYPASS();
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M0P_FLASH->SLOCK_f.SLOCK = (uint32_t)UnlockAll;
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//busy?
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while (TRUE == M0P_FLASH->CR_f.BUSY)
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{
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;
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}
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//set OP
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FLASH_BYPASS();
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M0P_FLASH->CR_f.OP = Program;
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//write data
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*((volatile uint32_t*)u32Addr) = u32Data;
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//busy?
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while (TRUE == M0P_FLASH->CR_f.BUSY)
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{
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;
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}
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//lock flash
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FLASH_BYPASS();
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M0P_FLASH->SLOCK_f.SLOCK = LockAll;
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return (enResult);
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}
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/**
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*****************************************************************************
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** \brief FLASH 扇区擦除
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**
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** FLASH 扇区擦除.
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**
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** \param [in] u32SectorAddr 所擦除扇区内的地址
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**
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** \retval Ok 擦除成功.
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** \retval ErrorInvalidParameter FLASH地址无效
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*****************************************************************************/
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en_result_t Flash_SectorErase(uint32_t u32SectorAddr)
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{
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en_result_t enResult = Ok;
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if (FLASH_END_ADDR < u32SectorAddr)
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{
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enResult = ErrorInvalidParameter;
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return (enResult);
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}
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//unlock flash
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FLASH_BYPASS();
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M0P_FLASH->SLOCK_f.SLOCK = (uint32_t)UnlockAll;
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//busy?
|
||
while (TRUE == M0P_FLASH->CR_f.BUSY)
|
||
{
|
||
;
|
||
}
|
||
|
||
//set OP
|
||
FLASH_BYPASS();
|
||
M0P_FLASH->CR_f.OP = SectorErase;
|
||
|
||
//write data
|
||
*((volatile uint8_t*)u32SectorAddr) = 0;
|
||
|
||
//busy?
|
||
while (TRUE == M0P_FLASH->CR_f.BUSY)
|
||
{
|
||
;
|
||
}
|
||
|
||
//lock flash
|
||
FLASH_BYPASS();
|
||
M0P_FLASH->SLOCK_f.SLOCK = LockAll;
|
||
|
||
return (enResult);
|
||
}
|
||
|
||
/**
|
||
*****************************************************************************
|
||
** \brief FLASH 全片擦除
|
||
**
|
||
** FLASH 全片擦除.
|
||
**
|
||
**
|
||
** \retval Ok 擦除成功.
|
||
**
|
||
*****************************************************************************/
|
||
en_result_t Flash_ChipErase(void)
|
||
{
|
||
|
||
en_result_t enResult = Ok;
|
||
|
||
//unlock flash
|
||
FLASH_BYPASS();
|
||
M0P_FLASH->SLOCK_f.SLOCK = (uint32_t)UnlockAll;
|
||
|
||
//busy?
|
||
while (TRUE == M0P_FLASH->CR_f.BUSY)
|
||
{
|
||
;
|
||
}
|
||
|
||
//set OP
|
||
FLASH_BYPASS();
|
||
M0P_FLASH->CR_f.OP = ChipErase;
|
||
|
||
//write data
|
||
*((volatile uint8_t*)0) = 0;
|
||
|
||
//busy?
|
||
while (TRUE == M0P_FLASH->CR_f.BUSY)
|
||
{
|
||
;
|
||
}
|
||
|
||
//lock flash
|
||
FLASH_BYPASS();
|
||
M0P_FLASH->SLOCK_f.SLOCK = LockAll;
|
||
|
||
return (enResult);
|
||
}
|
||
|
||
/**
|
||
*****************************************************************************
|
||
** \brief FLASH 编程保护加锁
|
||
**
|
||
** \param [in] enFlashSector 加锁范围选择枚举
|
||
**
|
||
** \retval Ok 加锁成功
|
||
** \retval ErrorInvalidParameter 参数错误
|
||
*****************************************************************************/
|
||
en_result_t Flash_Lock(en_flash_sector_lock_t enFlashSector)
|
||
{
|
||
en_result_t enResult = Ok;
|
||
|
||
FLASH_BYPASS();
|
||
M0P_FLASH->SLOCK_f.SLOCK |= (uint32_t)enFlashSector;
|
||
|
||
return enResult;
|
||
}
|
||
|
||
/**
|
||
*****************************************************************************
|
||
** \brief FLASH 编程保护解锁
|
||
**
|
||
** \param [in] enFlashSector 解锁范围选择枚举
|
||
**
|
||
** \retval Ok 解锁成功
|
||
** \retval ErrorInvalidParameter 参数错误
|
||
*****************************************************************************/
|
||
en_result_t Flash_Unlock(en_flash_sector_lock_t enFlashSector)
|
||
{
|
||
en_result_t enResult = Ok;
|
||
|
||
FLASH_BYPASS();
|
||
M0P_FLASH->SLOCK_f.SLOCK &= ~(uint32_t)enFlashSector;
|
||
|
||
return enResult;
|
||
}
|
||
|
||
/**
|
||
*****************************************************************************
|
||
** \brief FLASH 读等待周期设置
|
||
**
|
||
** \param [in] enWaitCycle 插入FLASH读等待周期数枚举类型
|
||
**
|
||
** \retval Ok 解锁成功
|
||
** \retval ErrorInvalidParameter 参数错误
|
||
*****************************************************************************/
|
||
en_result_t Flash_WaitCycle(en_flash_waitcycle_t enWaitCycle)
|
||
{
|
||
en_result_t enResult = Ok;
|
||
|
||
//插入FLASH读等待周期
|
||
M0P_SYSCTRL->PERI_CLKEN_f.FLASH = 1;
|
||
M0P_FLASH->BYPASS_f.BYSEQ = 0x5A5A;
|
||
M0P_FLASH->BYPASS_f.BYSEQ = 0xA5A5;
|
||
if (0 == enWaitCycle)
|
||
{
|
||
M0P_FLASH->CR_f.WAIT = 0;
|
||
}
|
||
else if(1 == enWaitCycle)
|
||
{
|
||
M0P_FLASH->CR_f.WAIT = 1;
|
||
}
|
||
else
|
||
{
|
||
M0P_FLASH->CR_f.WAIT = 2;
|
||
}
|
||
|
||
return enResult;
|
||
}
|
||
|
||
|
||
//@} // FlashGroup
|
||
|
||
/*******************************************************************************
|
||
* EOF (not truncated)
|
||
******************************************************************************/
|