rt-thread-official/bsp/synwit/swm320/libraries/SWM320_StdPeriph_Driver/SWM320_flash.c

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/******************************************************************************************************************************************
* : SWM320_flash.c
* : 使IAP功能将片上Flash模拟成EEPROM来保存数据
* : http://www.synwit.com.cn/e/tool/gbook/?bid=1
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* :
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* : V1.1.0 20171025
* :
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*******************************************************************************************************************************************
* @attention
*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH CODING INFORMATION
* REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS A RESULT, SYNWIT SHALL NOT BE HELD LIABLE
* FOR ANY DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
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* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION CONTAINED HEREIN IN CONN-
* -ECTION WITH THEIR PRODUCTS.
*
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* COPYRIGHT 2012 Synwit Technology
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*******************************************************************************************************************************************/
#include "SWM320.h"
#include "SWM320_flash.h"
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IAP_Cache_Reset_t IAP_Cache_Reset = (IAP_Cache_Reset_t)0x11000601;
IAP_Flash_Param_t IAP_Flash_Param = (IAP_Flash_Param_t)0x11000681;
IAP_Flash_Erase_t IAP_Flash_Erase = (IAP_Flash_Erase_t)0x11000781;
IAP_Flash_Write_t IAP_Flash_Write = (IAP_Flash_Write_t)0x11000801;
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/******************************************************************************************************************************************
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* : FLASH_Erase()
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* : Flash擦除
* : uint32_t addr 4K Byte
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* :
* :
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******************************************************************************************************************************************/
void FLASH_Erase(uint32_t addr)
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{
__disable_irq();
IAP_Flash_Erase(addr / 0x1000);
IAP_Cache_Reset();
__enable_irq();
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}
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/******************************************************************************************************************************************
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* : FLASH_Write()
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* : Flash写入
* : uint32_t addr
* uint32_t buff[]
* uint32_t count 44
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* :
* : 44
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******************************************************************************************************************************************/
void FLASH_Write(uint32_t addr, uint32_t buff[], uint32_t count)
{
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__disable_irq();
IAP_Flash_Write(addr, (uint32_t)buff, count/4);
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IAP_Cache_Reset();
__enable_irq();
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}
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/******************************************************************************************************************************************
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* : Flash_Param_at_xMHz()
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* : Flash参数设置成xMHz主频下运行时所需的参数
* : uint32_t x
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* :
* :
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******************************************************************************************************************************************/
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void Flash_Param_at_xMHz(uint32_t x)
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{
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__disable_irq();
switch(x)
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{
case 30:
IAP_Flash_Param(0x489, 0xabf41f25);
break;
case 40:
IAP_Flash_Param(0x489, 0xabf42929);
break;
case 80:
IAP_Flash_Param(0x489, 0xabf8524d);
break;
case 120:
default:
IAP_Flash_Param(0x48a, 0xabfc7a6e);
break;
}
__enable_irq();
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}