rt-thread-official/bsp/essemi/es8p508x/libraries/Library/Source/lib_iap.c

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/***************************************************************
*Copyright (C), 2017, Shanghai Eastsoft Microelectronics Co., Ltd.
*文件名:
*作 者: Liut
*版 本: V1.00
*日 期: 2017/07/14
*描 述:
*备 注: 适用于 ES8P508芯片
本软件仅供学习和演示使用,对用户直接引用代码所带来的风险或后果不承担任何法律责任。
***************************************************************/
#include "lib_iap.h"
/*************************************************
* @brief IAP 页擦除编程.回调固化在ROM中的程序
* @param address: 页首地址
* @retval None
***********************************************/
ErrorStatus IAP_PageErase(uint32_t address)
{
IAP_PE IAPPageErase = (IAP_PE)(*(uint32_t *)IAP_PageErase_addr);
ErrorStatus result;
__ASM("CPSID i");
result = (*IAPPageErase)(address);
__ASM("CPSIE i");
return result;
}
/*************************************************
* @brief IAP 单字自编程.回调固化在ROM中的程序
* @param address: 编程首地址
* @param data: 编程数据
* @retval None
************************************************/
ErrorStatus IAP_WordProgram(uint32_t address, uint32_t data)
{
IAP_WP IAPWordProgram = (IAP_WP)(*(uint32_t *)IAP_WordProgram_addr);
ErrorStatus result;
__ASM("CPSID i");
result = (*IAPWordProgram)( address, data);
__ASM("CPSIE i");
return result;
}
/************************************************
* @brief IAP 多字自编程.回调固化在ROM中的程序
* @param address: 编程首地址
* @param data[]: 编程数据
* @param length: 编程数据长度(字节)
* @param address: 编程页是否先擦除
* @arg 0: 不擦除
* @arg 1: 擦除
* @retval None
**********************************************/
ErrorStatus IAP_PageProgram(uint32_t address, uint32_t data[], uint32_t length, uint32_t erase) //@0x100001c5
{
IAP_PP IAPPageProgram = (IAP_PP)(*(uint32_t *)IAP_PageProgram_addr);
ErrorStatus result;
__ASM("CPSID i");
result = (*IAPPageProgram)(address,data,length,erase);
__ASM("CPSIE i");
return result;
}
/*************************************
函数名IARead
描 述Flash读
输入值:内存地址--读取数据的存放地址
Flash地址
读取数据的长度单位为字4字节
返回值:成功/失败
**************************************/
ErrorStatus IAPRead(uint32_t *Ram_Addr, uint32_t Flash_Addr, uint8_t Len)
{
uint8_t i;
uint32_t *ram_addr;
const uint32_t *flash_addr;
ram_addr = Ram_Addr;
flash_addr = (const uint32_t *)Flash_Addr;
if (Len == 0)
return ERROR;
for (i = 0; i < Len; ++i)
{
*ram_addr = *flash_addr;
++ram_addr;
++flash_addr;
}
return SUCCESS;
}
/************************END OF FILE**************************/