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223 lines
7.4 KiB
223 lines
7.4 KiB
4 years ago
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////////////////////////////////////////////////////////////////////////////
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///@copyright Copyright (c) 2018, 传控科技 All rights reserved.
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///-------------------------------------------------------------------------
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/// @file msp_eeprom.c
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/// @brief msp @ driver config
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///-------------------------------------------------------------------------
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/// @version 1.0
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/// @author CC
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/// @date 20190106
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/// @note cc_AS_stc02 由stc-isp v6.0860
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//////////////////////////////////////////////////////////////////////////////
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#include "eeprom.h"
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#include "../bsp/bsp_config.h"
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struct eeprom_block_t eep_block;
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#if(TYPE_MCU == TYPE_MCU_STC_8A || TYPE_MCU == TYPE_MCU_STC_8F)
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#define WT_30M 0x80
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#define WT_24M 0x81
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#define WT_20M 0x82
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#define WT_12M 0x83
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#define WT_6M 0x84
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#define WT_3M 0x85
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#define WT_2M 0x86
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#define WT_1M 0x87
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void L0_Iap_Idle()
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{
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IAP_CONTR = 0; //关闭IAP功能
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IAP_CMD = 0; //清除命令寄存器
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IAP_TRIG = 0; //清除触发寄存器
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IAP_ADDRH = 0x80; //将地址设置到非IAP区域
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IAP_ADDRL = 0;
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}
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char L0_Iap_Read(vU16 addr)
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{
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char dat;
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IAP_CONTR = WT_12M; //使能IAP
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IAP_CMD = 1; //设置IAP读命令
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IAP_ADDRL = addr; //设置IAP低地址
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IAP_ADDRH = addr >> 8; //设置IAP高地址
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IAP_TRIG = 0x5a; //写触发命令(0x5a)
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IAP_TRIG = 0xa5; //写触发命令(0xa5)
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_nop_();
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dat = IAP_DATA; //读IAP数据
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L0_Iap_Idle(); //关闭IAP功能
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return dat;
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}
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void L0_Iap_Program(vU16 addr, char dat)
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{
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IAP_CONTR = WT_12M; //使能IAP
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IAP_CMD = 2; //设置IAP写命令
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IAP_ADDRL = addr; //设置IAP低地址
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IAP_ADDRH = addr >> 8; //设置IAP高地址
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IAP_DATA = dat; //写IAP数据
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IAP_TRIG = 0x5a; //写触发命令(0x5a)
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IAP_TRIG = 0xa5; //写触发命令(0xa5)
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_nop_();
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L0_Iap_Idle(); //关闭IAP功能
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}
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///每个扇区512字节
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///指定地址可以为当前扇区内的任意地址，都会完整擦除当前扇区
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void L0_Iap_Erase(vU16 addr)
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{
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IAP_CONTR = WT_12M; //使能IAP
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IAP_CMD = 3; //设置IAP擦除命令
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IAP_ADDRL = addr; //设置IAP低地址
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IAP_ADDRH = addr >> 8; //设置IAP高地址
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IAP_TRIG = 0x5a; //写触发命令(0x5a)
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IAP_TRIG = 0xa5; //写触发命令(0xa5)
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_nop_(); //
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L0_Iap_Idle(); //关闭IAP功能
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}
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#elif (TYPE_MCU == TYPE_MCU_STC_8G || TYPE_MCU == TYPE_MCU_STC_8H)
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void L0_Iap_Idle()
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{
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IAP_CONTR = 0; //关闭IAP功能
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IAP_CMD = 0; //清除命令寄存器
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IAP_TRIG = 0; //清除触发寄存器
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IAP_ADDRH = 0x80; //将地址设置到非IAP区域
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IAP_ADDRL = 0;
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}
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char L0_Iap_Read(vU16 addr)
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{
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char dat;
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IAP_CONTR = 0x80; //使能IAP
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IAP_TPS = 12;
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IAP_CMD = 1; //设置IAP读命令
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IAP_ADDRL = addr; //设置IAP低地址
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IAP_ADDRH = addr >> 8; //设置IAP高地址
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IAP_TRIG = 0x5a; //写触发命令(0x5a)
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IAP_TRIG = 0xa5; //写触发命令(0xa5)
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_nop_();
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dat = IAP_DATA; //读IAP数据
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L0_Iap_Idle(); //关闭IAP功能
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return dat;
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}
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void L0_Iap_Program(vU16 addr, char dat)
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{
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IAP_CONTR = 0x80; //使能IAP
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IAP_TPS = 12; //设置擦除等待参数 12MHz
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IAP_CMD = 2; //设置IAP写命令
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IAP_ADDRL = addr; //设置IAP低地址
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IAP_ADDRH = addr >> 8; //设置IAP高地址
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IAP_DATA = dat; //写IAP数据
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IAP_TRIG = 0x5a; //写触发命令(0x5a)
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IAP_TRIG = 0xa5; //写触发命令(0xa5)
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_nop_();
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L0_Iap_Idle(); //关闭IAP功能
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}
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///每个扇区512字节
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///指定地址可以为当前扇区内的任意地址，都会完整擦除当前扇区
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void L0_Iap_Erase(vU16 addr)
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{
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IAP_CONTR = 0x80; //使能IAP
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IAP_TPS = 12; //设置擦除等待参数 12MHz
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IAP_CMD = 3; //设置IAP擦除命令
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IAP_ADDRL = addr; //设置IAP低地址
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IAP_ADDRH = addr >> 8; //设置IAP高地址
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IAP_TRIG = 0x5a; //写触发命令(0x5a)
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IAP_TRIG = 0xa5; //写触发命令(0xa5)
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_nop_(); //
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L0_Iap_Idle(); //关闭IAP功能
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}
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#endif
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void L0_Iap_Program_array(vU16 addr,U8 *buf,U8 len)
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{
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U8 i = 0;
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for(i=0;i<len;i++)
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{
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L0_Iap_Program(addr + i,buf[i]);
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}
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}
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void L0_Iap_Read_array(vU16 addr,U8 *buf,U8 len)
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{
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U8 i = 0;
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for(i=0;i<len;i++)
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{
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buf[i] = L0_Iap_Read(addr + i);
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}
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}
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//处于节省空间考虑，eeprom读取的数据直接存放到了用户提供的buf中，
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//如果buf长度过小，可能引起内存错误
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U8 L1_eep_read_block(U8 sector, U8 block, U16 blocksize, U8 *buf, U16 *plen)
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{
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U16 i,addr = D_EEP_SECTOR_SIZE * sector + blocksize * block;
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//读取整块
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L0_Iap_Read_array(addr, (U8*)&eep_block, sizeof(eep_block));
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if(eep_block.filter[0] == D_EEP_BLOCK_FILTER0 && eep_block.filter[1] == D_EEP_BLOCK_FILTER1)
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{
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U8 crc[2] = {0,0};
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crc16(crc, eep_block.filter, 2 + 2 + D_EEP_SECTOR_BLOCK_BUF_SIZE);
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if(eep_block.crc[0] == crc[0] && eep_block.crc[1] == crc[1])
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{
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U16 len = (U16)eep_block.len[0] << 8 | eep_block.len[1];
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for(i=0;i<len;i++)
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{
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buf[i] = eep_block.buf[i];
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}
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if(plen != NULL)
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{
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*plen = len;
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}
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L0_uart0_uc('#');
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return 0; //ok
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}
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}
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return 1; //error
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}
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U8 L1_eep_write_block(U8 sector, U8 block, U16 blocksize, const U8 *buf, U16 len, U8 sectorEraseFlag)
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{
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U16 i, addr = D_EEP_SECTOR_SIZE * sector + blocksize * block;
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if(len > D_EEP_SECTOR_BLOCK_BUF_SIZE)
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{
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return 1;
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}
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Lc_memset((U8*)&eep_block,0,sizeof(eep_block));
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eep_block.filter[0] = D_EEP_BLOCK_FILTER0;
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eep_block.filter[1] = D_EEP_BLOCK_FILTER1;
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eep_block.len[0] = len >> 8 & 0xFF;
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eep_block.len[1] = len >> 0 & 0xFF;
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for(i=0;i<len;i++)
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{
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eep_block.buf[i] = buf[i];
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}
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crc16(eep_block.crc, eep_block.filter, 2 + 2 + D_EEP_SECTOR_BLOCK_BUF_SIZE);
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if(sectorEraseFlag == 1)
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{
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L0_Iap_Erase(addr);
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}
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//写入整块
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L0_Iap_Program_array(addr, (U8*)&eep_block, sizeof(eep_block));
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return 0;
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}
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U8 L1_eep_erase_sector(U8 sector)
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{
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U16 addr = D_EEP_SECTOR_SIZE * sector;
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L0_Iap_Erase(addr);
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return 0;
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}
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