bathfire
348 lines
9.3 KiB
C
348 lines
9.3 KiB
C
/*C*****************************************************************************
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* NAME: at45db.c
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*-------------------------------------------------------------------------------
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* RELEASE:
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* REVISION: 1.0
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*-------------------------------------------------------------------------------
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* PURPOSE:
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* at45Db驱动。
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*******************************************************************************/
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/*_____ I N C L U D E S ______________________________________________________*/
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#include "config.h" //全局声明
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u8 FlashType = 0;
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F_uniGlobal_Typedef F_uniGlobal;
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#define Data_INIT
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const u8 initATDB45_Flag = 0x38;
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const PREXDATA_Type initPREXDATA = {0,0,0,0,0,0,0,0,0};
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const AT45DBDataIndex AT45DBTab[20] =
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{ ///FRAM数据1区(数据操作相对不频烦)
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/// pInitData; upData pData firstAdr; len; Tpye; //(注意,校验增加在数据包尾)
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{(u8*)&initATDB45_Flag, (u8*)(&buf_ATDB45_Flag), (u8*)(&TXHData.ATDB45_Flag), ATDB45_Flag_FADR, ATDB45_Flag_LEN, ATDB45_Flag_Group, CA_ATDB45_Flag},
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{(u8*)&initATDB45_Flag, (u8*)(&buf_Frame), (u8*)(&TXHData.Frame), Frame_FADR, Frame_LEN, Frame_Group, CA_Frame},
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{(u8*)&initPREXDATA, (u8*)(&buf_PREXDATA), (u8*)(&TXHData.PREXDATA), PREXDATA_FADR, PREXDATA_LEN, PREXDATA_Group, CA_PREXDATA},
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{(u8*)&initATDB45_Flag, (u8*)(&buf_DeviceFrame), (u8*)(&TXHData.Frame), DeviceFrame_FADR, DeviceFrame_LEN, DeviceFrame_Group, CA_DeviceFrame},
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};
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////==============================================================================
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/**
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* @brief 对指定长度的数据区域进行校验和计算
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*
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* @param pData 指向数据区域的指针
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* @param len 数据区域的长度
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* @return u8 返回校验和结果
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*/
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u8 AT45DBDataCheck(volatile u8* pData, u16 len)
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{
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u8 result; // 校验和变量
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result = *pData; // 初始化为第一个字节的值
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while(len--)
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{
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result += *pData++; // 累加每个字节的值
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}
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return result; // 返回校验和结果
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}
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/****************************************************
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函数名：AT45DB_SendByte
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功能 ：Flash存储部分用到的SPI发送函数
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参数 ：dt 要发送的数据
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返回值：无
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****************************************************/
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u8 AT45DB_SendByte(u8 dt)
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{
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while(SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET);
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SPI_I2S_SendData(SPI1, dt);
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while(SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE) == RESET);
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return SPI_I2S_ReceiveData(SPI1);
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}
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//F*****************************************************************************
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//* NAME: ReadDFStatus
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//*-----------------------------------------------------------------------------
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//* PURPOSE:
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//* 读取45db状态
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//*-----------------------------------------------------------------------------
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//* PARAMS:
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//* return: 如果返回值等0,说明驱动器错误
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//*-----------------------------------------------------------------------------
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//* NOTE:
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//******************************************************************************
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u8 ReadDFStatus (void)
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{
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u8 result;
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CLI();
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AT45DB_CS_EN;
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AT45DB_SendByte(0xd7);
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result = AT45DB_SendByte(0xff);//要读两次，不然要加10ms延时，暂时不知道为什么
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//delay_ms(10);
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AT45DB_CS_DIS;
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SEI();
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return result;
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}
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//F*****************************************************************************
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//* NAME: ReadDriverID
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//*-----------------------------------------------------------------------------
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//* PURPOSE:
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//* 读取45dbID 判断存储器类型
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//*-----------------------------------------------------------------------------
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//* PARAMS:
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//* return: Drive ID(Byte 1)Family Code Density Code
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// 0 0 1((AT45D) 0 0 1 0 0 (4-Mbit)
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// 0 0 1((AT45D) 0 0 1 1 1 (32-Mbit)
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//*-----------------------------------------------------------------------------
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//* NOTE:
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//******************************************************************************
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u16 ii = 0;
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u8 resultF = 0;
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u8 ReadDriverID (void)
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{
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CLI();
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for(ii = 0;ii < 200;ii ++)
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{
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if(ReadDFStatus() & 0x80)
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break;
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delay_ms(1);
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}
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if(ii < 200)
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{
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AT45DB_CS_EN;
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AT45DB_SendByte(0x9F);
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AT45DB_SendByte(0xFF);
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resultF = AT45DB_SendByte(0xFF);
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AT45DB_CS_DIS;
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SEI();
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return resultF;
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}
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SEI();
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return 0;
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}
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u8 AT45DB_SetPageByte (void)
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{
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CLI();
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for(ii = 0;ii < 200;ii ++)
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{
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if(ReadDFStatus() & 0x80)
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break;
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delay_ms(1);
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}
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if(ii < 200)
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{
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AT45DB_CS_EN;
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AT45DB_SendByte(0x3D);
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AT45DB_SendByte(0x2A);
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AT45DB_SendByte(0x80);
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AT45DB_SendByte(0xA7);//A6:512;A7:528
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AT45DB_CS_DIS;
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SEI();
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return 1;
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}
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SEI();
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return 0;
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}
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u8 AT45DB_WriteBuff(u8 *Buff,u16 Len)
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{
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u16 i = 0;
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CLI();
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for(ii = 0;ii < 200;ii ++)
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{
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if(ReadDFStatus() & 0x80)
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break;
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delay_ms(1);
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}
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if(ii < 200)
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{
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AT45DB_CS_EN;
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AT45DB_SendByte(0x84);
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AT45DB_SendByte(0x00);
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AT45DB_SendByte(0x00);
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AT45DB_SendByte(0x00);
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for(i = 0;i < Len;i ++)
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AT45DB_SendByte(*(Buff + i));
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AT45DB_CS_DIS;
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SEI();
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return 1;
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}
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SEI();
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return 0;
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}
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u8 AT45DB_WritePage(u8 *Buff,u16 Page,u16 Len)//len = 10,79us
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{
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CLI();
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if(AT45DB_WriteBuff(Buff,Len) == 0)
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return 0;
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for(ii = 0;ii < 200;ii ++)
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{
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if(ReadDFStatus() & 0x80)
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break;
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delay_ms(1);
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}
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if(ii < 200)
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{
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AT45DB_CS_EN;
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AT45DB_SendByte(0x83);
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AT45DB_SendByte((u8)(Page >> 6));
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AT45DB_SendByte((u8)(Page << 2));
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AT45DB_SendByte(0x00);
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AT45DB_CS_DIS;
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SEI();
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return 1;
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}
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SEI();
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return 0;
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}
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u8 AT45DB_ReadPage(u8 *Buff,u16 Page,u16 Len)//len = 10,75us
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{
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u16 i = 0;
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CLI();
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for(ii = 0;ii < 200;ii ++)
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{
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if(ReadDFStatus() & 0x80)
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break;
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delay_ms(1);
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}
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if(ii < 200)
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{
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AT45DB_CS_EN;
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AT45DB_SendByte(0xE8);
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AT45DB_SendByte((u8)(Page >> 6));
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AT45DB_SendByte((u8)(Page << 2));
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AT45DB_SendByte(0x00);
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for(i = 0;i < 4;i ++)
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AT45DB_SendByte(0x00);
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for(i = 0;i < Len;i ++)
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*(Buff + i) = AT45DB_SendByte(0xff);
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AT45DB_CS_DIS;
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SEI();
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return 1;
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}
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SEI();
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return 0;
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}
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void AT45DB_Data_Init(void)
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{
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volatile u16 i = 0,j = 0,Item = 0;
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u8 Temp_Buff[660];
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u8 Temp = 0;
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for(Item = 0;Item< FramItemEnd;Item ++)
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{
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for(i = 0;i < AT45DBTab[Item].Group;i ++)
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{
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for(j = 0;j < AT45DBTab[Item].len - checkLen_1;j ++)
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Temp_Buff[j] = *(AT45DBTab[Item].upData + j) = *(AT45DBTab[Item].pInitData+j);
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Temp_Buff[AT45DBTab[Item].len - checkLen_1] = AT45DBDataCheck(Temp_Buff,AT45DBTab[Item].len - checkLen_1);
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AT45DB_WritePage(Temp_Buff,AT45DBTab[Item].firstAdr + i,AT45DBTab[Item].len);
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}
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}
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// __set_FAULTMASK(1);
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// NVIC_SystemReset();
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}
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u8 AT45DBItemWrite(AT45DBItem Type, u16 Group)
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{
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u16 i = 0,j = 0,k = 0;
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u8 Temp_Buff[660];
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u8 Temp = 0;
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if(Group >= AT45DBTab[Type].Group)
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return 0;
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for(i = 0;i < AT45DBTab[Type].len - checkLen_1;i ++)
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{
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*(AT45DBTab[Type].upData + i) = *(AT45DBTab[Type].pData + i);
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Temp_Buff[i] = *(AT45DBTab[Type].upData + i);
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}
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Temp_Buff[AT45DBTab[Type].len - checkLen_1] = AT45DBDataCheck(Temp_Buff,AT45DBTab[Type].len - checkLen_1);
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for(j = 0;j < 6;j ++)
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{
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AT45DB_WritePage(Temp_Buff,AT45DBTab[Type].firstAdr + Group,AT45DBTab[Type].len);
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if(AT45DBItemRead(Type,Group) == 1)
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{
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return 1;
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}
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delay_ms(100);
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}
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// TXHData.ErrState.Flag.e_errFlashParameter = 1;
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return 0;
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}
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u8 CRCTemp = 0;
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u8 AT45DBItemRead(AT45DBItem Type, u16 Group)
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{
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volatile u16 i = 0,j = 0;
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u8 Temp_Buff[660];
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u8 Temp_Buff1[660];
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u8 CRCTemp1 = 0;
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if(Group >= AT45DBTab[Type].Group)
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return 0;
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for(j = 0;j < 6;j ++)
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{
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AT45DB_ReadPage(FuniGlobal.Global,AT45DBTab[Type].firstAdr + Group,AT45DBTab[Type].len);
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for(i = 0;i < AT45DBTab[Type].len;i ++)
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*(Temp_Buff+i) = *(AT45DBTab[Type].upData+i);
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CRCTemp = AT45DBDataCheck(Temp_Buff,AT45DBTab[Type].len - checkLen_1);
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if(CRCTemp == Temp_Buff[AT45DBTab[Type].len - checkLen_1])
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{
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for(i = 0;i < AT45DBTab[Type].len - checkLen_1;i ++)
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*(AT45DBTab[Type].pData+i) = *(AT45DBTab[Type].upData+i);
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return 1;
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}
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delay_ms(100);
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}
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// pGun.ErrState.Flag.e_errFlashParameter = 1;
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return 0;
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}
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u8 ExChangeByte(u8 data)
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{
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u8 Temp = 0;
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Temp = data;
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data = (Temp >> 4) | (Temp << 4);
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return data;
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}
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u8 NotByte(u8 data)
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{
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if(data == 0 || data == 0xff)
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return data;
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else
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return ~data;
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}
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void AT45DB_Init(void)
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{
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volatile u16 Frame = 0;
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u8* pBuff;
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u8 Temp_Buff[660];
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FlashType = ReadDriverID();
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AT45DB_SetPageByte();
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switch(FlashType)
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{
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case 0x24: TXHData.ATDB45Type = At45DB041;break;
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case 0x27: TXHData.ATDB45Type = At45DB321;break;
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case 0x28: TXHData.ATDB45Type = At45DB641;break;
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}
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// if(SWF8 == SWF_ON)
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// {
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// if(TXHData.ATDB45Type >= At45DB321)
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// {
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// for(Frame = 0;Frame < 1024;Frame ++)
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// {
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// ReadFlashNx512Btye(&TXHData.Frame[0],FLASH_APP_ADDR + Frame *512);
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// switch(Frame%8)
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// {
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// case 0:TXHData.Frame[2] = ExChangeByte(TXHData.Frame[2]);
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// TXHData.Frame[54] = NotByte(TXHData.Frame[54]);
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// TXHData.Frame[288] = ExChangeByte(TXHData.Frame[288]);GPIO_SetBits(GPIOE,GPIO_Pin_2);break;
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// case 1:TXHData.Frame[469] = NotByte(TXHData.Frame[469]);break;
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// case 2:TXHData.Frame[104] = ExChangeByte(TXHData.Frame[104]);break;
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// case 3:break;
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// case 4:TXHData.Frame[0] = NotByte(TXHData.Frame[0]);break;
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// case 5:TXHData.Frame[253] = ExChangeByte(TXHData.Frame[253]);GPIO_ResetBits(GPIOE,GPIO_Pin_2);break;
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// }
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// AT45DBItemWrite(CA_Frame,Frame + (TXHData.ROM_UpData.ROM_UpData_State.RomAddrNow * 1024));
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// }
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// }
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// }
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}
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