iapfun.c

sst89c54 isp program for user

#include "comfun.h"
#include "public.h"
#include "iap.h"


void IAP_WRITE_FLASHf();		//编程数据字节
void IAP_ERASE_BLOCKf();		//擦除块
void IAP_ERASE_SECTORf();		//擦除扇区
void IAP_WRITE_SBITf();		        //编程保密位
void IAP_READ_FLASHf();		        //读器件数据
void PRG_READ_VERSIONf();               //读取BIOS版本号
void PRG_COMM_ENDf();                   //通讯结束
void PRG_DEFAULTf();                //命令非法

/*****************************************/
////////////////////////////////////////////
//编程数据字节
//Buffer[3]=STARTADDRH,
//Buffer[4]=STARTADDRL,
//Buffer[5]=LEN,
//Buffer[6]...=DATA
void IAP_WRITE_FLASHf()
{

        //if(Buffer[3]<0xf0) Status=BurstProgram(Buffer[3],Buffer[4],Buffer[5],Buffer+6);
        if(Buffer[3]<0xf0) Status=WriteProgram(Buffer[3],Buffer[4],Buffer[5],Buffer+6);
        else  Status=ADDR_ERR;
        SendResponse(Status,0,buf);

}
//编程保密位
void IAP_WRITE_SBITf()
{
        Status=ProgSbit();
        SendResponse(Status,0,buf);
}
////////////////////////////////////////////
//读器件数据
//Buffer[3]=STARTADDRH,
//Buffer[4]=STARTADDRL,
//Buffer[5]=LEN,
void IAP_READ_FLASHf()
{
        unsigned char len=Buffer[5];
        if(len<MAXLEN)
        {
                if(Buffer[3]<0xf0)
                {
                        Status=ReadProgram(Buffer[3],Buffer[4],Buffer[5],buf);
                }
                else    Status=ADDR_ERR;
        }
        else    Status=LEN_ERR;
        SendResponse(Status,len,buf);
}
//erase flash block
//Buffer[3]=blockno
void IAP_ERASE_BLOCKf()
{
         if(Buffer[3]==0)
         {
                Status=BlockErase(Buffer[3]);
         }
         else   Status=BLOCKNO_ERR;

         SendResponse(Status,0,buf);
}
//erase flash sector
//Buffer[3]=STARTADDRH,
//Buffer[4]=STARTADDRL,
void IAP_ERASE_SECTORf()
{
        if(Buffer[3]<0xf0)
        {
                Status=SectorErase(Buffer[3],Buffer[4]);
        }
        else    Status=ADDR_ERR;
        SendResponse(Status,0,buf);
}

//read current programe version
void PRG_READ_VERSIONf()
{
        code unsigned char code version[4]="01.0";
        SendResponse(TRUE,4,version);
}

//end of communication
void PRG_COMM_ENDf()
{
        SendResponse(TRUE,0,buf);
}


void PRG_DEFAULTf()      //命令非法
{       Status=COMMAND_ERR;
        SendResponse(Status,0,buf);
}