trex romok 这指令做何用途??

ken888 · 发表于 2012-11-2 16:24:13

trex romok 这指令做何用途??
---

COMMAND ROMOK
ULcl uvfHandle
ULcl uvfSize
ULcl bcount
stack lba
Vscon
FileOpenMod ORdOnly | OBinary
getstr szfilename, "flash.bin"
uvfHandle = FileOpen szfilename
if (FileErrNo != 0)
         // File not found
      printf "\nflash.bin not found!"
      GoTo ALLDONE
   else
         printf "\n\nLoading flash.bin from File, %s", szFileName
         uvfSize= FileSize szfilename
         ResizeWbfr uvfSize
         FileRead uvfHandle, uvfSize, wbfr
         if (FileErrNo == 0)
            printf "\nStarting the download"
            b=1 //This is 256 blks of data, 128k
         rfeat=0
         rsecn=1
         rsecc=0
         rcyll=0
         rcylh=0
         cmd 0x92

         // Init local count
         bcount=0

         // Xfer data
         while(bcount< uvfSize)
               WB WBFR:bcount
            bcount+=0x200
         ewhile

         // Wait for busy to clear
         waitb

            if (rstat bitclr 0)
               printf "\nflash.bin loaded : %s",szfilename
            printf "\nFlash programming complete."
            eif
         else
            printf "\n File Read Failed. Error No. = 0x%04X",FileErrNo
         eif

         FileClose uvfHandle    // Close file

   elseif (FileErrNo == feNOENT)
         printf "\n File %s not found.",szfilename
   else
         printf "\n File Open Failed. Error No. = 0x%04X",FileErrNo
   eif
ALLDONE:
printf "\n\nALL Done."
lba stack
rtf
Ecommand