@echo off
ECHO Add CRC16  At the end of the document
ECHO -------------------------------------

SET SREC_PATH=D:\Keil_v5\SREC

for /f %%i in ('dir /s /b .\Objects\bin.bin') do ( 
set indexdx=%%~zi
)

ECHO --- size= %indexdx% Byte----

ECHO %SREC_PATH%\srec_cat.exe .\Objects\bin.bin -Binary -crop 0 %indexdx% -CRC16_Big_Endian %indexdx% -XMODEM -o .\Objects\bin_crc.bin -Binary
%SREC_PATH%\srec_cat.exe .\Objects\bin.bin -Binary -crop 0 %indexdx% -CRC16_Big_Endian %indexdx% -XMODEM -o .\Objects\bin_crc.bin -Binary