test for git assum unchanged
delete file fot testing git assum unchanged
three changes: macro of STM32F10X_HD to STM32F10X_MD; flash map to 128KB, *HD.s to *MD.s
basic functions compeleted and this version is syncs from JinShan Kuaipan
self check function was added and 0101 for forward first and 1010 for backward first--synced from Hasee by KuaiPan