Nothing was change; the code must give me readings of sensor, just before I erase the MCU it worked very good.where is the problem? I read it and rewrite it to the same MCU.

Thanks for your reply,Yes this code is for me but unfortunately the source of it was lost and it is so important for me.previously I read a lot of times and every thing was good, today I just read the firmware using ST-Link utility , save it and rewr...