Wanted to use JTAG emulator + Keil5 try online debugging and download the program using a USB serial port until (download), found an error, then compile time corresponding download file cannot be found. Axf (similar to unable to generate a HEX file downloaded to the board on the inside), then check along while information on the Internet, find below the compile error: the runtime error R6002 – floating point support not the loaded; Then began to look up information on the Internet and a variety of methods to solve.