The blhost application is used on a host computer to issue commands to an NXP platform running an implementation of the Kinetis bootloader. The blhost application, in conjuction with the Kinetis bootloader, allows a user to program a firmware application onto the Kinetis device without a programming tool.But here has some issues occur when compiling the blhost.
About Blhost in VS
Here has some issues when compiling blhost which make it hard to connect to the bootloader.
Here is the solution.
Open tools menu,and select the options in the red box.
If you operate follow above steps,Blhost could be compiled success .