Please check in project -> Build Settings -> Linker
Use newlib nano TRUE
Use newlib-nano Float Formatting TRUE
Then a sprintf(Buffer,"%f",3.1416") should work
These might help -
http://www.cypress.com/?id=4&rID=87354 nano library enable
The heap and stack size were reduced in 3.1, try restoring to 3.0 levels 4K and 16K respectively.
3.1 default settings are now 128 bytes and 2K. (depends on part used)
System tab in xxxxx*.cydwr file, workspace explorer near the top.
First, thank you very much for your help.
troubleshoot by following the instructions
but unfortunately I have not managed to solve.
creator am using 3.0 connection while not cuante with this problem.
Post you project.
Also consider updating Creator to 3.2 SP3, many bug fixes and
enhancements since your version.
Consider posting your project, makes life easier to troubleshoot.
“Create Workspace Bundle”