How to create a 7000hz signal from PWM ?

Hi expert, Wants understand how to generate a signal of 7000hz by the pwmout mbed's library, I read a lot of explainations but i can't find a simple sample code with a good explaination. Thanks
ERROR 0

Hi All, I had done the compilation of a code in ARM mbed online compiler, and I didn't understand this error mentioned: Compiler Error 0 ""/extras/mbed_5e5da4a5990b/LPC1768/ARM/LPC1768.sct...
ATF design

Hello All, i need to modify in ATF code, i found the documents in github project but it didn't cover many thing in code, so is anyone have document talk more about ATF design and code ?
Is the Thread standard usable from mbed OS?

I am interested in using Thread networking from mbed OS. Is there an example or starter anywhere which I can try? Can I connect to an Mbed device connector using a Thread network and with an mbed client...
simple design verilog code

I have designed a easy arm core with verilog,but I want to learn more knowledge about how to design an arm pipeline core.Can you give me some advice which book I can read to design a more complex core...