To use ARM mbed online compiler you have to register with Developer section of ARM mbed I will show the step of registration and online compilation of code.
ARM mbed go ti this link and signup for compiler: https://os.mbed.com/accounts/login/?next=%2Fcompiler%2F
after login this is your view.
now you have to choose your development board in right corner of screen.
now we to make a new file by clicking on left corner new file button.select your device and click ok
now you can write your code the API for mbed can be viewed by clicking on left side of the icon of the mbed os.
when you complete your code you can compile it here and it will download a .bin file to your pc.
Thank you
ARM mbed go ti this link and signup for compiler: https://os.mbed.com/accounts/login/?next=%2Fcompiler%2F
after login this is your view.
now you have to choose your development board in right corner of screen.
now we to make a new file by clicking on left corner new file button.select your device and click ok
now you can write your code the API for mbed can be viewed by clicking on left side of the icon of the mbed os.
when you complete your code you can compile it here and it will download a .bin file to your pc.
Connect your development board with Pc which is recognized as Mass storage device now Just copy the .bin file to the development board drive and reset the development board and the code is running now.
Thank you