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Hello World

Categories: Embedded C Tutorial

Programming tutorials, as you will notice, always begin with the quintessential “Hello World” program which demonstrates: how to use compilers, the basic usage of the language, and how to use output–essential for seeing if your program is working correctly. The code below is the standard C Hello World program.

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FFT on the ARM Cortex M3

Categories: Embedded Design Tips

The ARM Cortex-M3 combined with a Fast Fourier Transform (FFT) implementation is a powerful, embedded digital signal processing (DSP) solution. The ARM Cortex-M3 is a mid-range microcontroller architecture with clock speeds over 100MHz and a powerful arithmetic logic unit (ALU). The FFT, a useful tool in many DSP applications, utilizes these features enabling the ARM Cortex-M3 to be a suitable replacement for dedicated DSP’s in some embedded applications.

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