I'm working on a project where I'm programming an ARM microchip that acts as the "brains" on a custom board with other off-the-shelf components. In programming the ARM chip, you can program the other hardware components. Since I'm not overly experienced as a programmer, and not very familiar with hardware development, I've got some questions. I've been told that due to the nature of my custom board and what its doing (some high-speed timing stuff), I should use some flavor of RTOS. Now I've also been told that RTOS is not necessary as I can program commands for my components right into the ARM c-code compiler. What's the more correct or better solution? And how does this all fit in with interrupts (and particularly software-interrupts).
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