
Incremental encoder (IRC) processing
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The most demanding part
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IRC signal: 0 – 20 kHz
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Every edge generates an interrupt (up to 80 k interrupts/sec)
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Kernel driver to calculate the position
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Sustainable IRQ frequency up to ≈ 32 kHz
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Further improvement: Use of ARM FIQ
M. Sojka, P. Píša Usable Simulink Embedded Coder Target for Linux RTLWS16 18 / 22
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